我们把混合含氟对甲氧甲基苄醇菊酯的这一高活性和低抗性特性暂称为“混合氟效应”。
We termed the character of mixture of pyrethroids of benzaleohol containing fluorine as "fluorine effect of mixture".
温室效应最强的其他十三氟甲烷(HFC - 23)，是用于冰箱制冷的化学物质HCFC - 22的副产品。
The most potent greenhouse gas is HFC-23, a by-product of HCFC-22, a chemical used in, among other things, fridges.
这些氢氟碳化合物的升温效应至少是二氧化碳的1000倍。
The warming effect of these HFCs is at least 1,000 times that of carbon dioxide.
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