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1·The chitosan filaments can be formed through extruding chitosan into the dilute sodium hydroxide solution.

壳聚糖溶液在氢氧化钠稀溶液中可凝固成丝。

2·The cellulose and the semi-cellulose were separated by sodium hydroxide solution from the pectin extracted beet waste.

从甜菜渣脱果胶样品中，利用碱提取法将纤维素和半纤维素分离。

3·Bleaching with sodium hydroxide solution, this liquid besmear in the wood surface, half an hour later, besmear again hydrogen peroxide.

用氢氧化钠溶液漂白时，将该液涂在木材表面，经半小时后，再涂上双氧水。

4·The invention provides a peeling and processing technology for plum, comprising the steps of 1) fully immersing the plum in sodium hydroxide solution;

本发明提供一种梅子去皮及加工工艺，该工艺包括如下步骤：（1）将梅子浸 泡入氢氧化钠溶液中至溶液完全淹没梅子；

5·The high-purity MPC standard sample was obtained by reduced pressure distillation and the removal of minor phenol with dilute sodium hydroxide solution.

反应产物经减压精馏、碱洗、水洗、干燥等精制处理，得到了纯度较高的M PC标准品。

6·To neutralize acidic material from flue gas of regeneration, sodium hydroxide solution is used, and its acidity and alkalinity are regulated by some of ethanolamine.

为中和再生烟气中的酸性物料，需使用氢氧化钠水溶液，调节介质的酸碱度需使用少量的乙醇胺。

7·In the mercerizing process, yarn or cloth is treated under tension at room temperature with a sodium hydroxide solution that may vary in strength from 15 to 30 percent.

丝光过程中，纱线或织物在室温条件下保持一定张力由氢氧化钠溶液处理，溶液的浓度为15% - 30%。

8·The cross section of the fibres changes from kidney shaped to circular. This is because the fibres swell markedly when treated with a concentrated sodium hydroxide solution.

纤维交叉的区域由腰子的形状变成圆形，这是因为纤维在经过浓缩的氢氧化钠的作用下明显地膨胀了。

9·The effects of the concentration of sodium hydroxide solution, immersing temperature and the amount of salt added during distillation on the yield of nicotine were examined.

考察了浸提液的碱浓度、浸提温度和蒸馏加盐量对烟碱提取率的影响。

10·Keratin solution, prepared by dissolving the wool fibers in the sodium hydroxide solution and peroxide solution, was used to threat the cotton fibers oxidised by sodium periodate.

采用氢氧化钠和双氧水溶解羊毛制得可溶性角蛋白溶液，再对经高碘酸钠选择性氧化的棉纤维进行处理。