搜索结果: 1-14 共查到“工学 Skeleton”相关记录14条 . 查询时间(0.099 秒)
Facile Construction of Bio-Based Supramolecular Hydrogels from Dehydroabietic Acid with a Tricyclic Hydrophenanthrene Skeleton and Stabilized Gel Emulsions
bio-based supramolecular hydrogels dehydroabietic acid oil-in-water gel emulsions
2023/12/5
Supramolecular hydrogels have attracted great attention due to their special properties. In this research, bio-based supramolecular hydrogels were conveniently constructed by heating and ultrasounding...
EXTRACTION OF OPTIMAL SKELETON OF POLYGON BASED ON HIERARCHICAL ANALYSIS
Optimal Skeleton Algorithm Hierarchical Structure
2016/3/17
Skeleton is an important 1-D descriptor of polygon and a useful tool for advanced geometric algorithms. However the skeleton that most existing algorithms investigated is the longest one, which is not...
Stable Fast Rewiring Depends on the Activation of Skeleton Voxels
fMRI rewiring functional network
2013/7/24
Compared with the relatively stable structural networks, thefunctional networks, defined by the temporal correlation between remoteneurophysiological events, are highly complex and variable. How...
Analysis of structural properties of aluminium skeleton castings regarding the crystallization kinetics
Casting Skeleton casting Solidification
2009/12/3
Purpose: The aim of this research was the definition of technological parameters influence and modification treatment on structural properties of closed skeleton castings. Approach obtained maximal re...
基于骨架模型的玉米生长运动仿真与动画生成技术（Growth Simulation and Animation Creation of Corn Based on Skeleton Model）
虚拟作物 生长可视化 骨架模型
2009/11/3
为了实现作物生长过程的定量化、可视化表达，提出了一种由作物形态结构特征参数驱动的作物骨架模型生长运动仿真和动画生成方法。基于对作物器官及个体精确定义的几何模型提取作物骨架，利用几何模型参数控制骨架上关节点的运动，结合参数关键帧插值技术确定整个骨架模型的生长运动，实现对作物生长运动的可视化模拟。从而构建一个虚拟作物骨架模型的三维生长动画系统，并以玉米为例进行了模拟。实验结果表明该方法能够较准确地模拟...
提出了一种基于立体视觉原理的玉米植株三维骨架提取和重构方法，从两幅由特定角度拍摄的图像提取植株二维骨架信息，通过极线约束算法和设定合理的匹配准则，实现骨架特征匹配，获得三维骨架的点云信息并降噪，最终通过样条曲线拟合产生三维骨架模型。在该骨架模型基础上，能够进行叶长、茎叶角等作物重要参数的计算。试验结果表明，该方法可以快捷地重建玉米植株的骨架模型，且误差不超过2%。 A method for ext...
Studies of structural and mechanical properties of aluminum skeleton castings
Skeleton casting Structure Compression strength AlSi alloy
2011/3/31
Skeleton castings were manufactured in accordance to elaborated production technology. The subject of the research was the microstructural analysis of non - monolithic castings. Analysis of metallogr...
Studies of structural and mechanical properties of aluminum skeleton castings
Skeleton casting Structure Compression strength AlSi alloy
2011/3/31
Skeleton castings were manufactured in accordance to elaborated production technology. The subject of the research was the microstructural analysis of non - monolithic castings. Analysis of metallogr...
Numerical simulation of pouring and solidification of closed skeleton casting
Skeleton castings Simulation AlSi Solidification
2011/3/17
In this work authors showed results of simulation manufacturing closed skeleton casting. The aim of conducted simulations was the choice of thermal and geometrical parameters for the needs of designed...
Microstructure quantitative analysis of aluminum skeleton castings
Skeleton casting Core AlSi alloy Microstructure
2011/3/17
In this article authors showed method for manufacturing of closed skeleton castings with hypo – eutectic and eutectic aluminium alloys.
Structural analysis of aluminum skeleton castings
Cellular material Skeleton casting Structure Core AlSi alloy
2011/3/15
In this article authors showed method for manufacturing of skeleton castings with continuous external surface. Wall thickness of the external surface was 6 mm.
Simulation of mould filling process for composite skeleton castings
Casting composite Solidification Particles Stirring
2011/3/15
In this paper technological and material conception of composite manufacturing with intensify of ex-situ powders and some results was shown. Technology of powders stirring with liquid metal in the cru...
Validation Studies of Temperature Distribution and Mould Filling Process for Composite Skeleton Castings
Skeleton castings Composite Simulation Casting
2011/3/11
In this work authors showed selected results of simulation and experimental studies on temperature distribution during solidification of composite skeleton casting and mould filling process (Fig. 4, 5...
AUTOMATIC EXTRACTION OF TERRAIN SKELETON LINES FROM DIGITAL ELEVATION MODELS
Cartography Geomorphology Extraction
2015/6/1
Terrain skeleton lines, among the most significant elements of topographical maps, are the valley lines that connect the deepest
points of valleys, and the ridge lines that connect the highest point...