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- These four configurational isomers and their relatively stable conformers are summarized by analyzing NMR spectral data in this article. 本文通过NMR数据分析对4种构型式及每1种构型的相对稳定构象进行了探讨。
- Spectral investigation of endo-exo configurational isomers of 2-acetyl-3,3-dimethyl-bicyclo [2, 2,1] hept-5-ene is carried out by infrared and proton nuclear magnetic resonance spectrometry. 用红外吸收光谱及核磁共振波谱对2-乙酰基-3,3-二甲基二环[2,2,1]-5-庚烯内外向式结构型异构体进行波谱研究。
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- The state or condition of being an isomer. 同分异构状态以同分异构形式存在的状态或情形
- Theoretical Study on Stabilization and Nonlinear Optical Properties of Configuration Isomer of Schiff Base of the Condensation of Salicylaldehyde with Aniline 水杨醛缩苯胺类席夫碱构象异构体的稳定性及其非线性光学性质的理论研究
- Spectral Identification of Endo-exo Configurational Isomers of 2-Acetyl-3, 3-dimethyl-bicyclo [2, 2, 1] hept-5-ene 2-乙酰基-3,3-二甲基二环[2,2,1]-5-庚烯内外向式构型异构体的波谱鉴定
- An isomer of retinoic acid, used in the treatment of acne. 一种视黄酸的异构体，用于治疗粉刺
- Keywords isomerism;constitutional isomers;three dimensional isomers;configurational isomers;enantiomers;conformation isomers.; 异构现象;构造异构体;立体异构体;构型异构体;对映异构体;构象异构体;
- So there is rod configurational change in the deburring process. 在去毛刺过程中会变形软化。
- A structural isomer of citral that is obtained from the oxidation of geraniol. 香叶醛由香叶醇氧化得到的柠檬酸的结构上的同质异构体
- The term "normal" applies to the isomer that has all its carbon atoms linked in a straight chain. 对这类异构体采用“正构”一词是因为这类异构体的全部炭原子都以直链形式连在一起。
- The most likely alternative structure, the tetrahedron, would produce only one isomer for this composition. 在这种情况下,最可选的结构是四面体,并且对于这个化合物将只产生一个异构体。
- One of a group of enzymes that catalyzes the conversion of one isomer into another. 异构酶一种能对一种异构体转化为另一种异构体进行催化物的一组酶
- Solutions of pure isomer will rotate the plane of polarized light either to the right (dextro: D-) or to the left (levo: L- ). 溶解纯的同分异构体将会使偏振光的翼面既可以转到右面(右旋的D一型)也可以转到左面(左旋的L一型)。
- CRL was reacted much more quickly with methyl 5-N-(2, 6-xylyl)-alanate than that with R isomer. CRL脂酶对S-(-)-N-(2，6-二甲苯基)-丙氨酸甲酯作用速度远大于R-(+)-异构体。
- Candida rugosa lipase can be used to enrich the isomer of c9,t11-CLA by a two-step selective esterification. 利用假丝酵母脂肪酶两步选择性酯化可以提高c9,t11-共轭亚油酸异构体的含量。
- This oil contains 70% of which is the 1,3 DAG isomer,which is digestived product of 1(3) monoacylglycerol. 该油中的DAG有 70%25为 1 ,3 DAG ,经消化后成 1 (或 3 ) -单甘油酯 ,这种产物在小肠的黏液中难以重新合成三甘油酯(TAG)。
- Fu rthe-rmore,we introduce an assay method of the S isomer of Cefoperazone in order to control the quality of th... 为了控制产品质量，本文还介绍了S型异构体的测定方法。
- Configurational theory has been a key building block of organizational research. 资源配置理论曾经是组织研究的一个重要组成部分。
- The global minima is a linear isomer CCCS~+1 followed by a four-membered ring formed cC_3S~+2 with a CC cross bonding. 结果表明:C3S+有3个稳定的异构体;包括线形、三元环和四元环几何构型.
