查询词典 hydrogen

A compound of hydrogen with another, more electropositive element or group.

原子量为从57到71的稀土元素；具有与镧类似的性质。

Variations of pH and electrical conductivity in ice core record mainly depend on precipitation and the input of dissolved species. In fact, it is due to the displacement reaction of hydrogen ions and electropositive cation.

与丽江气象台站的降雨量资料比较发现，在海洋性冰川区浅冰芯pH和电导率的变化与降雨量和周围地表可溶性离子的输入量关系密切，并与降雨量呈显著的负相关关系。

A chemical compound formed by replacing all or part of the hydrogen ions of an acid with metal ions or electropositive radicals.

盐类：由金属离子或正电原子团替代酸中所有或部分的氢离子而得到的化合物

The results show that the intercalation of P has less effect on the layered structure of bir-MnO2. P is adsorbed on surface of bir-MnO2 via the hydrogen bond and electrostatic action.

结果表明，P的引入，对复合材料中bir-MnO2的层状结构破坏较小，P通过氢键和静电作用吸附在bir-MnO2的表面。

The electrostatic interaction, hydrogen bond and cooperative effect of the eightmembered ring were formed simultaneously.

此时吸附剂与内毒素之间存在静电、氢键、疏水相互作用和八元环的协同作用。

It is considered that the chitosan can bind with nucleic acid through not only electrostatic attraction and hydrogen bond, but also hydrophobic force, which results in the increase of light scattering intensity of the system.

机理研究指出，壳聚糖与核酸间的相互作用，除静电作用和氢键外，还有疏水作用存在。

In addition, IR-spectra of DNA and DNA-indirubin adduct imply indirubin interacts with the phosphate groups of DNA by hydrogen bond or electrostatic interaction.

另外，在最优化条件下，靛玉红峰电流的降低与DNA的浓度在一定范围内存在良好的线性关系，以此进行了DNA样品回收率的测定，结果满意。

The combination energy includes hydrogen bond energy and electrostatic energy of ionic-pair,and contribution of the later is main.

分析晶胞发现每一个晶胞包含四个EM IM+/C l-离子对，测定咪唑环上C2和C l原子的距离为0.355 nm，认为C2-H…C l间形成了氢键。

On the basis of all the experimental results and the molecular modelling study, it is considered that Jatrorrhizine and Berberine binds to the site I and site II mainly by hydrophobic interaction and there are hydrogen bond and electrostatic interactions.

荧光竞争实验以及分子对接研究表明药根碱和小檗碱的结合区域分别位于蛋白质的亚结构域ⅡA和亚结构域ⅢA中，主要通过疏水作用结合，但还包括静电作用力、氢键。

Based on the models, we elucidated the distribution of the stericfield, the hydrophobic field, the electrostatic field, the hydrogen bond acceptor andhydrogen bond donor, which contribute to the activity.

通过对CoMFA和CoMSIA模型的分析，确定了抑制剂上对活性有利的立体大基团、疏水性结构、电性基团以及氢键供受体等在靶酶活性结合部位的空间分布情况。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。