The second chapter introduces the plastic packaging Ham phthalate plasticizers in the pre-treatment methods, including extraction and purification methods.
第二章详细介绍塑料包装西式火腿中邻苯二甲酸酯类增塑剂的前处理方法，包括提取及净化方法。
Chapter 2 is the research on porous plastic fiber optical probe for ammonia with the indicator of aminofluorescein.
第二章是以氨基荧光素为指示剂的多孔塑料光纤氨化学传感探头的研究。
Chapter 3 is the research on porous plastic fiber optical probe for ammonia with the indicator of 2,7-dichloro-3,6-acrylate ester fluorescein.
第三章为以二氯二丙烯酸酯为指示剂的多孔塑料光纤氨化学传感探头的研究。
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