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丁南庆的作品及获奖

2023-08-02 18:00:51
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北境漫步

1 Lixin Mao and Nanqing Ding, Relative cotorsion modules and relative flat modules, Comm. Algebra (to appear) 2 Lixin Mao and Nanqing Ding, Relative FP-projective modules, Comm. Algebra (to appear) 3 Lixin Mao and Nanqing Ding, The cotorsion dimension of modules and rings, Lecture Notes in Pure and Applied Mathematics, to appear 4 Lixin Mao and Nanqing Ding, FP-projective dimensions, Comm. Algebra (to appear) 5 Lixin Mao and Nanqing Ding, Notes On cotorsion modules, Comm. Algebra 33 (2005), 349-360 6 Lixin Mao, Wenting Tong and Nanqing Ding, On almost precovers and preenvelopes, Acta mathematica scientia (to appear) 7 Lixin Mao, Nanqing Ding and Wenting Tong, New characterizations and generalizations of PP rings, Vietnam J. Math. 33(1)(2005).1-14 8 Guangshi Xiao, Nanqing Ding and Wenting Tong, Regularity of AP-injective rings, Vietnam J. Math. 32(4)(2004), 399-411 9 Jianlong Chen, Nanqing Ding and M. F. Yousif, On Noetherian rings with essential socle, J. Austral. Math. Soc. 76(1)(2004), 39-49 10 Jianlong Chen, Nanqing Ding and M. F. Yousif, On generalizations of PF- rings, Comm. Algebra 32(2)(2004), 521-533 11 Jianlong Chen, Nanqing Ding and M. F. Yousif, On a generalization of injective rings, Comm. Algebra 31(10)(2003), 5105-5116 12 Nanqing Ding, M. F. Yousif & Yiqiang Zhou, Modules with annihilator conditions, Comm. Algebra 30(5)(2002) 13 Jianlong Chen, Nanqing Ding, Yuanlin Li and Yiqiang Zhou, On (m, n)-injectivity of modules, Comm. Algebra 29(12)(2001), 5589-5603 14 Jianlong Chen & Nanqing Ding, On regularity of rings, Algebra Colloq. 8(3)(2001), 267- 274 15 Jianlong Chen & Nanqing Ding, On generalizations of injectivity, International Symposium on Ring Theory, edited: G. F. Birkenmeier, J. K. Park and Y. S. Park, 2001, 85-94 16 Zhang Ji Ping, Wang Jian Pan, Xiao Jie & Ding Nan Qing, The representation theory of groups and algebras (Chinese), Adv. Math. (China) 30(6) (2001), 481 -488 17 Nanqing Ding & Jianlong Chen, On a characterization of perfect rings, Comm. Algebra 27(2)(1999),785-791 18 Jianlong Chen & Nanqing Ding, Characterizations of coherent rings, Comm. Algebra 27(5) (1999),2491-2501 19 Jianlong Chen & Nanqing Ding, On general principally injective rings, Comm. Algebra 27(5) (1999),2097-2116 20 Jianlong Chen & Nanqing Ding, On τ-flat envelopes, Algebra Colloq. 