查询词典 mechanics

Constitutive model: Based on the energy principle of fracture mechanics, energy addition theorem and statistical theory of rock-mass structure, a constitutive model of anisotropic equivalent continuum is derived.

裂隙岩体的本构理论运用断裂力学能量原理和能量可加性原理及岩体结构统计理论，导出了裂隙岩体的各向异性等效连续介质本构模型，并对柔度张量和等效应力作了讨论。

This article in view of the network structure of polyether polyurethane ,through the increase of functional additive to PET ,such as ternary copolymer, polyvinylalcohol, special modified hydroxy-functional acrylic resin, flexibility epoxy resin, nitrocellulose, to study the kind of functional additive, addition, craft to the effect of PET mechanics performance.

本文针对PET结构特点，通过在PET中添加三元树脂、聚乙烯醇、改性含羟基丙烯酸树脂、可挠性环氧树脂、硝化棉等功能助剂，研究了功能助剂种类、添加量以及工艺条件对PET力学性能的影响。

Successful design of adhesively bonded joints requires an understanding of the mechanics of the joints, knowledge of the geometry and materials of the parts to be joined, the service loads, the environmental conditions and the requirements that exist for inspection of the finished joint.

成功的粘合接头设计需要了解接头的力学知识、几何知识、被粘接部分所用材料的知识、服务加载、环境条件和检查完成的接头存在的要求。

The discrimination and classification of rock aeolotropy is an important problem of rock mechanics research.

岩体各向异性的判别与分类是岩石力学研究的一个重要课题。

With economic development, the rock material is widely applied in the water conservation、 resources mining、 the civil construction 、 the railway and so on, a lot of problem about rocks urgently is demanded to solve, so there are very important theory and realistic meanings to thoroughly research its nature、 concerning and destroying mechanism,Due to natural function, massive joint and crack with rock, though the scale of these is small, it changes mechanics nature of rock greatly and reduces deforms mould and intensity parameter, and makes it presenting aeolotropy .

随着我国经济建设的发展，岩石材料被广泛应用于水利、资源开采、土木建筑、铁路等领域，与此同时出现许多岩石方面迫切需要解决的问题，所以对其性质、本构关系、破坏机理的深入研究有重要的理论意义和现实意义。由于天然作用，岩石内部存在大量的节理和裂隙，虽然这些裂隙的规模不大，但裂隙的存在大大地改变了岩体的力学性质，使其变形模量及强度参数降低，且使岩体的力学性质呈各向异性。

Damage mechanics analysises aeolotropy from joint、 crack within rock, offers new thinking for research of the joint rock, superiority to solving damage and destroy of rock as brittle material.

损伤力学从岩石内部的节理、裂隙着手，分析其各向异性，为节理岩体的研究提供新思路，对于解决岩石这类脆性材料损伤破坏具有明显的优势。

Wind energy conversion system is a complicated field refers to electrical machine, power electronic, electrochemistry, material, mechanics, aerodynamics, computer, automation, aerograph and etc.

摘 要：风力发电电能变换装置用于风力发电后电流的整流逆变，及对蓄电池充电的一个装置，提供稳定的交流电给负载。

As important ways for numerical solutions of partial differential equations, spectral methods have been developed rapidly in the past several decades. They not only have been widely applied to numerical simulations in various fields such as physics, mechanics, aerology, oceanics etc, and their theories of numerical analysis also tend to perfect.

作为数值求解的一种手段，谱方法在近几十年得到了蓬勃的发展，它不仅被广泛运用于物理、力学、大气、海洋等领域的数值计算，而且它的数值分析理论也不断地趋于完善。

Technique alone is not sufficient in Aikido; the psycho-physiological state of the Aikidoka is more important than the mechanics of movement.

单纯技术在合气道里是不够的，合气道的心理和生理状态比运动技能本身重要的多。

By simplifying air spring mechanics model, We analyze the damping characteristics for air spring suspension system of single degree of freedom, then educe optimal damp of air spring suspension with throttle hole under various situation and optimal diameter of throttle hole. The capability opinion guideline of air spring suspension system is analyzed.

通过简化空气弹簧的力学模型，对单自由度有阻尼空气弹簧悬架系统的阻尼特性分析，得出带有节流孔的空气弹簧在各种工况下的最佳阻尼及节流孔的最佳直径，并分析了空气弹簧悬架系统的性能评价指标。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新