stereochemical

The stereochemical results were discussed .

本文还讨论了反应的立体化学结果。

LC is mainly based on mechanisms of adsorption , mass distribution , ion exchange , size exclusion or stereochemical interaction .

液相色谱主要是基于吸附，质量分配，离心交换，尺寸排阻或立体化学相互作用。

A study to determine the factors influencing the stereochemical results has been reported .

有关测定这类立体化学的影响因素的研究，也有报导。

Special considerations necessary for stereochemical impurity investigations are also discussed .

特别对于光学异构体相关物质的研究也进行了讨论。

Effect of Hydrosulfide - Reactors on Stereochemical Structure of AChE by Atomic Force Microscopy

原子力显微观察巯基反应剂对乙酰胆碱酯酶立体结构的影响

Stereochemical Effects in Mass Spectrometry (ⅹⅴⅲ) ── Detection of Chirality or α - Amino Acids by Reaction Mass Spectrometry

质谱中的立体化学效应（ⅩⅤⅢ）&用反应质谱法检测α－氨基酸的手性

A plausible transition state was proposed to explain the stereochemical results , and the structure-activity relationship of catalysts was studied .

进而提出了一个合理的过渡态对催化效果进行解释，并研究了催化剂的构效关系，为进一步设计高效的催化剂提供了方便。

The binding geometry determined by interaction of the residues and bases in recognition area is indicated in the stereochemical chart .

决定氨基酸残基和碱基相互关系的结合几何图形表示为立体化学图，它表明了识别的特异性。

Stereochemical Effect in Mass Spectrometry ( 19 )── Determination of the Optical Purity of α - Phenylethylamine by Mass Spectrometry

质谱中的立体化学效应（19）&对映异构的α－苯乙胺光学纯度质谱测定

Regulation of Stereochemical Composition of Poly - γ - glutamic Acid in Bacillus subtilis NX-2

BacillussubtilisNX-2合成γ-聚谷氨酸的立体构型调控机理

It has been well established that the receptor selectivity and organ specificity not only depends on the chemical properties but also the stereochemical properties .

M受体拮抗剂分子对受体亚型的选择性和组织的特异性不仅决定于其化学结构，更决定于立体结构。

Stereochemical dependence of carbon-13 NMR relaxation in 1,2-polybutadienes in solution

1,2-聚丁二烯~（13）C-NMR弛豫的立体化学依赖性

The cells were globular with clear nucleoles , and the stereochemical structure after dynamic and static culture was similar with that of normal chondrocytes .

倒置显微镜下见凝胶微球中的细胞呈球形，核仁清晰，动、静态培养后立体结构相似。

As the most valuable antibiotic , the design and synthesis of these compounds , and their stereochemical characteristics , has become one of the frontier fields in organic synthesis .

作为具有广泛应用价值的抗生素，该类化合物的设计合成和立体化学研究，一直是有机合成化学研究的前沿和热点领域之一。

Because of mild reaction conditions , high conversion ratio and outstanding stereochemical specificity , biocatalysis has become the most promising and first choice method in the asymmetric synthesis .

利用生物不对称催化具有反应条件温和、转化率高及立体选择性好等优点，已经成了诸多手性合成方法的首选。

Moreover , the parameters affected the stereochemical outcome of the reaction , such as solvent , substrate design , immobilization and directed evolution , were more understanding .

另外，人们对影响反应生成的立体化学产物的参数（溶剂、物设计、定化、向进化等）了进一步的了解。

Stereochemical dependence of 1H , 13C chemical shifts in unequal dialkyl groups and 31P 13C spin-spin coupling constants were studied and discussed .

研究和讨论了不等价的二烷基~1H、~（13）C化学位移和磷碳偶合常数与立体化学的关系。

The structures and properties of the compounds are profoundly affected by the unusual stereochemical effects of the so-called lone-pair electrons in heavy p-block elements in lower oxidation states .

p区重元素亚价态离子具有立体化学活性的孤对电子，对化合物的结构和性能都产生很大的影响。

Alteration of stereochemical structure of TTR raised the formation of fibrils that deposited in the tissue , leading to familial amyloid polyneuropathy and senile systemic amyloidosis .

当TTR立体结构发生改变，可以聚合形成纤维状结构沉积于细胞间质，可以导致家族性淀粉样多发神经病和老年性淀粉样变。

The challenging structural and stereochemical features as well as their interesting biological activities of these compounds have aroused the interesting of many researchers toward the synthesis of pyrrolo [ 1,2-a ] indoles .

这些天然产物具有的挑战性结构和立体化学特征以及有趣的生物活性激起了人们对吡咯并[1,2-a]吲哚衍生物的合成研究兴趣。

Atom economy is important as a new standard to measure the quality of a synthetic method , however , the economic consideration has to be taken on the basis of stereochemical selectivity / specificity . This fact indicates that chemical specificity is more fundamental and important .

原子经济性，作为衡量合成方法效能的新标准是重要的，但经济性的考虑必须建立在立体化学选择性/专一性的基础上，这表明化学专一性是更基本的，因而是更重要的。

Compounds 1a , 2 and 3 possess 2 or 3 three-center two-electron bondings , suggesting that it is necessary to adopt a delocalized molecular orbital bonding description to account for their electronic and stereochemical requirements . [ WT5HZ ]

化合物1a，2和3具有2或3个二电子三中心键，表明该类化合物具有与传统C化学不同的电子结构和立体化学构型。