問題詳情

39.複合樹脂在磨光(polish)後,隨著長期接觸飲料與食物後,下列敘述何者正確?
(A)最易保持光澤:奈米粒子型複合樹脂(nanofilled composite),最易失去光澤:巨粒子型複合樹脂 (macrofilled composite)
(B)最易保持光澤:巨粒子型複合樹脂(macrofilled composite),最易失去光澤:混雜型複合樹脂(hybrid composite)
(C)最易保持光澤:混雜型複合樹脂(hybrid composite),最易失去光澤:奈米粒子型複合樹脂(nanofilled composite)
(D)最易保持光澤:巨粒子型複合樹脂(macrofilled composite),最易失去光澤:奈米粒子型複合樹脂 (nanofilled composite)

參考答案

答案:A
難度:簡單0.667
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用户評論

【用戶】yun

【年級】高三下

【評論內容】Materials with small filler particles are inherently more polishable, retain their polish for longer periods, and have improved wear resistance.Filler 粒子越小:越容易拋光、保持拋光光澤、抗磨耗性越好--> 故選擇(A)