Materials Literature
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This study examined the effect of medium density fiberboard (MDF) density and sorption state on the sorption isotherms and the effect of panel moisture content and density on the effective water conductivity and diffusion coefficient of MDF panels. A total of 39 laboratory-made MDF panels with dimensions 650 mm X 650…
Flame spray pyrolysis has been utilized in order to improve the photoluminescence (PL) intensity of blue-emitting phosphor particles for light emitting diode applications. When phosphor particles were prepared by conventional spray pyrolysis, the PL intensity was much lower than that of commercial phosphor particles.…
Templated sol–gel encapsulation of surfactant-stabilised micelles containing metal precursor(s) with ultra-thin porous silica coating allows solvent extraction of organic based stabiliser from the composites in colloidal state hence a new method of preparing supported alloy catalysts using the inorganic silica-stabili…
New crystal of glycine with lithium nitrate [(NN + 3CH 2 COO - )LiNO 3 ; GLiN] was discovered. It belongs to the space group Pl of the triclinic system. Its structure is different from that of the glycine-NaNO 3 crystal (GNaN). The Li 2 O 6 units can be distinguished in the GLiN crystal. They have a shape of two symme…
我々は、アルカリセルラーゼ、アルカリα-アミラーゼ、アルカリプロテアーゼの大規模生産を行い、衣料用コンパクト洗剤や漂白剤に利用してきた。初期に使用されてきた洗剤用酵素は、特に自動食器洗浄機中で使用される際には、酸化剤やキレート剤等の洗剤組成物によって簡単に失活し、また、熱に不安定であることが問題であった。我々は、好アルカリ性細菌 Bacillus sp. KSM-1378株が生産するアルカリ液化型α-アミラーゼAmyK(以前LAMYとして報告した)を見い出した。AmyKは今まで報告された他の産業用アミラーゼに比べ、アルカリpHで高い活性を示し、種々の界面活性剤に対して耐性を示した。しかしながら、AmyKはBacillus lich…
Hot dip Zn-Mg galvanized steel sheet having excellent corrosion resistance was developed aiming to elongate the life time of hot-dip galvanized steel sheet. This pre-coated steel sheet also revealed the customers cost down due to the reduction of post-dip galvanized process. It has excellent corrosion performance in v…
The atomic and electronic structures of the Al Σ=9 tilt grain boundary with segregated impurity atoms have been calculated by the first-principles pseudopotential method based on the local density functional theory. Effects of impurities of group I (Na), group II (Ca), group IV (Si) and group VI (S) have been examined…
The morphology, chemical composition, and crystal structure of aluminum anodized films formed in 85°C aqueous ammonium adipate electrolyte at various forming voltages (20-200 V) were investigated. The relationship between the microstructure and the electrochemical behavior of the anodized oxide film was also explored.…
Collagen is the most abundant protein among vertebrates and occurs in virtually all multicellular animals. Collagen molecules are classified into 21 different types and differ in their sequence, weight, structure, and function, but they can be broadly subdivided into families. Type IV, VI, VIII, X, and dogfish egg cas…
In this study, the use of thin Si interlayers (35–150 nm) for promoting diamond deposition onto steel is investigated. The diamond films are deposited by hot filament CVD onto AISI type 316 stainless and high-speed steels. Single stage deposition at substrate temperatures ranging from as low as 475 to 750 °C is found…
Amorphous selenium is one of the most promising candidates as photoconducting material for future imaging devices. It can exhibit ultra-high photosensitivity by using avalanche multiplication inside the solid. However, the requirement of high vacuum by the electron emitters prevents amorphous selenium from being a rea…
The synthesis of new photoswitchable dipyrrolylethenes having different π-conjugated chain lengths, employing Wittig–Horner reaction, Knoevenagel condensation, Suzuki palladium catalyzed cross-coupling or Sonogashira coupling, is reported. Their photochemical behaviour, and in particular, their thermal stability has b…
New anhydrous lead borate Pb 2 [B 5 O 9 ]Br (sp. gr. Pnn 2) was synthesized by the hydrothermal method. The second harmonic generation from polycrystalline samples of Pb 2 [B 5 O 9 ]Br is characterized by a higher signal than that observed in powdered LiB 3 O 5 . The crystal structure of the new hilgardite-group compo…
The texture evolution and mechanical anisotropy in an extruded AZ61 Mg alloy are examined. After warm extrusion, the alloy exhibits a refined grain structure and a strong basal texture. The tensile behaviors are examined in extruded specimens with the loading axis oriented at 0°, 45° and 90° to the extrusion direction…
Although an adhesive joint can distribute load over a larger area than a mechanical joint, requires no holes, adds very little weight to structures and has superior fatigue resistance, it requires careful surface preparation of adherends for reliable joining and low susceptibility to service environments. The load tra…
Models of relaxed plain-knit structures proposed by previous researchers suffer from the disadvantage of being based on the arbitrary assumption of some geometrical shape for the knitted loop or subjected to the forces and couples applied to one loop by its neighbors. The work in this series of theoretical studies dif…
Seven new complex salts trans-[RuII(NCS)(NH3)4(LA)][PF6]2 [LA = N-methyl-4,4′-bipyridinium (MeQ+) 1, N-methyl-2,7-diazapyrenium (Medap+) 2, N-methyl-4-[trans-2-(4-pyridyl)ethenyl]pyridinium (Mebpe+) 3, N-phenyl-4,4′-bipyridinium (PhQ+) 4, N-phenyl-4-[trans-2-(4-pyridyl)ethenyl]pyridinium (Phbpe+) 5, N-(4-acetylphenyl)…
This paper reviews the present interest in the use of functionalised nanoclays as additives for improving tensile properties and fire performance in fibre-forming polymers. However, evidence over the last three years suggests that, when present by themselves, they will not be able to fulfil all the required features o…
The mixed double-decker Eu[Pc(15C5)4](TPP) (1) was obtained by base-catalysed tetramerisation of 4,5-dicyanobenzo-15-crown-5 using the half-sandwich complex Eu(TPP)(acac) (acac = acetylacetonate), generated in situ, as the template. For comparative studies, the mixed triple-decker complexes Eu2[Pc(15C5)4](TPP)2 (2) an…
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