查询词典 diatomic molecule

Using progesterone and bovine serum albumin as model compounds respectively, fluorescent labeled small molecule hapten and large molecule antigen were prepared.

1以孕酮和牛血清白蛋白为模型化合物，制备了小分子半抗原和大分子抗原的荧光标记物，研究了标记物的抗原活性和光谱性质，结果表明标记物是有效的毛细管电泳免疫分析试剂；制备了抗体F〓片段，研究了其抗体活性，结果表明F〓片段比整个抗体更适合作为毛细管电泳的免疫分析试剂。

In general, any molecule that is attracted to water molecule s is said to be hydrophilic water-loving

通常，任何被水分子吸引的分子都称为亲水的。

Kinetics of methanol dehydration to dimethyl ether on modified kaolin catalyst was studied in an integral reactor under normal pressure. It is deduced that the surface reaction of methanol molecule adsorbed on the active site of catalyst with methanol molecule in gas phase is the rate determining step. The hyperbolic type kinetic equation r=ksbMpM2/(1+bMpM+bpE) is obtained according to the theory of langmuir even adsorption and using the R-E mechanism.

采用积分反应器，考察了常压下在改性高岭土催化剂上甲醇脱水生成二甲醚的反应动力学，根据Langmuir均匀吸附理论，采用R-E机理，推断吸附的甲醇分子与气相主体中的甲醇分子发生的表面反应为速率控制步骤，得到双曲线型动力学方程为： r= ksbMpM2 /(1+bMpM+bpE)（r为反应速率， ks为反应速率常数， bM为甲醇的吸附平衡常数， b为二甲醚和水的吸附平衡常数之和， pM、 pE分别为甲醇、二甲醚的分压）。

Bioinformatics represents a new, growing area of science that uses mathematics, informatics and computational approaches to answer biological questions. Recently years bioinformatics develops greatly with the molecule sequences data's rapidly increasing, and the genome sequence analysis mainly involving gene prediction and molecule evolution, becomes its primary research field.

生物信息学是运用数学、信息学、计算机科学等来阐明生物学意义的一门新兴交叉科学，近年来随着分子数据的快速增加而获得极大发展，其中包括基因预测和分子进化研究等内容的基因组序列分析是生物信息学的主要研究领域。

On the basis of the characteristics of atomic types in molecule,Hall's electrotopological state indices and Kier's molecule shape index(~mK are calculated for 117 alkane s,cyclanes,aliphatic alcohol,aliphatic ketones.

本文计算了117种烷烃及其衍生物的两类拓扑指数值：其一是基于原子类型特征的电性拓扑状态指数，其二为Kier的分子形状指数。

On the basis of the characteristics of atomic types in molecule,Hall's electrotopological state indices and Kier's molecule shape index(~mK are calculated for 117 alkanes,cyclanes, aliphatic alcohol ,aliphatic ketones.

这些拓扑指数被用于关联117种烷烃及其衍生物的色谱保留指数，经逐步回归与偏最小二乘法，建立了烷烃、环烷烃、脂肪醇及酮的R.I。与En、mK的4个最佳方程。

The excited and emission spectra of anthrone derivative, lactoflavin and chlorophyll a in different solvents are taken and the fluorescence yields has been estimated. The results show that the emission spectrum depends on the structure of molecule, and shifts to red with increasing of number of π electrons in the molecule.It is...

本文通过考察三种具有不同π电子数的有机共轭分子在不同溶液中的光谱特性，观察其激发光谱和发射光谱的变化情况，比较同一分子在不同溶液中的荧光量子产率，并通过对各类有机共轭分子溶液的光谱分析比较，以获得有机共轭分子的发光受溶剂影响以及同一溶液中不同有机共轭分子间发生非辐射共振能量转移的信息。

It has foundβ1,4-GalTⅠas a recognition molecule participated in the adhesion and spreading of cell, recognition of sperm-ovum, growth of nerve neurite, the formation of tissue and tumor metabasis as an adhesive molecule. Embryo implantation is similar to tumor metabasis and invasion.

细胞表面的β1，4-GalTⅠ作为一种黏附分子，参与细胞黏附、铺展、精卵识别、神经轴突生长、组织形成和肿瘤转移，而胚胎着床与肿瘤转移、侵袭过程非常相似。

There were different contamination conditions for different PAHs components in soils. Soils in urban area were severer contaminated by the height-weight-molecule PAHs than soils in agriculture area. However, there were the similar contamination level among different usages soils for the light-weight-molecule PAHs, such as naphthalene and methylnaphthalene.

不同种类的PAHs对不同利用类型土壤的污染情况也不相同，分子量较大的多环芳烃与总PAHs污染情况相似，表现为城市用地的污染程度要明显高于其它类型土壤；但分子量较小的组分，如萘和甲基萘，在不同利用类型土壤中污染程度相近。

Antigenic protein vaccines contain many CD8~+ T cells epitope and CD4~+T cells epitope, they can be presented by not only MHO I molecule but also MHC-II molecule and active immune response.

蛋白疫苗的特点是含有己知和未知的CD8~+T细胞表位和CD4~+T细胞表位，不被特定的HLA表型所限制，既可通过MHC-Ⅰ类分子途径，又可通过MHC-Ⅱ类分子途径激活抗肿瘤免疫应答，因此采用蛋白疫苗可能具有更大的临床应用意义。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。