http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Kenji Kashima,Reiichiro Kawai 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
We propose an optimization approach to weak approximation of Levy-driven stochastic differential equations. We employ a mathematical progrmming framework to obtain numerically upper and lower bound estimates of the target expectation, where the optimization procedure ends up with a polynomial programming problem. An advantage of our approach is that all we need is a closed form of the Levy measure, not the exact simulation knowledge of the increments or of a shot noise representation for the time discretization approximation. Whe present numerical examples of the computation of the moments, as well as the European call option premium, of the Doleans-Dade exponential model.
Review : EUS-Guided Biliary Drainage
( Kenji Yamao ),( Kazuo Hara ),( Nobumasa Mizuno ),( Akira Sawaki ),( Susumu Hijioka ),( Yasumasa Niwa ),( Masahiro Tajika ),( Hiroki Kawai ),( Shinya Kondo ),( Yasuhiro Shimizu ),( Vikram Bhatia ) The Editorial Office of Gut and Liver 2010 Gut and Liver Vol.4 No.s1
Endoscopic ultrasonography (EUS) combines endoscopy and intraluminal ultrasonography, and allows imaging with a high-frequency transducer over a short distance to generate high-resolution ultrasonographic images. EUS is now a widely accepted modality for diagnosing pancreatobiliary diseases. EUS-guided fineneedle aspiration (EUS-FNA) using a curved linear- array echoendoscope was initially described more than 20 years ago, and since then many researchers have expanded its indications to sample diverse lesions and have also used it for various therapeutic purposes. EUS-guided biliary drainage (EUS-BD) is one of the therapeutic procedures that has been developed using a curved linear-array echoendoscope. Technically, EUS-BD includes rendezvous techniques via transesophageal, transgastric, and transduodenal routes, EUS-guided choledochoduodenostomy (EUS-CDS), and EUS-guided hepaticogastrostomy (EUS-HGS). Published data have demonstrated a high success rate, albeit with a comparatively high rate of nonfatal complications for EUS-CDS and EUS-HGS, and a comparatively low success rate with a low complication rate for the rendezvous technique. At present, these procedures represent an alternative to surgery or percutaneous transhepatic biliary drainage (PTBD) for patients with obstructive jaundice when endoscopic biliary drainage (EBD) has failed. However, these procedures should be performed in centers with extensive experience in linear EUS and therapeutic biliary ERCP. Large prospective studies are needed in the near future to establish standardized EUS-BD procedures as well as to perform controlled comparative trials between EUS-BD and PTBD, between rendezvous techniques and direct-access techniques (EUS-CDS and EUS-HGS), and between EBD and EUS-BD. (Gut Liver 2010;4(Suppl. 1):S67-75)
Makoto Kawai,Kenji Tateda,Yuma Ikeda,Ima Kosukegawa,Satoshi Nagoya,Masaki Katayose 대한고관절학회 2022 Hip and Pelvis Vol.34 No.1
Purpose: The aim of this study was to evaluate the short-term outcome of physiotherapy in patients with acetabular labral tears and to assess the effectiveness of physiotherapy according to the severity of the labral tear. Materials and Methods: Thirty-five patients who underwent physiotherapy for treatment of symptomatic acetabular labral tears were enrolled. We evaluated the severity of the acetabular labral tears, which were classified based on the Czerny classification system using 3-T MRI. Clinical findings of microinstability and extraarticular pathologies of the hip joint were also examined. The International Hip Outcome Tool 12 (iHOT12) was use for evaluation of outcome scores pre- and post-intervention. Results: The mean iHOT12 score showed significant improvement from 44.0 to 73.6 in 4.7 months. Compared with pre-intervention scores, significantly higher post-intervention iHOT12 scores were observed for Czerny stages I and II tears (all P<0.01). However, no significant difference was observed between pre-intervention and post-intervention iHOT12 scores for stage III tears (P=0.061). In addition, seven patients (20.0%) had positive microinstability findings and 22 patients (62.9%) had findings of extra-articular pathologies. Of the 35 patients, eight patients (22.9%) underwent surgical treatment after failure of conservative management; four of these patients had Czerny stage III tears. Conclusion: The iHOT12 score of patients with acetabular labral tears was significantly improved by physiotherapy in the short-term period. Improvement of the clinical score by physiotherapy may be poor in patients with severe acetabular labral tears. Determining the severity of acetabular labral tears can be useful in determining treatment strategies.
