力学

As you can tell from the name, PneumADDic II is not my first attempt at a LEGO pneumatic adding machine.

如同您能告诉从名字， PneumADDic II 不是我的第一企图在LEGO 气动力学的加法器。

In addition, formulas for calculating section stress of members with varying sections are derived, which revise the corresponding formulas in Material Mechanics.

另外，还推导了变截面构件的截面应力计算公式，对材料力学中的相应公式进行了修正。

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。

Center-cracked aluminum alloy plate s were adhesively one-side bonded with unidirectional carbon/ epoxy composite patches by vacuum-bagging process.

利用袋压工艺、采用单向碳纤维/环氧复合材料补片对含中心裂纹的铝合金板进行了修补，测试了胶接修补前后板的静态力学性能和疲劳性能。

Center-cracked aluminum alloy plates were adhesively one-side bonded with unidirectional carbon/ epoxy composite patch es by vacuum-bagging process.

利用袋压工艺、采用单向碳纤维/环氧复合材料补片对含中心裂纹的铝合金板进行了修补，测试了胶接修补前后板的静态力学性能和疲劳性能。

A series of thermoplastic polyurethane elastomers with different fraction of hard segments based on poly (ethylene-propylene adipate)/ethylene oxide/tetrahydrofurancopolyether as soft segments were synthesized.

合成了以PET/PEPA为软段的不同硬段含量的热塑性聚氨酯弹性体，利用凝胶渗透色谱、傅立叶变换红外对其进行了表征，并测试了其力学性能。

The loosed rockmass of different scope and causes some times developed very deeply under the ground in somewhere, for example, there is seriously fracture and opening cracks in the rockmass where it is 340m away from the adit entrance in a dam site, which give rise to a difficulties for selecting an important project.

松动岩体实际上是各种成因变形岩体的特殊形式，有其特殊的一面，它的渗透性、变形性和其它力学行为都十分复杂，而成因不同的松动岩体由于其规模和发育深度有时很大，如有些坝址的岩体在340m硐深的部位还严重开裂，给重大工程的选址决策带来困难。

The mechanical behaviour of intersection of horizontal adit and main tunnel in Wanxian to Liangping expressway in Southwest China is studied by using 3D finite element numerical simulation method and in-situ test.

针对高速公路主隧道与车行横通道组成空间交叉结构，采用现场实测以及三维有限元数值模拟研究手段，进行了结构施工力学研究。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。