充分理解食品卫生的原则，必须了解微生物在食品变质和中毒作用。
To comprehends fully the principles of food sanitation, one must understand the role of microorganisms in food spoilage and poisoning.
目的观察米酵菌酸对小鼠顶叶皮质毒性作用的超微结构改变，探讨米酵菌酸的中毒作用机理。
Objective To observe the ultrastructure changes of intoxicated mice parietal cortex caused by bongkrekic acid (BKA) and to explore the mechanism of BKA poisoning.
镍对催化裂化催化剂的中毒作用已被国内认识，但钒对催化裂化催化剂的中毒影响尚未引起人们重视。
It has been acknowledged that nickel has a poisonous effect on FCC catalyst in China, but it has still not recognized that Vanadium has a poisonous effect on the FCC catalyst too.
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