查询词典 reciprocating

This paper analyzed the relations between vibration and plunger wear of reciprocating pump , and studied the characteristics for the diagnosis of plunger wear.

分析了往复泵柱塞-缸套磨损振动诊断机理，研究了振动时域、频域特征。

For the applications in continuous flow delivering or more than one chamber delivering, it is desired to have a reciprocating scheme with more than two plungers.

若是使用在有连续性且多剂量的液体传输上，则必须设计包含两个以上柱塞之往复式柱塞帮浦。

NET and three dimensional CAD software SolidWorks2004, the special-purpose three plungers reciprocating pump CAD system collecting the design, the lectotype, the analysis and the plot as a body is developed in this paper.

NET和三维CAD软件SolidWorks2004开发出一套集设计、选型、分析及绘图为一体的专用三柱塞往复泵的CAD系统。

With the help of performance test of reciprocating pump, the design for the spring was validated. An experiment-bed was also built to test the poppet valve's lift displacement. The testing results prove that the simulation was in a correct way.

设计了往复泵泵阀试验台；通过对往复泵进行性能测试，对不同弹簧预紧力下阀门升程进行了测定，验证了仿真结果的合理性。

In order to optimize the spring of the reciprocating pump valve and establish the best spring factor matching, the unsteady opening-closing process of the poppet valve was simulated. The simulation based on computational fluid dynamics approach, and the dynamic-grid technology and User Defined Function was conducted to depict the law of motion of the poppet valve.

采用RNG k-ε湍流模型、动网格技术以及用户自定义程序，对往复泵泵阀的启闭过程进行了非定常数值仿真，得出了不同弹簧因素下、阀门从开启到关闭的过程中，阀芯的升程随时间的变化规律、阀的迟滞关闭时间以及阀芯落座的瞬时速度。

A new way of exchange between rotation and reciprocating motion through planetary driving was introduced, which was different from the one realized by piton pump moving with cam, brace and link.

采用行星齿轮传动方式实现从旋转到直线的往复运动，不同于现有柱塞泵由凸轮、曲柄连杆或斜盘实现往复运动的方式，没有滑靴等高压力作用下高速滑移的元件。

Products include mobile gantry robot automatic spraying machine, electric spraying robot, flexible profiling automatic spraying machine, reciprocating spray machines, automatic coating robots, robot frame, handling robots, welding robot.

机器人产品包括移动龙门式自动喷涂机，电动喷涂机器人，柔性仿形自动喷涂机，往复式喷涂机，自动涂胶机器人，框架式机器人，搬运机器人，弧焊机器人的研制。

Products include mobile gantry robot automatic spraying machine, electric spraying robot, flexible profiling automatic spraying machine, reciprocating spray machines, automatic coating robots, robot frame, handling robots, welding robot.

机器人产品包括移动龙门式自动喷涂机，电动喷涂机器人，柔性仿形自动喷涂机，往复式喷涂机，自动涂胶机器人，框架式机器人，搬运机器人，弧焊机器人旳研制。

In this paper, researched the phase-out synchronous control methods of the linear motor driving three cylinder reciprocating pump.

本文研究了直线电机驱动三缸往复泵的异相同步控制方法。

Piston pump mainly by the piston in the pump cylinder for reciprocating motion to breathe and remove the liquid.

活塞泵主要由活塞在泵缸内作往复运动来吸入和排除液体。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。