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Cai Rongwei. Study on the structure and functional characteristics of opuntia milpa alta polysaccharide [D]. Jiangnan University, 2008.

Wang xuerong Preparation technology and properties of pig blood polypeptide iron chelate [D]. Southwest University, 2008.

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Zhao yuyan Toxicological safety evaluation of Bt transgenic cotton cottonseed [D]. Xinjiang Agricultural University, 2003.

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Wu Xianghua. Isolation and identification of Rhodopseudomonas palustris (NS-04) and its application in the culture of fugu obscurus. Nanjing Normal University, 2004.

Chang Wei Study on composition analysis and processing technology of pumpkin [D]. Northwest A&F University, 2004.

Shi Huiyang. Study on enzymatic extraction of collagen from pigskin [D]. beijing university of chemical technology, 2004.

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