查询词典 molecule

Carbamic acid is formed in reaction(1)and this picks up another molecule of ammonia to give ammonium carbamate.

氨基甲酸按反应（1）生成，它结合另一分子氨生成氨基甲酸铵。

Because of attraction between water molecule and carbonium ion, the severe contract in system volume brings about activation volume effect (the most negative A〓 observed in this work is 407cm〓mol〓), which produces subtle relationship between reaction kinetics and pressure in a certain operating region.

反应过渡产物正碳离子及水合正碳离子与近临界状态水分子之间强烈相互吸引导致反应活化体积出现极负值现象（本实验所测极值为-407cm〓·mol〓，这使得水解动力学参数对反应压力存在敏感依赖关系。

Chapter 2 Study on the preparation and application of a new electrical active-inactive switch molecular beaconWe developed a new electrical active-inactive switch molecular beacon and used carminic acid as signal molecule.

第二章：新型电化学活性-非活性转换分子信标的研制及其应用本章中，首先提出了一种基于电化学活性-非活性分子转换的新型分子信标。

Lysyl oxidase catalyses the cross-linking of fibrillar molecule of type I collagen into mature insoluble extracellular matrix.

离胺基氧化酶会催化胶原蛋白共价交联的过程以形成成熟不可溶的细胞外间质成份。

However, the fabricbeing made of cellulous fiber such as cotton, can form wrinkle easily in theproceeding of using, because of their special super molecule structure and chemical structure.

但是，棉纤维由于其特殊的超分子结构和化学成分，在服用过程中容易形成死皱，严重影响了服装的服用美观性。

The struture of compound 12 was determined by X-ray crystallography analysis. The molecule is centrosymmetric dimer and has a core of Sn-2O-2 unit.

通过对化合物的核磁共振谱、红外光谱、元素分析的研究，确定化合物的组成和结构及形成结构的原因。

The different types of cetyl β-naphthoate molecule films were prepared by the Langmuir-Blodgett technique.

L一B技术是一种能实现分子有序排列并产生特殊的介质环境的有效手段

Self-assembly of functional molecule has attracted wide attentions in recent years in material science and chemis...

功能分子自组装是界面化学和材料科学的前沿领域。

The Lewis acid sites M〓 on the surface of catalysts can chemisorb continuously gaseous molecule oxygen and transform it into lattice oxygen of the catalysts.

在反应过程中，有表面羟基形成，羟基相互作用形成H〓O，催化剂表面Lewis酸位M〓吸附气相中分子氧，并将其转化为晶格氧，使催化剂表面复原。

The invention is characterized in that the molecule of the polymer adsorption material has a structure in formula I: in the formula, R is selected from the natural polysaccharides with amino groups and hydroxyls and the derivatives thereof or the chemosynthetic polymers, the molecular weight of which is from 6 KD to 500 KD; X is selected from a C0 to C6 paraffinic chain with O atoms, N atoms or OH groups; R1, R2 and R3 are selected from a C1 to C4 alkyl group.

生物医学材料领域中的水溶性阳离子多聚物吸附材料及其应用，包括采用带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物季铵化反应合成，其特征在于该多聚物吸附材料分子具有式的结构：式中，R选自粘均分子量范围为6KD～500KD的带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物；X选自含有O原子、N原子或者OH基团的C 0 ～C 6 烷链；R 1 、R 2 、R 3 选自C 1 ～C 4 的烷基。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。