结构稳定性

The solid product was characterized by N2 adsorption-desorption, XRD, TEM and hydrothermal stability test. These results indicated that small amounts of HPMo in the synthesis media could reduce the amount of liquid in-organic acid and crystallization time greatly. And SBA-15 sieves prepared in this method exhibited an excellent hydrothermal stability, as its hexagonally ordered mesostructure was maintained after treated in 100 ℃ water over 72 h.

N2吸附-脱附、XRD、TEM和水热稳定性实验等检测结果表明：用这种方法不仅可以大幅度降低合成SBA-15分子筛所需液体酸的用量和缩短晶化时间，同时反应产物SBA-15在100 ℃的水中处理72 h后仍然保持六方有序的介孔结构。

Molecular rearrangement reaction occurs during the foaming and post-treatment forming hexahydric imide ring. The prepared PMI foams have closed cell structure with the cell size ranging from 0.5mm to 0.7mm and have a good thermostability with the characteristic degradation temperature at about 221.5℃.

在发泡和热处理过程中分子链发生分子重排反应，生成六元酰亚胺环结构；PMI泡沫为闭孔泡沫塑料，泡孔平均孔径在0.5~0.7mm之间；制得的泡沫塑料热稳定性好，热分解温度在221.5℃左右。

We assumed that after the PACl〓 was dosed into water, its hydrolysis-aggregation-precipitation process combined the most popular"core-link"or hexameric ring scheme and the more recent model of polynuclear formation involving a typical specie of tridecameric,〓. The integrate pattern can nicely explained the phenomena.

另外，研究表明，PACl中预制的Alb形态和铝盐在混凝过程投加入水后形成的Alb形态在稳定性上有很大的区别，这无疑是由于它们的化学结构上的不同造成的，推测铝盐在投加入水后，其水解聚合过程按&六元环&模式〓和&核环&模式〓结合进行，这种综合模式可以很好的解释实验中的现象。

For the production of reactive polyurethane cross-linkinger and curing agents,2,4-diisocyanate toluene terpolymer,which possesses the rigid structures of hexatomic ring and three reactive functional groups,was synthesized and characterized by the Fourier transform infrared,the gel permeation chromatography and the chemical analysis methods.

结果表明采用Cat-3作催化剂，在(60±2)℃下反应，可制得分子量为530~550，Mw/Mn=1.10，NCO质量分数为(25.0±0.5)%窄分子量分布的TDI三聚体；随着反应时间延长，TDI会进一步多元聚合生成多聚结构；而加入质量分数为0.4%的苯甲酰氯作为稳定剂，可有效抑制多元聚合的发生，所制备的TDI三聚体稳定性可在半年以上

In the method ,the blades are treated as rigid ones with offset and spring restrained hinges and with structural coupling between flap and lead lag motion for the purpose of being applicable to hingeless or starflex rotors .

采用带外伸量及弹性约束的当量铰桨叶模型，考虑了旋翼挥／摆结构耦合及动力入流非定常气动力，建立了悬停状态旋翼／机体耦合动稳定性分析方法，适用于星形柔性及无铰式等旋翼系统。

The principle of optical fiber homochromous radiation temperature measurement was described. The mathematical model was created. Aiming at the problem of temperature measurement in bad working environment , quartz optical fiber and narrow band filter were used to design a temperature measurement system in real time based on virtual instrument. Principle and method of the system ,structure of hardware and software were expounded. The methods of data acquisition and data analysis on virtual instruments platformwere explained. Single2chip hardware system and LabVIEW software were adopted to ensure the precision and stability , data storing and long2range display was realized.

介绍了光纤单色辐射式测温原理，建立了测温系统数学模型，针对恶劣环境下的温度测量问题，利用石英光纤束和窄带滤光片，设计了基于虚拟仪器技术的实时测温系统，阐述了系统工作原理和实现方法，以及系统的硬件和软件结构，说明了在虚拟仪器开发平台上进行数据采集与数据分析的实现方法，采用单片机硬件系统和LabVIEW软件系统以保证测量精度和稳定性，并实现了数据的存储和远程显示。

FT-IR, TG and XRD were applied to study the components, structure and heat-stabilization of hydrous zirconia.

运用FT-IR、TG、XRD研究了ZrO2水合物的组成、结构和热稳定性，用光学显微镜、FESEM对ZrO2水合物的形貌及其形成机理进行了分析。

Progressive failure and hygrothermal effect s was investigated by numerical method.

对湿热环境下考虑累积失效和分层损伤的先进复合材料格栅加筋结构的稳定性进行了数值分析。

Stability analysis of a long span arch bridge during construction is based on considering the structural behavior for an incompleted bridge on variable construction loads.

大跨度拱桥在施工过程中的稳定性计算，是以施工期间变化着的不完整结构在不断改变的工作荷载下的分析为依据的。

In nuclear style families, to study the genetic association and linkage relationship and to provide the genetic basis information for the further research. Methods: We investigated the genetic structure and relationship of 116 Keshan Disease patients and 65 local normal people in Shaanxi province with HLA-DRB1 locus, which is characterized by high polymorphism and inheritage stability, with polymerase chain reaction-sequence specific oligonuclotide probe.

本研究选用具有高度多态信息量及遗传稳定性的人类HLA-DRB1遗传位点，以陕西118名克山病人及当地65名正常对照人群作为研究对象，用聚合酶链反应—序列特异性寡核苷酸探针的方法对其遗传结构及其相互关系进行了分析研究，并在核心家系中采用基于单体型的相对风险及传递不平衡检验对其遗传指标进行了统计计算。

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。