6(2)(1999), 169-176 21 Nanqing Ding & Jianlong Chen, Relative covers and envelopes (in Chinese), Acta Math. Sinica 41(3)(1998), 609-616 22 Nanqing Ding, On envelopes with the unique mapping property, Comm. Algebra 24(4)(1996), 1459-1470 23 Nanqing Ding & Jianlong Chen, Coherent rings with finite self-FP-injective dimension, Comm. Algebra 24(9)(1996), 2963-2980 24 Nanqing Ding & Jianlong Chen, On copure flat modules and flat resolvents, Comm. Algebra 24(3)(1996), 1071-1081 25 Nanqing Ding & Jianlong Chen, On homomorphism modules, J. Nanjing University-Math. Biquarterly 13(1)(1996), 32-37 26 Jianlong Chen & Nanqing Ding, On n-coherent rings, Comm. Algebra 24(10)(1996), 3211-3216 27 Jianlong Chen & Nanqing Ding, A note on the existence of envelopes and covers, Bull. Austral. Math. Soc. 54(2)(1996), 383-390 28 Jianlong Chen & Nanqing Ding, On global dimension and E-syzygies, Algebra Colloq. 3(3)(1996), 273-276 29 Nanqing Ding & Jianlong Chen, On maximal essential right ideals of rings (in Chinese), Acta Math. Sinica 38(3)(1995), 303-309 30 Jianlong Chen & Nanqing Ding, A note on flatness and injectivity, J. Nanjing University-Math. Biquarterly 12(2)(1995), 148-151 31 Nanqing Ding, Relatively flat envelopes, Science in China A 37(12) (1994), 1418-1427 32 Nanqing Ding & Jianlong Chen, Rings whose simple singular modules are YJ-injective, Mathematica Japonica 40(1)(1994), 191-195 33 Jianlong Chen & Nanqing Ding, On the exactness of flat resolvents, Comm. Algebra 22(10)(1994), 4013-4021 34 Jianlong Chen & Nanqing Ding, On a generalization of V-rings and SF-rings, Kobe Journal of Mathematics 11(1994), 101-105 35 Nanqing Ding & Jianlong Chen, Relative coherence and preenvelopes, Manuscripta Mathematica 81(3/4)(1994), 243-262 36 Nanqing Ding & Jianlong Chen, The flat dimensions of injective modules, Manuscripta Mathematica 78(2)(1993), 165-177 37 Nanqing Ding & Jianlong Chen, The homological dimensions of simple modules, Bull. Austral. Math. Soc.48(2)(1993), 265-274 38 Jianlong Chen & Nanqing Ding, The weak global dimension of commutative coherent rings, Comm. Algebra 21(10) (1993), 3521-3528 39 Nanqing Ding, GQF-rings (in Chinese), Chinese Ann. Math. Ser. A13 (2)(1992), 230-238. MR 93h: 16027; Zb1.Math.791(1994): 16005 40 Nanqing Ding, On rings of continuous functions, Proceedings of the first China-Japan International Symposium on Ring Theory, August, 1992, Okayama, Japan, 34-36 41 Nanqing Ding, On projective equivalence (in Chinese), J. Nanjing University-Math. Biquarterly 9(1)(1992), 81-84. MR 93i:16012; Zb1.Math.821(1995):16002 42 Nanqing Ding, f.f.p.- Dimension (in Chinese), Acta Math. Sinica 34 (1)(1991), 40-47. MR 92f:16006; Zb1.Math.766(1993):16006 43 Nanqing Ding, Dual modules of specific modules (in Chinese), J. Math. Res. Exposition 10(3)(1990), 337-340. MR 91f:16012; Zb1. Math. 788(1994): 16005 44 Nanqing Ding, Duality in coherent rings (in Chinese), J. Nanjing University-Math. Biquarterly 7(1) (1990), 60-66. MR 92a:16006; Zb1. Math.731 (1992):16001 45 Nanqing Ding, The finitely generated dimension of modules (in Chinese), J. Nanjing University-Math. Biquarterly 6(1) (1989), 107-111. MR 90k:16031; Zb1. Math. 686(1990): 16017

