... thermal diffusion tube 热扩散管 passive diffusion tube 静态扩散管 diffusion tube gas burner 中心管进气喷燃器 ...
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A sampling method of passive diffusion tube for collecting formaldehyde in indoor air was established.
本文建立了被动式扩散管采集室内空气中甲醛的方法。
A new detection tube for formaldehyde gas based on passive sampling has been developed according to the principle of the gas molecular diffusion and chemical adsorption.
新研制的甲醛被动式检气管是建立在气体分子扩散和化学吸收原理基础上的。
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