[PDF] Top 20 Selenium and sulfur in silicate melts
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Selenium and sulfur in silicate melts
... Se Kedge x-ray absorption near edge structure XANES spectra of the glasses and a suite of model compounds were collected and compared to determine the speciation of selenium in the glass[r] ... See full document
325
Computerized modeling of vitamin d2 containing sulfur, selenium or tellurium in oxygen site
... The investigations using the molecular mechanics technique with good approximation confirmed structural X-ray data for vitamin D2. The calculation of bond lengths and bond angles provided new structural information for ... See full document
5
Influence of sulfur deficiency on the expression of specific sulfate transporters and the distribution of sulfur, selenium and molybdenum in wheat
... between sulfur (S) nutritional status and sulfate transporter expression in field-grown wheat (Triticum aestivum) were investigated using Broadbalk +S and 2S treatments (S fertilizer withheld) at Rothamsted, ... See full document
11
Hypervalent adducts of chalcogen containing peri substituted naphthalenes; reactions of sulfur, selenium, and tellurium with dihalogens
... perpendicular to the naphthyl plane and one aligning with the plane („AB-type‟, Figure 1). 57,64,65 Displacement of the peri- atoms from the naphthalene mean plane in 4 is comparable to D2 [ca. 0.3-0.5 Å] 57 and reveals ... See full document
44
Simulation Mechanical Properties of Lead Sulfur Selenium under Pressure
... Figure 3 shows elastic modulus of PbS0.5Se0.5 alloys under different pressure, S is the shear modulus, and Y is the Young’s modulus, Parameter Y smaller decrease with pressure and S is t[r] ... See full document
6
Absorption of Excess Selenium and Sulfur by Plants and Animals
... Some plants can accumulate Se in excess of 25 mg Se/kg when grown on highly seleniferous soils and if consumed by animals would result in acute selenosis of those animals.. The actual le[r] ... See full document
10
Extraordinarily high leaf selenium to sulfur ratios define ‘se accumulator’ plants
... Phylogenetic classification, durations of growth in hydroponics prior to harvest, dry weights DW of leaf tissue at harvest, dry weight / fresh weight DW/FW quotients of harvested leaves,[r] ... See full document
29
X ray crystallographic studies of sulfur/selenium heteroatom compounds
... [1] There are five main stages in X-ray crystal structure analysis: crystal growth, crystal choice and mounting, data collection, structural solution and crystal refinement.. In the foll[r] ... See full document
227
Infrared transmitting glasses with high glass transition temperatures
... A chalcogenide glass capable of infrared transmission which is either sulfur, selenium or tellurium based and consists of compositions of the formula MX+M.sub.2 'X.sub.3 +SiX.sub.2, wherein M is one of the ... See full document
6
Poller, Maximilian J. (2019): Synthesis and investigation of new phosphorus-chalcogen cations. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... with sulfur, both derivatives ...of sulfur in dichloromethane (compared to selenium in dichloromethane) leads to a higher reactivity which is in turn responsible for the more diverse product ... See full document
140
Chloro(η6 p cymene)(diethyldithiocarbamato κ2S,S)ruthenium(II)
... homogenous catalysts (Lavastre & Dixneuf, 1995), the [(arene)Ru] species may act as an effective mode to be used to expand its reactivity and catalytic property (Pearson et al. , 1996). In our research to prepare the ... See full document
10
Effect of ZrO2 Addition to the CaO SiO2 MgO CaF2 Slags on the Sulfur Removal from the 16Cr 14Ni Stainless Steel Melts
... The calculated phase equilibria, that is the mass fractions of each mineral and liquid phase are shown in Fig. 5 as a function of the Z =ðZ þ MÞ ratio in the slags. The relative fraction of liquid slag increases up to ... See full document
6
Effect of selenium and nano-selenium on cisplatin-induced nephrotoxicity in albino rats
... 14]. Selenium is a trace element that is highly used as ...of selenium against the cispla- tin renal damage was demonstrated within a single ...of selenium or nano-selenium with cisplatin ... See full document
10
Giordano, Daniele (2002): Experimental Determinations and Modelling of the Viscosity of Multicomponent Natural Silicate Melts: Volcanological Implications. Dissertation, LMU München: Fakultät für Geowissenschaften
... The combination of calorimetric and viscometric data has enabled a simple expression to predict shear viscosity at the glass transition. The basis for this stems from the equivalence of the relaxation times for both ... See full document
152
Testing for compositional convection in silicate melts : crystal growth experiments and a petrographic study of a differentiated ring dyke
... A Pt8()Rh20 wire loop is used as a sample holder (Weill and McKay 1975, Lofgren et al 1974). The sample consists of a pressed pellet (figure 2.01a) of powdered glass and chips of the mineral to be overgrown. The pellet ... See full document
378
Potužák, Marcel (2006): Physico-Chemical Properties of Silicate Melts. Dissertation, LMU München: Fakultät für Geowissenschaften
... The shear viscosity, density, thermal expansivity and specific heat capacity are important factors controlling the morphology, rheology, and texture of volcanic flows and deposits. These physical properties of ... See full document
144
Liming and selenium application effects on selenium uptake by maize (zea mays) and selenium contents in maize grain
... Whereas the essentiality of Se for humans and animals has been established, its essentiality for plants has not yet been recognised. It is classified under the beneficial elements for plants (Pilon-Smits et al., 2009) ... See full document
10
Management of barley net blotch using Trichoderma asperellum (T34), eugenol, non-traditional compounds and fungicides
... potassium silicate, sodium molybdate, combin- ation of potassium silicate and sodium molybdate, with or without the fungicide azoxystrobin (Azox), could re- duce anthracnose symptoms caused by ... See full document
12
Bentonite Clay as a Natural Remedy: A Brief Review
... Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate, sodium magnesium sili[r] ... See full document
8
Silicate melt under pressure: coordination changes and trace element partitioning
... partitioning between silicate minerals and silicate melts has been less well studied. Partly this is because the high temperatures required make these experiments more technically challenging, and it ... See full document
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