water quality parameter 中文意思是什麼

water quality parameter 解釋
水質參數
  • 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...
  • parameter : n. 1. 【數學】參數，變數；參詞；參項。2. 【物理學】參量；（結晶體的）標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  1. Using existing data and experiences, considering the character of shaying river, and based on the water quality forecast system of shaying river, in this paper, we firstly put forward a high performance parallel computing method of multi - parameter choice in china, and implement it on dawing high performance parallel computer for the choice of parameter for shaying river

    文章利用已有的數據和經驗，根據沙潁河具體的水質和應用特點，在國內首次提出了採用基於并行計算技術的高性能計算方法，對沙潁河支流水質模型進行多參數率定的方案，並在曙光系列并行機上得以實現。
  2. The object to study in this paper is the electric heat reservoir boiler, which is used to supply heat water and bask for the resident population. the use of the system define the character of the output medium with the lower request on quality and parameter, at the same time, it ask the boiler should has the higher character on the respect of the cost, reliability, economy, and so on. hence, the paper carefully design and study the system for the choice and design of the boiler core heating componet, the lay of the heat exchanger, the working status of the heat reservoir equipment, the adjustment and control mode of to supply heat water. the study work mainly include underside some contents, forexample : 1. to confirm the heat medium parameter to adapt the requirements of the most of the heating equipments and to design the instruction of the boiler and heat reservoir as simple as possible

    圍繞上述原則，本文從電熱鍋爐核心加熱元件的選型及設計、換熱面的布置、蓄熱設備的運行工況、供熱的調節方式以及控制方法進行了較細致的研究和計算，具體研究工作有以下幾個方面： 1 .根據使用要求，確定適用於多數採暖設備的熱介質參數，設計在結構型式上盡可能簡單的鍋爐和蓄熱器； 2 .對製造加熱元件電熱管的各種材料進行了對比和分析、在結構尺寸上進行了仔細的分析和計算，根據實際使用條件給出合理的設計，使其具有較高的可靠性和使用壽命； 3 .對不同換熱面布置形式進行傳熱分析。
  3. 4. the inspection standard has been appraised. the air stagnation parameter and water stagnation parameter are enough to evaluate the quality of evacuated solar tube and the heat loss co - efficiency can be cancelled

    用空曬性能參數和悶曬性能參數來評價太陽能真空集熱管的好壞即可，取消平均熱損系數指標，空曬性能參數反映高溫能力，悶曬性能參數反映正常工作時的升溫能力。
  4. Water conservacy and hydroelectric projects being programmed or constructed in incised river valley of southwest and northwest of china all relate to weathered and unloaded rockmass. it is very important and significant to study weathering and unloading for engineering design, parameter value choosing, rockmass quality classificatioarockmass excavation, foundation plane choosing, even project running. the dissertation is based on granite rockmass in laxiwa hydroelectric station damsite, yellow river

    規劃中或正在建設的西南、西北深切河谷區水利水電工程均涉及到巖體風化、卸荷問題，而研究巖體風化、卸荷對于工程設計、參數取值、巖體質量分級、巖體開挖、建基面選取乃至未來工程運行等具有重要意義。
  5. The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling

    本文應用系統理論，建立了水質多參數輸入輸出之間的響應關系；根據河流水文水質變化特點和參數反問題的需求，建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論，作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論；還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性，將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用，成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果
  6. The results of experiment shows : l / d10, rate of filtration, filtration - supporting agents have bigger influence to filterability. the optimal combination of certain parameter of l / d10, rate of filtration, filtration - supporting agents can improve filterability obviously, get better quality of water outlet, extend the filter cycle, improve periodic quantity of water produce

    試驗結果表明： l d _ （ 10 ） 、助濾劑、濾速這3個因素對過濾性能有較大的影響；一定參數的l d _ （ 10 ） 、助濾劑、濾速的優化組合能明顯改善過濾性能，取得較好的出水水質，延長過濾周期，提高周期產水量。
  7. Such as mercury, lead, chromium, and cadmium, etc., which mainly result from industrial and mining pollution. taiwan has a total of 14 heavy metal parameters for water quality, the maximum contaminant level of which vary by parameter

    如汞鉛鉻鎘等，主要來自工礦污染我國飲用水水質標準有關重金屬的項目有14項，其限值依項目而定。
  8. Parameter tuning of water turbine governor plays an important role in the safe and normal operation of the hydroelectric generator unit. it directly affects the quality and reliability of electricity provided by the power system

    水輪機調速器參數的整定對水輪發電機組安全、可靠地運行具重要的作用，並直接影響著電力系統向用戶供電的質量及可靠性。
  9. With reference to research of the logging interpretation model, it should exploit fully logging datum and the results of well core experimental analysis which was existed and analyze the relationship between the quality parameter of well core materiality and brothel log, which should further be understood in porosity, coefficient of permeability and water degree of saturation in well - core graduation

    對于測井解釋模型的研究，充分利用已有的測井數據和巖芯實驗分析結果，分析巖芯物性參數與測井曲線間關系，對測井曲線作孔隙度、滲透率、含水飽和度參數的巖芯刻度。
  10. A series of contour maps showing the consecutive monthly values of a certain parameter is a useful way of illustrating gradual seasonal water quality changes in different water bodies

    例如以一系列等高線圖列出每月某項參數的數值，顯示各水體的季節性變化。
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