通風速度 的英文怎麼說

中文拼音 [tōngfēng]
通風速度 英文
ventilating speed
  • : 通量詞(用於動作)
  • : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 通風 : 1 (使空氣流通) ventilate; air 2 (透氣) be well ventilated 3 (透露消息) divulge information;...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate

    摘要過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明,其生境因其所附生的樹種不同而有所不同,但具有共同特點:附生在樹干下部距地面2m高的范圍之內,光照弱、濕大、小、蒸發量小、中下部樹皮保持濕潤的持續時間長;其為雌雄異株蘚種,雌、雄器苞形態差異明顯,雌器苞數量多,雄器苞數量少並且難于發現,孢子體直立,蒴柄細長,孢蒴規則長卵形,蒴帽兜形。
  2. Secondly, output powers are measured in the different wind velocity or the direction angle or angle speed for mechanics model. the optimal angle of the direction is determined. that is to say, output power is the maximum in this direction angle

    其次,過對力發電機模型在不同、不同方向角、不同角的情況下輸出功率的測量,得出最佳方向角,即在該方向角處輸出功率最大。
  3. Simulates and analyses the velocity and temperature fields inside the external respiration double skin facade of a building

    摘要對某建築外呼吸雙層玻璃幕墻內的場和溫場進行了模擬分析。
  4. During the adjustment. it decided the amount and the rate of humidification. the system can test the states of water level by water lever sensor, thereby the main control module can control the entrance and drain of water and give warnings ; as its good man - machine interaction, the system can expediently set the humidity and the amount of humidification and control water - in valve and leading winds through control panel. the system can communicate with computer thereby the net supervise is enabled

    本系統主要能夠完成以下功能:採集空氣中的濕狀態,並送入主控模塊,主控模塊根據現有的濕判斷是保持原來狀態還是進行加濕以及加濕量的大小和加濕等;能夠過水位傳感器測試水位的狀態,從而過主控模塊控制進水、排水、預報警、報警等;具有良好的人機交互性,能夠過控制面板比較方便地進行濕設定、加濕量設定、進水閥的控制、導的控制等;能夠和上位機進行信,從而實現網路監控。
  5. The main purpose of this discussion is to det ermine the appropriate roadbed earthfill height according to the degree of sandburry, windblown sand drift test, wind tunnel test, windbed stability, road economy and traffic accident analysis. the appropriate roadbed earthfill height is one of vital factors in preventing highways from the harm of sand

    本課題研究的主要目的是沙漠公路在地理地貌、植被地質、沙源、等因素的影響下對公路形成的沙埋和蝕危害,結合公路沙埋、沙流實驗、洞實驗、路基穩定性、道路經濟性、交事故分析,確定路基的合理填土高
  6. But when the wind - speed becomes above 1m / s hereafter, wind - speed increase for the cpu thermal siphon of transmit heat the ability ' s gain result the deceleration. so it is considered perfect when the wind - speed is 1m / s. through this experimentation we found that when the cpu thermal syphon cooling machine used acetone as working fluid, wind - speed 1m / s, cpu chip caloricty 60w, its volumetric heat release rate came to 1. 3 104w / ( m3k )

    過本次實驗測出所使用的cpu重力熱管散熱器在使用丙酮為工質,1m / s , cpu晶元發熱量為60w時,其體積散熱率達到1 . 3 104w / ( m3k ) ,能保證晶元溫與環境溫之差小於40 ,能很好的適應pentium -計算機長期運行的要求。
  7. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫之差及、流的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對v 、散熱量q進行的研究表明,當超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫小於40 ,能滿足長期正常工作。
  8. The armor plate is a product of no cutting bits, holding the advantages that being high usingrate, firmintensity, slippery proof, easy to fix, durability and breezy, ectc. it can be used as motoway partition, air field runway and used for mine, dock, working platformand so on

    篩網作為一種無切屑產品,其鋼板利用率高,強牢固,具有防滑、性能好、施工方便、經久耐用等優點;用於高公路建築、大型飛機楊跑道、礦井、碼頭、工作平臺、隔離等。
  9. Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air

    經過本文研究發現,利用cfd技術可以有效地對空調室內氣流組織設計進行指導,全面對室內空氣品質和效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變量條件下,利用具有良好貼附效應的送口如方型散流器和條縫口送,空調室內的溫場和場較均勻,室內的熱環境良好。
  10. The research results show that compared with the uniform inlet velocity profile, the exponential inlet velocity profile has more advantages to get lower contaminant concentration, to prevent patient and operating apparatus in the operating area from infection by airborne disease germs and to reduce the airflow rate needed for pollutant concentration control

