風化速率 的英文怎麼說

中文拼音 [fēnghuàsùlǜ]
風化速率 英文
rate of weathering
  • 風 : Ⅰ名詞1 （空氣流動） wind 2 （風氣; 風俗） practice; atmosphere; custom 3 （景象） scene; view 4 ...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 風化 : 1 （風俗教化） morals and manners; decency 2 [化學]（化合物失去結晶水） efflorescence3 [地] （地...
  • 速率 : speed; rate; tempo
  1. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。
  2. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明，不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面曲率的不同而有不同的規律，而主流雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小，吹風比對換熱系數影響較大（特別是導葉） ，並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。
  3. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效率水泵與電機聯接，改由單片機控制系統根據冷卻水溫控制水泵的工作，代替傳統的皮帶帶動的機械水泵，結合冷卻風扇的電動控制形成兩級智能化控制的冷卻系統，從而，實現了水泵和風扇轉速隨發動機工況變化的自動調節，真正實現了冷卻水溫的精確控制，保證了冷卻水溫始終保持在最佳范圍內，大量減少傳熱損失降低油耗，並提高了發動機工作的可靠性。
  4. The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil

    該系統的特點及其實現的功能為:電液混合驅動方式改變了工程機械冷卻裝置驅動方式單一的缺點，發動機冷卻系統採用了電液比例技術控制風扇轉速;單片機可以根據冷卻液溫度、冷卻液溫度變化率和目標冷卻液溫度調節液壓驅動系統中電液比例閥的控制電流，進而控制液壓油的流量，即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電動機驅動，然後由單片機根據液壓油的溫度控制電動機的起動和停止。
  5. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功率作為系統控制的目標，將功率分成三段進行控制，在低風速區，載荷是有限的，以功率最大化作為控制目標；在額定風速附近，由於處在升力曲線斜率的變化點，功率變化較大，應盡快調整槳距角進入失速區工作，減少載荷的波動，該額定風速區的上下工作點要通過現場試驗的手段來確定；在額定風速以上，使功率維持在額定輸出，減少功率波動，並通過bladed軟體的模擬計算對控制策略進行了驗證。
  6. By means of comparative experiments, this paper illustrates the influences of different cements, admixtures of flash - setting agents, water cement ratios, curing temperatures and raw materials on the performances of sprayed concrete, such as the setting time, strength and shrinkage ratio, on different conditions of efflorescence and hydration, so as to present references with regularity for the practical application of sprayed concrete

    摘要通過對比試驗，闡明了不同水泥、不同速凝劑摻量、水灰比、養護溫度以及原材料在不同風化和水化程度條件下，對噴射混凝土凝結時間、強度、收縮率等性能的影響，以期為噴射混凝土的實際應用提供規律性的參考資料。
  7. The optimum inclination angle is between 15 ~ 20, the length of thermosyphon will not change the phase - change heat transfer coefficient of the evaporation section and the condensation, which will enlarge heat transfer area of thermosyphon and increase the heat exchange capacity. the head - on speed of wind only stranger the heat transfer of the evaporation section and the condensation section. the experiment shows that the mathematic model closely fits to the thermosyphon, moreover, the one key to resolve the thermosyphon effect lies in decreasing the thermoresistance of evaporating section and condensation section. this study can provide directions and experience in the future research

    傾斜角越大，熱虹吸管總熱阻越大，最佳傾角在15 20之間;充液率過多或過少都會對傳熱性能產生不利影響，對于本實驗採用的1 . 75m 、 2m 、 2 . 5m 、 3m熱虹吸管，最佳充液率在20 % 35 %之間;管長對傳熱也有影響，管長不改變熱虹吸管蒸發段和冷凝段的換熱系數，只增加了熱虹吸管的換熱面積，增大換熱量;迎面風速的大小，起到強化熱虹吸管蒸發段和冷凝段換熱的目的。
  8. Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency

    本文通過對工業煤粉鍋爐熱平衡計算模型的分析，利用在線熱平衡計算，研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。
  9. Though this kind of measure optimized the structure of investment, increased the quality of our economic operation, stimulated a fast economic growth, a long - term dependence on state bonds investment may result in debt crisis and a decrease in investment efficiency

