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Yamashita, Ken-Ichiro,Nishikata, Shoji Journal of International Conference on Electrical 2012 Journal of international Conference on Electrical Vol.1 No.1
An electric power compensation system for a DC transmission system with an integrated wind turbine generator is proposed. The proposed compensation system consists of a synchronous generator and a duplex reactor. This apparatus is connected to the sending-end circuit of the DC transmission system. A set of steady-state equations of the system is first derived. Then, the effect of the duplex reactor, which can eliminate the sending-end grid current distortion due to commutation of the converter, is explored. The relationships among power at the sending-end circuit are also revealed. It is shown that fluctuations in the sending-end grid power due to changes in wind velocities are compensated with the proposed system. Finally, the effects of the sending-end grid conditions on the steady-state characteristics of the system are studied.
( Toshihiko Hata ),( Hiroyuki Sato ),( Ako Machino ),( Mai Wakabayashi ),( Morito Kise ),( Hiroki Ohashi ),( Daisuke Yamashita ),( Kaoru Sakural ),( Toru Matsubayashi ),( Masahiko Hatao ),( Ken Ueda ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
31yrs. old female known to have hypertension and dyslipidemia for 1 yr.presented with h/o weight loss around 10 kg for 1 yr,palpiations,diaphoresis and hypertensive urgencyBp 210/110 mmhg)and also found to have diabetes (newly diagnosed)further investigations shows large adrenal mass (left side)suspicion of phaechromocytoma and urine catecholamoines was high, urology was consulted and she underwent left adrenalectomy and biopsy confi rm the diagnosis of malignant phaechromcytoma. Repeat Urine catecholamines which was quite high on presentation later normalized after surgey. Now she is under active follow up with endocrinologist and on antihypertensive medications very minimal doses and for her diabetes she is not on any medications as well after surgery.
Shiro Oka,Hirosato Tamari,Takahiro Kotachi,Hajime Teshima,Junichi Mizuno,Motomitsu Fukuhara,Hidenori Tanaka,Akiyoshi Tsuboi,Ken Yamashita,Ryo Yuge,Yuji Urabe,Yasuhiko Kitadai,Koji Arihiro,Shinji Tanak 대한위암학회 2023 Journal of gastric cancer Vol.23 No.4
Purpose: Dental floss clip (DFC) traction-assisted endoscopic submucosal dissection (ESD) is widely performed owing to its simplicity. This study aimed to clarify the appropriate indications for the DFC traction method in early gastric cancer when ESD is performed by less-experienced endoscopists. Methods and Methods: We retrospectively analyzed 1,014 consecutive patients who had undergone gastric ESD performed by less-experienced endoscopists between January 2015 and December 2020. Gastric ESD was performed without DFC in all cases before December 2017 [DFC (−) group, 376 cases], and ESD was performed with DFC in all cases after January 2018 [DFC (+) group, 436 cases]. The procedure time and rates of en bloc resection, complete resection, and adverse events of the groups were compared. Results: The procedure time did not differ significantly between the 2 groups. However, when comparing lesions >20 mm, the procedure time in the DFC (+) group was significantly shorter than that in the DFC (−) group (95±46 vs. 75±31, P<0.01). The procedure time for lesions located in the greater curvature of the upper or middle stomach and lesions >20 mm located in the lesser curvature side of the stomach in the DFC (+) group was significantly shorter than that in the DFC (−) group. Conclusions: The indications for DFC during gastric ESD by less-experienced endoscopists include lesions located in the greater curvature of the upper or middle stomach, and lesions >20 mm located in the lesser curvature of the stomach.