结构稳定性

The process of extraction of antimicrobial substance from Eleocharis tuberose peel with ultrasonic were studied; the properties of antibacterial substances were studied; antibacterial substances was isolated by TLC and silica gel colum chromatography, and the structure of antibacterial substances were identified useing liquid chromatograph mass spectrometer.

包括：采用超声波法提取荸荠皮抑菌物质并获得最佳工艺条件；研究了荸荠皮提取物的稳定性及其对多种菌的抑制作用；通过薄层层析和硅胶柱层析对抑菌物质分离纯化后对抑菌成分进行了初步的结构鉴定。

At present, the highway communication in the west of our country is in energetical developing period, and some western provinces are the most serious area of expansive soil, so expansive soil engineering problems have already become one of the technological difficult problems demanding prompt solution in road construction in the west of our country.

本文结合南友路路堤试验段修筑的处治膨胀土路堤，分析全填膨胀土路堤与各种处治路堤在降雨条件下的不均匀变形，并在此基础上进行路面结构的力学响应分析以及路堤边坡的稳定性分析。

Esculetin had the highest affinity toward the binding site of XO, and this was due to hydrogen bonding interactions. The hydroxyl group at C-6 formed hydrogen bonds with the carboxyl group Glu802 that played critical role on XO binding.

在8种香豆素衍生物中发现esculetin与黄嘌呤氧化酶的亲和力最高，因为在esculetin的结构上，C-6的OH基团可与麸胺酸802的COOH基团形成氢键，此键结对於抑制黄嘌伶氧化酶活性是很重要的，因而增加了两者结合的稳定性。

In present project, we described the basic characteristics of the sporoderm about the primative and advanced fern of Filicales and elucidated the origin of diferent layers of sporoderm, formation stage of sporoderm and the formation and stability of the ornamentation of sporoderm.

描述了真蕨目中原始类群和进化类群孢壁结构的基本特征；阐明了孢壁的来源、形成时期、纹饰的形成和稳定性等重要的孢粉学问题。

With its enlargement of scale, and increasingly complex structure and running mode, the power system requires that the excitation system has better operation performance, higher reliability, better economical efficiency and flexibleness.

随着电力系统规模的不断增大，系统结构和运行方式日趋复杂，对同步发电机励磁调节器运行的可靠性、稳定性、经济性和灵活性都提出了更高的要求。

With its enlargement of scale, as the structure and run mode of it are increasingly complexing, the power system requires that the excitation system has better operation performance, higher reliability, better economical efficiency and flexibleness.

随着电力系统规模的不断增大，系统结构和运行方式日趋复杂，对同步电机励磁控制器运行的可靠性、稳定性、经济性和灵活性提出了更高的要求。

With its scale become larger and larger and the structure and run mode are increasingly complication, the power system requires the excitation system has better operation performance, higher reliability, better economical efficiency and flexibleness.

随着电力系统规模的不断增大，系统结构和运行方式日趋复杂，对同步电机励磁控制器运行的可靠性、稳定性、经济性和灵活性提出了更高的要求。

We have synthesized fourdioxotetraamine ligand appended with fluorenyl group and their transition metal complexes.The crystal structures of the complexes were determined by x-ray diffraction. Stability,electrochemistry and switch properties in aqueous solution was studied by pH-potentiometricand fluorimetric titration as well as cyclic voltammetry.

合成了带侧链荧光基团—芴的二氧四胺配体及其过渡金属配合物，测定了过渡金属配合物的晶体结构，研究了他们在水溶液中的稳定性、电化学性质和荧光开关性质。

Based on the right recognition of the structure system and the application mechanism of the water-based ink, the influence factors of stability, water-repellency and glossiness are analyzed systematically.

论文立足在对水墨的结构体系和使用机理的正确认识基础上，针对影响水墨稳定性、抗水性和光泽度的因素进行了系统的分析。

In the present work poly is prepared by chemical vapor deposition polymerization from [2.2] paracyclophane. Thermal gravimetrical analysis is used to study the thermal degradation. It is found that the onset of thermal degradation of poly in air is much lower than that in N2 due to the existence of O2 in the air.

用化学气相沉积聚合法制备了聚对亚苯基二亚甲基膜，由傅立叶变换红外光谱图证实了其化学结构采用热重分析研究了PPX的热降解性能，结果表明，在空气氛围中由于氧气的参与，其热稳定性比在N2中差，热氧化降解明显。

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。