查询词典 structural engineering

The evaluation of the failure probability of structural system is of extreme importance in structural design and the limit state function is the key to do it.

结构系统的可靠性评估是结构设计的一个重要研究内容，而极限状态函数的建立是进行可靠性评估的基础。

Each size structural distortions position, quality, scale, distributing and combined rule, such as drape, fault, joint, structural foliation and lineation, are found out through the base methods of the geometry, kinematics and dynamics.

以几何学、运动学和动力学全面构造解析为基本方法，查明各种规模构造变形形迹(褶皱、断裂、解理、面理、和线理等)的产状、性质、规模、分布和组合规律。

The structural and mechanical properties of ring-spun yarn have been studied comprehensively. The relationships between yarn linear density, yarn twist, and the relative yarn structural and mechanical properties have been obtained. Through statistical analysis of yarn linear density, twist, and strength of 200 groups of pure cotton yarn, and considering some influence factors, such as carded or comed, application of long-staple cotton, experiential functions of yarn relative strength with yarn linear density and twist have been obtained.

对环锭纱结构力学性能进行系统研究，得出环锭纱的相关力学性能参数与纱线线密度和捻度的关系；通过对从工厂收集的200组纯棉纱线线密度、捻度、强力等数据的统计分析，并综合考虑纱线线密度、是否精梳、是否使用长绒棉等因素，得出了线密度和捻度与纱线强力相对值的经验函数关系。

Further more, researches on structural constitutive model fall into a bran-new field and involve many unfathomed problems, just as selecting structural parameters and coupling these parameters and macrophysics properties.

而结构下本构模型的研究是一个全新领域，所涉及的问题很多，尤其结构参数的选取及其与宏观力学耦合等问题急待人们深入探索。

2As for cement-soil of different dates or formula, it is shown by the results of testing that their macrophysics indices correlate closely with the structural indices. Moreover, the micro-structural change under the unconfined compression is revealed.

分析了不同龄期、不同配方下的水泥土样宏观力学指标与其微结构参数——平均结构因子' F 、各向异性系数 A 、平均形状因子' f 的紧密相关关系，同时揭示了水泥土芯样在无侧限抗压过程中强度破坏的内在微观机理。

The point of zero net charge for the meadow brown soil in northeast of China with structural negative charges was measured by three methods: potentiometric titration, mass titration and inert electrolyte titration, showing that for the meadow brown soil which possesses structural negative charges, a PZNC independent of electrolyte concentration exists, and the values of pHPZNC obtained by the above three methods are 2.9, 5.0 and 3.3, respectively.

分别采用电势滴定法，质量滴定法和惰性电解质滴定法测定了荷结构负电荷的东北草甸棕壤的零净电荷点，研究表明荷结构负电荷的土壤依然存在与电解质浓度无关的零净电荷点，三种方法的实验结果分别为2.9， 5.0和3.3。

The dynamic characteristics of stochastic truss structures and stochastic frame structures are analyzed by using Random Factor Method. Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non-stationary random excitation are developed by means of the random variable's functional moment method and the algebra synthesis method.

考虑压电智能桁架结构物理参数、几何参数、结构阻尼和外荷载、闭环系统控制电压分别或同时为随机变量，构建了结构在随机力作用下的动力响应分析模型，提出了求解方法，推导出结构动力响应随机变量的数字特征计算表达式，通过算例验证了所建模型和所提求解方法的正确性和有效性。

It is found that there is an apparent structural difference between the sticking miler face area and the free face area of the ribbon annealed at 310℃, and a structural conformity of the ribbon annealed at 540℃.

通过对310℃退火样品的观测，可以发现薄带的贴辊面区和自由面区存在着非常明显的结构差异；而540℃退火样品的AFM观测结果则显示这种差异并不明显。

Then,according to the analysis of the structural feature minutia of the special points,the comparision algorithm of the structural features of the special points is proposed.

然后在分析指纹特征点的基础上提出一个基于指纹结构特征的比对算法，该算法主要是利用特征点之间的距离、类型和跨越纹线等结构信息来进行比对。

Combining the surface geology survey and comprehensive interpretation of seismic data, three structural units are divided in the subsurface of northen section of Longmen mountain, they are surface and shallow layer structural units, imbricate unit in subsurface and monocline unit in foothill belt.

结合地表地质的观察和地震资料的综合解释将龙门山北段地区地腹构造划分为3个构造单元，即地表及浅层推覆构造单元、地腹叠瓦式构造单元以及山前单斜构造单元。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。