نتایج جستجو برای: solubility parameter
تعداد نتایج: 236329 فیلتر نتایج به سال:
• The Body's Need for Vitamins and Minerals in the Diet • Molecular Basis for Water Solubility and Fat Solubility (e.g., of Vitamins) Polarity of Solvent and Solute Thermodynamics of Dissolution • Structures and Functions of Key Vitamins • Effect of Olestra (Artificial Fat) on Vitamin Solubility • Quantitative Measures of Mineral Solubility Solubility Product (Ksp) Solubility (S) • Calcium in t...
The solubility of naproxen in binary mixtures of polyethylene glycol 200 (PEG 200) + water at the temperature range from 298.0 K to 318.0 K were reported. The combinations of Jouyban-Acree model + van’t Hoff and Jouyban-Acree model + partial solubility parameters were used to predict the solubility of naproxen in PEG 200 + water mixtures at different temperatures. Combination of Jouyban-Acree m...
BACKGROUND The tremendous supply and low cost of distillers dried grains with solubles (DDGS) make it an attractive feedstuff for aquaculture diets. Also, several studies have shown that DDGS can be successfully fed to various finfish. The objective of this study was to evaluate the effects of inclusion rate of DDGS (0, 250, 500 g kg(-1) ), feed moisture content (350, 450 g kg(-1) ) and die ope...
Natural gas sweetening is an important process which is used for treatment of sour gases. The measurement of solubility is also considered in most sweetening processes such as that of Townsend process. Therefore, experimental measurements would be helpful to determine the equilibrium data under actual equilibrium conditions for the gas treatment plants. In this research solubility of hydrogen s...
Background and Aim: Application of topical tacrolimus in Vernal Keratoconjunctivitis is considered as an alternative to steroids. Due to the low aqueous solubility of the drug, preparing a solution of the drug has got particular importance. In the present study, tacrolimus eye drop was prepared using cyclodextrin, as a drug solubility enhancer. Materials and Methods: To improve the aqueous s...
Comparison of the solubility of conventional glass ionomer and modified cements: An in vitro study Dr. H. Torabzadeh* - Dr. S. Bai** *- Associate Professor of Operative Dentistry Dept. - Faculty of Dentistry – Shaheed Beheshti University of Medical Sciences. ** - Dentist. Background and Aim: Solubility of restorative materials leads to loss of marginal intergrity, surface properties and aesthet...
Hydroxyl terminated polybutadiene (HTPB) is the most important and versatile binder in composite solid propellant, But the immiscibility of this polymer with traditional energetic plasticizers is a disadvantage limits its application as a binder for compounding of high energy propellant. In this research, two types of energetic plasticizer, 2-ethylhexyl nitrate (2EHN) and 2-ethyl-2-buthyl-1, 3 ...
The crystallization behaviors of two copolymers of PVDF were studied, and the effect of copolymerized chains on the crystallization behavior was investigated. The results indicated that both copolymers had a lowered crystallization temperature and crystallinity. The crystallization rate was improved by the copolymer with symmetrical units in PVDF chains, but hindered by asymmetrical units, comp...
Three solid-solid and two solid-liquid diffusion couples together with 32 key samples were used to construct the isothermal section of the Mg-Ni-Y system at 673 K. The present investigation revealed 12 ternary intermetallic compounds. Crystal structures of two ternary compounds τ1 (Gd4RhIn prototype with lattice parameter of a = 1.3666 nm) and τ2 (Mo2FeB2 prototype with lattice parameters of a ...
Inverse gas chromatography method is widely used for the characterization of polymers and surfactants that are capable to offer useful information to predict miscibility of polymer composites. However adaption of IGC to carbon nanotubes (CNTs) is still challenging due to many problems arising in establishment and there are only limited reports about CNTs. Thus we researched the thermodynamic su...
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