均勻大氣 的英文怎麼說

中文拼音 [jūnyún]
均勻大氣 英文
homogeneous atmosphere
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : 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...
  1. The region of the atmosphere below 90 km has a nearly constant mean molecular mass, and is therefore called the homosphere.

    90公里以下區域,具有一個接近恆定的平分子質量,因此稱為層。
  2. It has been shown that when the partially coherent beams propagate in the atmosphere, it may be less affected by turbulence than are fully coherent ones. moreover in laser fusion a highly coherent beam is transformed into a partially coherent beam, for reducing the speckle and for getting more smooth focused spot

    例如,部分相干光在中傳輸時所受騷動的影響要比完全相干光小得多;並且部分相干光束具有光強比較,對散斑低靈敏等優點而被應用於激光核聚變等領域。
  3. The major function of having precious metals coated with carriers is that it can provide with larger touchable square measure. therefore, it can provide the largest surface square measure and held - up time. equilibrium tight intensity can provide gas with good mixable degree and even step - down in order not to cause slanting flow

    將貴金屬披覆于擔體上,主要功能為提供較的接觸面積,因此可提供最的表面積及滯留時間,衡的緊密度可提供體好的混合程度及的壓降,不致造成偏流。
  4. Before visualization, analyzes the acquirement of infrared nephogram of satellite and its character, and then presents the theory of 3d - visulazation of cloud. 2. modeling of the surface of demct

    闡述了雲圖三維表現原理,並依據探測學原理,分析了雲團的局部濃厚性、整體不性和過渡平滑性宏觀特徵。
  5. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈,尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對流分佈的影響.模擬結果表明,在支柱空腔內加設水平導流板改變了原有迴旋流場,使迴旋流變成面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣流,這恰好與加設豎直導流板的作用相反,水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的分佈
  6. The anomalous non - uniform heating induces anomalous cyclonic vorticity in south china, areas to the south of the yangtse and its mid - lower valleys, but anomalous anticyclonic vorticity in the indo - china peninsula and south china sea areas lead to the more southward position of wpsh than the mean

    這種異常的非加熱狀況導致我國華南、江南、長江中下游地區呈現異常旋性渦度製造,而中南半島部和南海地區為異常反旋性渦度製造,使得1998年6月副高位置異常偏南。
  7. Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air

    經過本文研究發現,利用cfd技術可以有效地對空調室內流組織設計進行指導,全面對室內空品質和通風效果進行評價。熱源分佈對于空調室內的流組織具有極其重的影響。在變風量條件下,利用具有良好貼附效應的送風口如方型散流器和條縫風口送風,空調室內的溫度場和速度場較,室內的熱環境良好。
  8. In the end, the mechanism of explosive accidents of lpg vessel under high temperature is analyzed. the major inducements of lpg vessel under high temperature are as follows : 1 ) sudden falling of pressure on valve opening ; 2 ) material strength falling of vessel wall, which is caused by high temperature of vessel wall ; 3 ) thermal stress that is caused by non - uniform temperature of vessel wall

    武漢理工學碩士學位論文? ?論文最後分析了高溫環境下液化容器爆炸的事故機理,即高溫環境下液化容器爆炸的主要誘因為: 1 )閥門打開時的壓力驟降; 2 )容器壁溫度過高,導致容器壁的材料強度降低; 3 )容器壁的溫度不引起的熱應力。
  9. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構;小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為,小波包分解提取能量特徵值的方法能夠揭示固的多尺度特性,不同尺度上的能量特徵值四川學碩十論文反映了固循環流化系統中存在的非動態時空結構。
  10. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數具有較低值;純聚四氟乙烯樹脂在空冷卻時結晶度最,磨損量也是三者中最的;同時,固體潤滑劑試樣在空冷卻時的磨損量也是三者中最的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  11. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    ( 3 )通過對空介質中簡易地下滴灌的微孔毛管試驗研究發現: 60m管長的毛管平壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方;部分水頭損失發生在毛管的前半部分;壓力度隨孔徑的增而減小,但與初始工作水頭關系不密切;在1 . 5m以下的工作壓力下運行,沿程出流度隨孔徑的增而降低,當孔徑不於1 . 0mm時,灌水度可以達到60以上;當孔徑於等於1 . 2mm時,灌水度低於50 。
  12. Research and implementation of curved ray tracing for inhomogeneous atmospheres

