CO2 + O2 is a relatively mature, neutral, in situ leaching process that has been widely used. However, the decrease uranium concentration solution during production become serious problem western section of south ore belt Shihongtan deposit Xinjiang, China. In order to solve this problem, mineralogy and batch tests were carried out explore reason for low resource efficiency determine better par...

gomish-tappeh zn-pb-cu (ag) deposit is located 90 km southwest of zanjan, in northwestern part of urumieh-dokhtar volcano-plutonic zone. exposed rocks at the area include oligo-miocene volcano-sedimentary and sedimentary sequences as well as pliocene volcano-plutonic sequence (andesite porphyry dykes, dacitic subvolcanic dome and rhyodacitic volcanics). alteration in the deposit developed as si...

In this paper, we study linear control systems over Ore algebras. Within this mathematical framework, we can simultaneously deal with different classes of linear control systems such as time-varying ordinary differential systems, differential time-delay systems, partial differential equations, multidimensional discrete systems, etc. We give effective algorithms which check whether or not a line...

Development and implementation of large-scale industrial projects in complex eco-epidemiological settings typically require combined environmental, social and health impact assessments. We present a generic, spatio-temporal health impact assessment (HIA) visualization, which can be readily adapted to specific projects and key stakeholders, including poorly literate communities that might be aff...

Herein a big Fe-C-Ca cycle, clarifying the basic element flows and energy flows in modern carbon-intensive industries including the metallurgical industry and the cement industry, was proposed for the first time in the contexts of emission reduction and iron ore degradation nowadays. This big cycle was focused on three industrial elements of Fe, C and Ca and thus it mainly comprised three inter...

Based on our previous finding that a chromatography with titanium beads selectively binds phosphoproteins, including caseins, phosvitin and dentin phosphoproteins, we investigated whether bone phosphoproteins also bind to titanium. Bovine bone matrix proteins were extracted with 2 M urea/PBS after demineralization. The 2 M urea extract was directly applied to the titanium chromatography column ...

Corrosion of titanium heat exchangers in the processing sylvinite ore is undesirable from economic, safety, and process sustainability perspectives. Triggered by an industrial case, we investigated extent corrosion during simulated contact with (in dissolving lye) relevant conditions. Detailed characterization failed tubes products was carried out to understand mechanism failure. (Grade 2) at r...

The specific hydrogeoecological conditions of aquifers some technogenic formations, mainly iron ore skarn-magnetite and titanium-magnetite are considered. resulting wastes, which stored in waste disposal sites during development deposits, due to the impact a number factors (natural technogenic) form waters. Waste facilities complex engineering structures (dumps sludge storages), turn create the...

Absorbance is often used for simulations or validation of process parameters powder-based laser materials processing. In this work, the absorbance 39 metal powders additive manufacturing determined at 20 wavelengths. Different grain sizes and aging states for: steels, aluminum alloys, titanium Nitinol, high entropy alloy, chromium, copper, brass iron ore were analyzed. For purpose, spectrum was...