The Java Island, Indonesia with abundant amount of pyroclastic deposits is located in the very active and dynamic Pacifi......

The effects of Acidithiobacillus ferrooxidans(At. f) mutated with diethyl sulfate(DES) as a mutagen on the bioleaching o......

The processes reported for the preparation of lanthanum hexaboride (LaB6) from lanthanum oxide involve the use of carbon......

A Ni-Zn binary metal coating was electrochemically deposited on a copper electrode that was coated with nickel(bottom la......

High temperature self-propagating synthesis (SHS) process is very rapid, the reaction process becomes un-controlled afte......

A novel highly porous 3-D poly(ε-caprolactone)(PCL) scaffold with micro-channels was fabricated by injection molding an......

Catalytically active, stable, and mechanically durable solid K/Al2O3 catalysts for the transesterifica-tion of rapeseed ......

Chromium acetylacetonate and bis(diphenylphosphino)isopropylamine were coordinated in situ and supported on methylalumin......

Ordered mesoporous carbon supported iron catalysts(Fe/OMC) were prepared by the incipient wetness impregnation method an......

In this study, Raney-Ni/Al_2O_3 catalysts were prepared from precursors which were calcined in different atmosphere(argo......

A new pretreatment method has been developed to improve the catalytic activity of the Ni-Fe-Mo-Co alloy elec- trode for ......

Phosphorite, or guano, or insular phosphorite, commonly containing 10-35% P_2O_5, is one of the sources of phosphatic f......

Fine TiFe series alloy powder was fabricated by magnesothermic reduction of ilmenite as main raw material. Adiabatic tem......

In order to improve the leaching resistance of active ingredient-copper in ammoniacal copper quat-type D (ACQ-D) treated......

MORE than 30 gossan-type gold deposits have beed discovered in the Middle-Lower Yangtze River Area.The profile of gold-b......

RE sulfate solution containing fluorine is obtained from bastnasite which is roasted in air and then leached with sulfur......

In order to discuss the supergene mobility of noble metal elements in black rock series, measurements have been conduct......

The biogeochemical migration of iodine in soil and its effect factors were studied by the isotope tracer (125I) and expe......

The viticulture is a rapidly developing agricultural branch in the Rio Grande do Sul State (southern Brazil). Situated i......

The potentially dangerous chemical compounds and elements, e.g. selenium and arsenic in relatively high concentrations c......

Cs mobility and the alteration and transformation of minerals in Hanford sediments have been studied under conditions si......

Coal combustion can mobilize trace elements by introducing them to terrestrial, aquatic and atmospheric environments, an......

A gold leaching process by using in situ oxidation products of added elemental sulfur in Ca(OH)2 solution was investigat......

Chicken manure was composted for 110 d to evaluate changes in organic carbon (C) and humic substance-complexed copper (H......

The effectiveness of polyolefin-coated urea (Meister-5 and Meister-10; CU) in a wheat (Triticum aestivum L.)-maize (Zea ......

The recovery of Ge from lignite by microorganism includes two stages: (1) the breaking-down of Ge complex of humus in li......

The microstructural variations of hardened cement-fly ash pastes leached by soft water were investigated by MIP, XRD, TG......

Function of canopy in changing nutrient cycle and flux is one of the focuses in recent years. On the basis of comprehens......

The leaching characteristics of a garden soil may be greatly affected by application of poultry and livestock manures fr......

CeB6 powders were prepared by high-temperature self-propagating synthesis(SHS) in which CeO2,B2O3 and Mg were taken asre......

Lead(Pb) contamination has often been recorded in Chinese field soils. In recent years, efforts have been made to invest......

A technology for recovering indium from Jinchuan copper-smelting ash was developed. Indium in the ash was first enriched......

This work investigated the sensitivity toward humidity,NO_2 and H_2 of Zn O modified sepiolite(Si_(12)Mg_8O_(30)(OH)_4.(......

The acid leaching,ferric leaching,and bioleaching of chalcocite and pyrite minerals were conducted in two sets of 3L sti......

Oxalic acid was used for the removal of iron from the intermediates of ilmenite leached by KOH liquor. Various parameter......

Nickel and cobalt were extracted from low-grade nickeliferous laterite ore using a reduction roasting-ammonia leaching m......

The reduction process of manganese dioxide in low-grade manganese ore by biomass roasting was investigated.The calcine o......

The relationship between Pb leaching concentration and the solution’s p H with time was analyzed when cement in its sol......

Using the tomography image, a method to characterize the 3D spatial distributions of increased porosity was proposed, an......

The influence of roasting on the leaching rate and valence of vanadium was evaluated during vanadium extraction from sto......

An iron-silicate slag, from a zinc-copper smelting process, and mixtures of this slag with 5wt%, 10wt%, and 15wt% alumin......

对4株纯的极端嗜热古菌及它们的混合菌在生物浸出黄铜矿过程中的硫氧化活性进行对比研究。结果表明,混合菌比纯菌拥有更高的硫氧化......

Extracting rare earths from bastnaesite concentrate treated by calcification transition was studied through the single f......

Based on weathering characteristics of the fifth palaeosol layer (S5) of four sections in Guanzhong Plain, the thickness......

The chemical weathering intensity and element migration features of the Xiashu loess profile in Zhenjiang are studied in......

PHREEQC is a geochemical model to study aqueous ion reaction equilibrium in water systems. In this paper, PHREEQC was us......

用室内模拟淋洗土柱的方法 ,对棕壤和褐土的酸淋容特征进行了研究。结果表明 ,p H低的酸雨使棕壤严重酸化且有活性铝测出 ,但对褐......

Well-crystallized zeolite beta was synthesized by using acid-leached metakaolin as the silica-alumina source and tetraet......

Soils from urban and suburban areas are normally enriched with phosphorus (P). Sixteen urban soils with a wide range of ......

Weathered clastic crust can be subdivided into weathered clay and leached zone in terms of variable weathering of differ......