检索结果-南通市图书馆

Three Dimensional Numerical Analysis of Two Phase Flow separation Using swirling Fluidics

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Energy and Power Engineering 2013年第4期5卷 301-306页

作者： M. M. Rahman Nobuatsu tanaka s. Yokobori s. Hirai Department of Mechanical Engineering Faculty of Engineering Ibaraki University Hitachi Japan Department of Nuclear safety Engineering Faculty of Engineering Tokyo City University Tokyo Japan Energy Institute Atomic Energy Research Establishment Dhaka Bangladesh

Vapor-water two phase flow separation in pressure vessel of nuclear power plants is accomplished with swirl motion using vanes. In order to reduce separation pressure loss and to make it economic, a new type of low cost simplified innovative separator using lattice core configuration is proposed where swirling is caused by the orthogonal driving flow. The performance of the separator has been assessed numerically with the commercial CFD code FLUENT 14.0. The numerical analysis is compared with the experiment. The geometry and flow conditions are chosen according to the experiment. In the analysis, standard k – e and realizable k – e turbulence models are implemented. The prediction of maximum air void fraction with realizable k – e model was almost the same as input air void fraction but the void fraction computed by standard k – e model was compared better with the experimental results than the realizable k – e model. some discrepancies in flow pattern between the experimental and simulation results are observed which might be due to the difference of nozzle shape. However, a more detailed model is necessary to arrive at the final conclusion.

关键词： Two Phase Flow separation Nuclear Power Plants swirling CFD

Temperature-dependent phonon spectra of magnetic random solid solutions

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

npj Computational Materials 2018年第1期4卷 606-612页

作者： Yuji Ikeda Fritz Körmann Biswanath Dutta Abel Carreras Atsuto seko Jörg Neugebauer Isao tanaka Department of Materials science and Engineering Kyoto UniversityKyoto 606-8501Japan Center for Elements strategy Initiative for structural Materials(EsIsM) Kyoto UniversityKyoto 606-8501Japan Max-Planck-Institut für Eisenforschung GmbH D-40237 DüsseldorfGermany Department of Materials science and Engineering Delft University of TechnologyMekelweg 22628 CD DelftNetherlands Precursory Research for Embryonic science and Technology(PREsTO) Japan Science and Technology Agency(JST)Kawaguchi 332-0012Japan Center for Materials Research by Information Integration National Institute for Materials Science(NIMS)Tsukuba 305-0047Japan Nanostructures Research Laboratory Japan Fine Ceramics CenterNagoya 456-8587Japan

A first-principles-based computational tool for simulating phonons of magnetic random solid solutions including thermal magnetic fluctuations is *** method takes fluctuations of force constants due to magnetic excitations as well as due to chemical disorder into *** developed approach correctly predicts the experimentally observed unusual phonon hardening of a transverse acoustic mode in Fe–Pd an Fe–Pt Invar alloys with increasing *** peculiar behavior,which cannot be explained within a conventional harmonic picture,turns out to be a consequence of thermal magnetic *** proposed methodology can be straightforwardly applied to a wide range of materials to reveal new insights into physical behaviors and to design materials through computation,which were not accessible so far.

关键词： magnetic random phonon

A CIN-like TCP transcription factor(LsTCP4)having retrotransposon insertion associates with a shift from salinas type to Empire type in crisphead lettuce(Lactuca sativa L.)

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Horticulture Research 2020年第1期7卷 2597-2610页

作者： Kousuke seki Kenji Komatsu Keisuke tanaka Masahiro Hiraga Hiromi Kajiya-Kanegae Hideo Matsumura Yuichi Uno Nagano Vegetable and Ornamental Crops Experiment station Tokoo 1066-1SougaShiojiriNagano 399-6461Japan Department of Bioresource Development Tokyo University of AgricultureFunako1737AtsugiKanagawa 243-0034Japan NODAI Genome Research Center Tokyo University of AgricultureSakuragaoka 1-1-1SetagayaTokyo 156-8502Japan Nagano Fruit Tree Experiment station Ogawara 492SuzakaNagano 382-0072Japan Research Center for Agricultural Information Technology NAROKannondai 3-1-1TsukubaIbaraki 305-8517Japan Gene Research Center Shinshu Seki et al.Horticulture Research(2020)7:15 Page 13 of 14 UniversityTsuneta 3-15-1UedaNagano 386-8567Japan Plant science Division Department of Bioresource ScienceGraduate School of Agricultural ScienceKobe UniversityRokkodai 1-1NadaKobeHyogo 657-8501Japan

