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the __of finding gold in california were good in the 1840`s

2023-05-19 15:13:17

proposals
promises
prospects
pricileges

共3条回复
阿啵呲嘚

应该选prospects,意思是前景。

proposals:建议,提案,求婚。

promises:保证,许诺。

最后一个错了一个字母,应该是privileges:特权。

所以只有prospects合适,整个句子的意思是在19世纪40年代,在加利福尼亚找金子的前景非常光明。指的是当时的淘金潮 Gold rush.

祝学习好!欢迎追问~~~欢迎采纳~~~~

可乐

prospects

1804年,加利福尼亚的寻金前景光明

proposals建议

promises保证

prospects前景

pricileges?

苏萦

Prospects 前景,展望。选这个

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2023-01-02 00:15:091

the _of finding

prospects 1804年,加利福尼亚的寻金前景光明 proposals建议 promises保证 prospects前景 pricileges?
2023-01-02 00:15:141

帮我写篇英语作文how to improve career prospects while at college 急

In a competitive society, having a good academic transcript will no longer guarantee you a job position when you graduate. This is because one may possess a good knowledge of theories that have been learnt from textbooks, but do not have the actual practical skills that can be effectively applied to the job when they start working. Hence, having relevant job experience that relate to the degree that you are studying is crucial for modern college students. Having job experience will mean that you have stepped out from being a student who knows "nothing" to a beginner of the society. Therefore, the earlier you have the experience, the more "mature" your job skills will build. This will definitely be your competitive advantage and help you to have the edge over other students when you are finding the same job. Hence, work experience and a good academic transcript will greatly help students to improve their career prospects.
2023-01-02 00:15:201

生物专业英语,,,帮我翻译下 啊,,,急啊

在简短的 进展 ?曲目艾滋病毒的潜在目标正在扩大 ?核酶和适体继续演变为 疗法 ? RNAu有效利用剪接: 外部引导序列(环境商品和服务)利用 在tRNA的加工机械 ?多目标干扰的方法,抑制艾滋病毒 复制推动,包括方法,以避免 毒性与饱和度的内源性 RNA干扰途径 ? Immunostimulation的RNA干扰疗法可 避免 ? RNA干扰诱导的基因沉默(东京电玩展) 提出了新的可能性,针对基因沉默 ?阿慢病毒载体与三重艾滋病毒治疗 走向诊所 展望 ?新的蜂窝目标是被认定为选项 用于治疗干预 ?更好地了解所发挥的作用的microRNA在 正常的细胞生物学和疾病将提供新的 选择基因疗法 ? RNA的基因治疗应用设计的治疗 癌症与细胞放松管制将扩大 ?新组合的RNA为基础的基因疗法 抗HIV - 1和丙型肝炎病毒将得到发展。 ?基因疗法的概念验证研究,在动物 模型将增加 ?临床试验将产生信息 疗效的基因治疗方法
2023-01-02 00:15:251

Cash flow prospects是什么意思

2023-01-02 00:15:312

英语 急...

1. B barrier障碍 本句意思是:沙漠和大山阻碍成了人们搬迁的原因。A.jam 酱,像酱一样,经常用的是traffic jam C fence 篱笆 D prevention 阻止2.before表示“到……之前过了多少时间”的用法很常见。如:It has been 5 years before we see each other.你的句子意思是:科学家要把这种药品在人身上试验还要5——10年的时间。3.be bound up to/with都有的 to强调与后面某物的趋向性,with强调和什么的联系。选with更好4.A.blow up explode 原因:他们原打算把大桥炸掉,但炸弹失效了。blow up更强调一个炸的过程,explode炸,爆炸,强调一种现象。erupt 喷发,多用于火山 burst 冲出 一般不用于形容炸弹5. baby boom 专有词婴儿潮(baby boom)这个词的首次出现,主要是指美国第二次世界大战后的“4664”现象--从1946年至1964年,这18年间婴儿潮人口高达7800万人。6.B bring about 带来 电脑科技会给商业管理带来前所未有的进步。7.B by 后面有had already left,是一种完成时态的标志,必须用可以引导完成时态的by8.C banner 旗帜在游行中JOHN扛我们的校旗。D应该是signal信号9.A brisk walk in cool weather is invigorating. 在凉爽的天气里轻松地散步令人心旷神怡。10.A.deceived 弥漫的烟雾掩盖了敌人的行踪。11. B accurate 精确 现在的导弹更精确了,能打中20米以内的东西。12.Abe accused ofbe charged with 就这个搭配的区别13.be patient with固定搭配14. to a wild extent to...extent经常用,表示到达怎么样的程度,什么样的范围15. raise 养 cultivate培养,一般和人才搭配。grow和植物搭配16.B seated 毫无疑问,一个句子不能有两个谓语,排除C sit D satA没有这样的词17.benefits 利益18.A. character 19.D probablepossible作定语要放在名词后面 如everything possibleliable+介词to/for likely肯定不对以后题目别一大堆出来,做死人了。。。。
2023-01-02 00:15:3911

