氯醛与酒精联合在一起形成的氢氧化物；通常在不知不觉中使饮者丧失意识。
Chloral hydrate in combination with alcohol; usually administered surreptitious ly to make the drinker unconscious.
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。
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%.
采用纤维素与过量的氯乙烷及氢氧化钠反应，以甲苯为稀释剂，用一步法成功地合成了乙基纤维素。
Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用撞击流反应结晶方法，以青海盐湖水氯镁石为原料，制备了高纯纳米氢氧化镁。
High purity nano-sized magnesium hydroxide was prepared by impinging stream reaction crystallization method using bischofite (from Chaerhan salt lake, in Qinghai Province) as raw material.
用碱熔法使海带中的碘以i-形式转移到溶液中，然后在酸性条件下用过氧化氢氧化，三氯甲烷萃取，经分光光度标准曲线法测得海带中碘含量大约为426。
I - was obtained from the kelp by alkali fusion, then oxidized by H2O2 in acidic solution, thus we can determine the iodine content by extraction spectrophotometry, which is about 426.
菸酸与二乙胺、三氯氧磷作用，再经氢氧化钠中和，加入纯碱使反应液中的产品与水分层，取代有机溶剂萃取工艺，简化了操作，降低了消。
Instead of extracted by organic solvents, sodium carbonate was used to separate the product and water, thus the following press was simpler and the cost was lower.
在有氢氧化钙存在时与2倍量的酰氯反应主要得到4 ，5 位酰化产物。
Acyl 5 acyloxypyrazoles were obtained with 2 equivalents of acid chlorides in the present of calcium hydroxide.
以苯酚、三氯氧磷和氢氧化钠为原料合成了磷酸苯二钠。
Disodium phenyl phosphate was synthesized using phenol, phosphorus oxychloride and sodium carbonate as starting materials.
以苯酚、三氯氧磷和氢氧化钠为原料合成了磷酸苯二钠。
Disodium phenyl phosphate was synthesized using phenol, phosphorus oxychloride and sodium carbonate as starting materials.
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