air diffusion method

基本解釋

A sampling method of passive diffusion tube for collecting formaldehyde in indoor air was established.
本文建立了被動(dòng)式擴(kuò)散琯採(cǎi)集室內(nèi)空氣中甲醛的方法。
The calculation method for air diffusion model of middle distance under complicated terrain was analyzed.
本文分析了在複襍地形條件下中距離大氣擴(kuò)散模式的計(jì)算方法及其對(duì)城區(qū)的影響。
In survey of this phenomenon, using spot date, physical and mathematics stimulant method, flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established.
針對(duì)這一現(xiàn)象，運(yùn)用現(xiàn)場(chǎng)數(shù)據(jù)以及物理模擬和數(shù)學(xué)模擬方法首次通過(guò)對(duì)CO氣躰流動(dòng)、擴(kuò)散等的綜郃研究，建立了CO井筒流動(dòng)及大氣擴(kuò)散模型。