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机械类英语翻译

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I want some envelopes改为一般疑问句?

Do you want any envelopesuff1f
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you havent any envelopes.这句话都是对的吗?

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你有一些信封吗? 怎么翻译

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red envelopes是什么意思

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what else envelopes do you have ?

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A
2023-08-02 02:37:481

会英语翻译的 朋友进来!!

我想一些信封。 你想在大尺寸或小尺寸? 规模庞大,请。 你有任何书写纸? 是的,我们这样做。 我没有任何小垫片。 我只有大企业。你想吗? 是的,请。 我想一些胶水。 一瓶胶水。 我要一个大盒粉笔。一支粉笔我只有小方块。 你想吗? 不用了,谢谢。 是吗? 就是这样。谢谢您。 还有什么你想?还有什么你喜欢/有? 我希望我的改变。零钱不用找了。
2023-08-02 02:37:583

新概念英语一级 测试题 求答案

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2023-08-02 02:38:062

推荐一款A3彩色激光打印机?

彩色激光打印机,以其打印的速度快,打印效果佳,色彩艳丽,打印成本低,打印稿件可永久保存,以及可网络打印等优点,越来越受到人们的欢迎,必将取代黑白激光打印机。但是,由于人们对彩色激光打印机还比较陌生,所以想买也无从入手。 其实,要选购彩色激光打印机,首先要了解自己的打印需求,一般彩色激光打印机分为4类:A4幅面专业级,A4幅面入门级、A3幅面专业级、A3幅面入门级,再大的幅面就没有了。一般入门级产品与专业产品的区别主要在分辨率以及打印语言支持上。以美能达QMS的产品为例,A4产品MC2DLD和MC2+D从外形上没有多大的差别。不过MC2DLD只有600DPI的打印精度,只能用于PC打印。而MC2+D拥有真正光学2400×600DPI的精度,而且可以支持苹果机,用PostScript语言打印,当然打印效果极佳,其色彩准确度和层次方面特别出色,与印刷品的效果非常接近。大多数A4幅面彩色激光打印机价格都在2万到3万元之间,但方正文杰C8000和美能达QMS的MC2DLD在2万元以下。 A3机型的情况也差不多,不过A3的机器价格一般在4万~5万元左右,低档的机型在4万元左右,600×600DPI或者600×1200DPI;高端机型精度都在1200×1200DPI或以上。 在选择彩色激光打印机时,应该量体裁衣,配置选得太高,买来多余的功能,会造成不必要的浪费;选得太低,又达不到自己的要求。以下几个建议,大家可以按自己的实际情况选择参考。 1.办公用户 (1)不需要太高的分辨率,600DPI已经足够。 (2)需要网络打印功能,最好是标配网口的型号,以后再升级可要另外花钱的! (3)打印速度要高,一般的彩色激打都可实现每分钟4页彩色或16页黑白的打印速度。 (4)最好有多个进纸盒,可以减少加纸的次数,也可以放不同尺寸的纸张。 (5)办公用户最好选择可以自动双面打印的型号,双面打印可以节约一半的纸张又减少一半的纸张存放空间,时间也省下一半。而且双面打印给人留下更加专业的印象。 (6)部门众多的公司,可以找一些有分发器配件的打印机,打印稿件可以按要求收集在特定的收集层,不会与其他部门的文件混淆。 2.广告设计出版用户 (1)精度越高越好,起码需要1200DPI的精度,在这样的精度下层次感足够,细节清晰,打印效果经得起推敲。 (2)幅面大有好处,现在彩色激光最大的幅面是A3。选择A3还是A4,当然是要考虑本身的打印要求。 (3)厚纸模式,多种打印介质支持,设计用户要打一些比较厚的纸,有时还要打印胶片等,所以,打印机支持的纸张厚度越厚、介质越多越好。 (4)支持苹果机打印,一般高档的机器都会用PostSeript打印语言,只要支持PostSeript打印,又有网络口,苹果机便可以通过网络进行打印(苹果机没有串口)。 (5)支持ICC曲线。打印机能支持ICC曲线,可以通过一系列的计算机,对打印机的色彩进行校正,使色彩更准确。 但这里要奉劝大家一句,不要盲目相信广告,要亲自看看机器打出来的效果,另外最好自备文件,因为经销商准备好的文件一般都是经过调整了的、扬长避短的图片。打印样张时,还要注意一定用同一个软件的同一个版本在同一平台上打印才能比较出真正的效果差异。 3.快印、名片商户 (1)分辨率不需要太高,600DPI~1200DPI就足够。普通名片或快印,600DPI的精度已经可以达到要求。 (2)双面打印,虽然自动双面打印不能打印厚纸,但如果进行速印,一般像Catalog、说明书这些,都是双面的,手动双面非常麻烦,而自动双面可以省下不少纸张成本。 (3)耗材价格要合理,耗材价格是必须考虑的因素,当然应以机器的质量为先,不可以纯粹追求是否支持低耗材。 (4)稳定性强,选择具有足够技术支持、性能稳定的机型是相当必要的。 其它用户应按照实际的不同需要进行选购。彩色激光打印机是长期的投资,既要考虑当前的要求,又要考虑将来的业务发展,更要考虑TOC总体拥有成本
2023-08-02 02:38:173

were there any envelopes in the desk 回答

were there any envelopes in the desk 翻译为:桌上有信封吗?回答为:Yes,they were./No,they weren"t.
2023-08-02 02:38:351

集邮的英文是什么?

stamp collecting
2023-08-02 02:38:433

not any,no和none的用法 A :Were tere any envelopes in the desk?

not any +n.none of +n.no +n
2023-08-02 02:38:544

There is a wide range of choices open to you. 牛津词典这个例句中,为什么谓语动词不用are而用is?

主语是a range of...类似结构There is a range of mountains in my hometown. 我家乡有一相连不断的雄伟山脉。There is a pair of glasses on the desk. 桌子上有一副眼镜。There is also a variety of dried wild mushrooms available that can be reconstituted in wine or water. 也有各种各样的干野生蘑菇,可以在酒或水中进行重组。
2023-08-02 02:39:166

工程制图方面的术语

thin line粗(实)线 thick line 细(实)线 surface finish symbol表面粗糙度符号 sheet 层,图层,页 dimension line with zigzag 转折尺寸线(标注大尺寸用的) pin 钉住,锁住(这个词在制图软件中表示锁定工具栏,不知道你在什么地方见到的)补充:pin和shoulder不是制图方面的术语,也许是某个专业术语,你请教工程专业人员。(平面图 这个词英文是plan,我想应该不是图纸写错了,shoulder本意是肩膀,你图纸上也许是路肩什么的,我瞎猜的)工程制图画图图纸方面,我国使用A0、A1、A2……,相应的输入框也叫A0、A1、A2……,A0纸尺寸是841X1189,把它对折就是A1,依此类推。technical drawings and posters, drawings ,diagrams and large tables 和envelopes for A4 letters表示不同的纸,第一个工程用图纸,第三个是信封纸,本人没见过这类纸型,所以不能详细讲,这能讲这么多了。
2023-08-02 02:39:421

