1) non-slam cheek valve
无撞击声止回阀
2) tilting-disc check valve
无冲击止回阀
3) non-power check valve
无动力止回阀
1.
The necessity of valve shut down starting loading device for non-power check valve are described and a kind of valve are intrduced which have a auto-momentary loading device of starting moment of torsion acted by momentary deferential pressure by drainage pipeline system at normal stop sorking or breakdown condition.
阐述了无动力止回阀设置关阀起动加载装置的必要性 ,介绍了一种利用给排水系统运行及正常停泵或事故停泵时瞬间介质压差对止回阀起动转矩进行自动、瞬间加载的装置 ,及其主要结构元件的设
4) valve knock
阀撞击
5) impact noise
撞击噪声
1.
The impact noise of the stacker is very serious.
垛板机撞击噪声严重 。
2.
The result shown that there is good agreement between experimental value and predicted by SEA,and the SEA calculation model is feasible for calculating the impact noise of a floor plate.
应用统计能量分析(Statistical Energy Analysis,简称SEA)理论对隔绝建筑楼板撞击噪声的机理进行探讨,通过建立相应的理论模型,对楼板的隔声能力进行计算,且与楼板隔声实测结果相符,这表明应用SEA建立的隔绝撞击噪声计算模型是可行的。
6) impact sound
撞击声
1.
The contrast test for impact sound insulation of concrete floors with different wood-floor coverings is presented.
通过对混凝土楼板和各种木地板构造方案的撞击声隔声性能的对比测试,对其隔声机理的定性理论分析,以及对铺装方法、弹性垫层等影响因素的讨论,研究了木地板对混凝土楼板撞击声的隔绝作用。
2.
This paper introduces the rating of impact sound insulation of floor coverings and gives 2 practical examples of the calculation, meanwhile, discusses how to use the results from measurements and rating for the designs of sound insulation.
介绍楼板覆面层隔绝撞击声的评价方法,给出评价计算实例,并探讨测量、评价数据在隔声设计中的应用问题。
补充资料：见止回阀
分子式：
CAS号：
性质：见不可逆转变
CAS号：
性质：见不可逆转变
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条