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Trans. Nonferrous Met. Soc. China 25(2015) 615-621 Role of hydrazine and hydrogen peroxide in aluminium hydroxide precipitation from sodium aluminate solution N. K. SAHU1, C. K. SARANGI2, B. DASH2, B... 6150, Australia Received 25 March 2014; accepted 2 September 2014 Abstract: Aluminium hydroxide precipitation from synthetic sodium aluminate solution was studied in the presence of hydrazine......
in key technologies of location prediction about deep concealed ore bodies of mine PENG Sheng-lin1, 2, FAN Jun-chang1, 2, 3, SHAO Yong-jun1, 2, MAO Xian-cheng1, 2, LAI Jian-qing1, 2, CHEN Jin1... University of Forestry and Technology, Changsha 410004, China) Abstract: Aiming at the difficult problem of key techniques for large-scale location prediction about deep concealed ore bodies of mine......
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中碳铌微合金钢的应变诱导析出行为赵英利1,2,时捷2,刘苏2,谢刚-1(1.云南省昆明市昆明理工大学材料与冶金工程学院2.北京市钢铁研究总院结构材料研究所)摘 要:通过应力松弛法验证了修正后的DS析出模型,得到了中碳铌微合金钢的应变诱导析出规律,结果表明:修改后的DS模型由于考虑了Si,Mn元素对碳氮化物应变诱导析出的影响,得到的PTT曲线与试验测得的曲线基本吻合,可用于Si,Mn含量较高的铌微合金钢应变诱导析出行为的预测;对于本试验用钢,PTT曲线具有典型的"C"型特征,鼻子温度在900℃左右,并且,随着应变......
infrared thermometry is determined by visualization grid method and interpolation method, the relationship between the infrared imager and geometry information is established. The geometry location can be measured exactly. Key words: sulfide ores; spontaneous combustion; prediction; infrared thermography; influent factors; regression equations; geometry location 1 Introduction The spontaneous......
J. Cent. South Univ. (2020) 27: 3320-3333 DOI: https://doi.org/10.1007/s11771-020-4549-x Field trial on use of soybean crude extract for carbonate precipitation and wind erosion control of sandy... and semi-arid areas. The objective of this study was to evaluate the potential of soybeans crude extract induced calcium carbonate precipitation (SICP) on reducing wind erosion risk of sandy soil. Field......
] YANG Tian-zu, LAI Qiong-lin, TANG Jian-jun, CHU Guang. Precipitation of antimony from the solution of sodium thioantimonite by air oxidation in the presence of catalytic agents[J]. Journal of Central... the sodium pyroantimonate product, the precipitation ratio of antimony can reach 99.80%. And the reaction time of pressure oxidation is greatly reduced compared to that by air oxidation method. Secondly......
distribution dynamic model of gibbsite precipitation process during alumina production ZHANG Jia-yuan1, LI Yong-qing2, FU Ming-hui1, LIU Bin1 (1. School of Energy Science and Engineering, Central... and numerical simulation of the precipitation were synchronously applied. Based on the dynamics law and population balance, with the full characteristics of the particle size variation of the MSMPR gibbsite......
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