研究不同等级和不同存放时间信阳毛尖茶叶中的多糖含量及提取得率。
The content and extraction yield of polysaccharide from Xinyang Maojian teas of different grades and storage time were studied in the article.
以弧段动力学作为区域轮廓的显著性评价，提出了一种多等级区域轮廓提取的高效方法。
Using arc dynamic as a measurement of contours saliency, one hierarchical contours detection method of high efficiency was proposed.
甘草酸提取的众多影响因素中，存在显著性差异的是提取温度、提取次数、提取时间、加酸量和甘草等级。
Moreover, the condition of extraction about many factors, for example, the effect of extracting agent, temperature, time, pH valve and species were studied in th…
特征提取是葡萄干等级检测的基础，该文在研究极惯性矩计算长短轴方法的基础上，提出一种利用数值微分法进行长短轴检测的新方法。
Based on studying the way of polar moment of inertia, a new method of major and minor axis detecting by DDA was provided.
特征提取是葡萄干等级检测的基础，该文在研究极惯性矩计算长短轴方法的基础上，提出一种利用数值微分法进行长短轴检测的新方法。
Based on studying the way of polar moment of inertia, a new method of major and minor axis detecting by DDA was provided.
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