The technology of produce cadmium carbonate with spent forth cadmium electrode plat which from the product of nickel-cadmium battery, was investigated.
探讨了用镍镉电池生产过程中产生的废泡沫式镉极板生产碳酸镉的工艺技术。
And then, "311-a" optimum compound design was used to study on remediation of cadmium contaminated soil with calcium carbonate, calcium magnesium phosphate and humic acid.
然后采用“311—a”最优混合设计，研究碳酸钙、钙镁磷肥、胡敏酸组合配比对治理土壤镉污染的效果。
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