请翻译一段话 个人不知道怎么说好了~~

As people"s living standards improve, people pay more attention on how to eat well, eat healthy, not as in the past, only concerned with Chi Debao. Therefore, nutritionists this career is very necessary. In China, and this related to vocational training of professionals simply not be able to meet the needs of society. Compared to developed countries, China in the nutritional aspects of a shortage of professionals, nutritionists employment prospects are very broad.参考
2023-01-02 00:16:163

请帮我翻译。。急。。谢谢

Ding Lei: Chinese version of the myth of entrepreneurship In 1993, the 22-year-old Ding Lei from Chengdu University of Electronic Science and Technology graduate, returned to his hometown of Ningbo, to be a staff of the bureau. If in the 1980s, proficient in computer programming and Ding Lei may be deemed to be the backbone of the business unit"s training. Ten years later, perhaps technology will be an assessment model or senior engineer. However, Ding Lei did not follow the path of the inertia of history. As a result, 10 years later, Ding Lei of China"s Internet has become a symbol of one of the characters. In 2003, "Fox" rich list on the mainland, the 32-year-old Chinese young people become rich first. Ding Lei of the times that may be given. If young Bill Gates or Steve Jobs in the United States to provide start-up version of the myth, Ding Lei from scratch for this story, has added a Chinese samples. Ding Lei, of course, the experience can be interpreted as knowledge of the fate of change, however, is the gradual changes in the market economy ultimately affect his life and myth venture possible. Ningbo to the bureau"s experience, Ding Lei recalled that very hard. In the "hard" for two years, Ding Lei decided to resign. His decision was strongly opposed to the family. But the fact is, in 1995, before and after the resignation of the sea has to find another job or is not uncommon. The traditional employment system for state-owned enterprises in the new economy is subject to the impact of market forces. After many years, Ding has been to describe the feeling when they first arrived in Guangzhou: "unaccompanied, the prospects for the future." Guangzhou in the first few years, Ding has been doing technical work behind the scenes. Before and after 1995, China"s opening up the World Wide Web started to feel the heat. In this market economy forward position, Ding Lei of Internet aware of the potential business opportunities. Yahoo founder Jerry Yang in about 3 years later, in May 1997, Ding Lei incorporated in Guangzhou, the company Netease. Over the same period, to join the upsurge in people who are Charles Zhang, Wang Zhidong, and so on. They may see a potential may be - in a mature business rules and market environment, the Internet as a cause. This may be more open, more market-oriented provided by the Chinese. Ding Lei of the financing comes from the Gulf of venture capital. At that time, according to the bank"s general practice, Netease profit this uncertainty, and no fixed assets of the privately-run small companies can not count on bank loans. At that time, venture capital into China, and less than 10 years, Netease Zhengfengqishi. With the traditional mode of operation, this time Ding Lei need a good business model. In June 2000, when NetEase Nasdaq listing in the United States, the concept of Chinese enterprises listing overseas is not much history of the overseas listing of only a few hundred years. Although listed as a result of the closing price on the day below its IPO price, NetEase has been described as a "bleeding market," Ding Lei, but the value is estimated to be up to 220,000,000 U.S. dollars. From the founder of Netease value to Yu Yi, Ding Lei only three years. One and a half years ago, NetEase shares in the once hovered around 0.5 U.S. dollars, some people have described him as the stock is in the hands of a pile of waste paper. October 15 this year, because of Netease stock price soared all the way, this day is Ding Lei boarded the throne of the richest man in China. To start from scratch from the richest man in China, Ding Lei has only six years. This is obviously not a traditional institutions and traditional industries can be under the myth of the birth.
2023-01-02 00:16:274

英语改错题 说明理由he promised to support whomever of the Republican prospects was chosen

whomever -----whom
2023-01-02 00:16:413

英语翻译 就业前景

学英语专业很有发展的,至少现在社会上需要这样的人才,不论你是翻译也好,或是其他的,只要你会英语的话,就一定不会愁没有好工作的,英语老师也好,做翻译更是不错,何况现在很多的设备上面都是用英语写的,
2023-01-02 00:16:576

高分求翻译!!一小段

As the internet as an e-commerce based on the internet have gradually become a new mode for commercial activities, more and more enterprises and individuals to carry out business activities through the internet, e-commerce is very attractive, the prospects for commercial information security is the first problem. from the implementation of e-commerce, security framework for electronic commerce in the various security technology was analysed and to explore an effective and safe Security of the way. managing e-commerce
2023-01-02 00:17:192

future prospects是什么意思

未来展望亲:高老师祝你学习进步,每天都开心V_V!望采纳,thanks!
2023-01-02 00:17:271

这句英语例句翻译有问题吗 教育或许决定了人的工作机会

这不是一个完整的句子。 who hold the key to decide their job prospects是形容(修饰、定义)people的,所以结尾不应该是句号。需要加上一些成分使其成为一个真正的句子,如There are lots of people who hold the key to decide their job prospects in the world.
2023-01-02 00:17:331

英语语法分析?

