检索结果-南通市图书馆

Inter/intra investigator variation in orchidometric measure-ments of testicular volume by ten investigators from five insti-tutions

引用

Asian Journal of Andrology 2006年第3期8卷 373-378,391页

作者： shinobu tatsunami KiyomiMatsumiya AkiraTsujimura NaokiItoh TakumiSasao EitetsuKoh YuujiMaeda JiroEguchi KousukeTakehara TakayasuNishida SatetsuMiyano Chisato Tabata Teruaki Iwamoto Unit of Medical Statistics Faculty of Medical Education and CultureSt.Marianna University School of MedicineKawasaki 216-8511Japan Department of Urology Osaka UniversityOsaka 565-0871Japan Department of Urology Sapporo Medical UniversitySapporo 060-8543Japan Department of Urology Kanazawa UniversityKanazawa 920-8641Japan Department of Urology Nagasaki UniversityNagasaki 852-8501Japan Department of Urology Marianna University School of Medicine HospitalKawasaki 216-8511Japan Ultrasound Center St.Marianna University School of Medicine HospitalKawasaki 216-8511Japan

Aim:To perform quality control studies on testicular volume measurements for a multi-center epidemiological study of male reproductive ***:We constructed a data matrix with a balanced assignment for 2 consecutive days by ten investigators(andrological career:4-21 years)from five institutions and 12 male volunteers aged 20-26 *** volume was measured by Prader's orchidometer.A skilled technician also perfornled an ultrasound estimate of testicular ***:A statistically significant inter-investigator variation was found *'or both testes (P0.05).The difference in experiences of the investigators did not significantly correlate with accuracy of measurements in either ***:The present study revealed significant differences in the results of estimation of testicular volume among the ten investigators,but intra-investigator variation was not *** training and proper standardization of the measurement will be necessary before starting a multi-center study based on an andrological examination,

关键词： testicular volume orchidometer quality control

来源：

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

Numerical Investigation on Detonation Wave through U-bend

引用

Journal of Thermal Science 2010年第6期19卷 540-544页

作者： shinobu Otsuka Masaya Suzuki Makoto Yamamoto Department of Mechanical Engineering Tokyo University of Science

Pulse detonation engine (PDE) is expected for a next-generation propulsion system. PDE is a promising engine that can generates power and thrust by using intermittent detonation. Promotion of deflagration to detonation transition (below DDT) is a key issue to realize this system. PDE has experimentally been investigated, and it was confirmed that detonation tubes with U-shaped bends are useful for fast DDT. However, the mechanism of DDT promotion due to U-bends has not been well clarified. In the present study, the influence of a U-bend on detona-tion wave propagation is researched with computational fluid dynamics (CFD). The numerical results show that detonation wave disappears once near the U-bend inlet and restarts after passing through it. In addition, it was found that the use of the U-bend with small channel width and curvature radius can induce fast DDT.

关键词： Detonation Deflagration to Detonation Transition (DDT) U-bend Computational Fluid Dynamics

来源：

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

A Fine-Grained Runtime Power/Performance Optimization Method for Processors with Adaptive Pipeline Depth

引用

Journal of Computer Science & Technology 2011年第2期26卷 292-301页

作者：姚骏 shinobu Miwa Hajime Shimada Shinji Tomita Graduate School of Information Science Nara Institute of Science and Technology School of Engineering Tokyo University of Agriculture and Technology Graduate School of Informatics Kyoto University Institute for Integrated Cell-Material Sciences Kyoto University

Recently, a method known as pipeline stage unification （PSU） has been proposed to alleviate the increasing energy consumption problem in modern microprocessors. PSU achieves a high energy efficiency by employing a changeable pipeline depth and its working scheme is eligible for a fine control method. In this paper, we propose a dynamic method to study fine-grained program interval behaviors based on some easy-to-get runtime processor metrics. Using this method to determine the proper PSU configurations during the program execution, we are able to achieve an averaged 13.5% energydelay-product （EDP） reduction for SPEC CPU2000 integer benchmarks, compared to the baseline processor. This value is only 0.14% larger than the theoretically idealized controlling. Our hardware synthesis result indicates that the proposed method can largely decrease the hardware overhead in both area and delay costs, as compared to a previous program study method which is based on working set signatures.

关键词： dynamic optimization energy saving fine-grained pipeline stage unification workload analysis

来源：

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

Efficient Origin-Destination Estimation Using Microscopic Traffic Simulation with Restricted Rerouting

引用

Computer Modeling in Engineering & Sciences 2023年第5期135卷 1091-1109页

作者： Kazuki Abe Hideki Fujii shinobu Yoshimura Vector Research Institute Inc.Shibuya-kuTokyo150-0002Japan School of Engineering The University of TokyoBunkyo-kuTokyo113-8656Japan

Traffic simulators are utilized to solve a variety of traffic-related *** such simulators,origin-destination(OD)traffic volumes as mobility demands are required to input,and we need to estimate *** authors regard an OD estimation as a bi-level programming problem,and apply a microscopic traffic simulation model to ***,the simulation trials can be computationally expensive if full dynamic rerouting is allowed,when employing multi-agent-based models in the estimation *** paper proposes an efficient OD estimation method using a multi-agent-based simulator with restricted dynamic rerouting to reduce the computational *** though,in the case of large traffic demand,the restriction on dynamic rerouting can result in heavier *** authors resolve this problem by introducing constraints of the bi-level programming problem depending on link *** results show that the accuracy of the link traffic volume reproduced with the proposed method is virtually identical to that of existing methods but that the proposed method is more computationally efficient in a wide-range or high-demand context.

