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Hokkaido University Collection of Scholarly and Academic Papers (54,191 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 61 - 80 de 1,171

61. Degradation of pentachlorophenol in contaminated soil suspensions by potassium monopersulfate catalyzed oxidation by a supramolecular complex between tetra(p-sulfophenyl)porphineiron(III) and hydroxypropyl-?-cyclodextrin. - Fukushima, Masami; Tatsumi, Kenji; ??, ??
To enhance the catalytic oxidation of pentachlorophenol (PCP) in contaminated soil suspensions using tetra(p-sulfophenyl)porphineiron(III) (Fe(III)-TPPS) as a catalyst and potassium monopersulfate (KHSO5) as the single-oxygen donor, the effect of added hydroxypropyl-?-cyclodextrin (HP-?-CD) was examined.

62. Smallest (?10nm) phase-change marks in amorphous and crystalline Ge2Sb2Te5 films - Tanaka, Keiji; ??, ??
Electrical nano-scale crystallization and amorphization in amorphous and crystalline Ge2Sb2Te5 films have been studied using scanning probe microscopes.

63. Development of three-electrode type micro-electrochemical reactor on anodized aluminum with photon rupture and electrochemistry - Sakairi, Masatoshi; Yamada, Masashi; Kikuchi, Tastuya; Takahashi, Hideaki
Photon rupture with a focused single pulse of pulsed YAG-laser irradiation was used to fabricate an aluminum electrochemical micro-reactor.

64. Deuterium retention and desorption behavior in oxidized ferritic steel - Yamauchi, Y.; Hirohata, Y.; Hino, T.
Deuterium retention and desorption behavior in the oxidized F82H ferritic steel were investigated.

65. Arsenic intake via water and food by a population living in an arsenic-affected area of Bangladesh - Ohno, Koichi; Yanase, Tatsuya; Matsuo, Yuki; Kimura, Tetsuro; Rahman, M. Hamidur; Magara, Yasumoto; Matsui, Yoshihiko
More and more people in Bangladesh have recently become aware of the risk of drinking arsenic-contaminated groundwater, and have been trying to obtain drinking water from less arsenic-contaminated sources.

66. The effect of counter anions on corrosion resistance of steel covered by bi-layered polypyrrole film - Kowalski, Damian; Ueda, Mikito; Ohtsuka, Toshiaki
The bi-layered polypyrrole (PPy) coatings were investigated for corrosion prevention of a carbon steel.

67. The effect of dissipation on quantum transmission resonance - Konno, Kohkichi; Nishida, Munehiro; Tanda, Satoshi; Hatakenaka, Noriyuki
Quantum transmissions of a free particle passing through a rectangular potential barrier with dissipation are studied using a path decomposition technique.

68. Helium gas permeability of SiC/SiC composite after heat cycles - Hino, T.; Hayashishita, E.; Kohyama, A.; Yamauchi, Y.; Hirohata, Y.
In a blanket made of SiC/SiC composite, helium gas employed as coolant may leak into plasma, resulting in fuel dilution.

69. Anomalous mode, elastic constants and phonon images in CaWO4 - Hayasaka, K.; Higashi, R.; Suda, J.; Tanaka, Y.; Tamura, S.; Giltrow, M.; Wigmored, J. K.
Stimulated by the “anomalous mode” observed in the time-of-flight measurement of phonon signals [J.K.

70. Structure of the carbon nanofilaments formed by liquid phase carbonization in porous anodic alumina template - Habazaki, H.; Kiriu, M.; Hayashi, M.; Konno, H.
Platelet structure carbon nanofilaments of ?30 nm in diameter have been prepared by heating a mixture of porous anodic alumina template and poly(vinyl)chloride (PVC) powders in an argon atmosphere, and the change in their structure and morphology with heat treatment temperature, ranging from 600 to 2800 °C, has been examined using X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and nitrogen gas adsorption measurements.

71. Carrier-microencapsulation for preventing pyrite oxidation - Satur, Jacqueline; Hiroyoshi, Naoki; Tsunekawa, Masami; Ito, Mayumi; Okamoto, Hideyuki
The oxidation of pyrite causes the formation of acid mine drainage polluted by heavy metals.

72. 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.

73. 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.

74. 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 .

75. 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.

76. Hydrogen as an ignition-controlling agent for HCCI combustion engine by suppressing the low-temperature oxidation - Shudo, Toshio; Yamada, Hiroyuki
Homogeneous charge compression ignition (HCCI) combustion enables internal combustion engines to achieve higher thermal efficiency and lower NOx emission than with conventional combustion systems.

77. Stereoselective synthesis of 4-fluoro-1,3-alkadienylboronates and their application in the stereoselective synthesis of fluoropolyenes - Sakai, Miho; Guan, Tong; Hara, Shoji
(1E,3E)- and (1E,3Z)-4-fluoro-1,3-alkadienylboronates were stereoselectively prepared by the Heck-reaction of a vinylboronate with (E)- or (Z)-2-fluoro-1-alkenyliodonium salts, and applied to the Suzuki–Miyaura coupling reaction for the synthesis of fluoropolyenes.

78. An Ir/WO3 catalyst for selective reduction of NO with CO in the presence of O2 and/or SO2 - Inomata, Hironori; Shimokawabe, Masahide; Arai, Masahiko
The catalytic performance of Ir/WO3 catalyst has been studied in the reduction of NO with CO in the presence of O2 and/or SO2.

79. Selective mono-fluorination of diols via a cyclic acetal of N,N-diethyl-4-methoxybenzamide - Suwada, Mitsuhiro; Fukuhara, Tsuyoshi; Hara, Shoji
Selective mono-fluorination of 1,2- and 1,3- diols was achieved using N,N-diethyl-4-methoxybenzamide diethyl acetal and Et3N-3HF.

80. Improving thermal efficiency by reducing cooling losses in hydrogen combustion engines - Shudo, Toshio
Because of this cooling loss, the thermal efficiency of hydrogen-fueled engines is sometimes lower than that of conventionally fueled engines.

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