您要查找的是不是：
- steric isomer 立体异构体
- 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
- A rather more complex case is that of steric isomerism. 更复杂的情形是立体异构问题。
- A multi-center fragmentation is governed by steric factors. 多中心断裂受到位阻因素的控制。
- Hyperconjugation not steric repulsion leads to the staggered s ... 而不是老的教科书提到的位阻效应。
- 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
- Severe steric effects at the reactive carbon would impede the substitution. 大的立体效应阻止在碳上的取代。
- 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
- Macromolecules cannot approach the ligand owing to steric hindrance of the matrix. 由于载体的立体位阻的关系，大分子化合物不能接触到配基。
- 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。
- Steric effects in 126 may also be responsible for its inertness to the Grignard reagent. （126）的空间效应也是它对格氏试剂反应迟钝的原因
- 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。
- Scientifically, two main stabilization mechanisms can be distinguished: electrostatic and steric stabilization. 按科学的方法,主要分为两种稳定机理:静电排斥和空间位阻。
- 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
- Some albumin molecules may hae undergone steric modification or ligand binding such that the immunoreactie sites hae become obscured. 某些白蛋白分子也许经历了空间修饰或配体结合上的改变以至于其免疫反应位点被湮没。
- The steric hindrance effect was strong about the influence of constructure of alcohols on the esterifications . 在优化反应条件下;乙酸正丁酯的平均酯化率为97.;8%25
- A new steric anisotropic pair potential is studied based upon molecular field theory. 基于分子场理论,研究一种新的空间各向异性两体作用势。
- For a nucleophile, its regioselectivity is also controlled by both steric hindrance and electronic effect. 对于亲核试剂，一般的亲核试剂也同时受电子效应和空间效应的影响；
- 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)。
