查询词典 diatomic molecule

Optimized and calculated geometric structure and infrared spectrum of benzoic acid molecule with density functional B3LYP method on 6-311G ** base cluster level,and compared the calculated infrared frequency of each conformation of benzoic acid with actually-measured infrared spectrum,thus determined molecula.

用密度泛函 B3LYP方法在6-311G**基组水平上对苯甲酸分子的几何结构和红外光谱进行了优化和计算，并将计算所得的苯甲酸各构象的红外频率与其实测的红外光谱进行比较，确定了在晶体中苯甲酸的分子结构，同时在计算中给出了各种频率所对应的红外强度，对光谱进行了归属。

Molecule design and preliminary structure selection for monoazo disperse dyes can be based upon t...

根据染料的溶解度参数，可以进行单偶氮分散染料的分子设计和初步筛选。

Advances on molecule-bolt selective monochlorination and reaction-separation coupling techniques for chlorination reaction in the world were introduced, and the control technology which achieved high selectivity was showed.

结合氯化反应的工程应用，对有机氯化反应过程安全事故的形成原因进行了初步分析，并提出了反应过程安全控制的技术方法。

Bacillus mucilaginous; silicate mineral; weathering; molecule mechanism; polysaccharide; protein

胶质芽孢杆菌；硅酸盐矿物；风化；分子机制；多糖；蛋白质

To understand how cells multiply out of control and form tumors, scientists have long focused on proteins that regulate cell growth. But another type of molecule is muscling its way into the field.

为了了解细胞是如何失去控制地倍数繁殖而形成肿瘤，科学家们已长期关注在调节细胞生长的蛋白质分子，不过另一类型的分子正试着挤身进入这个领域。

Over time it became apparent that a central player in myotonic dystrophy was RNA, a versatile molecule that is very similar to DNA.

随着时间推移，很明显RNA在强直性肌营养不良中起了核心作用，RNA是一种类似于DNA普遍存在的分子。

In the past twenty years the most processes of dissociation and ionization of NaK molecule were studied by using the weak laser fields.

在过去二十年中，人们采用弱激光场研究了很多NaK分子解离与电离动力学过程。

Non-doped red-emitting electrofluorescent single-layer organic light-emitting devices based on an ambipolar small molecule, 4, 9-bis 4-(2, 2-diphenylvinyl phenyl naphtho[2, 3-c][1, 2, 5] thiadiazole, were studied.

以双极性小分子4， 9-二（4-（2， 2-二苯乙烯基）苯基）萘并[2， 3-c][1， 2， 5]噻二唑为发光层，制备得到了单层非掺杂红色荧光有机发光二极管。

In the same time, the intra-molecular photoinduced electron transfer process between naphthyl group and nitrogen atom of tertiary amine group at the tip of molecule was found and this process strongly depends on the acidity of solution.

通过对该类化合物在溶液中的光物理行为以及酸度影响的比较研究，观察到以叔胺为骨架的三足化合物存在分子内光诱导电子转移，且这一过程强烈地依赖于介质的pH值；叔胺基的氮原子质子化将会减弱这一PET过程。

HIV-1 nef downregulates the expression of cell surface HLA-1 molecule as well as induces cell apoptosis.

HIV-1 nef下调细胞表面的HLA-Ⅰ类分了及诱导细胞凋亡。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。