Materials Literature
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Tapered laminated structures, which drop-off in laminated has to be identified as a are formed by dropping off some of the plies at stress rises from the very beginning. Over past discrete positions over the laminate, have received decade several experimental and analytical much attention from researchers because of t…
Photoinduced carrier dynamic behavior of the Mn3+ 3d resonance excitation of YMnO3 thin film is studied by the femtosecond time resolved spectroscopy. The photon energy of the pump pulse is tuned to 1.70 eV, which is corresponding to the Mn3+ 3d energy level at room temperature. With resonant excitation, the transient…
Based on the numerically solved Dirac equations, we study the electronic properties of the point vacancy of the graphene quantum dots with armchair boundary conditions under magnetic field. The size effect on the gap is analyzed. Without magnetic fields, quantum dot has finite energy gap which is proportional to the i…
We investigate the structural and dynamic properties of isothermal crystallization of Cu nanocluster which contains 500 Cu atoms (Cu500), according to the embedded atom model, using molecular dynamics simulations. We calculate the Honeycutt-Anderson bond-type index, the inherent structure (IS) and the revisionary mean…
Nowadays, advanced wastewater treatment has become a stringent step for the removal of priority organic pollutants and many technologies have been proposed in order to achieve effluents with a superior quality for recycling or reuse purposes.This research is focused on the possibilities of using an integrated process,…
Polyethylene (PE) discs prepared by hot-pressing, each with a thickness of 0.8 mm, are surface fluorinated in a laboratory vessel by an F2/N2 mixture containing 12.5% F2 by volume at different temperatures of 35, 55, and 70 ℃ for the same time of 2 h. The influence of fluorination temperature on space charge accumulat…
Low temperature solution growth (LTSG) is one of the most efficient and simplest processes which can be employed for crystal growth from solutions. The ease in handling and the readiness in its miscibility with the solvents make it an attractive technique for crystal growth. Most of the chosen solutes are miscible wit…
SiC ceramic was fabricated through pyrolyzing polycarbosilane(PCS) at 800-1 200 ℃.The morphology,crystal phase and micro structure of free carbon were characterized by SEM,XRD and Raman spectrum,respectively.The DC conductivity of samples was tested.The complex permittivity of SiC ceramics derived from PCS(PCS-SiC) we…
Manufacturing of nanostructures for biosensing is a promising and interdisciplinary research area involving biology, chemistry, physics and medicine.1,2 Today, most of the traditional and new experimental methods are evolving to develop nanomaterials, and are used to fabricate different nanostructur...
Thermal behaviours of graphite/potassium nitrate(C/KNO3) with different proportion were studied by TG-DSC technique.The kinetic parameters of thermal decomposition reaction for C/KNO3=90/10 mixture were calculated by Friedman′s method.Results show that thermal decomposition of C/KNO3 is solid-phase reaction.At the sam…
In the experiments,the SiCl4 liquid with the purity of 99 percent was chosen as a precursor and the gas mixtures of H2 and O2 as explosion sources.The relative molar quantity of the precursor was changed and its influences on the products were explored.And the nano-SiO2 powders were characterized with X-ray fluorescen…
Since contaminative insulator leakage current is influenced clearly by environmental temperature and humidity,the research of relationship between leakage current,environmental temperature and humidity is of important practical significance.Based on single XP-70 insulator artificial contamination tests,current and vol…
To study the characteristics of debris generated by satellite breakup,three hypervelocity impact tests for simulated satellites are carried out at the ballistic range.The simulated satellites are impacted by aluminum blunt nosed cone projectiles at velocities ranging from 3.2km/s to 4.2km/s.The breakup fragments are c…
The metal magnetic memory testing(MMMT) can detect the stress concentration zone of ferromagnetic metal components.The technology researches were hopeful that solving the key of the components early diagnosis and life-time prediction.This paper introduces the metal magnetic memory testing principles and applications,a…
In recent years, enormous researches on cellulose nanofiber have been reported. For the preparation of these cellulose nanofiber, acid hydrolysis or mechanical crushing is commonly used. Cellulase attacks cellulose, and sometimes it splits cellulose. This process is to be available for the production of cellulose nano…
HIPS was blended with starch in three formulations 10, 20 & 30% with compatibilizer glycerol (2wt % based on starch) using a twin screw extruder. Test specimens were prepared using an injection molding machine. Mechanical, electrical, physical and thermal properties were determined. Photo degradation using accelerated…
Zinc oxide (ZnO) particles are well known for their non-linear properties. Recently, they are being used in epoxy resin of Air bushings to control the surface potential distribution. In this research work, we used 4 different types of ZnO particles (A, B, C and D) and measured their electrical characteristics. Among t…
The lithium ionic conductingLa0.45Ce0.1Li0.27TiO3 has been synthesized by sol-gel method. This solid is the result of substitutional doping with Ce(IV) in La0.45Ce0.1Li0.27TiO3 compound. The aim of the replacement of La(III) by Ce(IV) is increase the number of vacancies in the structure and favors the ionic mobility.…
SUMMARY A new method of wastewater treatment using electric discharge in the water cavitation field formed by a large number of micro bubbles generated by high-speed water flow is proposed in this paper. Indigo carmine solution, which is a type of dye, with a concentration of 9 mg/liter was used as the specimen soluti…
This paper reports the feasibility of synthesis and characterization of One Dimensional nano scale Porous Silicon Photonic Crystals (1D-PSPC) prepared using electrochemical anodization of p-type crystalline silicon wafer by adjusting the current densities. Two structures PSPC1 and PSPC2 with current density 25 and 35m…