http://scholars.ntou.edu.tw/handle/123456789/15791
標題: | The Use of Stationary Hydroacoustic Transducer to Study Diel and Seasonal Influences on the Distribution of Fish School in Water Adjacent to the Cooling Water Intake of Nuclear Power Plant Ⅲ | 其他標題: | 利用定點垂直超音波幕偵測核能三廠進水閘門前水域魚群分布實態之研究 | 作者: | 鄭景桓(Ching-Hwan Jeng) 李國添(Kuo-Tien Lee) 廖正信(Cheng-Hsin Liao) |
關鍵字: | 超音波迅捷評估;冷卻進水口魚群分布行為;核能三廠;Acoustic Quick Assessment;Diel and Seasonal Distribution Behaviour;Cooling Water Intake of Nuclear Power Plant Ⅲ | 公開日期: | 1-十二月-1992 | 卷: | 19 | 期: | 4 | 起(迄)頁: | 289 - 298 | 來源出版物: | Journal of the Fisheries Society of Taiwan | 摘要: | 以57%去乙醯化程度,分子量爲388,000道爾敦之幾丁聚醣配製成不同濃度的幾丁聚醣溶液,以了解剪切速率、溫度、離子强度、pH值對溶液流變性質之影響。結果顯示2%以上幾丁聚醣的溶液性質屬於非牛頓流體,溶液粘度隨溫度升高而降低,溶液中添加鹽會使粘度下降,此因相反離子作用使得分子鏈的構形變得較捲縮(compact)之緣故,而內生性粘度是隨pH值及離子强度增加而減少。The effect of shear rate,temperature,ionic strength,and pH on the rheological properties of chitosan(57% deacetylation 388,000 daltons)solutionswith different concentration were studied.The results showed:1)The Newtonian or non-Newtonian behaviors were dependent on the shear rate applied,molecular weight,and solute concentration;2)The apparent viscosity decreased with increasing solution temperature;3)Addition of salt led to areduction in apparent viscosity.The decrease was due to the compact effectof the molecule exerted by the counter ions;4)Intrinsic viscosity decreasedwith an increased in pH or ionic strength in solution. |
URI: | http://scholars.ntou.edu.tw/handle/123456789/15791 | DOI: | 10.29822/JFST.199212.0007 |
顯示於: | 環境生物與漁業科學學系 |
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