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Exploration behavior of group-in-a-box layouts

Visual Informatics 2019年第1期3卷 38-47页

作者： Yuki Ueno Hiroaki Natsukawa Nozomi aoyama Koji Koyamada Department of Electrical Engineering Kyoto UniversityKyotoJapan Academic Center for Computing and Media Studies Kyoto UniversityKyotoJapan

To improve visualization,it is necessary to optimize the design by analyzing the behavior of users as well as improving the evaluation index of the computational experiment and the task performance(e.g.,the correct answer rate and completion time)in the user *** various studies have investigated the influence of user behavior on the evaluation of visualization,majority of these studies focused on simple visualization tasks.A simple task does not indicate a simple visualization comprising a few visualization elements but a task in which the information obtained from visualization is the only clue for completing the ***,a few studies have targeted complicated tasks in which multiple information obtained from visualization is considered to be a clue for completing the task regardless of the number of elements that are contained in the ***,in this study,we investigated the behavior of the participants who have performed complicated *** selected two types of group-in-a-box(GIB)layouts,which can be considered to be a complicated visualization method,as the target of the user *** the user experiment,participants were asked to perform an exploration task specific to GIB layouts;which group has the maximum number of intra-edges?We also collected the eye-tracking data in addition to task *** results showed that the correct answer rate is considerably affected by the visualization factor;whether the correct answer,the box with maximum number of intra-edges,is the box with the largest ***,an analysis of the collected eye-tracking data revealed that this visualization factor affected the exploration behavior of the participants;however,it did not affect the location at which the participants were focused *** obtained results indicated that the visualization elements that were not considered by the visualization designer can influence the task of extracting information from the ***

关键词： Visual search Eye-tracking Group-in-a-box layout

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Relationship between testicular volume and testicular function： comparison of the Prader orchidometric and ultrasonographic measurements in patients with infertility

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Asian Journal of Andrology 2008年第2期10卷 319-324页

作者： Hideo Sakamoto Yoshio Ogawa hideki Yoshida Department of Urology Showa University School of Medicine Tokyo 142-8666 Japan

Aim： To evaluate the relationship between testicular function and testicular volume measured by using Prader orchidometry and ultrasonography （US） to determine the critical testicular volume indicating normal testicular function by each method. Methods： Total testicular volume （right plus left testicular volume） was measured in 794 testes in 397 men with infertility （mean age, 35.6 years） using a Prader orchidometer and also by ultrasonography. Ultrasonographic testicular volumes were calculated as length x width x height x 0.71. To evaluate volume-function relationships, patients were divided into 10 groups representing 5-mL increments of total testicular volume by each method from below 10 mL to 50 mL or more. Results： Mean total testicular volume based on Prader orchidometry and US were 36.8 mL and 26.3 mL, respectively. Semen volume, sperm density, total sperm count, total motile sperm count, and serum FSH, LH, and testosterone all correlated significantly with total testicular volume measured by either method. Mean sperm density was in the oligozoospermic range in patients with total testicular volume below 35 mL by orchidometry or below 20 mL by ultrasonography. Mean total sperm count was subnormal in patients with total testicular volume below 30 mL by orchidometry or under 20 mL by ultrasonography. Conclusion： Testicular volume measured by either ultrasonography or Prader orchidometry correlated significantly with testicular function. However, critical total testicular volume indicating normal or nearly normal testicular function was 30 mL to 35 mL using Prader orchidometer and 20 mL using ultrasonography. Prader orchidometry morphometrically and functionally overestimated the testicular volume in comparison to US. （Asian JAndro12008 Mar; 10： 319-324）

关键词： orchidometer ultrasonography testicular volume testicular function

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Surgical treatment of gallbladder cancer:An eight-year experience in a single center

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World Journal of Hepatology 2020年第9期12卷 641-660页

作者： Yasuyuki Kamada Tomohide Hori Hidekazu Yamamoto hideki Harada Michihiro Yamamoto MasahiroYamada Takefumi Yazawa Masaki Tani Asahi Sato Ryotaro Tani Ryuhei aoyama Yudai Sasaki MasazumiZaima Department of Surgery Shiga General HospitalMoriyama 524-8524ShigaJapan

