The best decrease was always at sodiumhydroxidetreatment among these components.
各组分下降幅度均以氢氧化 钠处理最高。
2
After treatment of yarns or cloth, the sodiumhydroxide is removed by several washes under tension.
纱线或织物经过处理之后,要在张力状态下经过几次水洗以除去氢氧化钠。
3
On the basis of studying the mechanism of sewage scaling and its softening treatment, the technique for water quality soft process with sodiumhydroxide precipitation method is determined.