化学过程

Meanwhile, several physicochemical descriptors of xanthone molecules were calculated by using quantum chemistry method.

同时，运用量子化学计算了山酮分子的物化参数，并选择相互作用能、疏水常数(log P；其中P为正辛醇-水分配系数)和山酮分子总能量作为分析结构-电泳迁移定量关系的物化参数，用以研究分离机制及在毛细管区带电泳分离中山酮类化合物与β-CD 和磺酸化β-CD间的分子识别过程。

Meanwhile, several physicochemical descriptors of xanthone molecules were calculated by using quantum chemistry method. Among the physicochemical parameters, interaction energy, the logarithms of octanol-water partition coefficient and total energy of xanthone molecules were selected to investigate the separation mechanism and describe molecular recognition process between the xanthones and the CDs in CZE by means of quantitative structure-electromigration relationships.

同时，运用量子化学计算了山酮分子的物化参数，并选择相互作用能、疏水常数(log P；其中P为正辛醇-水分配系数)和山酮分子总能量作为分析结构-电泳迁移定量关系的物化参数，用以研究分离机制及在毛细管区带电泳分离中山酮类化合物与β-CD 和磺酸化β-CD间的分子识别过程。

It was shown that ytterbium had a preference to be adsorbed at the crystal defects, enhancing the catalytic activity of substrate.

研究了添加稀土镱对镍磷合金化学镀镀层组织和性能的影响，探讨了镱在化学镀过程中的作用机制。

On the whole rapid prototyping process, zonal scanning is convenient for step motion to control.

整个软件在化学芯片快速成型过程中能够顺利的输出所需加工图形的信号，达到了基本要求。

MethodsThe FTIR was utilized to investigate the different parts of Abrus cantoniensis, the secondary derivative spectra and semi-quantitative analysis were used to analysis difference constituents of different parts of Abrus cantoniensis,.

目前，研究鸡骨草的化学成分主要采用紫外分光光度法、反相高效液相色谱法等［4～7］，这些方法前处理过程复杂、耗资多，很难直接应用于鸡骨草药材质量的快速评价。

The structural evolution of ultrafine NiB and NiP amorphous alloys prepared by c hemical reduction during the annealing process is investigated by X-ray absorpt ion fine structure, X-ray diffraction and differential thermal ana lysis techniques.

摘 要：采用X射线吸收精细结构，X射线衍射和差热分析等方法研究了以化学还原法制备的NiB和NiP超细非晶态合金催化剂在退火过程中的结构变化。

The amount of water in adrop or acrystal,the purity,the chemical composition,and how the water interacts with itself,the sample,and reagents are all critical variables in aprotein crystallization experiment.

液滴中或晶体中水分的量，纯度，化学组成，以及水分子之间/水分子与样品或结晶试剂之间的相互作用方式等，这些都是影响结晶过程的变数。

Objective To observe the revascularization process of chemically extracted acellular allogeneous nerve graft in repairing rat sciatic nerve defect.

目的 观察化学去细胞异体神经移植修复大鼠坐骨神经缺损后再血管化的过程。

The structure and component of several AlN samples are analyzed using X-ray powder diffraction.

讨论了PVT法生长AlN晶体所涉及的化学热力学过程和现象。

This was achieved by the formation of a conversion film on the alumium alloy surface and by the inhibition of cathodic process.

这种缓蚀作用主要是通过在铝合金表面形成一种化学转化膜和抑制阴极过程实现的。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。