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Characteristic Aroma Components of the Volatile Oil of Yellow Keaw Mango Fruits Determined by Limited Odor Unit Method
mango Mangifera indica L. ‘Keaw’ odor detection threshold
2009/6/18
Odor detection thresholds of optically active compounds and other volatile compounds found in the oil of yellow Keaw mangoes were determined. Odor intensity of individual components was evaluated by L...
Characteristic Aroma Components of Tosa-buntan(Citrus grandis Osbeck forma Tosa)Fruit
Citrus Tosa-buntan Citrus grandis Osbeck forma Tosa
2009/6/18
The volatile components of Tosa-buntan (Citrus grandis Osbeck forma Tosa) cold-pressed peel oil were studied by GC and GC-MS. The characteristic aroma compounds were investigated by GC-olfactometry in...
The Correlation between Rheological Properties and Characteristic Values of Structure for Steamed Abalone Meat
abalone steam structure image processing
2009/6/17
The quantitative correlation between rheological properties and characteristic values of structure for steamed abalone meat was studied. Abalone Haliotis discus was steamed in a food steamer for 1 h, ...
滚动轴承摩擦力矩的非线性特征(Nonlinear Characteristic of Rolling Element Bearing Friction Torque)
滚动轴承 摩擦力矩 时间序列
2009/5/22
以混沌理论为基础,通过试验研究滚动轴承摩擦力矩时间序列的非线性特征评估问题,为精确计算滚动轴承摩擦力矩的动态性能奠定基础。用关联维数标准差刻画摩擦力矩的不确定性,用关联维数均值描述摩擦力矩非线性特征的演变历程。研究表明,滚动轴承属于确定的非线性动力学系统,但其摩擦力矩呈现出明显的不确定性。随着转速的增加,滚动轴承摩擦力矩关联维数标准差与均值都呈现出非线性增大的趋势。
内燃—直线发电集成动力系统的喷油器流量特性(Flux Characteristic of Injector for Internal Combustion Linear Generator Integrated Power System)
内燃机 直线电机 喷油器
2009/5/22
为确定符合内燃—直线发电集成动力系统(ICLG)工作要求的电控喷油器,在分析喷油器工作原理的基础上,建立了一套用于喷油器流量特性研究的测控系统。本文利用该系统对所选用的喷油器进行了流量特性测试,得到了其动态流量特性曲线,并通过误差分析和电流信号分析,最终确定了该喷油器的喷油量计算公式,为燃油量的精确控制提供了依据。
双转子自同步系统同步行为分析(Analysis of Synchronous Characteristic for Self-synchronization System with Dual Rotors)
振动同步 自同步 相位同步
2009/5/22
同步现象广泛存在于工程领域中,双偏心回转式激振器驱动的同步振动系统可以简化为一个双转子自同步系统。以某典型万能同步实验台为对象,定量研究几种典型情况时该自同步振动系统各参数变化的规律及其同步特征,结果充分验证了该类振动系统具有自行恢复同步的能力。以该实验台实测数据为参考,与实测结果进行对比,证明了仿真计算结果的合理性。并且,通过实验和仿真发现激振力不等情况下,即使关掉激振力大的电动机电源,系统仍能...
A Study on Characteristic of Compression Waves in Seaquake Generation Tank
Seaquake Generation Tank Compression Waves Three-Dimension BIEM
2009/5/19
A seaquake generation tank was constructed, in order to verify the validity of the numerical calculation method of seaquake. For the first step of the study, the seismic wave field and pressure distri...
自由活塞式内燃发电机动态仿真与特性分析 Dynamic Simulation and Characteristic of Free Piston Generator
自由活塞 内燃机 直线电机
2009/5/18
根据自由活塞式内燃发电机的运行原理,建立了基于动力学和热力学方程的自由活塞式内燃发电机动力学模型。通过对动力学模型的数值求解,获得了系统的动态特性,并进一步分析了质量、输入能量、点火位置、负载等对系统性能的影响,同时对系统频率特性进行了研究。研究结果表明系统为自激系统,通过输入参数的合理控制,可实现系统稳定频率下的运行。
鼹鼠爪趾几何结构量化特征分析(Quantitative Characteristic Features of Geometric Structures of Claws of Mole Rat)
仿生学 鼹鼠 爪趾 几何结构特征 量化分析
2010/5/5
土壤洞穴动物鼹鼠具有极高的挖掘效率,前足爪趾是其主要挖掘器官。分析了鼹鼠中重要种属——麝鼹(Scaptochirus moschatus)具有优良挖掘功能的前足爪趾的几何结构特征,重点分析了前足爪趾触土面的几何结构。利用体视显微镜观察分析前足爪趾的宏观几何结构,通过逆向工程技术获取爪趾三维数据点云进行特征曲线量化分析,求得前足爪趾特征轮廓线的曲率及二阶导数的变化规律:鼹鼠爪趾纵向轮廓曲率变化较小,...
Distribution and characteristic features of volcanic rocks in and around the Minami Nagaoka Gas Field from the view point of reservoir geology
Green Tuff volcanic reservoir reservoir heterogeneity volcanic sequence
2009/4/24
The distribution pattern of the Green Tuff rock type and facies in the Niigata Sedimentary Basin, with a central focus on the ‘Nagaoka Area’, may have been controlled by rifting and other structural ...
Evaluation of “Shittori” Characteristic for Fabrics
Shittori Tactile sensation Objective evaluation Sensory evaluation
2009/4/13
“Shittori” in Japanese word of the human tactile sensation was not the same as smoothness. We evaluated the “shittori” feeling for fabrics by the sensory evaluation such as Kendall’s rank method, Sc...
Geometric reasoning in 3D building models using multivariate polynomials and characteristic sets
geometric reasoning constraints theorem proving Wu’s method multivariate polynomials 3D building models
2016/4/11
In order to generate complex virtual cities, models of buildings have to be defined in advance. A common approach describes individual components of these buildings, which are in turn restricted by ge...
AN INVESTIGATION INTO THE EFFECT OF PHOTOVOLTAIC MODULE ELECTRIC PROPERTIES ON MAXIMUM POWER POINT TRAJECTORY WITH THE AIM OF ITS ALIGNMENT WITH ELECTROLYZER U-I CHARACTERISTIC
operating (U-I) characteristic maximum power point electrolyzer
2010/12/2
In order to combine a photovoltaic module and an electrolyzer to produce hydrogen from water, an intermediate DC/DC converter can be used to adapt output power features of the module to input power fe...
Relationship Between Shear Strength and Soil Water Characteristic Curve of an Unsaturated Granitic Residual Soil
Matric suction shear strength
2009/3/19
Shear strength parameters are crucial for stability analyses of slopes against slope failures and landslides. The three shear strength parameters that are required to define a failure envelope of an u...
Influence of drying procedure on colour and rehydration characteristic of wild asparagus
wild asparagus drying procedure rehydration colour
2014/3/7
The objective of this research was to examine the influence of different drying procedures on the colour quality and rehydration capacity of wild asparagus (Asparagus maritimus L.). Wild asparagus sam...