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测电笔的种类有哪些

2023-08-23 15:43:04
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cloud123

摘要:测电笔是广大电工经常使用的工具之一,用来判别物体是否带电。测电笔除了可以判断物体是否带电外,测电笔有什么用途呢?还可以用来区别直流电和交流电;区别火线和零线;判断直流电的正、负极;判断零线断路情况等等。那么测电笔的种类有哪些?下面一起来详细了解一下测电笔的主要分类及用途吧。一、测电笔有什么用途

1、用来判别物体是否带电。它的内部构造是一只有两个电极的灯泡,泡内充有氖气,俗称氖泡,它的一极接到笔尖,另一极串联一只高电阻后接到笔的另一端。当氖泡的两极间电压达到一定值时,两极间便产生辉光,辉光强弱与两极间电压成正比。当带电体对地电压大于氖泡起始的辉光电压,而将测电笔的笔尖端接触它时,另一端则通过人体接地,所以测电笔会发光。测电笔中电阻的作用是用来限制流过人体的电流,以免发生危险。

2、可以用来进行低压核相,测量线路中任何导线之间是否同相或异相。具体方法是:站在一个与大地绝缘的物体上,双手各执一支测电笔,然后在待测的两根导线上进行测试,如果两根测电笔发光很亮,则这两根导线为异相;反之,则为同相,它是利用测电笔中氖泡两极间电压差值与其发光强弱成正比的原理来进行判别的。

3、可以用来判别交流电和直流电。在用测电笔进行测试时,如果测电笔氖泡中的两个极都发光,就是交流电;如果两个极中只有一个极发光,则是直流电。

4、可以判断直流电的正、负极。将测电笔接在直流电路中测试,氖泡发亮的那一极就是正极,不发亮的一极是负极。

5、可用来判断直流是否接地。在对地绝缘的直流系统中,可站在地上用测电笔接触直流系统中的正极或负极,如果测电笔氖泡不亮,则没有接地现象。如果氖泡发亮,则说明有接地现象,其发亮如在笔尖端,则说明为正极接地。如发亮在手指端,则为负极接地。但是必须指出的是在带有接地监察继电器的直流系统中,不可采用此方法判断直流系统是否发生接地。

二、测电笔的种类有哪些

1、按照测量电压的高低分

高压测电笔:用于10kv及以上项目作业时用,为电工的日常检测用具;

低压测电笔:用于线电压500V及以下项目的带电体检测。

弱电测电笔:用于电子产品的测试,一般测试电压为6v--24v.为了便于使用,电笔尾部常带有一根带夹子的引出导线。

2、按照接触方式分

接触式试电笔:通过接触带电体,获得电信号的检测工具。通常形状有一字螺丝刀式,兼试电笔和一字螺丝刀用;钢笔式,直接在液晶窗口显示测量数据。

感应式试电笔:采用感应式测试,无需物理接触,可检查控制线、导体和插座上的电压或沿导线检查断路位置。可以极大限度地保障检测人员的人身安全。

3、氖管式测电笔

氖管式测电笔又称电笔,用来检验导线、电器和电气设备的金属外壳是否带电。这种电笔分为笔式和螺丝刀式两种形式。

4、数显式测电笔

数显式测电笔又称为感应式测电笔。这种电笔不仅可以测试物体是否带电,还能显示出大致的电压范围。有些数显式测电笔可以检验出绝缘导线断线位置。

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2023-08-16 03:07:101

测电笔怎么使用

摘要:测电笔也叫试电笔,是一种电工工具,用来测试电线中是否带电。笔体中有一氖泡,测试时如果氖泡发光,说明导线有电或为通路的火线。测电笔怎么使用呢?测电笔有哪些使用注意事项?接下来就和小编一起来了解一下测电笔的使用方法及注意事项吧。测电笔的使用方法1、判定交流电和直流电口诀:电笔判定交直流,交流明亮直流暗,交流氖管通身亮,直流氖管亮一端。说明:首先告知读者一点,使用低压验电笔之前,必须在已确认的带电体上验测;在未确认验电笔正常之前,不得使用。判别交、直流电时,最好在“两电”之间作比较,这样就很明显。测交流电时氖管两端同时发亮,测直流电时氖管里只有一端极发亮。2、判定直流电正负极口诀:电笔判定正负极,观察氖管要心细,前端明亮是负极,后端明亮为正极。说明:氖管的前端指测电笔笔尖一端,氖管后端指手握的一端,前端明亮为负极,反之为正极。测试时要注重:电源电压为110V及以上;若人和大地绝缘,一只手摸电源任一极,另一只手持测电笔,电笔金属头触及被测电源另一极,氖管前端极发亮,所测触的电源是负极;若是氖管的后端极发亮,所测触的电源是正极,这是根据直流单向流动和电子由负极向正极流动的原理。3、判定直流电源有无接地和正负极接地的区别口诀:变电所直流系数,电笔触及不发亮;若亮靠近笔尖端,正极有接地故障;若亮靠近手指端,接地故障在负极。说明:发电厂和变电所的直流系数,是对地绝缘的,人站在地上,用验电笔去触及正极或负极,氖管是不应当发亮的,假如发亮,则说明直流系统有接地现象;假如发亮在靠近笔尖的一端,则是正极接地;假如发亮在靠近手指的一端,则是负极接地。4、判定同相和异相口诀:判定两线相同异,两手各持一支笔,两脚和地相绝缘,两笔各触一要线,用眼观看一支笔,不亮同相亮为异。说明:此项测试时,切记两脚和地必须绝缘。因为我国大部分是380/220V供电,且变压器普遍采用中性点直接接地,所以做测试时,人体和大地之间一定要绝缘,避免构成回路,以免误判定;测试时,两笔亮和不亮显示一样,故只看一支则可。5、判定380/220V三相三线制供电线路相线接地故障口诀:星形接法三相线,电笔触及两根亮,剩余一根亮度弱,该相导线已接地;若是几乎不见亮,金属接地有故障。说明:电力变压器的二次侧一般都接成Y形,在中性点不接地的三相三线制系统中,用验电笔触及三根相线时,有两根比通常稍亮,而另一根上的亮度要弱一些,则表示这根亮度弱的相线有接地现象,但还不太严重;假如两根很亮,而剩余一根几乎看不见亮,则是这根相线有金属接地故障。测电笔的使用注意事项1、使用试电笔之前,首先要检查试电笔里有无安全电阻,再直观检查试电笔是否有损坏,有无受潮或进水,检查合格后才能使用。2、使用试电笔时,不能用手触及试电笔前端的金属探头,这样做会造成人身触电事故。3、使用试电笔时,一定要用手触及试电笔尾端的金属部分,否则,因带电体、试电笔、人体和大地没有形成回路,试电笔中的氖泡不会发光,造成误判,认为带电体不带电,这是十分危险的。4、在测量电气设备是否带电之前,先要找一个已知电源测一测试电笔的氖泡能否正常发光,能正常发光,才能使用。5、在明亮的光线下测试带电体时,应特别注意氖泡是否真的发光(或不发光),必要时可用另一只手遮挡光线仔细判别。千万不要造成误判,将氖泡发光判断为不发光,而将有电判断为无电。
2023-08-16 03:07:201

用电笔测火线时电笔亮测零线不亮但是电灯不亮为什么

火线和零线之间接入灯泡后,此时用电笔测火线端电笔带电这是因为电笔的一端是接电位高的火线,另一端是通过人接地,这时在电笔的两端就形成了一个电位差所以电笔就会发光也就是火线带电。灯泡亮时零线上肯定也有电流通过,只是电流通过用电器后已经有了一个电位降落,也就是零线上的电位和大地的电位是相等的,此时电笔的一端接零线一端接人体,而零线上的电位和人体的电位是一样的或者说没有电位差所以测电笔就不会发光。
2023-08-16 03:07:323

非接触式电笔原理是什么,为什么靠近就会亮和发出声响?