BACKGROUND Gallbladder cancer(GBC)is the most common biliary malignancy and has the worst prognosis,but aggressive surgeries[e.g.,resection of the extrahepatic bile duct(EHBD),major hepatectomy and lymph node(LN)dissection]may improve long-term *** may be suspected preoperatively,identified intraoperatively,or discovered incidentally on *** To present our data together with a discussion of the therapeutic strategies for *** We retrospectively investigated nineteen GBC patients who underwent surgical *** Nearly all symptomatic patients had poor outcomes,while suspicious or incidental GBCs at early stages showed excellent outcomes without the need for two-stage *** nodes around the cystic duct were reliable sentinel nodes in suspicious/incidental *** LN dissection and EHBD resection prevented metastases or recurrence in early-stage GBCs but not in advanced GBCs with metastatic LNs or invasion of the nerve *** patients with positive surgical margins(e.g.,the biliary cut surface)showed poor *** were performed in sixteen patients,nearly all of which were minor *** were observed in the left-sided liver but not in the caudate *** may need to reconsider the indications for major hepatectomy,minimizing its use except when it is required to accomplish negative bile duct *** a few patients received neoadjuvant or adjuvant *** were significant differences in overall and disease-free survival between patients with stages≤IIB and≥IIIA *** median overall survival and disease-free survival were 1.66 and 0.79 years,*** Outcomes for GBC patients remain unacceptable,and improved therapeutic strategies,including neoadjuvant chemotherapy,optimal surgery and adjuvant chemotherapy,should be considered for patients with advanced GBCs.

关键词： Gallbladder cancer Surgery Prognosis Outcome Metastasis Lymph node Extrahepatic bile duct

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N-Doped rGO-Like Carbon Prepared from Coconut Shell:Structure and Specific Capacitance

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Journal of Renewable Materials 2023年第4期11卷 1823-1833页

作者： Imam Khambali Budhi Priyanto Retno Asih Malik Anjelh Baqiya Muhammad Mahyiddin Ramli Nurul Huda Osman Sarayut Tunmee hideki Nakajima Triwikantoro Mochamad Zainuri Darminto Department of Physics Faculty of Science and Data AnalyticsInstitut Teknologi Sepuluh NopemberSurabaya60111Indonesia Department of Electrical Engineering Faculty of EngineeringUniversity of Muhammadiyah MalangMalang65144Indonesia Geopolymer&Green Technology Centre of Excellence Universiti Malaysia PerlisArauPerlis02600Malaysia Applied Electromagnetic Laboratory 1 Department of PhysicsFaculty of ScienceUniversiti Putra MalaysiaSelangor43400Malaysia Synchrotron Light Research Institute(SLRI) Nakhon Ratchasima3000Thailand

An rGO−like carbon compound has been synthesized from biomass,i.e.,old coconut shell,by a carbonization process followed by heating at 400°C for 5 *** nitrogen doping was achieved by adding the urea(CH4N2O)and stirring at 70°C for 14 *** morphology and structure of the rGO-like carbon were investigated by electron microscopies and Raman *** presence of C-N functional groups was analyzed by Fourier transform infrared and synchrotron X-ray photoemission spectroscopy,while the particle and the specific capacitance were measured by particle sizer and cyclic *** highest specific capacitance of 72.78 F/g is achieved by the sample with 20%urea,having the smallest particles size and the largest surface *** corresponding sample has shown to be constituted by the appropriate amount of C–N pyrrolic and pyridinic defects.

关键词： N-doped rGO−like carbon coconut shell specific capacitance

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An Experimental Study on Aerodynamic Sound Generated from Wake Interaction of Circular Cylinder and Airfoil with Attack Angle in Tandem

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Journal of Thermal Science 2008年第3期17卷 212-217页

作者： Mizue MUNEKATA Ryuta KOSHIISHI Hiroyuki YOSHIKAWA hideki OHBA Department of Mechanical System Engineering

在我们的以前的学习，在空气动力学的声音上的柱体和机翼之间的间隔的效果被调查并且与单个圆形、单个的机翼的案例相比。在这研究，机翼的攻击角度的效果在空气动力学的声音的特征上定位了 downstream， wake 结构在在柱体和机翼之间... 详细信息