这是 if引导的条件状语从句,despite就只是个介词,不能引导状语从句的,if引导的整个句子是主语,then后面那个句子是谓语,what引导的句子修饰前面的warning。
2023-01-02 00:17:393

复合与复杂含油气系统的描述方法

(一)含油气系统的基本内涵含油气系统的基本内涵随着它在油气勘探中的作用不断增强而深化,主要体现在三方面:首先是对含油气系统概念的理解,认识到含油气系统是与一套或数套有效烃源岩相联系的、由烃类运移和聚集过程所涉及的三维地质单元构成,包含有效生烃灶形成的所有油气藏,也包括形成这些油气藏必不可少的地质条件和过程。既然是三维地质单元,就可以通过恰当选择成图的界面和内容,将其有效地重现在勘探家面前,从而使寻找有利目标的勘探更加有的放矢;第二是将中国含油气系统特征与含油气系统原始概念相对照,感到原始概念不能完全涵盖中国的情况,尤其是前述中国大型叠合盆地中存在的以烃源岩相联系的各含油气系统之间的烃类串通和烃类损失,使得对这类系统的划分与评价更为复杂,需要发展含油气系统的概念,用复合含油气系统概念作为对 L.B.Magoon以前提出的原始概念的补充和完善;第三是认识到研究与评价含油气系统,目的是客观评价勘探目标含油气性的优劣,要为勘探部署提供依据,其研究核心是通过过程追踪,建立油气成藏主控因素与地质作用过程在时间和空间中的组合关系,并通过运聚单元的划分与评价,有效地指出地质历史上形成的并保存至今的油气藏分布位置,从而最大限度地减少勘探风险。因此,它需要有一系列表达过程研究与系统划分、分级评价与目标预测的评价成果图件。不论是成图内容与表达方式,还是生成图件的规范要求,都需要仔细甄选,详略搭配,否则就很难体现出含油气系统评价的优越性。含油气系统的研究应从生烃灶的确定开始,这是基础。生烃灶的确定包括有效烃源岩的层段分布、空间范围、质量与潜力,也包括生烃历史,要确定大量生、排烃关键时刻以及生、排烃的空间范围。在确定主要生、排烃期之后,需要研究主要有效烃源岩顶面古构造面貌与相关的古流体势演化史,以判明油气的去向,并划分运聚单元。在此基础上,在油气运聚最主要的单元内,研究输导油气的网络,判明已经运移的油气主要沿哪些优势通道发生了运移,同时研究运聚单元内与优势运移通道相联系的各圈闭可捕集油气的空间即可供油气“宿住”空间(包括储层孔隙体积与圈闭空间)的变化,进而确定含油气系统的边界,并评价勘探目标的含油气性与丰度(图6-27)。从上述可见,含油气系统研究的核心是过程恢复,重点是“六定”:①定源,对生烃层位、分布、质量与生烃史准确定位;②关键时刻定期,既要准确掌握大量生烃和排烃的时间段,也要确定已聚集油气再运移和受破坏的时间;③运移定向,准确判定不同时期发生运移的油气(不论是来自生烃灶的,还是已聚集再运移的)主要去向;④运聚单元定界,确定各运聚单元的空间展布形态与范围,并根据汇聚流线、生烃灶与各单元输送油气的条件(如排烃条件)、优势运移通道网络发育程度等,定性判断各运聚单元油气聚集丰度;⑤资源评价定量,含油气系统的边界是油气运移和聚集事件波及的最大外边界,通过对运聚单元内已发现储量和未发现潜力的统计,可以建立生烃量、运移量与聚集量之间的关系,根据这些条件,能更准确地确定油气资源评价的关键参数,对资源总量的估算更客观也更准确;⑥勘探目标评价定级,通过对三维空间成藏要素与作用过程的组合关系以及在地史中关系变化的追踪分析,更客观、较准确地评价已发现勘探目标(Prospects)和尚未发现目标(Leads)的含油性与优劣,这是含油气系统研究与评价的目的之所在。图6-27 含油气系统描述的基本内涵总之,深刻理解含油气系统评价的内涵,是做好评价的基础和创造性地深化并发展研究的源泉,也是含油气系统评价成果指导油气勘探实践比传统石油地质综合研究更能见实效并显现出较大优越性的前提。扎实细致的基础研究工作,指导勘探的强烈意识,再加上创造性选择再现油气成藏过程的成图内容,是将含油气系统研究与应用向前推进的有效途径,也代表了含油气系统研究的未来。(二)含油气系统的描述方法1.实现途径复合含油气系统描述就是综合应用石油地质学及相关学科的理论和技术,通过选择合理的成图界面和参数,刻画含油气系统空间展布与结构特点,再现油气藏形成与调整过程,目的在于客观评价油气资源和追踪确定有利勘探目标。复合含油气系统的描述分为对各简单含油气系统的表征(这一阶段可借用L.B.Magoon等(1994)的结构图解法)和对复合含油气系统综合划分与评价两个阶段。前一阶段是后一阶段的重要基础。整个过程强调动态恢复,可以分7个相互关联的步骤(表6-3):(1)烃源岩表征:确定烃源岩的空间范围、质量、生烃潜力与生烃历史。(2)通过对烃源岩热模拟和油气藏成藏年代学方法正、反演分析来确定关键时刻。表6-3 复合含油气系统的描述方法(3)在关键时刻界面上研究确定来自生烃灶和已聚集再调整的油气的运移流向和流量,并据此划分运聚单元。(4)对不同含油气系统的油气运聚单元空间叠合性进行分析,依油气聚集规模、丰度和汇聚资源总量划分运聚单元的主次。(5)在上述基础上,划分复合含油气系统,并从资源空间分配,资源集中度、系统可靠性与目标的把握程度,综合评价含油气系统的资源总量、主运聚单元与有利区带。(6)依评价的可靠性,筛选目标并提交勘探部署建议。上述描述过程突出强调生烃灶确定、过程恢复与油气空间分配三方面研究在含油气系统客观划分与评价中的重要性。