非接触式电笔用一个工字电感当做天线,几个三级管组合做为放大器电路。电感的一端接三极管 的b极,另一端悬空,当将电感靠近火线时感应出微弱的电流,经三极管一级级放大后点亮LED和让蜂鸣器 发声,从而判断出零火线。非接触式电笔采用感应式测试,无需物理接触,可检查控制线、导体和插座上的电压或沿导线检查断路位置。可以极大限度地保障检测人员的人身安全。使用试电笔 时,一定要用手触及试电笔尾端的金属部分,否则,因带电体、试电笔、人体与大地没有形成回路,试电笔中的氖泡不会发光,造成误判,认为带电体不带电。扩展资料:用途1、可以用来进行低压核相,测量线路中任何导线之间是否同相或异相。2、可以用来判别交流电 和直流电。在用测电笔进行测试时,如果测电笔氖泡中的两个极都发光,就是交流电;如果两个极中只有一个极发光,则是直流电。3、可以判断直流电的正、负极。将测电笔接在直流电路中测试,氖泡发亮的那一极就是负极,不发亮的一极是正极。4、可用来判断直流是否接地。在对地绝缘的直流系统中,可站在地上用测电笔接触直流系统中的正极或负极,如果测电笔氖泡不亮,则没有接地现象。如果氖泡发亮,则说明有接地现象,其发亮如在笔尖端,则说明为正极接地。
2023-08-16 03:07:541

用电笔测火线时电笔亮测零线不亮但是电灯不亮为什么

测电笔的原理(供你参考): 1、欧姆定律:I=U/R; 2、串联电路的总电阻关系式:R=R1+R2; 3、测电笔的构造及其特点. 具体说明如下: A、当测电笔去检测某一导体是火线还是零线时,通过测电笔的电流(也就是通过人体的电流)I=加在测电笔和人体两端的总电压U,除以(/相当于分数线)测电笔和人体两端的总电阻R. B、测火线时,照明电路,火线与地之间有电压U=220V左右,人体电阻一般很小,通常只有几百到几千欧姆,而测电笔内部的电阻通常有几兆欧左右,通过测电笔的电流(也就是通过人体的电流)很小,通常不到1毫安,这样小的电流通过人体时,对人没有伤害,而这样小的电流通过测电笔的氖泡时,氖泡会发光. C、测零线时,U=0,I=0,也就是没有电流通过测电笔的氖泡,氖泡当然不发光。这样我们可以根据氖泡是否发光判断火线还是零线. 几兆欧左右 通常不到1毫安
2023-08-16 03:08:031

测电笔可以测电流的正负极吗?

能的,测电笔(万用表)测电流时和电流表是一个原理。
2023-08-16 03:08:161

感应式验电笔原理是什么

感应式验电笔是一种用来检测电气设备电压的工具。它通常包含一个感应式电压检测器,可以用来检测相应的电压水平。当感应式验电笔接触到带电的电气设备时,它会发出声音或显示一个指示灯,表示它检测到了电压。感应式验电笔的工作原理基于电磁感应。当感应式验电笔接触到带电的电气设备时,它会产生一个电磁场。这个电磁场会影响感应式验电笔内部的线圈,导致线圈产生电流。这个电流可以用来激活感应式验电笔内部的电路,从而产生声音或显示指示灯。感应式验电笔是一种非常方便的工具,可以快速、安全地检测电气设备的电压。它对于电工和电气维修人员来说非常实用,能够帮助他们更快地完成工作并避免危险。
2023-08-16 03:08:241

数显电笔测通断的工作原理是什么?

数显电笔测通断,原理非常简单,数显电笔是一个高灵敏的电孑开关,微弱的信号通过几级放大,触发电孑开关工作,达到显示功能。
2023-08-16 03:08:451

电笔原理。说说如何回路的怎么行程回路的,人与大地又怎么能形成回路

电笔是用笔头将电信号接入,经高值电阻降压,在通过氖管发光指示是否有电,再通过尾端的金属部分与人体相连,并通过人体流入大地。因为我们人体也是一个电的导体,所以电流就能通过我们人体与大地相通了。
2023-08-16 03:08:531

耶鲁大学网址

http://www.yale.edu/
2023-08-16 03:09:352

美国高中留学个人陈述模板英文

  美国高中留学,一篇好的个人陈述,可以吸引招生老师的眼球,让他们迅速了解到你,发现你的特长和独特之处,从而提高你的录取成功率。接下来,我为大家带来了美国高中留学个人陈述模板,希望对大家有所帮助:   01、范文一:   “Life beats down and crushes the soul and art reminds you that you have one” Stella Adler.   Where the line of normalcy is shaped differently in the eyes of artists, as everything is relative, there exists the freedom that only artists can create – the space, colour and texture on which that line of normalcy lies, in order to make it one at all.   To extent my egomania is an honest tool of my style, it is in need of elaboration and solidifying within the disciplines and professionalisms in studying art at college.   As an AS Psychology student, I learnt that the perception of stress is relative “ where I find the paranoia of my reality stressful, it is much of my escape that I share with many others to spend time doing Art & Design (currently at A2) in free-periods and after school to produce more research, drawings, developed experiments and final pieces, from my C at GCSE to an A for AS. I am also predicted an A for A2. This drive came from a particular experience, which I"d rather not speak of.   More relevantly, I am experienced in etching and print-press, collagraph, photography, life sketches, multi-media and Photoshop. I have used a range of materials in previous artworks: works on canvas, and acrylic, installations, multi-media works and film editing, of which I am able to use iMovie and Cyberlink Power Director and have competent use of, as I take a personal interest in film-making.   I have also voluntarily produced and edited advertisement films for 2 competing business studies classes where I was able to help creatively and equally, providing that it was their own equipment and concept.   In studying English (Lit./Lang.) the analytical aspects have helped aquired the appropriate information behind concept. As an aspiring poet, I have contributed poems of my own to the school"s English Literature Magazine (of students works) and have written for the 6th Form monthly Newsletter, ‘Rant N Rave, for which I have written poetry and articles. I have also dispersed these creative energies in Music Technology. At the Dubai 92.0 FM Radio Station, I was able to take a glimpse into the radio industry, as well as accompany the radio-jockey ‘Catboy" on air. As there were 2 other students, we organized play lists; part of the job was to understand the business aspect of airtime. In May 07, I was given the opportunity to work-shadow a General Planning Manager, involving the planning of layouts and structures of building shopping malls for Majid Al Futtaim, Dubai. This helped me realize the importance of relation between physical demands of construction and planning.   I have obtained certificates and commendation letters, project certificates, best advertisement for Shakespeare"s 12 Night Play (playing one of the main characters roles as "Maria"), intermediate snowboarding, skiing, and have achieved the Duke of Edinburgh Bronze.   As I have lived in and travelled countries from Malaysia to Switzerland, France to Saudi Arabia, I have more cause to find a universal message that not only makes us appreciate diversity, but unifies us as human beings. From a Marxist perspective, I deliberately refuse to accept the pyramid of our society. This is simply one constant idea and philosophy that even disturbs my sleep.   Fully aware of the competition that goes on in the media industry, with my competitive and somewhat cynical characteristic; I am able to critically self-evaluate which forces me to better myself constantly improving my skills and techniques, adhering to the business aspects as well. Taking first year studies or foundation art would help me explore more skill which I am capable in a more professional and disciplined manner as well as improve specified research work.   My aspirations are based on my persistency, enabling me to work adaptively in the art business. I may work towards the Visual Communication, Painting, Intermedia art or Illustration, not sufficed to say the least, and followed entry into Second Year Studies to define my Specialism.
2023-08-16 03:09:351

3d眼镜是什么原理

通过电视分离左右影像后同时送往眼镜,通过眼镜的过滤,把分离左右影像后送到各个眼睛,大脑再把这两个影像合成让人感受3D立体感。通过对亮度,清晰度的优化升级做到了3D不闪烁。眼镜佩戴轻便,不那么昂贵。3D眼镜采用了当今最先进的时分法,通过3D眼镜与显示器同步的信号来实现。当显示器输出左眼图像时,左眼镜片为透光状态,而右眼为不透光状态。在显示器输出右眼图像时,右眼镜片透光而左眼不透光,这样两只眼镜就看到了不同的游戏画面,达到欺骗眼睛的目的。立体技术以这样地频繁切换来使双眼分别获得有细微差别的图像,经过大脑计算从而生成一幅3D立体图像。3D眼镜在设计上采用了精良的光学部件,与被动式眼镜相比,可实现每一只眼睛双倍分辨率以及很宽的视角。色差式可以称为分色立体成像技术,是用两台不同视角上拍摄的影像,分别以两种不同的颜色印制在同一副画面中。用肉眼观看的话会呈现模糊的重影图像,只有通过对应的红蓝等立体眼镜,才可以看到立体效果。就是对色彩进行红色和蓝色的过滤,红色的影像通过红色镜片蓝色通过蓝色镜片。两只眼睛看到的不同影像,在大脑中重叠呈现出3D立体效果。
2023-08-16 03:09:361

功夫不负有心人的意思是什么?

