查询词典 joints

These advantages of EBW make its use expanding in the welding of titanium and its alloys.The microstructure and properties of TC4 alloy joints welded by the electron beam were investigated in this paper with room-temperature impact test, room-temperature tensile test, room-temperature notch tensile test, high-temperature tensile test, endurant tensile test, microhardness test and metallographic analysis.

本课题通过室温冲击、室温拉伸、室温缺口拉伸、高温拉伸、持久拉伸及显微硬度等力学性能试验和金相显微组织分析、断口扫描分析等，对TC4钛合金电子束焊接接头的组织和力学性能进行了分析和研究。

Aim at twelve-bar kinematic chain with single joints,it combines topological graphs analysis with structure principle of mechanisms and method of innovative synthesis of epicyclic gear trains.

在将单铰运动链用于周转轮系创新综合方法的过程中，针对十二杆单铰运动链，将拓扑图分析和周转轮系创新综合的结构学原理及方法结合，得到了由十二杆单铰运动链生成的新型周转轮系的结构原型。

Current research focused mostly on the development and restoration by regeneration of cartilage of limb joints and epiphyseal growth cartilage, but it is still incipient to study the development and the mechanism of physiological rebuilding and restoration by regeneration of condylar cartilage.

机体其它组织损伤是通过瘢痕而愈合，而骨和软骨则通过自身组织的再生来完成改建和损伤的修复，此功能主要是由于胚胎时期骨架的发生与出生后骨架生理性改建及损伤修复的分子机制相似的结果。

The microstructure of joints showed comparatively fine equiaxed grains and a narrow heat aff...

显微组织分析表明：搅拌摩擦焊接接头具有细小的等轴晶粒和狭窄的热影响区，阻碍了滑移带的形成和裂纹的扩展，从而提高了接头的疲劳性能。

This thesis investigates the profile extraction and shape optimization on the result of topology optimization of planar compliant mechanisms. The main context includes the following work:(1) summarizing and analyzing the recent research status, some harvest and unsolved problems;(2) analyzing the conceptual design of planar path-generating compliant mechanisms and its mathematical model and tools;(3) Modifying the method of density contour as the method of profile extraction, and developing a method to optimize the density function in the profile extraction according to the requirement of the design of compliant mechanism;(4) developing a method to abstract the compliant mechanism into a form of links and joints by using the principle of connectivity on topology;(5) developing a method of shape optimization of planar path-generating compliant mechanisms, by representing the profile of the abstracted compliant mechanism as simple curves such as straight lines and arcs, establishing the models of the size optimization of the parameters of these curves, so that the compliant mechanism has a machinable shape;(6) At last, proving the feasibleness and effectiveness of the design method by making simulation design and validating it in FEA software.

主要工作包括：(1)分析了柔顺机构拓扑优化和形状优化的研究现状，分析了目前柔顺机构的研究重点、主要成果和尚未解决的问题；(2)分析了基于SIMP的柔顺机构概念设计方法及其相关工具和模型；(3)针对柔顺机构轮廓提取的特殊要求，提出了密度等值线法的改进方案，对密度函数插值点密度值进行优化，提出优化模型和选择优化算法；(4)根据轨迹输出平面全柔顺机构自身的形状特点，提出了轨迹输出平面全柔顺机构的抽象方法，即应用拓扑学上的连通性原理将柔顺机构抽象成杆件和结点形式，并对相应的数学原理进行了证明；(5)提出了平面全柔顺机构的形状还原和尺寸优化方法，对抽象的柔顺机构进行还原，将其轮廓还原成简单曲线的连接，从而建立尺寸优化模型，对机构进行尺寸优化设计，在得到可加工的机构轮廓的同时又能对关键部位进行特别处理；(6)进行了柔顺机构的数值仿真设计，并将所得设计结果导入商用有限元软件中进行仿真实验，证明了设计方法的可行性和有效性。

Results: The degenerative changes were demonstrated in the knee joints injected with papain and L-cysteine, such as the lower activity scope of knee joint, thinner and worse articular cartilage, fissuration, fibrous degeneration, fibrillation and destroyed cartilage matrix.

结果：实验侧关节注射木瓜蛋白酶后，活动范围明显低于对照侧，关节软骨变薄且有裂隙形成、纤维变性、基质分解破坏等退行性改变，并随观察时间的延长而进一步发展。

Hock joints have no tendency to turn in or out when standing or gaiting.

站立时或行走中，飞节没有向内弯或向外翻的迹象。

Hock joints have no tendency to turn in or out when standing or gaiting.

无论站立或是运动，跗关节无向内或向外的趋势。

All welded joints required to be gastight or subject to submergence in any location shall be provided with continuous welds along all contact edges except as prohibited in Article 8.8.5 of the referenced AWS code.

除了参照AWS条例8.8.5中禁止以外，所有的焊接接头都要求不漏气，或者对涉及到的位置进行连续深埋焊接。

SANDPIPER, WILDEN, ARO pneumatic diaphragm pump, the United States PUISFEEDER, Italy OBL, South Korea CHEONSEI metering pump, the United States STANDARD, FTI, Germany LUTZ, FLUX portable pump out a barrel, the United States GOODYEAR, GATER Chemical Hose, the food, chemical hose SUNFLEX Italy, the United States GPI flowmeter, fast joints.

公司主营美国SANDPIPER、WILDEN、ARO气动隔膜泵、美国PUISFEEDER、意大利OBL、韩国CHEONSEI计量泵、美国STANDARD、FTI、德国LUTZ、FLUX手提抽桶泵、美国GOODYEAR、GATER化工软管、食品管、意大利SUNFLEX化工软管、美国GPI流量计、快速接头。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。