surface porosity

The particles may be spherical or irregular, of varying porosity and specific surface area.

颗粒可以是球型的,也可以是不规则形状的, 多孔性和比表面积有所不同.

Cortical porosity and micro canal surface density are different between 2 D calculation and 3 D measurement.

二维推算与三维模型直接测量得到的孔隙率、微管表面积密度不同.

Centrifugal casting, compact structure, free from pinhole porosity and slag, smooth surface and even wall thickness.

高速离心铸造, 组织致密, 无砂眼、夹渣, 表面光滑、壁厚均匀.

Using this method , the porous body maintain its original porosity when its surface wearability is improved.

渗硼的多孔体保持了原有的孔隙特性,并提高了表面耐磨性.

Due to the special structure and strict technical requirements of the front shock absorber sleeve of motorcycle, which leads to casting defects, such as shrinkage porosity, surface blowhole, are very easy to occur in production.

铝合金摩托车液压式前减震器筒体特殊的结构、严格的技术要求，导致生产中铸件很容易出现缩松、皮下气孔等缺陷。

The particles are characterized by XRD, TEM and Micromeritics ASAP 2020 M surface areas and porosity analyzer.

并采用XRD 、 TEM和ASAP2020物理吸附仪等测试手段进行了表征.