对气相滞留时间进行了精确的定义。
The accurate definition of the gas phase residence time has been given.
此外,还对坯体的致密化机理和热解炭的形成机理进行了初步的探讨。(3)对气相滞留时间进行了精确的定义。
In addition, mechanisms involving densification and formation of pyrocarbon were discussed. (3) the accurate definition of the gas phase residence time has been given.
经呼吸道的滞留率高、稳定,不受吸入气中MMH浓度和动物通气量变化的影响。
The absorption rate, which was independent of the concentration of MMHin air and the ventilation volume, was constant and hight as 98%.
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