一般物质与氧气发生氧化时放热，个别可能吸热如氮气与氧气的反应。电化学中阳极发生氧化，阴极发生还原。
The general substance and oxygen oxidation, the individual may absorb heat, such as the reaction of nitrogen and oxygen. Anodic oxidation and cathodic reduction in electrochemical process.
比如几个已知的物质，包括B -介子和K介子颗粒，它们与各处反物质的数量就不相等，但是，仅凭这些个别现象又无法完全解释其它物质数量不等的原因。
A few inequalities are known, involving particles called B-mesons and K-mesons, but they are insufficient to explain the amount of matter around.
进行了南水北调湖北库区水污染防治对策研究，结果认为，库区主要环境问题是COD及富营养化物质污染，个别河流存在着汞污染问题；
The result of study indicated that the major environmental issues in the reservior region are water pollution due to COD discharged and eutrophication, and mercury pollution in specific river.
进行了南水北调湖北库区水污染防治对策研究，结果认为，库区主要环境问题是COD及富营养化物质污染，个别河流存在着汞污染问题；
The result of study indicated that the major environmental issues in the reservior region are water pollution due to COD discharged and eutrophication, and mercury pollution in specific river.
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