查询词典 molecule

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。

Objective To study the expression of adhesion molecule glycoprotein (CD44) in children with primary nephritic syndrome and its clinical significance.

目的 探讨原发性肾病综合征患儿外周血粘附分子CD44的表达特征及临床意义。

Methods A total of 152 patients with nerveroot cervical spondylosis were selected and divided into two groups: treatment group with medicinal broth of activate blood circulation (n=87) and control group with Jing Fu Kang (n=65). Pain degree, hemorheological indexes, serum interleukin10 and adhesion molecule were observed before and after treatment and the clinical therapeutic effect of the two groups were compared.

将152例神经根型颈椎病，随机分为活血化瘀汤治疗组(87例)和颈复康颗粒对照组(65例)，分别观察两组患者治疗前后主要症状疼痛程度、血液流变学指标、血清细胞因子IL10和血黏附因子的变化，并比较两组疗效。

State Huckel's rule for deternining whether a molecule is aromatic or antiaromatic or nonaromatic and List aromatic,antiaromatic,and nonaromatic compounds.

答： 根据休克尔规则判断下列化合物是否具有芳香性。并列出下列化合物哪些是芳香性物质，非芳香性物质，反芳香性物质

Gene conversion is defined as a nonreciprocal transfer of genetic information from one molecule to its homologue,which was first discovered in fungi.

基因转换是指遗传信息从一个分子向其同源分子单向传递的过程，使受体序列部分或者全部被供体序列所替代，而供体本身的序列不变。

The branched nature of glycogen makes it more accessible to glycogen phosphorylase during degradation, since this enzyme degrades the molecule by sequential removal of glucose residues from the nonreducing ends.

糖原的支链性质使它在降解时更易接近到糖原磷酸化酶，因为这种酶降解分子是从非还原端依次去除葡萄糖残基。

A nonstructural molecule called NSP4 is a toxin that may play a role in triggering profuse diarrhea.

称为NSP4的非结构蛋白分子是种毒素，可能引起严重腹泻。

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％。