水文循環系數 的英文怎麼說
中文拼音 [shuǐwénxúnhuánxìshǔ]
水文循環系數
英文
water circulation coefficient- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 文 : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
- 循 : 循動詞(遵守; 依照; 沿襲) follow; abide by
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 水文 : hydrology水文測驗 hydrologic survey; 水文成因分析 hydrologicall genetic analysis; 水文地理學 hydr...
- 循環 : circulate; circle; round; repeat; loop; period; recurrence; cycling; circulating; mixing; circula...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。Form the point view of condenser and cooling tower as a whole, the paper studies the model of condenser performance monitoring, which includes the monitoring model of tube wall cleanness factor, the calculation model of condenser pressure target value and the optimum model of circulating water system
本文從凝汽器和冷卻塔的整體角度研究了凝汽器的性能監測模型,主要包括:凝汽器水側管壁清潔系數的監測模型、凝汽器壓力應達值的計算模型和循環水系統的優化模型。Considering the weakness of the solar - power adsorbers in refrigeration / air conditioning, such as the effects of heat collecting in desorption period and heat loss in adsorption period, here, a new adsorber is proposed ? ? evacuated tube which is cooled by water. simulation calculations and experiments have been performed. with a view to the intermittent characteristics of solar - powered adsorption, a continuous cycle operation for the adsorption refrigeration cooling system with active carbon fibre ( acf ) - methanol adsorption refrigeration working pair is carried out
本文針對目前太陽能固體吸附式製冷系統中吸附集熱床在解吸階段集熱效率不高和在吸附階段散熱效果不理想的狀況,以及針對太陽能固體吸附製冷系統循環的間歇性,本文提出了一種新型吸附集熱器:真空集熱管?水冷型吸附集熱器,以活性炭纖維?甲醇為工質對實現連續製冷循環方式,並對其進行了相關的性能實驗和數值模擬計算。The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand
本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流,在自己研製的高速渾水循環系統中,通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測,分析了水沙氣三相流的紊動特性,探索了泥沙對固壁的磨蝕機理及減蝕措施,其主要內容包括以下幾個方面: 1It specifies the process of the design, simulation and experiment of liquid cooling system. main contents of the thesis are as follows : description of the present usage of liquid cooling system, presentation of a new type of liquid cooling system and description of its work principles ; design of the liquid cooling system, which mainly deals with the design and collating calculating of serpentine condenser and heat exchangers adopted in this system. meanwhile, the model chosen calculating of compressor 、 thermal expansion valve 、 plate evaporator 、 water pump and the like equipment used in the system are also carried out
本文的主要內容如下:對液冷源使用現狀進行了描述,提出了一種新型液冷源系統並對其工作原理進行了闡述;對系統進行了設計,主要對系統中所採用的管帶式冷凝器和水側空/液換熱器進行了設計和校核計算,同時對系統中所用到的壓縮機、熱力膨脹閥、板式蒸發器、水泵等配套設備進行了選型計算;分別對製冷系統和冷卻液循環系統進行了數學建模。For the first time this dissertation discusses the feasibility of data mining for the fields data of cfbb , analyses the preprocessing technology of sample data , introduces the application of clustering analysis , and finally completes the rule extraction by applying knowledge - based artificial neural network. considering distributed parameters , nonlinear , and long time lag system of cfbb , the theory of self - organizing neural fuzzy inference system is applied to the control system of cfbb , and enables control rules extraction on - line. the models of data mining and self - organizing ( fbnc - pnn controller ) are programmed , embedded to the control system of a 35 t / h cfbb in tsingtao , and finally improve the performance of cfbb effectively
本文還針對流化床鍋爐運行的非線性嚴重、大滯后、不確定性大等特點,研究了基於數據挖掘優化的模糊神經自組織控制策略在循環流化床控制系統中的應用,使規則獲取可以在線進行;並編制了數據挖掘模塊優化自組織控制模塊,應用到青島35t / h循環流化床鍋爐的控制系統中,提高了鍋爐的運行水平和效率,取得了良好的效果。Two kinds of representative cc - repowering ( feed water heating repowering, full firing repowering ) are study in this paper. the concise performance expressions and typical data are analyzed for the combined cycle and for repowering the existed steam power station
本文針對兩種典型的聯合循環系統(排氣助燃型和給水加熱型)進行了研究,給出了這兩種聯合循環及其在用以增容改造已有的蒸汽輪機電廠時的性能簡明示式和典型數據。Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details
本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。On the application of evaporation & condensation, a new open cycle solar still, which is configured mainly by one kind of falling film evaporator, condenser, solar collector and some auxiliary devices, is proposed. parameters affecting system performance, i. e., temperatures and flow rates of moist air, seawater, and cooling water, are analyzed numerically and experimentally
最後,本文建立了一種以高效降膜蒸發器為核心部件的新型開放循環海水淡化系統,在降膜蒸發器、太陽能集熱器和冷凝器等部件數學模型基礎之上,建立了合理的系統模型,通過數值模擬對空氣、海水、冷卻水等有關參數對淡水產量的影響進行了分析。Abstract : in this paper the visco - elasticity constitution relationship of cyclic degradation describing offshore soft clay behaviors is studied. a method for quantitatively analyzing the stability of offshore soft soil sites under wave loading is developed by combining the relationship with water - mud multi - layer interface model. since the variation of nonlinear visco - elasticity parameters due to cyclic degradation of soft clay can be considered, the analytic results can reflect the changing process of soft clay under wave loading
文摘:本文研究了海洋軟土的循環弱化粘彈性本構關系,進而把它與波浪、水、土多層計算模型相結合,提出一種定量分析波浪作用下海洋軟土場地穩定性的方法.由於它考慮了軟土的循環弱化而導致的非線性粘彈性參數的變化,使分析結果能比較真實地反映波浪作用下海洋軟土層的變化過程分享友人