Materials Literature
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A short review on the effect of the OH groups in the ortho position on the liquid crystalline properties of benzylideneanilines and azobenzenes is presented. Numerous examples show that there are no general rules governing the behaviour of these compounds. However one finds most frequently a broadening of the existenc…
Drying is one of key steps to govern the physical properties of leather and it is where leather acquires its final texture, consistency and flexibility. Recently we have been working diligently to improve chrome-free leather by optimizing its drying process. We developed a drying method using a combination of toggle a…
Classical molecular dynamics and first principles quantum mechanical calculations are two of the most important methods currently used to model physical systems at the atomic level. The former allow simulations of millions of atoms to be carried out on a nanosecond timescale but the accuracy is limited by the requireme…
2 Irradiation experiments for the pebble bed modular reactor PBMR fuel (coated fuel particles and pebble fuel) are planned at the South African First Atomic Reactor Installation (SAFARI-1). The experiments are conducted to investigate the behavior of the fuel under normal operating and accelerated/accident simulating…
Purpose: The aim of the work is to present the influence of casting method and anodic treatment parameters on properties, thickness and structure of an anodic layer with (PVD) physical vapour deposition method achieved TiN layer formed on aluminum casting alloys. Design/methodology/approach: Investigations were carrie…
Silicon oxide nanowires and spheres were prepared via a simple hydrothermal deposition using silicon powder as the starting material. Field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), energy dispersive spectra (EDS) and high-resolution transmission electron microscopy (HRTEM)…
The Kentucky Transportation Cabinet’s Division of Maintenance is responsible for identifying and prioritizing locations in need of guardrail. A procedure used by the Kentucky Transportation Cabinet was originally developed by the Kentucky Transportation Center in 1989 and updated in 2002. Based on frequent usage by th…
The solar cells based on the blend of MEH-PPV(poly(2-methoxy-5-(2′-ethylhexoxy)- 1,4-phenylene vinylene) as donor and TiO2 nanorods as acceptor were fabricated. We analyzed the cause of performance change of the device in detail by the ultraviolet-visible absorption spectroscopy(UV-vis), photoluminescence spectroscopy…
The effect of aluminate coupling agent on interfacial properties between bamboo powder and polycaprolactone was studied in this paper.The interaction between coupling agent and bamboo powder and the best treatment time were determined by IR,XRD,etc..The effect of coupling agent on compatability between bamboo powder a…
Objective To prepare the long-circulating paclitaxel-containing liposomes and evaluate its pharmacokinetics in rats.Methods The long-circulating paclitaxel-containing liposomes were prepared by film dispersion method.The concentration of paclitaxel in rats’plasma was determined by HPLC method and the parameters were c…
This paper describes how polymer modified-asphalt (PMA) is normally produced using a “wet” process where the polymer is added to asphalt in a high shear mixer and delivered in a tank. However, it is time consuming and costly for asphalt mix producers to switch tanks between the straight asphalt and PMA for different p…
Magnetic materials can help to improve the performance of practical superconductors on the macro/micro scale as magnetic diverters and also on the nanoscale as effective pinning centres. It was established by numerical modelling that magnetic shielding of the superconducting filaments reduces AC losses in self-field c…
We report herein a new ¿ nd of kristiansenite from a pocket in an intra-granite pegmatite from Cadalso de los Vidrios, near Madrid, Spain. This specimen of a late hydrothermal scandium silicate has been studied by Environmental Scanning Electron Microscopy with Energy Dispersive Spectrometry probe (ESEM-EDS), Micro-Ra…
Cover: Knitted neuron demonstrates the versatility of textile manufacturing techniques for the construction of three dimensional structures. ©Maria Asplund
The optical transmission(200―2000 nm), sheet resistance and work functions of indium-tin oxide(ITO)(100 Ω/□), ITO(12 Ω/□), zinc-oxide(ZnO), aluminum-doped ZnO(AZO) and polyaniline(PANI) films were investigated. Near-infrared organic light-emitting diodes(NIR-OLEDs) emitting around 1.54 μm based on Er(DBM)3Phen with IT…
NM-1422
To establish a reliable lifetime prediction of hot work tool steels during service, it is necessary to characterize the initial microstructure as well as its evolution during application since the material properties depend on the microstructural configuration. The microstructure evolution during heat treatment is sim…
The effects of microwave drying on the properties of alumina-zeolite foam were investigated. A polymeric sponge method was implemented for the foams preparation. Alumina powder with the particle size below 50 m was used in this study. The samples were dried in microwave oven for about 7 minutes before went through si…
Oxygen barrier performances and mechanical properties of SiOx coatings deposited on PET films by PECVD have been improved by the application of ultra-thin (10-500 nm) UV-polymerized silane compounds layers. Depending on the processing conditions, oxygen transmission rates of silane treated SiOx/ PET barrier films were…
Pegmatites are present in many metamorphic complexes. Their distinctive mineral assemblages, especially when rich in boron, provide a distinct perspective into the pressure-temperature-chemical environment. Granulite-facies metasedimentary gneisses and associated anatectic pegmatites in Larsemann Hills, Antarctica are…