应用红外光谱技术研究了在乙酸锌催化作用下1，5-萘二胺与碳酸二甲酯甲氧基羰基化反应机理。
The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.
四乙酰乙二胺(TAED)由于其较好的漂白活化作用而应用日益广泛。
Tetraacetylethylenediamine (TAED) as a good bleach activator is used widely more and more.
以上产品对空气中的尘埃、烟尘、甲醛、二甲苯、胺、二氧化碳、二氧化硫、酸、碱等各种有害气体尘埃及污水有着良好吸附和净化作用。
The products above have good adsorption and purification on dust, smoke, formaldehyde, xylene, amines, carbon dioxide, sulfur dioxide, acid, alkali and other harmful gases in the air and the sewage.
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