1)  pressure seal
自压密封
1.
Describe the structure characteristic and working principle of pressure seal swing check valve.
阐述了自压密封旋启式止回阀的结构特点、工作原理、材料选用和止推环设计。
2)  Self sealing ring
自压密封环
3)  self-press
自压
1.
Based on analyzing the characteristic of self-press micro-irrigation system and the advantage and disadvantage of fertigation equipment is using,a simple and useful fertilizing equipment for self-press irrigation system was presented.
在分析自压微灌溉系统的特点和现有灌溉施肥设备优缺点的基础上,详细介绍了一种简单实用的自压微灌系统施肥装置,为山地丘陵区自压灌溉系统解决施肥问题提供了一条有效的途径。
4)  self-pressure medicine
自压给药
1.
s:Based on the data of tensile and reovery of silicone rubber samples,by certain simulating calculation of modular stress and strain,the diameter and thickness of the tubes were obtained,which could meet the requirement of continuous self-pressure medicine equipment,the requirement were as follows:proper volume,stable pressure and flow rate,biological-inert and safety.
通过测试硅橡胶试片的拉伸和恢复性能数据 ,经过一定的计算模型及计算方法得到胶管管径和壁厚的组合 ,设计出能满足自压给药装置连续给药要求的胶管。
5)  blood pressure monitoring
自压监测
6)  self-pressure water supply
自压供水
1.
How to manage decompressing and adjusting storage capacity in the self-pressure water supply project was a serious problem.
针对人畜饮水工程设计中,如何处理自压供水中减压与调蓄问题,结合工程实例提出了设计思路和解决方法。
参考词条
补充资料:平垫自紧密封
分子式:
CAS号:

性质:此类密封的结构是依靠容器介质的压力作用在顶盖上,从而压紧平垫片来实现密封的。采用这种结构是使顶盖和筒体端部以螺纹连接,而避开了笨重而复杂的法兰螺栓连接结构,其密封性能可靠,由于顶盖可以在一定范围内移动,所以在温度和压力波动时仍能保持良好的密封性能,这种结构的缺点是拆卸较困难,对大直径容器而方,加工和拧紧螺纹套筒均很困难,所以此类结构不宜用于大直径压力容器。

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