意思是:只要有决心,肯下功夫,是不会辜负人的。一般用作成语时可以用:皇天不负有心人来表示。相关成语:皇天不负有心人[成语解释]上天不会辜负有恒心的人。[典故出处]梁启超《新罗马·侠感》:“自古道皇天不负有心人。”译文:自古就说上天不会辜负有恒心的人。[近义词]锲而不舍[常用程度]常用[感情色彩]褒义词[语法用法]作宾语;含褒义[成语结构]主谓式[产生年代]近代扩展资料:近义词:锲而不舍[成语解释]锲:镂刻;舍:停止。不断地镂刻。比喻有恒心,有毅力。[典故出处]章炳麟《菌说》:夫固谓一人锲而不舍。译文:所以就说一个人只要不断地镂刻。[近义词]坚持不懈、坚韧不拔[反义词]半途而废、知难而退[常用程度]常用[感情色彩]褒义词[语法用法]作谓语、定语、状语;含褒义[成语结构]偏正式[产生年代]古代
2023-08-16 03:09:401

yolo代表什么爱情含义?

yolo的寓意是人应该享受人生,即使需要承担风险。就是鼓励人们不怕冒险,想做什么就做什么,享受人生,因为只会活一次。
2023-08-16 03:09:413

新买了个 西部数据 500G的移动硬盘 官网英文看不懂 p/n:wdbabv5000abk-00 S/N:wx21a21p0449 谢谢

人格风格的风格
2023-08-16 03:09:424

初中物理电动机原理

电动机:通电导体在磁场中受力发电机:电磁感应
2023-08-16 03:09:473

形容功夫不负有心人的诗句

1. 关于功夫不负人的诗句(描写功夫不负有心人的古诗) 关于功夫不负人的诗句(描写功夫不负有心人的古诗) 1.描写功夫不负有心人的古诗 凿不休则沟深,斧不止则薪多 斧子也能磨得像剃刀 只要功夫深,铁杵也能磨成针 世上无难事,只怕有心人 有心打石石成针,无心打石石成痕 世上无难事,只要肯登攀 有志者事竟成 工不枉人,地不亏人 莫嫌天涯海角远,但肯摇鞭有到时 呕心泣血流大汗,功到迟早成效见 拼得工夫深,铁杵磨成针 千锤成利器,百炼变纯钢 宝剑锋从磨砺出,梅花香自苦寒来 2.功夫不负有心人 相近的成语或诗句 有志者,事竟成;破釜沉舟,百二秦关终归楚; 苦心人,天不负;卧薪尝胆,三千越甲可吞吴。 锲而不舍,金石可镂 滴水穿石 只要工夫深,铁杵磨成针 君子曰:学不可以已。青,取之于蓝,而青于蓝;冰,水为之,而寒于水。 木 直中绳,揉以为轮,其曲中规,虽有槁暴,不复挺者,〔车柔〕使之然也。故木受 绳则直,金就砾则利。 君子博学而日参省乎己,则知明而行无过矣。故不登高山,不知天之高也;不临深〔奚谷〕,不知地之厚也;不闻先王之遗 言,不知学问之大也。 于越夷貉之子,生而同声,长而异俗,教使之然也。诗曰: “嗟尔君子,无恒安息。 靖恭尔位,好是正直。神之听之,介尔景福。” 神莫大于 化道,福莫长于无祸。吾尝终日而思矣,不如须臾之所学也。 吾尝〔足支〕而望矣,不如登高之博见 也。登高而招,臂非加长也,而见者远。 顺风而呼,声非加疾也,而闻者彰。假舆 马者,非利足也,而致千里。 假舟辑者,非能水也,而绝江河。君子生非异也,善 假于物也。 南方有鸟焉,名曰“蒙鸠”,以羽为巢,而编之以发,系之苇苕。风至苕折, 卵破子死。 巢非不完也,所系者然也。西方有木焉,名曰“射干”,茎长四寸,生 于高山之上,而临百仞之渊。 木茎非能长也,所立者然也。蓬生麻中,不扶而直。 〖白沙在涅,与之俱黑。〗兰槐之根是为芷,其渐之□(异体“修”加三点水), 君子不近,庶人不服。 其质非不美也,所渐者然也。故君子居必择乡,游必就士, 所以防邪僻而近中正也。 物类之起,必有所始。荣辱之来,必象其德。 肉腐出虫,鱼枯生蠹。怠慢忘身 ,祸灾乃作。 强自取柱,柔自取束。邪秽在身,怨之所构。 施薪若一,火就燥也。 平地若一,水就湿也。 草木畴生,禽兽群焉,物各从其类也。是故质的张而弓矢至 焉,林木茂而斧斤至焉,树成荫而众鸟息焉,醯酸而蚋聚焉。 故言有召祸也,行有 招辱也,君子慎其所立乎!积土成山,风雨兴焉。积水成渊,蛟龙生焉。 积善成德,而神明自得,圣心备 焉。故不积跬步,无以至千里;不积小流,无以成江海。 骐骥一跃,不能十步;驽 马十驾,功在不舍。锲而舍之,朽木不折;锲而不舍,金石可镂。 蚓无爪牙之利, 筋骨之强,上食埃土,下饮黄泉,用心一也。蟹六跪而二螯,非蛇□(“擅”换虫 旁)之穴无可寄托者,用心躁也。 是故无冥冥之志者,无昭昭之明。无〔忄昏〕〔 忄昏〕之事者,无赫赫之功。 行衢道者不至,事两君者不容。目不能两视而明,耳 不能两听而聪。 □(“腾”中“马”换“虫”)蛇无足而飞,梧鼠五枝而穷。诗曰 :“尸鸠在桑,其子七兮。 淑人君子,其仪一兮。其仪一兮,心如结兮。” 故君子 结于一也。昔者瓠巴鼓瑟而流【沉】鱼出听,伯牙鼓琴而六马仰秣。 故声无小而不闻,行 无隐而不形。玉在山而草木润,渊生珠而崖不枯。 为善不积邪?安有不闻者乎! 学恶乎始?恶乎终?曰:其数则始乎诵经,终乎读礼。其义则始乎为士,终乎 为圣人。 真积力久则入,学至乎没而后止也。故学数有终,若其义则不可须臾舍也 。 为之,人也;舍之,禽兽也。故书者,政事之纪也。 诗者,中声之所止也。礼者 ,法之大分,群类之纲纪也。 故学至乎礼而止矣。夫是之谓道德之极。 礼之敬文也 ,乐之中和也,诗书之博也,春秋之微也,在天地之间者毕矣。君子之学也,入乎耳,箸乎心,布乎四体,形乎动静。 端而言,蠕而动,一可 以为法则。小人之学也,入乎耳,出乎口,口耳之间则四寸耳,曷足以美七尺之躯 哉!古之学者为己,今之学者为人。 君子之学也,以美其身。小人之学也,以为禽 犊。 故不问而告谓之傲,问一而告二谓之〔口赞〕。傲,非也;〔口赞〕,非也; 君子如向矣。 学莫便乎近其人。礼乐法而不说,诗书故而不切,春秋简而不速。 方其人之习 君子之说,则尊以遍矣,周于世矣。故曰:学莫便乎近其人。 学之经莫速乎好其人,隆礼次之。上不能好其人,下不能隆礼,安特将学杂识 志顺诗书而已耳!则末世穷年,不免为陋儒而已。 将原先王,本仁义,则礼正其经 纬蹊径也。若挈裘领,诎五指而顿之,顺者不可胜数也。 不道礼宪,以诗书为之, 譬之犹以指测河也,以戈舂黍也,以锥飧壶也,不可以得之矣。故隆礼,虽未明, 法士也;不隆礼,虽察辩,散儒也。 问苦者,勿告也。告苦者,勿问也。 说苦者,勿听也。有争气者,勿与辩也。 故必由其道至,然后接之,非其道则避之。故礼恭,而后可与言道之方;辞顺,而 后可与言道之理;色从,而后可与言道之致。 故未可与言而言谓之傲,可与言而不 言谓之隐,不观气色而言谓之瞽。故君子不傲不隐不瞽,谨顺其身。 诗曰:“匪交 匪舒,天子所予。”此之谓也。 百发失一,不足谓善射。千里跬步不至,不足谓善御。 伦类不通,仁义不一, 不足谓善学。学也者,固学一之也。 一出焉,一入焉,涂巷之人也。其善者少,不 善者多,桀纣盗跖也。 全之尽之,然后学者也。君子知夫不全不粹之不足以为美也,故诵数以贯之,思索以通之,为其人以处 之,除其害者以持养之。 使目非是无欲见也,使耳非是无欲闻也,使口非是无欲言 也,使心非是无欲虑也。及至其致好之也,目好之五色,耳好之五声,口好之五味 ,心利之。 3.跟功夫不负有心人有关的名言 跟功夫不负有心人有关的名言有: 1、要看日出的人必须守到拂晓。——〔英〕司各特《一个医生的女儿》 【简介】沃尔特·司各特爵士,英国著名的历史小说家和诗人。他生于苏格兰的爱丁堡市,自幼患有小儿麻痹症,爱丁堡大学法律系毕业后,当过副郡长,他以苏格兰为背景的诗歌十分有名,而后逐渐转行开始写作历史小说,终于成为英语历史文学的一代鼻祖。 