搜索结果: 1-14 共查到“工学 dimensions”相关记录14条 . 查询时间(0.065 秒)
中国地质大学科学技术发展院戴志高(特任教授)等,材料与化学学院,Chemical Reviews(June 4, 2020),Artificial Metaphotonics Born Naturally in Two Dimensions
自然孕育;二维材料;人工;超光子学
2021/10/15
2020年6月4日,国际化学顶级刊物《化学评论》刊发了中国地质大学题为“Artificial Metaphotonics Born Naturally in Two Dimensions (自然孕育于二维材料中的人工超光子学)”的综述性论文。该文第一作者为中国地质大学材料与化学学院特任教授戴志高,新加坡国立大学仇成伟教授、澳大利亚蒙纳士大学鲍桥梁教授为共同通讯作者。
ACCURACY DIMENSIONS IN REMOTE SENSING
accuracy data quality data dimensions uncertainty metrics procedures
2018/5/11
The technological developments in remote sensing (RS) during the past decade has contributed to a significant increase in the size of data user community. For this reason data quality issues in remote...
Turbulent Vortieity Transport in Three Dimensions
Turbulent Vortieity Transport Three Dimensions
2016/5/18
The nature of vorticity transport in three-dimensional turbulent flow is investigated using data from a direct numerical simulation of channel flow. An extension of Taylor's (1932) vorticity transport...
Analysis of steady transonic isentropic flow in two dimensions
transonic isentropic flow aircraft affine transformation conformal mapping
2013/9/2
Firstly, this paper presents a new expression which changes the isentropic flow equation into Cauchy-Riemann quation, and the exact solution of subsonic flow around an arbitrary two dimensional body i...
Observation study of pedestrian flow on staircases with different dimensions under normal and emergency conditions
Evacuation Staircase movement Student crowd Emergency management
2012/3/23
Compared with horizontal motion, there were several characteristics in staircase movement. This study focused on the movement characteristics in staircases of typical student crowds and the quantitati...
In this study, the authors identify twelve dimensions of cyberspace on the Web through factor analyses of data generated by coders of web sites. A lengthy list of Web site attributes is summarized in ...
Evaluation of Statistical Modeling Techniques in the Investigation of the Dimensions of Machined Components
Dimension measurement statistical modeling beta distribution function
2009/10/15
In this study, an investigation was conducted to find the behavior of the variation of the dimensions of machined workpieces collected for quality control purposes and to propose statistical distribut...
A Mathematics Model For Determination of Heater and Cooler Dimensions of A Stirling Engine
Stirling Engine Heater and Cooler Finite Dierence Method
2009/10/14
In this study the dimensions of the heater and cooler of a Stirling engine are estimated by simulating the velocity and temperature fields in the heater and cooler using nite difference method. For a...
基于色调分形维数的柑橘糖度和有效酸度检测(Sugar Content and the Valid Acidity Test of the Citrus Based on the Fractal Dimensions of Hue)
柑橘 糖度 有效酸度 机器视觉 无损检测 色调 分形维数
2010/4/1
研究了宫川温州蜜柑糖度及有效酸度的机器视觉检测技术及影响检测精度的因素。对机器视觉系统采集的柑橘图像进行图像裁切、亮度法去图像背景和RGB空间至HSI空间的转换,将柑橘色调范围分割为0°~20°、20°~40°、40°~60°、60°~80°、80°~100°和100°~120°共6个区域,提取各区域色调分形维数,以此作为BP神经网络输入,无损检测宫川温州蜜柑糖度及有效酸度。167个测试样本的检测...
Two-Photon Microscopy for the Observation of Internal Defects in Semiconductor Crystals in Three-Dimensions
Two-photon excitation Laser scanning microscopy Confocal microscopy
2009/6/12
We present a method of three-dimensional observation of internal defects in semiconductor crystals for blue lasers by use of two-photon process. We excite photoluminescence by using two-photon process...
Application of the Image Analysis Technique for Estimating the Dimensions of Spliced Connections of Yarn-Ends
digital image acquirement image correction median filtration Laplace filter
2009/2/11
In order to determine the geometrical dimensions of the spliced connections of yarn-ends, an algorithm was elaborated using the image analysis technique to determine their dimensions.
By applying a L...
Utilisation of the method of stress limit for designing the motion screw dimensions
Euler Tetmayer motion screw slenderness ratio stress screw drift
2014/2/27
A design of the motion screw using the method of stress limit is described. Further general formulas are induced to design such kind of screws, applied to an example of 11500 (EN ISO E295) steel made ...
专著信息
书名
“Structural transformation mediated by o-, m-, and p-phthalates from two to three dimensions for manganese/phthalate/4,4'-bpy complexes(4,4'-bpy = 4,4'-bipyridine),
语种
英文
撰写或编译
作者
C. Ma,C. Che...
The Elemental Contents and Fractal Dimensions of PM2.5 in Taipei City
PM2.5 Elemental Contents
2016/3/31
The Elemental Contents and Fractal Dimensions of PM2.5 in Taipei City。