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Hokkaido University Collection of Scholarly and Academic Papers (53,914 recursos)
HUSCAP (Hokkaido University Collection of Scholarly and Academic Papers) contains peer-reviewed journal articles, proceedings, educational resources and any kind of scholarly works of Hokkaido University.

Mostrando recursos 81 - 100 de 1,169

81. An efficient synthesis of fluorocyclopentenes using fluoroalkylidenecarbenes - Guan, Tong; Takemura, Kohei; Senboku, Hisanori; Yoshida, Masanori; Hara, Shoji
An efficient synthesis of fluorocyclopentenes is described.

82. Characterization of char derived from various types of solid wastes from the standpoint of fuel recovery and pretreatment before landfilling - Hwang, I.H.; Matsuto, T.; Tanaka, N.; Sasaki, Y.; Tanaami, K.
Carbonization is a kind of pyrolysis process to produce char from organic materials under an inert atmosphere.

83. Improving the quality of waste-derived char by removing ash - Hwang, I. H.; Nakajima, D.; Matsuto, T.; Sugimoto, T.
This study characterized and removed ash from waste-derived char to improve the quality of char as fuel.

84. Characteristics of leachate from pyrolysis residue of sewage sludge - Hwang, I.H.; Ouchi, Y.; Matsuto, T.
The pyrolysis residue (SP) of sewage sludge (SS) produced at 500 .

85. Pretreatment of automobile shredder residue (ASR) for fuel utilization - Hwang, I.H.; Yokono, S.; Matsuto, T.
Composition analysis revealed that ASR components could be classified into four groups: (1) urethane and textile?light fraction and combustibles containing low levels of ash and Cl; (2) plastics and rubber?light or heavy fraction and combustibles containing high levels of Cl; (3) metals and electrical wire?heavy fraction and incombustibles, and (4) particles smaller under 5.6 mm with high ash contents.

86. Co-deposition of Al-Cr-Ni alloys using constant potential and potential pulse techniques in AlCl3-NaCl-KCl molten salt - Ueda, Mikito; Kigawa, Hirokuni; Ohtsuka, Toshiaki
To improve the oxidation resistance of TiAl intermetallic compound under high temperature condition, cathodic co-deposition of Al-Cr and Al-Ni alloy was carried out by constant potential control or potential pulse control in AlCl3-NaCl-KCl molten salt containing CrCl2 and/ or NiCl2 at 423 K.

87. Leaching behavior of arsenic from various rocks by controlling geochemical conditions - Igarashi, T.; Imagawa, H.; Uchiyama, H.; Asakura, K.
Therefore, As leaching from these rocks excavated during construction work may affect the surrounding soils and groundwater.

88. Encapsulation-release property of amphiphilic hyperbranched d-glucan as a unimolecular reverse micelle - Kitajyo, Yoshikazu; Imai, Tomoko; Sakai, Yoko; Tamaki, Masaki; Tani, Hirofumi; Takahashi, Kenji; Narumi, Atsushi; Kaga, Harumi; Kaneko, Noriaki; Satoh, Toshifumi; Kakuchi, Toyoji
The synthesis of a novel unimolecular reverse micelle, the hyperbranched d-glucan carbamate (3), was accomplished through the carbamation reaction of the hyperbranched d-glucan (1) with the N-carbonyl l-leucine ethyl ester (2) in pyridine at 100 °C.

89. A unimolecular nanocapsule : Encapsulation property of amphiphilic polymer based on hyperbranched polythreitol - Kitajyo, Yoshikazu; Nawa, Yumiko; Tamaki, Masaki; Tani, Hirofumi; Takahashi, Kenji; Kaga, Harumi; Satoh, Toshifumi; Kakuchi, Toyoji
Their encapsulation and release properties were also evaluated by comparison with the degree of substitution (DS) of the trityl groups, i.e., the hydrophobic shell density.

