查询词典 reciprocating motion

In the reciprocating pump, the suction valve and exhaust valve is a very important component and is vulnerable parts of their work directly affects the limits of the pressure reciprocating pump, pumping speed, power consumption and operating reliability.

在往复泵中，吸气阀和排气阀是非常重要的部件且是易损部件，它们工作的好坏直接影响往复泵的极限压力、抽气速率、功率消耗以及运行的可靠性。

In the reciprocating pump, the suction valve and exhaust valve is a very important component and is vulnerable parts of their work a direct impact on the limit pressure reciprocating pump, extraction rate, power consumption, as well as the reliability of operation.

气缸摘要：在往复泵中旋转气缸，吸气阀和排气阀是非常重要的部件且是易损部件，它们工作的好坏直接影响往复泵的极限压力、抽气速率、功率消耗以及运行的可靠性。

The Adolph accurate dynamic model cannot describe the movement of the reciprocating pump valve at the moment of opening, thereby a new accurate dynamic model for describing the motion law of an automatic conical valve is set up, in consideration of the condensability of the fluid, the Westphal's effect, the condition of the continuous flow of fluid and the dynamic characteristic of pump valve's motion.

针对阿道尔夫往复泵泵阀精确运动微分方程在泵阀开启瞬间存在奇点的不足，综合考虑液体可压缩性、魏氏效应、液体连续流条件及泵阀运动的动力特性，建立了描述往复泵自动锥形阀运动规律的精确运动微分方程。

Studied pumping well system in this article, the intermediate power transmission parts uesed flexible rod, the downhole assembled rod pump, the ground driving device would transform up and down reciprocating motion into rotating motion. With own mechanism rounded trip for the downhole flexible rod and pump. Wellhead polished rod changed common stell for flexible polished rod. It was a innovation in theory study and craftwork method. It was a remarkable feature in this article, because these innovations were not studied and attempted for prehuman.

本文所研究的抽油系统，中间动力传动部件采用柔性抽油杆，井下配套杆式抽油泵，其地面驱动装置将传统抽油机驴头的上下往复运动变为旋转运动，并且能够利用自身结构对井下柔性抽油杆及泵体实现起下作业，井口光杆也由普通钢质光杆变为柔性光杆，这是理论研究和工艺方法的创新，这些创新都是前人所没有研究和尝试的，是本文的一大显著特点。

It is applied to sorts of locomotive engine , In course of revolving of Crank and Connecting Rod Mechanism, there are revolving of the crankshaft , swinging of the connecting rod and reciprocating motion, so its motion state is complex, and periodic unbalanced force, by a few components, is great.

曲柄连杆机构在高速运转过程中，有曲轴的转动、连杆的摆动及活塞的往复运动，其运动状态复杂，各个部件所产生的周期性不平衡惯性力大，是引起发动机振动的主要原因。

Adding a set of fixture in the lathe,changing the gyratory motion of lathe into straight line reciprocating motion,and delivering the torque by the main shaft of lathe,supporting the broaching force by the fixture,thus reconstructing the lathe into broaching machine is realized.

在车床上增加了一套夹具装置，可将车床的回转运动改为直线往复运动，车床主轴可只输出扭矩，而由夹具装置承受拉削力，从而实现由车床向拉床的改造。

In this paper, different motion states such as the accelerated rectilinear motion and curvilinear motion are simulated and the relativity between the prediction error basing on the Kalman Filter and the motion state is presented.

本文通过对不同的运动状态进行仿真实验，给出了基于卡尔曼滤波算法得到的预测误差与运动状态的关系。

Through theoretical analysis, we know that the plunger motion law is a combination of uniform accelerated motion, uniform velocity motion and uniform retarded motion, and that the ...

通过理论分析可知，柱塞运动规律是等加速-等速-等减速组合运动规律，任一时刻各缸流量叠加后为恒定常数。

The mismatch or match segments of gated DISA imaging were defined by two experienced physicians of nuclear medicine who are not aware of clinical data. Regional wall motion score were interpreted as 16 segments system by American Echocardiography Association in 5 score: 0=regional wall motion normal; 1=slight decrease of regional wall motion; 2=severe decrease of regional wall motion; 3=dyskinesia; 4=akinesia.

门控DISA SPECT结果，由两位核医学科医生采用双盲法判断心肌灌注／代谢匹配情况，并根据美国超声心动图学会16段法分段，以5分法判断各节段局部室壁运动记分：0分=局部室壁运动正常；1分=运动轻度减低；2分=运动明显减低；3分=无运动；4分=反向运动。

The motion design of follower includes selection of motion law and distribution of motion duration for each motion phase.

从动件的运动设计包括各运动阶段运动规律的选择和运动时间的分配。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。