查询词典 molecule

Gas-phase reactions of Cu〓, Ag〓, Au〓 with ethanethiol molecule have been studied for the first time.

首次研究了Cu〓、Ag〓、Au〓与乙硫醇的气相反应。

This dissertation includes two parts. The first part deals with study on gas-phase reactions of metal ions with ethanethiol molecule by using the laser ablation-molecular beam method and density functional calculations. The second part describes experimental and theoretical study on VUV photoionization of some molecules using synchrotron radiation.

本论文分两大部分，第一部分介绍利用激光溅射-分子束技术研究金属离子与乙硫醇的气相反应，并用密度泛函理论研究了反应形成的团簇离子的结构和特性；第二部分介绍一些分子的真空紫外同步辐射光电离，结合量化计算分析了实验结果。

Then,the core molecule was used as a coupling agent to condensate with polyethylene glycolsof different molecular weight or polyethylene glycol monomethyl etherin the presence of stannous octoate as catalyst and diphenyl ether as azeotropic agent to remove water.

在辛酸亚锡催化下，以二苯醚为共沸脱水剂，将三官能度小分子TMP-SK3作为偶联剂，进一步与不同分子量的端羟基聚乙二醇和聚乙二醇单甲醚缩合，减压下共沸脱水，制备了以TMP-SK3为核，PEG或PEGm为臂的三臂星形大分子。

The reaction proceeds by ethene chemical adsorption to form the surface ethoxide and the C-C bond formation between the ethoxide and the second ethene molecule to form the butoxide product.

乙烯化学吸附生成的烷氧化合物与物理吸附的乙烯分子发生二聚反应生成新的C-C键同时生成新的烷氧化合物。

The analysis shows that, the larger the mol value of ethylic sequence in high molecule chains, the higher the low-temperature viscosity, the worse the low-temperature starting performance and pumpability.

通过分析得出：随着高分子链中丙基序列所占摩尔分数的增大，低温粘度变大，低温启动和泵送性能变差；而随着乙烯基含量的增加，低温粘度下降，低温性能变好。

The molecule of antibacterial peptide displays α-helical structure of amphipathicity, which can form the ion-channel to induce the death of pathogen on the protoplasmic membrane of bacterium, eumycete and parasite.

抗菌肽分子呈双亲性的α-螺旋结构可使细菌、真菌、寄生虫的质膜形成离子通道，从而导致这些病原体死亡。

And in fact when we evaporize a carbon using a laser, I did that with the group of Richard Smalley and Bob Curl in Rice University. We discovered this fantastic molecule.

事实上，当我们用一束激光蒸发碳原子，那是我和Rice大学的Richard Smalley 和 Bob Curl研究组合作的实验，我们发现了这个让人难以置信的分子。

The molecule mechanism of anti-atherosclerosis is related with the channel of regulating PPARγ. As a new and higher specificity PPARγ excitomotory, Maixinkang is anticipated to supply more effective treatments for anti-atherosclerosis and lipid anomal-metabolism.

其抗动脉粥样硬化作用的分子机制与过氧化体增殖物激活型受体γ调控途径有关，有望成为中医药领域中新的、特异性较高的过氧化体增殖物激活型受体γ激动剂，为抗动脉粥样硬化和脂代谢异常提供更佳的药物选择。

Small molecule atomic particles, atoms extranuclear electron transfer.

份子原子小粒子，原子核外电子转。

The main metabolites in each reactor were detected by UV/VIS, infrared and high performance liquid chromatography and mass spectrometry. Probably, the mother dye molecule facultatively hydrolyzed to produce 1-NH2-2-hydroxy anthraquinon, OH-substituted anthraquinon and 3,4-dihydroxy-benzonic acid.

对各反应器中主要的代谢产物分别进行紫外-可见、红外和高效液相色-质联谱仪检测分析后发现，母体染料经兼氧水解首先生成1-氨基-2-羟基蒽醌以及还原态的—OH基取代蒽醌隐色体，进一步水解生成3，4-二羟基苯甲酸。

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％。