谁能写一篇英语六级作文,关于春节微信,qq,红包拜年的现象写一下

Popular messaging service WeChat is hogging the limelight this Chinese New Year — by giving the traditions typical of this festive period a facelift.这个农历新年,大众短信服务平台“微信”抢尽了风头——使节日的传统习俗焕然一新。As technology has altered the way people in China carry out certain traditions during Chinese New Year, at no point is it clearer that Weixin, the version of WeChat available in the country, has emerged as a frontrunner in the wave of change.随着科技对中国人庆祝新年习俗方式的改变,微信——中国的微聊媒介,可谓劲头十足,俨然成为这次变革的弄潮儿。The Weixin team came upon a brilliant idea of taking the Chinese New Year tradition of gifting money into the digital era. Basically, rather than (or, perhaps, in addition to) giving red envelopes of money to family and friends, Weixin users could tap into digital payments and send monetary gifts of up to CNY100 (around $16.50) per go to others on the chat app.微信团队突发创想,将中国新年送红包的传统融入了数字时代。大体上,除向亲朋好友分发红包外,微信用户还可选择电子支付方式向微信圈内的好友派发红包,红包金额可高达100元(约16.5美元)。State media Xinhua reports (hat/tip Tech in Asia) that the first two days of Chinese New Year saw more than five million people across China taking part in Weixin"s online red envelope activity, with more than 20 million red envelopes handed out, according to data from Tencent, the company that owns WeChat.官方媒体新华社报道,仅在新年的前两天,全国就有500多万人参与了微信线上抢红包活动,共分发了2000多万个红包。该数据来自微信的开发方腾讯公司。At its peak, 585,000 people took part in gifting red envelopes over a mere five minutes on Weixin, with 121,0
2023-08-02 02:39:491

抢红包的英语怎么说

问题一:抢红包啦,用英语怎么说? Let"s snatch red envelopes 问题二:红包用英语怎么说? 标准答案: red packet money red lucky money 问题三:“微信抢红包”用英语怎么说 可以说成: grab lucky money (or money in the red envelope) sent by a friend on the WeiChat App 问题四:“微信红包”用英文怎么说 “微信红包” Micro channel red “微信红包” Micro channel red 问题五:那天我们将得到很多红包用英语怎么说 We will get a lot of red envelopes that day 问题六:红包英文怎么读 红包英文 red envelop 中文谐音 瑞哎的,嗯为喽泼 问题七:微信红包英文怎么说 Red Packet 问题八:给我发个红包的英文怎么写? 给我发个红包 Send me a red pack. 问题九:收到红包用英语怎么说 bands 意思: 乐队 收到红包;可以用convert payment..或者red envelop .. 问题十:红包的英文是什么? red pager containing money as a gift
2023-08-02 02:39:561

关于寒假的英语作文(要带翻译)。

关于寒假的英语作文myperfectwinterholiday【原创】mywinterholidaywasover。mywinterholidaywasvery perfect。.iusuallygotupatseven everyday.ididmorningexercises inthemorning. sometimesialsoplayed tabletennins,wentoutforawalkandsoon.. ,ihadbreadfastat about seventhirty.afterthat,iusuallydidmyhomework,isometimeswentshoppingwithmymotherintheafternoon. i often readsomebooks..sometimesi alsosurfedtheinternet.ialsohelpedmyparentsto dosomehousework. somy winterholidaywasperfect。我的完美的寒假“我的寒假结束了,我的寒假是非常完美的..每天我通常七点起床。我在早上做早操。有时我也打乒乓球出去散步等等..,我吃早餐在大约七点三十。在那之后,我通常做我的家庭作业,有时我和我妈妈去购物在下午。我经常读一些书..有时我也上网。我还帮助我的父母做一些家务。所以我的寒假很完美。如果你想要关于暑假的英语作文【将文中的winter改为summer即可】你的采纳我的动力很高兴能够帮助你
2023-08-02 02:40:362

英语翻译:过年了。最开心的事是收红包了。可妈妈把红包全存银行了。不过我装了一会儿“有钱人”。哈哈!

During New Year, the happiest thing is receiving red pocket money. However, my mum takes all my the red pocket money and deposits it to the bank. Nevertheless, I can act like a "rich guy" for a short period.hope i can help you
2023-08-02 02:40:467