水、丙烯晴和半乳甘露聚糖胶，同碱金属氢氧化物在一起，加入到反应器中。
Water, acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide.
对低含量水质样品采用了碱金属氢氧化物共沉淀，简化了样品富集程序，提高了测试灵敏度。
The alkali hydroxide co-precipitation for low content water sample is employed to simplify the sample enrichment process and the monitoring sensitivity is improved.
试验证明：碱金属碳酸盐，碱金属氢氧化物和碳酸钠同四氧化三铁的复合剂，都表现出相接近的催化活性。
The test demonstrates that alkali carbonates, alkali hydroxides and a combination of sodium carbonate with ferriferrous oxide all exhibit approximate catalytic activity.
碱：无机化合物，任何碱金属，即锂、钠、钾、铷、铯的可溶氢氧化物。
Alkali: Inorganic compound, any soluble hydroxide -oh. of the alkali metals: lithium, sodium, potassium, rubidium, and cesium.
添加剂中包含碱金属硝酸盐和铝的氢氧化物，且碱金属硝酸盐与铝的氢氧化物质量百分比为1∶0.5 ~ 3。
The additive comprises alkali metal nitrates and hydroxides of aluminum in the mass percent of 1:0.5-3.
添加剂中包含碱金属硝酸盐和铝的氢氧化物，且碱金属硝酸盐与铝的氢氧化物质量百分比为1∶0.5 ~ 3。
The additive comprises alkali metal nitrates and hydroxides of aluminum in the mass percent of 1:0.5-3.
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