空氣造影 的英文怎麼說

中文拼音 [kōngqìzàoyǐng]
空氣造影 英文
air study
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 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...
  • 造 : Ⅰ動詞1 （做; 製作） make; build; create; produce 2 （假編） cook up; fabricate; concoct 3 [書面語...
  • 影 : Ⅰ名詞1 （物體擋住光線后映出的形象） shadow 2 （鏡中、水面等反映出來的物體形象） reflection; image...
  • 空氣 : 1 （大氣） air; atmosphere 2 （氣氛） atmosphere 3 （氣閘） air brake4 pneum ; pneumo ; pneumat ;...
  • 造影 : [醫學] radiography
  1. If you are exposed to low to medium levels of air pollution, there is no general concern. for high level of pollution, there is no immediate concern but long - term effects are possible with persistent exposure. very high and severe pollution levels can mildly or significantly aggravate the symptoms to people with heart or reparatory illness

    若空氣污染水平屬輕微至中等，表示對一般公眾沒有影響；若空氣污染水平屬偏高，表示雖然對一般公眾沒有即時影響，但長年持續暴露亦可對健康造成長遠影響；若出現甚高或嚴重空氣污染水平，可能會輕微或嚴重加劇患有心臟病或呼吸系統疾病人士的病徵。
  2. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的問題：在額定負荷下，爐膛出口超溫、低溫段過熱器前煙溫高達936 ，遠遠超過815的設計值；噴燃器四周水冷壁結焦嚴重，過熱器管壁溫度超標，無法帶上額定負荷；甚至有時因燃煤質量的變化，必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中，燃燒器的結構、布置，水冷壁的粘污、結垢，過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況，從而影響爐內的傳熱和燃燒，造成爐膛出口超溫、水冷壁結渣等問題。
  3. With gelatin liquor as adhesive and wheat meal as granulation material, the effects on spray granule ' s strength of fluidizing gas velocity, bed temperature, nozzle air pressure and adhesive concentration were studied experimentally in a batch conical fluidized bed spray particle generator

    本文在一間歇錐形流化床噴霧造粒器中，以食用小麥澱粉為原料，以明膠的水溶液為粘結劑，實驗研究了流化氣速、床層溫度、噴嘴霧化空氣壓力、粘結劑濃度對噴霧造粒顆粒強度的影響。
  4. 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 。
  5. The system follows carnot cycle principle. driven by electricity, its working substance absorbs the latent heat in the air or other low - temperature heat source, and waste heat let out of living or industry, compresses it to heat by compressor, exchange, exchange heat with water to higher the water temperature ( 55 warm ). it a new water heating apparatus, used in home heating, and influenced by environment runoff and the heat exchang of working substance. this system is more used in southem china

    根據逆卡諾循環原理，採用電能驅動，通過工質吸收空氣中或其他低溫熱源中無法被利用的太陽能潛熱、生活及工業排放的廢熱，通過壓縮機壓縮升溫，再與水換熱，使水溫升高，獲得（ 55 ）熱水，是一種新型的熱水製造設備，應用於家庭和熱水系統，受到環境溫差和工質換熱的影響，熱泵熱水器/熱水系統更多適合南方地區應用。
  6. Through the analysis and studying of this subject, we can make conclusion as followed : during the whole heating season, the change law of the energy consumption of the thermal bridge is with the change law of the meteorological condition inside and outside the room : when airs temperatures indoor is steady, thermal bridge energy consumption increases with reducing of air temperature outside the room, reduce oppositely. the different position and the different structure patterns of the thermal bridges, even under the same meteorological condition inside and outside of the room, energy consumption of the building is different, and impact on heating energy consumption is different, this is mainly caused by the difference of the constructs thermal bridge and different influence in term of out wall, which lead to total mean heat - transfer coefficient different, when the heat - transfer coefficient is relatively small of outer wall, the impact of wall body is more obvious on heat - transfer coefficient of the thermal bridge

    然後確立了在節能建築中熱橋耗熱量與室內外氣象參數和熱橋構造型式的關系，分析與研究並得出：在整個採暖季節中，熱橋的能耗隨著室內外氣象條件的變化規律是：在室內空氣溫度一定時，熱橋能耗隨著室外空氣溫度的降低而增大，相反減小；不同部位的熱橋，其構造型式不同，即使在相同的室內外氣象條件下，產生的能耗也是不同的，並且對採暖能耗的影響也不同，這主要是由於不同構造的熱橋對外墻的總平均傳熱系數的影響不同所造成的，並且當外墻主體的傳熱系數較小時，熱橋對墻體的傳熱系數的影響更加明顯。
  7. Powdery propellant, oxide, polymer and agent can be mixed to make slurry explosive, the sensitivity of slurry explosive is discussed ; slurry explosive can be made into special shape destructor, it results of the area, height and setting angle of explosive is related to the destr ucted effect ; the destroying effect of slurry explosive is also studied from the experiment in the air and on the steel plate

    在粉碎后的發射藥顆粒中加入氧化劑、膠凝物及交聯劑等能製成漿狀炸藥，研究了影響其感度的因素；根據漿狀炸藥的特點可以用來製造一些特殊形狀的爆破具並其進行了對比實驗；對漿狀炸藥在空氣中和鋼板上的破壞作用也進行了對比實驗研究。
  8. The course will focus on current transport - related themes confronting many cities in the region, including : rapid motorization and suburbanization and subsequent impacts on transportation infrastructure and quality of life ; public sector management and improvement of privately - owned and operated transit systems ; and, transportation air pollution problems and potential solutions

