substituent
美 [sʌb'stɪtʃʊənt] 
英 [sʌb'stɪtʃʊənt]
- n.代替者；【化】取代基
- 网络取代者；代用品；替代物
词形变化
复数：substituents
英汉解释
英英解释
例句
The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.
一种含吲哚类取代基的苯并呋喃酮类化合物的制造方法。
The results showed that the substituent in the phenyl ring was advantageous to the formation and maintenance of the liquid crystal phase.
结果表明：苯（毒死蜱溶剂）环上取代基，有利于液晶“骨架”的形成及维持；
These clusters show different fluxional behaviour and ligands according to various substituent around the metals of osmium.
根据羰基配体取代基的不同，该类簇合物中小分子的移动种类及方式也有所不同。
The effects of the content of silicic ester whose substituent number is different to the stability of polymerization were researched.
考察了不同取代基团数的硅酸丁酯用量对乳液聚合稳定性的影响。
Conclusion The water solubility of the substituent at C-7 position is not main parameter affecting antibacterial activity.
结论7-位取代基的水溶性并非决定喹诺酮抗菌活性的主要因素。
A new zinc porphyrin with an adenine substituent has been synthesized and characterized by 1HNMR and IR spectroscopy and elemental analysis.
合成了一种新型的带有腺嘌呤取代基的锌卟啉并对其进行了表征。
The results showed that chloric substituent in polymer chains prevented the chains from further chlorination .
结果表明，大分子链上的氯取代基对分子链进一步氯化起阻碍作用；
and wherein said heterocyclic ring structure has a least 1 thiol substituent attached to a carbon atom of said heterocyclic ring.
该杂环结构至少有一个与杂环碳原子相连的硫羟取代基。
The substituent effects of ethoxy groups were studied on the chemical composition and properties of plasma polymers.
研究了乙氧取代基对聚合物化学组成和性能的影响。
The substituent of methyl has different electrical effects in organic solvent with various polarities.
甲基在不同极性的溶剂中表现不同的电子效应；
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。
The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.
作者认为影响聚合物等规度的因素主要是取代基的极性效应。
This invention relates to a preparation method of substituent glutaric acid anhydride.
本发明涉及取代基戊二酸酐的制备方法。
We observe photophysical and electrochemistry property of biphenyl imide by substituent group effect.
藉由取代基效应观察化合物光物理性质及电化学特性的改变。
XRD patterns showed that the N-phthaloyl-chitosan oligosaccharide can crystallize though there is a bulky substituent group hung from it.
XRD也表明，尽管壳寡糖链上悬挂很大的取代基，但N-邻苯二甲酰化壳寡糖却具有结晶性。
Substituent, the degree of support.
取代基，支化度。
Conclusion 24-substituent of sterol affects the absorption of sterols.
结论甾醇结构中的24位取代基影响甾醇的吸收。
Study of the influence of different substituent on electrochemical characteristics of ferrocene
二茂铁不同取代基对其电化学行为的影响
Study of Substituent Effects on Fluorescent Properties of Porphyrin Compounds
卟啉化合物荧光性能的取代基效应研究
The Substituent Effect on Nonlinear Current Voltage Characteristics in a Two-Terminal Molecular Electronic Device
在二端分子电子器件中取代基对于非线性电流电压特性的影响
Preparation of Titanocene of Substituted Salicylic Complexes in Aqueous Medium and Substituent Effects and Influences of Acidity
水相法合成水杨酸类二茂钛衍生物与取代基效应及酸度影响的研究
The Position Effect of Substituent on Non-protected Fluid Room Temperature Phosphorescence of Naphthylamine Sulfonate
氨基萘磺酸盐无保护流体室温燐光的取代基位置效应
Effect of Substituent Groups on the Electronic Properties of a Molecular Wire
取代基对分子线电子性质的影响
Homolytic Bond Dissociation Energies of Allylic Compounds and Related Substituent Effects
烯丙位化学键均裂离解能及其取代基效应
Preparation of high substituent acetic starch ester-film material for carbamide controlled release
尿素缓释膜材料高取代醋酸酯淀粉的研制
compounds with substituent attached to the naphthacenequinone give rise to the bathochromic shift in the maximum absorption wavelength;
主链醌环上有取代基时，化合物成色体最大吸收波长红移；
Relations and substituent functions of fluctuated tolerance
跳动公差的关系及取代作用
Study on the Molecule Stability of Aristolochia Acid with Different Substituent
不同取代基马兜铃酸分子稳定性研究
Substituent Effect in Addition Reaction of Alcohol to Tetrahedral Complex of Cobalt with Organophosphorus Monobasic Acids
有机磷一元酸四面体钴配合物加合醇反应中的取代基效应
Effect of bean stem substituent on growth, development and quality of Pleurotus eryngii
豆杆作代用料对杏鲍菇生长发育及品质的影响
Progress in the Synthesis and Application of Substituent Phenylboronic Acids
取代基苯硼酸的合成与应用进展
Substituent Effect on Reactivity of Triplet Diphenylcarbenes
二苯基卡宾反应性的取代基效应
Catalytic Synthesis and Substituent Effect on Ultraviolet Spectra of 2-Styrylbenzoxazoles
2-芳基乙烯基苯并噻唑的催化合成及其紫外光谱的取代基效应
Process on the Synthesis of Substituent Aryl Boronic Acid Compounds
取代芳环硼酸化合物的合成进展
Progress in the Synthesis of 2-Substituent-benzothiazoles
2-取代苯并噻唑的合成进展
replace old way substituent with take over
取代旧的方式
Synthesis and Bioactivity Evaluation of Ethyl 6-Amino-2-substituent indole-3-carboxylates and Their Derivatives
6-氨基-2-取代吲哚-3-羧酸乙酯及其衍生物的合成与生物活性评价
The Effect of Substituent Groups on the Acidity of Benzoic Acid
取代基对苯甲酸酸性大小的影响
Research on the ultraviolet-visible spectra for three kinds of substituent tetraphenylporphrins
三种取代四苯基卟啉化合物的紫外-可见光谱研究