    盡管國債的發行優化了投資結構，提高了我國經濟運行的質量，拉動了經濟的快速增長，但是，如果長期依賴國債投資可能導致財政風險增加和投資效率遞減。
  10. The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment

    因霧滴的脫水時間與其直徑的平方成正比，減小液滴直徑有利於縮短乾燥脫水時間，可有效降低乾燥塔的高度；由於旋流式組合壓力噴嘴霧化滴徑的減小，脫水速度明顯加快，在不影響乾燥物料性質的前提下，適當提高進風溫度，同時有效地降低排氣溫度，有利於提高幹燥塔的蒸發強度，也有利於提高幹燥設備的平均能源利用率。
  11. According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient

    從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應（順、橫風向）的計算公式，同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想，在結合通用有限元程序的隨機振動模塊的情況下，對雙塔結構的抗風性能作了深入、全面研究，探討了雙塔結構構件截面的變化對其抗風性能的影響，同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響，比較了規范風振系數的計算與隨機演算法結構的異同，並討論了原因，得出一些有意義的結論。
  12. These roof structures are generally in high turbulent regions, then wind loads become important to these structures. however, wind - induced response for most of roof structures has not been considered in the present load code of building structures because of the complexity of the structures and wind loads. so the investigation for characteristics of wind load of large span roofing becomes a critical subject

    這類結構的屋蓋或看臺挑蓬通常具有質量輕、柔性大、阻尼小、自振頻率低等特點，且往往比較低矮，處于大氣邊界層中風速變化大、湍流度高的近地區域，對風荷載十分敏感，風荷載往往是此類結構設計的主要控制荷載。
  13. By simulating mathematically on frequency and on space, we can find the average speed of space field and the average speed of frequency field that is weighted by amplitude, and analyse their relation, and analyse the meaning of space speed variance x and frequency speed variance v. in the fourth part, how to ensure the height of cloud is introduced, and basing on the theory of wind field continuity, the height updating quality controlling is introduced. in the fifth part, the system of cloud wind is introduced, we tracked cloud - motion of consecutive satellite images with one - minute interval by the 1 - d fourier analysis technique and the two - dim fourier analysis technique and the fft analysis technique, and dispose them with quality controlling. in the sixth part, we summarized our research and put up with shortages of this article

    模擬模塊內各點的速度線性變化時，得到空間域平均速度以及頻率域以振幅為權重的平均速度，分析了空間域平均速度和頻率域以振幅為權重的平均速度的關系，並揭示空間域的平均速度的標準差_ x和頻率域的振幅為權重的平均速度的標準差_ v的意義，以及它們之間的關系；第四章介紹了雲跡風系統的高度指定以及風矢高度的劃分，並根據風場連續性原理，介紹了高度調整法的質量控制；第五章介紹導風系統的流程，選擇了三個時刻的ir雲圖，分別用一維傅立葉相位法、二維傅立葉相位法和快速傅立葉演算法計算一個風場個例，並對所得風場進行質量控制，並給出風場圖；第六章進行研究總結，指出不足和有待于進一步研究之處。
  14. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天氣雷達的回波信息（包括強度、徑向速度和速度譜寬）進行加工、計算和處理，本文根據南京氣象學院在天氣雷達方面的長期研究積累，同時借鑒其他國內外先進的天氣雷達產品的演算法，結合我國氣象業務應用的要求，對多普勒天氣雷達的氣象產品（組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直風廓線等）進行工程化設計。
  15. The sediments in the core are weakly weathered, lightly abraded and bad sorted, they have the same feature as river sediment, which is derived from near source and did not experience seriously transformation by ocean. due to the rate of insufficient sediment supply the sedimentation rate is low

