oalib

Publish in OALib Journal

ISSN: 2333-9721

APC: Only $99

Submit

Search Results: 1 - 10 of 60 matches for " Tsuzuki "
All listed articles are free for downloading (OA Articles)
Page 1 /60
Display every page Item
Comparison between Numerical and Experimental for UVP Measurement in Double Bent Pipe with Out-of-Plane Angle  [PDF]
Nobuyoshi Tsuzuki, Treenuson Weerachon, Hiroshige Kikura
Journal of Flow Control, Measurement & Visualization (JFCMV) , 2014, DOI: 10.4236/jfcmv.2014.24017
Abstract: Twin vortices flow behavior with out-of-plane angle effect in double bent pipe system is studied numerically and experimentally. Double bent pipe system generates very complicated flow behavior including twin vortices in the downstream of the double bent. Moreover, angle from the plane of the double bent forms more complicated flow behavior due to the flow twist by out-of-plane angle. In this study, numerical analysis is examined for this double bent system using three-dimensional CFD code, FLUENT, to reproduce those complicated flow behaviors with twin vortices. Numerical results are compared with experimental results obtained by Ultrasonic Velocity Profiler (UVP). Discrepancy between numerical and experimental result is discussed changing out-of- plane angle, α. Velocity profiles obtained by numerical results are converted into UVP profiles, and they are compared with the experimental results by UVP. Consequently, velocity behavior especially around the pipe wall obtained by numerical results is agreed with experimental results.
Relations between Positive and Negative Attributional Styles and Sales Performance as Moderated by Length of Insurance Sales Experience among Japanese Life Insurance Sales Agents  [PDF]
Yukie Tsuzuki, Tamao Matsui, Takashi Kakuyama
Psychology (PSYCH) , 2012, DOI: 10.4236/psych.2012.312A186
Abstract:

Past studies have shown that a sales agent’s attributional style for positive and negative events is related to sales performance. The aim of the present study was to examine an agent’s length of sales experience as a moderator of the relation between sales performance and attributional style for positive/negative events. 360 Japanese life insurance sales agents were assessed with attributional styles for positive and negative events (would be referred to as positive attributional style and negative attributional style, respectively), sales performance and their lengths of sales experience. It was found that relationship between sales performance and the two types of attributional styles was largely different depending upon length of an agent’s insurance sales experience. Among “novices” (n = 183) whose lengths of insurance sales experience were less than three years, sales performance was related significantly to negative attributional style, whereas it was not related to positive attributional style. By contrast, among “veterans” (n = 177) whose lengths of insurance sales experience were three years or more, sales performance was related significantly to positive attributional style, whereas it was not related to negative attributional style. Theoretical and practical implications are discussed.


