The aim is to solve the lower percent of dye utilization and the serious environment pollution problem caused by high salt dosages and residual dyes in dyeing solution.
目的在于解决棉织物染色时，染料利用率低，染色残液中含有大量的盐及未上染的染料，造成严重的环境污染等问题。
In the preparation of amino acids through acidic hydrolysis of proteins, high concentration of salt is introduced into the hydrolysate when the residual acid is neutralized.
在用蛋白质酸性水解制备氨基酸时，因中和残留的酸会使水解液中带入大量的盐。
There exist the defects of efficiency and residual poison by the application of oxidizing bactericides and the quaternary ammonium salt bactericides that are still widely used at present.
对于现在仍广泛使用的氧化型和季铵盐型杀菌剂，仍存在着使用效率和余毒问题；
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