Its main advantages are less dosage, low toxicity and long validity.
它的优点是用量少、毒性低、持效期长。
The preparation method has the advantages of short preparation and reaction time and production cycles, low cost of raw materials, less dosage and high yield.
优点是制备反应时间短，缩短了生产周期；所用原料成本低，用量少，收率高。
The experiment results show that polysilicate aluminum has better coagulation property than that of traditional coagulant, and less dosage of polysilicate aluminum is needed.
产品用于处理工业废水水样，并与传统混凝剂处理废水的效果进行了比较。
The result showed that the rare-earth additives of less dosage can promote the growth of Chongren Ma Chickens.
结果表明，较低剂量的稀土添加剂能促进鸡的生长发育。
The result showed that the rare-earth additives of less dosage can promote the growth of Chongren Ma Chickens.
结果表明，较低剂量的稀土添加剂能促进鸡的生长发育。
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