生烃灶与生烃历史的确定是含油气系统建立、划分与评价的基础,强调对主要生烃层系的层段与平面分布、规模、质量与生烃潜力以及生烃历史的分析和确定,尤其要把握大量生烃与液态窗保持期间,有效生烃灶展布范围与生烃总量在整个历史上的分配和变化,可以借助盆地模拟的结果、成藏研究成果与构造和热历史分析结论加以综合判断。对油气自生烃灶生成并排出以后,油气运移过程的追踪分析,是含油气系统过程研究的核心,也是做到对含油气系统范围内油气空间分布客观预测的关键。为了更好地追踪油气运移历史,并能在关键时刻展示油气的空间分配,作者在相关文献中提出了一些术语,按照这些术语的定义和要求,有意识地加强一些方面的研究,实现石油地质家多年梦想———有效确定地下含油气最有利目标的愿望,就为期不远了。(7)与油气运移有关的几个术语a.油气运移分隔槽:是指烃源岩层顶面的流体势最高等值连线,常表现为烃源岩顶面的最低构造等高点的连线(即谷线)(图6-28)。在这一谷线两侧的油气基本上呈相背运移,谷线两侧烃源岩系所生成的油气互不穿越。b.汇聚运移流:是在油气运移的流向上由一组与烃源岩层顶面流体势最低等值线垂直相交并呈汇聚的流线组组成,常表现为烃源岩顶面构造等高线的脊线。这一组汇聚流线决定了油气运移的集中性与优势流向。那组汇聚流线即为汇聚运移流(图6-28)。图6-28 油气运聚单元与相关术语含义c.发散运移流:是由一组由与烃源岩层顶面流体势等值线垂直相交并呈发散状流线组组成的,它决定了油气运移呈分散状,而无优势汇聚运移存在。很显然,发散流导致油气的分散,难有大型油气聚集的产生。d.油气运聚单元:是由一组汇聚流线确定的,并由油气运移分隔槽与油气运移的最大外边界圈定的,可供实现油气运移—聚集全过程的三维地质单元(图6-28)。很显然,油气运聚单元是油气勘探目标的主要分布区。在这样的范围内开展深入的石油地质综合研究,尤其是对成藏地质要素与作用过程在三度空间的组合关系进行分析,就更为有的放矢。如果把与一个相对独立的生烃灶关联的所有油气运聚单元的空间边界都能勾画清楚,那么这个含油气系统的划分就完成了。油气运聚单元是介于含油气系统与油气成藏组合之间的含油气地质单元。油气运聚单元小于含油气系统的规模,但可包含数个油气成藏组合。将一个含油气系统可划分为数个油气运聚单元,它们聚集油气的数量与其中各勘探目标接受油气的概率是不同的;在一个油气运聚单元之内,可包含多种类型的油气成藏组合。(8)油气运移流向的确定油气运移流向的确定需要借助地质、地球物理与地球化学方法来实现。从程序上则要从烃源岩分布与生排烃历史的分析开始,首先要对主力烃源岩的层段与平面分布加以准确的确定,并对其质量与生烃潜力进行客观评价。在此基础上,通过烃源岩生排烃历史与地质历史中造成已经聚集油气散失、破坏和调整变化的构造运动性质与历史的分析,逐一列出决定油气运移发生的关键时刻。围绕着这些关键时刻,选好成图界面和成图内容,对决定油气运移流向的各关键地质要素在三维空间的变化加以描述,以综合判定油气去了什么地方,在什么地方遭受了破坏,在什么地方有多阶段继承性聚集与现今有哪些地方保存了最多的油气藏。在此过程中,不同阶段油气运移(三维)最大外边界的判识和确定,对于最终划定含油气系统的空间范围是十分重要和必不可少的。在上述过程中,以下几项工作是十分必要的。(1)烃源岩成熟阶段顶面起伏形态。烃源岩成熟阶段顶面起伏形态是指当烃源岩大规模进入油窗并有大量液态烃类排出时,其顶面的构造起伏状态。它决定了一个含油气系统内部油气从生烃灶排出后的第一次去向;也包括烃源岩大规模进入气窗时烃源岩顶面的起伏变化。在多旋回叠合盆地的复合含油气系统中,烃源岩的数量往往有多套,上述过程往往有多次反复。确定烃源岩顶面起伏形态的重要手段是编制烃源岩顶面在生排烃关键时刻的古构造图。这是一张对判定油气运移流向最关键的图件。图6-29 是一张油气成藏过程分析图,实际上反映的是烃源岩大规模成熟和排烃关键时刻,烃源岩顶界的起伏形态与由此决定油气运移流向及可能有的最佳与最差成藏区。有了这样一张图,地质历史中哪些地方最有可能形成油气聚集(如图6-29中 A、B、D区),哪些目标虽有油气的光顾却无缘形成聚集(如图6-29中 C与 D的大部分)就都一目了然了。(2)与烃源岩相关输导层与通道的几何形态与产状。输导层和通道是将油气从生烃灶输送至聚集场所的中间桥梁,决定了流体优势运移的轨迹与目的地。对输导层的研究可以归结为“层、面和网”的描述。“层”即是指与烃源岩呈指状交互的同层沉积储集体的平面分布或是指由中间环节(如断层)与烃源岩相连接的非同层、呈面状分布的储集体。图6-29 油气成藏过程分析图层状输导层的研究主要注重其几何形态、内部非均质性与其顶面的起伏形态。它们是油气移入之后,决定其运移方向与优势流动方向的关键。“面”则是指输导油气的不整合面与断层面,上述两面能否在油气运移中发挥作用,一是取决于与烃源岩的关系,即能否有油气移入;二是两个面的输导性能。很显然,与不整合面相关的风化淋滤带的发育程度与断层的开启性都对油气运移的通畅程度、轨迹与数量有重要影响。“网”则是指由带状沉积体、断裂与裂缝构成的可供油气运移的不规则网状通道,对这类通道的描述虽然相当困难,但其一经形成,就极有可能成为流体优势运移的通道,值得含油气系统划分的高度重视。(3)油气藏调整与改造阶段剥蚀量与剥蚀面起伏变化。