这些产品比多数化学品可以获得更高的利润和享受相当稳定的需求。
These achieve higher margins than most commodity chemicals and enjoy fairly stable demand.
阿自由基产生的许多生化过程或有毒物质，如化学品，农药，重金属等，都是不稳定的分子，有一个电子失踪。
Free radicals produced by many biochemical processes or toxic substances, such as chemicals, pesticides, heavy metals etc, are unstable molecules that have an electron missing.
运输危险化学品需要添加抑制剂或者稳定剂的，托运人交付托运时应当添加抑制剂或者稳定剂，并告知承运人。
When inhibitors or stabilizers need to be added for transportation of hazardous chemicals, consignors shall add them upon the consignment, and inform the carriers.
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