http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Akimoto, Seiji,Yamazaki, Iwao,Mimuro, Mamoru Korean Society of Photoscience 2002 Journal of Photosciences Vol.9 No.2
Fluorescence rise and decay curves of carotenoids were measured in solutions and in pigment protein complexes with a femtosecond time-resolved fluorescence spectroscopy. For linear carotenoids, the S$_2$ lifetimes showed the maximum value around n = 9-10. The conjugation of a keto-carbonyl group shortened the S$_2$lifetime and prolonged the S$_1$lifetime. The excitation relaxation dynamics within carotenoids and the excitation energy transfer kinetics from carotenoids to chlorophylls are discussed as a function of molecular structure of carotenoids.
Akamatsu, Hajime,Kato, Masayasu,Ochi, Sunao,Mimuro, Genki,Matsuoka, Jun-ichi,Takahashi, Mami The Korean Society of Plant Pathology 2019 Plant Pathology Journal Vol.35 No.3
Soybean cultivars susceptible to Phytophthora root and stem rot are vulnerable to seed rot and damping-off of seedlings and young plants following an infection by Phytophthora sojae. In this study, the disease responses of Japanese soybean cultivars including currently grown main cultivars during the early growth stages were investigated following infections by multiple P. sojae isolates from Japanese fields. The extent of the resistance to 17 P. sojae isolates after inoculations at 14, 21, and 28 days after seeding varied significantly among 18 Japanese and two US soybean cultivars. Moreover, the disease responses of each cultivar differed significantly depending on the P. sojae isolate and the plant age at inoculation. Additionally, the treatment of 'Nattosyo-ryu' seeds with three fungicidal agrochemicals provided significant protection from P. sojae when plants were inoculated at 14-28 days after seeding. These results indicate that none of the Japanese soybean cultivars are completely resistant to all tested P. sojae isolates during the first month after sowing. However, the severity of the disease was limited when plants were inoculated during the later growth stages. Furthermore, the protective effects of the tested agrochemicals were maintained for at least 28 days after the seed treatment. Japanese soybean cultivars susceptible to Phytophthora root and stem rot that are grown under environmental conditions favorable for P. sojae infections require the implementation of certain practices, such as seed treatments with appropriate agrochemicals, to ensure they are protected from P. sojae during the early part of the soybean growing season.
Hajime Akamatsu,Masayasu Kato,Sunao Ochi,Genki Mimuro,Jun-ichi Matsuoka,Mami Takahashi 한국식물병리학회 2019 Plant Pathology Journal Vol.35 No.3
Soybean cultivars susceptible to Phytophthora root and stem rot are vulnerable to seed rot and damping-off of seedlings and young plants following an infection by Phytophthora sojae. In this study, the disease responses of Japanese soybean cultivars including currently grown main cultivars during the early growth stages were investigated following infections by multiple P. sojae isolates from Japanese fields. The extent of the resistance to 17 P. sojae isolates after inoculations at 14, 21, and 28 days after seeding varied significantly among 18 Japanese and two US soybean cultivars. Moreover, the disease responses of each cultivar differed significantly depending on the P. sojae isolate and the plant age at inoculation. Additionally, the treatment of ‘Nattosyo-ryu’ seeds with three fungicidal agrochemicals provided significant protection from P. sojae when plants were inoculated at 14-28 days after seeding. These results indicate that none of the Japanese soybean cultivars are completely resistant to all tested P. sojae isolates during the first month after sowing. However, the severity of the disease was limited when plants were inoculated during the later growth stages. Furthermore, the protective effects of the tested agrochemicals were maintained for at least 28 days after the seed treatment. Japanese soybean cultivars susceptible to Phytophthora root and stem rot that are grown under environmental conditions favorable for P. sojae infections require the implementation of certain practices, such as seed treatments with appropriate agrochemicals, to ensure they are protected from P. sojae during the early part of the soybean growing season.
전동 조향 시스템을 위한 횡 외란 관측기를 갖는 견인 제어기의 설계
이재관(Jaekwan Lee),오오타 타카시(Takashi Ohta),미무로 테추시(Tetsushi Mimuro) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
The driver plans a path by preview and controls the lateral deviation of vehicle from the planned path via the<br/> steering wheel. However, the traveling vehicle is always affected by unknown lateral disturbances such as the<br/> gravitational force from lateral slope and the aerodynamics force from crosswind. This paper describes a design<br/> method of an observer to estimate the unknown lateral disturbances and an approach to realize a robust lateral<br/> control system that can stabilize lateral vehicle dynamics under such situations. Moreover, it is expected that the<br/> steering torque control of the pinion-type EPS(Electric Power Steering) in this paper provides some degree of<br/> freedom for allowing the driver to steer even during the control operation, thus offering the potential for the provision<br/> of a steering assist mechanism.
차선 유지 보조 시스템을 위한 조향 토크 제어기의 개발
이재관(Jaekwan Lee),오오타 타카시(Takashi Ohta),미무로 테추시(Tetsushi Mimuro) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
This paper introduces the lane keeping support system that maintains control stability preventing the vehicle from<br/> tracking a desired travel path. This system is not a class of fully automated driving system but a class of system for<br/> reducing the driver’s corrective steering effort. Moreover, since the driver holds the steering wheel with such strong<br/> restraining force that there is no deviation of the steering wheel angle in operating the vehicle, the system in our study<br/> is designed on the basis of steering torque as the control input for providing some degree of freedom on the driver’s<br/> steering behavior. This system consists of lateral position sensor (CCD camera unit), vehicle state sensors (steering<br/> wheel angle, yaw velocity and vehicle velocity), steering actuator (DC motor), display unit and main controller.
A Novel Chlorophyll d-containing Organism: Discovery and its Significance
Murakami, Akio,Kawai, Hiroshi,Adachi, Kyoko,Sakawa, Takahiro,Miyashita, Hideaki,Mimuro, Mamoru Korean Society of Photoscience 2002 Journal of Photosciences Vol.9 No.2
Chlorophyll (Chi) d was assigned to an antenna pigment of red algae in 1943, but its presence and function in red algae have not been necessarily clear for a long time. In 1996, it was shown that Chi d functioned as a major antenna pigment in a peculiar oxygenic photosynthetic prokaryote, Acaryochloris marina, isolated as a symbiont of a colonial ascidian from coral reefs. This finding evoked the necessity for reexamination of the presence and function of Chi d in red algae. We found Chi d in methanol-extract from several marine red algae, and the relative content was high in one species, Ahnfeltiopsis flabelliformis. Absorption and fluorescence spectra, HPLC analysis, and NMR and mass spectroscopy characterized Chi d extracted from the red algal thalli, and those were essentially identical to those of Chi d isolated from A. marina. However, micro-spectrophotometric analysis suggested that Chi d was not an actual constituent of the red algae but came from epiphyte(s) attached to surface of red algal thalli.