    曲光線追蹤在非均勻大氣現象模擬中的研究與實現
  13. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性,則為合理的微蜂窩無線網路規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類:一是用沖激響應法,即根據實驗、統計所得數據建立經驗性傳播預測模型;另一種是用射線跟蹤方法,即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型,並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  14. Accordingly ray tracing model for microcells propagation prediction has become an important subject. this paper discussed the characteristic of propagation in symmetrical atmosphere on the earth, and introduced several kinds of traditional path loss propagation model in land mobile communication system, also pointed out the localization of these models based on experiential methods

    本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型,並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  15. In the new dryer, the air guiding device with an orderly increased air guiding radius was introduced to improve the uniformity of airflow distributed in bed ; a three - blade device was installed to get a good pulse - fluidizing effect ; an vibrating device and a conducting device were additionally set up to make materials flow fluent and to overcome " reverse flow " respectively

    它採用導流半徑依次增的導流裝置,改善了流在床層內分配的性;採用三葉片式脈動裝置,改善了脈動效果;增設了振動裝置,使物料輸送流暢;增設了導料裝置,從根本上解決了物料的「反流」問題。
  16. The cobalt can also be strengthened by the difference of the hot expansion coefficient between cobalt and ceramic

    保護試樣表而各元素分佈很不,晶粒小相差很,有較多的異常長相。
  17. The porous ceramics is composed of lots of bridge arch - shaped microspores that connected and well - distributed inside the material. when the fluid passes through these pores, the suspended matters, colloid particles and big molecular organic substances are withheld or absorbed to the inner surface of the pore, and result in filtration, purification adn even - dispersion, high strength, good resistance to abrasion, high temperature and corrosion, no pollution, long workinglife, and easy to regenerate, the porous ceramics are available for filtration and fluidization of variou gas and liquid

    微孔陶瓷過濾介質由許多小分佈,相互連通的橋拱狀開口孔組成.當流體從這些孔中通過時,流體中的懸浮物質,膠體顆粒,分子有機物等被截留,吸附在微孔道內,從而達到了凈化和過濾化的效果.微孔陶瓷強度高,耐磨損,耐高溫,耐腐蝕,無污染,孔分佈,使用壽命長且再生簡便,特別適用於各種,液過濾和流態化過程
  18. It is demonstrated that the use of the perforated plate affords a high level of gas holdup, especially at higher superficial gas velocities, and nearly uniform distributions of the solid within the column

    結果表明,多孔板分佈器加入后淤漿床內的含率較高,這種差異在較表觀速下尤為明顯,同時床內的流動變得
  19. In the thesis, most advanced, relative, foreign high - tech has been pursued. feasibility analysis has n ' t been carried out by synthesizing much relative knowledge such as electromagnetism theory, plasma technology, aerodynamics, electronic technology etc until the scheme is confirmed, that is, a uniform, one atmosphere, controllable, glow - charge surface plasma can be generated and flow can be accelerated by changing electric field

    本文追蹤目前國外最先進的技術,綜合電磁理論、等離子體技術、空動力學、電子技術等相關知識進行可行性分析,確定了研究方案,即利用電流體力學( ehd )方法在一個壓下產生高效、、可控的射頻輝光等離子體,同時,通過改變電場促使流動加速。
  20. Rich in natural color, cooked concentrated charming white jade alone evenly distributed them, and finish the subtle green jade white material alone mutual lining video, it becomes all the more attractive atmosphere

    色彩豐富自然,熟濃迷人的白色獨玉地分佈其中,與光潔細膩的綠白料獨玉相互襯映,更顯得精美
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