Effects of burningon the chemical properties of soil in protective ground;

灼烧对保护地土壤化学性质的影响

The technology of sedimentation and burningfor scandium was studied.

作者详尽讨论了萃取剂浓度、料液浓度、酸度及相比等因素对Ｓｃ萃取率影响以及料液酸度、Ｐ３５０浓度对Ｓｃ与３１种杂质元素分离效果的影响，探索了Ｓｃ的沉淀工艺和灼烧工艺。

Ultrafine Bi 2O 3 powder was prepared by weak base hydroxylation burn method.

采用弱碱液相沉淀－灼烧法制备了超细氧化铋粉末，该法具有流程简单、引入杂质少、灼烧温度低、产品纯度高（９９。

For recovering divanadium pentoxide from waste vanadium catalyst,a comprehensive processing including ammonium bicarbonate leaching and burning is adopted.

研究综合处理废钒氧化剂的ＮＨ４ＨＣＯ３浸出、灼烧法，及回收Ｖ２Ｏ５获得宝贵的钒资源的生产工艺。

With pretreatment by combustionmethod, the nickel amount supported in carbon steel nanotube is determined by dimethylglyoxime weight method and accurate and stable analysis results are obtained.

采用灼烧法预处理、丁二酮肟重量分析法来测定载镍碳纳米管的载镍量 ,获得稳定而准确的分析结果。

After different sediments ignitions, Smax was 1.

不同底泥灼烧后,最大吸附量为天然底泥的1。