103 Result(s)
within
Jia**g Cheng
Characterization and Evaluation of Materials
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Article
An improved laser fluorimeter for the detection of traces of uranium
An improved laser fluorimeter and its application for the determination of ultratrace concentrations of uranium are described. The system developed uses a collecting lens-filter system, by which the density of...
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Article
Optical Properties of Sol-Gel Derived PbTiO3 and PbZr1−xTiO3 Ferroelectric Thin Films
With sol-gel processing and rapid thermal annealing (RTA), crack-free PbTiO3 and PbZr1−xTixO3(x=0.2-0.8) ferroelectric thin films were prepared on Si(100) and Pt/Ti/SiO2/Si(100) substrates respectively. Results f...
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Article
Mechanism of spallation in platinum aluminide/electron beam physical vapor-deposited thermal barrier coatings
The spallation failure of a commercial thermal barrier coating (TBC), consisting of a single-crystal RENE N5 superalloy, a platinum aluminide (Pt-Al) bond coat, and an electron beam-deposited 7 wt pct yttria-s...
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Article
The influence of low-melting-point alloy on the rheological properties of a polystyrene melt
The rheological behavior of polystyrene melts filled with different loadings of Sn-Pb alloy has been studied. The filled polystyrene melts showed a pseudoplastic behavior, and the viscosity varied dramatically...
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Article
Numerical Analysis on Laser-Generated Guided Elastic Waves in a Hollow Cylinder
Numerical analyses are presented for laser-generated guided elastic waves in a hollow cylinder. Time-dependent displacement at the outer surface of a hollow cylinder is expressed by summation of longitudinal a...
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Article
Magnetite-PLGA Microparticles for Oral Delivery of Insulin
Magnetic responsive particles were designed for use in oral delivery of insulin. Magnetite nanoparticles (12 nm average size) were synthesized and co-encapsulated with insulin into poly(lactide-co-glycolide) (...
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Article
Nanopolymeric Therapeutics
Polymers have been extensively utilized in the design of nanometer-sized delivery vehicles of chemotherapeutics for clinical cancer therapy. Polymeric nanoparticulate delivery vehicles, with chemotherapeutics ...
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Article
Capacitive characteristics of Ni–Co oxide nano-composite via coordination homogeneous co-precipitation method
A series of Ni–Co oxide nano-composites were prepared by thermal decomposition of the precursors obtained via coordination homogeneous co-precipitation method. Thermogravimetric analysis (TGA), powder X-ray di...
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Article
Influence of addition of cobalt oxide on microstructure and electrochemical capacitive performance of nickel oxide
Ni–Co oxide nanocomposite was prepared by thermal decomposition of the precursor obtained via a new method—coordination homogeneous coprecipitation method. The synthesized sample was characterized physically b...
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Article
A butterfly effect: highly insecticidal resistance caused by only a conservative residue mutated of drosophila melanogaster acetylcholinesterase
Acetylcholinesterase (AChE) and its mutation recently emerged as a significant research area, due to its resistance against organophosphate and carbamate insecticides. Residue G265, which is always a conservat...
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Article
Novel End-point Detection Method by Monitoring Shear Force Oscillation Frequency for Barrier Metal Polishing in Advanced LSI
A novel end-point detection method based on a combination of shear force and its spectral amplitude was proposed for barrier metal polishing on copper damascene structures. Under some polishing conditions, the...
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Article
Preparation and characterization of olivary carbon by pyrolysis of ethanol with the manganese acetate as promoter via solvothermal method
A new single step, efficient, and scalable process was developed for synthesis of olivary carbon microparticles with a diameter of 4–6 μm at the middle and a length 8–12 μm by pyrolysis (under 600 °C) of ethan...
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Article
Insights into subtype selectivity of opioid agonists by ligand-based and structure-based methods
To probe the selective mechanism of agonists binding to three opioid receptor subtypes, ligand-based and receptor-based methods were implemented together and subtype characteristics of opioid agonists were cle...
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Article
A new and efficient synthetic method of a liquid crystalline epoxy resin with biphenol and aromatic ester group
This article describes a high efficient and economical method to synthesize a liquid crystalline epoxy resin (LCER) containing biphenol and aromatic ester group, 3,3′,5,5′-tetramethylbiphenyl-4,4′-diyl bis(4-(...
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Article
Temperature swing adsorption of melamine on thermosensitive poly(N-isopropylacrylamide) cryogels
In the past few years, polymer-based adsorbents have been emerging as highly effective alternatives to activated carbons for pollutants removal and recovery from industrial effluents. In this article, novel th...
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Article
Comprehensive studies on the interactions between chitosan nanoparticles and some live cells
As more and more oral formulations of nanoparticles are used in clinical contexts, a comprehensive study on the mechanisms of interaction between polymer nanoparticles and live cells seems merited. Such a stud...
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Article
Synthesis, characterization, and thermal stability studies of bisphenol-A type novolac epoxy-polyurethane coating systems for in-mould decoration ink applications
Recently, In-mould decoration (IMD) ink has gained considerable attention, which is used for decorating plastic surfaces through IMD craft. In this work, series of hydroxyl terminated bisphenol-A type novolac ...
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Article
The structure, properties, and nature of unconventional π halogen bond in the complexes of Al 4 2- and halohydrocarbons
Quantum chemical calculations have been performed to study the all-metal π halogen bonding in Al 4 2- ···halohydrocarbon complexes. The result shows the existen...
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Article
A new interaction mechanism of LiNH2 with MgH2: magnesium bond
Quantum chemical calculations were performed for LiNH2–HMgX (X = H, F, Cl, Br, CH3, OH, and NH2) complexes to propose a new interaction mechanism between them. This theoretical survey showed that the complexes ar...
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Article
Effect of superalkali substituents on the strengths and properties of hydrogen and halogen bonds
Quantum chemical calculations have been performed for the complexes Li3OCCX–Y (X = Cl, Br, H; Y = NH3, H2O, H2S) and Li3OCN–X′Y′ (X′Y′ = ClF, BrCl, BrF, HF) to study the role of superalkalis in hydrogen and halog...