在我们的以前的学习，在空气动力学的声音上的柱体和机翼之间的间隔的效果被调查并且与单个圆形、单个的机翼的案例相比。在这研究，机翼的攻击角度的效果在空气动力学的声音的特征上定位了 downstream， wake 结构在在柱体和机翼之间的给定的间隔被调查。DFN 和山峰频率的健全压力水平与因为，增加机翼的攻击角度减少，这被发现散开由于圆形的柱体的增加的反应弄醒结构，它被机翼的堵住的效果引起。健全来源被通信到流旋涡形式的攻击点，这被显示出在上游的圆形的柱体到下游的机翼。我们断定在机翼表面的压力变化在健全压力水平上完成，从流动可视化和健全来源的探索测试。

关键词：空气动力学尾流圆柱机翼

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A Study on Viscoelastic Fluid Flow in a Square-Section 90-Degrees Bend

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Journal of Thermal Science 2003年第4期12卷 337-343页

作者： Mizue Munekata Kazuyoshi Matsuzaki hideki Ohba Dept. of Mechanical Engineering and Materials Science Kumamoto University Kurokami 2-39-1 Kumamoto JapanDept. of Mechanical Engineering and Materials Science Kumamoto University Kurokami 2-39-1 Kumamoto JapanDept. of Mechanical Engineering and Materials Science Kumamoto University Kurokami 2-39-1 Kumamoto Japan

It is well known that the drag-reducing effect is obtained in a surfactant solution flow in a straight pipe. We investigate about a viscoelastic fluid flow such as a surfactant solution flow in a square-section 90° bend. In the experimental study, drag-reducing effect and velocity field in a surfactant solution flow are investigated by measurements of wall pressure loss and LDV measurements. For the numerical method, LES with FENE-P model is used in the viscoelastic fluid flow in the bend. The flow characteristics of viscoelastic fluid are discussed compared with that of a Newtonian fluid.

关键词：非牛顿流粘弹性流弯曲流水阻缩减速度场大型涡流模拟流体力学

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Contributions of the Secondary Jet to the Tangential Velocity Distribution and to the Collection Efficiency of the Fixed Guide Vane Type Axial Flow Cyclone Dust Collector

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Journal of Thermal Science 2015年第6期24卷 503-509页

作者： Akira Ogawa hideki Anzou So Yamamoto Mituru Shimagaki Tokyo Japan

In order to control the maximum tangential velocity V?m(m/s)of the turbulent rotational air flow and the collection efficiencyηc(%)using the fly ash of the mean diameter X R50=5.57?m,two secondary jet nozzles were installed to the body of the axial flow cyclone dust collector with the body diameter D1=*** in order to estimate V?m(m/s),the conservation theory of the angular momentum flux with Ogawa combined vortex model was *** comparisons of the estimated results of V?m(m/s)with the measured results by the cylindrical Pitot-tube were shown in good *** also the estimated collection efficienciesηcth(%)basing upon the cut-size Xc(?m)which was calculated by using the estimated V?m(m/s)and also the particle size distribution R(Xp)were shown a little higher values than the experimental results due to the re-entrainment of the collected *** best method for adjustment ofηc(%)related to the contribution of the secondary jet flow is principally to apply the centrifugal effect?c(1).Above stated results are described in detail.

关键词：旋风除尘器切向速度轴流式除尘效率速度分布二次喷射叶型平均直径

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Effects of Pulsation on Separated Flow and Heat Transfer in Enlarged Channel

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Journal of Thermal Science 2011年第1期20卷 70-75页

作者： Hiroyuki YOSHIKAWA Tomonori KAI Mizue MUNEKATA hideki OHBA Dept.of Mechanical System Engineering Kumamoto University2-39-1 KurokamiKumamoto 860-8555Japan Graduate School of Science and Technology Kumamoto University2-39-1 KurokamiKumamoto 860-8555Japan Kikuyo KikuchiKumamoto 869-1101Japan

