4、过成熟阶段(over mature) 1、生物化学气(Biochemical gas) 鉴别:成分以甲烷为主,一般大于95%,含量可高达98%以上,重烃含量低,C2+<2%,属于典型干气,C1/∑(C1-5)为0.95~1.0,C2/C3&...
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The chemicals are produced as a gas to boost the plant's biochemical defences, say scientists from the National Center for Atmospheric Research in Colorado.
美国科罗拉多国家大气研究中心的科学家说,这种化学物可以提升植物的生物化学屏障。
Process of biochemical wastewater treatment, general situation and operation after treatment of liquefied petroleum gas bulk plant are adumbrated.
文章简单介绍了液化石油气储灌场的废水生化处理的工艺流程、改造后的工程概况和操作运行。
The chemical composition of the gas indicates that it was formed by biochemical action in the early stage of diagenesis.
天然气化学成分表明,其为成岩作用早期生物化学作用所形成。
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