steric

1 The stereoselectivity was improved by increasing steric hindrance of the reactions.

通过增加反应的空间位阻改进了反应的立体选择性。

2 It was considered that steric hindrance and electrostatic repulsion were the main stabilizing mechanism.

空间位阻和静电排斥是其乳状液稳定的主要机理。

3 The results indicated that steric, electrostatic and hydrogen-bond donor fields were main factors to inhibition performance.

结果表明：立体场、静电场和氢键供体场是影响苯并咪唑缓蚀剂缓蚀性能的主要因素；

4 However, the steric effects related to the substituents of PS and EVA cancels this catalytic behaviour.

然而，有关的PS和EVA取代基的空间位阻效应取消此催化行为。

5 Their extraction ability markedly decreases with the increase of the steric hindrance from ester alkyl group.

萃取能力随着酯烷基空间位阻的增大而显著降低。

6 The steric effects on the reaction of 6, 6-dialkylfulvene with organolithium have been studied.

本文研究了6，6-二烷基富烯与有机锂反应的立体效应。

7 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.

8 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.

9 It follow therefore that the steric blocking effects of substituents are reflected in adverse kinetic, rather than thermodynamic factors.

由此可以看出，取代基的主本阻碍反应，是反映在违背动力学因素而不是热力学因素。

10 These mutations use a combination of steric hindrance, electrostatic contact remodeling, abrogating electrostatic interactions, and so on.

11 A rather more complex case is that of steric isomerism.

更复杂的情形是立体异构问题。

12 The effect of solvents and steric hindrance on the stereochemistry of cyclization is investigated in details.

并且考察了在环合反应中溶剂和空间位阻对立体选择性的影响.

13 SSD could acquire direct and steric image. Reconstruction methods of SCT could display more information of complicated spine fracture directly.

结论SCT重建是了解复杂性脊柱骨折的有效方法，几种SCT后处理方法相结合能更直观全面显示复杂脊柱骨折的具体情况。

14 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。

15 A multi - center fragmentation is governed by steric factors.

多中心断裂受到位阻因素的控制。

16 A multi-center fragmentation is governed by steric factors.

多中心断裂受到位阻因素的控制。

17 Some influences of steric effect, reaction temperature and solvent effects were discussed.

并简单讨论了立体效应，反应温度和溶剂效应对此还原反应的影响。

18 Due to the steric effect, there may be different toxicity mechanisms between long-chain and short-chain aliphatic alcohols.

由于空间位阻效应，长链脂肪醇与短链脂肪醇可能存在不同的毒性作用机理。

19 Based on this, the selectivity and steric hindrance for the adsorption of bile acids are discussed.

对树脂吸附胆酸过程中的选择性和位阻作了讨论。

20 Objective To explore steric morphological constructions of acupoints and provide correlative fine morphological image of acupoints.

目的:为揭示穴位的立体形态结构,提供穴位的相关精细形态图像资料.

1 空间的

spatial dimensional

2 空间

spatial spatially sterically roomage place room space clear vacuum void vacancy interspace dimensional vacuity space writer

3 原子之空间排列

sterically

4 位

potential emic place person figure bit bear

5 位的

potential emic