The calcium tolerance of phosphonic acid is lower than polymer type scale inhibitors.
有机膦酸的钙容忍度低于聚合物防垢剂。
To observe the acute toxicity and death of the mice to which calcium nanoparticles were given in maximal dose and obtain the lethal dose 50(LD50) or the maximal tolerance dose (MTD).
观察小鼠一日内给予大剂量钙纳米粒子的急性中毒及死亡情况，得出半数致死量（LD50）或最大耐受量（MTD）。
The dispersing agent has high dispersing efficiency and salt tolerance and can be used for dispersing heavy calcium carbonate powder during grinding.
本发明的分散剂，具有很高分散效率和抗盐性，能够用于重质碳酸钙粉料研磨时的分散。
The dispersing agent has high dispersing efficiency and salt tolerance and can be used for dispersing heavy calcium carbonate powder during grinding.
本发明的分散剂，具有很高分散效率和抗盐性，能够用于重质碳酸钙粉料研磨时的分散。
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