1.
The prefixes cis and trans are frequently applied to disubstituted cycloalkanes.
词头顺和反常用于双取代的环烷烃。
2.
Effect of diluents on the extraction of U(Ⅵ) with disubstituted amide
释剂对双取代单酰胺萃取铀(Ⅵ)的影响
3.
Structure Studies of Bis(substituted)-2-(substituted)-8-hydroxyqui-nolines
双-(取代)硼酸-2-(取代)-8-羟基喹啉酯的结构研究
4.
Synthesis and Characterization of 1, 1 -Disubstituted Tertiary Ferrocenylamines;
1，1 -双取代二茂铁叔胺的合成及表征
5.
Extracting Performance of Nickel by 2,2'-thiobis-4-t-octylphenol
2,2'-硫代双对叔辛基苯酚萃取镍的性能
6.
Synthesis of Bicyclic 4H-1,2-Oxazine Derivatives
取代双环4H-1,2-噁嗪衍生物的合成
7.
This Contract shall supersede all previous communications, either oral or written between the parties.
本合同取代双方以前所有的口头或书面通讯。
8.
SYNTHESES AND CHARACTERIZATION OF BIS [ SUBSTITUTED ACETOPHENONYL-β-DIKETONYL ] COPPER (Ⅱ)
双〔取代苯乙酮基β-二酮基〕合铜(Ⅱ)的合成及表征
9.
Synthesis,Characterization and Extractive Behavior of Bis-(thiophosphoryl)imines;
双-（硫代磷酰基）亚胺的合成、结构与萃取性能研究
10.
Study of the Preparation and UV Absorption of Double Substitutional Arene-Cp Iron Salts;
双取代芳茂铁盐的合成及紫外吸收光谱研究
11.
Theoretical Study on the Bimolecular Nucleophilic Substitution Reaction at Nitrogen;
氮原子上双分子亲核取代反应的理论研究
12.
Synthesis of N-(tert)-Buty1-N,N′-Dihydrazides;
昆虫生长调节剂取代双酰肼类化合物的合成
13.
Methodolgy for the Synthesis of the Derivates of Double Substituted Pyrrolidone Esters
双取代酯类吡咯烷酮衍生物的合成方法研究
14.
Synthesis and fluorescence of chiral disubstituted pyridazine of squaric acid
手性方酰化双取代哒嗪的合成及荧光性研究
15.
Synthesis of Novel 2,5-Bis(3,5-disubstituded-pyrazolyl-1-carbonyl)thiophenes
新型2,5-双(3,5-二取代吡唑基-1-羰基)噻吩的合成
16.
Studies on 1,4-Bis(Phenyl Ethynyl)Benzene and Its Bis Substituted Phenyl Derivatives
1,4-双(苯基乙炔基)苯及其双取代苯基衍生物的研究
17.
Preparation and Characterization of Near Infrared Absorbing Material Containing Dithiolene Metal Complexes Substituted by Alkoxyphenyl
烷氧基苯基取代硫代双烯镍配合物近红外吸收材料的制备和表征
18.
Applications of (E)-1,2-disubstituted Vinylstannanes in Stereoseletive Synthesis of Trisubstituted Alkenes and 1, 3-dienes
（E）-1，2-双取代烯基锡烷在立体选择合成三取代烯烃及1，3-二烯中的应用