    課程將著重於該地區城市目前面對的運輸相關主題，包括迅速的汽車化和郊區化，和其對運輸基礎設施和生活質量的影響；管理公共運輸部門及改進私人經營的交通運輸系統之道；運輸所造成之空氣污染問題及其可能的解決方法。
  9. However, an effort at simply reducing the noise leakage at the expense of sacrificing the air supply in the engine room will result in an uneven cooling on the surface of the diesel engine

    單純降低噪音的外泄而犧牲油機房內的空氣流量會造成油機表面冷卻不均勻，減少油機的發電容量，影響正常使用。
  10. Since the air leakage rate of the air preheaters in waigaoqiao 900 mw units is too high, and the opening of the primary fan stationary blades can not meet the requirement of the unit loads, a retrofit was carried out for the air preheater sealing system in according to the scheme proposed by alstom germany

    摘要針對外高橋900mw機組空氣預熱器漏風率偏高、一次風機靜葉開度不能滿足機組負荷要求這一影響機組運行的安全性和經濟性的問題，依據alstom德國公司提出的改進方案，對該空預器密封系統進行了改造。
  11. According to the character of outer shape of modem buses, the numerical calculations are performed from the simplest shape - cuboid by using ansys / flotran software. first, the foreside of the cuboid is modified step by step in 17 models ( this is equal to the process of modification to the foreside of a bus ). second, the afterbody of the cuboid is modified step by step in 9 models to model flow wake at rear end and get the drag coefficients and lift coefficients in different aterbodies

    在本文中，應用ansys flofan軟體，根據現代客車外形的特點，從最簡單的長方體開始進行數值模擬計算，首先對長方體的前部進行逐步改造（相當于對一個客車頭部進行改造的過程） ，這一步驟包括了17個模型；然後再對其尾部進行變化，以模擬客車后車體形狀對空氣阻力系數的影響，該步驟包括9個模型：最後給出兩種現代客車的數值模擬結果。
  12. In heavy snow years, there are marked anomaly of atmospheric circulation : on 500 height field trough of east asia is heavier, north - west flow after height trough is striver, so that cold air of eastern region is stronger following " cold winter '. spring rain answering to eurasia winter snow anomaly is notable, in heavy snow years, yangtse - river has negative rain anomaly

    在歐亞冬季積雪異常偏重的年份，大氣環流出現顯著異常： 500hpa位勢高度場上徑向氣流占優勢，東亞大槽偏強，高度場槽后西北氣流偏強，造成影響我國東部地區的冷空氣偏強，出現「冷冬天氣」 。我國春季降水對歐亞冬季積雪異常的響應最為顯著，重雪年春季我國長江流域以南大部地區出現明顯的降水負異常。
  13. And because fish breathe water like humans breathe air, slight changes in oceanic acidity can have disastrous consequences for marine life. corals, shellfish and even plankton, the tiny plants that provide the basic food source for fish, are strongly affected by this increasing acidity

    海水對魚類而言，就像空氣對人類一樣的重要，所以即使是些微的海水酸化，對海洋生物來說，也會造成嚴重的災難，像珊瑚貝類甚至浮游生物等這些魚類賴以維生的食物，都會因為海水酸度增加而受到嚴重影響。
  14. Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  15. Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    文摘:運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  16. Choose a suitable location for density residential blocks to minimise the negative visual, noise and air quality impacts

    地點高密度住宅大廈的選址，應該以盡量不造成負面的視覺、噪音和空氣質素影響為佳。
  17. This platform is then used to study the temperature distribution and fluctuation of module ' s wall, the fluctuations of thermal control system, temperature and humidity in the cabin for the short and long cycles of the thermal environment changes. this thesis suggests a temperature control method for cooling loops, a temperature and humidity control method of the cabin air and simulates their effectiveness

    用該平臺模擬了艙壁的溫度分佈及波動特點，研究了熱輻射環境的短周期和長周期波動及艙內熱負荷波動對熱控制系統及艙內空氣溫度、濕度造成的動態影響；給出了熱控迴路溫度控制方法，利用最佳去濕流量的概念提出了具有回熱流程的艙內空氣溫度、濕度控制方法，對控制效果進行了動態模擬。
  18. Moreover, these dust particles are ideal in size for creating ice crystals, which can cause clouds and rain - conditions that could directly affect weather and climate

    再者，這些空氣懸浮微粒的大小剛好可以製造出冰晶，會導致雲層的生成和下雨? ?種種現象都有可能直接影響到天氣及氣候。
  19. Transport was considered to have contributed to environmental problems, particularly with regard to air quality and noise impacts

    但是，交通運輸已被視為造成環境問題的因素之一，尤其在空氣質素及噪音影響方面。
  20. Steel and iron manufacturers also extensively use oxygen or oxygen - enriched air to affect chemical refining and heating associated with carbon removal and other oxidation reactions

    鋼鐵製造商還廣泛使用氧或富氧空氣來影響同除碳和其它氧化反應相聯系的化學精煉和加熱。
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