Browsing by Issue Date, starting with "2011-03-18"

Now showing 1 - 20 of 41910

One-Pot Strategies for the Synthesis of the Tetrasaccharide Linkage Region of Proteoglycans
(2011-03-18)
Huang, Teng-Yi
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Zulueta, Medel Manuel L.
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Hung, Shang-Cheng
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應用化學系
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Department of Applied Chemistry
A linker-attached tetrasaccharide corresponding to the linkage region of proteoglycans was synthesized via one-pot procedures from the silylated monosaccharide derivatives. Regioselective one-pot protection protocols were applied in generating the requisite monosaccharide building blocks whereas stereoselective one-pot glycosylation approaches were utilized to assemble the tetrasaccharide skeleton.
Annulation of Benzamides with [60]Fullerene through Palladium(II)-Catalyzed C-H Bond Activation
(2011-03-18)
Chuang, Shih-Ching
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Rajeshkumar, Venkatachalam
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Cheng, Chun-An
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Deng, Jie-Cheng
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Wang, Guan-Wu
Palladium-catalyzed heteroannulation of N-substituted benzamides with [60]fullerene, which proceeds through direct sp(2) C-H bond activation to form 7-membered ring pallada-intermediate with C(60), led to formation of [60]fulleroisoquinolinones in moderate to good yields (8-64% based on recovered C(60)). A plausible reaction pathway is proposed.
Microwave assisted straightforward synthetic method for benzimidazole linked quinoxalinones on soluble polymer support
(2011-03-18)
Chou, Cheng-Ting
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Yellol, Gorakh S.
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Chang, Wong-Jin
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Sun, Mei-Lian
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Sun, Chung-Ming
The simple and efficient method was developed for the synthesis of benzimidazole linked quinoxalinones on soluble polymer support using microwave conditions. The acid catalyzed condensation of 4-fluoro-3-nitrobenzoic acid with polymer immobilized o-phenylenediamine, ipso-fluoro nucleophilic substitution with various primary amines and cyclization with acetyl chloride are the key steps involved in implemented linear synthesis. In key cyclization step, the regioselective N-acylation at secondary amine with chloroacetyl chloride followed by spontaneous intramolecular ring closure through ortho-amine functionality generate the quinoxaline skeleton under microwave irradiation. The removal of polymer support and exposure of quinoxalines for auto-oxidation finally produce the benzimidazole linked quinoxalinone derivatives with high purity and yields. (C) 2011 Elsevier Ltd. All rights reserved.
《索命條碼》科技控制人性？
(2011-03-20)
周亭羽
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Department of Communication and Technology
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傳播與科技學系
我的名片是一張平放在屍體上的收據，上面寫有一式三份的簽名。
走出創新路　布袋戲不服輸
(2011-03-20)
王雅涵
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Department of Communication and Technology
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傳播與科技學系
由一個戲棚搭起的舞台便可演遍天下，到可以走上像電影這種耗時間、資金的演出並非一蹴可幾。電視普及化後，改良過的布袋戲曾有過收視率高達97％的輝煌成績，也有保守派的戲團現今仍然不放棄日益凋零的野台戲，這個「傳統」戲曲一直單打獨鬥地尋找屬於自己的路。
鵝鑾鼻兩段歷史的翦影
(2011-03-20)
沈祐平
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Department of Communication and Technology
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傳播與科技學系
春吶即將到來，沉寂了整個冬天的鵝鑾鼻公園作為最大場地，又將迎來一波歡慶。如眾所知，打從墾丁國家公園設立以來，鵝鑾鼻一直是台灣旅行團(如今則為大陸旅行團)首選的熱門景點，但不知是因為歲月流逝，抑或人們總是善於遺忘，這塊土地當初為人緬懷的過去，早不為今日的過客們所知。
Effect of coagulation mechanism on membrane permeability in coagulation-assisted microfiltration for spent filter backwash water recycling
(2011-03-20)
Huang, Chihpin
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Lin, Jr-Lin
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Lee, Wen-Shan
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Pan, Jill R.
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Zhao, Bingqing
Coagulation is an effective pre-treatment process in membrane filtration for recycling spent filter backwash water (SFBW). To optimize the operation of the coagulation/filtration process for SFBW recycling, it is important to understand the critical role of coagulation mechanism on membrane filtration. In this study, SFBW samples were coagulated with polyaluminum chloride (PACI), followed by a dead-end micro-filtration (MF), and the mean permeate flux and permeate quality were determined. The results showed that pre-coagulation improved the flux decline and the degree of the improvement was closely related to coagulation mechanisms. The permeate flux was enhanced most effectively by precipitation charge neutralization (PCN) coagulation, followed by charge neutralization and then sweep flocculation. Close examination of cake properties indicated that the reduced cake resistance (R(c)) was subjected to the coagulated SFBW flocs in response to different coagulation mechanism. Smaller flocs, induced by PCN, were more compact and stronger, forming less compressible cake, which facilitated membrane filtration, while slower membrane filtration was observed when more compressible cake formed from larger flocs of looser and weaker structure. Coagulation mechanism also governed the size distribution of SFBW floc, which is strongly related to the subsequent cake compressibility as well as membrane permeability in membrane filtration. (C) 2011 Elsevier B.V. All rights reserved.
