烧碱的英文：
sodium hydrate (hydroxide)
caustic soda

sodium是什么意思：
n. 钠

Sodium and water react together.
钠和水能起反应。

Sodium and sulphur are highly corrosive.
钠和硫磺腐蚀性很强。

Salt decomposes into sodium and chlorine.
盐分解成钠和氯。

hydrate是什么意思：
n. 水合物，水化合物，氢氧化物
v. 使成水化合物

How to beat jetlag: Eat moderately and stay hydrated.
如何克服时差：适度饮食，保持体内水分。

The mixture is allowed to hydrate for approximately 3 minutes
混合物进行水合反应约3分钟。

The mixture is allowed to hydrate for approximately 3 minutes.
混合物进行水合反应约3分钟。

hydroxide是什么意思：
n. 氢氧化物

Analytical technique in synthesize of high purity magnesium hydroxide：
高纯氢氧化镁合成中的分析技术

It is possible to produce high purity magnesium by treating the solution with sodium hydroxide solution.
由氢氧化钠和氯化镁反应经水热法制得的高纯(＞99%)氢氧化镁是镁资源利用的一条可行之路。

Iron and aluminum hydroxides are present in soils in both crystalline and amorphous forms
土壤中出现有结晶和非结晶形式的铁和铝的氢氧化物。