油气藏调整是指在前一个或数个关键时刻,已有的油气聚集因构造变动的原因发生了再次运移,使原有的聚集发生变化或消失,油气运移到新的圈闭再聚集。油气藏的改造则是指已经聚集的油气藏在构造变动中发生破坏,或者由于剥蚀而被氧化,或者由于失去封闭而散失。油气藏的调整与改造期也是复合含油气系统的关键时刻。这个阶段可能没有来自生烃灶的大量油气的运移,却有已有油气藏中油气的再运动,直接影响含油气系统边界的确定与系统内油气资源量的客观评价,因此是值得研究的关键时刻。围绕着油气藏调整与改造发生的关键时刻,研究工作主要集中在构造运动性质、波及范围与造成的剥蚀量平面分布与变化的分析之上,同时还要做好剥蚀面及与之相当界面的构造起伏形态的分析,实际上是古构造研究的又一种形式。在此基础上,要对前一个或数个阶段曾经形成的油气聚集的变化加以研究,从中不仅要了解那些在运动中已经被改造的油气藏的分布,还要了解在运动中被调整的油气藏的分布与调整数量的变化。图6-30便是一张围绕油气藏调整与改造阶段所做的构造分析图,在于判明油气藏调整与改造破坏的情况。该图是图6-29所示古油气聚集的调整与改造。图6-30中可见,原有的油气聚集(如 A、B与 D聚集区)都在后来的构造变动中消失,一部分被散失,另一部分调整到在运动中形成的新圈闭中聚集(如图6-30 中 G)。与此同时,来自源区新生成的油气在新圈闭中继续聚集,还有新油气藏的生成(如图6-30 中 H)。可见,在油气藏调整与改造阶段,剥蚀量与剥蚀面起伏形态的分析对于追踪油气运移轨迹,判明油气流向与油气保存与逸散的客观情况是重要的,对于准确划出含油气系统的最大外边界也是有助的。图6-30 油气藏现今分布预测评价图(4)流体历史分析。流体历史分析是确定油气运移与聚集历史的重要手段,主要包括流体化学史与流体动力史。流体化学史主要指水化学史,通过对地层水常规水化学参数(矿化度、钠氯系数、钙镁系数、脱硫系数、硫氯系数与碳酸平衡系数等),氢(δD)、氧(δD)同位素与油田水有机地球化学分析(轻烃组成、芳烃三维荧光与有机酸)来判识油气运移方向、聚集区与油/气藏的保存条件。流体动力史的核心是水动力史,这是盆地演化过程中水文、地势、沉积埋藏和构造作用的综合结果,流体动力史的分析含现今水动力与古水动力史两个方面,其中油气成藏关键时刻前后流体势分析是流体动力史研究中行之有效的方法之一。流体势反映了地下流体的潜在流动能力,是构成油气运聚成藏的动力学框架和背景,古流体势的恢复有助于从动力学角度对油气的运聚成藏问题有一个深刻的认识。流体总是由高势区向低势区运移,而且总是指向势能减小的势梯度负方向,因此,只要对油气成藏关键时刻前后的构造起伏和主水文排泄区分布把握准确,就可以通过流体势场划分、确定出油气的主次汇聚区,从而选定油气聚集的有利区带。2.含油气系统描述的构成与基本方法含油气系统是自然界客观存在的烃类流体系统,发生并存在于特定的地质体中。因此,它具有空间和时间的含义。“空间”包括了地层(垂向)、地理(平面)与赋存(储集)3个方面。因此需在剖面上确定一个含油气系统所能包括的地层段和在平面上储集体与油气聚集所能涉及的最大范围。一般来说,一个含油气系统的顶底界主要由区域性盖层与有效烃源岩层段限定,而范围则以有效烃源岩展布、油气运移所涉及的最大外边界来包络。因此,有效烃源岩三维空间分布、储集体形态、储集空间与封隔流体系统的区域盖层所覆盖的地质体形态是“空间”研究的主要内容。论及“时间”,是指系统从生烃开始到聚集被改造之前的那段时间,包括系统形成的持续时间与系统产生后被保存的时间。因此,含油气系统的描述可以据其定义概括为基本要素的确定、各地质作用过程恢复及要素与过程三维空间相互关系的建立(见图6-27,表6-3)。1)含油气系统基本要素的描述(1)活跃烃源岩(Active Source Rock)的表征。活跃烃源岩是指成熟并生、排烃的源岩。“活跃”一词包含了烃源岩成熟生烃、有商业性规模的烃量发生了运移以及源岩潜力三层主要含义。烃源岩生烃和排烃可归入含油气系统地质作用与过程分析。活跃烃源岩的描述可以抽象为层段、范围、潜力与关键时刻的确定。“层段”是指成熟烃源岩在剖面上由顶底板所包容的地层单元,它包含了门限、生油气死亡线与厚度三项地质内容,对其描述的产品是有效烃源岩等厚图与有效烃源岩顶界 R0 等值线图。证明源岩有效的最直接的证据是在已经聚集的商业性油气藏与源岩之间建立起密切的对应关系。因此,活跃烃源岩的描述还包括了油-源、气-源对比及其相应图件。烃源岩的潜力是决定源岩有效性的另一项重要指标。剖面上一系列反映源岩潜力的数据(如热解生烃潜量(S1+S2),有机质烃转化率(“A”/TOC,HC/TOC),反映母质类型的参数(氢指数 IH ),显微组分构成与干酪根类型等与平面上反映生烃强度(生烃量(m3 )/面积(k m2 ))的图表可描述烃源岩潜力。提供的主要描述图件是一系列剖面图与生油/气强度等值线图。“时刻”代表了生油岩进入生烃门限、高峰与生烃结束的综合时间及对应的深度,可由以下图件来反映:镜质体反射率(R0)与深度的关系曲线、实钻与由地震选取的人工井点上的埋藏史曲线、时温指数(TTI)值及由此换算得出的 R 0 与 TTI等值线图。活跃烃源岩的表征按以下顺序来研究:油-源与气-源对比;烃源岩层段确定;烃源岩生烃门限确定;有效烃源岩展布;生、排烃关键时刻确定。(2)输导层(Carrier Bed)分析。输导层是将油气从生烃区输送至聚集地的中间桥梁,决定了流体运移的轨迹和目的地。