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- amount of sodium hydroxide 氢氧化钠含量
- the yield of the product is 72.0% under the reaction condition of the suitable amount of phosphate of 8g in 50mL absolute ethyl alcohol and the theoretical amount of sodium hydroxide, which is lower than the above evidently. 50mL无水乙醇中适宜的磷酸酯投入量为8g;氢氧化钠投入理论量;以磷酸酯计钠盐收率为72.;0%25;显著低于以95%25乙醇作溶剂的情况。
- The main goal of recovery of sodium hydroxide was the economies due to the high replacement cost of this chemical. 回收氢氧化纳的主要目的是在经济方面，因为它大大补偿了化学药剂消耗费用。
- The new one - step synthetic process of sodium diacetate from acetic acid and sodium hydroxide was introduced . 介绍了醋酸-苛性钠一步合成双乙酸钠的新工艺,并对其进行了技术经济分析评价。
- Methods Chitosan was modified with bromo-isobutan and chloroacetic respectively in the presence of sodium hydroxide. 方法在碱性条件下,分别用溴代异丁烷和氯乙酸对壳聚糖进行化学修饰;
- The paper discussed a possibility of sodium hydroxide hydrolysis corn straw as briquette binder. 探讨了以氢氧化钠水解玉米秸作为型煤黏结剂的可能性。
- This article states the reaction kinetics of sodium hydroxide with silicon and alumina in the kaolinite and form sil... 本文重点研究氢氧化钠与高岭土作用的硅、铝溶蚀规律和硅、铝垢的生成规律。
- An additional benefit resulting out of sodium hydroxide recovery is the decrease in consumption of alum at the treatment plant. 回收氢氧化钠的另一好处，是降低了处理厂的铝盐消耗量。
- Cotton cloth is generally scoured with a delute solution of sodium hydroxide (lto 3 percent, based on the weight of the cloth). 棉织物一般在浓度较低的氢氧化钠溶液中煮练(浓度为1%25-3%25,浓度的大小取决于织物的重量)。
- This modest amount of sodium bicarbonate prevents the potassium depletion and demineralization of bone. 这点碳酸氢钠量即可防止缺钾和骨质脱钙。
- In aqueous ethanolic solution of sodium polysulfide and sodium hydroxide, p-nitrotoluene isconverted to p-amino-benzaldehyde. 对硝基甲苯与多硫化钠在乙醇-水溶液中加热,可以生成对氨基苯甲醛,这是目前工业上合成对氨基苯甲醛的最佳途径。
- Equal amount of sodium bicarbonate should be administered to alkalize urine in order to excrete the medicine. 使用时应同时给予等量碳酸氢钠碱化尿液，以利药物排出。
- It is necessary to gurantee defenite concentration of sodium hydroxide and sodium hydrosulfite for enhancing coloring quality in colorating. 用还原染料靛蓝染色时，为提高染色质量，需保证一定的火碱浓度和保险粉浓度。
- The sodium carbonate solution was used instead of sodium hydroxide s methanol solution in the step of selective hydrolysis. 水解时用碳酸钠溶液代替氢氧化钠甲醇溶液,提高反应的选择性。
- He has a large amount of mail to answer every day. 他每天有大量的信件要回复。
- This article states the reaction kinetics of sodium hydroxide with silicon and alumina in the kaolinite and form silica-alumina scale. 本文重点研究氢氧化钠与高岭土作用的硅、铝溶蚀规律和硅、铝垢的生成规律。
- The filtrates were treated with a solution of 3.0 grams of sodium iodide in a small amount of water. 滤液用少量水中溶有3克碘化钠的溶液处理。
- The reinforcement of EVA by the sodium methacrylate prepared in situ from the neutral reaction of sodium hydroxide with MAA was investigated. 对氢氧化钠和甲基丙烯酸(MAA)发生中和反应原位生成甲基丙烯酸钠补强乙烯乙酸乙烯酯橡胶(EVA)进行了研究。
- It analyzes the forms of fiber of Zhonglin Aspens No.46 and gives a contrast of properties of sodium hydroxide sulfite pulp and KP pulp. 本文对两年生中林杨-46的化学成分及纤维形态进行了剖析,并对该原料采用烧碱亚硫酸盐法及硫酸盐法蒸煮及其漂白性能进行了对比研究。
- The carpet will stand any amount of wear. 这地毯极其耐用。
