The influence of alkali treatment time on properties of flax noil fibers was studied through bundle strength tester, fiber cutting machine and manual length method.
通过束纤维强力仪、纤维切断器等仪器和手排长度法研究了碱处理时间对亚麻落麻纤维性能的影响。
We must be master of time of acid-alkali treatment in the process of staining, neither short nor long, otherwise we'll influence effects of staining.
在染色过程中要掌握好酸碱处理的时间，既不能过短，也不能过长，否则都会影响染色效果。
The FDY production technology of sheath core fiber is studied, the effect of alkali treatment with different concentration, different time on the mechanical properties are analysized.
对皮芯复合纤维FDY生产工艺进行了研究探索，分析了不同浓度、不同时间的碱处理对所制得的纤维力学性能的影响。
The factors affecting the alkali-treatment including NaOH concentration, time and temperature were studied by the orthogonal experiments. The optimum conditions for industry have been determined.
采用正交实验设计，研究了卡拉胶碱改性操作中碱浓度、改性时间和温度的优化，确定了适合工业生产的最佳工艺参数。
The residual sludge from Licunhe wastewater treatment plant was hydrolyzed by alkali hydrolysis to extract protein at different ratio of solid to liquid at different temperature, reaction time and pH.
为充分提取污水污泥中的细胞蛋白，实现污泥的增值利用，以青岛市李村河污水处理厂剩余污泥为材料，采用碱水解法提取剩余污泥中的蛋白质。
For normal alkali corrosion procedure of aluminum alloy, the treatment time is long, and exceeding corrosion will occur.
前言：常规的铝合金碱蚀工序时间长，易产生“过腐蚀” ；
For normal alkali corrosion procedure of aluminum alloy, the treatment time is long, and exceeding corrosion will occur.
前言：常规的铝合金碱蚀工序时间长，易产生“过腐蚀” ；
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