The study about dynamics change and affection factors of forest reservoir total regulating water content in different forest types,was carried out using water-balance method and mixed quantified model respectively,in order to grasp the mechanism of forest reservoir on storing and regulating run-off.
以福建闽江上游裸露地为对照,封山育林、杉木和木荷林分为研究对象,分别采用水量平衡法与混合数量化模型对森林水库的调节水总量动态变化及其影响因素进行研究,以期加深对森林水库调水机理的认识。
It is introduced in the thesis researching and manufacturing an assembly of adjustable valve with multi-purposes for gas valve of water heater.
研制一种具有多功能性的燃气调节阀总成。