通氣率 的英文怎麼說

中文拼音 [tōngqìlǜ]
通氣率 英文
ventilation rate
  • 通 : 通量詞（用於動作）
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Less reflective than ice, water absorbs more solar rays, speeding the thaw and channeling meltwater into seals ' breathing holes

    比冰的反射率小，海水吸收了更多的陽光，加速了融化並使融化后的淡水注入這些通氣孔。
  2. The properties of polyurethane ionomer were studied, including calorifics, dynamic mechanism and shape memory. comparing to the liner shape memory polyurethane non - ionomer, ionomer has superior effect on shape memory behavior and water vapor permeability especially the water vapor permeability increased from 5 - 8 times of liner smp to 20 - 30 times of ionomers lastly the novel crosslinked shape memory polyurethane was synthesized, which shape recovering temperature were randomly controlled and can completely recover original shape. the properties of polyurethane were studied, including calorifics, dynamic mechanism and shape memory

    然後，在此基礎上合成了離子型形狀記憶聚氨酯材料，對其熱性能、動態力學性能、形狀記憶性能、透濕氣性能進行了研究，並與普通非離子型形狀記憶聚氨酯進行了比較，研究發現離子型形狀記憶聚氨酯具有更大的軟段結晶度、更好的形狀記憶性能、更優越的力學性能和透濕氣性能，尤其是其透濕氣性能有了非常顯著的提高，其高溫段濕氣滲透率是其低溫段濕氣滲透率的20 30倍，遠遠大於線型形狀記憶聚氨酯的5 8倍。
  3. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上，首先從胭脂蟲的形態學、分類學、生物學特性入手，進而在實驗室內利用人工氣候箱，應用正交設計方法，設計了4種溫度、 2種濕度、 2種光照梯度的不同組合，通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標，深入研究胭脂蟲在這些組合下的生長發育狀況，應用數理統計方法，分析出溫度、濕度和光照對各項生物學指標的影響，找出胭脂蟲適宜的室內培育條件，並為野外胭脂蟲的培育提供一定的理論依據。
  4. During all these conversations the utmost frankness and usually a spirit of cordiality prevailed.

    所有這些會議都籠罩著極其坦率而且通常是熱誠親切的氣氛。
  5. Therrnogravimetric analysis at heating rates 5, 10, 15 and 20 c / min was used to study the decomposition kinetics of the pdms / pma ipn in ni and in air by using tg and dtg, and the upper limit of the temperature was 700 c. it was found that ipn began to decomposite at 350 c. the process of the thermal degradation was multiple steps, the curve of the rate of thermal decomposition had two peaks, one of which lied between 400 c ~ 420 c and the other lied between 500 c ~ 540 c, the result corresponded to the components of ipn

    在熱分解動力學研究中，通過在兩種氣氛中，分別以5 、 10 、 15和20 min四種升溫速率條件下，採用tg - dtg聯動測試， ipn材料在350開始熱分解。熱分解速率存在兩個峰值，一個分解峰值在400 420之間，另一個在500 540之間，這與ipn結構中包含兩組分相對應，同時發現當緩慢升溫時，特別是在空氣氣氛中，兩個分解峰減弱，熱分解趨向於一個連續過程。
  6. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度，然後通過污染物在氣相、液相的質量組分方程，結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程，獲得了污染物在液相和生物膜中濃度分佈的近似分析解，最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  7. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  8. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。
  9. Presently, the world largest scale and most influential brand meeting : 2004 international vehicle maintenance equipment exhibition attracts exhibiters from more than 100 countries and regions in the world to participate the conference in german frankfort. zonda auto group, the leader in chinese maintenance trade, introduced the new product which behalf the international advanced technology, such as paint equipment, became the spot light on the exhibition. the new product zd - 900 of zonda is a new - type of energy - conserving product, adopt international advanced technical, the heat system which the core parts of the product meet the high level demand

    車輛行駛時，可利用富餘功率給電池充電，無需停車充電，也不必增加充電站該車每100公里油耗僅22 . 4升，比同等噸位的燃油汽車節油30 % ，加滿一箱油可行駛650公里尾氣排放達到了歐標準維修費用僅為燃油車的1 3該車在國家汽車質量檢測中心通過了54項強制性試驗，下線后已行駛1 . 7萬公里，表現出了良好的安全性能。
  10. Based on orthogonal designed experiment, the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process showed that the light fired temperature and holding time mostly influenced the apparent porosity of the multiphase materials. further study on the light firing time indicated that at the light firing temperature of 1300 and died fire temperature of 1600 for 3h, the optimal light fired time was about 1h

