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Duodenal and ileal glucose infusions differentially alter gastrointestinal peptides, appetite response, and food intake: a tube feeding study
glucose appetite food intake brake ileum duodenum GLP-1 PYY ghrelin
2018/11/16
Background: Activation of the ileal brake through the delivery of nutrients into the distal small intestine to promote satiety and suppress food intake provides a new target for weight loss. Evidence ...
IMPACT OF SCHEMATIC DESIGNS ON THE COGNITION OF UNDERGROUND TUBE MAPS
Schematic maps Map design Map cognition
2016/7/8
Schematic maps have been popularly employed to represent transport networks, particularly underground tube lines (or metro lines), since its adoption by the Official London Underground in early 1930s....
Energy Estimates for Nonlinear Conservation Laws with Applications to Solutions of the Burgers Equation and One-Dimensional Viscous Flow in a Shock Tube by Central Difference Schemes
Energy Estimates Nonlinear Conservation Laws Applications Solutions Burgers Equation One-Dimensional Viscous Flow
2015/7/2
A prime focus in the development of computational fluid dynamics (CFD) for aeronautics has been the simulation of transonic and supersonic flows which generally contain shock waves, contac...
Formulation of Kinetic Energy Preserving Conservative Schemes for Gas Dynamics and Direct Numerical Simulation of One-Dimensional Viscous Compressible Flow in a Shock Tube Using Entropy and Kinetic Energy Preserving Schemes
Preserving Conservative Schemes Gas Dynamics Direct Numerical Simulation One-Dimensional Viscous Compressible Flow
2015/7/2
This paper follows up on the author’s recent paper “The Construction of Discretely Conservative Finite Volume Schemes that also Globally Conserve Energy or Enthalpy”.
Formulation of Kinetic Energy Preserving Conservative Schemes for Gas Dynamics and Direct Numerical Simulation of One-dimensional Viscous Compressible Flow in a Shock Tube Using Entropy and Kinetic Energy Preserving Schemes
Energy Preserving Conservative Kinetic Energy Preserving
2015/6/23
This paper follows up on the author’s recent paper “The Construction of Discretely
Conservative Finite Volume Schemes that also Globally Conserve Energy or Enthalpy”.
In the case of the gas dynamics...
Energy Estimates for Nonlinear Conservation Laws with Applications to Solutions of the Burgers Equation and One-Dimensional Viscous Flow in a Shock Tube by Central Difference Schemes
Energy Estimates Central Diff erence Schemes
2015/6/18
The use of energy estimates to establish the stability of dis
crete approximations
to initial value problems has a long history. The energy meth
od is discussed in
the classical book by Morton and...
Optimization of Mixing in a Simulated Biomass Bed Reactor with a Center Feeding Tube
Simulated Biomass Bed Reactor a Center Feeding Tube
2014/10/23
Producing gasoline-type fuels from lignocellulosic biomass has two advantages over producing alcohol-type fuels from plant sugars: gasoline has superior fuel characteristics and plant lignin/cellulose...
Twin-tube-and bypass-containing magneto-rheological damper for use in railway
Magneto-rheological fluid magneto-rheological damper twin-tube bypass radial flow railway vehicle
2015/3/24
A 9-kN magneto-rheological (MR) damper for lateral suspension control of a railway vehicle is created in this paper. The twin-tube style is adopted in order to obtain a long damper stroke and guarante...
Numerical analysis of the axially loaded concrete filled steel tube columns with debonding separation at the steel-concrete interface
debonding separation concrete filled steel tube axial compression load carrying capacity
2014/4/10
The interaction between steel tube and concrete core is the key design considerations for concrete-filled steel tube columns. In a concrete-filled steel tube (CFST) column, the steel tube provides con...
Fabrication and Characteristics of Cr-Doped Fibers Employing Powder-in-Tube Technique
Fiber design and fabrication Fiber materials Fiber optics amplifier oscillators
2015/5/26
The fabrication of Cr-doped fibers (CDFs) using fiber drawing-tower combined with non-silica powder-in-tube (PIT) technique to achieve the active application of chromium ions in fiber is demonstrated ...
Seismic Performance Evaluation of a Steel-concrete Hybrid Frame-tube High-rise Building Structure
seismic performance nonlinear earthquake response analysis steel-concrete hybrid structure
2014/4/10
Due to its unique advantages, the steel-concrete hybrid structure has been widely used in tall buildings around the world. In Mainland China it has been utilized as one of the most popular structural ...
导向管喷动床中煤和稻秸粒混料的流动特性试验（Flow Characteristics of Straw with Coal in Draft Tube Spouted Bed）
生物质 气化 喷动床
2010/12/29
将导向管喷动床改进为煤粒和稻秸粒混料气化设备，通过导向管喷动床内进行的稻秸粒与煤粒混合物料冷态流动特性试验，给出喷动的流体力学条件。研究了床层压降随表观风速的变化规律，稻秸粒和煤粒混合比例、喷口直径和导向管喷口间距3因素对床层压降与表观风速关系曲线的影响以及对物料循环速率与风量关系曲线的影响。进行了3因素12拟水平的均匀设计试验，采用SPSS软件进行回归分析，分别得到了物料循环速率、单位床高压降及...
下降管式生物质快速热解反应器温度场控制与检测（Control and Measurement of Temperature Field in a Down-flow Tube Reactor）
生物质快速热解反应器 下降管 温度
2010/12/28
下降管式生物质快速热解器内部温度场的准确控制与测量，是影响生物质快速热解挥发的一个关键因素。为了研究物质快速热解热挥发特性，设计制作了下降管式生物质快速热解反应器及其温度场的控制与检测系统，并且利用该反应器进行了玉米秸秆粉末快速热解挥发特性实验。实验结果表明，该实验装置能够对反应温度进行准确控制和测量；玉米秸秆粉的热解挥发率随热解温度的升高、停留时间的增加呈非线性增大。
圆管表面斜裂纹应力强度因子和临界裂纹长度仿真分析（Simulation of Stress Intensity Factors and Critical Crack Length of Surface Oblique Crack on Round Tube）
表面斜裂纹 应力强度因子 临界裂纹长度 应变能密度
2010/12/28
针对圆管表面斜裂纹，建立基于弹性断裂理论和复变函数理论的计算模型。研究圆管表面斜裂纹发生扩展时临界状态所对应的应力强度因子和裂纹临界尺寸在各种相关因素影响下的变化规律。以I、II型复合裂纹为例，采用应变能密度理论对其进行了分析。对开裂角、裂纹所处角度及裂纹的几何尺寸等因素的影响进行仿真计算。得到裂纹所处角度对复合型裂纹两个应力强度因子影响的曲线，并对其影响的程度进行了比较。另外，对裂纹所处角度和开...
Shock tube study of n-decane ignition at low pressures
Ignition delay time n-Decane Heated shock tube
2012/2/24
Ignition delay times for n-decane/O_2/Ar mixtures were measured behind reflected shock waves using endwall pressure and CH* emission measurements in a heated shock tube. The initial postshock conditio...