Dense phase voidage can be estimated by cutting gas flow and following the rate of bed collapse.
采用切断流化床气源,并跟踪测量床面塌落速度的方法,可以测得浓相空隙率。
Cutting gas is to ensure that the formation of plasma jet, and to ensure that remove the molten metal oxides and incision.
切割气体既要保证等离子射流的形成,又要保证去除切口中的熔融金属和氧化物。
Clearly, energy conservation and alternative energy (wind, solar and nuclear power, among others) are crucial to cutting greenhouse gas emissions but they are not nearly sufficient.
节能和替代能源(包括风能、太阳能和核能等)显然对削减温室气体排放至关重要,但仅有这些还远远不够。
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