空氣量孔 的英文怎麼說
中文拼音 [kōngqìliángkǒng]
空氣量孔
英文
air jet-
Planting bar used syringes from the bottom of the hole to put adequate amounts of external uniform adhesive filling injection hole, pay attention not to air hole inclose
使用植筋注射器從孔底向外均勻地把適量膠粘劑填注孔內,注意不要將空氣封入孔內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。The paper described the building process of model that can identify the shock - absorber parameter of landing gear and at the same times optimize performance of system. in this paper, there are also some debate, it include identifying parameter which can not be measured, such as the air polytropic exponent and the orifice discharge coefficient of shock - absorber
本文利用復合形優化演算法建立了起落架緩沖系統參數識別與系統優化模型,對緩沖器空氣壓縮多變指數和油孔流量系數等不可測參數的識別和著陸、滑跑載荷多目標優化問題進行了討論。The world ' s reference bioaerosol sampler is a multi - stage, multi - orifice cascade impactor designed to measure the concentration and particle size distribution of aerobic bacteria and fungi
世界標準的微生物采樣器是多級,多孔瀑布式撞擊采樣器。是為測量空氣中細菌和真菌微粒大小分佈的濃度而設計。The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200
確定了制備空氣電極的優化工藝條件,催化層中ptfe含量約20 , mno _ 2的最佳含量約為20 ,催化層中活性炭和乙炔黑的比例為4 : 1 (質量比) ,厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ,以無水硫酸鈉作為造孔劑,厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式,冷壓成型,熱處理對空氣電極的性能影響較大,熱處理溫度不低於200 。When the water - air ratio increases, air ' s changing quantity of enthalpy and absolute humid will be enhanced. at last, the paper analyses the data from single factor experiment by mathematics method and gets relationship formulas about the nozzle flux, valid humidifying quantity and air ' s enthalpy changing quantity
最後,對上述單因素試驗得到的數據進行數學分析,運用線性回歸分析、多項式回歸分析和非線性回歸分析的數學方法,得到影響撞針型高壓小孔徑離心式噴嘴的噴嘴流量、有效加濕量和空氣焙變量的數學關系式。Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %
當入射空氣的壓強、氣流量,液面高度,出氣孔直徑增大時,氣泡直徑隨之增大;當出氣孔數量,液體粘度增大時,氣泡直徑減小,表面張力對氣泡直徑的影響可以忽略不計;靜態條件下液體表面氣泡直徑的預測值和實驗測量值符合得較好,相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。Model xjq has following features : ( 1 ) dummy bottom is adopted, making the recycling capacity of the recycling cylinder is 2. 5times of the tand. ( 2 ) the stator is a cylinder in structure with its inner wall being vertically ribbed, and slots are placed, leading to better cutting lffect to the slurry. ( 3 ) due to low immerging depth of the rotator, low rurning speed of the impeller, and wide space between the impeller and stator, wearing is low and power consumption greatly reduced. ( 4 ) it is spontaneously aerated
Xjq型浮選機為仿維姆科型,該機主要有以下幾個特點: ( 1 )採用了假底,循環簡可使循環量達到槽容積的2 . 5倍; ( 2 )定子結構為圓筒型,內壁設有立筋條和長孔,對礦漿的前切作用好; ( 3 )轉子浸沒深度淺,葉輪轉速低,葉輪和定子間隙大,所以其磨損輕,動力消耗大大減少; ( 4 )可自吸空氣。Later, the paper ascertains how the prominent factors influence the humidifying effect by single factor experiment and got such solutions : when other situations do n ' t change, the nozzle flux will enhance with the increase of the nozzle aperture and spraying pressure. air ' s changing quantity of enthalpy and absolute humid, valid humidified quantity, humidifying efficiency and saturation efficiency will enhance with the increase of the initial water temperature. with the enhance of the praying pressure, the valid humidified quantity and air ' s changing quantity of enthalpy will increase first and decrease later, while the humidifying efficiency will drop
然後通過單因素試驗確定影響顯著的因素如何作用加濕效果,得到:在其他條件不變的情況下,噴嘴流量隨噴嘴孔徑和噴水壓力的升高而增大,空氣焓變量、絕對濕度差、有效加濕量、加濕效率及飽和效率隨噴水初溫的升高而提高,有效加濕量和空氣焓變量隨噴水壓力的升高先增加然後有所下降,而加濕效率隨噴水壓力的升高而下降,焓變量和絕對濕度差隨水氣比的增加而增大。Soil improvers and growing media - determination of physical properties - dry bulk density, air volume, water volume, shrinkage value and total pore space
土壤改良劑和生長劑.物理特性的測定.毛體積干密度空氣量水量收縮值和總孔容When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters
實驗時,通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣,改變空氣流速,測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數,並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。Ist idle jet
第一怠速空氣量孔Air metering hole
空氣量孔In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,
根據節能設計要求,本文用熱力學的方法,並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程,建立了墻體熱、濕和空氣耦合熱質傳遞模型,並推導出熱、濕和空氣耦合傳遞等效擴散方程;找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體,用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。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。An amendment should decrease bulk density, increase total porosity, and increase water and air content.
改良劑能降低堆積密度,增加總孔隙度,增加水和空氣的含量。The pop orifices are designed to assure equal flow to burners and to measure the flow of air and gas
計量孔板是為確保到爐頭的流量和到計量儀器的空氣或燃氣相等。The optimum conditions for air electrode preparation were shown as follows : active carbon which was baked for 15 min in 900 as carrier for catalyst, bond is 60mass % polytetrafluoroethylene ( ptfe ) liquor, 20 % ptfe in waterproof layer, 10mass % pore - making in waterproof layer thickness of waterproof layer 0. 30mm, 10mass % ptfe in catalysis layer, nickel screen for current collector, compacting pressure 6mpa
確定製備空氣電極的最佳工藝條件為:催化劑載體的處理條件為在900下灼燒15min ,粘結劑為60mass % ptfe的水溶液。防水層中pefe含量為20mass % ,造孔劑含量為10mass % ,其厚度為0 . 3mm 。催化層中ptfe含量為10mass % 。While the method of the charging structure of vacuum space at the bottom is applied to vacuum exploding. the technology is based on the principle of the rock crash mechanics, and the soft material, such as the gas or water, was used as the space sect
而孔底空腔裝藥爆破,採用孔底空腔間隔裝藥結構,是根據巖石的破碎機理和炸藥能量突變時對周圍介質產生干擾和破壞的原理,在炮孔孔底採用柔性材料(空氣或水等)作間隔介質的一種爆破新技術。Simple air metering orifices coupled to the unique balancing regulator provide accurate control of the air - fuel ( gas or oil )
簡便的空氣計量孔板裝配在平衡閥的介面上來實現空氣-燃氣,空氣-油的精準控制。分享友人