To improve several agronomic traits in crisphead lettuce(Lactuca sativa L.)under high-temperature growth conditions,we investigated the correlation among those traits in multiple cultivars and performed genetic mapping of their causal *** a field cultivation test of Empire type(serrated leaf)and salinas type(wavy leaf)cultivars,Empire type cultivars showed increased tipburn susceptibility and late bolting compared with salinas type *** attempted genetic mapping of leaf shape and bolting time by ddRAD-seq using the F2 population derived from a cross between‘VI185’(Empire type)and‘shinanoGreen’(salinas type).These analyses suggested that both traits are controlled by a single locus in *** of 51 commercial lettuce cultivars with a tightly linked marker(LG5_v8_252.743Mbp)at this locus showed an association between its genotype and the serrated leaf *** further fine mapping and transcriptome analysis,a gene encoding putative CIN-like TCP transcription factor was determined to be a candidate gene at this locus and was designated as *** insertion of retrotransposable element was found in the allele of‘VI185’,and its transcript level in the leaves was lower than that in‘shinanoGreen’.Because shapes of leaf epidermal cells in‘VI185’were similar to those in the TCP family mutant of Arabidopsis thaliana,the leaf shape phenotype was likely caused by reduced expression of ***,because it is known that the TCP family protein also controls flowering time via interaction with FT in ***,it was highly possible that LsTCP4 gave pleiotropic effects on both leaf shape and bolting time in lettuce.

关键词： cultivar insertion Lactuca

Effectiveness of patient education focusing on circadian pain rhythms:A case report and review of literature

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Cases 2021年第17期9卷 4441-4452页

作者： Yoichi tanaka Gosuke sato Ryota Imai Michihiro Osumi Hayato shigetoh Ren Fujii shu Morioka Graduate school of Health sciences Kio UniversityKitakatsuragi-gun 635-0832NaraJapan Department of Rehabilitation Nara Prefecture General Rehabilitation CenterShiki Gun Tawaramoto Cho 636-0345NaraJapan Neuro Rehabilitation Research Center Kio UniversityKitakatsuragi-gun 635-0832NaraJapan Department of Rehabilitation Osaka Kawasaki Rehabilitation UniversityKaizuka Shi 597-0104OsakaJapan

BACKGROUND Neuropathic pain management should aim at improving quality of life and daily living activities of patients;therefore,emphasis should be placed on pain management including understanding the pain patterns during daily ***,lifestyle guidance should be based on a detailed understanding of pain;however,previous studies commonly evaluated pain intensity at a single point in *** report a case on patient education intervention based on the relationship between pain circadian rhythms and detailed physical activity during the *** sUMMARY A man in his 60s,who suffered a brachial plexus injury in a traffic accident,presented with neuropathic *** assessment of the importance of daily living activities to the patient,pain rhythmicity,and physical activity,was *** early assessments showed that the pain intensity was lower on days when more light-intensity physical activity(LIPA)was performed,than on days when less LIPA was ***,patient education focused on methods to decrease the pain intensity that tended to worsen in the afternoon,and encouraged behavioral changes by suggesting the patient to take walks,which could be used to maintain LIPA in the *** reassessment,the afternoon LIPA,which had been the focus of attention,had increased and a change was noted in the circadian rhythm of *** Patient education based on a composite assessment elicited positive results in relation to the pain circadian rhythm and physical activity.

