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Preparation and characterization of nano-CaO based on eggshell waste：Novel and green catalytic approach to highly efficient synthesis of pyrano[4,3-b]pyrans
Nano-calcium oxide Eggshell waste Biocatalyst Pyrano[4,3-b]pyrans Ball-mill
2014/3/8
Nano-CaO was prepared by calcination of ball-milled chicken eggshell waste. This novel, bioactive, heterogeneous catalyst, which had high catalytic activity and reusability, was used in the green synt...
基于粗糙集与支持向量机的禽蛋蛋壳无损检测（Nondestructive Testing of Eggshell Based on Rough Sets and Support Vector Machine基于粗糙集与支持向量机的禽蛋蛋壳无损检测 Nondestructive Testing of Eggshell Based on Rough Sets and Support Vector Machine）
蛋壳 无损检测 支持向量机
2009/5/22
针对当前禽蛋蛋壳无损检测系统存在检测精度不高的问题，提出粗糙集和支持向量机相结合的方法进行分类器的设计。首先，基于粗糙集理论对特征参数集进行属性约简，在约简过程中，利用模糊C均值聚类算法对特征参数进行量化，并基于属性重要性的启发式搜索对条件属性进行约简；然后，在属性约简的基础上完成支持向量机分类器的训练，在训练过程中，通过交叉验证法对分类器模型参数进行了优化。实验结果表明该方法的分类准确率能够达到...
Eggshell crack detection based on acoustic impulse response and supervised pattern recognition
eggshell crack detection acoustic resonance supervised pattern recognition
2014/3/7
A system based on acoustic resonance was developed for eggshell crack detection. It was achieved by the analysis of the measured frequency response of eggshell excited with a light mechanism. The resp...