对输导层的研究可以归纳为“层、面、网”的描述。“层”即是指输导层,包含了输导层的产状与连续性两重含义。输导层研究的关键是在剖面上选取最靠近烃源岩或与之侧向交接的储层,平面上从烃源岩起步,向上倾方向分析,时间上以生烃关键时刻前后为主,分析输导层产状、输导层相带与几何形态。产品是关键时刻前后输导层构造起伏、储集体几何形态与连续性及成岩相的叠合图;“面”是指不整合面与断层面,集中在参与了输送油气的不整合与断层的研究上。需要对不整合面延展范围、断层面产状与两面的起伏形态进行分析,产品主要有关键时刻前后不整合面与断层面起伏形态图;“网”是指由输导层、不整合、断层和裂缝不规则连接为流体运移提供的通道,需要对主输导层与不整合和断面的接触情况、分组断层与裂隙的开启性进行研究,描述油气运移的最大可能路径。对输导层可按以下顺序进行描述:关键时刻前后烃源岩顶或输导层的古构造形态;输导层岩性与岩相平面分布与关键时刻前后所处的成岩相划分;关键时刻前后应力场与断裂组合;关键时刻前后与输导层连接的不整合面的起伏形态。(3)储集岩(Reservoir)描述。作为含油气系统的基本要素,储集岩必须能够容纳一定量的烃类流体,并使之能聚集成藏。储集岩的研究主要是储集空间与连续性的描述,可概括为岩性、岩相、几何形态、成岩和储油性能等5项内容。提供的主要图件是流体排泄区储集岩分布图、关键时刻储集体岩相分布与不同岩性、不同岩相储集岩物性统计表。可按以下顺序对储集岩进行描述:接受流体的储集体岩性、岩相与几何形态分布分析;关键时刻前后储层岩相划分;储集体综合分级评价。(4)盖层(Seal Layer)研究。这是指在关键时刻决定含油气系统地理范围与油气聚集的岩层单元,决定一个含油气系统的有效边界,包括“区域”性(间接)与“局部性”(直接)盖层。前者是阻隔并限制流体在三维空间分布范围的岩层,连续性延展范围与封闭能力是其研究的主要内容;后者则是在运移路径上对油气聚集起直接封堵作用的岩层,储盖组合与延展范围是局部盖层研究的重点。盖层研究的主要成果是盖层等厚图与不同岩性、厚度对油气封盖能力的统计曲线。可按以下顺序来描述盖层:盖层突破压力与岩性关系曲线;盖层厚度与封盖能力统计曲线;最靠近烃源岩的区域性盖层展布描述;流体排泄区与储集体共生盖层描述;关键时刻盖层开启性诊断。2)含油气系统地质作用过程的描述如前所述,基本要素是含油气系统的物质组成,而把四大要素在时空上的组合关系建立起来,即是对含油气系统地质作用和过程的描述。掌握含油气系统的地质作用过程在一定程度上比掌握基本要素更重要。(1)油气生成过程的研究是对有效生烃岩从进入门限那刻开始到生烃结束全过程进行恢复的描述,包括了生烃关键时刻(门限、生油高峰与生气高峰、生烃结束)、有效源岩展布、生烃持续时间与生烃总量三层含义。可按以下顺序确定并建立过程:生烃门限、生油与生气高峰期与生烃终止对应时间的确定;各阶段有效烃源岩分布与体积;不同阶段产烃率统计分析;不同阶段生烃强度与生烃总量。(2)油气运移研究是探讨源岩生成的油气排出母体、进入输导层至发生聚集之前的运动。包括初次运移与二次运移两个环节,可概括为运移量、路径与方向的描述。含油气系统分析中的运移研究主要提供关键时刻前后烃源岩顶面或输导层顶面流体势等值线图、初次运移层段、时期与动力分析图、输导层产状与构造起伏形态。(3)油气聚集研究归结为成藏过程与成藏期的综合分析,包括油气运移汇聚区生储盖组合、油气汇聚量、运聚期与持续时间的分析。因此,由油气运移分隔槽所圈限的汇聚区在关键时刻前后的范围、汇聚烃量的分析、油气藏充注期次、关键圈闭容积、油藏丰度的确定及其相关图表是油气聚集研究的主要内容。(4)圈闭形成研究主要是对有效捕集油气目标的分析,包括圈闭类型、构成(生储盖组合与储集空间)与分类分布的图件,构造圈闭形成期与有效圈闭筛选分析,以及近源非构造圈闭的描述与图件。(5)成藏要素及作用的组合关系的确定是对一个含油气系统在三维空间分布面貌与特征的综合。综合的关键是以该系统的油气聚集与分布最主要的地质时刻为坐标,将各地质要素的展布叠置组合起来,分级评价出含油气概率和丰度不同的勘探靶区,选出可供进一步钻探的目标,画出以时代(间)为横坐标、成藏各要素为纵坐标的油气成藏事件剖面图,标注有已知油藏、油气显示与干井的含油气系统综合分析图、有利区带和目标评价图是成藏地质要素及作用组合关系研究的主要成果。(三)复合含油气系统的评价本文所论述的复合含油气系统的评价主要涉及复合含油气系统成藏条件的定性或半定量评价、油气资源评价及有利勘探单元评价与排队(图 6-28),评价方法还不成熟。对成藏条件,首先在含油气系统描述基础上,进行地质条件半定量评价,我们建议的评价标准如表6-4所示。对表6-4中油气充注、圈闭、运移、保存、关键时刻匹配关系等5项条件依据复合含油气系统的具体情况进行概率取值,然后将它们的乘积作为复合含油气系统的评价值,可以概率分布形式来表示,其结果可作为勘探选区的参考。表6-4 复合含油气系统评价标准油气资源评价是在对被评价区地质特征深刻认识与开展油气资源评价参数研究和取值的基础上,通过对适用有效的评价方法选择,综合测算含油气系统内部油气资源总量、分布、质量与经济性。在此基础上,根据油气资源空间分配、各运聚单元内各区带和目标接受油气数量与聚集丰度的不同,可分级评价勘探靶区和目标的优劣与经济价值。
2023-01-02 00:17:511

