精華區beta NTU-Exam 關於我們 聯絡資訊
課程名稱︰材料科學導論 課程性質︰選修 課程教師︰呂宗昕 開課學院:工 開課系所︰化工系 考試日期(年月日)︰4 12 2011 考試時限(分鐘):2小時 是否需發放獎勵金:YES (如未明確表示,則不予發放) 試題 : 1. Describe the 3 disadvantage points and advantage points for paper in cooking pots. 2. (a) please describe the possible reasons for Fukushima nuclear plant accident? (b) try to think 5 possible ways to avoid Fukushima nuclear plant accident in advance. 3. calculate the angle between C-H bonding in methane. Use the concept of angle between 2 directions in a crystal structure. 4.(a) describe the definition of hexagonal and monoclinic structure. (b)draw the (213) plane in a cubic structure. 5. the metal iridium has FCC crystal structure. If the angle of diffraction for the (220) set of planes occurs at 69.22 degree (first order) when the X-radiation having a wavelength of 0.1542 nm is used. Calculate the interplanar spacing for the set of planes and the atomic radius for an iridium atom. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.112.54.15 ※ 編輯: jasonfghx 來自: 140.112.115.226 (04/17 15:25)