The dissolved oxygen ( do ) is one of the most crucial parameter in municipal wastewater treatment system . do is choosed as the control object and do control system from theory 污水處理中溶解氧( do )濃度是至關(guān)重要的參數(shù),因此本論文選用溶解氧濃度作為控制對象,對溶解氧控制作理論上的研究。
The dissolved oxygen ( do ) is one of the most crucial parameter in municipal wastewater treatment system . do is choosed as the control object and do control system from theory research 污水處理中溶解氧( do )濃度是至關(guān)重要的參數(shù),因此本論文選用溶解氧濃度作為控制對象,對溶解氧控制作理論上的研究。
The activated - sludge bioreactor was adopted to degrade the restaurant wastewater . the effects of the dissolved oxygen ( do ) , the mean cell residence time ( c ) , the aeration time and the load of sludge on bioreactor were studied 采用活性污泥生物反應(yīng)器對餐飲廢水進(jìn)行處理,考察了溶氧濃度、細(xì)胞平均停留時間、曝氣時間以及污泥負(fù)荷對反應(yīng)器處理效果的影響。
Dissolved oxygen ( do ) is involved in many domains of science , and it has great science and engineering significance to apply control over do . however , do control in microbe fermentation process is indeed left unsolved so far 溶解氧問題廣泛存在于眾多學(xué)科,對溶解氧進(jìn)行有效控制有著重要的科學(xué)和工程意義,然而到目前為止,微生物發(fā)酵過程溶解氧的自動控制問題還沒有得到真正解決。
In the first part , the article summarized the definition and importance about dissolved oxygen ( do ) , the general methods of measuring do . the origin , development and excellence of usage in chemical sensor with fiber - optical technology , the characteristic of fiber optical chemical sensor are introduced . those deferent fluorescence indicators have been used in oxygen sensors during more than twenty years and their deferent capability as fluorescence indicators 在第一章中,在研讀文獻(xiàn)的基礎(chǔ)上綜述了溶解氧的定義和在生產(chǎn)生活中的重要意義;溶解氧測定的常規(guī)方法;光纖技術(shù)的起源、發(fā)展及其應(yīng)用于化學(xué)傳感器的優(yōu)點;光纖化學(xué)傳感器的原理特點;探索了不同時期應(yīng)用于氧傳感器的熒光指示劑的種類和性能;制備氧傳感探頭的幾種方法原理和光纖氧傳感器在醫(yī)學(xué)、生物、海洋監(jiān)測等領(lǐng)域中的應(yīng)用現(xiàn)狀。