氣管分佈 的英文怎麼說

中文拼音 [guǎnfēn]
氣管分佈 英文
tracheation
  • : 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...
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 氣管 : air tube; windpipe; trachea; weasand; tracheal sac氣管病 tracheopathy; tracheopathia; 氣管切開術 ...
  1. Gis ( geographic information system ) was developed from 1960s ". it integrates the data collection, storage, management and analysis. it can describe the information of earth surface ( including aerosphere ) and the spatial information of space and geography distribution

    地理信息系統( gis )是60年代發展起來的一種集數據採集、存儲、理、析於一體,並能夠描述地球表面信息(包括大層在內)以及空間、地理相關數據的空間信息系統。
  2. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的規律.在此基礎上,比較了2種不同設計方案的流流動特徵,尤其是研究了燃燒器空通道內阻流板的設置與否對空和煤的流動和混合的影響.結果表明,阻流板的設計對加強空和煤的混合有著極為重要的作用,同時也增加了空道的阻力損失,在同樣的工況條件下需要提高道系統的總壓力
  3. The bronchopneumonia is exudative in type and lobular in distribution.

    肺炎在性質上是滲出性的,在是小葉性的。
  4. The bacteri of strain tl2 were found to be mainly distributed in the intercellular space of sclerenchyma in the root, the intercellular space of collenchyma and vascular bundle in the stem, the stomatal apparatus, the intercellular space of epidermal cell, collenchyma and endodermis in the leaf

    其菌體主要在根部厚壁組織的細胞間隙,莖部厚角組織的細胞間隙、維束等組織的細胞間隙、葉片的孔器附近、上下表皮細胞間隙、厚角組織細胞間隙以及內皮層組織細胞間隙等。
  5. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片蒸發器結構特點進行析,選取適當的微元控制體,就干、濕和霜工況下對每個微元別進行傳熱傳質析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態參數和參數間定量耦合的觀點來析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空溫濕度和霜厚度場,實現對翅片蒸發器在干、濕和霜工況下的動態模擬。
  6. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱預熱器壁面溫度的影響;然後對影響整個流場的各種因素:包括流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場,得到下級空預熱器出口、熱預熱器進口處的斷面速度場、濃度場,以論證加裝導流板能達到流場均勻化的作用。
  7. Began with introducing the stomatic cubage of paper capillary and absorption to liquid of paper capillary, a method to study the distribution of paper ' s capillary is advanced, and based on that, the penetrating phenomena and penetrating depth are analyzed

    摘要基於紙張毛細孔的容積和紙張毛細對液體的吸收等,提出了研究紙張毛細的一種方法,並在此基礎上,析了油墨的滲透現象和滲透深度。
  8. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方法研究了烴源巖有機質的熱演化史和油生成史,並結合區內構造發育特徵,探討油在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的規律,並結合孔隙演化特徵,探討儲集條件在油聚集成藏中的作用;利用微毛細壓力曲線法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質特徵,指出有利於油保存的地區;根據區內存在的各種圈閉類型,對可能存在的油藏進行了類,並試圖從油的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油成藏條件,並結合構造演化特徵,預測其油藏類型和成藏模式。
  9. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻量估算方法,為導流洞排方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  10. 2. using cfd software - fluent, many flow states were been simulated. these states are the influence of nozzle structure with the flow, the distributing characteristic of inside flow, the influence of cold gas flow and outside flow with the work of the nozzle, the change of inside pressure load when the nozzle regulates

    2 、藉助cfd軟體fluent ,計算出可調噴本身結構對流動的影響、可調噴流場的參數、冷卻流對噴流動的影響、外流對可調噴內流的影響、噴的冷流流場和噴調節過程中內壁面的壓強載荷變化。
  11. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現,體噴嘴位置對固噴射器的輸送能力影響最大,體噴嘴存在某一最佳位置,而這一最佳位置與背壓、輸送物料特性和輸送風特性相關聯;固噴射器的收縮角對其輸送能力、內部靜壓和輸送阻力特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送風范圍內,提高體噴嘴出口速度比擴大體噴嘴尺寸更為有利,但體噴嘴出口速度過高會增加固噴射器和輸送內的能量損耗,給輸送帶來不利的影響;系統背壓與固噴射器的體噴嘴出口速度的選取有關。
  12. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上析了現場加裝進箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變網阻力等工況下的應用精度和誤差規律;最後用visualc + +語言開發了風機性能在線監測系統。
  13. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場及阻力測定和熱態試驗的爐膛溫度場壁溫度等參數的測定,確定將式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙含氧量析,可以將燃燒的過剩空系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤量6 %以上。
  14. The gas field in pemfc means the gas distribution in gas source, gas inlet tube ( scale of m ), gas - blower, gas manifold ( scale of cm ), channel ( scale of mm ), diffusion layer ( scale of um ), hydrophobic layer and catalyst layer ( scale of nm ). the aim of changing the scales is to make oxygen reach reaction area as evenly as possible

    Pemfc的場指在源、進米級) 、風機、進箱(厘米級) 、流道(毫米級) 、擴散層(微米級) 、疏水層(亞微米級) 、催化層(納米級)中的,每一級尺度的變化是為了體的進一步均勻化。
  15. Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too

    本文的內容如下: 1對翅片蒸發器的結構特點進行析,選取適當的微元體,對于干、濕工況下每個微元別進行傳熱傳質析,通過適當的假設,利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的參數數學模型;對回熱器劃微元建立了參數數學模型;對體冷卻器建立了參數數學模型;對壓縮機建立了數學模型;建立了節流閥的數學模型,為系統模擬奠定了基礎。
  16. 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、低透性使構造煤能夠保持較高的瓦斯壓力;破碎性、 「隔離」作用及「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.盡如此,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,而非充條件
  17. It features stable running, low power consumption, easy maintenance, etc. nonetheless this kind of cushion - shape machine has been widely used, such theories as air layer formation, spiral - slot style, pores arrangement requires further analysis and research since the machines are only manufactured based on common, design and test so far and many relations among the data have been fixed yet

    墊機已被普遍使用。但迄今為止,對墊機的膜形成、盤槽形式、等理論析與研究還不夠深入,只是在常規設計和試驗的基礎上進行設計製造,許多參數之間的關系還沒能確定。
  18. In this paper, through the cfd modeling of the ash - agglomerated fluidized bed gasifier, the gas molar concentration distributions in the bed with the influences of the oxygen flow rate from the central nozzle, the steam flow rate from the distributor and the pressure of the bed are studied

    摘要通過cfd模擬了灰熔聚流化床化爐,考察了操作條件包括中心量、板水蒸量以及操作壓力對流化床化爐的相濃度的影響。
  19. Combination effect of nozzle gas distributor and particle properties on gas - solid flow behaviors in cfb risers

    器和顆粒物性對提升固兩相流動行為的聯合影響
  20. The surface of acini was not smooth and was found for the first time that lots of trachea extended gradually on it, which provide oxygen needs for various physiological events of this organ

    首次發現長角血蜱腺泡表面呈非平滑狀態,有大量的氣管分佈並逐漸支深入到腺體內,為唾液腺生理活動提供氧需求。
分享友人