查询词典 mechanical efficiency

The microstructure of PE dispersed in polyamide matrix effects the properties of composites. PE spherulites are good for mechanical properties and sustention of water absorption. Checked PE has many cavities existed at the interface of PA and PE, resulting in decrease of mechanical properties and water absorption.

PE在PA基体中微观形态的不同导致了复合材料性能的差异，球状分布有利于材料的韧性增加，但吸水率降低很少；网状分布时，PE/PA两相间空隙较多，材料力学性能降低，但吸水率却大幅下降。

On the other hand,there still exit many negative aspects that restrict the promotion of international competitiveness of mechanical and electronic products after China entering WTO. First,with the reduction of tariff and non-tariff wall,the international competitive environment of mechanical and electronic products will be more and more severely.

本文从理论和现实两个视角来分析机电产品国际竞争力提升的内在机制：一方面，通过将比较优势和竞争优势理论、战略性贸易理论和产业内贸易理论的基本思想与当前的国际经济环境及时代背加入WT 0后中回机电产品国际无争力馒开分析景相结合，提出机电产品国际竟争力提升所需具备的产业和贸易政策：另一方面，通过实现机电企业的核心竞争力，来提升机电产品的国际竞争力。

The four sets of stator bars including those retired from three large generators and the standby bar subjected to Dynamic Mechanical Analysis, Scanning Electron Microscopic and optical microscope observation. It was revealed from DMA that the peak value tan d m of mechanical loss thermogram tan d ~ T shift toward a higher temperature and a lower amplitude, indicating that the amount of movement monomers diminished greatly in the insulation aging process, the tan d 195, increased very slightly with the service time of insulation, showing the degrading of bonding properties at interface, and the presence of more defects in insulation. The observation of SEM and optical microscope showed that more and more voids appears in insulation, and delamination was formed due to development of voids in aging process.

对不同运行年数的线棒进行了 DMA 、 SEM 、光学显微镜等微观分析试验，动态力学分析发现(参见 Hao et al， CEIDP， 2002：404)，力学损耗温度谱 tan d ~ T 的峰值 tan d m 随老化时间向高温、低值方向移动，表明促成环氧发生玻璃化转变的活性侧基或发生局部运动的活性链段减少，分子链的刚性增强；195℃的力学损耗 tan d 195随老化时间有缓慢增大的趋势，表明有更多的能量耗散在界面处，界面的粘合性变差，甚至由于界面粘结不良出现微观缺陷； SEM 和光学显微分析发现(参见 Hao et al-2， IEEE DEI， 2003)，老化后的绝缘气隙增多，随着老化时间气隙不断扩展或相互连通，绝缘逐渐分层。

In order to predict and control the traction trafficability of a lunar rover, an algorithm for mechanical parameters estimation of lunar soil basing on linear-least squares method was presented, two key mechanical parameters, cohesion and internal friction angle were reversely estimated.

为了预测月球车的牵引力并进行牵引控制，提出了一种基于线性最小二乘法的月壤力学参数估计算法，对内聚力和内摩擦角这两个关键的月壤力学参数进行反求。

The low voltage breaker is composed of electric conducted system,extinguish-arc room, heat tripper and electric magnetism wink-moved mechanism.The functions of move mechanism directly impact the reliability of breaker's move. This topic is imported by using the exchange module of multibody dynamics simulation software automatic dynamic analysis of mechanical system,and then its movement was simulated by applying ADAMS,with the design and the optimization of DW16 Low-voltage breaker's ususal mechanical movement.

摘 要：低压断路器由导电系统、灭弧室、热脱扣器和电磁式瞬动机构组成，其中操动机构的性能直接关系断路器动作的可靠性，本课题利用Pro/E对操动机构进行三维实体造型，然后将利用多体动力学仿真软件ADAMS进行仿真，完成对DW16型低压断路器的常用操动机构的设计和优化。

The result of the design is the static plane figure of the mechanical models. With this method the condition of movement and relative ubiety is difficult to express when the mechanical models moves.

这种方法难以反映机械模型在运行过程中各零件的运动状态及其相对位置关系，无法直观地判断运动是否合理，各零件之间是否存在干涉等。

Connect joint of mechanical seal with shaft seal water pipeline (For newly installed shaft seal water pipelines, please clean up or rinse out sundries such as welding dregs, sand which are remnant in pipelines in advance). Start shaft seal pump, unclose shaft seal pipeline valve and turn pump shaft by manpower, if leakage, that indicates dunghill exist on shaft seal end-cover, here gland bolts should be loosened to wash mechanical seal with clean water and then impact gland.

将机械密封的接口连通轴封水管路(新安装的轴封水管路应事先将残存在管路内的焊渣，泥沙等杂物清理或清洗干净)，启动轴封泵，打开轴封水管路阀门，人工转动泵轴，如有滴漏现像说明轴封端面有脏物存在，应将压盖螺栓松开用清水冲洗机械密封后，再将压盖压紧。

Connect joint of mechanical seal with shaft seal water pipeline (For newly installed shaft seal water pipelines, please clean up or rinse out sundries such as welding dregs, sand which are remnantin pipelines in advance). Start shaft seal pump, unclose shaft seal pipeline valve and turn pump shaft by manpower, if leakage, that indicates dunghill exist on shaft seal end-cover, here gland bolts should be loosened to wash mechanical seal with clean water and then impact gland.

将机械密封的接口连通轴封水管路（新安装的轴封水管路应事先将残存在管路内的焊渣、泥沙等杂物清理或清洗干净），启动轴封泵、打开轴封水管路阀门，人工转动泵轴，如有滴漏现像说明轴封端面有脏物存在，应将压盖螺栓松开用清水冲洗机械密封后，再将压盖压紧。

UFP/MPA/TiO2 nanocomposite coating was prepared with urushiol formaldehyde polymer and multihydroxyl polyacrylate via sol-gel process. Its structure and dynamic mechanical properties were characterized by PT-IR, TEM and DMTA. The physico-mechanical and ultraviolet resistant properties of the coating film were also investigated.

采用Sol-Gel法制备了漆酚缩甲醛聚合物／多羟基丙烯酸树脂／TiO2纳米复合涂料(UFP/MPA/TiO2)，并用透射电镜、动态机械热分析、红外光谱和其它手段对复合涂膜进行测试。

Distribution region of EDZ and mechanical behaviors of rock mass are further evaluated by using damage model, and the result shows that damage variable is 0.6-0.8 for damaged zone, 0.4-0.6 for affected zone and 0.2-0.4 for slight affected zone. Finally, the slope excavation softening factor is introduced to Hoek-Brown empirical strength criterion, based on the deficiencies of using Geological Strength Index to estimate the rock mass mechanical parameter of EDZ.

对应实测开挖扰动区的分布范围和形状，可以近似确定开挖损伤区岩体的损伤值约在0.6~0.8以内，卸荷影响区岩体的损伤值约在0.4~0.6以内，轻微扰动区岩体的损伤值约在0.2~0.4以内；由此基于Hoek-Brown经验强度准则，引入开挖弱化因子，结合地质强度指标GSI，进行开挖扰动区岩体力学参数研究。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。