The prospect of ricinine and the problem in the process of comprehensive utilization of silkworm feces are both discussed.
本文还讨论了蓖麻碱的应用前景以及蚕粪综合利用中可能存在的问题。
The dried silkworm feces is presented a small columned granule of massiness and uniformity which is black or blackish green.
干燥的蚕沙呈小圆柱型颗粒，坚实，均匀，色黑或墨绿。
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