Materials Literature
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Poly(3-hydroxybutyrate-co-3-hydroxy-4-methylvalerate) (P(3HB-co-3H4MV)) was synthesized by using Ralstonia eutropha strain PHB(-)4 (PHA-negative mutant) harboring with the N149S/D171G double mutation of PHA synthase gene from Aeromonas caviae (PhaC(Ac) NSDG mutant) with 4-methylvaleric acid and fructose as the carbon…
Combination of the thermal effect in magnetic deflagration with resonance spin tunneling controlled by the dipole-dipole interaction in molecular magnets leads to the increase in the deflagration speed in the dipolar window near tunneling resonances, if a strong-enough transverse field is applied.
Dear Reader, The use of technological plasma, particularly the low power plasma regime, has significantly developed since the seminal book of H.K. Yasuda in 1985 (Plasma Polymerization, Academic Press, London). Interest in the past decade, driven by the convergence of technologies such as micro- and nano- with biology…
The hydrogen-bond system of pumpellyite, simplified formula W Ca 2 XY 2 Z Si 4 O 14- n (OH) n ( Z = 4), from Oberhalbstein, Grisons, Switzerland (OHS) and Cr-rich pumpellyite from Sarany, Ural, Russia (SAR) was studied using electron-microprobe analysis (EMPA), attenuated total reflection Fourier transformed infrared…
Abstract Thermoelectric nanowires have been predicted to have superior properties compared to their bulk counterparts due to quantum confinement. We present the synthesis of chalcogenide nanowires A 2 B 3 (A = Bi, Sb; B = S, Se, Te) and PbB (B = S, Se, Te) by electrochemical deposition into highly ordered porous Al 2…
Reactively sputtered zinc oxide thin films exhibit low crystalline order when deposited on unheated substrates. To improve the structural order, films are usually deposited onto heated substrates at temperatures of about 200–300 °C. Nevertheless, techniques that enable room temperature deposition of ZnO films with hig…
The electrical properties of (1 − x )Pb(Mg 1/3 Nb 2/3 )O 3 − x PbTiO 3 films with composition in the morphotropic phase boundary region around x = 0.35, submicrometre thickness and columnar microstructure, prepared on Si-based substrates by chemical solution deposition are presented and discussed in relation to the pr…
The crystal structures of eight tetragonal, gillespite-structured phases in the effenbergerite(BaCuSi4O10)–wesselsite (SrCuSi4O10) solid solution (Sr1− x Ba x CuSi4O10, where x is the mol fraction of the Ba end-member), have been refined from powder, neutron time-of-flight, diffraction data. The accommodation of the l…
Well‐developed placic horizons have been found in subalpine forest soils with large clay contents in Taiwan. We investigated their formation processes in five profiles in a subalpine ecosystem of northeastern Taiwan, using scanning electron microscopy (SEM), energy‐dispersive spectrometry (EDS), electron probe microan…
A mixture solidification model is employed to study the interaction between the melt flow and the growing mushy zone. The goal is to address the importance of considering the melt flow and flow pattern (laminar or turbulent) in the growing mushy zone. A simple 2D benchmark with parallel flow passing by/through a verti…
Abstract Novel aliphatic, random copolyesters, containing co‐units derived from a poly(alkylene dicarboxylate) and a poly(butylene 1,4‐cyclohexanedicarboxylate), have been synthesized and characterized in terms of molecular structure and thermal properties. In particular, the effects of the molar composition, the leng…
Low- and high-temperature heat capacities were measured for ternary series of synthetic, high structural state feldspars in the NaAlSi 3 O 8 –KAlSi 3 O 8 –CaAl 2 Si 2 O 8 system that had been characterised by X-ray diffraction and transmission light microscopy. The compositions of the phases lie in the NaAlSi 3 O 8 -r…
Abstract A series of thermotropic liquid crystalline aliphatic–aromatic copolyesters derived from various ratios of dodecane‐1,12‐diol ( 1 ), terephthaloyl bis‐(4‐oxybenzoyl‐chloride) ( 2 ), and 2‐(6‐oxido‐6H‐dibenz〈 c , e 〉〈1,2〉 oxaphosphorin‐6‐yl)‐1,4‐naphthalene diol ( 3 ), has been synthesized. The chemical struct…
AIMS: Bacterial cellulose is an extracellular polysaccharide secreted by Acetobacter xylinum, which has become a novel material increasingly used in food and medical industries. However, its broad application is limited by its low yield and high cost. 1-Methylcyclopropene (1-MCP) is a potent inhibitor to either exogen…
Cyclo[8]pyrrole was obtained efficiently when 3,3',4,4'-tetraethylbipyrrole was subjected to bulk electrolysis, with yields spanning a range from close to 0 % with tetra-n-butylammonium fluoride as the electrolyte, to almost 70 % when tetra-n-butylammonium hydrogensulfate was used for this purpose. These observations…
A superhydrophobic property was demonstrated on a cylindrical poly crystalline silicon nanoshell array due to its geometrical properties, even without a hydrophobic coating. The proposed structure showed superior water-repellency compared to a conventional pillar structure with an identical structural dimension. This…
Abstract In this study, simulations were conducted on a monolith reactor for the photodegradation of toluene and formaldehyde. The monoliths in the reactor were treated as porous zones and the photocatalytic oxidation occurring on the monolith surfaces was modeled using Langmuir–Hinshelwood kinetics. A discrete ordina…
The calculation of local absorption is very important in the context of lithography and in photo-detector design. We present a rigorous method for calculating the local absorption in periodic structures. The computation depends primarily on the calculation of the electric field inside the structure. Since the standard…
Various morphologies of polyaniline (PANI), such as microflakes stacked by 1D nanofiberes, porous microwebs, hemispheres, and nests piled by nanoparticles, were prepared through an ice-templating method, using different doping acids assisted by secondary solvent. The structure and morphology of these PANI were charact…
Abstract The effect of three different commercial cellulase treatments applied on softwood bleached kraft pulp before the refining step was studied. Disc refining was applied under similar conditions as usual in paper mills. Two cellulase treatments allowed an energy saving of 20% to reach a given drainage index or br…