有阀的

The result showed that the structural parameters could greatly affect the distribution of flow field and the initiation of cavitation.

研究结果表明：阀的结构参数对流场的分布和气穴的产生有较大的影响。

There is vibration operation, the valve may be from CRYOGENIC GATE VALVES their normal position to open or close down.

在有振动的操作中，闸阀可能从他们的正常的位置打开或者关闭。

So, it is necessary that a more effective and advanced control draft needs to be found to realize the auto-control for jigging air-valve.

所以，有必要寻求一种更为有效的、先进的控制方案实现跳汰机风阀的自动控制。

As one of the key components of water hydraulic system, water relief valve plays an important role in water hydraulic system.

纯水溢流阀是纯水液压系统的关键部件之一，其性能对纯水液压系统的性能有重要的影响。

And solenoid valve, electro-pneumatic converter has a great quality of life.

并且对电磁阀的、电空转换器的质量寿命有很大的益处。

All above is very important in the design of solenoids based on the GMM.

以上这些对电磁阀的建模和控制特性的设计有重要的参考价值。

The construction of many types of valve, in the past often have membrane-type, inner spring piston and so on.

减压阀的构造类型很多，以往常见的有薄膜式、内弹簧活塞式等。

The work of this paper will be useful for the reliability design of the ring valve of reciprocating compressor and the study on other types of valve.

本文所做的这些工作，可以为往复式压缩机环状阀的可靠性设计及其他型式气阀的分析研究提供有价值的参考。

By comparing the motion curves of the valve, it is found that the motion regularities of the ring valve have relations with refrigerant and working conditions of compressor.

通过比较所得到的阀片运动曲线，发现气阀运动规律对于不同工质、工况是有差异的。

Also used for general STOP VALVE symbol when amplified by specification.

如果有进一步的说明，也可用作通用的停止阀。

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。