英语翻译 追加高分

Dear ... (company): Hello, we are ... the company, from China. Last time when business travel to Europe to see your company ... the brand, we of the brand "..." brand philosophy and business model was very interested. After returning home, we did a careful market research and analysis, we found your company"s clothing brands in China has great market potential. Department of deliberations by the company after the market, it is your company would like to sincerely carry out cooperation in various forms and to introduce your company"s brand sales in China. (Co-operation could be joining the exclusive agent in China, such as exclusive franchising model can also be co-operation agreement between the other way) Our branch is located in the provincial capital, Guangzhou, Guangdong Province, with its headquarters in a financial center in Asia - Hong Kong, as a staff of more than 300 apparel retail companies, we have succeeded in operating the two clothing brands, sales channels with a stable and rich market operational experience, and the agent of your company have sufficient confidence in the brand. China"s vast territory, a population of nearly 1.4 billion, has a huge market. Survey data show that 5 years, China"s GDP are more than 10% growth expected by 2015, the Chinese luxury goods consumption will account for 32 percent of the global market, more than Japan, has strong prospects for development. With the progressive development of the economy, the Chinese consumer demand for apparel is growing, we are optimistic about your brand in China"s development prospects, coupled with the brand of our company operations and retail industry experience, I believe that your brand can be fully and successfully to the Chinese market. We hope that a more detailed understanding of your company"s brand culture, business philosophy and related agents, such as cooperation information, ask your company information will be Email to the following e-mail address, and look forward to an early conclusion of mutually beneficial cooperation. Our Contact: Sincerely look forward to your reply. Chung Kei Arrange Guangzhou Branch .
2023-01-02 00:18:403