2、日子和力量都贡献给劳动,而报酬就在劳动本身。——〔俄〕列夫·托尔斯泰《安娜·卡列尼娜》 【简介】列夫·尼古拉耶维奇·托尔斯泰,1828年9月9日-1910年11月20日),19世纪中期俄国批判现实主义作家、思想家,哲学家,代表作有《战争与和平》、《安娜·卡列尼娜》等。托尔斯泰晚年力求过简朴的平民生活,1910年10月从家中出走,11月病逝于一个小站,享年82岁。 3、如果你盼望有所成功,就得根据自己的才能,可不要好高骛远。——〔俄〕克雷洛夫《八哥》 【简介】伊凡·安德列耶维奇·克雷洛夫(Иван Андреевич Крылов;1769年2月13日 - 1844年11月21日)是俄罗斯及世界著名的寓言家、作家。代表作有《大炮和风帆》《鹰与鸡》等。 4、一个人在哪儿都能找到自己的天地,只要他肯付出代价。——〔美〕亨利·詹姆斯《一位女士的画像》 【简介】亨利·詹姆斯是美国小说家,文学批评家,剧作家和散文家。代表作有长篇小说:《一个美国人》、《一位女士的画像》、《鸽翼》、《使节》和《金碗》等。他的创作对20世纪崛起的现代派及后现代派文学有着非常巨大的影响。 5、举世无处不一个样:劳劳碌碌,辛辛苦苦,而后才是报酬和欢乐。——〔德〕歌德《少年维特的烦恼》 【简介】歌德的作品被翻译成48种语言,是各国经典的重要组成部分。歌德通晓多种语言,熟悉欧洲国家各历史时代的文学作品和形式,他翻译、戏仿或用这些作品的风格写作。《浮士德》简直是欧洲文学传统的汇集。 6、如果你做事缺乏诚意,或者迟迟不愿动手,那你即便有天大本事,也不会有什么成就。——〔英〕狄更斯《荒凉山庄》 【简介】狄更斯特别注意描写生活在英国社会底层的“小人物”的生活遭遇,深刻地反映了当时英国复杂的社会现实,为英国批判现实主义文学的开拓和发展做出了卓越的贡献。他的作品对英国文学发展起到了深远的影响。 7、在你劳动不息的时候,你确实爱了生命。在工作里爱了生命,就是通彻了生命最深的秘密。——〔黎〕纪伯伦《先知》 【简介】纪伯伦出身于马龙派天主教家庭。幼年未受正规学校教育。后随家庭移居美国。在美国上学时显露出艺术天赋。后兴趣转向文学,初期用阿拉伯语,后用英语进行写作。纪伯伦的文学作品受到尼采思想的影响,蕴含了丰富的社会性和东方精神。 4.与功夫不负有心人相近的古诗 有志者,事竟成;破釜沉舟,百二秦关终归楚; 苦心人,天不负;卧薪尝胆,三千越甲可吞吴。 锲而不舍,金石可镂 滴水穿石 只要工夫深,铁杵磨成针 君子曰:学不可以已。青,取之于蓝,而青于蓝;冰,水为之,而寒于水。 木 直中绳,揉以为轮,其曲中规,虽有槁暴,不复挺者,〔车柔〕使之然也。故木受 绳则直,金就砾则利。 君子博学而日参省乎己,则知明而行无过矣。 故不登高山,不知天之高也;不临深〔奚谷〕,不知地之厚也;不闻先王之遗 言,不知学问之大也。 于越夷貉之子,生而同声,长而异俗,教使之然也。诗曰: “嗟尔君子,无恒安息。 靖恭尔位,好是正直。神之听之,介尔景福。” 神莫大于 化道,福莫长于无祸。 吾尝终日而思矣,不如须臾之所学也。 吾尝〔足支〕而望矣,不如登高之博见 也。登高而招,臂非加长也,而见者远。 顺风而呼,声非加疾也,而闻者彰。假舆 马者,非利足也,而致千里。 假舟辑者,非能水也,而绝江河。君子生非异也,善 假于物也。 南方有鸟焉,名曰“蒙鸠”,以羽为巢,而编之以发,系之苇苕。风至苕折, 卵破子死。 巢非不完也,所系者然也。西方有木焉,名曰“射干”,茎长四寸,生 于高山之上,而临百仞之渊。 木茎非能长也,所立者然也。蓬生麻中,不扶而直。 〖白沙在涅,与之俱黑。〗兰槐之根是为芷,其渐之□(异体“修”加三点水), 君子不近,庶人不服。 其质非不美也,所渐者然也。故君子居必择乡,游必就士, 所以防邪僻而近中正也。 物类之起,必有所始。荣辱之来,必象其德。 肉腐出虫,鱼枯生蠹。怠慢忘身 ,祸灾乃作。 强自取柱,柔自取束。邪秽在身,怨之所构。 施薪若一,火就燥也。 平地若一,水就湿也。 草木畴生,禽兽群焉,物各从其类也。是故质的张而弓矢至 焉,林木茂而斧斤至焉,树成荫而众鸟息焉,醯酸而蚋聚焉。 故言有召祸也,行有 招辱也,君子慎其所立乎! 积土成山,风雨兴焉。积水成渊,蛟龙生焉。 积善成德,而神明自得,圣心备 焉。故不积跬步,无以至千里;不积小流,无以成江海。 骐骥一跃,不能十步;驽 马十驾,功在不舍。锲而舍之,朽木不折;锲而不舍,金石可镂。 蚓无爪牙之利, 筋骨之强,上食埃土,下饮黄泉,用心一也。蟹六跪而二螯,非蛇□(“擅”换虫 旁)之穴无可寄托者,用心躁也。 是故无冥冥之志者,无昭昭之明。无〔忄昏〕〔 忄昏〕之事者,无赫赫之功。 行衢道者不至,事两君者不容。目不能两视而明,耳 不能两听而聪。 □(“腾”中“马”换“虫”)蛇无足而飞,梧鼠五枝而穷。诗曰 :“尸鸠在桑,其子七兮。 淑人君子,其仪一兮。其仪一兮,心如结兮。” 故君子 结于一也。 昔者瓠巴鼓瑟而流【沉】鱼出听,伯牙鼓琴而六马仰秣。 故声无小而不闻,行 无隐而不形。玉在山而草木润,渊生珠而崖不枯。 为善不积邪?安有不闻者乎! 学恶乎始?恶乎终?曰:其数则始乎诵经,终乎读礼。其义则始乎为士,终乎 为圣人。 真积力久则入,学至乎没而后止也。故学数有终,若其义则不可须臾舍也 。 为之,人也;舍之,禽兽也。故书者,政事之纪也。 诗者,中声之所止也。礼者 ,法之大分,群类之纲纪也。 故学至乎礼而止矣。夫是之谓道德之极。 礼之敬文也 ,乐之中和也,诗书之博也,春秋之微也,在天地之间者毕矣。 君子之学也,入乎耳,箸乎心,布乎四体,形乎动静。 端而言,蠕而动,一可 以为法则。小人之学也,入乎耳,出乎口,口耳之间则四寸耳,曷足以美七尺之躯 哉!古之学者为己,今之学者为人。 君子之学也,以美其身。小人之学也,以为禽 犊。 故不问而告谓之傲,问一而告二谓之〔口赞〕。傲,非也;〔口赞〕,非也; 君子如向矣。 学莫便乎近其人。礼乐法而不说,诗书故而不切,春秋简而不速。 方其人之习 君子之说,则尊以遍矣,周于世矣。故曰:学莫便乎近其人。 学之经莫速乎好其人,隆礼次之。上不能好其人,下不能隆礼,安特将学杂识 志顺诗书而已耳!则末世穷年,不免为陋儒而已。 将原先王,本仁义,则礼正其经 纬蹊径也。若挈裘领,诎五指而顿之,顺者不可胜数也。 不道礼宪,以诗书为之, 譬之犹以指测河也,以戈舂黍也,以锥飧壶也,不可以得之矣。故隆礼,虽未明, 法士也;不隆礼,虽察辩,散儒也。 问苦者,勿告也。告苦者,勿问也。 说苦者,勿听也。有争气者,勿与辩也。 故必由其道至,然后接之,非其道则避之。故礼恭,而后可与言道之方;辞顺,而 后可与言道之理;色从,而后可与言道之致。 故未可与言而言谓之傲,可与言而不 言谓之隐,不观气色而言谓之瞽。故君子不傲不隐不瞽,谨顺其身。 诗曰:“匪交 匪舒,天子所予。”此之谓也。 百发失一,不足谓善射。千里跬步不至,不足谓善御。 伦类不通,仁义不一, 不足谓善学。学也者,固学一之也。 一出焉,一入焉,涂巷之人也。其善者少,不 善者多,桀纣盗跖也。 全之尽之,然后学者也。 君子知夫不全不粹之不足以为美也,故诵数以贯之,思索以通之,为其人以处 之,除其害者以持养之。 使目非是无欲见也,使耳非是无欲闻也,使口非是无欲言 也,使心非是无欲虑也。及至其致好之也,目好之五色,耳好之五声,口好之五味 ,。
2023-08-16 03:09:491

