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.
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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