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甲壳素和质量分数为40%的浓NaOH溶液的混合物在-18℃和40℃条件下反复进行冻融处理,结果表明慢速冷冻加低温解冻的冻融循环处理过程中,冰晶的反复形成和重结晶能够破坏甲壳素凝聚态特别是晶态结构。经过3次冻融循环处理,可使甲壳素在NaOH溶液中完全溶解,获得甲壳素最终质量分数为4%,NaOH最终质量分数约为10%的均相溶液,为用均相脱乙酰法制备半脱乙酰水溶性甲壳素提供前提。
In order to clarify whether chitin in shrimp meal (SM) affects growth performance of broilers adversely, body weight gain, feed intake, digestibility and nitrogen retention were measured in broilers g...
Field experiments were carried out in 1994, 1995, and 1996 to study the effects of chitin on the growth and yield of rice. The results of experiments in 1994 and 1996 showed that chitin as a basal dr...
Hexaflumuron, a benzoylphenylurea derivative, was tested topically at four doses (0.5, 1, 1.5 and 2 µg/insect) on adults of Callosobruchus maculatus (Coleoptera: Bruchidae) and first evaluat...
Root rot disease caused by Rhizoctonia solani, Fusarium solani and Sclerotium rolfsii is the most severdisease attacks tomato plants. Effect of different application methods of chitin and chitosan as...
Root rotcaused byRhizoctonia solani,Fusarium solani and Sclerotiumrolfsii is themost destructive disease of tomato plants. Effect of chitin and chitosan on root rot pathogens as well as their influenc...

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