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Not Leather Boots but Dress Shoes: White-Collar Masculinity and the Far-Right Movement
Yoshida, Yutaka World Association for Triple Helix and Future Stra 2020 Journal of Contemporary Eastern Asia Vol.19 No.2
This paper investigates whether white-collar masculinity can play a role in the life of a far-right activist. The current study employs the methods of psychosocial analysis devised by Wendy Hollway and Tony Jefferson. Using the case of a Japanese far-right activist, it explores how the hegemony and decline of "salaryman masculinity" in Japan interacted with his life. It draws attention to the suffering of white-collar men in their struggle to comply with hegemonic masculinity. These men's suffering tends to be overlooked due to their stable socio-economic status, but it can potentially play a role in their investment in far-right discourse.
Oscillation Criteria for a Class of Parabolic Equations with Functional Arguments
Yutaka Shoukaku,Kusuo Kobayashi,Norio Yoshida 경북대학교 자연과학대학 수학과 2003 Kyungpook mathematical journal Vol.43 No.2
Parabolic equations with functional arguments are studied, and sufficient conditions are obtained for the oscillation of solutions of nonlinear parabolic equations. Our approach is to reduce the multi-dimensional problem to a one-dimensional problem for sublinear functional differential inequalities.
Yutaka Hara,Shohei Kogo,Katsuhiro Takagaki,Makoto Kawanishi,Takahiro Sumi,Shigeo Yoshida 한국유체기계학회 2017 International journal of fluid machinery and syste Vol.10 No.1
An objective of this study is to demonstrate the validity of using a small wind turbine to recover the fluid energy flowing out of an exhaust duct for the generation of power. In these experiments, a butterfly wind turbine of a vertical axis type (D = 0.4 m) is used. The output performance is measured at various locations relative to the exit of a small wind tunnel (W = 0.65 m), representing the performance expected in an exhaust duct flow. Two-dimensional numerical analysis qualitatively agrees with the experimental results for the wind turbine power coefficient and rate of energy recovery. When the turbine is far from the duct exit (more than 2.5 D), an energy recovery rate of approximately 1.3% is obtained.
Prognostic factors of synchronous endometrial and ovarian endometrioid carcinoma
Yutaka Yoneoka,Hiroshi Yoshida,Mitsuya Ishikawa,Hanako Shimizu,Takashi Uehara,Takashi Murakami,Tomoyasu Kato 대한부인종양학회 2019 Journal of Gynecologic Oncology Vol.30 No.1
Objective: Gynecologists occasionally encounter synchronous endometrial and ovarian endometrioid carcinoma (SEO-EC) patients who show favorable prognosis than locally advanced or metastatic disease patients. This study aimed to elucidate prognostic factors of SEO-EC and identify patients who have a sufficiently low risk of recurrence without receiving adjuvant chemotherapy. Methods: We retrospectively reviewed 46 patients with pathologically confirmed SEO-EC who underwent surgery at the National Cancer Center Hospital between 1997 and 2016. Immunohistochemical evaluation of DNA mismatch repair (MMR) protein expression were performed for both endometrial and ovarian tumors. Patient outcomes were analyzed according to clinicopathologic factors. Results: From the multivariate analysis, cervical stromal invasion indicated a worse prognosis for progression-free survival (hazard ratio [HR]=6.85; 95% confidence interval [CI]=1.50–31.1) and overall survival (HR=6.95; 95% CI=1.15–41.8). Lymph node metastasis and peritoneal dissemination did not significantly affect survival. MMR deficiency was observed in 13 patients (28.3%), with both endometrial and ovarian tumors showing the same MMR expression status. MMR deficiency was not significantly associated with survival. Of 23 patients with lesions confined to only the uterine body and adnexa, only 2 had recurrence in the group receiving adjuvant therapy, while none of the 10 patients who did not receive adjuvant therapy had recurrence. Conclusion: SEO-EC patients with tumors localized to the uterine body and adnexa lesions had a low risk for recurrence and may not require adjuvant therapy. SEO-EC may have prognostic factors different from those of endometrial and ovarian cancer.
Yoshida-Ohuchi, Hiroko,Kanagami, Takashi,Naitoh, Yutaka,Kameyama, Mizuki,Hosoda, Masahiro The Korean Association for Radiation Protection 2017 방사선방어학회지 Vol.42 No.1
Background: One of the most urgent issues following the accident at the Fukushima Daiichi nuclear power plant (FDNPP) was the remediation of the land, in particular, for residential area contaminated by the radioactive materials discharged. In this study, the effect of decontamination on reduction of ambient dose equivalent outdoors and indoors was evaluated. The latter is essential for residents as most individuals spend a large portion of their time indoors. Materials and Methods: From December 2012 to November 2014, thirty-seven Japanese single-family detached wooden houses were investigated before and after decontamination in evacuation zones. Outdoor and indoor dose measurements (n = 84 and 114, respectively) were collected based on in situ measurements using the NaI (Tl) scintillation surveymeter. Results and Discussion: The outdoor ambient dose equivalents [$H^*(10)_{out}$] ranged from 0.61 to $3.71{\mu}Sv\;h^{-1}$ and from 0.23 to $1.32{\mu}Sv\;h^{-1}$ before and after decontamination, respectively. The indoor ambient dose equivalents [$H^*(10)_{in}$] ranged from 0.29 to $2.53{\mu}Sv\;h^{-1}$ and from 0.16 to $1.22{\mu}Sv\;h^{-1}$ before and after decontamination, respectively. The values of reduction efficiency (RE), defined as the ratio by which the radiation dose has been reduced via decontamination, were evaluated as $0.47{\pm}0.13$, $0.51{\pm}0.13$, and $0.58{\pm}0.08$ ($average{\pm}{\sigma}$) when $H^*(10)_{out}$ < $1.0{\mu}Sv\;h^{-1}$, $1.0{\mu}Sv\;h^{-1}$ < $H^*(10)_{out}$ < $2.0{\mu}Sv\;h^{-1}$, and $2.0{\mu}Sv\;h^{-1}$ < $H^*(10)_{out}$, respectively, indicating the values of RE increased as $H^*(10)_{out}$ increased. It was found that the values of RE were $0.53{\pm}0.12$ outdoors and $0.41{\pm}0.09$ indoors, respectively, indicating RE was larger outdoors than indoors. Conclusion: Indoor dose is essential as most individuals spend a large portion of their time indoors. The difference between outdoors and indoors should be considered carefully in order to estimate residents' exposure dose before their returning home.