(Motoki Kondo),(Kenji Kawai),(Sung Ju Jung),(Syun Ichirou Oshima) 한국어병학회 2001 한국어병학회지 Vol.14 No.3
The antimicrobial activities of five chemotherapeutic agents against Flavobacterium psychrophilum were determined. Forty-seven strains of F. psychrophilum were isolated from 1995 to 2000 in Shiga. Wakayama and Tokushima Prefectures. Japan. The susceptibilities of the isolates to the five drugs were expressed as the minimum inhibitory concentration(MIC). The strains were sensitive to florfenicol(FF)and sulfisozole(SF), and were insensitive to oxytetracycline(OTC), oxolinic acid(OA) and sodium-nifurstyrenate(NFS). However a few strains were confirmed to be resistant to SF and FF.
Electrical Activation of Boron in Si Film Using Excimer Laser Annealing
Takashi Noguchi,Masateru Sato,Tomoyuki Miyahira,Kenji Kawai,Toshiharu Suzuki 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.1
After UV (ultra-violet) pulsed ELA (excimer laser annealing) for highly-boron doped Si films, the conductivity and the correlated crystallinity in the lm were evaluated by comparing them with the case of SPC (solid phase crystallization) in a furnace chamber at the temperature below 650 ℃. The sheet resistance decreases drastically with improving crystallinity by performing ELA. By optimizing the ELA conditions, ecient solidied activation after melting occurs and the Si film with a 50 nm thickness shows an extremely low sheet resistance of 50 ohm/□ at a dose of 5 × 10<SUP>15</SUP> cm<SUP>-2</SUP>. The analytical result from the Hall measurement suggests that the drastic activation after ELA is due to the high carrier concentration, which relates to the higher crystallinity. ELA activation for heavily-impurity-incorporated Si lms is eective not only for the formation of the source and the drain or the Si gate in CMOS (complementary metal oxide semiconductor) TFTs (thin-film transistors) but also for the electrode in pin photo-sensor diodes for SoP (system on panel) and solar cell applications.
Saki Kotaka,Eiji Kondo,Yosuke Kawai,Kota Okamoto,Yasuyuki Kishigami,Takaharu Yamawaki,Kenji Nagao,Toru Hirata,Shiro Suzuki 대한부인종양학회 2023 Journal of Gynecologic Oncology Vol.34 No.5
Objective: Bevacizumab maintenance therapy following platinum-based combination chemotherapy for metastatic, recurrent, or persistent cervical cancer is not recommended as standard therapy. This pilot study aimed to evaluate the efficacy and safety of bevacizumab maintenance therapy and the contribution of the platinum-free interval to the efficacy of subsequent chemotherapy for advanced cervical cancer. Methods: We retrospectively identified 115 patients with metastatic, recurrent, or persistent cervical cancer treated with platinum-paclitaxel chemotherapy plus bevacizumab at 7 institutions between 2015 and 2020. The primary endpoints were overall survival (OS) and progression-free survival (PFS) in patients who received bevacizumab maintenance therapy and those who did not. We also analyzed the adverse events associated with bevacizumab and survival time from the start of subsequent chemotherapy in both groups. Results: Following platinum-paclitaxel plus bevacizumab chemotherapy, 34 patients received bevacizumab maintenance therapy and 81 patients did not. Of the 115 patients, 56 received chemotherapy for subsequent relapse. Although bevacizumab maintenance therapy prolonged PFS (median of 16.0 months vs. 9.0 months, p=0.041), significant differences were not observed in OS (p=0.374). Furthermore, bevacizumab maintenance therapy did not prolong OS and PFS after the start of subsequent chemotherapy (p=0.663 and p=0.136, respectively). Bevacizumab maintenance therapy significantly increased hypertension (p=0.035) and proteinuria (p=0.005) but did not cause complications leading to death. Conclusion: Bevacizumab single-maintenance therapy for advanced cervical cancer can be considered in selected cases, such as those with acceptable bevacizumab-related side effects. The outcomes of our study will likely contribute to decision-making regarding practical treatment strategies.
STANDARD SPECIFICATION FOR CONCRETE STRUCTURES, -2001 “MAINTENANCE”
Toyoaki Miyagawa,Hidenori Morikawa,Nobuaki Otsuki,Ayaho Miyamoto,Kazuo Eguchi,Hidenori Hamada,Atsushi Hattori,Tetsuo Harada,Susumu Inoue,Yuichi Kaneko,Yasushi Kamihigashi,Kenji Kawai,Masaru Kawamura,Y 대한토목학회 2003 대한토목학회 학술대회 Vol.2003 No.10