Materials Literature
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Kalvobioreaktori on biologisen jätevedenpudistuksen kehittynyt muoto, jossa lietteen erotus puhdistetusta jätevedestä tapahtuu kalvosuodatuksella tavanomaisen selkeytyksen sijasta. Erilaisten biomassojen prosessointi lisääntyy ja jätevedet näistä toiminnoista ovat usein erittäin väkeviä. Tässä tutkimushankkeessa kalvo…
Fuel cells are energy conversion devices that operate by converting the chemical energy stored inside appropriate fuels into electrical energy. In particular, Solid Oxide Fuel Cells (SOFCs) are a type of fuel cell that has unique characteristics that make them outstanding candidates for use in future power generation…
N3.2-B2-01, the Strength of Material Laboratory of Nanyang Technological University (NTU) is the venue where the student conducted all the experiments related to this project. There are three kinds of Split Hopkinson bar (SHB) apparatus in the laboratory. They are torsion, compression and Tensile SHB which used to obt…
In this study, in order to calculate dangerous volume at various stress distribution, the dangerous volume quantification method is proposed. And in order to predict stress distribution of spray coating, an easy calculation method of residual stress distribution based on the first report is proposed. The calculated da…
The D.C. electrical properties of poly (ethy lene oxide)/MgCl 2 composites were investigated as a function of different M gCl 2 filler concentrations (0, 5, 10, 15 and 20 wt.%) and different temperatures in the range (276-333) o K at three different polarizing fields. Resistivity: and dc Conductivity : σ dc were mea…
The foundation settlement affect is the reason of shell part disintegration and hinge forming in main supporting ribs in the heritage’s vaulted structure. The most theories consider masonry as interacting parts of rigid body. Simulation of hinge mechanism between two rotating masonry parts is performed in the present…
Solid-state lighting technology based on injection electroluminescence devices, light-emitting diode (LEDs) has the ability to operate with a long life typically in the order of 50,000 to 100,000 hours. Therefore, the global lighting community has no doubt that high-power LEDs will play an important role in general li…
The effects of the waste polyester fabric used as filler in natural rubber compound were studied. Six types of testing were conducted to determine the properties of waste polyester fabric used as filler in natural rubber compound such as the tensile testing, hardness test, resilience test, ageing test, density test an…
The interest in tissue engineered small diameter blood vessels was sparked off by \nthe need for cardiovascular grafts in surgeries. This project aims to fabricate a porous scaffold to allow the diffusion of nutrients and growth factors in a co-culture of smooth muscle and endothelial cells found in blood vessels. PCL…
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Определены биохимические свойства субтилизиноподобной протеиназы Bacillus intermedius (AprBi), секретируемой рекомбинантным штаммом Bacillus subtilis в ранней и поздней стационарных фазах роста. Проведен анализ структуры белка и оценена его стабильность. Отмечено, что фермент, соответствующий разным фазам роста бактер…
During bioprocessing, there are many points at which protein can aggregate, reducing the overall protein refolding yield. A novel stimuli responsive polymer: Poly (L-lysine iso-phthalamide) was investigated in this study to examine its potential use as an additive to improve refolding yield of hen egg white lysozyme (…
Silylation is a surface imaging technique which allows silicon to absorb into photoresist in specified areas. Photoresist containing silicon creates a hard-mask which is resistant to oxygen plasma. This allows for the development process to occur strictly in dry etch systems. Surface imaging is a desirable technique b…
In recent year the finding of new source energy has been blooming very fast with the help of the advancement in technology. Piezoelectric has becoming more and more significant as the small and portable energy source. Mainly this energy harvested from piezoelectric devices is using the Lead Zirconate Titanate (PbZrTi)…
Nephrogenic systemic fibrosis is a disabling progressive condition that is being reported with increased frequency in patients with kidney disease. Treatment is extremely limited and largely supportive. We report a case of severe nephrogenic systemic fibrosis in a dialysis patient exposed to multiple doses of gadolini…
In this paper, the radiation e-ciency and fractional bandwidth of an electrically small zeroth order resonance (ZOR) antenna based on mu-negative (MNG) metamaterials were theoretically investigated. To investigate the radiation e-ciency and bandwidth of the electrically small antenna, various types of MNG ZOR antennas…
In algae possessing lichens, polyols serve as energy-storing compounds. They are also osmotically-active compounds that increase lichen resistance to low and freezing temperatures. Natural levels of polyols in lichens are species-specific. They vary within 1.4-8.8 mg.g-1 DW (ribitol), 0.4-29.0 mg.g-1 (mannitol). We in…
Import 31/08/2009
The atomistic and electronic structures of PbTiO_3 nanowires with characteristic edges consisting of [100] and [010] surfaces and the crucial role of axial tensile strain on ferroelectricity have been investigated by means of ab initio calculations. Ferroelectricity is enhanced at the edge of the PbO-terminated nanowi…
EPR spectroscopy has been used to investigate \nferromagnetism and oxygen vacancies in nanocrystalline ZnO \nthin films derived from different zinc acetate sol concentrations \non quartz substrate by sol-gel process. In low sol concentration \nZnO thin film, a broad ferromagnetic EPR resonance signal of g- \nvalue abo…