But the seeds can be consumed only after an extensive refining process removes the gossypol, a toxic chemical that helps protect the plant from insect and microbe infestation.
但是，只有在经过一道去除棉子酚的深加工精炼程序之后，棉籽才能食用。棉子酚能保护棉花植株免受昆虫及微生物的侵扰，是一种有毒的化学物质。
The process and its result of the on-line cleaning program in the third circulating water system of Daqing Refining & Chemical Company are introduced.
介绍了大庆炼化公司第三循环水场在线清洗的方案制定过程及清洗结果。
The production technologies for multiple petrochemical raw materials were introduced with the theoretical mechanism explained by conversion of chemical structures in the refining process.
介绍了炼油过程中多产石油化工原料的有关工艺技术，从化学结构转化角度阐明了理论依据。
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