英语自我陈述怎么写

  个人英语自述怎么写?下面我为大家整理了美国金融专业以及金融工程,数理金融专业的个人陈述英文范文,希望对大家的美国留学申请个人陈述写作有所帮助。   申请专业:金融/经济学   Economics and Finance Personal Statement   Having a flair for Economics and accounting I have decided that I want a degree in Accounting and Finance or Management. The many brilliant representatives of the management community around the world have strengthened that resolve.   When I worked in my school as a tutor of English as a Second Language for students from a community school in Muscat, I realized the importance of a strong leader who could organize, command respect, and be able to work well with others. These ideas were further enforced by my month long internship at Novartis Pharmaceutical (Accounts and Finance Department and Human Resources Department).   I attended the Harvard Model Congress in Paris and won the Award of Distinction. One skill in particular that contributed to this award was my confident public speaking.   The last 4 months have been crucial in my learning of real world business and economics. For my IB Extended Essay, titled “To What Extent Does Subway in Oman Operate as an Oligopoly”, I set out to prove the oligpolistic structure of the fast food market in Oman. In this effort, I have come across many real life complexities in pricing behaviour, profit making and other aspects of the Theory of the Firm. While attempting to explain these alternate theories of firms I have developed a keen interest in analyzing and understanding how the world of business works.   After an undergraduate degree in accounting and finance or management I plan to go onto post graduate studies and work on an MBA. A strong performance in a BA will allow me to move onto an MBA and only then shall I be satisfied.   For the last four years I have been part of our schools volleyball team ICE. We have retained our ISAC (Inter Schools Activities Conference, Middle East) title for four years. Playing in the power hitters (spiker) position requires immense physical fitness and to accomplish that I regularly go to the gym for fitness training. I am also part of my school track and field team. Being the fastest sprinter in the school since 11th grade the 100m, 200m and 400m races are my specialty even though I still pursue long distance running. In my spare time I explore and master the computer as I am conversant with a Visual Basic Programming course. It is imperative for me to have the latest hardware and software and I make it a point to install everything myself. I also learn Urdu as it is my native tongue and a link to my culture, to maintain that is crucial.   Living in a diverse international community of over 52 nationalities has allowed to me recognize and appreciate different cultures. With the experience I have and the strong motivation to craft a bright future I feel I can justify my decision to pursue a career in Accounting and Finance or Management.   申请专业:金融工程   在我看来金融工程是一种创新、创造技术,一种对金融工具、金融手段和系统的创造和创新技术,一种平衡收益和风险的技术.它包含了数学,计算机,金融方面的知识,是一门充满了趣味的交叉学科,而数学知识和数学模型是这个学科中必不可少的核心内容:马科维茨的投资组合选择理论,夏普的资本资产定价模型,Black-Scholes的期权定价模型以及考克斯等人的“二项式”模型正是这种核心地位的体现。   In my opinion, the Financial Engineering is a kind of creative technology to the Financial Instruments, Financial Means and system. It used to balance the benefits and venture as an interesting interdisciplinary subject. It covers many fields such as mathematics, computer science and finance, in which the mathematics and mathematical modeling are the two main aspects of the Financial Engineering. The Investment Portfolio Theory of Markowitz, the capital asset pricing model of the Sharp, Option Pricing Model of Black-Scholes and “Binomial” model of Cox can best reflect the critical position of the two subjects.   我有幸选择了数学与应用数学这个专业,在三年和它的接触了解中,使我对数学,尤其对数学建模有了较深的理解和体会。(记得第一次去听清华大学XX系姜启源教授的讲座,他在讲座上举了一个“现实生活中的数学”例子:“1公斤面, 1公斤馅, 包100个饺子;若馅比 1公斤多, 应多包几个, 还是少包几个呢? ” 是这个生动、形象、富于生活气息的包饺子问题把我领进了数学建模的世界。)   I am glad to choose mathematics and applied mathematics. Three yearsu2019 study had deepened my understanding of them, especially of mathematical modeling. (It still occurs to me when I went to attend the class of XX department given by Professor Jiang qiyuan in Tsinghua University for the first time. “1 kilogram of flour added with 1 kilogram of stuffing can make 100 dumplings, but what if the stuffing is more than 1 kilogram?” He used a very simple, vivid and interesting example which aroused my interest and led me into the mathematical modeling world.   第一次和数学建模亲密接触是在05年的暑假,我有幸参加了学校组织的数学建模培训。经验丰富的数学老师们通过实实在在的例子告诉我们什么是数学建模。给我印象最深的是一个关于SARS的例子:2003年,SARS爆发并在世界范围内传播,严重影响到我国经济发展和人民生活,定量的研究SARS的传播规律并建立数学模型预测和控制传染病蔓延成为数学工作者必须解决的问题u2026u2026于是Logistic回归便成为我永恒的记忆。为期2周的数学建模培训,给我留下的不仅是一个个经典的数学模型,更重要的是一份澎湃的激情和一份冷静的思考:数学和数学建模是人类的守护神,因为有了她的存在,人类的生存和发展才有条不紊的继续着;那么当SARS病毒肆无忌惮时,当AIDS病毒肆意侵蚀人们肉体时,一个热爱数学、热爱数学建模,更加热爱生命的人能够做些什么?   The first time I kissed the mathematical modeling was in the summer vacation of 2005, when I got a good opportunity to attend the mathematical modeling training organized by our school. Seasoned mathematics teachers told me what on earth the mathematical modeling is through some existing examples, in which the one about SARS impressed me most. In 2003, SARS broke out and shrouded rapidly to the whole world, which imperiled our economic development and peopleu2019s living. Therefore, study on its spreading regularity and building the mathematical modeling for predicting and controlling its extension had become the “Archimedes Heels” for all mathematiciansu2026 So, the Logistic regression has been carved in my memory. Two weeksu2019 training has presented me with a kind of passion and calm thinking much more than just those classical mathematical models. As the patron saint of our human-beings, the existence of Mathematics and mathematical modeling are maintaining our subsistence and development. Then, when SARS ran riot, when we are suffering from the pain of AIDS, what can I do as a mathematics and mathematical modeling lover who loves life so much?   怀着这份激情和思考,在大二的秋天,我第一次尝试了运用数学建模的知识去解决实际问题,我和另外两名队员代表学校参加了全国大学生数学建模比赛。比赛要求结合数据对长江水质做出定量评价,分析各地区的水质污染;并对未来长江水质污染发展趋势做出预测分析,制定污水处理计划。长达17页的数据和多个评价指标对我们来说着实是个挑战!究竟应该选择哪些数据?怎样综合考虑多个指标?我们尝试了近一天,推翻了以前建立的种种模型,有好几次都被弄得想要放弃,是队友间的相互鼓励的力量和锲而不舍的精神让我们最终找到了自己满意的模型:综合指数法模型评价长江水质,既体现水质的各种评价因子,又能反映主要污染物对水质的突出作用;通过多元线性回归拟合预测未来水质污染,建立线性优化模型,制定污水处理计划。我们小组的参赛论文获北京市二等奖。三天三夜的建模经历,那份澎湃的`激情已经渐渐平息,取而代之的是更加冷静的思考:数学建模创造、创新,成功地解决问题依赖于扎实的数学基础知识和过硬的数学建模能力;依赖于不拘一格的创新思维和创造能力;还依赖于对多方面知识的了解和积累。   