airpressure相关论文
目的:探讨乐清市气候变化与鼻出血发生的相关性,为患者临床诊治提供参考。方法:选取乐清市人民医院耳鼻咽喉科2018年10月至2019年10......
Double chamber oscillating water column device for the extraction of energy from ocean waves is a concept developed by p......
In this paper,the CdS films were prepared by Ultra high vacuum evaporation on the glass substrate.The different preparat......