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    题名 作者 年代 出处 被引量
1Coexisting State of Surge and Rotating Stall in a Two-Stage Axial Flow Com-pressor using a Double-Phase-Locked Averaging Technique显示文摘The interaction between surge and rotating stall in an axial flow compressor was investigated from the viewpoint of an unsteady inner flow structure. The aim of this study was to identify the key factor that determines the switching phenomenon of a surge cycle. The main feature of the tested compressor is a shock tube connected in series to the compressor outlet through a diaphragm, slits, and a concentric duplex pipe: this system allows surge and rotating stall to be generated by connecting the shock tube with the compressor, or enables the compression plane wave injection. The unsteady characteristics and the internal flow velocity fluctuations were measured in detail, and the stall cell structure was averaged and visualized along the movement of the operation point under a coexisting state of surge. A coefficient of the cell scale fluctuation was calculated using the result of the averaging, and it confirmed that the processes of inner flow structure change differed from each other according to the next cycle of the surge. The result suggests that the key factor that determines the next cycle is the transformation of the internal flow structure, particularly between the stall cell and the entire circumferential stall, in both the recovering and stalling processes.Yuu SAKATA Yutaka OHTA 2017Journal of Thermal Science2017,26,1:3
2A standardized technique for safe pancreaticojejunostomy:Pair-Watch suturing technique显示文摘AIM:To prevent pancreatic leakage after pancreaticoje-junostomy,we designed a new standardized technique that we term the 'Pair-Watch suturing technique'.METHODS:Before anastomosis,we imagine the faces of a pair of watches on the jejunal hole and pancreatic duct.The first stitch was put between 9 o'clock of the pancreatic side and 3 o'clock of the jejunal side,and a total of 7 stitches were put on the posterior wall,followed by the 5 stitches on the anterior wall.Using this technique,twelve stitches can be sutured on the first layer anastomosis regardless of the caliber of the pancreatic duct.In all cases the amylase activity of the drain were measured.A postoperative pancreatic fistula was diagnosed using postoperative pancreatic fistula grading.RESULTS:From March 2007 to July 2008,29 consecutive cases underwent pancreaticojejunostomy using this technique.Pathologic examination results showed pancreatic carcinoma(n=14),intraductal papillary-mucinous neoplasm(n=10),intraductal papillary-mucinous carcinoma(n=1),carcinoma of ampulla of Vater(n=1),carcinoma of extrahepatic bile duct(n=1),metastasis of renal cell carcinoma(n=1),and duodenal carcinoma(n=1).Pancreaticojejunal anastomoses using this technique were all watertight during the surgical procedure.The mean diameter of main pancreatic duct was 3.4 mm(range 2-7 mm).Three patients were recognized as having an amylase level greater than 3 times the serum amylase level,but all of them were diagnosed as grade A postoperative pancreatic fistula grading and required no treatment.None of the cases developed complications such as hemorrhage,abdominal abscess,and pulmonary infection.There was no postoperative mortality.CONCLUSION:Our technique is less complicated than other methods and very secure,providing reliable anastomosis for any size of pancreatic duct.Yoshinori Azumi Shuji Isaji Hiroyuki Kato Yuu Nobuoka Naohisa Kuriyama Masashi Kishiwada Takashi Hamada Shugo Mizuno Masanobu Usui Hiroyuki Sakurai Masami Tabata 2010World Journal of Gastrointestinal Surgery2010,2,8:2
3Delayed encephalopathy after carbon monoxide intoxication显示文摘Yuu Yamazaki Atsuo Yamada 2008Internal Medicine2008,47,11:1
4Flow-Field Prediction and Experimental Verification of Low Reynolsd Number GasParticle Turbulent Jets 显示文摘Yuu S Ikeda K Umekage T 1996A: Physicochemical and Engineering Aspects1996,109,:1
5Nonrandom distribution and frequencies of genomic and EST-derived microsatellite markers in rice,wheat and barley显示文摘ROTA L R KANTETY R V YUu J K 2005BMC Genomics2005,6,2:1
6Numerical Simulation of Air and Particle Motions in Bubbling Fluidized Bed of Small Particles显示文摘Yuu S Umekage T Johno Y 2000Powder Technology2000,110,:1
7Ag cluster as active species for SCR of NO by propane in the presence of hydrogen over Ag-MFI显示文摘Junji Shibata Yuu Takada Akira Shichi 2004Journal of Catalysis2004,222,:1
8Collection of submicron particles in electro-flotation显示文摘Fukui Y Yuu S 1980Chemical Engineering Science1980,35,5:1
9Numerical simulation of blast furnace raceway depth and height, and effect of wall cohesive matter on gas and coke particle flows显示文摘UMEKAGE T YUU S KADOWAKI M 2005ISU International2005,45,10:1
10Delayed Encephalopathy after Carbon Monoxide Intoxication显示文摘Yuu Yamazaki Atsuo Yamada 2008Internal Medicine2008,47,:1
11Electrophoretic pattern of amylase isoenzymes in serum and urine of normal persons 显示文摘Otsuki M Saeki S Yuu H 1976Clin Chem1976,22,:1
12Solid-phase dispersive extraction method for analysis of benzodiazepine drugs in serum and urine samples 显示文摘Saito Koichi Kikuchi Yuu Saito Rieko 2014Journal of Pharmaceutical and Biomedical Analysis2014,100,:1
13Analgesic Effect of High Molecular Weight Sodium Hyaluronate (SL-1010) on Bradykinin-induced Knee Pain in Beagles 显示文摘Noritsugu S Yuu M Funio M 1993Jpn Pharmacol Ther1993,21,:1
14A specific induction of interleukin--10 by the Map41 recombinant PPE antigen of Mycobactcrium avium subsp, paratuberculos显示文摘Reiko N Satoko K Yuu M 2010Veterinary Immunologyand Immunopathology2010,135,12:1
15显示文摘Junnichi I Masanori N Yuu N 2002Am J Cardiol2002,89,:1
16Ultrasonic techniques for imaging and measurements in molten aluminum显示文摘Yuu Ono Jean-Francois Moisan Cheng-Kuei Jen 2003IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control2003,50,12:1
17Risk stratification using a combination of cardiac troponin T and brain natriuretic peptide in patients hospitalized for worsening chronic heartfailure显示文摘Junnichi l Masanori N Yuu N 2002Am J Cardiol2002,89,6:1
18Update from Asia: Asian studies on cancer chemoprevention 显示文摘Taik Koo Yuu 1999Annals of the New York Academy of Sciences1999,889,:1
19Numerical Simulation of Blast Furnace Raceway Depth and Height, and Effect of Wall Cohesive Matter on Gas and Coke Particle Flows 显示文摘Umekage T Yuu S Kadowaki M 2005ISIJ International (S0915-1559)2005,45,10:1
20Numerical Simulation of Blast Fm'uace Raceway Depth and Height, and Effect of Wall Cohesive Matter on Gas and Coke Particle Flows 显示文摘Toshihiko Umekage Stlinichi Yuu 2005IS1J International2005,45,10:1
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