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- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- Furthermore, the spiral structure is the main reason for optical activeness of substance. 而由旋光方向和大小也可以推断其构型和构象。
- Influence of the Optical Activity of BSO on Spatial Light Modulator[J]. 引用该论文 孔迪;杨建坤;李修建;刘菊.
- The optical activity of a molecule is not determined by its chirality. 旋光性不是由手性决定的,因为手性是人为抽象出的一种概念。
- For the reason why optical activity of mesomer is counteracted classical answer was not convincing. 指出了内消旋体消旋原因传统解释的不合理性。
- The product xylose is identified by silica gel TLC, optical activity measurement and other approval tests. 成品经过薄层层析和旋光测定等鉴定确定为木糖。
- Racemization is found with optically active substrate substrates. 发现旋光基质有外消旋作用。
- Conversion of an optically active substance to a racemic form. 外消旋转化将光学活性物质转化为外消旋形式
- "The two enantiomers rotate polarized light through opposite angles, canceling each other out so that the racemic mixture has no optical activity. 两种对映体使偏振光向相反的角度旋转，彼此抵销，所以外消旋混合物没有光学活性。
- As a result, the algebraic sum of rotatory value of related helix is not equal to zero, thus resulting in optical activity. 根据这些螺旋的可极化性，可以准确地预测这类化合物的旋光方向。
- Optical active ethyl 4-cloro-(R)-3-hydroxybutyrate was prepared by stereo selective bioreduction of ethyl 4-chloro-acetoacetate with baker's yeast. 以4 氯乙酰乙酸乙酯为原料,以面包酵母为手性生物催化剂,选择性合成光学活性4 氯 (R) 3 羟基丁酸乙酯。
- The effect of intramolecular and in termolecular in teraction on the conformation and optical activity of bile pigments is discussed. 对研究前景进行了展望。
- A couple walking in the park noticed a young man and woman sitting Helical Structure Resulting in Optical Activity on a bench, passionately kissing. 一对夫妇在公园里散步，发现一对年轻的男女坐在一条长凳上，动情螺旋结构导致旋光性地接吻。
- The relationship between helical structure of chira l molecules and their optical activities has been concerned permanently by organ ic chemists. 手性分子的螺旋结构与其光学活性的关系，是有机化学家长期关注的问题。
- Slow crystal formation gives quite pure crystals that probably need not be recrystallized for the optical activity studies. 缓慢的结晶过程会给出十分纯的晶体，在光学活性的研究中，这些晶体很可能不需要进行再结晶了。
- Moreover,the stabilization of the complexes,especially the influence of the optical activity of dipeptide on the stabilization has been discussed. 对配合物的稳定性进行了讨论,着重介绍了二肽的光学异构对配合物稳定性的影响。
- UV-curing inks are comprised of mostly photoptic resins, paints, thinners and optical activity of initiationless and cocatalyst. 紫边线固化油不朱次给是由颜料、感平树脂、活性浓缩剂、平引不收剂及助剂构成。
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Based on the optical activity of the complex formed by mannitol and ammonium molybdate,the mannitolum level in the gastrointestinal dialysis salt was determined with polarimetry. 本文根据甘露醇与钼酸铵的络合物具有旋光性这一特点,用旋光法测定胃肠透析盐中甘露醇的含量。
- Disubstituted 1,3,4-oxadiazoles are widely used in the agriculture and industry of medicine and material because of their various biological and optical activities. 摘要2,5-二取代-1,3,4-恶二唑类化合物因其具有独特的生物活性和光学活性而广泛被人们研究，并被应用在农业、医药、材料等多个领域。
