The PVA grinding wheels are elastic grinding wheels bonded with Polyvinyl Alcohol and are much characterized by the sponge structure.
PVA磨轮是由聚乙烯醇所结合而成的弹性磨轮，并以海绵状的结构为其特徵。
The extrudates appear a sponge structure, and have the chewiness properties of meat. The results of scanning electron micrograph show t...
挤出物呈多孔膨松结构，并且具有类似畜肉的韧性和咀嚼感。
The structure and mechanical properties of silica sponge spicule found in China Bo-hai were studied.
研究了我国渤海海域发现的一种硅质海绵骨针的结构和力学性能。
After soaking for 9 days, the plate-like structure is turned into a sponge-like structure, and the mesopores partially disappear.
当浸泡时间延长到9天，涂层形貌由片状转化成海绵状，而且介孔结构部分消失。
Sponge-like pore structure with larger porosity and connectivity and permanent hydrophilic modification obtains much flux and high strength.
海绵状孔结构获得较大孔隙率和连通度和永久亲水改性获得较大通量和强度。
The leaf anatomic structure indicated that mesophyll was without the differentiation of palisade and sponge tissue. And the mesophyll cell is large and function as water storage.
叶肉细胞没有栅栏组织与海绵组织之分，细胞比较大，有贮水作用。
The nexine is thicker, but the structure of the bacula becomes hardly differentiation, it looks like sponge as a whole.
外壁内层较为厚实 ，但柱状结构分化不明显 ，整体呈海绵状 ；
The nexine is thicker, but the structure of the bacula becomes hardly differentiation, it looks like sponge as a whole.
外壁内层较为厚实 ，但柱状结构分化不明显 ，整体呈海绵状 ；
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