The results showed that the image analysis method can obtain the average value and distribution curve of ratio of length to diameter for vilnite powder with needle shape.

研究表明图像分析方法可以直接给出硅灰石针状粉末的平均长径比及不同长径比的分布情况。

youdao

Aimed at the characteristics of image electrostatic powder, that system adopts to adaptive threshold partition boundary chain-code image processing technique.

该系统针对静电粉末图像的特点采用了自适应阀值分割、边界链码图像处理技术。

youdao

Pore structure and characteristic of porous display plate materials are the main factors affecting the image, and in turn depend on the properties of powder and its manufacture technologies.

多孔显示板材料的孔隙结构和特性是影响其显示图像的主要因素，而孔隙结构和特性又主要取决于粉末原料的性质及制取材料的工艺。

youdao