三座橋銜接不同的情與感
(2011-03-20)
王升含
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Department of Communication and Technology
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傳播與科技學系
有三座橋。一座，是二次大戰時，日本為運輸軍糧建的桂河大橋；一座，是寂寞的家庭主婦，對國家地理雜誌攝影師產生情愫的麥迪遜之橋；另一座，是每年平均有26個人從上跳河自殺的舊金山金門大橋。
愛奇兒遊行　號召愛心
(2011-03-20)
尹亭雅
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Department of Communication and Technology
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傳播與科技學系
天使心基金會於3月19日舉行了第二屆的愛奇兒日花車大遊行。所謂的愛奇兒就是去愛、去接受發展遲緩或是身心障礙的孩子。今年的遊行，同時在台北以及高雄進行，希望藉由這次的南北大會師，能夠號召出全台的愛奇兒勇敢走出來。
觀光是台鐵的天堂路？　
(2011-03-20)
劉啟禾
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Department of Communication and Technology
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傳播與科技學系
在客運削價競爭，高鐵以速度取勝的時代，以往擔負台灣運輸重任的台鐵該怎麼定位？在經濟、文化與觀光之間，台鐵該怎麼平衡？在盈虧之間，台鐵又該如何調整？傳統火車，是不是能帶著台灣走出新可能？
美麗背後的現實與殘酷
(2011-03-20)
徐志玲
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Department of Communication and Technology
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傳播與科技學系
近年來，醫療整形大為流行，可以改變父母給我們的五官，還可以指定樣本，可以像某個明星一樣美，一樣具有魅力，應該感謝醫療科技的進步？讓人們有權利可以決定自己想要的樣貌，不再需要屈服於命運身上，然而整形真的是需要的嗎？
品味標準　一生煩惱的課題
(2011-03-20)
林宜芳
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Department of Communication and Technology
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傳播與科技學系
「松鼠只是打扮光鮮的老鼠，而都會女性，也只是打扮光鮮的村姑罷了。」在《個人意見之品味教學中》，陳祺勳用詼諧的嘲諷語句，帶領讀者用犀利的放大鏡檢視時下流行的品味標準，解讀品味的精髓。
初夏時期　已枯黃的愛情
(2011-03-20)
劉芮菁
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Department of Communication and Technology
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傳播與科技學系
有情人終成眷屬，或許是對天下有情人的最高祝福。然而當青春不再，最初刻骨銘心的感動歷經風霜，當年盛開的愛情逐漸凋零，僅剩一只枯黃的軀殼，在乏味的日常生活中載浮載沉。朱天心2010年的新作《初夏荷花時期的愛情》，正勾勒出更年期女性對愛情的無奈。
天災，媒體　誰可怕？
(2011-03-20)
彭婉婷
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Department of Communication and Technology
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傳播與科技學系
近期一連串的天災事件，讓世界末日傳言甚囂塵上，各媒體爭相以此作為標題，挑動社會大眾的情緒反應。使得被天災震懾的群眾更加不安。
八「布」合音　傳承危機
(2011-03-20)
陳文玲
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Department of Communication and Technology
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傳播與科技學系
布農族的祈禱小米豐收歌Pasibutbut，也就是在全世界極具盛名的八部合音，是源自於大自然的啟發。這樣的好聲音卻也面臨了傳承危機，急須政府和社會大眾重視。
孩子，多陪我一點
(2011-03-20)
陳雅甄
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Department of Communication and Technology
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傳播與科技學系
哪怕只是電話中簡單的一句「最近過得好嗎？」都可以讓他們開心個好一陣子。他們的願望很小，只是想要親人多花點時間在自己身上而已。
謎樣的音樂天才　顧爾德
(2011-03-20)
蔡少安
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Department of Communication and Technology
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傳播與科技學系
「顧爾德就是顧爾德！哪怕是一個句子、一個裝飾音，他就是讓你認得出來，而那也永遠屬於顧爾德，怎麼學都不可能變成你的！」-Oxana Yablonskaya
侯承志期待布行的日出
(2011-03-20)
康甯
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Department of Communication and Technology
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傳播與科技學系
「紡織品並不像其他人講的是個夕陽工業，完全沒有辦法，」振利布業第二代老闆侯承志說：「不能講它是沒有一個出路，而是說這個路你要自己怎麼做，轉型的問題，你要自己去找方向。」
叛逆過後　還剩什麼？
(2011-03-20)
羅文婕
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Department of Communication and Technology
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傳播與科技學系
《成名在望》是一部有關「酷」的電影，在悠揚的樂聲中，透過了一個旁觀者的角度，呈現出搖滾表面看似「酷」底下的另一個面貌。
夏日大作戰　拯救虛擬與真實
(2011-03-20)
歐人瑋
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Department of Communication and Technology
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傳播與科技學系
當虛擬跟現實結合在一起，不知名的人物試圖破壞世界和平，身邊敬愛的人死去，緊接著迎向世界的毀滅──你可以做些什麼？為了保護想要保護的人，願意賭上性命的夏天，在2009年的夏末由細田守成獻給全世界。