Renhe Gas Sampling Bag 人和铝箔气体取样袋
odor sampling bag 恶臭采样袋
total bag sampling 全量袋式取样法 ; 比例取样法
bag sampling 袋式取样
proportional bag sampling 比例取样法
sampling method using plastic bag 塑料袋采样法
Bag sampling system 袋式采样系统
A system for measuring exhaust particulates from an automotive diesel engine under transient operating conditions was developed, which includes a conventional dynamometer and a dilution sampling bag.
研制了一种在发动机台架上进行柴油机变工况下排气微粒测量的测试系统。该系统主要由普通测功机和微粒稀释取样袋等组成。
Methods: Using stratified sampling method to determine the survey places, The schistosomiasis in people and livestock were surveyed by the methods of nylon bag incubation and top - tube incubation.
方法:用分层随机抽样法确定调查点。 用尼龙袋集卵孵化法、顶管孵化法分别对人畜进行查病,用系统抽样结合环境抽样法开展螺情调查。
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