Materials Literature
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ABSRTACT: Molecular nanotechnology has been defined as the three-dimensional positional control of structure to create materials and devices to precision. The human body is comprised of molecules; hence the availability of nanotechnology will permit dramatic progress in human medical services. More than just an extens…
CSIRO has developed a model of flotation using computational fluid dynamics (CFD) software that incorporates fluid motion in realistic vessel geometries. The model also predicts particle capture by bubbles in the system using equations based on the induction time concept. This work looks to experimental studies at the…
Introduction: Developing new radiosynovectomy agents is of great importance due to the aging of human populations around the world and increasing the incidence of inflammatory diseases. In this work, Sm-153 chitosan agent was developed for the first time in our country and preparation and quality control of the compou…
Five new optically active poly(amide-imide)s (PAIs) (6a–e) were prepared by direct polycondensation of the newly synthesized N,N′-(bicyclo[2,2,2]oct-7-ene-2,3,5,6-tetracarboxylic)-bis-L-2-aminobutyric acid (4) with five various aromatic diamines (5a–e). Triphenyl phosphite (TPP)/pyridine (Py) in the presence of calciu…
Polyacrylonitrile (PAN)-based activated carbon fiber (PAN-ACF) was prepared with various temperatures of both air treatment (350, 400, 425 and 450 °C) and activation (850 and 900 °C). The observation for the surface nitrogen with X-ray photoelectron spectroscopy (XPS) showed the presence of quaternary-N and pyridinic-…
In this study, the effects of draft ratios on the properties of vortex spun yarns were investigated. 100% viscose drawing slivers of three different counts (3.94 ktex, 3.19 ktex and 2.68 ktex) were spun into yarns with a count of 14.76 tex while keeping all other spinning conditions constant. The yarn samples were eva…
The noble metal nanoparticles, for example gold and silver nanoparticles, absorb strongly in the visible and near-infrared region when the frequency of an electromagnetic field becomes resonant with the surface plasmon coherent electron oscillation within the nanoparticles. Nowadays nanoparticles are widely used in ph…
Zinc sulphide thin films were grown on indium tin oxide glass substrates by electrodeposition method in an aqueous solution that contained zinc chloride, sodium thiosulfate and triethanolamine. Effect of deposition time on the deposition of ZnS thin films was investigated. The crystallinity and surface morphology of Z…
Vitamin C is an acidic molecule with strong reducing activity. It is an essential micronutrient in man, due to the absence of L-gulonolactone oxidase. Vitamin C has several important roles and there are many enzymes utilizing ascorbate as a co-factor. Besides, vitamin C protects human health by scavenging toxic free r…
PARID AH MT, SAIFULAZRY SOA, JALALUDDIN H, ZAIDON A & RAHIM S. 2010. Mechanical and physical properties of particleboard made from 4-year-old rubberwood of RRIM 2000 series clones. Rubber trees are normally felled after 25 years. With the drastic depletion of rubberwood supply, the Malaysian Rubber Board has identifie…
Semiarid regions forced to use saline water whether from agriculture drainage water and salinized well water which is a significant factor that affecting not only the agricultural productivity but also extended reclamation projects. Treating saline water by acid to improve its quality is investigated under loamy sand…
This contribution gives a bibliometric perspective on the recently strongly discussed topic concerning the role of conferences in computer science. We investigate the frequency and impact of conference publications in computer science, comparing with journal articles. It turns out that, from a bibliometric perspective…
A semiregular element of a permutation group is a non-identity element having all cycles of equal length in its cycle decomposition. The existence of semiregular automorphisms in fullerenes is discussed. In particular, the family of fullerene graphs is described via the existence of semiregular automorphisms in their…
Sellafield Limited operates four encapsulation plants for the immobilisation of intermediate level wastes arising from reprocessing operations. The first of these was commissioned in 1990. These plants use a range of cement formulations based on Portland Cement (CEM I, equivalent to ASTM Type I), Ground Granulated Bla…
In this article, the shape coefficient of yarn was used as a tool for classifying fancy yarns. On the basis of experiments conducted in this research, characteristic values of the shape coefficient for different yarn structures have been established. The same research material and twist were used in the experiments. C…
The aim of the present investigation is to explain the application of ferrofluid (Fe3O4) as target drug delivery system in nanotechnology. It works on the principle of Magnetism which plays an important role in different application of ferrofluid in medicine. Ferrofluid is biocompatible and therefore it is one of the…
* Lithuanian University of Agriculture Department of Heat and Biotechnology Engineering Studentų 15, LT – 53362 Akademija, Kauno r. Lithuania E-mail: paulius.kerpauskas@lzuu.lt Abstract This study comprised an experimental investigation to determine the thermal properties of socks manufactured using not only tradition…
In the present study, the wetting behaviour of boron carbide by Ni based brazing alloys has been investigated. Based on the results of wetting experiments using sessile drop method, it has been revealed that these filler metals are generally able to wet B4C surface. This relates to the reactivity of Ni with this ceram…
Deformation modes at various stages of plastic deformation have been investigated at the same location in an Fe-30Mn-5Si-1Al (mass%) alloy specimen, which exhibits a good shape memory effect associated with the FCC(γ)→HCP(ε) martensitic transformation and a relatively high ductility caused by deformation twinning. The…
Unconventional structures in materials may be generated by the corresponding choice of alloys in combination with a rapid extraction of heat. Improved melt spinning procedures allow to solute more than 1.0 wt% Sc in the Al-lattice. Therefore a critical cooling rate is necessary, which can only be achieved by ribbon th…