力学

Using polyurethane as matrix and carbon black as conductive medium, electric conductive master batch was prepared with the blend method, and the carbon black /polyurethane blend conductive fiber was prepared with melt spinning method.

研究表明：随着碳黑含量的增加，导电性增强，但纤维的力学性能、可纺性下降，当碳黑质量分数为16％时，其导电性和力学性能较好；分散剂的含量对纤维导电性也有一定的影响

Today, his formula for entropy S is famous: S = klnΩ K is the Boltzmann constant andΩ is the number of possible microscopic states which give the same thermodynamical state that a system may be in.

在论文中，他利用原子运动轨道闭合的假设，将熵的表示与力学的最小作用原理直接联系起来，试图从纯力学的角度证明热力学第二定律。

The effect of treating condition (form of boron used, the concentration, temperature of the solution of boride, the heat-treatment temperature) on the mechanical properties of the resulting carbon fibers was investigated.

研究了处理液组份、浓度、温度和石墨化热处理温度对最终碳纤维力学性能的影响。通过力学性能的变化评价了硼改性的效果。

In chapter 2,all kinds of numerical methods of computational fracturemechanics are summarized,the development histories and present situation ofboundary collocation method,boundary integral method,finite difference method,boundary element method and finite element method are expounded,and theapplication of finite element method in fracture mechanics are emphaticallydiscussed.

第二章 总结了计算断裂力学中各种数值方法，论述了边界配位法、边界积分法、有限差分法、边界元法及有限元法的发展历史和现状，并着重讨论了有限元法在断裂力学中的应用。

The variation of the mechanical properties, including peak stress, Young's modulus and poisson ratio of Gypsum Breccia, was obvious. The peak stress and Young's modulus were improved after drying. The mechanical properties were obviously affected by the natural water content.

烘干后，岩石的力学性质发生了很大的变化，峰值强度、弹性模量都有很大的提高，岩石表现出脆性，岩石的天然含水率对烘干后的力学性质改变影响很大。

The effects of AX8900 as a compatibilizer introduced on the mechanical properties, thermal performance and section morphology of the blends poly and poly (butylene adipate-co-terephthalate) were investigated.

研究了AX8900作为增容剂对聚乳酸/对苯二甲酸、己二酸、1， 4-丁二醇三元共聚酯复合材料的力学性能、热性能、动态力学性能和断面形貌的影响。

Non-biomechanics factors include genetic, sex, calcium intake, light, tobacco and alcohol addiction, etc. Biomechanical factor is the appropriate amount of exercise.

非生物力学因素包括遗传、性别、钙的摄入、光照、烟酒嗜好等，生物力学因素是适量的运动。

We find that a region of negative specific heat describing the character of gravity also exists in canonical ensemble, which is remarkably distinguished from the result of traditional statistical mechanics that the specific heat must be positive in that ensemble, implying that the gravitating system may also be described by canonical one.

2在正则系综中，我们同样根据广义统计力学对引力Toy模型进行了研究，发现也会出现类似于微正则系综中的负比热现象，这明显区别于传统的统计力学中比热必须非负的结论，从而得出在Tsalllis统计下正则系综也可以描述引力系统的结论。

In this paper,the author deduces the basic equation of statistical Mechanics- Liouville Theorem in two different ways from analytical mechanics′ concepts of phase space and the Hamilton Canonical Equation.

本文笔者用两种不同思路由分析力学的相空间概念和哈密顿正则方程推导了统计力学的基本方程———刘维定理。

Application to celestial mechanics and mechanical vibrations.

天体力学和力学振动的应用。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。