ventilation resistance 中文意思是什麼

ventilation resistance 解釋
通風阻力
  • ventilation : n. 1. 通風，換氣（法）；通風裝置。2. 發泄，發表；（問題的）公開討論；訴諸輿論。
  • resistance : n. 1. 抵抗，反抗，抗拒，抵禦；敵對，抵抗力，反抗力，阻力，【生物學】抗病性。2. 【電學】電阻；阻抗；電阻器。
  1. The experimental studies of heliox decreasing air way resistance and improving pulmonary effective ventilation

    氧混合氣降低氣道阻力和提高肺有效通氣的實驗研究
  2. A displacement ventilation system was provided, it can form the " air layer " at the bottom of room so that resistance dewiness air meet directly the cold floor surface

    本文採用房間下部送風的方式，使之形成地面「空氣湖」 ，阻隔潮濕空氣與室內地板表面的直接接觸。
  3. Fuzzy evaluation of air resistance in roadway ventilation

    巷道通風阻力的模糊評價
  4. Fire classification of construction products and building elements - classification using data from fire resistance tests, excluding ventilation services

    施工產品和建築部件的防火等級.根據防火試驗的數據進行分類
  5. Fire classification of construction products and building elements - part 2 : classification using data from fire resistance tests, excluding ventilation services

    建築產品和部件的燃燒性能分類.第2部分:用耐火試驗數據進行分類
  6. Fire classification of construction products and building elements - part 2 : classification using data from fire resistance tests, excluding ventilation services ; german version en 13501 - 2 : 2003

    建築產品和部件的燃燒性能分類.第2部分:用耐火試驗數
  7. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的氣流看成是理想流體的一維恆定流動，通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型，利用計算機進行數值分析與計算，得出發生火災時，不同通風阻力條件下隧道中的風速分佈及流量分佈，並通過實驗室隧道模型實驗進行驗證與修正，依據研究結果給出了二郎山半橫向通風隧道的火災控制方案，從而解決了二郎山公路隧道通風對火災的控制問題，同時為半橫向通風公路隧道的火災通風提供科學的方法。
  8. Countermeasures on reducing ventilation resistance

    降低礦井通風阻力對策
  9. In the egg laying industry, the bodies of laying birds often suffer from deteriorated resistance to disease, short duration of the peak period of egg laying time and low rate of egg production due to the laying houses incomplete disinfection, poor sanitation, low - intensity light and lacking ventilation

    在蛋禽飼養中，由於禽舍消毒不徹底，環境衛生較差，光線不足，通風不暢等原因，導致蛋禽機體抗病能力較差，產蛋高峰期持續時間較短，產蛋率降低。
  10. Fire resistance test method of ventilation ducts

    通風管道的耐火試驗方法
  11. Testing of filter sands for air - raid shelter ventilation - determination of flow resistance

    防空洞通風用濾砂試驗.氣流阻力測定
  12. Calculation of total ventilation resistance of mine y - diagonal ventilation network

    礦井角聯通風網路總風阻的計算
  13. The resistance reducing reform and the result analysis for the ventilation system in yangzhuang coal mine

    楊莊煤礦通風系統降阻改造及效果分析
  14. The technical measures of dropping mine ventilation resistance

    降低礦井通風阻力的技術措施
  15. In the light of the fuzzy property of influence factors of air resistance in roadway ventilation, this paper establishes five standard patterns based on analyzing the influence factors, uses fuzzy recognition method to determine the membership function of the influence factors, then rationally evaluates the value of roadway ' s air resistance and whether the roadway ' s ventilation effect is good or not

    摘要針對巷道中通風阻力影響的模糊性，在分析其影響因素的基礎上，建立了5個標準模式，運用模糊識別的方法確定各因素的隸屬函數，從而合理評判巷道中通風阻力大小與巷道通風效果的優劣。
  16. Fire proof valve refers installed in the ventilation, air - conditioning systems to send, and the road back to the wind, opened in a state of fire when the temperature reached 70 degrees, the gas automatically closed in a certain period of time to meet the fire resistance requirements of the stability and integrity of fire resistance, a possible role of the fire fight valves

    防火閥是指安裝在通風、空調系統的送、回風管路上，平時呈開啟狀態，火災時當管道內氣體溫度達到70時自動關閉，在一定時間內能滿足耐火穩定性和耐火完整性要求，起隔煙阻火作用的閥門。
  17. Analysis of resistance reducing and anti - disaster abilities improving in combined ventilation mines with multi - air shafts

    多風井聯合通風礦井降阻及提高抗災能力探析
  18. Our production of magnesium hydroxide modified surface treatment products, high purity, particle size uniform dispersion of good, strong affinity, are halogen - free, smoke - free, no drops, non - toxic, the safety of flame retardants, rubber, plastics, rubber, engineering, electrical appliances, wires, cable, cable sheathing, thermoplastic materials, insulators, surge arresters, synthetic textiles, fire retardant paint, ink, paper, conveyors, mine ventilation duct, electronic appliances equipment, tarpaulins, tents, military, aerospace, shipbuilding, automobiles, steel products, such as the glass industry ideal fuel filler - type resistance

    我公司研發生產的改性表面處理氫氧化鎂系列產品，純度高、粒徑均勻、分散性好、親和力強，屬于無鹵、無煙、無滴、無毒性、安全性的阻燃劑，是橡膠、塑料、橡塑、工程塑料、電器、電線、電纜料、電纜護套、熱縮材料、絕緣子、避雷器、化纖紡織、防火塗料、油墨、造紙、運輸帶、煤礦風筒、電子電器器材、蓬布、帳篷、軍事、航空航天、造船、汽車、玻璃鋼製品等各行業理想的填料型阻燃料。
  19. After putting the 150 mg / m3 electrostatic needle filtration fabric on the home air condition, the air condition ' s purifying efficiency can get to 71. 0 % ~ 73. 6 % and the resistance is 56 ~ 92pa which is a little higher. and the blast air ' s speed becomes lower and the quality of ventilation becomes less which affect the air condition ' s work

    櫃式家用空調器上使用150g m3的針刺荷電纖維后，過濾pm _ （ 10 ）的效果顯著，過濾效率可以達到71 . 0 73 . 6 ；阻力稍微偏高，達到56 92pa ，送風口風速降低30 ，通風量減少，延遲了空調製冷時間，製冷效果沒有原來好，使用時應注意。
  20. Study on the local ventilation resistance of multistage fan station

    多級機站通風局部阻力的研究
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