Er 3+是什么意思

用法例句

Development trend of Yunnan province's sulphuric acid and phosphorous fertilizer industries;

云南省硫酸磷肥工业的发展方向

Application of sulphuric acid in dewatering process of bauxite positive flotation concentrate;

硫酸在铝土矿正浮选精矿脱水工艺中应用的技术经济效果

Analysis of China's sulphuric acid production in 2006;

2006年我国硫酸生产情况

The as-calcined TiO2 nanometer thin film was treated in different H2SO4 aqueous solution for 24 h.

用溶胶-凝胶法制备均匀透明的TiO2薄膜,在400℃锻烧2h,再在一定浓度的硫酸中浸泡处理24h,最后在300℃、400℃、500℃进行第二次热处理0。

Our results suggest that pretreatment by H2SO4 removes 91.

研究结果表明,硫酸预处理的最优条件为:温度120℃,时间2h,硫酸浓度1%,粒度20-40目,液固比8:1,其中温度是最主要的影响因素。

Study on corrosion inhibition of naphthenic imidazoline derivative in H_2SO_4 solution;

环烷基咪唑啉衍生物在硫酸介质中的缓蚀性能研究

On Tech-Economics of Jointly Producing Cement and H_2SO_4 by Phos-gypsum;

磷石膏制硫酸联产水泥的技术经济问题

DETERMINATION OF URANIUM IN ORE WITH VOLUMETRY OF H_2SO_4-TiCl_3-NH_4VO_3;

硫酸-亚钛-钒酸铵容量法测定矿石中铀

Regeneration of the Cation Exchange Resin with Vitriol;

阳离子交换树脂的硫酸再生

The design and application of operation stove in producing the vitriol are introduced.

介绍燃油开工炉在有色金属冶炼厂硫酸生产中的设计与应用情况,设计采用的燃油开工炉结构紧凑,操作方便,整体强度好,热利用率高。

The dissolving behavior of iron in bauxite tails in vitriol solution was studied.

结果表明,在一定的温度下,铝土矿中的赤褐铁矿能较好地溶于硫酸溶液中,而铝土矿中矿物等的性质不发生变化,这为铝土矿尾矿的进一步加工利用提供了条件。

Study on reaction between ammonium chloride and sulfuric acid to produce ammonium sulfates and hydrogen chloride;

氯化铵与硫酸反应制备硫酸铵盐和氯化氢

Corrosion behavior of 15CrMoR steel with different microstructure in sulfuric acid medium;

15CrMoR钢的不同组织在硫酸介质中的腐蚀特性

Experiment study on the production of sulfuric acid integrated with cement by new reducing agent from phosphogypsum raw material;

磷石膏生产硫酸联产水泥用新型还原剂的实验研究