1.
The Explanation of Substitution of Reaction s Fixed Position Rule of the Benzene Cyclie by HMO Method;
HMO法对苯环上取代定位法则的解释
2.
This thesis, through the change of the chemical shift values of aryl protons, predicts the directing effect of the substituenfs of aromatic systems and the strong and weak levels of aromatic etectrophilic substitution reachions.
通过苯环上芳氢化学位移的变化,判断苯环上取代基的定位效应及苯环亲电取代反应的强弱.
3.
The fluorescence intensity of porphyrin also relates to the substituent positions on the phenyl groups.
此外,荧光强度还与卟啉的苯环上取代基的取代位置有关。
4.
Of or relating to the consecutive positions of substituted elements or radicals on a benzene ring.
连位的苯环上不断的替代物或者原子团连位的
5.
Theory explanation of the orientation effect of substitutes on Benzene by geminate motion viewpoint of excited π electron;
运用激发态时π电子成对运动观点对苯环取代基定位效应的理论解释
6.
Study of Nucleophilic Substitution Reaction of C-F Bond on a Benzene Ring under Activation of Hydrogen Bond
氢键活化的苯环上C-F键的亲核取代反应研究
7.
Orientation Effect of the Methoxy on the Reaction of Electrophilic Aromatic Substitution
甲氧基在苯甲醚亲电取代反应的定位作用
8.
Synthesis of p-Substituted Phenolic O-Glycoside via Improved Tietze's Method
改进的Tietze法合成对位取代苯酚氧苷类化合物
9.
Gas Chromatographic Enantioseparation of Some Substituted Benzene Chiral Compounds on Mixed Stationary Phases of Peralkylated β-Cyclodextrin
全烷基化β-环糊精混合固定相上一些取代苯类手性化合物的气相色谱分离研究
10.
Methods and Results Through the reaction of alkylation of substituted phenols, hydrolysis and cyclization,“ vicarious nucleophilic substitution of hydrogen( VNS)” was used to synthesize4- hydroxyindole and4- methoxyindole, the method is simple and the cost is low.
方法通过取代酚的醚化,再在苯环上直接引入腈乙基,然后水解、合等反应,直接生成吲哚衍生物。
11.
3D-QSAR Study of Novel 5-Substituted Benzenesulfonylurea Compounds
新型苯环5-(取代)苯甲酰胺基苯磺酰脲类化合物的比较定量构效关系研究
12.
Phenyl (or polyphenyl) substituted epoxides serve as excellent precursors to phenyl (or diphenyl) carbenes.
某些苯代（或多苯）环氧乙烷是制取带苯环（或二苯）碳烯的极好原料。
13.
Orientation Law on Conjugate Effect(+C or -C) of Substitution Radical;
取代基的共轭效应(+C或-C)与其定位规则
14.
Legal Position of Innocent Presumption and Its Value;
无罪推定原则的法律地位及其价值取向
15.
when the people's court or the unit that appointed the agent rescinds the appointment
指定代理的人民法院或者指定单位取消指定;
16.
Determination of the Molar Substitution Ratio of Hydroxyethyl Guar Gum by Mixed P-toluenesulfonic-acetic Anhydride;
对甲苯磺酸—乙酸酐化学法测定羟乙基瓜尔胶羟乙基摩尔取代度
17.
Synthesis of Heterocyclic and Fused Ring Compounds Containing Phenylethynyl Groups;
苯乙炔基取代的杂环及稠环化合物的合成
18.
GC determination of hydroxypropyl-beta-cyclodextrin's degree of substitution
气相色谱法测定羟丙基-β-环糊精平均取代度