探讨镓盐对大鼠骨质疏松骨组织板层结构的影响。
To investigate the effect of gallium on the bone lamellar structure of osteoporosis.
晶粒细小，结构疏松，应变能大的氧化镁粉末具有较高的活性。
MgO powders, with small particle size, loose structure and high strain energy, have high activity.
所有腐植酸都有疏松的海绵结构，同时有大量的内部空间。
All HA's showed a loose spongy structure with a large number of internal Spaces.
所有腐植酸都有疏松的海绵结构，同时有大量的内部空间。
All HA's showed a loose spongy structure with a large number of internal Spaces.
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