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| 1 | Coexisting 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 | 2017 | Journal of Thermal Science2017,26,1: | 3 |
| 2 | A 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 | 2010 | World Journal of Gastrointestinal Surgery2010,2,8: | 2 |
| 3 | Delayed encephalopathy after carbon monoxide intoxication显示文摘 | Yuu Yamazaki Atsuo Yamada | 2008 | Internal Medicine2008,47,11: | 1 |
| 4 | Flow-Field Prediction and Experimental Verification of Low Reynolsd Number GasParticle Turbulent Jets 显示文摘 | Yuu S Ikeda K Umekage T | 1996 | A: Physicochemical and Engineering Aspects1996,109,: | 1 |
| 5 | Nonrandom 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 | 2005 | BMC Genomics2005,6,2: | 1 |
| 6 | Numerical Simulation of Air and Particle Motions in Bubbling Fluidized Bed of Small Particles显示文摘 | Yuu S Umekage T Johno Y | 2000 | Powder Technology2000,110,: | 1 |
| 7 | Ag 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 | 2004 | Journal of Catalysis2004,222,: | 1 |
| 8 | Collection of submicron particles in electro-flotation显示文摘 | Fukui Y Yuu S | 1980 | Chemical Engineering Science1980,35,5: | 1 |
| 9 | Numerical 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 | 2005 | ISU International2005,45,10: | 1 |
| 10 | Delayed Encephalopathy after Carbon Monoxide Intoxication显示文摘 | Yuu Yamazaki Atsuo Yamada | 2008 | Internal Medicine2008,47,: | 1 |
| 11 | Electrophoretic pattern of amylase isoenzymes in serum and urine of normal persons 显示文摘 | Otsuki M Saeki S Yuu H | 1976 | Clin Chem1976,22,: | 1 |
| 12 | Solid-phase dispersive extraction method for analysis of benzodiazepine drugs in serum and urine samples 显示文摘 | Saito Koichi Kikuchi Yuu Saito Rieko | 2014 | Journal of Pharmaceutical and Biomedical Analysis2014,100,: | 1 |
| 13 | Analgesic 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 | 1993 | Jpn Pharmacol Ther1993,21,: | 1 |
| 14 | A 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 | 2010 | Veterinary Immunologyand Immunopathology2010,135,12: | 1 |
| 15 | 显示文摘 | Junnichi I Masanori N Yuu N | 2002 | Am J Cardiol2002,89,: | 1 |
| 16 | Ultrasonic techniques for imaging and measurements in molten aluminum显示文摘 | Yuu Ono Jean-Francois Moisan Cheng-Kuei Jen | 2003 | IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control2003,50,12: | 1 |
| 17 | Risk 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 | 2002 | Am J Cardiol2002,89,6: | 1 |
| 18 | Update from Asia: Asian studies on cancer chemoprevention 显示文摘 | Taik Koo Yuu | 1999 | Annals of the New York Academy of Sciences1999,889,: | 1 |
| 19 | Numerical 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 | 2005 | ISIJ International (S0915-1559)2005,45,10: | 1 |
| 20 | Numerical 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 | 2005 | IS1J International2005,45,10: | 1 |