Abstract Yttrium‐silicates (Y 2 Si O 7 and Y SiO 5 ) are candidate environmental barrier coating (EBC) materials for silicon carbide ceramic matrix composites (SiC‐CMCs). These materials’ high‐temperature, high‐velocity steam, siliceous debris resistance well studied. However, Na SO 4 ‐induced hot corrosion mechanisms less understood. Free‐standing atmospheric plasma sprayed coupons were expose...

introduction nowadays, salinity is one of the limiting factors for crop production in arid and semi-arid regions. on the other hand, sorghum (sorghum bicolor l.) is a self-pollinated and short-day plant, which partly has been adapted to salinity and water stress conditions; also play an important role in humans, livestock and poultry nourishments. all studies have showed the positive effects of...

The continuous addition of reagent (CAR) technique was used as an effective means of improving the simultaneous reaction-rate determination of phosphate and silicate based on the formation of the corresponding heteropolymolybdates. The special features of the CAR technique allow the flexible manipulation of the reactant concentrations and reaction kinetics for controlling the classical synergis...

Oxygen plasma treatment has been used extensively to bond polydimethyl siloxane to polydimethyl siloxane or glass in the rapid prototyping of microfluidic devices. This study aimed to improve the bonding quality of polydimethyl siloxane to passivated silicon using oxygen plasma treatment, and also to evaluate the bonding quality. Four types of passivated silicon were used: phosphosilicate glass...

Single-crystalline cobalt silicide/SiO(x) nanocables have been grown on Co thin films on an SiO(2) layer by a self-catalysis process via vapor-liquid-solid mechanism. The nanocables consist of a core of CoSi nanowires and a silicon oxide shell with a length of several tens of micrometers. In the confined space in the oxide shell, the CoSi phase is stable and free from agglomeration in samples a...

objective: silicon is an effective element in bone biomineralization; hence si-substituted hydroxyapatite can be a relevant bioceramic as bone materials substitution. materials and methods: stoichiometric hydroxyapatite (ha) and si-substituted hydroxyapatite (si-ha) with different contents of si substitution were synthesized successfully by a hydrothermal method using ca(no3)2, (nh4)3po4 or (n...

First, the authors mentioned that there were no associated risk factors for silicate stone in any form in the studied child.[1] I presume that the following risk factor ought to be seriously considered. In India, ground water is being used as raw water for 85% public water supply.[2] It was found that all parameters of permissible limit of drinking water, including silicate were not set for all...

Despite numerous investigations, the thermodynamic properties of potassium silicates remain apparently contradictory. In situ experiments are complicated by unstable behavior a K2O–SiO2 melt in region compositions with high oxide content. this paper, we study structure melts method physicochemical modeling, taking into account results high-temperature Raman spectroscopy. To do this, spectra wer...

PURPOSE The purpose of this study was to characterize the pharmacokinetics (PKs) and pharmacodynamics (PDs) of an oral inositol-stabilized arginine silicate dietary supplement. SUBJECTS AND METHODS Ten healthy males, 26.7±5.4 years, took three 500 mg arginine silicate capsules (active product) for 14 days. The subjects attended test visits on Days 1 and 14. Fasting blood and saliva collection...

The wide range of aluminium variants (alloys and composites) has made it an important material for aviation, automotive components, auto-transmission locomotive section units, S.C.U.B.A. tanks, ship, vessels, submarines fabrication design etc. regardless the fact that alloys were being utilized in myriads sectors owing to its exceptional superior versatile functional characteristics, property s...