    研究表明,與常採用的均勻的送口相比,變化的送口對于降低手術室工作細菌濃,防止病人手術切口及手術器械等回氣流攜帶的浮遊細菌再次感染,以及減少手術室的送量等方面具有明顯的優點。
  11. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大氣邊界層中三維對流渦旋sar圖像,用g . s . young在2000年發表的方法,反演三維對流渦旋的特徵長、海洋大氣邊界層高、以及海洋大氣邊界層垂直對流尺、表面浮力量、海面穩定性校正因子和obukhov長
  12. Abstract : this paper introduces the fan ' s principle and ways saving electricity by governing speed

    文摘:介紹過調節節省電能的原理和方法。
  13. To simulate and emulate the image processing algorithms in software and hardware, the universal image processing platforms of software and hardwar e have been built. as a result, the realization process of infrared image processing is decomposed to serials of subprocesses including algorithms research, software simulation, hardware emulation, and transfer to target system, thus reduces the difficult of development, lessens the risk of investment, speeds the development, and provides a good basis to future works

    為了對圖象處理演算法進行軟硬體的模擬和模擬,分別搭建了圖象處理軟硬體用平臺,從而將紅外圖象處理實現分解成:演算法研究,軟體模擬,硬體模擬,最後移植到目標系統等一系列過程,降低了開發難,減少了投資險,並加快了開發,為今後的后續工作打下了良好的基礎。
  14. It is found that the climatological mean of wind speed and air - sea humidity difference are both large, the variation of wind speed are almost in phase with air - sea humidity difference, yielding much larger or smaller latent heat flux. so the ocean release the most latent heat in its own winter of the two hemispheres when both wind speed and air - sea humidity difference are large

    發現在南北兩信區,和海氣濕差的變化幾乎是同位相的,平均背景和海氣濕差都較大,他們互相加強彼此對潛熱量變化的貢獻,所以海洋潛熱損失最大是發生信南北兩區的各自和海氣濕差都較大的冬季。
  15. Abstract : in the internal circulating fluidized bed, there exist the moving zone, fluidizing zone and heat transferring zone with different fluidized air velocities. the convection heat transfer coefficient of immersed tube in the heat transferring zone is impacted by the velocity of the moving zone nearby and its data and change trend are obviously different with those of the common bubbling bed. the maximum heat transfer coefficient is evidently higher than that of the bubbling bed. as the bed materials have not been fluidized in the heat transfer zone, the coefficient has increased highly. the curve of that changes gently, feasilble to control the combustion intensity in the fluidizing zone

    文摘:垃圾焚燒系統中,內旋流流化床存在不同布的移動區、流動區和換熱區,處于換熱區的埋管的對流換熱系數受附近流動區氣流參數的影響,其變化趨勢及數值大小與普鼓泡型流化床之間有明顯不同:最大的對流換熱系數明顯高於鼓泡床;換熱區尚未流化時,對流換熱系數已經大幅提高;整條換熱曲線的變化比較平緩,易於流化床濃相床內換熱。
  16. Critical ventilation speed between platform and concourse at subway station

    地鐵車站站臺與站廳間臨界通風速度的研究
  17. By using fds software, the critical ventilation speed from platform to concourse was studied in the different conditions

    利用fds場模擬軟體,對不同條件下站臺與站廳間所必需的臨界通風速度進行了計算機模擬研究。
  18. Based on the analysis of the variation law of smoke flow in subway platform fire, a concept about critical ventilation speed from platform to concourse was presented

    在分析了地鐵站臺火災時煙氣流場變化規律的基礎上,提出了臨界通風速度的概念。
  19. The results indicate that the critical ventilation speed is direct ratio to the heat release rate and reverse ratio to the height of the smoke barrier which lies in the stairs ' access between platform and concourse

    研究表明:臨界通風速度與火災熱釋放率成正比,與站臺和站廳間樓梯口處的檔煙垂壁高成反比。
  20. There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on

    本文的研究工作主要包括以下幾個方面的內容: ( 1 )綜述了國內外相關的研究現狀和研究背景; ( 2 )簡介了置換的工作原理,並分析了它相對于混合的優良特性及評價指標、末端裝置等; ( 3 )對採用置換方式房間的溫場、場和氣流分佈進行了模擬計算與分析; ( 4 )對採用置換方式房間的熱力分層高進行了模擬計算,並分析其影響因素,如:送、送、圍護結構傳熱和熱源分佈等; ( 5 )擬合了無量綱熱力分層高相應于送t 、送v 、熱源間距離l和圍護結構傳熱q的經驗公式。
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