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- group transfer reaction 基团转移反应
- It was attempted to apply the phenylseleno group transfer radical cyclization reaction to the synthesis of oxygen-heterocycles. 本论文还尝试了通过苯硒基转移自由基关环反应合成含氧杂环天然产物。
- Azobisisobutyronitrile does not take part in transfer reactions. 偶氮二异丁腈不参加链转移反应。
- Th has been produced via a multinucleon transfer reaction by 60MeV/u 18 O ions bombardment of natural uranium. 利用 6 0MeV/u的18O离子束轰击天然铀靶 ,通过多核子转移反应生成重丰中子核素2 37Th ,由多步快速放射化学分离方法从被照射过的靶物质中分离出钍元素。
- DWBA calculation hasbeen performed for single-particlc transfer reaction and the optical pa-rameters checked. 对有关的单核子转移反应用 DWBA 进行了计算;以检验束缚态和光学模型参数.
- Experimental results show that the reaction acts up on transannular-surroundings electron transfer reaction mechanisms. 实验表明,此反应遵循外环外界电子转移反应机理。
- Transg lutaminase can catalyse the transfer reaction of acyl g roup,which introduce a covalent cross link between protein and peptide. 转谷氨酰胺酶是催化酰基转移反应的一种酶,可使蛋白质或多肽之间发生共价交联反应。
- In this paper, two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction . 采用相转移催化反应合成了两个不饱和脂环氮杂冠醚。
- The results showed that the oligomerization,cracking,skeletal isomerization and hydrogen transfer reaction of 1-heptene occurred on acid catalysts. 结果表明,庚烯-1在酸性催化剂上会发生齐聚、裂化、骨架异构和氢转移等反应;在较高转化率下,甚至会发生四聚反应。
- A fluorescence spectrophotometric method was developed for the determination of sulfadiazine (SD) based on a charge transfer reaction. 用荧光法研究了乙酰丙酮-甲醛与磺胺嘧啶(SD)的荷移反应的条件,并探讨了发光机理。
- The electric charge transfer reaction of clarithromyc in and alizarin has been studied and the optimal reaction conditions have been found out. 研究了克拉霉素和茜素在甲醇介质中的电荷转移反应,确定了最佳反应条件。
- Silicone initiator in group transfer polymerization reaction 基团转移聚合反应中的有机硅引发剂
- The charge transfer reaction between albendazole and chloranilic acid in alcohol acetone solution was studied spectrophotometrically. 研究并确定了阿苯达唑与氯冉酸的荷移反应条件。
- BEA zeolite and new-developed medium-pore molecular sieves MCM-22 has high activity of hydrogen transfer reaction and good performance of catalytic crackingsimultaneously. 含碱性离子分子筛及其催化剂的酸碱性表征结果表明,裂化活性的提高主要与B酸量的增加有关,而氢转移反应活性的提高则可能是分子筛碱性位的碱性变化即碱量增加、碱强度提高所造成。
- With weakening of competitive adsorption behavior, the rate of dehydro-condensation reaction decreased , and hydrogen transfer reaction was obviously strengthened. 随着竞争吸附效应的减弱,脱氢缩合反应比例下降,氢转移反应显著加强。
- Group transfer scattering cross section 能组转移散射截面
- Methods: To utilize visible spectrophotometry based on the charge transfer reaction between josamycin as donor and alizarin red as acceptor in alcohol-water solution. 方法:利用交沙霉素与茜素红在水-醇介质中发生电荷转移反应,形成电荷转移络合物,采用可见分光光度法测定。
- Photochromism of complex undergoes electron transfer reaction on light to form multivalent molybdenum complex and accompanied by a color change from purple to blue. 配合物具有良好的可逆光致变色性能,其光致变色是由于钼离子与有机基团间发生了电子转移反应。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- Benzoylperoxide, and especially azobisisobutyronitrile, do not take part in transfer reactions. 过氧化苯甲酰、特别是偶氧二异丁腈不参加链移反应。