substituent
美 [s?b'st?t???nt] 
英 [s?b'st?t???nt]
- n.代替者；【化】取代基
- 網絡取代者；代用品；替代物
詞形變化
復數：substituents
英漢解釋
英英解釋
例句
The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.
一種含吲哚類取代基的苯并呋喃酮類化合物的制造方法。
The results showed that the substituent in the phenyl ring was advantageous to the formation and maintenance of the liquid crystal phase.
結果表明：苯（毒死蜱溶劑）環上取代基，有利于液晶“骨架”的形成及維持；
These clusters show different fluxional behaviour and ligands according to various substituent around the metals of osmium.
根據羰基配體取代基的不同，該類簇合物中小分子的移動種類及方式也有所不同。
The effects of the content of silicic ester whose substituent number is different to the stability of polymerization were researched.
考察了不同取代基團數的硅酸丁酯用量對乳液聚合穩定性的影響。
Conclusion The water solubility of the substituent at C-7 position is not main parameter affecting antibacterial activity.
結論7-位取代基的水溶性并非決定喹諾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.
合成了一種新型的帶有腺嘌呤取代基的鋅卟啉并對其進行了表征。
The results showed that chloric substituent in polymer chains prevented the chains from further chlorination .
結果表明，大分子鏈上的氯取代基對分子鏈進一步氯化起阻礙作用；
and wherein said heterocyclic ring structure has a least 1 thiol substituent attached to a carbon atom of said heterocyclic ring.
該雜環結構至少有一個與雜環碳原子相連的硫羥取代基。
The substituent effects of ethoxy groups were studied on the chemical composition and properties of plasma polymers.
研究了乙氧取代基對聚合物化學組成和性能的影響。
The substituent of methyl has different electrical effects in organic solvent with various polarities.
甲基在不同極性的溶劑中表現不同的電子效應；
The fluorescence intensity of porphyrin also relates to the substituent positions on the phenyl groups.
此外，熒光強度還與卟啉的苯環上取代基的取代位置有關。
The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.
作者認為影響聚合物等規度的因素主要是取代基的極性效應。
This invention relates to a preparation method of substituent glutaric acid anhydride.
本發明涉及取代基戊二酸酐的制備方法。
We observe photophysical and electrochemistry property of biphenyl imide by substituent group effect.
藉由取代基效應觀察化合物光物理性質及電化學特性的改變。
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，盡管殼寡糖鏈上懸掛很大的取代基，但N-鄰苯二甲酰化殼寡糖卻具有結晶性。
Substituent, the degree of support.
取代基，支化度。
Conclusion 24-substituent of sterol affects the absorption of sterols.
結論甾醇結構中的24位取代基影響甾醇的吸收。
Study of the influence of different substituent on electrochemical characteristics of ferrocene
二茂鐵不同取代基對其電化學行為的影響
Study of Substituent Effects on Fluorescent Properties of Porphyrin Compounds
卟啉化合物熒光性能的取代基效應研究
The Substituent Effect on Nonlinear Current Voltage Characteristics in a Two-Terminal Molecular Electronic Device
在二端分子電子器件中取代基對于非線性電流電壓特性的影響
Preparation of Titanocene of Substituted Salicylic Complexes in Aqueous Medium and Substituent Effects and Influences of Acidity
水相法合成水楊酸類二茂鈦衍生物與取代基效應及酸度影響的研究
The Position Effect of Substituent on Non-protected Fluid Room Temperature Phosphorescence of Naphthylamine Sulfonate
氨基萘磺酸鹽無保護流體室溫燐光的取代基位置效應
Effect of Substituent Groups on the Electronic Properties of a Molecular Wire
取代基對分子線電子性質的影響
Homolytic Bond Dissociation Energies of Allylic Compounds and Related Substituent Effects
烯丙位化學鍵均裂離解能及其取代基效應
Preparation of high substituent acetic starch ester-film material for carbamide controlled release
尿素緩釋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;
主鏈醌環上有取代基時，化合物成色體最大吸收波長紅移；
Relations and substituent functions of fluctuated tolerance
跳動公差的關系及取代作用
Study on the Molecule Stability of Aristolochia Acid with Different Substituent
不同取代基馬兜鈴酸分子穩定性研究
Substituent Effect in Addition Reaction of Alcohol to Tetrahedral Complex of Cobalt with Organophosphorus Monobasic Acids
有機磷一元酸四面體鈷配合物加合醇反應中的取代基效應
Effect of bean stem substituent on growth, development and quality of Pleurotus eryngii
豆桿作代用料對杏鮑菇生長發育及品質的影響
Progress in the Synthesis and Application of Substituent Phenylboronic Acids
取代基苯硼酸的合成與應用進展
Substituent Effect on Reactivity of Triplet Diphenylcarbenes
二苯基卡賓反應性的取代基效應
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譜的取代基效應
Process on the Synthesis of Substituent Aryl Boronic Acid Compounds
取代芳環硼酸化合物的合成進展
Progress in the Synthesis of 2-Substituent-benzothiazoles
2-取代苯并噻唑的合成進展
replace old way substituent with take over
取代舊的方式
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與生物活性評價
The Effect of Substituent Groups on the Acidity of Benzoic Acid
取代基對苯甲酸酸性大小的影響
Research on the ultraviolet-visible spectra for three kinds of substituent tetraphenylporphrins
三種取代四苯基卟啉化合物的紫外-可見光譜研究
