查询词典 molecule

A water molecule (formally known as dihydrogen monoxide) is composed of two hydrogen atoms and one oxygen atom.

水分子由两个氢原子和一个氧原子组成。

Nitric Oxide resides in extensively all organizations of human body,being an effector molecule of multi- biologic activity,It has diphasic action of cytoprotection and cytotoxicity.

一氧化氮广泛存在于人体各组织中，是一种具有多种生物学活性的效应分子，有细胞保护和细胞毒性双重作用。

Configurational isomerism is then due to the presence in the molecule of one or more dissymmetric centers, in the simplest case asymmetric carbon atoms, each of which can have and absolute configuration; and, or, to the presence of double blonds which can the presence of double blonds which can give cis- and trans- geometrical isomers.

科技英语要求客观性，准确性和严密性，科技英语要求客观性，准确性和严密性，既满足语法修辞的要求，又符合逻辑和客观实际。

A-Methylnaphthalene contains a methyl group, which is a strong donor group, so the reaction of a-methylnaphthalene with C14 AOS acid had a higher conversion of aromatic than did the reaction of benzene with C14 AOS acid. After alkylaryl sulfonic acid is formed, it will continue to react with another AOS acid to rapidly produce dialkylaryl disulfonic acids owing to the electron- donating effect of the long alkyl chain in the alkylaryl sulfonic acid molecule.

a-Methylnaphthalene包含一个甲基集团，这是一个强大的捐赠团体，所以 a-methylnaphthalene反应出了与C14酸更高的转换的反应比苯与C14活性氧酸。alkylaryl磺酸为后形成，它将继续与另一出酸 dialkylaryl disulfonic迅速产生的电子-酸捐赠的长期效果在alkylaryl烃链磺酸分子。

The molecule of taxol is an extremely complex diterpene with a taxane ring structure fused with a four-membered oxetane ring, an ester side-chain at position C-13 and a benzoyl side-chain at the C-2 position Fig.

紫杉醇分子是一个极其复杂的四环二萜类化合物：一个紫杉烷环加一个四个元素组成的氧烷环，在C-2和C-13上还分别有一个苯氧基和酯基侧链。

By using lead ion as the template molecule, sodium vinylbenzoic- acid as the functional monomer and divinyl benzene as the cross-linking monomer, lead molecularly imprinted polymers were synthesized by preassembling and surface-imprinting technology.

以对乙烯基苯甲酸钠为功能单体，铅离子为模板分子，对乙烯基苯为交联剂，采用预组装方法结合表面印迹技术合成得到铅的分子印迹聚合物。

The influences of the concentration and generation of polyamidoamine dendrimer, the ratio of dodecanoic acid to toluene, and pH in the water phase on the extraction yield of helianthine were systematically studied by selecting helianthine as the guest molecule and electrostatic self-assembled PAMAM as the host.

本文采用低支化树枝状大分子聚酰胺胺与月桂酸进行分子自组装得到了一系列具有稠密的疏水性外围和亲水性内核的自组装大分子，再以自组装大分子为宿主，系统地研究了树枝状大分子聚酰胺胺的浓度、支化代、月桂酸与甲苯的质量比及水相pH值对客体分子甲基橙相转移行为的影响规律。

Objective To study effects of diphosphonate and assemble flavone of drynaria rhizome on the osteoblast at the level of molecule.

目的 探索二磷酸盐和骨碎补总黄酮联合作用如何在分子水平发挥作用于成骨细胞，揭示其效果如何。

Disperse dyestuff could dye the blended filament. As PO component was increased from 0 to 8%, there was a further increase in dye uptake. This conclusion seems to contradict the result of the same subject in the relative literature. It is because PO, which was blended in dyeable fine polypropylene, has suitable molecule weight and narrow MWD.

本课题在研究PO添加量对平衡上染量的影响时，发现分散染料的平衡上染量随着PO添加量的增大而增加，与文献资料中介绍的类似添加剂添加情况正好相反，这是由于本课题采用的添加剂是PO。

IUGR can induce the obstacle of signal transduction and effecter molecule by impacting on IRS?2,which might be one of the molecular mechanisms of IUGR with insulin resistance at adult.

宫内发育迟缓对胰岛β细胞上胰岛素信号分子胰岛素受体底物2的影响导致胰岛素信号转导通路障碍，这可能是胎儿宫内发育迟缓鼠成年后发生胰岛素抵抗的原因之一。

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％。