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1.There were 11.44% crude protein containing 18 amino acids,5.08% crude fat(rich in glycerin and EPA and DHA) and 77.94% moisture in the muscle,indicating that the nutritional value of marbled eel is higher than Japanese eel(Anguilla japonica) and European eel(Anguilla anguilla).
蛋白质、脂肪、水分含量百分比为11.44、5.08、77.94,氨基酸有18种,脂质以甘油三脂为主,无机元素、EPA和DHA含量高,DHA>EPA,营养价值优于日本鳗鲡和欧洲鳗鲡。收藏指正
2.When the mass ration of CMC/collagen is 1∶2,CMC mass fraction is 4%,collagen mass fraction is 12%,pH value of blending solution is 3.5,temperature of blending solution is 60℃,time of agitating is 60min,glycerin mass fraction is 3.0%,the optimum mechanical properties of the film are obtained.
将羧甲基纤维素加入膜体系后,膜的力学性能有了显著提高。 在羧甲基纤维素与胶原蛋白质量比1∶2,羧甲基纤维素质量分数4%,胶原蛋白质量分数12%,膜液pH值为3.5,溶液温度60℃,溶液共混时间60min,甘油质量分数3%条件下,制得的共混膜力学性能最佳。收藏指正
3.Besides policy factors, five methods of cost-cutting of biodiesel are reviewed, including new raw material with higher oil content, shorter regeneration cycle, which is suitable for infertile soil and different climatic conditions; heterogeneous catalysts; new technologies (e.g. supercritical methanol and ultrasonics); higher added value utilization of by-product glycerin with simple method (propylene oxide chloride, 1,3-propanediol, pyruvic alcohol etc.) and moderate scale of production.
摘要综述了除政策因素外，降低生物柴油生产成本的5种方法：选择含油率高、再生周期短、适应贫瘠土地及不同气候条件的新型植物原料；研究新型固体催化剂；引入新工艺（超临界法和超声波法）；使用比较简便的方法将废弃的甘油转化为高附加值的产品（环氧氯丙烷、1,3-丙二醇、丙酮醇等）以及适度生产规模等。收藏指正
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