查询词典 molecular

The conception,main feature,foundation stone and research area of molecular nuclear medicinemolecular recognition as rationale, radioisotope labeling as tracer, we can explore the vital phenomena and disease take place from molecular level and give ,meanwhiles, giving a correctly diagnose and therapy of disease.

分子核医学的概念（以分子识别作为理论基础，利用放射性核素标记的示踪剂，从分子水平去认识生命现象和疾病发生、发展的规律，从而诊断与治疗疾病的一门综合性的边缘性学科）、主要特点、理论的基石与研究领域

Molecular Formula and Molecular Weight : C27H32O14; 580.53Melting Point and solubility: When crystallized from water ,it contains 6 to 8 mol H2O, mp 83℃. After drying at 110℃ to constant weight, it contains 2 mol H2O, mp 171℃. Sol in methanol,alcohol, acetone, warm acetic acid,dil alkali and hot water.

熔点及溶解度：纯品柚皮甙中结晶水的含量及其熔点因结晶和干燥方法而异，以水作溶剂结晶所得柚皮甙分子中含6～8个结晶水，熔点83℃；而在110℃下干燥至恒重后得到的柚皮苷分子含有2个结晶水，其熔点升至171℃。

Low molecular N,O-carboxymethyl-chitosans with different degrees of substitution were synthesized under heterogeneous conditions by controlling the reaction temperature,the reaction time and the molar ratio of low molecular weight chitosan to chloroacetic acid.

采用不同反应温度、反应时间和低分子量壳聚糖与氯乙酸摩尔比，在非均相反应体系中合成了不同取代度的低分子量N，O-羧甲基壳聚糖。

Lower molecular weight and broader molecular weight distribution in thermoplastics favor lower orientation and reduced internal stress in moldings.

在热塑性塑料中较小的分子量以及较宽泛的分子量分布促成方向性减少同时降低注塑件中的内应力。

It is developed from the new generalized equation of state for real gases, proposed by the author in 1978, and takes account of the existance of higher molecular clusters (such as dimers, trimers and all degrees of accociation of molecular aggregates) in saturated vapors.

本文在作者1978年提出的《一个新的实际气体通用状态方程》的基础上，进一步考虑到饱和蒸汽中出现多重复合分子(双分子、三分子、四分子、……)的可能性，得出了一个饱和蒸汽的对比状态方程。

Biotechnology Research Institute is primarily dedicated to education and research in biotechnology including molecular bio-pharming, subviral RNA pathogens, the metabolism of lipids and lipoproteins, functions and immune suppression, cell division and DNA replication, membrane lipids, antioxidants, molecular-genetic analysis of RNA viruses, blood coagulation.

主要致力于生物技术的教学与研究，研究领域包括分子生物药物化学，亚病毒RNA病原体，脂类和脂蛋白的物质代谢，机能和免疫抑制，细胞分裂和DNA复制，膜脂，抗氧化剂，RNA病毒的分子－遗传分析，血凝固等。

The experimental results showed that the molecular weight and its distribution is restrained by the reaction mass's ratio, reaction temperature, and the different addition of reaction promoter, molecular weight regulator and additive, the correspinding product's scale inhibitive perfomance of Water Stabiliser is different.

结果表明：单体配比、反应温度、引发剂、分子量调节剂和添加剂的不同用量对分子量及其分布都有制约作用，相应的水质稳定剂产品的阻垢性能也不同

Selected several kinds of classical humic and fulvic acids molecular model, interacted with metal iconand Simazine of organic pesticide molecule, drawed up its two-dimensional molecular structure modelusing Hyperchem software and converted the two-dimensional drawjings into three-dimensional chemicalmodels and performed a geometry optimization calculation.

选取几种经典的胡敏酸和富里酸模型，使其与金属离子和西玛嗪分子作用，将生成的结合物利用HyperChem软件绘制二维分子结构模型，然后将其进行三维转换和结构优化。

The binding of different halide anions to four strapped calix[4]pyrroles was studied by means of molecular mechanics and molecular dynamics simulations methods. The results indicate that the anion binding ability of calix[4]pyrrole-type systems could be effectively tuned by modifying the length and nature of the bridging straps. In this process, it was the most stable conformation upon anion binding due to the formation of four NH\|halide hydrogen bond, simultaneity, the difference of cavity by modifying straps adapted themselves to different halide anion.

模拟结果表明，加入带状修饰链和调节链长可以增强对某种特殊卤素阴离子的识别，在这个过程中，卤素阴离子与杯[4]吡咯NH上的氢形成的多氢键使主体分子与阴离子形成稳定复合物，同时带状修饰链通过改变杯吡咯空腔大小影响主体分子与卤素阴离子的氢键相互作用，从而调节了对不同阴离子的识别能力。

The gas-to-powder conversion is carried out following the route: DMS pyrolyzes and forms product molecule and molecular clusters, the product molecular clusters that grow to and above the critical size by random collisions with molecules and other clusters become elementary particles, the elementary particles grow further by collisions and fusion with molecules, clusters and other elementary particles to form resulted SiC particle.

论文采用TEM、HREM、XRD、IR、NMR、中子衍射、Raman光谱和定量化学分析、光透沉降粒度分析等手段，对制备得到的纳米SiC粉体进行了系统表征研究，并研究了SiC纳米粉体的成核、生长、晶化过程和机制，指出化学气相反应法制备SiC纳米粉体的过程是一个均匀成核→核子生长形成初始颗粒→初始颗粒熔融碰撞→产物粉体的过程。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。