The results show that this method is suited to character activated light calciumcarbonate and activated heavy calciumcarbonate which particle is very fine.
结果表明，该方法适于表征活性轻质碳酸钙和颗粒极细的活性重质碳酸钙。
2
Tiegujing(polypeptide calcium), imported defatted milk powder, activatedcalcium granule and calcium carbonate were put into ordinary feed of four groups of rats as calcium source.
本实验以铁骨晶（多肽钙），进口脱脂奶粉，活性钙冲剂，贝壳钙为钙源添加于大鼠正常饲料中。
3
The effects of the contents of activated light calciumcarbonate, PE wax and acrylic ester(ACR) on the surface gloss of plastics profile shapes were studied.