专业英文双向翻译

1.标题翻译:Analsis on the Prospects of the Bilateral Trade Relations Between China and Cambodia in the Post-crisis Era2.应改为:Analysis on the prospects of the bilateral trade cooperation between China and Cambodia under the background of the post-crisis era(而且作为论文标题的话除了冠词和介词外,其他单词首字母都要记得大写,这是规范,你应该懂的)
2023-01-02 00:18:524

说一个人有出息,出息是什么意思呢?

有为,能干
2023-01-02 00:19:067

for education对吗

这个句子是正确的 意思是 你认为网络教育有什么样的前景? are作宾语prospects的be动词 你说的句式无法涉及对于前景(prospects)的提问
2023-01-02 00:19:311

急需 培根 英文介绍!!!

Francis BaconFrancis Bacon(1561-1626) was the founder of English materialist philosophy(唯物主义哲学)。 He was born into the family of Sir Nicholas Bacon, keeper of the Privy Seal(御玺) to Queen Elizabeth. The boy early won the favor of the Queen. He went to Cambridge at twelve and after graduating at sixteen, took up law. He soon became one of the most successful lawyers of the time. At twenty-three he became a member of the House of Commons(下议院) and his judgment and eloquence(口才) made him famous. When James I came to England, Bacon obtained one important office after another until he became lord Chancellor(大法官) and was made a peer (nobleman) in 1618. He was an admirable judge, but in the course of rising he had made enemies who charged him with bribery (受贿)。 He was convicted (判罪) deprived (免去) of his office, fined and banished (流放) from London in 1621. Five years later, he died in disgrace (耻辱)。 Francis Bacon, lawyer, statesman, philosopher and master of English tongue, is famous not only for his philosophical works, but also for his essays.In 1597 he published a collection of ten essays, which were afterwards increased to fifty-eight, including the well-known one “On Reading”, whose title is actually “Of Studies”。 These essays cover a wide variety of subjects, such as love, truth, friendship, parents and children, beauty, studies, youth and age and many others. They have won popularity for his clearness, brevity (简短) and force of expression. Many of his sentences have become wise old sayings—“Men fear death as children fear to go in the dark,” “Reading makes a full man; conference a ready(敏捷的) man, and writing an exact man”。 “Some books are to be tasted, others to be swallowed, and some few to be chewed and digested.” This is a very famous saying from “Of Studies”。 No advice is better than this. It tells us how to read different kinds of books.
2023-01-02 00:19:403

英语翻译

- -# 好难
2023-01-02 00:19:526

“前途是光明的,道路是曲折的!”标准的英语怎么说?

三种说法:The future is bright;The road is tortuous.http://forum.cloudworld.net/showthread.php?t=33404&goto=nextoldestWhile The prospects are bright, The road has twists and turns.http://wyx.swpi.edu.cn/bbs_display.asp?quote=y&banid=16&topic_id=733&page=1&id=2733&user=t&userid=2733The road is tortuous, but the prospects are bright. http://www.sinobay.com/senall/25.htm
2023-01-02 00:20:144

目前的形势似乎给谈判前景蒙上了一层阴影用英语怎么说?

目前的形势似乎给谈判前景蒙上了一层阴影。The current situation seems to cast a shadow on the prospects of the negotiations.
2023-01-02 00:20:543

关于家庭主妇和其优缺点的英语作文

Be a Housewife or a Career Woman Nowadays,as the women"social status rising,more and more woman have their own careers,and doing housework is not a sole thing for women.The situation has aroused a hot discussion on being a housewife or a career woman.Some people approve that women should be a career woman ,just making money for themselves,they can have rights,the others disapprove that they think women should stay at home,and take care of baby and do housework.As a woman,i support firmly the former.My reasons are as follows; For one thing,if a woman be a housewife,she won"t have any income ,and she always need to ask her husband for money.May be her husband"incomes are enough to support the family and he loves her very much.He don"t mind this, but after a long time,she can"t sure that her husband won"t complain with her.He may think that he has a lot contribute to the family,and he may ignores her contributions to the family.He can think that she just do some housework but nothing,but he bears so much work pressure.Additional,currently,the domestic services industry has been developing very well.We can hire a nurse,and many nurses have been trained before they start working,so they may do housework better than ourselves. I think"Man and woman are equally" is not just a slogan,as a woman ,we should practice it.Working is not a sole thing for men.We should be a career woman,for ourselves and our families.
2023-01-02 00:21:062