空氣造影的 的英文怎麼說
中文拼音 [kōngqìzàoyǐngde]
空氣造影的
英文
gas-contrasted- 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
- 造影 : [醫學] radiography
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By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並對氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變氣體的氣路是非常有效的,模擬值與實驗值基本得到吻合。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。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。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。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 。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。The aim is to provide weather forecasts and issue warnings to the public, special users, the shipping community, aircraft and aviation groups in order to reduce loss of life and damage to property, and minimise disruption to economic and social activities during hazardous weather
宗旨是向市民特殊用戶航海界飛機及航空業人士提供天氣預報服務及發出警告,以減輕惡劣天氣所造成的人命傷亡和財物損毀,以及對經濟和社會活動的影響。For the tectonic coal , the properties of higher porosity and lower permeability make it capable of keeping higher gas pressure ; both of the “ isolating action ” and “ gas - cushion action ” cut down the resistance against outburst ; the specifity of high - defomed - extent makes desorption , escape and flowing quickly become possible ; the existing of weak - seam or “ thoroughfare - seam ” create suitable conditions for the initial erupting and continued developing of coal and gas outburst. on the whole , it is the synhesis action of all factors , which leads to outbursts. the existing of tectonic coal with certain thickess is the essential condition of coal and gas outbursts , but not the sufficient condition
高空隙率、低透氣性使構造煤能夠保持較高的瓦斯壓力;破碎性、 「隔離」作用及「氣墊」作用,使構造煤抵禦外力作用的能力大大降低;構造煤變形幅度大的特性,為瓦斯的迅速解吸、放散和快速流動創造了條件;構造煤薄弱分層或「通道層」的存在,則為煤與瓦斯突出的初始激發和持續發展奠定了基礎;上述因素的共同作用,影響和制約了煤與瓦斯突出的強度和分佈.盡管如此,一定厚度的構造煤的存在只是發生煤與瓦斯突出的必要條件和有利條件,而非充分條件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。The authors measure their electrical transport properties in air and in vacuum respectively and find that the electrical transport of sodium titanate nanowires devices is affected. this is attributed to oxygen adsorption on the surface of nanowire
分別在大氣和真空兩種環境下測量了該器件的電學特性,發現器件所處的氣體環境可以影響其電傳輸特性,這可能是由於納米線表面的氧分子吸附造成的。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。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。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。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。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。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。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。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。Moreover, second - hand smoke is the most important indoor air pollutant. if somebody smokes in some public indoor premises, everyone in the premises will inevitably be subjected to second - hand smoke as well
此外,二手煙是造成室內空氣污染的主要源頭;假如有人在室內公眾場所吸煙,所有置身當中的人士都會受到二手煙的影響。An optical phenomenon that creates the illusion of water, often with inverted reflections of distant objects, and results from distortion of light by alternate layers of hot and cool air
海市蜃樓:一種可以創造出水和遠處物體的倒影的光學現象,是冷熱相間的幾層空氣導致的光線扭曲而產生的結果分享友人