    二次煅燒及正交實驗合成復相材料研究表明：輕燒溫度和輕燒時間對復相材料的顯氣孔率影響顯著；通過輕燒保溫時間的進一步研究表明：含剛玉、莫來石、鋅鋁尖晶石的復相材料，在輕燒溫度為1300 、終燒條件為1600下保溫3h時，最佳的保溫時間為1小時左右。
  11. Firstly, evidence from depositional pattern suggests that the hsl has experienced an expansion - contraction circle since the late glacial epoch. the expansion and movement of the hsl or desert in early stage were clearly marked by the presence of paleo - aeoline sands. the occurrence of paleosoal characterized the stabilization and contraction of the hsl and also indicated the activity of pedogenesis on the paleo - aeilian sands

    通過系列氣候代用指標的分析，首次發現該地區粒度、磁化率指標值在兩個大的峰值之間有多個小的峰谷出現，表明了在大的氣候變化階段次一級的暖濕?乾冷氣候波動，值的進一步做年齡的小尺度高解析度研究。
  12. Conclusion : patients with the combination of respiratory failure and chest wall deformity from tuberculosis had a significantly better survival when treated with home mechanical ventilation than with long - term oxygen therapy alone

    結論：家庭機械通氣比單純長時間氧療更能提高合併呼吸衰竭和胸壁畸形的肺結核患者的生存率。
  13. By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project

    接著，通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗，了解了氣化爐內溫度場分佈，得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律，並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗，為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。
  14. Later at 6, 9, 12 months with holter examination. results clinical symptoms improved and no pacemaker syndrome occured after the follow - up of sixty - two paients

    結論單腔雙感知和單腔單感知頻率應答起搏器對比，當活動量或通氣量增加時，起搏頻率隨之增加，其臨床效果無明顯差異。
  15. Airway resistance ( raw ) tends to increase and inspiratory resistance ( ri ) in 7d increases significantly. compliance of lung ( cl ) has not a prominent change. 2. the alveolocapillary permeability increases during simulated weightlessness and can recover a bit as simulated weightlessness goes on

    3秒率oevm x呼氣峰流速oef卜最大通氣量p ）比正常水平降低，其中以7dfevm和zidmvv變化顯著；氣道阻力份刪）增大，以7d吸氣阻力仰變化顯著：肺順應性k1 ）變化不大。
  16. At the same time the number of holes for liquid flowing, gas flowing and blocked to the number of total holes was defined as liquid flowing ratio, gas flowing ratio and blocked ratio. the experiment was made with in - diameter 500mm column using water - air system, the ratio was first delected in detail by multi - path conductivity gauge for the compound tray with free area 20 % and 25 % respectively

    採用多路電導測試儀，在直徑500mm的冷模塔內，以空氣-水為介質，首次較系統地測量了開孔率為20和25的復合塔板的通氣、通液和阻塞篩孔的數量比例，獲得了通氣率、通液率和阻塞率隨氣液變化的基本規律。
  17. Standard test method for determining rate of air leakage through exterior windows, curtain walls, and doors under specified pressure differences across the specimen

    通過樣品的規定壓差測定外窗幕墻及門的漏氣率的標準試驗方法
  18. This step should be repeated 15 times at a rate of 80 per minute. then move to the patient s head and clear his airway. apply mouth - to - mouth ventilation twice

    以上動作以每分鐘80次之速率，連續做15次，再移向病者頭部，暢通氣道，做兩次人工呼吸。
  19. Conclusion : complications can be reduced by using smaller tympanostomy tubes

    結論:應用小型鼓膜通氣管可顯著減少置管術后並發癥發生率。
  20. Background : noninvasive ventilation has become increasingly available to spinal muscular atrophy ( sma ) patients since the early 1990s. this is expected to have improved survival for sma type 1 patients

    背景：自90年代早期，非侵入性通氣越來越廣泛的應用於脊肌萎縮癥（ sma ）患者，被認為提高了1型脊肌萎縮癥患者的生存率。
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