查询词典 joint

The results show that the plasticity zone and dynamically quiescent layer become fine equiaxed recrystallisation under the thermo-mechanical effect, the grains in the heat-affected zone grow up because of the effect of friction heat. When the rotation speed is 2 500 r/min and the welding time is 12 s, good joint is achieved, and the tensile shear strength of the joint reaches 9.24 kN. The tensile shear strength of spot increases with increasing tool rotation speed, with increasing welding time, the strength increases first, while then reduces. The microhardness of plasticity zone is high, but is slightly lower than that of the base metal, the minimum value of microhardness is in the heat affected zone. When the energy input of joint is high, the fracture type of spot is mode Ⅰ, and the tensile shear strength is high; on the contrary, when the energy input of joint is less the fracture type of spot is mode Ⅱ, and the strength is low.

结果表明：塑性区和动态静止层的晶粒在热和力作用下发生动态再结晶形成细小的等轴晶，热影响区的晶粒在摩擦热作用下长大变粗；搅拌头旋转速度为2 500 r/min，焊接时间为12 s时，可以获得力学性能较好的焊点，焊点的剪切强度达到9.24 kN；焊点的剪切强度随搅拌头旋转速度的增大而增大，随焊接时间的延长先增大后减小；塑性区的显微硬度较高，但略小于母材，接头显微硬度的最小值分布在热影响区；焊点热输入量较多时，接头为Ⅰ型断裂，焊点的剪切强度较高；焊点热输入量较少时，接头为Ⅱ型断裂，焊点的强度较低。

Methods : The defect of bone, skin and vessel in the bone and joint of limbs was treated by microsurgical method and the bone and joint injury was repaired by the external fixation supporter of odjustment cross joint with three Kirschner wires, keeping the free motion of every joint.

在四肢关节部位有骨缺损或骨折伴有血管损伤、皮肤缺损等病例，应用带血管的骨关节块移植、游离血管移植或各种皮瓣移植等显微外科方法修复后的同时，用三针可调外固定器跨关节外固定治疗骨关节损伤，保持各关节的自由活动。

Composite material has a lot of virtues which common material has no means of analogic merits, and mechanical-joint composite laminate is one of most important joint form, the technology of mechanical-joint composite laminate has been systemically studied in this paper.

复合材料具有普通材料无法比拟的优点，机械连接是复合材料接头中最常用的连接形式，本文系统研究了机械连接复合材料连接技术。

The atlanto-axial joint disorder is a idiopathy that the micro-transposition from atlanto-axial joint to atlanto-occipital joint and the injury , strain and anaplasia of the peripheral issue leads to stoke, diziness, vomiting,etc. The old people happen frequantly, eapecially the workers hung the head do.

寰枢关节紊乱是以寰枢关节为中心，以寰枢关节及寰枕关节的微小错位及其周围组织的损伤、劳损、退行性改变等病变所产生以头痛、眩晕、恶心为主症的特发性病症，多发生于中老年人，尤其以低头位工作者为多。

This paper, through comprehensive analysis, deals with the problems in joint venture school cooperation in southern Jiangsus secondary schools by studying the background and current situation of the joint venture school cooperation, special topic survey, questionnaires and interviews. The problems are: 1. a small number of schools lay too much emphasis on benthamism; 2. overseas curriculum is introduced without digestion; 3. the joint venture cooperation in vocational schools is not accustomed to the local need; 4. many difficulties exist for a smooth connection with domestic and/or overseas college enrollment.

本文从研究苏南地区中等学校中外合作办学的背景和现状入手，通过专题调研、问卷调查、针对性访谈等方法，经过综合分析发现苏南地区中等学校中外合作办学存在如下主夏问题：1、功利观念影响办学质量；2、引进国外课程"食洋不化"；3、职业学校中外合作办学"水土不服"；4、学生国内外升学路径不畅。

Article 17 The total amount of investment of a joint venture refers to the sum of capital construction funds and the circulating funds needed for the joint venture's production scale as stipulated in the contract and the articles of association of the joint venture.

第十七条合营企业的投资总额，是指按照合营企业合同、章程规定的生产规模需要投入的基本建设资金和生产流动资金的总和。

Second, based on the screw theory, the'virtual joint'concept was proposed. By means of this concept, the conventional trajectory planning in Cartesian space was converted in the 'virtual joint'space, that is, the complex trajectory planning in Cartesian space was simplified by utilizing the trajectory planning in the'virtual joint'space.

第二、基于旋量理论提出了"虚拟关节"的概念，利用这一概念可以将传统的笛卡尔空间的轨迹规划转化成"虚拟关节"空间的轨迹规划，也就是说，利用简单的关节空间的轨迹规划方法实现了复杂的笛卡尔空间的轨迹规划。

The algorithm GS to solve the problem of inverse dynamics based on the optimal theory is proposed, by using the numerical methods of Gill and shooting target, the optimal joint driven torques are obtained With the smooth joint trajectory motion, a fast and stable inverse dynamics method is proposed, it provides a new effective way to control the flexible manipulator The trajectory planning in the joint space and Cartesian coordinates is especially discussed In terms of kinematics of space flexible link manipulators, a sequential integration method for inverse dynamic analysis of flexible manipulators is developed The concrete results of simulations tested and verified the validity of proposed methods, and some valuable conclusions are achieved.

提出了求解基于最优理论的柔性臂逆动力学问题的GS法(Gill—Shooting method)，得到了柔性臂关节的最优驱动力矩；提出了基于光滑关节运动轨迹的柔性臂逆动力学的快速稳定方法，为柔性臂控制提供了一条新的途径；探讨了关节空间和直角坐标空间柔性臂的轨迹规划问题；研究并完善了结合柔性臂运动学的顺序积分的逆动力学方法。通过具体实例的仿真研究，验证了所提出的柔性臂逆动力学方法的有效性，得出了一些很有价值的结论。

The elasticity polyurethane joint sealing material is one kind of joint sealing materials for concrete pavement joint which can use at normal temperature. It will solidify by chemic-reaction when commix the polyurethane preploymer, cross link agent, filling, plasticizer and catalyzer.

聚氨酯弹性嵌缝料是一种由聚氨酯预聚体主剂与交联剂、填料、增塑剂以及催化剂混合后通过化学反应交联固化的常温施工式水泥混凝土路面用嵌缝材料。

The counterbore at the crankcase joint line is to ensure that the stresses are distributed over a larger area in order to even out the clamping loads on the joint faces(line of max stress is at 45 degrees) this means that the clamping loads loads can ideally overlap at the joint face it also has the bonus of giving a longer bolt length which means less stress on the bolt for the same tightening torque.

该counterbore在曲轴箱的联合路线，是要确保该讲是分布面积较大，在以，甚至出夹紧载荷对联合所面临的（线的最高强调的是，在45度），这意味着，夹紧载荷载荷可以理想重叠在联合面对它也有奖金给予较长的螺栓的长度即减少应力对螺栓同时收紧扭矩。

I was just taking her hand, to help her out of a car, and I knew it.

我只是握着她的手，扶她下车，但我知道这一切。

China and South Korea have excoriated Japan over its approval of new school books which they say whitewash the atrocities committed during Japanese occupation, and anti-Japanese protests have been held in Chinese cities. The lingering bitterness over Japan's past imperialism still threatens to mar relations between the big East Asian powers

中国和韩国强烈谴责日本通过新的中学历史教科书，他们认为这一教科书掩盖了日本在其占领期间所犯下的残酷暴行，反日抗议活动在中国数座城市发生，历史上日本帝国主义制造的痛楚无法被忘却，这有可能破坏东亚强国间的关系。