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- Tighten the N coupling nut on the ball screw side. 拧紧丝杆边的N型连接螺母.
- 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。
- Tighten the N coupling nut on the AC servo motor side temporarily. 临时拧紧马达边的N型连接螺母.
- 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 coupling reaction between the difficult sequence Fmoc-Arg(Pbf)-OH and H-Pro-Trt resin was investigated. 着重研究了Fmoc-Arg(Pbf)-OH与H-Pro-Trt树脂的缩合反应。
- The macrokinetics of CO gas coupling reaction on Pd catalyst was studied in a fixed-bed reactor. 采用固定床积分反应器;研究了自制的负载型钯系催化剂上CO气相催化偶联主、副反应的宏观动力学模型.
- In addition, boric acid and halogenated hydrocarbons aryl the coupling reaction is a C-C bond important ways. 此外，芳基硼酸与卤代烃的偶合反应是形成C-C键的重要途径。
- 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
- 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]
- Synthesize saframine O using o-toluidine as primer reactant by diazotization, coupling reaction, reduction reaction, and oxidation. 研究了以邻甲基苯胺为起始原料,经重氮化、偶合、还原、氧化反应合成藏花红的方法。
- The conditions of silver sulphide dissolving in sodium cyanide have been discussed by the use of thermodynamic principle and coupling reaction. 应用热力学原理和偶合反应的观点对硫化银溶于氰化钠的条件进行了讨论.
- Effects of main reaction conditions such as reaction time to the coupling reaction and the yield of squalene were studied primarily. 通过自制高效偶联试剂三三苯基膦氯化亚钴和自制金合欢基溴的还原偶联反应,成功地合成了角鲨烯。
- 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 .
- The synthesis methods of hexamethyldisilane, such as reductive coupling reaction, Grignard reagent alkylation, electrochemical reduction et al, were recounted in details. 综述了近年来国外关于六甲基二硅烷的合成工艺(还原耦合法、格氏试剂法、电解还原法等);
- 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。
- Aim：To synthesize new triazene compound. Methods： Nitrogen coupling reaction of the diazonium salt. Results and conclusion: Element analysis and IR data certified the product. 目的：合成三氮烯类新试剂。方法：通过重氮盐的氮偶联反应。结果与结论：元素分析和红外光谱数据证实产物为三氮烯类化合物。
- The application of acid catalysts in the coupling reaction of formaldehyde and methyl formate to form methyl glycolate and methyl methoxyacetate was investigated. 摘要选取不同酸强度的催化剂硫酸、三氟甲烷磺酸、硫酸氢钠和硫酸氢钾，研究了酸催化剂在甲醛与甲酸甲酯偶联合成乙醇酸甲酯和甲氧基乙酸甲酯反应中的作用。
- 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。
- The synthesis of dimethyl oxalate (DMO) and diethyl oxalate (DEO) by CO coupling reaction in gaseous phase over the supported palladium catalysts was investigated. 在固定床反应器中对钯系催化剂上CO气相催化偶联制草酸二乙酯和草酸二甲酯的空时收率、选择性和CO的转化率进行了实验研究。
- Xu C N,Compared study of fiber early development of four culti vated species in Gossypium by scanning electron microscope[J].Journal of Beij ing Agricultural University,1987,13 (3):254-261. [5]徐楚年.;棉花四个栽培种纤维发育早期扫描电镜的比较研究[J]
