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- leaving group method 离去基团法
- Although this method is still valid, whenever possible, you should use the recovery storage group method. 尽管此方法仍然有效,但应当尽可能使用恢复存储组方法。
- UPGMA (unweighted pair group method with arithmetic mean) cluster analysis was also performed by the program of PHYLIP. 实验结果表明,江西省地方鸡种和引进品种之间的亲缘关系较远;
- Using the dipole concept, a new consistency criterion is given and a group method of data handling (GMDH) cluster analysis approach is presented. 利用偶极子给出了新的一致性准则,提出了数据分组处理(GMDH)聚类分析方法。
- The renormalization group method is used to study the randomness and connectivity of the failture for coal floor element. 利用重整化群方法研究煤层底板岩层单元体破裂的随机性和关联性。
- The basic clue and the main steps of renormalization group method used for the description of critical phenomena is introduced. 摘要介绍了用重整化群方法描述临界现象的基本思路和做法。
- A high precise regression model of rubber formulation was built with the uniform design and GMDH (group method of data handling) method. 通过均匀设计安排橡胶配方试验,进而用数据处理组合方法(GMDH)建立高精度的回归模型。
- Conclusion The 3, 5-dinitrobenzoyl group was found to be a good leaving group at the anomeric position and O-glucopyranosides and oligosaccharides were stereoselectively synthesized in good yield. 结论3,5二硝基苯甲酰氧基作为良好的糖端基离去基用于寡糖的合成,具有反应条件温和、收率较高、立体选择性好的特点。
- In addition, we used unweighted pair group method arithmetic average (UPGMA) to analysis genetic relationship of 20 strains. 结果显示20个菌株基本按所属菌群聚类,只有个别菌株与不同菌群的菌株聚在一起。
- A highly precise regression model of rubber formulation was built with the uniform design and GMDH(group method of data handling)method. 通过均匀设计安排橡胶配方试验,进而用数据处理组合方法(GMDH)建立高精度回归模型。
- Political forces had polarized into right and left groups. 政治力量已经极化为左、右两个集团。
- Notice that two groups appear, based on the equal areas grouping method. 注意,根据等区域分组方法,显示了两个组。
- This work has been focused on the use of copper(I)-mediated anti-SN2’ allylic substitution reactions with non directing leaving groups. 论文提要内容: 在变化的经营环境当中,为了生存和发展,组织必须更灵活、弹性地加以应对。
- Aim To explore new grouping method of clinical pharmacology experiments. 摘要目的探讨临床药理实验分组新方法。
- Representation of heavy oil extracts in UNIFAC function group method[J].Acta Petrolei Sinica (Petroleum Processing Section),1988,4 (4):61-66(in Chinese). UNIFAC官能团法中重抽出油官能团数的一种表示方法[J].;石油学报(石油加工);1988;4(4):61-66
- To introduce a stochastic grouping method for subchronic test of rats. 研究大鼠亚慢性试验随机分组方法。
- My first test was on the far left group (and the one furthest away from the HX's heating element). 我第一次的测试是在最左边的冲煮头(离HX加热系统最远的一个)。
- By using the so called renormalization group method, we give a uniformly valid asymptotic expansions of the boundary value problems under consideration. 利用重正化群方法,构造了该边值问题解的一致有效渐近展开式。
- Leaving group in substitutions or eliminations 在取代或消除反应中的离去基团
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。