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101年 - 101 關務特種考試_四等_紡織工程:紡織纖維學概要#45246
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題組內容
三、有關羊毛纖維,請說明下列事項:
⑵何謂雙相構造?(5 分)
其他申論題
二、英文作文:請就以下主題寫一篇大約 250 字的文章。(25 分) Most people desire to live in a “golden age” while others feel “golden age” is a dream constantly deferred. Write an essay in which you depict an ideal “golden age.” It could either involve a story about the past or project a vision for the future. Your essay must include an introduction, a body in which you explain what constitutes your ideal golden age, and a conclusion to wrap up your essay.
#151565
一、各國政府全面關注環境保護議題,聚乳酸纖維(Polylactic Acid, PLA)為環保型綠 色纖維,試說明該纖維之原料、化學結構通式,以及紡絲方法。(20 分)
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二、超高分子量聚乙烯纖維(UHMWPE)為高性能纖維,試說明超高分子量聚乙烯纖 維之製備方式、性質及其應用。(20 分)
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⑴由羊毛橫斷面觀察,由那些不同細胞組成?(5 分)
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⑶由於羊毛的雙相構造,會使羊毛巨視外觀具有何特性?(5 分)
#151570
⑷羊毛特有的胱胺酸(Cystine),其化學組成為何?(5 分)
#151571
四、市面上許多衣物會標榜「抗菌」效果,試問如何使纖維具備抗菌之效能?(20 分)
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五、進行纖維強度測試時,實際強度值與理論強度值會有差距。試分析造成此差異之原 因。(20 分)
#151573
1.Em Portugal as festas populares, _____ festejos se realizam em Junho, são muito animadas.
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2._____ esteja cansadíssimo depois de trabalho, vou ao concerto hoje à noite.
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