    碎屑礦物風化程度低，磨蝕不顯著，分選較差，河流砂特徵明顯，沉積物來自於近源，由河流輸送入海，海洋改造不十分強烈，由於物源供應不足，沉積速率較低。
  16. According to my jobs and literature search, i inquire and investigate the problems about industrialization of agricultural sci - tech products. after comprehensive analysis and evaluation of the current situation, the main problems of industrialization of agricultural sci - tech products are low rate of industrialization, single investor, short of invest system of venture decision, low embodied value, slow speed, few benefit, channel block and so on. according to analysis of the problems on supplying - demanding and from objective and subjective angle, the main reason is the lowly industrial degree by the effection of inflexible system

    在市場經濟條件下，我國農業科研機構開展農業科技成果轉化工作存在諸多不適應的問題，本文結合本人工作並通過查閱文獻，利用問卷和訪談的方式開展調研，對調研結果進行推斷分析和綜合評價分析，發現目前我國農業科技成果轉化中存在農業科技成果轉化率低，農業科技成果轉化中投資主體單一，缺乏風險決策投資機制，農業科技成果在轉化中價值體現較低，科技成果轉化速度緩慢、轉化效益低，農業科技成果轉化渠道不暢等問題，通過對這些存在的問題，從供需雙方以及從主觀與客觀角度進行分析，查找原因，發現其中主要原因為：受現有科研體制影響，轉化機制不夠靈活，科技成果的產業化程度較低。
  17. Based on the formers, this dissertation efficiently selects the face features abstracting using ica. with no decline of recognition rate, the feature dimension is reduced, so the course of recognition is accelerated. support vector machine pattern recognition method is based on vc dimension theory, adopting the srm principle and considering training error and the generalization ability, which has shown many special advantages in dealing with small samples, non - linear and pattern recognition in high dimension

    本文採用基於矩陣s的人臉表示方法，將ica特徵選擇的概念和演算法用於人臉特徵的提取和優化，在不影響識別率的情況下，降低了特徵維數，提高了識別速度；支持向量機（ svm ）模式識別方法基於vc維理論，採用結構風險化原理，兼顧訓練誤差和泛化能力，在解決小樣本、非線性及高維模式識別問題中表現出許多特有的優勢；對于多類問題，介紹並採用了「一對一」的策略進行svm分類器設計；對于圖像預處理，詳細介紹了幾何歸一化的演算法步驟。
  18. The evaporation of some oils and their emulsifies was modeled with pan evaporation method, and the characteristics of the evaporation in different states was inspected. the equations of evaporation rate and the factors of inhibitory action of emulsification on evaporation have been obtained. the dynamics mechanism of emulsification has been discussed based on the observation and analysis of the characteristics of oil and water motion

    本文主要是從目前研究的薄弱環節作為研究突破口，用淺盤蒸發法對原油及其乳化物的蒸發進行模擬，考察不同原油在不同階段和乳化狀態下的蒸發特徵，得出蒸發速率方程及乳化對蒸發抑制作用因子；觀測和分析油水運動規律，分析乳化動力學過程；以組成和狀態是決定風化特徵的主要因素和聯系各風化過程的紐帶這一思想為基礎建立溢油風化預測模型。
  19. The results show that the exhaust fan current increases with frosting enhancement, while the increasing speed gets slower in the end of frosting, and the curves of current are slightly different at different voltages ; that the evaporation temperature decreases with frosting enhancement, and the decreasing speed becomes increasingly faster ; and that misoperation of defrosting can be avoided by using the intelligent defrosting control method based on exhaust fan current combined with evaporation temperature presented according to the experimental results

    結果表明，排風機電流隨結霜厚度的增加而增大，增加速率在結霜後期趨緩，不同電壓下電流變化曲線略有不同；蒸發溫度隨結霜厚度的增加而降低，下降速度越來越快；使用根據實驗結果提出的基於排風機電流和蒸發溫度聯合控制的智能除霜方法可以基本避免誤除霜動作。
  20. It ' s we1l known that the windshield material is an organic material. it shows visco - plastic behavior which is that the stress - strain curve, the yield stress and the limited stfess varied with the material deformation rate

    眾所周知，風擋材料為有機材料，一方面呈現出粘彈塑性特性，即材料的應力應變曲線、屈服應力、破壞應力都隨著材料變形速率的變化而變化。
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