以蚕沙为原料，对提取果胶的方法进行研究。
A way of extracting pectin, which USES silkworm as the raw material, is studied by this paper.
你知道怎么拯救，怎么蚕沙，怎么接受，怎么给予。
干燥的蚕沙呈小圆柱型颗粒，坚实，均匀，色黑或墨绿。
The dried silkworm feces is presented a small columned granule of massiness and uniformity which is black or blackish green.
利用蚕沙喂猪可以降低饲料成本，平均每头猪增加盈利55元。
By utilization of silkworm excrement the cost of forage for pigs was reduced and the profit was increased by 55 Yuan per head in average.
项目建成后具年产叶绿素400吨及其副产物蚕沙有机肥7500吨的生产能力。
The completed project will have the capacity of producing 4000 tons of chlorophyll and 7500 tons of by-products such as silkworm organic fertilizer.
项目建成后具年产叶绿素400吨及其副产物蚕沙有机肥7500吨的生产能力。
The completed project will have the capacity of producing 4000 tons of chlorophyll and 7500 tons of by-products such as silkworm organic fertilizer.
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