1·Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid , Yean , ammonia water.
生产: 单体硼, 氮化硼, 硼酐, 无水硼砂; 盐酸,液氨, 氨水。
2·Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid, Yean, ammonia water.
生产:单体硼,氮化硼,硼酐,无水硼砂;盐酸,液氨,氨水。
3·The influences of dosing medicaments, such as brine, ammonia water, chlorine and chloramines, on microorganisms of activated carbon were investigated by means of biomass and OUR.
从对生物量和微生物耗氧速率的影响方面,考察了盐水、氨水、氯和氯胺等四种除蚤剂对活性炭上微生物的影响。
4·Introduce the dilute ammonia water concentration and energy-saving technology, which can solve a difficult problem in small-scale fertilizer plants.
介绍了稀氨水提浓节能技术,节能与环保并举,为小化肥生产解决了一道难题。
5·This Paper studies the reaction conditions of the Barium Sulphate and EDTA in ammonia water solution and proposes to use EDTA titration to determine sulphuric acid in Trinitro-resorcinol.
本文研究了硫酸钡在氨水溶液中与EDTA的反应条件,提出用EDTA滴定法测定三硝基间苯二酚中的硫酸。