Materials Literature
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It is well known that almost 70% of energy of fuel is wasted as thermal energy in the case of gasoline engine vehicle. Utilizing the thermal energy to provide electric power for automobile instead of using the engine driven alternator, we can reduce the load for the alternator and save fuel. Thermoelectric generator c…
A simple process was developed to produce transparent MgO ceramics. In this process, magnesium hydroxide was initially precipitated by means of dropping an ammonium solution to a magnesium chloride solution in a glass (pyrex) beaker at about 100°C. The resulting precipitate was kept in the aqueous solution for 3h at t…
Fluminicola bipolaris is described based on a specimen found on submerged wood collected in a tropical river in the Philippines. The taxon is similar to species of Annulatascus, but differs in having ascospores with bipolar bifurcate or cup-like appendages. The structure of these appendages is unique and is illustrate…
Through investigations made on crosslinked polyethylene (XLPE) insulated power cables that had experienced failures, blue-colored water trees were observed in addition to ordinary white water trees. The blue water tree was found to be much more harmful than the white water tree, since more electrical trees started at…
Two new series of calamitic liquid crystals containing the isoflavone moiety within the central core have been prepared and their liquid crystalline properties studied. The compounds exhibit typical nematic, smectic A and C mesophases. The influence of the linking group between a terminal alkyl chain and the central c…
Well-defined spiro-polymers which are freely soluble in organic solvents can be prepared from the ketal-forming reaction between pentaerythritol and either a diketone bearing alkyl solubilising groups or a diketone which generates a contorted polymeric structure.
A spirobenzothiapyran derivative bearing a monoaza-12-crown-4 moiety affords significant thermal stability enhancement in the UV light induced colored merocyanine form of its photochromic moiety by metal-ion complexation of its crown ether moiety, although the complexation hardly induces the isomerization without phot…
The hydrogen permeation behavior of carbon steel (CS) was investigated electrochemically in weak alkaline solutions containing hydrogen sulfide (H2S) with various cyanide ion (CN–) concentrations under open-circuit conditions. Anodic and cathodic polarization behaviors of CS also were investigated under the same envir…
Two experiments were carried out to determine the effect of poly(3-hydroxybutyrateco-3-hydroxyvalerate) (PHBV) and polycaprolactone (PCL) inclusion (Exp. 1), and of PHBV pre- treatment with sodium hydroxide (Exp. 2) on the digestibility of diets in growing pigs. In Exp. 1, eight male castrated Large White pigs (initia…
An atomic-crystallographic mechanism is proposed for the α → ω transformation during irradiation. The mechanism is based on the propagation of a localized displacement wave of the [100]α close-packed rows. From the phonon dispersion curves along (010)α, the displacement wave is decomposed into two transverse optical p…
The crystal structure and the luminescence of the complex Na[Eu(DCTA)·H2O]·4H2O (DCTA = trans-cyclohexane-1,2-diyldinitrilotetraacetate) have been determined. In the structure the EuIII is co-ordinated by two nitrogen atoms and four terminal oxygen atoms of two iminodiacetate groups, and two water oxygen atoms which b…
Photophysical studies on the photochromism of trans-10b,10c-dimethyldihydropyrene showed that several transients, including the triplet excited state of the cyclophanediene, were observed.
The dc sputtering of indium tin oxide (ITO) is a high deposition rate process yielding a low-resistivity, high-transmission thin film that is useful to the display, photovoltaics, and optoelectronics industries. However, a number of deposition variables that are not typically controlled during sputtering, such as targ…
Atomistic computer simulation techniques have been employed to generate an amorphous SrO thin film on an MgO(100) substrate, which, under dynamics simulation, recrystallises revealing misfit induced structural modifications including mixed screw–edge dislocations, lattice slip and twist boundaries.
JNFL's Rokkasyo Reprocessing Plant (RRP) is under construction in Rokkasyo village Aomori prefecture, and it is required to select appropriate materials of equipment which possess high degree of corrosion resistance to process solutions based on nitric acid. In other existing reprocessing plants, some troubles caused…
The crystal structure of 2DBTZP·H2O [DBTZP = 2,6-bis(5-butyl-1,2,4-triazol-3-yl)pyridine] has been determined and shows a dimeric structure in which two ligands, with different protonation patterns, form four hydrogen bonds with an enclosed water molecule. Several crystal structures have been determined of lanthanide…
Histological and biochemical investigations were carried out in order to evaluate the chondrocyte compatibility of a recently developed biodegradable polyesterurethane-foam (DegraPol-foam). Therefore, cell adhesion, cell growth, and the preservation of chondrocyte phenotype was measured in rat xyphoid chondrocytes see…
In order to improve their adhesion to polyurethane adhesives, three unvulcanized block styrene-butadiene-styrene (SBS) rubbers with styrene contents between 33% and 55% were surface-treated with solutions of 2 wt% trichloro-isocyanuric acid (TCI) in ethyl acetate. The joint strength was estimated using T-peel tests an…
Three modifications of the sodium hydrogen sulphate (NaHSO4·H2O, A-NaHSO4, B-NaHSO4) have been prepared. Their vibrational spectra have been measured. The results are discussed in relation to the structures of crystals. The good agreement between the crystal structure, selection rules and vibrational spectra is observ…
The interaction between K atoms and the (110) rutile surface was analyzed by performing ab initio Hartree−Fock calculations and molecular dynamics simulations, demonstrating that the interaction is mainly electrostatic. The preferential sites of adsorption were determined, and the effect of the coverage was studied. O…