关键词： Circadian rhythms Physical activity Neuropathic pain Pain management Patient education Case report

Arsenic Disulfide Induced Apoptosis and Concurrently Promoted Erythroid Differentiation in Cytokine-Dependent Myelodysplastic syndrome-progressed Leukemia Cell Line F-36p with Complex Karyotype Including Monosomy 7

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Journal of Integrative Medicine 2014年第5期20卷 387-393页

作者：胡晓梅 sachiko tanaka Kenji Onda 袁博 Hiroo Toyoda 麻柔刘峰 Toshihiko Hirano Department of Clinical Pharmacology School of PharmacyTokyo University of Pharmacy and Life Sciences National Therapeutic Center of Hematology of Traditional Chinese Medicine Xiyuan HospitalChina Academy of Chinese Medical Sciences

Objective： Acute myeloid leukemia progressed from myelodysplastic syndrome （MDs/AML） is generally incurable with poor prognosis for complex karyotype including monosomy 7 （-7）. Qinghuang Powder （青黄, QHP）, which includes Qing Dai （ Indigo naturalis） and Xiong Huang （realgar） in the formula, is effective in treating MDs or MDs/AML even with the unfavorable karyotype, and its therapeutic efficacy could be enhanced by increasing the Xiong huang content in the formula, while Xiong huang contains 〉 90% arsenic disulfide （As2s2）. F-36p cell line was established from a MDs/AML patient with complex karyotype including -7, and was in cytokine-dependent. The present study was to investigate the effects of As2s2 on F-36p cells. Methods： Cell proliferation was measured by an 3-（4,5-dimethylthiazol-2-yl）-2, 5-diphenyltetrazolium bromide （MTT） assay. Cell apoptosis was identified by Annexin V-staining. Cell viability was determined by a propidium iodide （PI） exclusion. Erythroid differentiation was evaluated by the expression of cell surface antigen CD235a （GpA）. Results： After treatment with As2s2 at concentrations of 0.5 to 16 p. mol/L for 72 h, As2s2 inhibited the proliferation of F-36p cells. The 50% inhibitory concentrations （IC50） of As2s2 against the proliferation of F-36p cells was 6 I~ mol/L. The apoptotic cells significantly increased in a dose-dependent mannar （P〈0.05）. The cell viabilities were significantly inhibited by As2s2 dose-dependent in a dose-dependent manner （P〈0.05）. significant increases of CD235a-positive cells were concurrently observed （P〈0.05） also in a dose- dependent manner. Conclusions： As2s2 could inhibit proliferation and viability, induce apoptosis, and concurrently promote erythroid differentiation dose-dependently in F-36p cells. As2s2 can inhibit proliferation and viability, induce apoptosis, and concurrently promote erythroid differentiation in cytokine-dependent MDs-progressed human leukemia cell line F-36p with complex karyotype including -7

关键词： leukemia myelodysplastic syndromes arsenic disulfide karyotype F-36p apoptosis erythroid diffeerentiation

Contribution of the Large Helical Device Plasmas to Alfvén Eigenmode Physics in Toroidal Plasmas

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Plasma science and Technology 2009年第4期11卷 377-380页

作者： K. TOI M. IsOBE M. OsAKABE F. WATANABE K. OGAWA T. TOKUZAWA A. sHIMIZU T. IDO K. IDA, T. ITO s. MORITA K. NAGAOKA K. NARIHARA M. NIsHIURA s. OHDACHI s. sAKAKIBARA K. tanaka LHD Experiment Group National Institute for Fusion science Toki 509-5292 Japan Department of Energy Engineering and science Nagoya University Nagoya 464-8601 Japan

In the large helical device （LHD） having three dimensional configuration, Alfven eigenmodes （AEs） destabilized by energetic ions are widely investigated using neutral beam heated plasmas with monotonic and non-monotonic rotational transform （l/2π） profiles. In a plasma with monotonic l/2π-profile, core-localized toroidicity-induced Alfven eigenmode （TAE） as well as global one are often observed. With the increase in the averaged toroidal beta value, defined as the ratio of total plasma pressure to toroidal magnetic pressure, core-localized TAE with low toroidal mode number becomes global. In a relatively high beta plasma with monotonic l/2π-profile, two TAEs with different toroidal mode number often interact nonlinearly and generate another modes through three wave coupling. In a plasma with non-monotonic l/2π-profile generated by intense counter neutral beam current drive, reversed shear Alfven eigenmode （RsAE） and geodesic acoustic mode （CAM） excited by energetic ions were observed for the first time in a helical plasma. Nonlinear coupling was also observed between RsAE and GAM.