90. Liquid-vapor structure near heating surface at high heat flux in subcooled pool boiling - Ono, Ayako; Sakashita, Hiroto
Measurements were carried out for water boiling on an upward-facing copper surface under subcooling from 0 to 30 K.

91. Dielectric properties of Al-Si composite oxide films formed on electropolished and DC-etched aluminum by electrophoretic sol-gel coating and anodizing - Sunada, M.; Takahashi, H.; Kikuchi, T.; Sakairi, M.; Hirai, S.
Highly pure aluminum specimens (99.99%) after electropolishing and DC-etching were covered with SiO2 films by electrophoretic sol-gel coating and were anodized in neutral boric acid/borate solutions.

92. Improvement of Force Modulation Mode with Scanning Probe Microscopy for Imaging Viscoelasticity of Living Cells - Nagayama, Masafumi; Haga, Hisashi; Tanaka, Yoshio; Hirai, Yoshihiko; Kabuto, Masaaki; Kawabata, Kazushige
We improved the force modulation mode with scanning probe microscopy (SPM) in order to make a quantitative evaluation of the viscoelasticity of living cells.

93. Free-surface flows under impacting droplets - Watanabe, Yasunori; Saruwatari, Ayunii; Ingram, David M.
A numerical method which fulfils the free-surface boundary conditions and extrapolates the fluid velocity in to empty grid cells outside the fluid region on a fixed Cartesian grid system is presented.

94. Generation of ultrashort optical pulses using multiple coherent anti-Stokes Raman scattering in a crystal at room temperature - Matsubara, Eiichi; Sekikawa, Taro; Yamashita, Mikio
The signals up to the 20th order (470-800 nm) were generated by two crossing femtosecond Ti:sapphire laser pulses.

95. Estimating Nanoscale Deformation in Bone by X-ray Diffraction Imaging Method - Tadano, Shigeru; Giri, Bijay; Sato, Takuya; Fujisaki, Kazuhiro; Todoh, Masahiro
The widely applied approaches for profile shift measurement - peak-shift and full width at half maximum (FWHM) of a peak, and shift of centre of gravity of profile – were compared with a new concept of segmental-shift (SS) proposed previously by the authors.

96. Performance improvement in direct methanol fuel cells using a highly porous corrosion-resisting stainless steel flow field - Shudo, Toshio; Suzuki, Kensuke
Power generation with direct methanol fuel cell (DMFC) systems require only simple equipment, and has the important advantages of using a liquid fuel with higher energy density and easier handling characteristics than hydrogen.

97. Pulse radiolysis studies of the reactions of bromine atoms and dimethyl sulfoxide-bromine atom complexes with alcohols - Sumiyoshi, Takashi; Fujiyoshi, Ryoko; Katagiri, Miho; Sawamura, Sadashi
The rate constant for the reaction of bromine atoms with DMSO and the extinction coefficient of the complex were obtained to be 4.6×109 M?1 s?1 and 6300 M?1 cm?1 at the absorption maximum of 430 nm.

98. Reaction dynamics following electron capture of chlorofluorocarbon adsorbed on water cluster : a direct density functional theory molecular dynamics study - Tachikawa, Hiroto; Abe, Shigeaki
The CF2Cl2 molecule and a cyclic water trimer (H2O)3 were used as halocarbon and water cluster, respectively.

99. Development of an in vivo tissue-engineered, autologous heart valve (the biovalve) : preparation of a prototype model - Hayashida, Kyoko; Kanda, Keiichi; Yaku, Hitoshi; Ando, Joji; Nakayama, Yasuhide
Objective: This study aimed to develop an autologous heart valve without using traditional in vitro tissue-engineering methods, which necessitate complicated cell management protocols under exceptionally clean laboratory facilities.

100. Nonlinear optics in glasses : How can we analyze? - Tanaka, Keiji
Maximal optical nonlinearity obtainable in amorphous materials at telecommunication wavelengths of ?1.5 ?m is predicted.

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