高空大氣學 的英文怎麼說
中文拼音 [gāokōngdàqìxué]
高空大氣學
英文
aeronomy- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 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...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 高空 : high altitude; upper air; welkin高空病 airsickness; altitude sickness; aeroembolism; hypobaropath...
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The mechanism of the downburst formation was also investigated based on the cloud microphysics of the simulated storm and it was found that this downburst was primarily produced by hail loading, and enhanced by hail melting and rain evaporation. and the loading and the melting of hail played a very important role in producing the downburst. the gale at the surface was caused by the severe downburst
從雲微物理學角度分析了此次局地性大風的形成原因,認為由高空冰雹粒子的拖曳產生的負浮力作用是促發強下沉氣流產生的主要原因,其次是冰雹的融化和雨水蒸發冷卻對下沉氣流起加速作用,冰雹的拖曳和融化作用對下沉氣流具有決定性的作用。To improve the precision of using gps remote sensing atmosphere precipitable water vapor, some scholars propose to set up a local model by taking advantage of local meteorologic data in the air, so as to improve the result of using universal model
摘要為進一步提高利用gps遙感大氣綜合水汽含量的精度,部分學者提出了利用當地探空氣象資料建立局部區域模型,以改善採用通用模型計算綜合水汽含量結果的觀點。Cross - section design of a controllable hypersonic inlet. the research is being done at the nanjing university of aeronautics and astronautics
南京航空航天大學正在進行一個可控高超音速進氣道斷面設計研究。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分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、徑向流速分佈及井壁壓強等;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,對豎井各部分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氣量估算方法,為導流洞排氣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,盡管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。Firstly, the three main harmful factors " characters and rules, theirs effect on civil house, demolishment criterion and control measure will be researched systemically. secondly, fuzzy mathematics, system arrangement analytical method and expert consultation method are put forward and discussed specially to set up civil house security fuzzy multi - arrangement elevation model, to evaluate blasting harmful factors " effect to neighborhood civil house ' s safety in the construction of express way, to predict the security of civil house and to bring forward control measures. lately, the forecast of the civil houses " safety by using bp neural net model and optimize of the blasting parameters will also be discussed in the dissertation
本文的主要研究工作有:系統地研究了爆破地震、爆破飛石、爆破空氣沖擊波三大有害因素的特徵及規律、對民房的影響、破壞判據和控制措施;提出並重點論述採用模糊數學和系統層次分析法及專家咨詢法建立民房安全性模糊多層次評價模型,對高速公路建設中爆破有害因素對鄰近民房安全進行評價,預測民房安全性,提出控制措施;利用bp神經網路模型對民房安全進行預測,並對爆破參數進行優化。The theoretic cycle capacity of limno2 is 286 mah g - 1, which has attracted a great deal of people to research. aim at the impurity of limno2 which was synthesized by the predecessor and the phase change during the electrochemical process, we try several methods, including wet moist chemical method, liquid state method, solide state method and liquid dipping method. at the same time, we study the synthesis of limnc > 2 in defferent atmosphere, for example air, argon and nitrogen
Limno _ 2具有286mah ? g ~ ( - 1 )的理論容量,這種高容量材料深受廣大研究者的關注,針對前人合成出的還有少量雜相和在電化學循環過程中出現相變四川人學碩l :學位論文的問題,我們嘗試了幾種合成方法:濕化學法、液相法、固相法和溶液浸漬法,並在不同氣氛:空氣、氮氣和氫氣中進行limnoz的合成研究。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氣固的多尺度特性,不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。Fluid experiment ; buff body aerodynamics ; wind engineering ; wind loading on buildings and structures ; modeling wind in an atmospheric boundary wind tunnel ; pedestrian - level wind environment ; wind effects on the efficiency of air - cooled condenser in a large power plant
實驗流體力學,鈍體空氣動力學,風工程, 、建築物和結構物的風荷載研究,大氣邊界層風洞模擬,行人高度風環境,大型電站空冷系統風效應風洞模擬。In this paper, the climatic variation features and spatial and temporal distribution of the flood and drought in zhejiang province were analyzed by using 36 monthly and seasonal station data during 1961 - 1999 observed over zhejiang province, 160 rainfall and temperature data during 1951 - 1999 observed over china, northern hemisphere 500mb height data during ! 961 - 1999, the planting and flood disasters area data in zhejiang province during 1949 - 1998. we used many method : calculated trend coefficient of rainfall and temperature, used eof, reof, ssa ( singular spectrum analysis ) and mem ( maximum entropy spectrum ) method and synoptic method. we first studied the climatic variation features of summer and autumn and characters of the flood and drought in zhejiang
