图 3.
Surface morphology of the Ti disks observed by SEM
扫描电镜观察抗菌肽聚合物涂覆前后钛片表面形貌
左：旋涂前；右：旋涂后 a. ×2 000；b. ×80 k
Left: Before spin-coating; Right: After spin-coating a. ×2 000; b. ×80 k
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