结构稳定性

In this paper, three kinds of hydroxyl component are prepared for two-component waterborne polyurethane paint, that is, acrylic dispersion, acrylic emulsion and silicone-modified acrylic emulsion. The influence of the composites of these dispersion and emulsions on polymerization process, viscosity, particle size and coagulum are investigated, infrared spectroscopy , inductance coupling plasma , transmission electron microscopy and thermogravimetric analysis are used to characterized their structure, composite, morphology and thermal stability, respectively.

本论文制备了三种用于水性双组分聚氨酯涂料的含羟基组分，即丙烯酸分散体、丙烯酸乳液和有机硅改性丙烯酸乳液，研究了这些分散体和乳液在制备过程中聚合物的羟值、酸值、玻璃化温度、乳化剂、反应温度等对聚合转化率、凝聚物含量、聚合物粘度和粒径的影响，用红外光谱、热重分析、透射电镜和感应偶合等离子技术表征了其结构、组成、形态和热稳定性。

The coefficient of thermal expansion of the structures is suitable to express the dimensional stability and it is needed to be monitored throughout the mission.

热膨胀系数可以很好地反映结构尺寸的稳定性，在执行任务的过程中须实时监测其变化情况。

The method of thoracolumbar metastasis tumor treated with behind midmost and lateral anterior "T" resection and reconstruction of spine three columniation stability effectively to improve the quality of patient's life and prolong the living time.

胸腰椎转移瘤经后正中加后外侧"T"型切口手术切除并重建脊柱的三柱稳定性结构，提高了患者的生活质量并延长其生存时间。

Due to the pneumatic microvalves and micropumps with compound microchip device, the difficulty of chip processed and cost of stuff was reduced, and its rigidity intension was greatly enhanced at the same time. Besides, the credibility of connection between microchip and external connected channels was increased.

研究结果表明，采用AZ4620玻璃阳模制备的微阀微泵芯片操作稳定性高；采用复合芯片结构的微阀微泵芯片，既降低了芯片加工难度和成本，其整体刚性强度又得到大大提高，并增强了芯片与外气路和外流路连接的可靠性。

This paper introduced the composition and classification of suspendome, generalized the nonlinear finite element computing methods.

介绍了弦支穹顶的结构组成和分类，对静力和整体稳定性分析中采用的非线性有限元求解方法进行了总结。

The effects of freezing on the fermentation and speed of infusion of congou black tea was studied.Congou black tea from the fresh and withering tea leaves was performed as follows: deep freezing at -17 ℃ for 2 h,then thawing,rolling,fermenting and drying.

为了使茶多酚氧化酶以可溶形式从完整细胞或组织结构中释放出来，并保持其活性和稳定性，催化多酚类氧化，通常要将茶鲜叶在一定介质中进行充分的细胞破碎，释放出细胞内含物。

The stability of copper reduced because of the formation of copper oxide under alkaline condition, while the stability of copper kept the same because of the constant chemical structure under near neutral condition.

在去离子水中， Cu-KEtX的化学结构则没有明显的改变，故对Cu的稳定性亦不变。

Moreover, 3D discrete element code (3DEC) was used to solve the deformation of the high slope in the modes of mixed discontinuousness and degenerate continuousness. The influence of structural plane on the calculated result was discussed, and the stability of the high slope at inlets after excavation and reinforcement was analyzed by comparison of the calculated results in different calculation modes.

运用三维离散单元法(3DEC)进行了混合不连续和蜕化连续2种方式的求解，在比较不同求解方式所得计算位移的基础上，探讨了结构面对计算结果的影响，分析了进水口边坡在开挖、加固作用下的变形状况和稳定性。

Drug's safety, efficacy, stability and controllability are determined by its chemical structure.

中文摘要药物的有效性、安全性和稳定性等性质都是由药物分子的化学结构所决定的。

The relationship between the topology and convegence of networks is approached and the reason causing overtraining and overfitting is analysed. Then the redundant weights and nodes in the network are defined by using improved activity function and a new algorithm called the BPNSO for determining the network structure for any application is proposed, which use dual optimization objective function combining the mean squre error of the network output with network complexity penalty function.

文章对网络拓扑结构与网络收敛性和稳定性的关系进行了探讨，分析了网络出现Overtraining或Overfitting的原因和解决的目标，提出了神经网络结构优化的策略，改进了活化函数，定义了冗余权值和冗余节点的概念，为辨识和删除冗余权值和冗余节点，提出采用优化目标函数中增加网络复杂度罚函数的双重优化目标函数，并对罚因子提出了基于学习误差和权值的自适应动态调整公式，论文定义了这种BP网络结构优化方法为BPNSO，并给出了完整的计算流程。

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。