A bigger challenge was installing lights and projectors that would automatically disconnect if chemical sensors detected dangerous gases, including carbon monoxide, methane and sulfuric acid.
Methane sulphonic acid (MSA) has the right combination of properties for electroplating baths containing lead, tin, copper, nickel and some precious metals.
在含有铅、锡、铜、镍和一些贵金属的电镀池中，甲磺酸(msa)是一种很好的电解质。
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But the research in the effect of the volume ratio of acid phase to methane phase on a removal efficiency of organic materials are still deficient.