结构稳定性

The structure and composition of the title complexes were characterized by means of elemental analysis, EDTA titrimetric method, UV spectra and IR spectra. The fluorescence properties and thermal stability of the title complexes were also studied.

利用元素分析、EDTA配位滴定分析、红外光谱和紫外吸收光谱分析对目标物的组成与结构进行了表征，并研究了其发光性能和热稳定性。

The working stability and the seedling-standing ratio of this transplanter were tested and analyzed by the orthogonal and single-factor tests methods.

对滑道分钵轮式栽植器的结构、工作过程、钵体在滑道不同部位的运动状态和受力情况进行了分析，并对该栽植器的工作稳定性和立苗率进行了正交和单因素的试验分析。

Several physical parameters of experimental blast underpressure and morphological and function changes of auditory organs in guinea pigs expsosed to underpressure were observed and analysed in different conditions.

通过 16 4只豚鼠 318耳的观察，发现不同强度冲击波负压暴露后，中耳、内耳的形态结构和听功能发生了不同程度的创伤或损害，且具有良好的稳定性和重复性。

To realize single longitudinal-mode of the fiber laser, a ring configuration is devised. The single longitudinal-mode operation is realized by using a fiber Bragg grating as wavelength-selective element and a unpumped 2m-loog erbium-doped fiber which can produce stading-wave saturation effects in the cavity, Its tunable wavelength range is 42 nm, the output power is more than 3.5 dBm and the stability is less than ±0.005 dB.

为了实现光纤激光的单纵模，提出了一种环形腔结构，采用可调谐光纤Bragg光栅作为波长选择器件，与2m未抽运掺Er光纤产生驻波饱和效应，在1.55m波长处形成42nm激光输出，输出功率大于3.5dBm，功率稳定性优于士0.005dB。

The principle of lightweight construction on the chassis and suspension, in turn, guarantees supreme stability on low weight and minimizes the car's unsprung masses.

关于底盘和悬挂的原则，轻质结构，反过来，保证低体重最高的稳定性，减少汽车的非悬挂质量。

In order to study the influence of the rigidity of unstiffened tubular joints on load-bearing behavior and structural stability,the experimental research on axial rigidity and bending rigidity of the joints was performed,in combination with the practical demands of a steel tubular constructional project.

试验结果表明，当支管与主管直径相差较多时，节点轴向刚度和抗弯刚度均较弱，节点的半刚性能对结构的受力性能尤其是整体稳定性的影响不容忽视；当支管与主管直径接近时，节点轴向刚度和抗弯刚度均较大，基本能够满足节点刚接的要求

In addition, after a detailed investigation and study on geologic conditions of Jinzhou water-tight oil storage cavern by using Block1.0 and Unwedge software, respectively, all removable blocks relaed to each excavation plane of Jinzhou water-tight oil storage cavern were found and the magnitude of the removeable blocks with respect to the distribution of discontinuities and the position of excavation planes was systematically calculated.

阐明了块体理论赤平解析法可动块体辨识软件Block1.0的理论基础及编制思路，通过赤平解析法和Block1.0就某实例计算结果的对比，验证了Block1.0的准确性；同时，在对锦州地下油库勘察资料进行详细研究的基础上，分别采用Block1.0和Unwedge软件，找出了锦州地下水封储油洞库各开挖面上可动块体的分布情况，从开挖面位置和结构面分布两方面对锦州地下水封油库的稳定性进行系统评价。

The structure and the stability during storage of the uron type urea-formaldehyde resin adhesive was studied with dynamics viscosity measure and the FTIR and DSC analysis.

用FTIR、DSC和动力学粘度测量的方法对糠醛型脲醛树脂胶粘剂结构及贮存期间稳定性进行了研究。

Theoretical analysis and calculation are carried out to prove the stability improvement.

为了证实稳定性的提高，对该结构进行了理论分析并计算得出数学表达式。

Aiming at the ballasted continues welded track and turnout structure on the normal embankment, stability analysis model of continues welded track is established by finite element method to avoid the disadvantages of traditional methods, compile the finite element analysis program and make comprehensive analysis on the lateral deformation and vibrational characteristics caused by temperature force of the continues welded track and turnout str ucture.

本文针对有砟轨道普通路基上无缝线路及无缝道岔轨道结构，运用有限元法，建立了三维无缝线路稳定性分析模型，避免了传统理论假设过多的弊端，基于有限元分析软件，编写了有限元分析程序，对无缝线路和无缝道岔的横向变形和横向振动特性进行了全面研究，主要研究内容有：1。

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。