122 Result(s)
within
**ao-Bo **
Materials Science
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Article
Preparation and microstructure of al-pillared interlayered montmorillonite
Al-pillared interlayered montmorillonite (Al-PILM) was prepared using the artificial Na-montmorillonite from the Qingfengshan bentonite mine as a starting material mixed with Al-pillaring solutions. The micros...
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Article
Production of reduced iron powder using ultra-fine iron concentrate
The using of the iron to extract reduced iron with TFe≥69.5% Al2O3+SiO2<0.3% was studied. Preparation of reduced iron powder in this experimental research can produce ultra-pure magnetite concentrate. The quality...
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Preparation of high performance non-dispersible concrete
A new-type underwater non-dispersible concrete admixture NDA was prepared, its function mechanism was analyzed, and C40 high performance non-dispersible underwater concrete was manufactured by applying NDA. Th...
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Assessment on chloride contaminated resistance of concrete with non-steady-state migration method
A preparation technology of chloride contaminated resistant concrete was presented. The newly developed non-steady-state migration test method was employed for the evaluation of chloride ions diffusion coeffic...
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Article
Open AccessDensitometry determination of dioxins using gold nanoparticlemodified dioxin response element probes
This study aims to develop a rapid and sensitive densitometry bioassay of dioxins. It is known that dioxin ligand can bind heterodimeric aryl hydrocarbon receptor (AhR) and trigger the formation of the complex...
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Atomic-scale study of electric dipoles near charged and uncharged domain walls in ferroelectric films
Ferroelectrics are materials exhibiting spontaneous electric polarization due to dipoles formed by displacements of charged ions inside the crystal unit cell. Their exceptional properties are exploited in a va...
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Article
Self-assembly of truxene derivatives investigated by STM
Truxene and its derivatives were synthesized, and their assembly structures were studied by scanning tunneling microscopy (STM) technique. Parallelogram-shaped dimers with different contrast can be resolved fo...
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Synthesis and characterization of a pH/temperature responsive glycine-mediated hydrogel for drug release
In this work, a pH/temperature responsive hydrogel (PMEA) from N-acryloylglycine methyl ester (NAGME), N-acryloylglycine ethyl ester (NAGEE), and acrylic acid (AAc) was synthesized by free radical polymerization....
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Open AccessHydrazine-cadmium tellurite hybrid microcrystals: An efficient precursor to porous cadmium telluride and tellurium architectures through its thermal decomposition
Well-defined platelet-like hydrazine-cadmium tellurite hybrid microcrystals have been synthesized by a solvothermal reaction of cadmium chloride, sodium tellurite, and hydrazine hydrate in a mixed solvent cont...
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Article
Preparation and performance of dye-sensitized solar cells based on ZnO-modified TiO2 electrodes
The ZnO-modified TiO2 electrode was prepared by adding Zn(CH3COO)2·2H2O to the TiO2 colloid during the sol-gel production process, and was used in dye-sensitized solar cells (DSCs). The open circuit voltage (V ...
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Article
Spray-spinning: a novel method for making alginate/chitosan fibrous scaffold
The subject of our investigations was the process of obtaining alginate/chitosan polyelectrolyte complex (PEC) fibers. In this study, a novel method named “spray-spinning” was developed for the making of these...
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Synthesis and characterization of a thermo-sensitive poly(N-methyl acryloylglycine methyl ester) used as a drug release carrier
In this article, poly(N-methyl acryloylglycine methyl ester) (PNMAME) was prepared as a novel thermosensitive material with a lower critical solution temperature (LCST) at around 49.5°C. The chemical structures o...
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Article
The Membrane Electrowinning Separation of Antimony from a Stibnite Concentrate
The main purpose of this study was to characterize and to extract antimony from a stibnite concentrate through electrowinning. This article reports an account of a study conducted on the optimization of the pr...
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Article
Development of transferrin functionalized poly(ethylene glycol)/poly(lactic acid) amphiphilic block copolymeric micelles as a potential delivery system targeting brain glioma
The aim of present study is to conceive a biodegradable poly(ethylene glycol)–polylactide (PEG–PLA) copolymer nanoparticle which can be surface biofunctionalized with ligands via biotin–avidin interactions and...
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Article
The Cytotoxicity of Quantum Dots CdSe/CdS functionalized with -COOH and –NH2
Recently, semiconductor nanocrystals or quantum dots (QDs) aroused great concern because of their unique properties such as the size-dependent photoluminescence. They have many excellent applications in areas ...
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Article
Separation of Antimony from a Stibnite Concentrate Through a Low-Temperature Smelting Process to Eliminate SO2 Emission
The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process. This article reports on a study conducted on the op...
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Article
Thermodynamics Calculation and Experimental Study on Separation of Bismuth from a Bismuth Glance Concentrate Through a Low-Temperature Molten Salt Smelting Process
The main purpose of this study is to characterize and separate bismuth from a bismuth glance concentrate through a low-temperature, sulfur-fixing smelting process. This article reports on a study conducted on ...
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Article
Microstructure and mechanical properties of Mg–Gd–Zr alloys with low gadolinium contents
Mg–xGd–0.6Zr (x = 2, 4, and 6% mass fraction) alloys were synthesized by semi-continuous casting process. The effects of gadolinium content and aging time on microstructures and mechanical properties of the Mg–xG...
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Article
The effect of [Fe3+]/[Fe2+] molar ratio and iron salts concentration on the properties of superparamagnetic iron oxide nanoparticles in the water/ethanol/toluene system
In this study, we developed a convenient one-pot method with sodium oleate as both the surfactant and precipitant to synthesize pure magnetite nanoparticles in the water/ethanol/toluene system. The initial mol...
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Joining of Cf/SiC Composite With Pd-Co-V Brazing Filler
Carbon fibre-reinforced silicon carbide matrix composite (Cf/SiC composite) is a new heat-resistant ceramic matrix composite, and it shows a high potential for applications in high temperature environments. Howev...
