蒸發當量 的英文怎麼說

中文拼音 [zhēngfādāngliáng]
蒸發當量 英文
equivalent evaporation
  • 蒸 : Ⅰ動詞1. （蒸發） evaporate2. （利用水蒸氣的熱力使食物熟或熱） steam Ⅱ名詞[中醫] （將藥物隔水蒸熟） steaming
  • 發 : 名詞（頭發） hair
  • 當 : 當Ⅰ形容詞（相稱） equal Ⅱ動詞1 （擔任; 充當） work as; serve as; be 2 （承當; 承受） bear; accept...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 蒸發 : [物理學] [化學] evaporation; evaporate蒸發計 evaporometer; evaporimeter; atmidometer; atmometer; ...
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. Evaporation : two u. s. weather bureau class a pans are operated at king s park. the mean water temperature is taken to be the mean of the daily maximum and minimum surface water temperature

    蒸發：天文臺使用兩個美國氣象局甲級蒸發皿于京士柏氣象站量度蒸發量，以皿內每日量得的最高及最低水面溫度之平均數作為當日的平均水溫。
  3. Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too

    本文的內容如下： 1對翅片管蒸發器的結構特點進行分析，選取適當的微元體，對于干、濕工況下每個微元分別進行傳熱傳質分析，通過適當的假設，利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型；對回熱器劃分微元建立了分佈參數數學模型；對氣體冷卻器建立了分佈參數數學模型；對壓縮機建立了數學模型；建立了節流閥的數學模型，為系統模擬奠定了基礎。
  4. The lateral or downward movement of dissolved or suspended material within soil when rainfall exceeds evaporation

    淋溶作用當降雨量超過蒸發量時，土壤中溶解或懸浮物的向側面或向下的運動
  5. Evaporation varies from evaporation capability, embedded depth of groundwater is more easy, the effect is more obvious ; evaporation capacity decreases if embedded depth of groundwater become deeply, and close to zero under the some depth ; evaporation capacity of different soil texture is different. at ordinary situation, if embedded depth of groundwater is easy, evaporation capacity of the wide and grit soil is powerful ; if embedded depth of groundwater is deep, evaporation capacity of the slender and viscosity soil is powerful

    潛水蒸發隨大氣蒸發能力的變化而變化，且潛水埋深越淺，受其影響越明顯：潛水蒸發隨潛水埋深增加而減少，在某一埋深以下潛水蒸發接近於零：不同土質其潛水蒸發量不同，一般情況下，在潛水埋深較小時，土質較粗、偏砂性土壤潛水蒸發較大；當潛水埋深較大時，土質較細、偏粘性土壤的潛水蒸發較大。
  6. Air is said to be saturated with water vapor when it contains the maximum amount that will evaporate at a given temperature.

    當空氣中所含水分在一定溫度下處在最大蒸發量時，就說空氣中的水分飽和了。
  7. Some volatilizable substances such as methanol in steam can come into product directly, and influence product greatly if the factory adopts traditional heating method in alcohol production. there fore, improving steam quality is very important to alcohol production

    摘要當甜菜糖蜜酒精生產企業採用傳統的直接加熱方式生產酒精時，蒸汽中的甲醇等易揮發組分直接進入產品，對酒精質量影響很大，因此改善蒸汽品質對酒精質量是至關重要的。
  8. The results show that while the mass flow of refrigerant is 1. 85g / s, the inlet temperature of refrigerant is 18. 9, the evaporating pressure is 0. 62mpa, the mass flow of water is 31. 1g / s, and the inlet temperature of water is 36. 9, the refrigerant of miniature evaporator wholly vaporizes in the tube, and the heat transfer rate is 342w. it achieved the demand of design

    經過實驗測試，當製冷劑質量流量為1 . 85g / s ，製冷劑入口溫度為18 . 9 ，蒸發壓力為0 . 62mpa ，水的質量流量為31 . 1g / s ，水的入口溫度為36 . 9 ，此時，螺旋管蒸發器內製冷劑完全蒸發，換熱量342w ，達到了微型蒸發器的預期設計要求。
  9. As each human begins to embody all elements including air, water, fire and earth along with the inverse elements of ether, vapor, smoke and lava, humanity will begin to thaw out as there will be enough fire to allow for an internal shift within each.

    當每個人融合入所有的元素包括氣，水，火和土，連同逆元素如以太，蒸汽，煙和熔巖時，人類將開始解凍，因為這將使每個人的內部被充分點燃（擁有足夠的能量）而允許一個內在轉換的發生。
  10. In theoretically flow - levitation method can prepare the nanoparticle of a series of different metal element and different size. through a course imitate for preparation of nanometal powders in inert gas by flow - levitation method, have established the mathematics model of the metal droplet surface evaporate to form suspension nanoparticles in inert gas, the calculation of this model shows as a result, the major factor of affect nanometer

    研究表明，自懸浮定向流法制備的納米金屬間化合物微粒其相組成與蒸發源母料的成分有一定的對應關系，適當條件下得到的產物顆粒中，主要組成相的cu 、 al原子比基本接近或盡量與蒸發源母料的cu 、 al原子比趨於一致，換言之，可以通過
  11. It has also been deduced from evaporation rates around the world ? the amount of water that evaporates from specially calibrated pans has been dropping for at least five decades in the northern hemisphere

    蒸發率是指在特定口徑的圓盤中水的蒸發量，而至少近50年在北半球地區，此量一直在減少當中。
  12. Furthermore, since mg had great evaporation ability and the total evaporation amount of mg metal was accessing to the amount of dopants, it must be taken into account when the raw powders were weighted

    同時由於mg極易蒸發，其蒸發量與摻雜元素的含量相當，只要控制樣品配料時考慮蒸發的mg ，就可以保證產物的化學計量。
  13. The extreme values of the local steam content in steam generating tubes from the furnace side are shown in fig. 2. as is seen, the critical heat flux levels corresponding to them can reduce to real values in these cases, especially when their mentioned increase in transient processes is taken into account

    極值的地方蒸汽量蒸汽發生器管子從爐側列圖.不應純粹是見過的臨界熱流水平相應可以減少實際值在這種情況下，特別是當他們提到增加，在暫態過程中考慮進去
  14. Measurements were made of system pressure, mass flow rate of steam, air, and cooling water, temperatures of condensing flow and cooling flow, and the water level of boiler. the major phenomena observed in the present experiment are similar to those by other investigators. the mass flow rate of steam, the system pressure and air content are the most important factors affecting steam condensation

    實驗結果表明，維持二次側冷卻水流量不變，無論對于純凈蒸汽還是含有空氣的蒸汽冷凝，隨著蒸汽發生器加熱功率的增大（即蒸汽流量增大） ，有效冷凝段長度將加長；當蒸汽中含有少量空氣，有效冷凝段長度也會明顯加長；提高系統壓力，有效冷凝段長度將縮短。
  15. Mal - conditions, unsuitable material chosen, too heavy production load, inferior quality of manufacture and irrational structure are the main causes for corrosion to occur in the secondary evaporator - heater

    摘要工況惡劣、選材不當、生產負荷偏大、製造質量不佳和結構不合理是造成二段蒸發加熱器發生腐蝕的主要原因。
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