fluctuation of water quality 中文意思是什麼

fluctuation of water quality 解釋
水質變化
  • fluctuation : n. 1. 波動，起伏，漲落；【物理學】脈動。2. 動搖不定，躊躇。3. 【生物學】彷徨變異。
  • of : OF ＝Old French 古法語。
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • quality : n 1 質，質量；性質，特質；品質，品位。2 優質，美質，優點。3 才能，能力，技能，素養。4 品種。5 身...
  1. Seasonal dynamic model is introduced to analyze and evaluate tianjin raw water quality of luanhe river during 10 years for the first time, and so does for huanghe river during 4 years. based on these historical data, some long - term trend function of water quality items is got, by which seasonal fluctuation rate ( s c ) and seasonal dynamic trend of water quality items are computed. for the first time, clustering analysis is introduced to divide tianjin raw water into different levels

    首次採用季節變動模型對天津市灤河水源10年的水質情況和黃河水源4年的水質情況進行了分析評價，得出各個水質指標的長期趨勢項回歸方程，根據趨勢模型和各水質指標的歷史數據求出季節比sc ，在各個指標的季節平均值和對應的季節比（ sc ）的基礎上，得到了各個水質指標的季節變化趨勢值。
  2. The problem of water quality fluctuation of huanghe river becomes more and more serious in recent years, which exerts great influence on power plants using water from huanghe rive as their feed water

    摘要黃河水量水質隨季節的變化日益明顯，使黃河水水質波動突出，對內蒙古自治區境內以黃河水為補給水的電廠正常生產造成很大影響。
  3. The effect of variation in surge shaft section size upon the reflection of water hammer pressure and the speed of quality fluctuation attenuation

    調壓井斷面尺寸變化對水錘壓力反射及質量波動衰減速度的影響
  4. According to the test data and the technological and economic comparison between a process of mbr and a conventional process for reclaimed water treatment, it is concluded that the investment and operating cost of mbr is the same as the conventional process basically. the advantages of mbr are on the land occupation, maintaining, effluent quality and automatic control. the process is specially suited to hotel, restaurant and public buildings because they usually have less useable land, bigger fluctuation of sewage rate, understaffed group of management and higher quality demand of effluent

    根據取得的試驗數據，通過對膜生物反應器設計實例與傳統工藝設計相比較，在進行技術經濟分析后認為，膜生物反應器處理工藝在投資與運行成本上與傳統工藝基本持平，而在佔地、維護管理、處理水質、自動化程度等方面比傳統工藝有較大優勢，特別適合中水設施場地不足、原水波動大、管理人員少、出水水質要求高的賓館、飯店和公共建築。
  5. Considering the higher energy consumption and greater fluctuation of venting water ’ quality in activated sludge process widespread adopted, this thesis applies the optimal control strategy to the aeration process of wastewater treatment. the research supplies the preparation of the water treatment integrated equipment with the theory support, also acquires the matter of academy studies and application

    論文針對三峽庫區城鎮目前普遍採用的活性污泥工藝過程中能耗過大、出水水質波動較大的現狀，將最優控制策略應用於污水處理曝氣過程中，不僅為水處理集成化設備的研製提供了理論支持，而且對提高污水處理系統運行的穩定性、可靠性以及降低能耗都具有重要的理論價值和實際意義。
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