共搜索到1039条信息,每页显示10条信息,共104页。用时:0小时0分1秒173毫秒
mineral composition (mass fraction) measured by the X-ray diffraction technique was 65.68% quartz, 21.35% feldspar, 4.58% montmorillonite, 3.67% muscovite, and 4.72% chlorite. The microscopic studies......
), potassium (K), magnesium (Mg), and iron (Fe) content, of sludge from the WWPT were determined using standard analytical methods [32,33]. All the values obtained for these physicochemical properties......
, HUPA M, KAJOLINNA T, VESALA H. The fate of chlorine, sulfur, and potassium during co-combustion of bark, sludge, and solid recovered fuel in an industrial scale BFB boiler [J]. Fuel Processing Technology......
machine. The polished specimens were etched with a colour etchant containing 1 g of sodium hydroxide (NaOH) and 4 g of potassium permanganate (KMnO4) in 100 mL distilled water for metallographic study......
was higher in sodium than in potassium liquors. In these experiments, the presence of chromate in the solution was the only difference among solutions. For some yet unknown reason, the induction period......
. Effect of metal oxide catalysts on thermal decomposition of potassium bromate [J]. Thermal Analysis and Calorimetry, 1978, 14: 271-279. [51] VYAZOVKIN S, WIGHT C A. Kinetics in solids [J]. Annual Review......
with strong migmatization; 3-Quartz porphyry; 4-Granite aplite; 5-Diabase; 6-Coarse potassium graphic granite; 7-Fault; 8-Speculated fault;9-Geological boundary 石英脉阶段(A).成矿热液活动的开始.热液蚀变主要以硅化为主,形成纯白色致密块状的石......
% V 2O5 and 0.38% Cr2O3) and potassium hydroxide solution, the mixture of the reactants was heated under stirring speed of 375 r/min. As reported in our previous work [38], the decomposition conditions......
not support the findings of van HERCK and VANDECASTEELE [18], because they contained only silicate minerals such as silicon oxide (quartz; SiO2), potassium aluminium silicate (microcline; KAlSi3O8......
. [13] MELLGREN O. Heat of adsorption and surface reactions of potassium ethyl xanthate on galena [J]. Transactions Society of Mining Engineers, 1966, 235: 46-59. [14] HAUNG H H, MILLER J D. Kinetics......