The cast iron standard work pieces treated with the product can obtain deep grey, uniform and fine, good rustproof phosphating film.
用此产品处理的铸铁标准件可获得外观呈深灰黑色、细密均匀、防锈性好的磷化膜。
In the analysis of grey ssytem, generalized H point standard addition method can be used to reduce the interference of unknown substances and to determine the analyte.
通用H点标准加入法可消除未知干扰影响 ，测定灰色体系中待测组分含量 ，给出唯一解。
In the analysis of grey ssytem, generalized H point standard addition method can be used to reduce the interference of unknown substances and to determine the analyte.
通用H点标准加入法可消除未知干扰影响 ，测定灰色体系中待测组分含量 ，给出唯一解。
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