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Derives the formulae for calculating the distortion and stress on the acting surface of flexspline load in the drive process of the harmonic gear drive with three-wave wavegenerator;(2) analyzes and compares the performance of plastic and steel products under light load drive and calculates the probably reached limit of drive ratio for both types of flexsplines under the same load;(3) applies the harmonic gear drive with three-wave wavegenerator to the small-sized multiple-revolution electric device of valves by taking into consideration of the low limit of the drive ratio for the harmonic gear drive with three-wave wavegenerator made of plastics, improves the design on the main drive mechanism of the traditional small-sized multiple-revolution electric device of valves, and validates through examples the feasibility for the harmonic gear drive with three-wave wavegenerator made of plastics to be applied to the small-sized multiple-revolution electric device of valves. Finally the author performs calculations on the two types of the flexsplines of the harmonic gear with three-wave wavegenerator by using the finite element method and analyzes the causes for the errors.

本文根据三波谐波齿轮传动的运动变形特点，采用弹性薄壳的力矩理论，推导了三波谐波齿轮传动柔轮载荷作用面上的变形及应力计算公式；分析比较了轻载传动情况下塑料和钢材的性能，计算了塑料制谐波柔轮和钢制谐波柔轮在相同载荷情况下可能达到的传动比极限；对塑料制及钢制三波谐波齿轮柔轮进行了有限元计算，分析了产生误差的原因；针对三波塑料谐波齿轮传动比极限低的特点，将之运用于小转矩多回转阀门电动装置中，对传统的小型多回转阀门电动装置的主传动机构进行了改良设计，并通过实例验证了三波塑料谐波齿轮传动在小转矩多回转阀门电动装置中应用的可行性。

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Harmonic Drive Technical Dynamic League Group Co., Ltd. is consisted of Beijing Feida CTKM Harmonic Drive Technology Innovation Co., Ltd., Beijing CTKM Harmonic Drive Co., Ltd. and other units. The group company is home to many experts, professors and researchers, who have been in the field of harmonic drive for years, and have had a number of key results of harmonic drive technology, including series harmonic drive products with 8 different structures. The group has the strongest capability in harmonic drive technology innovation, and has made important contributions to the development of China's harmonic drive technology.

由北京飞达克美谐波传动技术创新有限公司和北京中技克美谐波传动有限责任公司等单位组成的动态联盟集团公司集中了我国多年来从事谐波传动技术研究的专家，教授及科技人员，曾主持完成我国多项谐波传动技术成果，开发出八个不同结构的谐波传动系列产品，具有最强的谐波传动技术创新能力，为我国的谐波传动技术的发展做出了重大贡献。

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This study is to give a solution for the estimation of flash point for mixtures, the necessity for classification of flammable liquids. The traditional models for predicting flash point of mixtures usually by the activity coefficient approach. However, the parameters of activity coefficient were regressed from phase equilibrium data in the literatures. If there is no such parameter in literatures for the desired mixture, the model cannot predict the flash point oft hat mixture. Thus, this research aims at the improvement of deficiency of the flash point prediction models in the literatures by useing UNIFAC (Universal Quasi-chemical Functional Group Activity Coefficient) equation, Dortmund-UNIFAC equation and Lyngby-UNIFAC equation. In this study, we were aim at the prediction model for miscible mixtures.From the result, it is suggested to use different type of UNIFAC equation to estimast activivity coefficient in the predition of flash point for different mixture type.

易燃液体分类的主要依据参数为闪火点值，因此本研究目的为解决易燃液体中混合物分类时所面临到的闪火点值缺乏的问题，而在过去文献中所提出的闪火点预测模式会使用到活性系数，但这些模式使用到的活性系数均需要相平衡的数据以回归其所需参数，若所欲估算闪火点的混合溶液文献上未有相关参数，则无法有效利用闪火点预测模式估算其闪火点，因此针对文献中现有闪火点预测模式的缺点，利用描述液体混合物活性系数UNIFAC (Universal Quasi-chemical Functional Group Activity Coefficient)方程式、Dortmund-UNIFAC方程式和 Lyngby-UNIFAC方程式，建立发展一闪火点预测模式，而本研究以互溶溶液为对象。

FlashSpring is very flexible and provides you with different ways of exporting presentations to Flash format, such as solid Flash clips, multipage Flash clips, a set of Flash clips embedded in a Flash-based player.

flashspring是非常灵活，为您提供不同的方式出口简报Flash格式，如固体的Flash剪辑，多页的Flash剪辑，一套的Flash剪辑嵌入式在一个基於闪存的播放器。

The global leading maker of DRAM modules and flash memory products, A-DATA Technology has announced the availability of its new A-DATA N002 Combo Flash Drive, which the company claims as the industry first ever combo flash drive that equipped with blazing fast USB 3.0 and SATA II dual Interface, ideal for folks who are thirsty for super-sized storage capacities with ultimate data transfer speed.

全球领先的制造商的DRAM模块和闪存产品，威刚科技宣布其新的阿提供威刚N002闪存盘组合，作为行业的公司宣称首次组合闪存驱动器，提供惊人的高速USB 3.0设备和SATA II双，让大众的理想谁是超级渴接口大小的最终数据传输速度的存储容量。

The first drive component (1) is movably embodied in the small electrical appliance such as to carry out an oscillating movement in counter-phase to the second drive component (2). The centres of gravity of the first drive component (1) and the second drive component (2), including components which are displaced with the first drive component (1) or the second drive component (2), move in a common line.

第一驱动组件(1)被可动地安装在小型电动器具中，使得它执行第二驱动组件(2)反相的振荡运动，且第一驱动组件(1)和第二驱动组件(2)包括与第一驱动组件(1或第二驱动组件(2)共同运动的那些部分的重心在一条公共直线上运动。

Self-drive car: Drive along Luosha Road from the urban to Yantian, and then drive to Yanba Expressway and drive off at Kuiyong, pass through the DIEFUSHAN tunnel, turn to the horizontal direction at the new interchange after drive down from the slope, and then, drive towards the direction of Dongshan and Yangmeikeng and arrive at the destination.

自驾车：从市区沿罗沙公路到盐田，然后上盐坝高速到葵涌下，往大鹏方向，穿过迭福山遂道，下了斜坡后在布新立交转向水平方向，然后往东山，杨梅坑方向开，即可找到。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。