Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Magnesium oxide (MgO) nanoparticles were synthesized by sol-gel method. The synthesized samples have been characterized by X-Ray diffraction (XRD), scanning electron microscopy (SEM) and dielectric studies. SEM and XRD characterization studies confirmed that MgO particles thus obtained have hierarchical structures wit…
Biodegradable polysacharyd-based film was developed by incorporating pimpinella affinis essential oil (PAO) into methylcellulose (MC) at level of 0.5%, 1% and 1.5% v/v. The effects of MC films containing PAO on physical, mechanical and antimicrobial properties of the films were evaluated. MC films containing PAO showe…
In this work the thermal properties, structure and morphology of a blend of polyethylene terephthalate (PET) and polypropylene (PP) reinforced with graphene nanoplatelets (GNP) were investigated. A blend of PET/PP (70/30 weight percent) compatibilized with styrene-ethylene-butylene-styrene grafted maleic anhydride tri…
A laser system and a measuring method for the synchronized delivery of multiple Er:YAG-laser pulses during vapor-bubble oscillations are presented. We use a free-running Er:YAG laser, designed for laser dentistry. Our results reveal that for short Er:YAG laser pulses, spherical bubbles develop even if a flatend fiber…
This study introduces a novel idea of quantum dots preparation using plant materials. The copper nanoparticles in the form of quantum dots were synthesized using aqueous extract of the root of the plant Rubia cardifolia. The prepared quantum dots were characterized using UV-Visible double beam spectrophotometer, SEM,…
The hybrid composites have emerged with a potential reinforcement material used as a light weight struc ture has attracted many researchers. This is mainly due to their inherent q ualities like low density, low Cost, renewable, biodegradability and environmental ly harmless. Hybrid composite material shows the highest…
Thin films of lead sulphide (PbS) were deposited on a glass substrate at room temperature using spin coating technique. X-ray diffraction (XRD) is used to establish the structure and crystallite size of these films and scanning electron microscopy is used to study the particle size and morphology. The dielectric prope…
In present work hard magnetic Fe-Cr-Co alloys obtained by powder metallurgy method, investigating significant sintering temperature range. Molybdenum, tungsten and silicon used as alloying additives. We study the dependence of porosity and mass losses from sintering temperature. Magnetic hysteresis properties of the a…
Modern dental restoration materials fulfil all the physical, biocompatibility and aesthetics requirements but they do not possess antibacterial activity to protect the tooth from recurrent caries. In this direction, many researchers worked on incorporation of different antibacterial agents like silver, antibiotics, Zi…
The paper presents a water resistance rapid assessment system(WRRAS)for magnesium oxychloride cement(MOC)based on the Arrhenius equation in order to improve the time-consuming operation(28d)and the existing equipment used.The relationships between the erosion thickness and leaching time and between the strength retent…
In recent years, some unexplained abnormal fracture of composite insulators presented a great challenge to the safety of UHV/EHV power transmission lines in China. Therefore, assuming that the fractures were induced by hydrolyzation, we simulated the abnormal fracture of composite insulators in laboratory through hydr…
Effective prediction of the flashover voltage of insulators is an important approach to the prevention of pollution flashover accidents,and the leakage current(LC) is an important factor to analyze and detect the flashover voltage of insulators.In order to predict the flashover voltage of insulators and prevent pollut…
The failure samples under low temperature curing condition were studied by X-ray diffraction, scanning electron microscopy and mercury intrusion porosimetry. The character of the hydration products、 the crystal on surface and the destruction effects of low temperature were investigated when MPC pastes were cured in un…
The liquid–liquid phase separation of binary fluids, induced by a temperature quench, can be arrested by colloidal particles trapped at the interface. The arrested structure, a novel soft solid known as a bicontinuous interfacially jammed emulsion gel (bijel), was first predicted by computer simulations and subsequent…
We previously reported that the inner structures of thick (>3 mm) injection-molded test pieces of virgin polypropylene and recycled pre-consumer polypropylene were very different, even though their molecular and mechanical properties were almost the same. This difference was thought to be caused by the molding history…
Polyaniline doped with hydrochloric acid (HCl) was prepared by chemical oxidative polymerization of aniline (ANI) in aqueous medium with ammonium peroxy disulphate as an oxidant. The deprotonation of the PANI: HCl samples were performed by stirring the PANI: HCl powder (emeraldine salt) in 0.1 M aqueous solution of am…
In this review self-assembling single-walled porphyrin nanotube (SWPNT) models, based on the data of optical spectroscopy, small angle X-ray scattering and cryogenic transmission electron microscopy, are described.l The Short model, suggesting that SWPNT consists of a set of ladder-type "head-to-tail" J-aggregate heli…
We developed a simple procedure for the complete regeneration of silane-grafted gold surface. This method allowed the reuse of the regenerated gold chip for custom refunctionalization. In addition, we performed highly reproducible immunoassays using these chips over several cycles. The developed procedure was optimize…
Zinc oxide nanoparticles (ZnO-NPs) are increasingly used in nano fertilizers, sunscreens, biosensors, food additives, pigments, rubber manufacture and electronic materials. With wide application of ZnO-NPs, concern has been raised about its unintentional health hazards and environmental impacts. In the present study,…
Vapor phase nitration of benzene has been carried out, using dilute nitric acid as the nitrating agent, over Fe/Mo/SiO 2 solid acid catalyst with more than 80% benzene conversion and 99% selectivity for mononitrobenzene.A series of Fe/Mo/SiO 2 catalysts with various compositions were prepared using a sol-gel technique…