based on the composition of iso-butyl acetate by using sodium dihydrogen phosphate as catalyst, acetic acid and 2-butanol as raw materials, the optimum conditions were determined.
研究了以磷酸二氢钠为催化剂,冰乙酸和异丁醇为原料合成乙酸异丁酯,确定了酯化反应最佳条件。
it was not appropriate for sodium sulfate, sodium chloride, sodium dihydrogen phosphate and disodium tetraborate decahydrate to be used as detergent builder.
硫酸钠、氯化钠、磷酸二氢钠和十水四硼酸二钠不适合用作洗涤剂的助洗剂。
and by using sodium dihydrogen phosphate as model, the influences of the electrolytes upon the behaviors of phosphorylated starch-pva1799 and phosphorylated starch-pva1788 blends were also evaluated.
还以磷酸二氢钠为例,研究了它对磷酸酯淀粉与pva1799及pva1788混合浆性能的影响。
to study the anti-bacteria effects of azithromycin sodium dihydrogen phosphate on common clinical pathogens in vitro and compare it with azithromycin.