Browsing by Issue Date, starting with "2014-04-27"

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Salt-templated synthesis of Ce/Al catalysts supported on mesoporous silica for acetone oxidation
(2014-04-27)
Lin, Liang-Yi
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Bai, Hsunling
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環境工程研究所
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Institute of Environmental Engineering
A series of bimetallic Ce/Al catalysts supported on mesoporous silica catalysts were prepared through fast salt-templated aerosol process in this study. The source of sodium silicate precursor was from the alkali-extraction of the opto-electronic industrial waste. The inorganic salt formed during the silicate acidification process was served as an effective and low-cost template, which could be simply removed by water washing at room temperature. The Ce/Al-SiO2 catalysts were fabricated under various aerosol-spraying temperatures, and the temperature effects on the structural and surface properties were investigated by XRD, nitrogen physisorption measurement, SEM/TEM, ICP-MS, Al-27 MAS-NMR, UV-vis spectra, H-2-TPR and NH3-TPD analyses. The catalytic behavior was further evaluated in terms of acetone oxidation. The results revealed that the catalytic oxidation of acetone is mainly governed by the surface redox property, along with the acidity of the catalysts. The Ce/Al-SiO2-300, with high surface acidity and strong surface reducibility, appeared to have the best acetone catalytic performance at temperatures of 100-300 degrees C and its T-90 was at 165 degrees C under acetone inlet concentration of 1000 ppmv and GHSV of 15,000 h(-1). Furthermore, compared with literature data which catalysts were prepared using commercial silicon source and traditional organic surfactant templates, Ce/Al-SiO2-300 showed a comparable catalytic performance, indicating the great potential application of Ce/Al-SiO2 catalysts for the catalytic oxidation of acetone. (C) 2013 Elsevier B.V. All rights reserved.
職場接軌　研替正夯
(2014-04-27)
高紫娟
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Department of Communication and Technology
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傳播與科技學系
內政部役政署推出新的研發替代役制度，透過役男結合專長所學，在政府欲推動的各項產業中服役，促成產學接軌。
籃球DJ　熱血與衝勁
(2014-04-27)
柯惠文
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Department of Communication and Technology
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傳播與科技學系
SBL的球迷一定不陌生這個中氣十足的主持人，他是林志彥，投入SBL已經有十一年之久。
韓國諜報新紀元
(2014-04-27)
徐冠軒
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Department of Communication and Technology
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傳播與科技學系
韓國近年來大吹諜報電影的風潮。去年就有兩部是以北韓間諜為主軸的諜報片——【偉大的隱藏者】和【同窗生】。
傳統轉型　觀光工廠的崛起
(2014-04-27)
吳羽涵
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Department of Communication and Technology
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傳播與科技學系
至今不少傳統產業轉型為觀光工廠，其中工廠設置的地點，更是符合交通便利的要素，也吸引不少民眾前來體驗。
嘻哈傳教士　饒舌頌福音
(2014-04-27)
邱薏真
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Department of Communication and Technology
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傳播與科技學系
「基督饒舌嘻哈」是什麼？人們對嘻哈的認知通常是負面的；而對基督福音往往是尊敬，這兩者如何混為一談？
農業新浪潮　改革兼保障
(2014-04-27)
陳祥豪
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Department of Communication and Technology
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傳播與科技學系
務農也許在大部分的人眼裡吃力不討好，但有一群人卻放棄都市生活，走回最原始的田埂間默默付出，耕織理想。
總編輯的話
(2014-04-27)
王怡方
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Department of Communication and Technology
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傳播與科技學系
本期為喀報一八九期，雖然篇數不多，但內容與媒材皆相當豐富，並扣合時事議題。
陸市場封閉　台片登陸難
(2014-04-27)
陳彥文
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Department of Communication and Technology
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傳播與科技學系
兩岸簽訂ECFA後雖然取消對台灣的配額限制，卻仍需受到中國審查，相比之下台灣市場顯得開放許多。
倆佰甲　新農讚起來
(2014-04-27)
林婉婷
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Department of Communication and Technology
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傳播與科技學系
位於宜蘭縣員山鄉的倆佰甲，在去年由楊文全所創立，宗旨為新農的育成與陪伴。
人性盲點　難以面對的真相
(2014-04-27)
李盈如
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Department of Communication and Technology
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傳播與科技學系
自「法律」觀念誕生以來，人類期許它帶來真相，然而，當事實非自己所相信時，逃避便成為人性最大的弱點。
復活之愛　重建家的意義
(2014-04-27)
張萬邦
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Department of Communication and Technology
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傳播與科技學系
