在轧-蒸减量过程中，烧碱的反应效率是一个随多因素变化的变量。
It is considered that the reaction efficiency of caustic soda is a variable which varies with many factors during this process.
着重介绍了浸没燃烧蒸发生产42%烧碱的方法以及所取得的经济效益。
The article mainly introduces the production method of 42% chlorid-alkali by submerged combustion evaporation and the effect won.
综述了国内外以芒硝为原料制备纯碱、烧碱的各种方法及工艺，并对它们的优、缺点进行了评述。
The different method and technology for preparation of alkali from Glauber's salt at home and abroad are reviewed.
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