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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 121 - 140 de 1,171

121. A Practical Synthetic Method for Iodoarene Difluorides without Fluorine Gas and Mercury Salts - Sawaguchi, Masanori; Ayuba, Shinichi; Hara, Shoji; ?, ??
Iodoarene difluorides were synthesized in three steps from the corresponding iodoarenes without the use of dangerous reagents such as fluorine gas or harmful mercury salts.

122. Effective Fluorination Reaction with Et3N•3HF Under Microwave Irradiation - Inagaki, Tomotake; Fukuhara, Tsuyoshi; Hara, Shoji; ?, ??
Fluorination reaction of epoxides and alkyl mesylates can beeffectively achieved by reaction with Et3N?3HFunder microwave irradiation.

123. Regioselective Synthesis ofFluorohydrines via SN2-Type Ring-Opening of Epoxideswith TBABF-KHF2 - Akiyama, Yuriko; Fukuhara, Tsuyoshi; Hara, Shoji; ?, ??
We found that the ring-opening fluorination of terminal epoxidesusing TBABF-KHF2 proceeds with high selectivity throughthe SN2 mechanism.

124. Fluorination of Ketones Using Iodotoluene Difluoride - Sato, Saeko; Yoshida, Masanori; Hara, Shoji; ?, ??
Fluorination of ketones was achieved by the reaction of silyl enol ethers with iodotoluene difluoride in the presence of BF3·OEt2 and a Et3N·HF complex.

125. ????????????????????????? - ?, ??; ???, ??; ??, ??; ???, ??; ??, ?; LI, Dejian; MITACHI, Toshiyuki; FUKUDA, Fumihiko; OKAWARA, Masafumi; KUDO, Yutaka

126. Differentiation of Human Bone Marrow Mesenchymal Stem Cells to Chondrocytes for Construction of Three-dimensional Cartilage Tissue - Matsuda, Chikayoshi; Takagi, Mutsumi; Hattori, Takako; Wakitani, Shigeyuki; Yoshida, Toshiomi; ??, ?
A differentiation method of human bone marrow mesenchymal stem cells (MSCs) to chondrocytes was developed for the construction of a three-dimensional (3D) cartilage tissue.

127. Effect of Subcultivation of Human Bone Marrow Mesenchymal Stem on their Capacities for Chondrogenesis, Supporting Hematopoiesis, and Telomea Length - Nakahara, Masaki; Takagi, Mutsumi; Hattori, Takako; Wakitani, Shigeyuki; Yoshida, Toshiomi; ??, ?
Effects of subcultivation of human bone marrow mesenchymal stem cells on their capacities for chondrogenesis and supporting hematopoiesis, and telomea length were investigated.

128. ?????????Sn-?In???????????? - ??, ??; ??, ??; ??, ??; ??, ??; MIZUNO, Hiroki; SUZUKI, Naoto; TANAKA, Junichi; NARITA, Toshio
It applied to power module solder joint using the Sn-low In system alloy, the heat-cycle test was carried out, and the thermal fatigue property was evaluated from the progress length of a crack.

129. Sn-Ag??????????????Al??????????????? - ??, ??; ??, ??; ??, ??; SUZUKI, Naoto; TANAKA, Junichi; NARITA, Toshio
We researched the effect of Al addition into Sn-Ag solder alloys.

130. Nonlinear propagation analysis of few-optical-cycle pulses for subfemtosecond compression and carrier envelope phase effect - Mizuta, Yo; Nagasawa, Minoru; Ohtani, Morimasa; Yamashita, Mikio; ??, ?
A numerical approach called Fourier direct method (FDM) is applied to nonlinear propagation of optical pulses with the central wavelength 800 nm, the width 2.67–12.00 fs, and the peak power 25–6870 kW in a fused-silica fiber.

131. "???"??????????"??"???????? - ??, ?
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139. ???????????????? - ??, ??; ??, ?
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