今年復活節，新竹區復活節聯合慶典要將一份愛傳給台灣所有的家庭。
抗議歌聲起　溫柔而堅毅
(2014-04-27)
劉冠伶
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Department of Communication and Technology
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傳播與科技學系
在過去通常保持政治中立的歌手或藝術家，如今紛紛走上街頭，高唱自己的想法，為社運活動的參與者打氣。
街友求職大不易
(2014-04-27)
陳佩瑄
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Department of Communication and Technology
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傳播與科技學系
在路上時常會看到街友的身影，他們究竟是遇到了什麼困難，讓他們只能露宿街頭，無家可歸。
醉後最終章　男人的蛻變
(2014-04-27)
韓惠宇
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Department of Communication and Technology
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傳播與科技學系
【醉後大丈夫3】與前兩集相比，有很大的不同，少了胡鬧，多了情感編織。
河川水汙染　南部最嚴重
(2014-04-27)
黃筱雯
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Department of Communication and Technology
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傳播與科技學系
臺灣工業發展後，各地工業區排放汙水，造成河川汙染。今年第一季水質檢測，顯示南部河川受汙染情形最嚴重。
Evaluating the sensitizing effect on the photocatalytic decoloration of dyes using anatase-TiO2
(2014-04-27)
Hsiao, Yu-Cheng
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Wu, Tsai-Fang
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Wang, Yu-Sheng
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Hu, Chi-Chang
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Huang, Chihpin
This work tries to clarify the contribution of the dye-sensitizing effect on the photocatalytic decoloration of dyes dissolved in aqueous media using an anatase TiO2 (A-TiO2) photocatalyst. The photocurrentvoltage (J-V) curves of a typical dye-sensitized solar cell (DSSC) with the A-TiO2 photoanodes adsorbed with various dyes, including methylene blue (MB), orange G (OG), rhodamine B (RhB), metanil yellow (MY), acid black 24 (AB24), and N719, are employed to demonstrate the sensitizing characteristics of dyes on A-TiO2. Unlike RhB, the MB, OG, MY, and AB24 cannot work as the photo-sensitizer on A-TiO2 from the J-V curves of DSSCs, reasonably due to the unmatched band position between dyes and A-TiO2. In the photocatalytic decoloration test of these dyes on A-TiO2 in aqueous media, dye adsorption onto A-TiO2 becomes the key factors affecting the photocatalytic decoloration rate because the generation of oxidants species (e.g., Oi(2)(-center dot), OH center dot or photo-excited holes) occurs on the A-TiO2 surface. The contribution of dye-sensitizing on the photocatalytic decoloration of RhB is negligible since the dye-sensitizing/electron-injection/dye-regeneration cycle cannot be completed in the degradation media while adsorbed RhB molecules are unstable when few photo-generated electrons have been injected into the conduction band of A-TiO2, probably leading to the decomposition of RhB. (C) 2013 Elsevier B.V. All rights reserved.
尊重動物　歡慶動物節
(2014-04-27)
蔡乙佳
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Department of Communication and Technology
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傳播與科技學系
慶祝動物節在全球各地行之有年，或許各地過節的理由不盡相同，但他們的核心精神皆是尊重動物。
古人的老老與養老：《老老恆言》中的日常養生與物質文化
(2014-04-28)
皮國立
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開放教育推動中心
;
Open Education Office
課程首頁本課程是由交通大學新文藝復興閱讀計畫提供。 96 年 8月當各大學紛紛摩拳擦掌準備迎接新生的同時，交通大學校長吳重雨則因為一則來自於七月份泰晤士報，有關於英國首相布朗公布其夏日讀書清單的新聞中，看到了他對知識的尊重。在這同時，吳重雨校長也思考著，要如何為學生準備追求知識的環境和激發他們對知識的尊重與喜愛。台積電張忠謀董事長曾陳述他 18 歲進入哈佛那一年，博覽文史哲理工經典群籍，至此奠定了他求知的基礎，並借海明威名言，將其改為「哈佛這一年為人生可帶走的盛宴。」吳重雨校長以張董事長的學習為借鏡，認為學生固然能藉由自我閱讀的方式學習到豐沛的知識，但透過名人、大師親臨現場地介紹經典書籍，更能加深學子們對於書籍的認識與興趣，這也是「新文藝復興閱讀計劃」 ( 以下簡稱 : 「經典名著選讀」 ) 活動展開籌劃的緣由。於是，吳重雨校長便積極敦請「交大通識教育委員會」，接手籌備本計劃的相關活動，而該中心也成為實際施行本計畫的策動、開課以及認證單位。至此，期許交大學子藉由閱讀、聽講來提昇人文素養、開拓視野的「新文藝復興閱讀計劃」，就此展開。
Chirped-pulse manipulated carrier dynamics in low-temperature molecular-beam-epitaxy grown GaAs
(2014-04-28)
Lee, Chao-Kuei
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Lin, Yuan-Yao
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Lin, Sung-Hui
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Lin, Gong-Ru
;
Pan, Ci-Ling
Chirped pulse controlled carrier dynamics in low-temperature molecular-beam-epitaxy grown GaAs are investigated by degenerate pump-probe technique. Varying the chirped condition of excited pulse from negative to positive increases the carrier relaxation time so as to modify the dispersion and reshape current pulse in time domain. The spectral dependence of carrier dynamics is analytically derived and explained by Shockley-Read Hall model. This observation enables the new feasibility of controlling carrier dynamics in ultrafast optical devices via the chirped pulse excitations. (C) 2014 AIP Publishing LLC.