关键词： ODestimation microscopic traffic simulation dynamic rerouting bi-level programming multi-agent basedmodel

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A simulation-based study on longitudinal gust response of flexible flapping wings

引用

Acta Mechanica Sinica 2018年第6期34卷 1048-1060页

作者： Toshiyuki Nakata Ryusuke Noda shinobu Kumagai Hao Liu Graduate School of Engineering Chiba UniversityChiba 263-8522Japan Department of Mechanical Engineering Kanto Gakuin UniversityKanagawa 263-8501Japan

Winged animals such as insects are capable of flying and surviving in an unsteady and unpredictable aerial *** generate and control aerodynamic forces by flapping their flexible *** the dynamic shape changes of their flapping wings are known to enhance the efficiency of their flight,they can also affect the stability of a flapping wing flyer under unpredictable disturbances by responding to the sudden changes of aerodynamic forces on the *** order to test the hypothesis,the gust response of flexible flapping wings is investigated numerically with a specific focus on the passive maintenance of aerodynamic forces by the wing *** computational model is based on a dynamic flight simulator that can incorporate the realistic morphology,the kinematics,the structural dynamics,the aerodynamics and the fluid-structure interactions of a hovering *** longitudinal gusts are imposed against the tethered model of a hovering hawkmoth with flexible flapping *** is found that the aerodynamic forces on the flapping wings are affected by the gust,because of the increase or decrease in relative wingtip velocity or kinematic angle of *** passive shape change of flexible wings can,however,reduce the changes in the magnitude and direction of aerodynamic forces by the gusts from various directions,except for the downward *** adaptive response of the flexible structure to stabilise the attitude can be classified into the mechanical feedback,which works passively with minimal delay,and is of great importance to the design of bio-inspired flapping wings for micro-air vehicles.

关键词： Insect flight Flapping wing Flexible wing Gust response Fluid-structure interaction Mechanical feedback

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A fate model of pathogenic viruses in a composting toilet based on coliphage inactivation

引用

Journal of Environmental Sciences 2011年第7期23卷 1194-1198页

作者： shinobu Kazama Narue Tameike Naoko Nakagawa Masahiro Otaki Department of Human Environmental Science Ochanomizu University INAX Co. 1-23-6 Yoshino-cho Kita-ku Satiama 331-0811 Japan Department of Civil and Environmental Engineering Tokyo Metropolitan University 1-1 Minamiosawa Hachioji City Tokyo 192-0397 Japan

A composting toilet using sawdust as a matrix has the potential to trap pathogens that might occasionally be contained in human feces. Therefore, care should be taken when handling the sawdust. It should also be noted that pathogenic viruses tend to have stronger tolerance than pathogenic bacteria. The fates of several species of coliphages, T4, λ, Qβ and MS2, in sawdust were investigated as a viral model. The fates of coliphages were significantly different among them, and they changed in response to temperature and the water content of the sawdust. As the results, T4 coliphage had the strongest tolerance and Qβ had the weakest one in sawdust. It was estimated the days required to decrease virus to a safe level based on a risk assessment. According to the rates of Qβ and T4, 15 days and 167 days were required respectively for a safe level of infection risk based on actually operated composting toilet condition. Thus, it was significantly different depending on the species and sawdust conditions.

关键词： composting toilet viral indicator coliphage risk assessment

来源：

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

Two-dimensional self-assembly of melem and melemium cations at pH-controlled aqueous solution-Au（111） interfaces under electrochemical control

引用

Frontiers of Chemical Science and Engineering 2016年第2期10卷 294-300页

作者： shinobu Uemura Kenki Sakata Masashi Aono Yusuke Nakamura Masashi Kunitake Department of Advanced Materials Sciences Faculty of Engineering Kagawa University Kagawa 761-0396 Japan Graduate School of Science and Technology Kumamoto University Kumamoto 860-8555 Japan

Two-dimensional self-assembly of melem at pH-controlled aqueous solution-Au（111） interfaces has been investigated by electrochemical scanning tunneling microscopy. In the solutions with pH 〉 pKbl of melem, two ordered self-assembled structures （honeycomb and close-packed structures） and one disordered fibrillar structure were observed as a function of the surface coverage ofmelem controlled by the electrode potential. In contrast, in the acidic solution with pH 〈 pKbl of melem, only the self-assembled honeycomb network was observed in a relatively wide potential range probably due to the presence of monoprotonated melem cations. Dots attrib- uted to counteranions were frequently observed in the pores of the honeycomb network. The lack of close-packed and fibrillar structures at low pH （〈 pKbl） is attributed to ionic repulsion of melemium cations.

