夹层培养法（layer plating method）：先在培养皿底部倒一薄层不含菌的基本培养基，待凝，添加一层混有经诱变剂处理菌液的基本培养基， 再浇一薄层，不含菌的基本培养...
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two layer plating method 双层平板法 ; 测定效价常用且较精确的方法称为双层平板法
This paper mainly studies the measuring method for the thickness of plating layer ofthe eddy-current sensor in the case of the multi-frequency and multi-parameters.
主要研究了电涡流传感器在多频率多参数下镀层厚度的测量方法。
The fiber is firstly coated with a thin copper or nickel plate with electroless plating method. Then, a thicker nickel plate is coated on the surface of the conductive layer.
提供了保护过程的技术细节，首先在光纤表面进行化学镀处理获得导电的薄镍层或铜层，然后在该导电层上进行电镀镍。
A method for autocatalytic plating of silver metal directly onto a silicon surface without the need for an intervening layer of metal is also disclosed.
还公开了在不需要金属中间层的情况下，直接在硅表面上自催化镀覆银金属的方法。
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