关键词： alpha particles Alfven eigenmodes geodesic acoustic mode helical/stellarator

Using the simplex Method for a Type of Allocation Problems

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

American Journal of Computational Mathematics 2019年第2期9卷 25-31页

作者： Yoshihiro tanaka Faculty of Economics and Business Hokkaido University Sapporo Japan

In this study we discuss the use of the simplex method to solve allocation problems whose flow matrices are doubly stochastic. Although these problems can be solved via a 0 - 1 integer programming method, H. W. Kuhn [1] suggested the use of linear programming in addition to the Hungarian method. specifically, we use the existence theorem of the solution along with partially total unimodularity and nonnegativeness of the incidence matrix to prove that the simplex method facilitates solving these problems. We also provide insights as to how a partition including a particular unit may be obtained.

关键词： Allocation Problems Hall’s Theorem Totally Unimodular Matrix simplex Method

Objective Assessment of skin Tightening Using Multisource, Phase-Controlled Radiofrequency in Asians

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Cosmetics, Dermatological sciences and Applications 2013年第1期3卷 110-116页

作者： Yohei tanaka Clinica tanaka Plastic Reconstructive Surgery and Anti-aging Center Matsumoto Japan Department of Dermatology Tokyo Women’s Medical University Tokyo Japan Department of Applied Life Sciences Niigata University of Pharmacy and Applied Life Sciences Niigata Japan

Background: Radiofrequency has been proven to penetrate deeper than optical light sources independent of skin color allowing a safer treatment for the Asian skin type. Many studies have indicated the efficacy of various types of devices, but have not included a sufficient objective evaluation. Multisource radiofrequency uses multiple phase controlled radiofrequency generators with real time impedance control, allowing painless, deeper dermal heating with better adaptation to differences in individual skin impedance. In this study we used three-dimensional imaging for the objective evaluation of facial skin tightening by multisource phase-controlled radiofrequency. Methods: Twenty Japanese patients were treated with a multisource phase-controlled radiofrequency device. Three-dimensional imaging was performed with a Canfield scientific Vectra camera and software, and quantitative volume measurements were taken to evaluate the change in the post-treatment volume. The patients then provided subjective assessments. Results: Objective assessments of the treated cheek volume evaluated by a three-dimensional color schematic representation with quantitative volume measurements showed significant improvement three months after the final treatment. The mean volume reduction at the last post-treatment visit was 3.878 ± 2.86 mL. The post-treatment volume was significantly reduced compared to the pretreatment volume in all of the volunteers (P = 0.0007). Ninety-five percent of volunteers reported satisfaction with the improvement of skin laxity, and ninety percent of volunteers reported satisfaction with the improvement of wrinkles, such as the nasolabial folds. Conclusions: The advantages of these multisource phase-controlled radiofrequency treatments are its high efficacy for skin tightening associated with minimal level of discomfort, minimal side effects, and low cost. Taken together, these characteristics facilitate the ability to give repeated treatments as a stand alone tr

关键词： Objective Evaluation Quantitative Volume Measurement skin Laxity Three-Dimensional Imaging Wrinkles

Influence of Flux and sulfur on YAG Laser Welding

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

甘肃工业大学学报 2003年第4期29卷 11-14页

作者： K Nakata D Fan M tanaka M Ushio Joining and Welding Research Institute Materials Science and Engineering School Lanzhou Univ. of Tech.Joining and Welding Research InstituteJoining and Welding Research Institute Osaka University Osaka 567 JapanLanzhou730050 ChinaOsaka University Osaka 567 JapanOsaka University Osaka 567 Japan

The influence of flux and sulfur content on YAG laser welding has been investigated, and the influencing factors and mechanism were discussed. The results show that both surface activating flux and surface active element s have fantastic effects on the YAG laser weld shape, that is to obviously increase the weld penetration and D/W ratio in various welding conditions. The mechanism is thought to be the change of surface tension temperature coefficient in weld pool, thus, the change of fluid flow paten in weld pool due to the flux and sulfur.

关键词：激光焊接硫光纤波长 YAG激光器