Pocketed with this passion and thinking, I tasted to use mathematical modeling into practice and solve the practical problems by attending the National College Mathematical Modeling Contest with the other two schoolmates on behalf of our college. It required us to evaluate the water quality of Changjiang River according to the data, through which we had to analyze the water pollution in every region and predict the trend of it in the future. Finally we had to bring out the plan against it. It was really a challenge for us towards flood of data and estimations as long as 17 pages. We tried almost a whole day only to filter those data and take the evaluations into comprehensive account. Pulling down various models we had built before, we were so defeated that we wanted to give up many times. However, we finally found the satisfactory model thanks to our encouragement to each other which armed us with full strength to go further.We managed to evaluate the water quality by Composite index model, which could not only represent the evaluation factors, but also reflect the main impacts of the contaminations to the water pollution. We predicted the future water pollution through multiple linear regressions fitting and brought out the plan against it by building linear optimization model. Finally, we got the second prize in Beijing for our thesis. Three daysu2019 and nightsu2019 modeling experience had cooled our passion and gave us even more calm thinking instead. The creation of the mathematical modeling, along with the successful solution to the problems through it lied on the solid mathematics foundation, strong modeling ability, accumulation of the knowledge on different fields, unique creative ideas and creativity.   参加数学建模比赛的经历更加激发起我的学习兴趣,使我在学习数学理论的同时更加注重它们的应用性。除此之外,我抓住一切可能的机会再次参加实际的数学建模。大三的上学期,我有幸参加了为期3天的电工数学建模实习:给某大型运动会比赛项目排序。由于对图论知识很熟悉,我很快将问题转化为寻找最佳Hamilton回路。接近87亿种不同的排序的数据量,比上次的全国数模竞赛更大,我的算法运行时间相当长而且运行的结果也很不理想。这种情况的发生不仅仅没有打消我的积极性,反而使我的情绪高涨,这是人生中难得的自我考验,自我提高的机会!通过查询资料改用遗传算法,运行时间和结果都大大提高.最后成功地完成这次实习.这次实习给我的感触很大,一个数学模型是否能够完美地解决实际问题还要考虑其运算成本,实际问题不仅需要一个成功的模型还需要一个快速有效的算法。   The experience from this contest further aroused my interest in mathematics. I began to pay more attention to its application as well as learning the theories. In addition, I tried to catch every opportunity to take part in the practical mathematical modeling. My efforts finally rewarded when I was in the first term as a junior. I had a chance to participate in the 3-day electrician mathematical modeling practice-----classifying the sports programs for a big sports meeting. Being familiar with the Graph Theory, I immediately found the way to solve the problems by seeking the best Hamilton circuit line. Facing the nearly 8.7 billion data files with different orders much more than that on the National Mathematical Modeling Contest, I spent a long time on Algorithm without any perfect result. I wasnu2019t defeated towards this case, but so excited instead that I could have such a chance to challenge and improve myself. Looking up dozens of files, I finally made a perfect end of the practice by using the Genetic Algorithm into full account. It needs both a successful model and an effective arithmetic to solve these problems. , which largely shortened the operation time and improved the operation result. I learnt a lot from this practice. I came to know that to build successful mathematics modeling that can effectively solve the practical problems, we must take the operation cost   电工数模实习结束后,浓厚的学习兴趣和电工数学实习的教训促使我和数学系、计算机系几名同学共同筹划并创建“数学建模沙龙”,将计算机算法和数学模型共同作为沙龙的主题。每周二下午,我们会组织有兴趣的同学一起,以传授经验、分享心得、共同思考、共同讨论的方法学习和交流数学思想和算法。传统的运输问题、储存问题和新兴的模拟退火算法、蚂蚁算法都曾成为我们的讨论话题。通过这个活动我从数学系和计算机系的同学身上分享了更多的知识,他们的思维方式,处理问题的方法!到目前为止这个活动仍然在进行着,参加的人数也越来越多.带动了学校的一个学习热潮,我为此感到非常的兴奋!   Summarizing my failures in the mathematical modeling electrician practice and proceeding from my interest in this field, I began to think of collaborating on the “Mathematical Modeling Saloon” with several students from mathematics and computer departments, taking the Computer Algorithms and mathematical modeling as the two themes of the book. Every Tuesday afternoon, we would organized those students interested in this field to study and exchange the ideas and arithmetic by imparting experience, sharing what we learnt, pondering together and discussing with each other. Both the traditional transportation & storage problems and the modern Stimulated Annealing Arithmetic (SAA), Ant Algorithm have ever been the topic of our discussion, from which I have learnt many thinking styles and methods to the problems from the students both in mathematics and computer department. So far, I am excited to see that this activity is still in the wind with more and more participants and it aroused a learning upsurge in our college.   在老师的推荐下,大三暑假,我参加了邢永丽老师的教学改革项目——“提高数学课堂教学质量”的结果分析。04-05年,邢老师在她和其他几个数学老师的任课班级上做了课堂互动的教学实践,其数据大多以调查问卷等文字形式出现。此模型的特点让我马上联想到模糊数学定量分析模型,但敢于尝试新模型的念头让我最后选择了AHP层次分析法。通过量化数据,应用AHP层次分析法定量分析老师的综合素质、授课技巧等因素在师生互动、提高数学课堂教学质量中所起的作用,得出教师的授课技巧和课堂问题设置在课堂互动中所占分量最重的结论,并和邢老师合作完成《层次分析法在课堂互动教学效果评价中的应用》论文,邢老师和我对论文都非常满意,已向多个期刊投稿并有望发表。   Recommended by my teacher, I have participated in the Teaching Reform Program of Mrs. Xing yongli----the results analysis of “Improving the mathematics teaching quality on class”. Mrs. Xing, along with some other mathematics teachers experienced the class mutual activities in 2004 to 2005 with the character data files in form of paper investigations. For this style of data files, I finally used the Analytic Hierarchy Process (AHP) as a creative challenge instead of the fuzzy mathematical quantitative analysis models, which firstly knocked my mind. By quantitating data and using the AHP, I succeeded in analyzing how the overall quality of the teachers and their teaching skills work in improving the mathematics teaching quality on class, from which we got the conclusion that the teaching skills and the way to put forward questions on class play the most important role in the class mutual activities. Besides, Mrs. Xing collaborated with me on the thesis named “The Application of Analytic Hierarchy Processinto the Evaluation of Class Mutual Activities”. Both of us were satisfied with this thesis and contributed it to many presses to be published.   和数学建模一样,金融工程的灵魂是创新思维和创造能力,而数学和数学建模知识在金融工程的应用更让我对这门学科充满了兴趣;更s重要的是,金融工程技术能给人们的生活、社会的稳定、国家的发展做出重要贡献,我想这个也更加符合我学习数学建模的初衷。   Similar with the mathematical modeling, the soul of the Financial Engineering is also the creativity. Therefore, the perfect application of the mathematics and mathematical modeling into the Financial Engineering once more surged my enthusiasm in this field. Furthermore, the Financial Engineering plays the important part in peopleu2019s living, social stability and the national development, which is my original intention to choose this field I think.
2023-08-16 03:09:561

工夫真的不负有心人吗?那为什么很多努力没有回报?