本文用1961 - 1999年浙江省36個氣象觀測站的降水量和氣溫資料、 1951 - 1999年全國160站的降水量和氣溫資料、 1961 - 1999年500hpa月平均高度資料和1949 - 1999年浙江省11個地市的受災面積、成災面積、耕地面積等資料,通過計算趨勢系數、變量場eof分解、旋轉eof分解、奇異譜分析和最大熵譜分析等多種統計學方法和天氣學方法,研究了浙江省氣候變化特點及旱澇災害時空分佈的特徵。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、空氣動力學、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 )方法在一個大氣壓下產生高效、均勻、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。The aerated behaviours in cavitation region of high velocity flow through the non - circulating water tunnel are investigated by using the advanced experimental facilities in the hydraulics laboratory at zhejiang university of technology
摘要本文用先進的量測儀器在浙江工業大學水力學實驗室直流式水洞中分別對高速水流空化區、空蝕區的摻氣特性進行了較為系統的試驗研究。We are also happy to report that the meteorological chapter of the asia pacific regional plan for the new communications, navigation and surveillance air traffic management systems drafted by the observatory s h. g. wai, senior scientific officer, as the rapporteur of the meteorological working group has been accepted by the meeting. hko will continue to contribute in this area
此外,天文臺高級科學主任衛翰戈獲派擔任通訊導航及巡測空中交通管理cns atm系統下氣象工作小組的報告起草人,就全新cns atm系統亞太區計劃提交了氣象章節的擬稿,而該擬稿亦已獲大會接納。We are also happy to report that the meteorological chapter of the asiapacific regional plan for the new communications, navigation and surveillanceair traffic management systems drafted by the observatory s h. g. wai, senior scientific officer, as the rapporteur of the meteorological working group has been accepted by the meeting. hko will continue to contribute in this area
此外,天文臺高級科學主任衛翰戈獲派擔任通訊、導航及巡測空中交通管理( cnsatm )系統下氣象工作小組的報告起草人,就全新cnsatm系統亞太區計劃提交了氣象章節的擬稿,而該擬稿亦已獲大會接納。We have the following results through simulation and experiments : i ) turbulent structure constant of atmosphere decreases with altitude ; ii ) turbulence induced power scintillation decreases with the optical wavelength ; iii ) scintillation of space - to - ground optical propagation is smaller than that of horizontal optical propagation ; iv ) power scintillation of space - to - ground optical propagation increases with wavelength ; results above are accord with existent theory. what ' s more, the last result discovers a new rule
通過對數學模型和模擬結果的分析,得到以下結論: a )大氣湍流結構常數隨海拔高度的增加而迅速減小; b )由湍流引起的光功率閃爍與波長呈反比; c )空-地激光通信的光功率閃爍小於地面水平傳輸的閃爍; d )空-地激光通信的光功率閃爍與波長呈正比;上述結果與理論保持一致。Research center focusing on ecosystem science technology, atmospheric physics and chemistry, and airborne sensors
-從事高空大氣海洋地球內部物理學的基礎研究和應用。Air cannon ' s diverse clientele includes professional and amateur sporting and racing teams, radio stations from across the globe, professional musicians and entertainers, high schools and colleges and marketing and promotions companies
空氣炮公司的客戶多種多樣,包括職業和業余運動比賽隊、來自世界各地的廣播站、專業音樂家和演藝人員、高中、大學以及營銷和促銷公司。Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing
該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點,發現在一定傾斜角度的觀測下,視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率,所以稱該方法為最佳組分面積比法,用最佳組分面積比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度,經過地面和遙感數據驗證表明,用該方法計算的通量精度高於普通的單層模型。Zone ( o3 ) is a light blue gas with smell if fresh grass in normal temperature. a thin layer if ozone exists in upper aterosphere above 20 - 30kms from the ground. it can absorb harmful rays in the sunlight and protect the earth creature from being injured
臭氧俗稱活氧,在常溫下是一種具有草鮮味的淡藍色氣體,在距離地面20 - 30公里高空,中分佈薄薄的臭氧層,吸收陽光中有害光線,保護地球上生物的生命安全,科學家們對臭氧進行了大量研究。The company has taken the sciences and technology as the forerunner, with its advanced structural design, in combination with the new - type colored steel enclosing and shielding material plate type and the scientific and strict quality control, to create the large - span and highly spacious new type of architecture of the modern breath
公司以科技為先導,以其先進的結構設計,配合新型彩鋼圍護材料板型及科學嚴格的質理管理,為客戶營造大跨度,高空間及富有現代氣息的新型建築。The southern oxidants study ( sos ) is a strategic alliance of research scientists, engineers, and air quality managers from universities, federal and state governments, industry, and public interest groups
描述:南部地區氧化物研究是一個戰略聯盟,其中有科學家,工程師,大學里的空氣質量管理人員,聯邦政府,企業和社會組織等,共同研究空氣中的氧化物,如臭氧等,共同提高大氣質量。分享友人