Endocuff-Assisted versus Cap-Assisted Colonoscopy Performed by Trainees: A Retrospective Study
Yutaka Okagawa,Tetsuya Sumiyoshi,Yusuke Tomita,Shutaro Oiwa,Fumihiro Ogata,Takashi Jin,Masahiro Yoshida,Ryoji Fujii,Takeyoshi Minagawa,Kohtaro Morita,Hideyuki Ihara,Michiaki Hirayama,Hitoshi Kondo 대한소화기내시경학회 2020 Clinical Endoscopy Vol.53 No.3
Background/Aims: The adenoma detection rate (ADR) of screening colonoscopies performed by trainees is often lower than thatof colonoscopies performed by experts. The effcacy of cap-assisted colonoscopy (CAC) in adenoma detection is well documented,especially that of CACs performed by trainees. Endocuff, a new endoscopic cap, is reportedly useful for adenoma detection; however,no trials have compared the effcacy of Endocuff-assisted colonoscopy (EAC) and CAC conducted by trainees. Therefore, the presentstudy retrospectively compared the effcacy between EAC and CAC in trainees. Methods: This was a single-center, retrospective study involving 305 patients who underwent either EAC or CAC performed by threetrainees between January and December 2018. We evaluated the ADR, mean number of adenomas detected per patient (MAP), cecalintubation rate, cecal intubation time, and occurrence of complications between the EAC and CAC groups. Results: The ADR was significantly higher in the EAC group than in the CAC group (54.3% vs. 37.3%, p=0.019), as was the MAP (1.36vs. 0.74, p=0.003). No significant differences were found between the groups with respect to the cecal intubation rate or cecal intubationtime. No major complications occurred in either group. Conclusions: Our results suggest that EAC exhibits increased ADR and MAP compared to CAC when performed by trainees.
Naohisa Yoshida,Osamu Dohi,Ken Inoue,Ritsu Yasuda,Takaaki Murakami,Ryohei Hirose,Ken Inoue,Yuji Naito,Yutaka Inada,Kiyoshi Ogiso,Yukiko Morinaga,Mitsuo Kishimoto,Rafiz Abdul Rani,Yoshito Itoh 거트앤리버 소화기연관학회협의회 2019 Gut and Liver Vol.13 No.2
A laser endoscopy system was developed in 2012. The system allows blue laser imaging (BLI), BLI-bright, and linked color imaging (LCI) to be performed as modes of narrowband light observation; these modes have been reported to be useful for tumor detection and characterization. Furthermore, an innovative endoscopy system using four-light emitting diode (LED) multilight technology was released in 2016 to 2017 in some areas in which laser endoscopes have not been approved for use, including the United States and Europe. This system enables blue light imaging (this is also known as BLI) and LCI with an LED light source instead of a laser light source. Several reports have shown that these modes have improved tumor detection. In this paper, we review the efficacy of BLI and LCI with laser and LED endoscopes in tumor detection and characterization.
Development of a Brain-Computer Interface using Steady State Visual Evoked Potential
Yoshiaki YOSHIDA,Junichi USHIBA,Yutaka TOMITA 대한인간공학회 2007 대한인간공학회 학술대회논문집 Vol.- No.-
Visual Evoked Potential (VEP) is a damped oscillation-like reaction brain wave obtained from a cerebrum vision field by visual stimulation lasting almost one second. VEP is divided into two categories. One is a transient VEP (t-VEP) observed with low stimulation cycle, and the other is a steady-state VEP (ss-VEP) observed with high stimulation cycle. The former is the reaction wave for every stimulus, while the latter is the fused waveform of t-VEPs, and observed as sinusoid. Since ss-VEP is known to synchronize with the stimulation wave, from the brain wave we can decide the illumination frequency. This study aims the development of a device, which can recognize the LED at which patient gazes, when several light emitting diodes (LEDs) illuminating with different driving frequencies. By assigning the LEDs to specific functions, such as calling caregivers, opening/closing a curtain, ON/OFF of TV set, our device can work as an input part of an environment control system for quadriplegic patients. Our device records brain wave from electrodes mounted on ear pads and nose pads of an eyeglass frame, rather than from electrodes on vision cortex, while the SNR was much smaller than vision cortex lead. In order to overcome the less SNR signal processing was employed. The measured brain wave with eyeglass frame electrodes was analyzed with FFT and Autoregressive-model estimate, and we could identify the light source that the patients stared.