那是你没有更加努力,你要更加努力,全把心思都放在那一个事情上,你一定会成功的!
2023-08-16 03:09:582

美国工科留学个人陈述英文范文

  我为大家介绍美国工科留学个人陈述英文范文,希望对出国留学的同学有所帮助。想了解更多留学精彩内容,为你详细解答。   美国工科留学个人陈述英文范文。在美国研究生申请材料中,个人陈述、推荐信、简历、Essay以及Writing Sample等材料的作用很重要,特别是个人陈述所占的比重更大,对于计划申请美国研究生的人来说,在留学中写好个人陈述一定要慎重,需要全面考虑。   Applied Program: Electrical Engineering   In the entire process of my growing up, I have been influenced by the accomplishments of many great people. But I am most influenced by the deeds of an ordinary American called Bob. He is a veteran and his story is carried in many Chinese newspapers. He lost both of his legs as a result of striking a mine during the Vietnam War. Being a handicapped person, Bob can only rely on his hands to move about. Although he suffers from such severe bodily confinements, he refuses to be overwhelmed by despair. He "walked" from the West coast of the United States to the East coast on hands and proved to the world with his action that courage, perseverance, determination and optimism can conquer all forms of difficulties. The story has profoundly moved me. I think that as a person in sound physiological conditions, I should be able to surmount all obstacles as long as I make strenuous efforts the way Bob did.   My course of life is not as twisted as Bob"s, but his spirit has become my constant encouragement. Born into a family of musicians, I graduated from high school with distinction and was admitted into the Electrical Department of Tsinghua University without being required to take any entrance examination. I chose Biomedical Engineering as my area of specialization and has since embarked on the sustained study and exploration in this field.   University education is like a paradise of knowledge replete with precious academic treasures. In it, I greedily absorbed all kinds of "nutritious" knowledge. Biomedical Engineering is a newly emerged cutting-edge discipline that synthesizes a multiplicity of subjects including physiology, electric and electronic engineering, computer science, and material science. The multi-disciplinary nature of Biomedical Engineering made it possible for me to simultaneously study a variety of subjects. It was an immense challenge, but this challenge also constituted a constant impulse toward the pursuit of diverse new knowledge.   In studying all the subjects related to Biomedical Engineering, I could not only experience the complexity and difficulty of fundamental biological theories but also perceive the joy of the pragmatic knowledge derived from electronics and computer science. On account of my deep interest in Biomedical Engineering and my devotion and industry in coursework, I performed extremely well academically. Apart from academic excellence, I paid much attention to improving my comprehensive qualities because I believed that the real success of a person does not simply depend on his or her professional expertise but also on many other related factors. As an undergraduate, I launched the Pop Music Association of xxxxxx University in which I served as deputy chairman. I was the chief oboe player of xxxxxxxUniversity Orchestra. My experience in this regard has not only enriched my imaginative thinking but also cultivated in me a unique humanistic sensitivity. In addition, I was responsible for the successful organization of xxxxxxxx University"s basketball league match for two years. These experiences enhanced my organizational and cooperative abilities while making me increasingly understand the importance of effective communication and collaboration with other in the modern world. I believe that the same holds true for scientific research. Most scientific discoveries are made not on the basis of the individual efforts of a particular scientist, but on the accumulative and concerted coordination and cooperation of a group of scientists. I concluded my undergraduate studies with a well-written and solidly-founded thesis which was rated as Excellent.   After completing my undergraduate studies, I pursued a Master"s program at xxxx University. During this period, I participated in a major research project undertaken by a State Key Lab based in xxxxxxx University, a lab which is especially devoted to projects commissioned by China Foundation of Natural Sciences. I was responsible for a large part of the project, which was the calculation design in the construction of the brain"s three-dimensional model. In this project, I proposed the division of nuclear magnetic resonance image by applying the approach of temporal field division, thereby separating different tissues of the human brain and then reconstructing them into a three-dimensional image. This approach was highly positive comments from my advisor for its remarkable originality. The research findings were subsequently published in xxxxxx University Journal. As I delved deeper into my research, I have discovered that, in the field of therapeutic instruments, a large number of theoretical and technical problems still remain unsolved, among which the processing of medical image fascinates me most. Although recent research has achieved considerable progress and breakthroughs in this field, there are still some problems that demand urgent solution. In particular, there is the problem of poor practical applicability of medical images, resulting in the failure of those images to provide sufficient medical information for the medical personnel during their clinical practice. The key for working out this problem lies in the method of processing electronic signals.   On this issue, although I studied many undergraduate courses related to electronics and have laid a tentative foundation for undertaking research on electronic signals, my existing knowledge is far from enough for reaching a relatively complete solution. My conclusion is that I have to seek more advanced studies in the field of electrical and electronic engineering in order to make important achievements in the future. Based on this recognition and in view of the relatively backward conditions of China in this field, I am determined to pursue further studies in the United States. I wish that my further studies could strengthen me in terms of the advanced knowledge of electrical and electronic engineering. By combining the basic knowledge and the research experience that I have accumulated in the area of biomedical engineering over the past few years, and by utilizing the multi-disciplinary advantages, I will endeavor to address some of the existing problems in the field of medical instruments.   The 21st century is the century of biology. Biological developments have provided theoretical foundation for achieving medical progress. But medical progress also depends on the development in other categories of technology and electrical and electronic engineering is one of such technologies. It has made the invention of many important medical instruments possible. Nevertheless, mankind still urgently needs the invention of much more sophisticated instruments. This will be a hard process. Now that modern biology, electronic engineering and other relevant sciences have created possibilities for realizing this objective, I wish that I could become involved in this historical process and that I could make my due contributions to this process.
2023-08-16 03:10:041

西部数据移动硬盘 查询真伪 保修期 PN号:WDBPCK0010BBK-01 SN号:WX61EC1SVX29 求验证

官网上有查证啊,百度他的官网
2023-08-16 03:10:073

耶鲁大学在哪?

耶鲁在美国,每个专业都很牛X,要能进这样的大学,毕业就不愁找工作.
2023-08-16 03:10:106

VIN码WDB1400331A395234代表的汽车生产国是什么?

第一位代表国家W代表德国
2023-08-16 03:09:311

功夫不负有心人是谁说的?

