critical moisture meaning in Chinese

临界含水量
临界湿度
临界水分

Critical moisture content
临界含水率
What calls commissariat safe moisture , critical moisture ? who advances these ideas the earliest ? had jumped over in detail more , thank ! !
什么叫粮食安全水分，临界水分？谁最早提出这些概念？越具体越好，谢谢！！！
Critical moisture is to point to exceed certain limit when water content , the respiration intensity of commissariat rises significantly namely , form an obvious turning point , the moisture of turning point calls critical moisture
临界水分是指当含水量超过一定限度，粮食的呼吸强度即显著提高，形成一个明显的转折点，转折点的水分称为临界水分。