Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Toshiro Hayakawa"'
Autor:
Miya Ishihara, Hiroyasu Ishii, Dai Murakoshi, Kaku Irisawa, Kazuhiro Hirota, Kenji Itoh, Atsushi Hashimoto, Tetsurou Ebata, Takatsugu Wada, Toshiro Hayakawa
Publikováno v:
Photons Plus Ultrasound: Imaging and Sensing 2018.
Photoacoustic (PA) imaging technology is expected to be applied to clinical assessment for peripheral vascularity. We started a clinical evaluation with the prototype PA imaging system we recently developed. Prototype PA imaging system was composed w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::798f34fdc8f5862968871dd70972f1fa
https://doi.org/10.1117/12.2286835
https://doi.org/10.1117/12.2286835
Publikováno v:
SPIE Proceedings.
PhotoAcoustic (PA) imaging is a promising imaging method using the pulsed-laser light source and ultrasound detector. PA image shows the features of optical contrast in biological tissue with ultrasound-like depth and resolution. In the human body, H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec3d638a8a2de97d625c5bcba1637f82
https://doi.org/10.1117/12.2277440
https://doi.org/10.1117/12.2277440
Publikováno v:
Photons Plus Ultrasound: Imaging and Sensing 2017.
Visualization of the tip of medical devices like needles or catheters under ultrasound imaging has been a continuous topic since the early 1980’s. In this study, a needle tip visualization system utilizing photoacoustic effects is proposed. In orde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61d1c6474a223fb5269ec21b3ed5e080
https://doi.org/10.1117/12.2253806
https://doi.org/10.1117/12.2253806
Autor:
Kazuhiro Hirota, Kenji Itoh, Naoki Otani, Takatsugu Wada, Dai Murakoshi, Takuji Tada, Ryuichi Azuma, Miya Ishihara, Atsushi Hashimoto, Toshiro Hayakawa, Hiroyasu Ishii, Kaku Irisawa
Publikováno v:
SPIE Proceedings.
One of the features of photoacoustic (PA) imaging is small-vessel visualization realized without injection of a contrast agent or exposure to X-rays. For carrying out clinical studies in this field, a prototype PA imaging system has been developed. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eca10bd90a72be564eb1e067e258dd57
https://doi.org/10.1117/12.2211352
https://doi.org/10.1117/12.2211352
Publikováno v:
Electronics and Communications in Japan. 92:13-19
Requirements for laser diodes used in plastic optical fiber (POF) data links include such features as stable operation for more than 100,000 h at 60 °C and 5 mW and transmission speed greater than 1 Gbps. By optimizing crystal growth conditions and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ec05760b0b4d22162decf10f8f214b4
https://doi.org/10.1002/ecj.10194
https://doi.org/10.1002/ecj.10194
Autor:
Toshiki Ishikawa, Toshiro Hayakawa, Hitoshi Takahashi, Hidetaka Hori, K. Takita, Keiichi Okazaki, Toshiaki Mitsui, M. Kaido, Kimiko Itoh
Publikováno v:
Journal of Phytopathology. 154:156-162
Plasmodiophora brassicae causes clubroot in the turnip, Brassica rapa L. We used organ cultures of adventitious roots from B. rapa seedlings to investigate the initial response of resistant and susceptible cultivars to P. brassicae infection. Primary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01563d2207d37cb9c04266639df40b48
https://doi.org/10.1111/j.1439-0434.2006.01076.x
https://doi.org/10.1111/j.1439-0434.2006.01076.x
Publikováno v:
Electrical Engineering in Japan. 158:53-59
We report high-power technologies in 0.8-µm Al-free InGaAsP/InGaP laser diodes. To realize the high-power operation, the improvement of catastrophic optical mirror damage (COMD) power density level is required. In addition to the use of low surface
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67c49e021b9d2522ba8837f0baf38d0b
https://doi.org/10.1002/eej.20286
https://doi.org/10.1002/eej.20286
Publikováno v:
Bioscience, Biotechnology, and Biochemistry. 65:2561-2564
Changes in activity of RNA-degrading enzyme and amounts of phosphorus in mycelia and culture filtrate during Pi-sufficient and -deficient cultures of Pholiota nameko were investigated. The results showed that the intracellular and extracellular activ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8c43e83a04342536f8063878520bcce
https://doi.org/10.1271/bbb.65.2561
https://doi.org/10.1271/bbb.65.2561
Autor:
Toshiro Hayakawa
Publikováno v:
The Review of Laser Engineering. 28:203-208
Basic technology and its progress in broad-area high power laser diodes are reviewed. Brief overview of research history and overall technology have been presented. Recent progress of Al-free active region lasers and broad waveguide structure in our
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1186ca7c67b9e89b12f7534b657038d
https://doi.org/10.2184/lsj.28.203
https://doi.org/10.2184/lsj.28.203
Publikováno v:
NIPPON SHOKUHIN KAGAKU KOGAKU KAISHI. 46:51-58
米菓製造工程産物及び米菓製造模擬工程産物の熱分析(示差走査熱量測定)を行い,米菓製造工程とその工程中に生じている糊化・老化澱粉ゲルの挙動を次のステップで解析した.(1) 実際の
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04a9a8e3ea2a1ff78137d6570ce891b4
https://doi.org/10.3136/nskkk.46.51
https://doi.org/10.3136/nskkk.46.51