organic sulfur
Enzymatic Hydrolysis of an Organic Sulfur Compound
... from organic sulfur ...of organic ester-sulfates in soils [15] ...soil organic C content and suggested that organic matter plays a vital role in protecting soil ...soil organic ...
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Organic sulfur zinc hybrid nanoparticle for optical applications synthesized via polycondensation of trithiol and Zn(OAc)2
... density originating from the long Zn-O bonds by the ionic character. Typical lengths of Zn-O bonds in zinc carboxyl- ates are 2.0 Å [32-34] and those of the Zn-S bonds in zinc thiolates are 2.2 to 2.3 Å [24-27]. The bond ...
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Phase Equilibria for Separation of Organic Sulfur Compounds for Cleaner Fuels
... the organic sulfur compound behavior in hydrocarbons even though its application is limited due to the availability of the functional group interaction ...
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A mechanism for bacterial transformation of dimethylsulfide to dimethylsulfoxide : a missing link in the marine organic sulfur cycle
... (Watts, 2000). DMS production occurs through transformation of the multi- functional metabolite dimethylsulfoniopropionate (DMSP) by a variety of algal and bacterial lyases (Curson et al., 2011; Todd et al., 2012). ...
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Effects of thiosulfonates on the lipid composition of rat tissues
... N owadays the urgent problem of the mo dern pharmaceutical chemistry is the search for biologically active substances with a wide range of biological effects, which can become the basis for the development of new ...
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Sulfur Removal from Iraqi Kerosene by Oxidative Desulfurization Using Cobalt Molybdate-Graphene Composite
... The organic sulfur- containing compounds in fuels produce toxic sulfur oxide gases by the combustion, which can cause adverse effects on the environment (Lei, et ...of sulfur compounds have ...
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Organic Matter Sulfurization in the Modern Ocean
... outcompetes organic functional groups for sulfide, leading to earlier pyritization and later organic matter ...and organic sulfur appear to form concurrently ...
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Calcium ameliorates the toxicity of sulfate salinity in Brassica rapa
... In addition, the relative expression of the vacuolar sulfate trans- porters Sultr4;1 and 4;2 was increased by sulfate salts (Fig. 6), in- dicating an increased capacity for e ffl ux of sulfate from the vacuole into the ...
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Process for producing low ash, low sulfur coal
... Pyritic sulfur, organic sulfur, and ash-forming minerals are removed from coal by a 2-stage alkaline treatment, using sodium carbonate or bicarbonate as the ...
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Analysis on influencing factors during coal desulfurization with microwave
... The content of total sulfur in the desulfurated clean coal falls to around 0.80%, the content of organic sulfur in the clean coal is around 0.40%, and the content of the pyritic sulphur falls to ...
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Estimation of hardgrove grindability index (HGI) based on the coal chemical properties using artifical neural networks
... In this study, linear multivariable regression and artificial neural network approaches were employed to predict HGI. Input parameters are moisture, volatile matter (dry), fixed carbon (dry), ash (dry), total ...
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Trace elements and minerals in fumarolic sulfur: the case of Ebeko Volcano, Kuriles
... Native sulfur deposits on fumarolic fields at Ebeko volcano (Northern Kuriles, Russia) are enriched in chalcophile elements (As- Sb-Se-Te-Hg-Cu) and contain rare heavy metal sulfides (Ag 2 S, HgS, and CuS), native ...
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Reducing Viscosity of Ultra Low Sulfur Diesel with Electric Field
... nanoscale sulfur particles of high sulfur diesel and low sulfur diesel, the required electric field is much ...the sulfur particles, they are much easier to be kicked out from aggregated ...
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Low Temperature Green Synthesis of Sulfur-Nitrogen Co- Doped Graphene as Efficient Metal-Free Catalysts for Oxygen Reduction Reaction
... nitrogen, sulfur, phosphorus, boron or selenium atoms have been identified as the most popular choice, as a result of its excellent electrocatalytic performance and relatively low costs ...carbons, sulfur ...
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Quantitative determination of elemental sulfur at the arsenopyrite surface after oxidation by ferric iron: mechanistic implications
... The sulfuric acid system is perhaps a more interesting case because it is applicable to natural systems where the oxidation of sulfide minerals leads to sulfate production. From a practical standpoint, however, ...
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Hollow NiCo2O4 Nanofibers Prepared by Electrospinning as an Effective Sulfur Host for High-Performance Lithium-Sulfur Batteries
... effect of the polysulfide from the cathode to the anode. In fact, the electrochemical performance became bad with the increase of the sulfur loading in the lithium-sulfur battery. The great amount ...
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Sulfur fractions in particle size separates as influenced by long term application of mineral and organic fertilizers
... of organic mat- ter in the formation of soil aggregates, we found a significant relationship (r = ...of organic residues to the soils with organic fertilizers as compared to mineral fertilizer (Yang ...
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Assesment of sulfur containing air pollutants in utilizing the sulfur extended asphalt concrete mixes in Saudi Arabia
... that sulfur imparts to SEA when S/A (sulfur/asphalt) ratios are higher than ...with sulfur additions below 20% by weight of the asphalt are the most simple to ...the sulfur is readily ...
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The effect of different sulfur doses and forms on changes of soil heavy metals
... The concentrations of soluble forms of heavy metals in soil are mostly determined by their total content and soil processes. Soil organic matter and pH are the key factors affecting the content and mobility of ...
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Investigation of NMR Parameters of para-Sulfonato-calix[4]arene by HF Calculation
... and sulfur atoms as active sites of an organic ...to sulfur atoms but the total charge decrease for them; that is because of conjugated bonds and aromaticity of the Sulfur bonds configuration ...
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