Numerical results of three-dimensional separated flow and heat transfer in an enlarged rectangular channel are presented in this *** expansion ratio and aspect ratio of the channel are 2.0 and 16.0,*** number of the flow is 200 and it is over the critical Reynolds *** the critical Reynolds number,the flow in the symmetric channel becomes asymmetric and deflects to one side of the *** of the pulsating fluctuation at the inlet upon the flow in the channel are *** is clarified that the inlet flow with a pulsating fluctuation of Strouhal number 0.05 and 0.10 strongly affects on the flow in the channel,and heat transfer on the walls is enhanced,especially on the wall surface covered with long separation *** the other hand,the pulsation of St=0.0125 oscillates the shear layer more weakly than that of St=0.05,0.10 and the enhancement of heat transfer is smaller,though some vortices are shed from the vicinity of the side wall near the reattachment *** oscillation of the main flow calms down gradually as the Strouhal number of the pulsation increases over *** influence of pulsation of St=0.20 on the flow is restricted in the near downstream of the step,and heat transfer on the walls is almost similar to that of the steady flow in the channel.

关键词：分离流动强化传热脉动流 Strouhal数临界雷诺数矩形通道频道斯特劳哈尔数

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Distribution characteristics of inclusions along with the surface sliver defect on the exposed panel of automobile:A quantitative electrolysis method

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International Journal of Minerals,Metallurgy and Materials 2020年第11期27卷 1489-1498页

作者： Xiao-qian Pan Jian Yang Joohyun Park hideki Ono State Key Laboratory of Advanced Special Steel School of Materials Science and EngineeringShanghai UniversityShanghai 200444China Department of Materials Engineering Hanyang UniversityAnsan 426-791South Korea Faculty of Sustainable Design University of ToyamaToyama-ken 930-8555Japan

The specific distribution characteristics of inclusions along with the sliver defect were analyzed in detail to explain the formation mechanism of the sliver defect on the automobile exposed panel surface.A quantitative electrolysis method was used to compare and evaluate the three-dimensional morphology,size,composition,quantity,and distribution of inclusions in the defect and non-defect zone of automobile exposed *** Al2O3 inclusions were observed to be aggregated or chain-like shape along with the sliver defect of about 3–10μ*** aggregation sections of the Al2O3 inclusions are distributed discretely along the rolling direction,with a spacing of 3–7 mm,a length of 6–7 mm,and a width of about 3 *** inclusion area part is 0.04%–0.16%with an average value of 0.08%,the inclusion number density is 40 mm−2 and the inclusion average spacing is 25.13μ*** inclusion spacing is approximately 40–160μm,with an average value of 68.76μm in chain-like inclusion *** average area fraction and number density of inclusions in the non-defect region were reduced to about 0.002%and 1–2 mm^−2,respectively,with the inclusion spacing of 400μm and the size of Al2O3 being 1–3μm.

关键词： automobile exposed panel sliver defect quantitative electrolysis three-dimensional inclusions aggregated inclusions chain-like inclusions

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Numerical Study on Particle Motions in Swirling Flows in a Cyclone Separator

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Journal of Thermal Science 2006年第2期15卷 181-185页

作者： Kazuyoshi MATSUZAKI Hideaki USHIJIMA Mizue MUNEKATA hideki OHBA Tokyo Electron LTD. 650 Mitsuzawa Hosaka-cho Nirasaki Yamanashi 407-0192 Japan Kumamoto University 2-39-1 Kurokami Kumamoto 860-8555 Japan

这研究的目的是在一个气旋隔板建立粒子分离的高度精确的预言方法。在一个气旋隔板的打漩的流动的数字模拟被基于一个 Smagorinsky 模型使用大旋涡模拟(LES ) 执行。模拟和复杂流动特征的有效性被比较与试验性的结果讨论。而且，粒子运... 详细信息

这研究的目的是在一个气旋隔板建立粒子分离的高度精确的预言方法。在一个气旋隔板的打漩的流动的数字模拟被基于一个 Smagorinsky 模型使用大旋涡模拟(LES ) 执行。模拟和复杂流动特征的有效性被比较与试验性的结果讨论。而且，粒子运动被一个 Lagrangian 方法对待并且与一个单程的方法被计算。为粒子分离的表演从跟踪的粒子的结果被预言。作为我们的调查的结果，为气旋隔板的粒子分离的表演上的插头管子的插入的高度的影响被显示出。关键词气旋隔板 - 打漩的流动 - 粒子运动 - 大旋涡模拟 CLC 数字

关键词：气旋离析器涡流粒子动态大涡旋模拟

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