查询词典 reliability coefficient

In the course of FEM model building, tensile test experiment is taken to work out the real stress-strain curve. Ring compress test is also done in this paper, through which the friction coefficient is worked out and the friction mechanism and relevant friction model for tube stagger spinning is studied. The experiments ensured the veracity and reliability of the FEM modeling.

建模过程中，通过材料拉伸试验测定了旋压材料00Ni12Cr5Mo4TiAlV时效钢的真实应力应变曲线；利用圆环镦粗试验测定了材料在不同润滑状态下的摩擦系数，并对强力旋压的摩擦性质和摩擦模型的选择进行了研究，确保了建模关键参数的准确性和可靠性。

Furtherly, in allusion to the absence of design standard in FEM, basing subency coefficient and reliability idea, it puts forward subentry coefficiet FEM method.

另外，针对有限元法缺乏配套的设计标准问题，在分项系数法和可靠度思想的基础上，提出了分项系数有限元法。

Chapter 7 at first introduces the elementary theory of subentry coefficient designing methods and deduces the calculational formula of single safety factor considering the reliability, then propounds the numerical calculation method of random safety factor to make foundation for deep investigation.

第七章先介绍了分项系数设计法的基本原理，推导了可靠性意义下的单一安全系数的计算公式，然后提出了随机安全系数的数值计算方法，为进一步研究随机安全系数打下基础。

On the basis of structural reliability, a evaluating model for existing engineering structures is proposed, two methods to determine the important coefficient of the model are studied, that are a determining method based on subjective probability and another determining method of relative weight based on AHP.

文中提出了基于可靠度的在役工程结构可靠性评估模型，研究了其中重要性系数的两种确定方法，即基于主观概率的确定方法和基于层次分析法的相对权重的确定方法。

In this course three-dimensional finite element method is used to calculate the stress and deformation of the metal structure.The influence coefficient method is adopted to obtain the expression between the load and the offect ,and form the limit state equation of all failure mode.Finally.corresponding reliability indices are obtained with the JC method under truncated distribution.

在此过程中，运用三维有限元计算了门机金属结构的应力和变形，采用影响系数法，建立起荷载与荷载效应的显式关系，进而建立了各失效模式的极限状态方程，再用可截尾处理的JC法求出相应的可靠指标。

Plastic is used by the companies jointly developed by the Nanjing University with a new Plastic Composite Pipe plastics, poly vinyl alcohol, which added some 20 new materials greatly reduces the linear expansion coefficient of plastic. so in the steel and plastic composite materials to ensure the reliability.

公司使用的塑料是公司与南京大学联合研制的一种新型钢塑复合管专用塑料，以聚乙烯为母体，在里面添加了二十几种新材料，大大降低了塑料的线胀系数，从而在材料上保证了钢与塑复合的可靠性。

Chapter three pays attention to three anharmonic properties, bulk modulus , Grüneisen parameter and thermal expansion coefficient along with their higher order quantity, which is widely interesting to people. Starting from the analysis of quantities of experimental data, we propose some new computing model and formulas on the volume and pressure dependence of, and , i.e.,, and. Comparisons with experimental data make clear that these new computing formulas are all in agreement with experiment and improve the former works in different degree, so they have good validity and reliability.

在分析大量实验数据的基础上，提出了关于这三个非谐性质对体积压强依赖性的新计算模型和公式，即、、，和实验数据相比表明，新的计算公式得到的结果和实验吻合很好，均在不同程度上改进了前人的工作，具有较好的实用价值。

The S11-M series three-phase oil immersed distribution transformer belongs to state high-tech new product,it is developed based on new type S9 series product's mechanism design,the design idea is mainly aimed at heightening product's reliability and performance,design reportedly adjusts some coefficient of losses and mechanism according to new S9 product,so as to have loss deigns up to measured value;meanwhile,the optimizing design properly,fix ratio of cooper to iron,in order to decrease material cost and have structure more proper.

S11-M型系列三相油浸配电变压器是国家科技新产品，在新型S9系列产品结构设计的基础上进行开发的。设计的主导思想是满足产品的可靠性，提高产品的性能，设计中根据新S9产品的实际情况，重新调整了一些损耗系数及结构，使损耗设计值更符合实侧值；同时进行了优化设计，合理确定铜铁比例，使材料成本最低，结构也更合理。

HL series Electric Chain Hoist is a kind of versatile lifting machinery. With lightweight and small volume and great reliability,its assurance coefficient reaches over 8 times

HL系列环链电动葫芦是一种通用的起重设备，重量轻，体积小，外形美观，使用可靠，其安全系数达8倍以上。

Reliability ; sensitivity analysis ; correlative variable ; Markov chain ; line sampling ; variation coefficient

可靠性；灵敏度分析；相关变量；马尔可夫链；线抽样；变异系数

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。