双分子的

It was the interactional result of electronegative double bond and branched chain with positive induction effect and space steri.

研究发现，加入不同的添加剂使润滑脂的油膜强度、锥入度和滴点产生不同的变化，并对其产生的原因作了机理分析，认为是由于极压抗磨添加剂分子中带负电性的双键和带正诱导效应及空间位阻效应的支链共同作用的结果。

The algebraic method is used for the first time to study the vibrational spectroscopic constants and the vibrational spectra of three electronic states of alkali heteronuclear diatomic molecule: NaLi -、、 state. The dissociation energies of these states are studied using the algebraic energy method.

文章使用作者建立的基于微扰理论的代数方法，首次研究了碱金属异核双原子分子NaLi的、、三个电子态的振动光谱常数和振动能谱；使用基于AM的代数能量方法研究了这些电子态的离解能。

In this article, the domain structure of LBD genes, classes of LBD genes in model plants of monocotyledon or dicot, expression model, mutation phenotypes from loss of function or gain of function, and its relationship to other gene families were reviewed. Furthermore, the redundancy character of LBD genes, basic candidate function shared by LOB domain, and potential molecular mechanism of LBD genes interacting with other genes also were discussed.

本文对LBD基因的结构域特征、在单／双子叶模式植物中的分类、表达特点、己克隆LBD基因的功能及与其它基因或基因家族间的相互作用关系进行了综述，并对LBD基因在高等植物中的功能冗余特性、LOB结构域可能所具有的基本功能和LBD基因与其它基因相互作用的分子机制进行了探讨。

Studies show that the ECMI method produces most accurate potentials for these ionic states, and that the ECMI not only obtain accurate potentials near equilibrium internuclear distance, but also generate correct potential data in the ionic asymptotic and dissociation region where other methods may fail or may give less accurate results.

将获得的ECMI势能曲线与用其他理论方法得到的势能曲线进行的比较表明，ECMI得到了这些态的最好势能，而且ECMI势不仅能获得平衡核间距附近的精确势能，还能得到其他方法往往难以得到的双原子分子离子渐进区和离解区的正确势能。

The effect of particular saturated bridge during the course of ET and HT in rigid, covalently linked donor-bridge-acceptor dyads has captured the attention of scientists'in this field.

饱和桥在双生色团的给体-桥-受体体系的分子内电子转移和空穴转移过程中的作用一直是此领域的科学家们关注的焦点。

The increase in torsion angle between two phenyl rings as external bias increasing results in a weaker intramolecule coupling, which leads to a smaller conductance.

同时这种双硫原子的连接方式在外电场存在的情况下，其扭转角会随着偏压的改变而发生突变，从而使分子呈现出独特的电致开关的作用。

The concrete steps are: the lactic acid and small-molecule dicarboxylic acid react under the condition with the presence of the catalyst to directly polymerize the carboxyl-terminated lactic acid prepolymer; then the aliphatic polycarbonate diol and the catalyst are added; with the presence of the N2, the reaction is kept for 1 to 10 hours at the temperature of 150 to 200 Celsius system to get the poly lactic acid and polycarbonate copolymer of the low molecular weight; then the reaction is done in the twin-screw extruder at the temperature of 150 to 190 Celsius system to screw out the extension chain; finally the polylactic copolymer of the high molecular weight, toughness and heat resistance is made.

具体步骤是：乳酸和小分子二元酸在催化剂条件下反应直接缩聚合成羧基封端的乳酸预聚物，然后加入脂肪族的聚碳酸酯二元醇和催化剂，在N 2 气氛下，抽真空，在150～200℃温度下，反应1～10小时，得到低分子量聚乳酸/聚碳酸酯共聚物，然后在双螺杆挤出机中在140～190℃下，进行反应挤出扩链，最终得到高分子量的、韧性与耐热性较好的聚乳酸共聚物。

Our calculations show that the introduction of substituents with various electron effects in various ways may tune the spatial distributions of singly occupied molecular orbitals and the SOMO-SOMO energy splittings, and leads to tunable magnetic coupling properties.

我们的计算表明，通过以不同的方式引入不同电子效应的取代基可以调控两个单占分子轨道的空间分布以及SOMO-SOMO能隙，最终调控双自由基体系的磁耦合性质。

Sanger, F., et al. 1980. Cloning in single-stranded bacteriophage as an aid to rapid DNA sequencing. J. Mol. Biol.

Sanger酶学法的原理[2]即用双脱氧核苷酸作为链终止试剂，通过聚合酶的引物延伸产生一系列大小不同的分子后再进行分离的方法。

The results showed that C 2H 6 can be adsorbed on the surface terminal oxygen of Lewis base site P=O bonds through H atom in -CH 3 to form a molecular adsorption state, and the adsorption intensity of C 2H 6 increases with the rising of adsorption temperature.

结果表明，乙烷能够以 CH3 中的H原子吸附于催化剂表面P =O键的端氧上形成分子吸附态，并且随着吸附温度的升高，对乙烷的吸附强度逐渐增大；乙烯则主要是以C =C双键吸附在催化剂的Lewis酸位Fe3 +上。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。