虾下脚料制备多功能叶面肥的研究-论文同学网 关键词：虾下脚料；叶面肥；原子经济性；甲壳素；虾肽蛋白 [gap=1227]Key word: Shrimp waste; Foliar fertilizer; Atom economy; Chitin; Shrimp peptide protein
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The astaxanthin from crawfish waste was mainly free astaxanthin, and the astaxanthin from red shrimp waste was mainly astaxanthin ester.
研究结果表明，螯虾壳虾青素主要是以游离的形式存在，红虾壳虾青素主要是以虾青素酯的形式存在。
To extract astaxanthin from shrimp waste, we can fully utilize the rich resource of shrimp waste in our country, increase the added-value of shrimp waste, and benefit our economy and society as well.
从虾壳中提取纯化虾青素，正是为综合利用我国丰富的虾壳资源，提高虾壳产品的附加值，具有良好的经济效益和社会效益。
Of that total, tropical shrimp trawl fisheries have the highest "discard" rate, accounting for 27 percent of the waste — 1.8 million tonnes of it.
在这一总量中，热带虾类拖网渔业的“抛弃”率最高，达到180万吨，占废弃物的27%。
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