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。
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。
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。
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；
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。
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。
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%。
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。
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。
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。
DBM is white or light yellow crystalline powder, soluble in ether, chloroform, xylene, toluene and sodium hydroxide solution, slightly soluble in ethanol, very slightly soluble in water.
本品为白色或浅黄色结晶粉末，易溶于乙醚，氯仿，二甲苯，甲苯及氢氧化钠水溶液，微溶于乙醇，极微溶于水。
HPMC is prepared when a purified form of cellulose is reacted with sodium hydroxide solution to produce a swollen alkali cellulose that is chemically more reactive than untreated cellulose.
当被净化的纤维素与氢氧化纳溶液反应产生一种膨胀碱性纤维素时，HPMC就产生了，这种纤维素在化学上比没有经过处理的纤维素更易起反应。
The adsorption isotherm of cetane pyridine chloride in sodium hydroxide solution on aluminium surface has been measured by corrosion weight losses and its corrosion inhibition has been investigated.
用失重法研究了氢氧化钠溶液中氯化十六烷基吡啶在铝表面上的吸附及其缓蚀作用。
These carbon suckers would employ fans to move air through a solution of sodium hydroxide, which absorbs the CO2.
这些碳吸收器利用风扇把空气吹过氢氧化钠溶液，吸收CO2。
A solvent flotation-gas chromatography for the determination of sodium stearate in sodium aluminate solution in aluminium hydroxide production by the bayer process was studied.
研究了拜尔法生产氢氧化铝过程中，用溶剂浮选-气相色谱法测定结晶助剂有效成分硬脂酸钠的方法。
Turn the remnant of sodium hydroxide in the tube into water, and you'll find the solution turns red litmus blue.
把管内的氢氧化钠残液倒入水中，你就会发现：溶液会使红色石蕊试纸变蓝。
Sodium hypochlorite solution has been prepared by chlorine and sodium hydroxide, the content of free alkali should be controlled at about 10.8%, and the effective chlorine at about 8.0%.
以氯气和氢氧化钠为原料制备次氯酸钠溶液，控制其中游离碱含量在10.8%左右，有效氯在8.0%左右。
The influences of the factors, such as ethanol solution, sodium hydroxide, propylene oxide, reaction temperature, reaction time on apparent viscosity and water insoluble substance of HPG are studied.
研究了合成过程中乙醇溶液、氢氧化钠、环氧丙烷、反应温度、反应时间等因素对产品表观黏度和水不溶物含量的影响。
Sodium aluminate solution is purified and is seed-precipitated with addition of super-fine alumina with high activity to prepare super-fine and high-purity aluminum hydroxide and alumina.
净化铝酸钠溶液加入自制高活性超细氢氧化铝晶种进行种分分解、制备超微细高纯氢氧化铝和氧化铝。
This material is dissolved in dilute sodium hydroxide to form the viscose solution.
将纤维素黄酸酯溶解在稀释的氢氧化钠溶液中，粘胶溶液便制成了。 收藏。
The ESR spectra of chemical reactions of gentisic acid in sodium alkoxide-alcohol were different from those in sodium hydroxide aqueous solution.
龙胆酸在氢氧化钠水溶液中的反应，不仅有氧化还有取代反应，氧化之后紧接着进行取代反应，本文都给予了解释。
This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, MW-distribution and thin-layer chromatography.
通过对落叶松栲胶进行亚硫酸盐和氢氧化钠的改性，测定其溶液黏度，用不同溶剂进行分级和薄层色谱。
METHODS Oxygen flasr combustion method was used. Hydrogen peroxide solution was used as the absorption liquid and then was titrated by sodium hydroxide.
方法采用氧瓶燃烧法，过氧化氢溶液为吸收液，用氢氧化钠滴定。
And low cyanide solution Lord complexing agent sodium hydroxide, zinc is to Zn (OH) 42-exists in the form.
而低氰镀液主络合剂是氢氧化钠，锌以Zn (OH)42 -形式存在。
The second one, composite inorganic solution, includes sodium tripolyphosphate, sodium silicofluoride, sodium sulphate, sodium hydroxide, calcium stearate and magnesium chloride.
和包括三聚磷酸钠、硅氟化钠、硫酸钠、氢氧化钠、硬脂酸钙和氯化镁的无机组合物的第二溶液。
Processing after wood surface, and scrub with water dilute (such as 1.2% acetic acid or oxalic acid) solution and sodium hydroxide, scrub with water clean again.
处理完后用水擦洗木材表面，并用弱酸(如1.2%的醋酸或草酸)溶液中和氢氧化钠，再用水擦洗干净。
The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.
实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。
The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.
实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。
应用推荐