The phytoremediation of industrial crops is becoming popular for the revitalization land contaminated by trace elements (TEs). This approach combines biomass production with improvement soil health. To implement and derive sufficient dry biomass, crop must be adequately supported agricultural practices, including application bioinoculants. current study aims to test influence several plant growth-promoting bacteria (PGPB), isolated from TEs-contaminated soil—i.e., Stenotrophomonas...

Nowadays, the most common ways to dispose of acid tars and paper production waste are burial or incineration, but it is ecologically economically expedient use such in building materials. A new variant filler aggregate—wastepaper sludge ash (paper waste) a chemical activator for aggregates—acid tar (oil-refining industry proposed. Elemental mineralogical compositions wastepaper comparison with commodity limestone mineral powder established. Chemical activation was carried out wetting...

For effective waste management of mining industries is important to investigate their physical and mineralogical changes. this purpose, X-raydiffraction (XRD), thermogravimetry (TG), derivative (DTG), differential thermal analysis (DTA) methods were used. Changes in the contents mobile forms heavy metals rocks investigated using an acetate-ammonium buffer solution with a pH 4.8 after burning at temperature 800–850°C. The obtained data indicated significant role mineral composition behavior...

The impact of the plant growth regulators (PGRs) Stimpo, Regoplant, and Charkor on production second-generation energy crop Miscanthus × giganteus marginal post-military soil was investigated during two vegetation seasons. land, previously a tank training polygon, has not been in use since 1990 become marginal. Biological parameters (stem, shoot, root lengths) dry biomass values were evaluated relation to applied treatments. multivariate general linear model (M-GLM) results showed positive...

Calcium dialuminate, CaAl4O7, nanopowders with a grossite-type structure, doped chromium ions, were synthesized via the combined sol–gel solution combustion method. The evolution of phase composition, crystal and microstructural parameters nanocrystalline materials depending on temperature thermal treatment was investigated X-ray powder diffraction applying Rietveld refinement technique. photoluminescent properties CaAl4O7 nanophosphors activated Cr3+ ions studied over range 4.5–325 K....

1 Mercury selenide (HgSe) films were obtained on glass substrates via the chemical deposition method.The aqueous solutions of mercurium(II) nitrate, potassium iodide and sodium selenosulfate used.Film samples at two temperatures synthesis analyzed by X-ray structural analysis.The effect duration optical morphological properties HgSe was investigated.The mechanism discussed.

The scheme of the integrated regeneration method for used mineral motor oils (UMMO) has been developed, according to which M-10DM and NORMAL 15W40 were regenerated. A study on changes in physico-chemical properties, qualitative elemental composition was carried out, a mathematical model process built. further applications obtained products proposed. Based results, technological flow chart UMMO material balance calculated.

The 1-5-layer mercury sulfide (HgS) films were obtained on glass substrates by a chemical bath deposition method.The aqueous solutions of (II) nitrate, thiourea and trisodium citrate used to prepare working solutions.The theoretical boundary conditions forming water-insoluble oxide in the mercury-thiourea-citrate system considered.The phase composition, surface morphology optical properties HgS investigated.According X-ray analysis, film samples deposited 1-5 layers single consisted compound...

The mercury sulfide (HgS) films were obtained on glass substrates via the chemical deposition method. aqueous solutions of mercury(II) nitrate, thiourea and trisodium citrate used. X-ray elemental analysis film sample made. effect concentrations initial reagents, duration temperature mass HgS coatings was investigated their thickness calculated. optical morphological properties coating examined. Keywords : sulfide, thin films, deposition, properties.

The mercury selenide (HgSe) films were obtained on glass substrates via the chemical deposition method.The aqueous solutions of mercury(II) nitrate, sodium thiosulfate, selenosulfate and tri-sodium citrate used.X-ray elemental analysis film sample made.The effect initial reagents concentration, synthesis duration temperature mass HgSe was investigated coatings thickness calculated.The optical morphological properties examined.The mechanism is discussed.

Solid solution films of mercury sulfide-selenide (HgS1 -xSex) were synthesized on glass substrates by the hydrochemical deposition method.Aqueous solutions (II) nitrate, thiourea, sodium selenosulfate and trisodium citrate used.Theoretical calculations boundary conditions for formation sulfide, selenide oxide made in mercury-thiourea-citrate system.According to performed X-ray elemental analysis, obtained film samples are single phase consist HgS1 -xSex substitutional solid solutions.The...

The scientific direction of the synthesis CdS and CdSe thin films by method chemical surface deposition (CSD) using aqueous solutions cadmium-containing salts: chloride, nitrate, sulphate, acetate iodide has been developed. A mathematical model CSD process was developed to improve efficiency experiments reduce costs. makes it possible determine concentration reagents, duration, temperature, which are necessary obtain a specified thickness. optimization parameters filmtype semiconductor...

An effect of alloying the monoclinic beta- Ga2O3 with Al2O3 and In2O3 on photoluminescent, thermoluminescent persistent luminescent properties Cr3+ ions has been comprehensively investigated. For this purpose, various series Ca2+ co-doped microcrystalline phosphors were synthesized by solution combustion method, including pseudobinary compounds like (Ga-Al)2O3 up to 20% Al (Ga-In)2O3 50% In as well pseudoternary (Ga In)2O3 balanced proportion Al, Ga In. The phase composition crystal...

Solid solutions films of mercury sulfide-selenide (HgS1–xSex) were synthesized on glass substrates by the chemical bath deposition method. Theoretical calculations boundary conditions for HgS and HgSe formation in mercury-tartrate-thiourea-selenosulfate system made. The HgS1–xSex defined overlap area between constructed zones. X-ray diffraction elemental analysis showed that obtained are single-phase consist substitutional solid zincblende modification. effect Na2SeSO3 concentration degree...

Based on thermodynamic constants, the concentration limits of initial zinc-containing salt and range pH values at which depositions ZnS ZnSe without Zn(OH)2 are possible were calculated. The boundary conditions formation ZnSxSe1–x solid solution in hydroxide-hydrazine-thiourea-selenium system defined by overlap area between constructed zones. task complex intermolecular interaction complexed zinc ions two chalcogenizers working was solved basis mathematical calculations. A sample film...

ZnS andHgS thin films and ZnS/HgS HgS/ZnS composites based on these were prepared by the chemical bath deposition method.Optical transmission spectra, absorption surface morphology, phase composition studied.Semiconductor / Chemical Structure morphology of Optical spectroscopy Solar cells

The main aspects of mercury sulfide and selenide thin film synthesis using the chemical deposition method are considered. An analysis various factors affecting properties was conducted, including study how nature substrate its pre-treatment influence properties. effects working solution's temperature, time, annealing conditions on characteristics were investigated. impact these parameters phase composition, as well optical, electrical, morphological films, is discussed summarized....