The increase in carbon dioxide in the atmosphere resulting from the burning of coal and oil is creating a greenhouse effect, and raising the world's average temperature.
燃烧煤和油使大气里的二氧化碳成份增加，这就带来了温室效应，使世界平均气温上升。
Faults: with large area refrigeration effect is not very good, no dehumidification function, high temperature of the place with bad, when using, also increase the humidity in the air.
缺点：对于大面积制冷效果不是很好，没有除湿功能，温度高的地方不好用，使用时还增加空气中的湿度。
The results showed that the effect of bleaching was strengthened gradually with the increase of concentration and the rise of temperature of hydrogen peroxide.
实验结果表明：在进行漂白时，随着过氧化氢浓度的增加，温度的升高，漂白效果逐渐加强。
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