关键词： self-assembly scanning tunneling micro-scopy electrochemistry structural phase transition melem

来源：

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

One-step phenol production from a water–toluene mixture using radio frequency in-liquid plasma

引用

Plasma Science and Technology 2017年第5期19卷 60-67页

作者： Muhammad AGUNG Shinfuku NOMURA shinobu MUKASA Hiromichi TOYOTA Otsuka KAZUHIKO Hidekazu GOTO Graduate School of Science and Engineering Ehime University Matsuyama 790-8577 Japan Faculty of Engineering Makassar State University Makassar 90-222 Indonesia Graduate School of Engineering Osaka University Suita 565-0871 Japan Author to whom any correspondence should be addressed.

The objectives of this research were to understand the process of converting toluene into phenol in a one-step process directly from a water–toluene mixture using the plasma in-liquid *** were conducted using 27.12 MHz radio frequency（RF） in-liquid plasma to decompose a solution of 30% toluene. Based on the experimental results as evaluated using gas chromatography–mass spectrometry（GC–MS）, along with additional analysis by the Gaussian calculation, density functional theory（DFT） hybrid exchange–correlational functional（B3LYP）and 6-311 G basis, the phenol generated from toluene was quantified including any *** the experiment, it was found that OH radicals from water molecules produced using RF inliquid plasma play a significant role in the chemical reaction with toluene. The experimental results suggest that phenol can be directly produced from a water–toluene mixture. The maximum phenol yields were 0.0013% and 0.0038% for irradiation times of 30s and 60s,respectively, at 120 W.

关键词： phenol toluene radio frequency in-liquid plasma Gaussian calculation

来源：

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

Wavelength-Dependent Transient Characteristics Caused by Gain Saturation in Highly Nonlinear Fiber-Based Raman Amplifiers

引用

光学学报 2003年第S1期23卷 417-418页

作者： shinobu Tamaoki Tetsufumi Tsuzaki Motoki Kakui Masayuki Shigematsu Sumitomo Electric Industries Ltd. 1 Taya-cho Sakae-ku Yokohama 244-8588 JapanSumitomo Electric Industries Ltd. 1 Taya-cho Sakae-ku Yokohama 244-8588 JapanSumitomo Electric Industries Ltd. 1 Taya-cho Sakae-ku Yokohama 244-8588 JapanSumitomo Electric Industries Ltd. 1 Taya-cho Sakae-ku Yokohama 244-8588 Japan

We have investigated the transient characteristics of discrete Raman Amplifiers and found that the response time caused by gain saturation is dependent upon the wavelength, which corresponds to the effective length of... 详细信息

关键词： by on length in Wavelength-Dependent Transient Characteristics Caused by Gain Saturation in Highly Nonlinear Fiber-Based Raman Amplifiers

来源：

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

Influence of morphology of hollow silica-alumina composite spheres on their activity for hydrolytic dehydrogenation of ammonia borane

引用

Journal of Advanced Ceramics 2017年第4期6卷 368-375页

作者： Naoki TOYAMA Ryota OGAWA Haruki INOUE shinobu OHKI Masataka TANSHO Tadashi SHIMIZU Tetsuo UMEGAKI Yoshiyuki KOJIMA Department of Materials&Applied Chemistry College of Science&EngineeringNihon University1-8-14Kanda-SurugadaiChiyoda-KuTokyo 101-8308Japan National Institute for Materials Science 3-13SakuraTsukubaIbaraki 305-0003Japan

Hollow silica-alumina composite spheres were prepared by a polystyrene(PS)template method using various amounts of PS *** hollow spheres prepared using 40 g were found to be with a diameter of about 300 nm in scanning electron microscopy,and transmission electron microscopy demonstrated their hollow sphere *** the nitrogen adsorption isotherm results,the homogeneous hollow spheres prepared using 40 g of the PS suspension were found to be an ordered pore *** activities of the hollow spheres prepared using various amounts of the PS suspension for hydrolytic dehydrogenation of ammonia borane were *** results showed that 10,7,and 6 mL of hydrogen were evolved from the aqueous ammonia borane solution in about 40 min in the presence of the hollow spheres prepared using 40,80,and 120 g of PS suspension,*** homogeneous hollow spheres with an ordered pore structure showed the highest activity among all the hollow *** amount of acid sites and the coordination number of aluminum active species were characterized using neutralization titration and solid-state ^(27)Al magic angle spinning nuclear magnetic resonance *** homogeneous hollow spheres with an ordered pore structure had high amount of acid sites and 4-coordinated aluminum *** relative proportion of 4-coordinated aluminum species was related to the dispersion of aluminum *** results indicate that the homogeneous hollow spheres with an ordered pore structure showed the high activity because of high amount of acid sites induced by the highly dispersed aluminum species.

关键词： ammonia borane morphology hollow silica-alumina composite spheres dispersion acid sites

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：