1、功夫不负有心人这句话是一句谚语,没有具体出处。2、功夫不负有心人的意思:只要用心去做一件事,就会取得成功。说明事情的成功,在于肯付出辛勤的劳动。与“坚持就是胜利”意思大致相同,但功夫不负有心人是用心做,而“坚持就是胜利”则多表示坚持。更多关于功夫不负有心人是谁说的,进入:https://m.abcgonglue.com/ask/6f229c1615839020.html?zd查看更多内容
2023-08-16 03:09:301

煤气灶离子熄火保护装置工作原理

安全装置:安全装置就是熄火保护装置,当灶头上的火被煮沸的水浇灭时,灶具会自动切断气源,以免造成难以预料的危险。从工作原理上分为两种:热电偶和自吸式电磁阀。热电偶是温度感应装置,其反应较慢,而电磁阀反应灵敏,但需要3V电压,较为耗电。选购灶具的时候,要仔细研究一下其点火系统是否安全可靠、燃烧系统是否燃烧充分、热量调节是否灵活、排出废气中一氧化碳含量是否小于0.05%。嵌入式灶具的熄火保护装置是当今最先进的离子感应式,它能在0.l秒内感应热量的存在和消失,起到意外熄火自动断气的作用,既节能而且减少有害气体排放。
2023-08-16 03:09:282

耶鲁yale3109智能锁怎么反锁

耶鲁3109智能锁对一些用惯了机械锁的朋友来说是非常合适的,因为它不仅有室内反锁功能,还能够在外部直接将智能锁锁定,也就是反锁。如果您还不知道它的这个功能的话那就快来看看吧。室外反锁一、用卡片反锁 在将智能锁上锁之后,把开锁卡片放在智能锁的卡片识别区域,放大概5秒钟左右,听智能锁发出3次“BIK”声。等智能锁发出“DI-RI-RIC”的声音后代表智能锁已经被反锁了。二、用密码反锁 用手掌触摸密码键,激活键盘。然后输入已经登记的开锁密码,然后长按【#】键3秒左右,待智能锁发出“DI-RI-RIC”的声音后即可。室内反锁室内反锁的操作比室外要简单很多,只需要将内部强制锁定按钮拨动到“LOCK”端就行。小编提示:室内反锁之后外部只有钥匙能开门,看得出来这款智能锁的安全性还是很高的。王者之心2点击试玩
2023-08-16 03:09:261

全英文个人陈述

Four years of secondary school life is a turning point in my life in 2004 I went with outstanding achievements on the XXX school in four years of school life so that I have the challenge of its own enriching themselves lay the foundation for future work in this course in four years School is the last months of internship, I entered an examination bodies of the call center to do the work I Hua Wuyuan in the community to deal with the interpersonal relationships have a better understanding of it and I am not so satisfied, on the contrary, I increasingly feel that they have In the relevant fields of knowledge I am aware of their own lack of knowledge I hope that the deficiencies can be further improved before I do not consciously study will be a very people I would now like to re-enter the campus to change under their own change to the better although I do not However, I very consciously study is a great sense of responsibility of the teachers I will explain the matter on January 1 to complete a sense of responsibility is very important that it relates to a person"s credibility problem on their own whether or not said on what others have said The Institute is responsible for the XXX understand after I firmly believe that the university can I become a comprehensive ability to shape the talent so that I returned to school after the return due to in-school period and I will continue to make up for the lack of its own Xinfuqizao the biggest drawbacks
2023-08-16 03:09:263

YOLO是什么意思?

YOLO,美语新词,是You Only Live Once的首字母缩略词,意为你只能活一次,应该活在当下,大胆去做。YOLO的寓意是人应该享受人生,即使需要承担风险。就是鼓励人们不怕冒险,想做什么就做什么,享受人生,因为只会活一次。起源词典编纂者Ben Zimmer发现该新词最早起源于YOLO商标,释义为You Only Live Once,现在这一句话常常用在青少年的对话和音乐当中。加拿大饶舌歌手德雷克的《The Motto》使此句普及于网络中;BTS的歌曲《INTRO : O!RUL8,2?》和《Go Go》分别使用了"You only live once"和"YOLO"。2016年该新词首次作为词条收录于牛津词典。2019年中国男子流行演唱组合R1SE在其第二张专辑《炸裂狂想曲》中以柯洁与ALPHAGO人机对战为背景创作的《Never Surrender》中提到“我的格言是YOLO”。
2023-08-16 03:09:231

新买了一个移动硬盘,西数WDBAAU0010HBK,但是电源适配器要怎么使用啊,

能有图就更好解决了
2023-08-16 03:09:234

功夫不负有心人的意思是什么

功夫不负有心人,意思是只要用心去做某事,就会取得成功。功夫:本领;造诣。指武术。同“工夫”(指占用的时间,勤奋地做了有用的事)。本句指同“工夫”。负:辜负,对不起。有心人:有志愿,肯努力,肯动脑筋的人。有心:用心,仔细认真。功夫不负有心人的意思是:只要用心去做一件事,就会取得成功。说明事情的成功,在于肯付出辛勤的劳动。与“坚持就是胜利”意思大致相同,但功夫不负有心人是用心做,而“坚持就是胜利”则多表示坚持。相关故事传说北山住着一个九十多岁的老人,名叫愚公。他家门口有太行、王屋两座大山,进出很不方便,愚公就跟家里的人商量,想挖掉这两座山。愚公的妻子提出了疑问:“山上的石头和土往哪儿放呢?”愚公和他的儿子们不管这些,说干就干,把挖下的土和石头运到很远的渤海去,一年才来回一次。河曲有个叫智叟的老头儿劝愚公别犯傻,这么大年纪怎么能挖得平山呢?愚公说:“我死了还有儿子,儿子死了还有孙子,孙子又有儿子,世世代代干下去,哪有挖不平的山呢?”愚公动员全家的力量,感动了玉帝,玉帝派大力神搬走了高山。
2023-08-16 03:09:231

电磁悬架是什么工作原理?

  电磁悬挂(Magnetic Ride Control)是利用电磁反应的一种新型独立悬挂系统,它可以针对路面情况,在1毫秒时间内作出反应,抑制振动,保持车身稳定。  电磁悬挂系统是由车载控制系统、车轮位移传感器、电磁液压杆和直筒减振器组成。在每个车轮和车身连接处都有一个车轮位移传感器,传感器与车载控制系统相连,控制系统与电磁液压杆和直筒减振器相连  在减震器内采用的不是普通油,而是一种称作电磁液的特殊液体,它是由合成碳氢化合物以及3到10微米大小的磁性颗粒组成。一旦控制单元发出脉冲信号,线圈内便产生电压,从而形成一个磁场,并改变粒子的排列方向。这些粒子马上会垂直于压力方向排列,阻碍油液在活塞通道内流动的效果,从而提高阻尼系数,调整悬架的减震效果。
2023-08-16 03:09:204

yale智能锁常用功能使用说明

每一款指纹锁都有一个快速掌握的方法,耶鲁指纹锁也不例外。下面小编就和大家聊聊yale指纹锁的常用功能以及这些功能的使用说明吧。yale指纹锁常用功能使用说明1.登记使用者密码 按“登记键”,按,再按,输入要登记的密码,再按“登记键”。2.登记管理者密码 按“登记键”,按,再按,输入现在的管理者密码,再按确认,输入新的6位管理密码,再按“登记键”。3.设置一般模式 按“登记键”,按键,再按,再按,再输入管理者密码,再按“登记键”。4.设置保安模式 按“登记键”,按键,再按,再按,再按“登记键”。5.一般模式下登记指纹 按“登记键”,按,输入现在的管理者密码,再按确认,扫描要登记的指纹三次,再按“登记键”。 6.保安模式下登记指纹 按“登记键”,按,输入现在的管理者密码,再按确认,再输入指纹编号,扫描要登记的指纹三次,再按“登记键”。 7.登记卡钥匙 按“登记键”,按,再把要登记的卡钥匙接触到卡钥匙接触部位,再按“登记键”。 8.从外部锁定门锁 在关上门之后上提门把手,锁定指纹锁。9.从门内开启或锁定门锁 在门内向上旋转门把手即可反锁,下压门把手开门。10.紧急钥匙开门 把紧急备用滑盖往下推开,然后用机械锁开门。小编提示:如果您是接触耶鲁指纹锁不久的朋友,小编建议您将本页面收藏起来,这样就算下次再遇到不懂的问题了也能很快速地查找到对应的方法解决。王者之心2点击试玩
2023-08-16 03:09:191

3d眼镜的原理

3d眼镜原理 3d眼镜的原理是采用的人的立体视觉,造出双眼立体式影像,当人的眼睛看事物时都会形成角度差,而3d眼镜正是利用角度差的立体原理制作成的,创造出双眼三维空间类视觉影像技术,然后3d眼镜就能利用偏振光达到平面变三维的效果。
2023-08-16 03:09:181

物理:电动机的工作原理?

通电导体在磁场中受力的作用。
2023-08-16 03:09:163

大梦想家中yolo怎么读

英文原文:yolo英式音标:[u02c8ju0259u028au02cclu0259u028a] 美式音标:[u02c8jou028au02cclou028a]
2023-08-16 03:09:151