Overholonomicity of overconvergent $F$-isocrystals over smooth varieties
Daniel Caro,Nobuo Tsuzuki
Mathematics , 2008,
Abstract: We prove the overholonomicity of overconvergent $F$-isocrystals over smooth varieties. This implies that the notions of overholonomicity and devissability in overconvergent $F$-isocrystals are equivalent. Then the overholonomicity is stable under tensor products. So, the overholonomicity gives a $p$-adic cohomology stable under Grothendieck's cohomological operations.
Clemens-Schmid exact sequence in characteristic p
Bruno Chiarellotto,Nobuo Tsuzuki
Mathematics , 2011,
Abstract: For a semistable family of varieties over a curve in characteristic $p$, we prove the existence of a "Clemens-Schmid type" long exact sequence for the $p$-adic cohomology. The cohomology groups appearing in such a long exact sequence are defined locally
Relative trace formulas and subconvexity estimates of L-functions for Hilbert modular forms
Shingo Sugiyama,Masao Tsuzuki
Mathematics , 2013,
Abstract: We elaborate an explicit version of the relative trace formula on $\PGL(2)$ over a totally real number field for the toral periods of Hilbert cusp forms along the diagonal split torus. As an application, we prove (i) a spectral equidistribution result in the level aspect for Satake parameters of holomorphic Hilbert cusp forms weighted by central $L$-values, and (ii) a bound of quadratic base change $L$-functions for Hilbert cusp forms with a subconvex exponent in the weight aspect.
Existence of Hilbert cusp forms with non-vanishing $L$-values
Shingo Sugiyama,Masao Tsuzuki
Mathematics , 2014,
Abstract: We give a derivative version of the relative trace formula on PGL(2) studied in our previous work, and obtain a formula of an average of central values (derivatives) of automorphic $L$-functions for Hilbert cusp forms. As an application, we prove existence of Hilbert cusp forms with non-vanishing central values (derivatives) such that the absolute degrees of their Hecke fields are sufficiently large.
Estimation of Potential GHG Emission Reduction through Corresponded REDD Plus Activities in Remote Area in Central Kalimantan, Indonesia—Case Study in the Paduran Area  [PDF]
Motoshi Hiratsuka, Seiji Iwanaga, Hayato Tsuzuki, Hirohumi Yaginuma
Open Journal of Forestry (OJF) , 2014, DOI: 10.4236/ojf.2014.44040
Abstract:
REDD plus activities corresponded in Central Kalimantan Province, Indonesia and their GHG emission reductions potential were analyzed. Target area is located in a remote area from Pa-langkaraya, Capital of Central Kalimantan Province and consisted of immigrating people mainly from Java Island. In the target area, most of local people conducted unsustainable land use activities (e.g. slash-and-burn agriculture). From analysis of past land use in the target area, there were drastic changes in land use from 1989 after migration began. Natural secondary forest with high density was greatly reduced (2010 levels are approximately 80% of 1996 levels) and converted to cropland and settlement. Also, the reduction in natural secondary forest with high density allowed Melaleuca cajuputi Powell forest to rapidly increase in size (2010 levels are approximately 3.7 times as 1996 levels). Additionally, as marked point, there was an increase in oil palm plantations from 2008 and onwards. From results of land use change in the past, mean annual GHG emissions of 5450 Gg CO2e year-1 had been continued until year 2010. To consider counter-measure for reducing GHG emissions in the target area, the relationship between past land use changes and human activities was analyzed through workshops with stakeholders of 6 different groups (village authorities, forest fire fighting team, members of farmers group, large landowners, workers outside of village and oil palm plantation and mother having small children). The results of the workshops showed that the core problem of unsustainable land use faced by 4 of the 6 groups of stakeholders was the lack of job opportunities (means to earn a living) in the target area. Also, it was learned that core groups considered oil palm plantations is to alleviate the problem and provide a source of alternative income. Furthermore, the workshops indicated that future land use scenario (reference scenario) will be based on income from oil palm plantations and, to prevent such land conversion, counter-measures (REDD plus project scenario) of indirect activities of local
Evaluation of Prognostic Factor for Perforation Closure Rate in Patient with Chronic Otitis Media  [PDF]
Hirokazu Katsura, Yasuo Mishiro, Miki Ikehata, Kenzo Tsuzuki, Masafumi Sakagami
International Journal of Otolaryngology and Head & Neck Surgery (IJOHNS) , 2014, DOI: 10.4236/ijohns.2014.35055
Abstract: Objective: To evaluate factors affecting the perforation closure rate for perforated otitis media. Methods: Between 2008 and 2012, a total of 118 patients with perforated chronic otitis media underwent tympanoplasty at Hyogo College of Medicine Hospital by a single surgeon. Prognostic factors were analyzed using multivariate analysis with logistic regression. Results: The success rate for tympanic perforation was 93.2%. Factors showing significance on multivariate analysis were dryness of perforation and patient age at the time of surgery. Conclusion: The results suggest that pre-surgical treatment is a key factor influencing the closure rate.
Investigation of Flow Behavior of Joule-Heating Flow in a 2-D Model of a Reprocessing Glass Melter Cavity  [PDF]
Jiaju Zhou, Hideharu Takahashi, Nobuyoshi Tsuzuki, Hiroshige Kikura
Journal of Flow Control, Measurement & Visualization (JFCMV) , 2018, DOI: 10.4236/jfcmv.2018.64016
Abstract: Flow behavior was observed in a simplified model cavity of a multiphase High Level Liquid Waste (HLLW) reprocessing glass melter. Electrodes were set to generate Joule-heating flow in the cavity. A chaotic flow occurred because the lower part of the cavity was heated while the top surface of the cavity was cooled. Downflow and upflow occurred alternately in cavities. The shape of the cavity was a sloping bottom cavity, which was similar in shape to the real glass melter. To know the flow behavior in the cavity, 1-D flow behavior and 2-D flow behavior were measured in an experiment and simulated by an original CFD code. In the sloping bottom cavity, chaotic flow occurred in the upper part of the cavity. In the case of the sloping bottom cavity which had the same set of electrodes as the glass melter, the effect of the downflow near the electrodes decreased. The same phenomena could be predicted in the melter. The experimental results were also used to validate the CFD code, which will be helpful for developing a multiphase Joule-heating flow predicting.
Involvement of sulfoquinovosyl diacylglycerol in DNA synthesis in Synechocystis sp. PCC 6803
Motohide Aoki, Mikio Tsuzuki, Norihiro Sato
BMC Research Notes , 2012, DOI: 10.1186/1756-0500-5-98
Abstract: We investigated effects of SQDG-defect on physiological aspects in Synechocystis with the use of SD1. SD1 cells defective in SQDG exhibited normal photosynthesis at low-light intensity as on culturing. Meanwhile, SD1 cells defective in SQDG were impaired in light-activated heterotrophic growth as well as in photoautotrophic growth. Flow cytometric analysis of the photoautotrophically growing cells gave similar cell size histograms for the wild type and SD1 supplemented with SQDG. However, the profile of SD1 defective in SQDG changed such that large part of the cell population was increased in size. Of particular interest was the microscopic observation that the mitotic index, i.e., population of dumbbell-like cells with a septum, increased from 14 to 29% in the SD1 culture without SQDG. Flow cytometric analysis also showed that the enlarged cells of SD1 defective in SQDG contained high levels of Chl, however, the DNA content was low.Our experiments strongly support the idea that photosynthesis is not the limiting factor for the growth of SD1 defective in SQDG, and that SQDG is responsible for some physiologically fundamental process common to both photoautotrophic and light-activated heterotrophic growth. Our findings suggest that the SQDG-defect allows construction of the photosynthetic machinery at an elevated level for an increase in cell mass, but represses DNA synthesis. SQDG may be essential for normal replication of chromosomal DNA for completion of the cell cycle.The membranes of cyanobacteria and plastids in plants are similar to include three glycolipids, monogalactosyl diacylglycerol (MGDG), digalactosyl diacylglycerol (DGDG) and SQDG, and a phospholipid, phosphatidylglycerol (PG) [1]. We have revealed physiological significance of SQDG in a cyanobacterium, Synechocystis sp. PCC 6803, and a green alga, Chlamydomonas reinhardtii, through characterization of their respective mutants deficient in SQDG synthesis [2,3]. First, SQDG was found to contribute to t
Page 1 /60
Display every page Item


Home
Copyright © 2008-2017 Open Access Library. All rights reserved.