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- Besides,the mechanism of B C N RE co-cementation and the effects of rare earth elements are diecussed. 本文对B-C-N-RE共渗的机理及稀土元素的作用作了初步的探讨。
- The process of low temperature boro carbo nitriding by using of powder B C N RE was studied and compared with those of B C N. The results show that RE have a significant catalytic effect within proper limits. 采用X射线衍射仪 ,恒电位仪 ,摩擦磨损试验机等设备 ,研究了低温硼碳氮稀土 (B C N RE)共渗工艺及共渗层的组织性能 ,并与硼碳氮 (B C N)共渗工艺及组织性能进行了比较。
- I w v h, b I w t c. I m s s m. I s b m c n t. 苏珊:我学习得很努力了,但就是太粗心,犯了一些愚蠢的错误。我下次得更细心一些。
- Bǎcǎnǎu 伯克讷乌
- S. I u o o t b c m e. H y e b t t l s? 阿美:是啊。它毫无疑问是最隆重的古典音乐盛典之一。你看过现场演出吗?
- Construct a circumcircle of A'B'C' . 电脑产生的影像在时间上很分明,没有动态模糊而使动态效果降低,看起来不逼真。
- Nothing could b c further from the tr Dating uth! 这完全与事实真相!
- B、C:V ector graphs of stressd istribution. B、C;主应力矢量图 F ig.
- Feng C N, Guo W S, Shi J S, Peng Y X, Zhu X K.Effect of high temperature after anthesis on endosperm cell development and grain weight in wheat. 封超年;郭文善;施劲松;彭永欣;朱新开.;小麦花后高温对籽粒胚乳细胞发育及粒重的影响
- B.C.D.Let us do our best to stop “Global warming” and make our earth a lovely homeland! 让我们尽自己最大的努力来阻止全球变暖,把我们的地球变成一个美丽的家园!
- Freeman S M,Abboud C N,Whartenby K A,et al.The "bystander effect":Tumor regression when a fraction of the tumor mass is genetically modified[J].Cancer Res,1993,53(21):5274. 杜标炎;谭宇蕙;吴应雅;等.;自杀基因联合中医药疗法治疗肿瘤的设想[J]
- PIP in group A B C were almost the same, but PIP in group D was lower than the other three (P<0. 05) . A、B、C三组的气道压于再灌后无明显差异;但D组低于其它三组(P<0.;05)。
- T:when T say A,other students stand up who hode letters of B C D E,then show me your letters. 本课时的难点是三个四会单词的书写,要求教师在四线格中正确示范,引导学生最终能够听说读写这些单词.
- Growth indexes of thymus,bursa of Fabricius and spleen in Group B,C and D were much lower than that in control group. 结果,与对照组相比,高锌的B、C和D组雏鹅淋巴器官发育受阻,胸腺、腔上囊和脾的器官生长指数程度不同地降低;
- The purpose of the design is to do the anti-seismic design in the longitudinal frames of axis A,B,C,D,E,F. 内容摘要本设计主要进行了结构方案中横向框架A,B,C,D轴框架的设计。
- C n E s t a t e . c o m . 也可登陆中国地产投资网域名为W W W .
- This paper introduces the control system of?159×12 PC stereo pipe bender and the main parts of apparatus, analyzes Y B C three axes control principle. 介绍了?59×2型程控立体弯管机的控制系统,并对系统中用到的一些主要器件的性能做了简要介绍,对Y、、三轴的控制原理进行了分析。
- T t c a u f t C n f. 很多重大场合或重要书籍的装帧总会用到这两种颜色。
- Bawden C S,Powell B C,Walker S K.Expression of a wool filament keratin transgene in fiber alters structure[J].Methods in Enzymol,1987,(155):397-415. 姚金波;何天虹;何美劲;等.;还原C法制备羊毛角蛋白质溶液的工艺优化[J]
- Flores B C, Solis E A, and Thomas G. Chaotic signals for wideband radar imaging. Proc. of SPIE, 2002, Vol.4727: 100?111. 中航雷达与电子设备研究院.;雷达系统