1.As to metal halide torch with gallium iodide is special rise 403nm and 417nm wave crest, and the highest wave crest 417nm has conspicuousness and good effect to exposal Diazo material.
1.至于钾掺合,特别增强了403nm及417nm
波峰,
最高
417nm波峰对于Diazo 材料
有十分显着及良好
作用.