理論氣象 的英文怎麼說

中文拼音 [lúnxiàng]
理論氣象 英文
theoretical meteorology
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • : 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...
  • 理論 : theory
  • 氣象 : 1. (大氣現象) meteorological phenomena2. (氣象學) meteorology3. (情景) atmosphere; scene
  1. Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process

    文在對研究區土地荒漠化現狀野外調研和不同時相( 1987tm 、 1996tm和2000ccd )遙感圖像土地荒漠化信息提取和演變分析的基礎上,結合研究區已有的多元信息基礎資料及研究成果(包括地質、地、多時期的水文、經濟、人文以及dem數據等) ,運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系,揭示了研究區土地荒漠化的主要驅動因素,探討了荒漠化動態演化規律。
  2. Having combined external ballistics with gunnery and proceeded from the practical needs of the field artillery, the influence to the firing accuracy by artillery metro report and the improved measures have been studied and analyzed in this essay, thus having obtained a series of valuable and pragmatic conclusions which mean a lot in practical application

    文結合外彈道學和炮兵射擊學,從地面炮兵的實際需要出發,具體研究了地面炮兵通報對射擊精度的影響及改進措施,提出了建立我軍地面炮兵專用層權及通用層權的方法及改進計算機通報的措施,得出了一系列具有一定實用價值與相當指導意義的結
  3. Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments

    在充壓力為0 . 9mpa的條件下,該熱聲發動機最大壓比可達1 . 21 ,遠高於駐波型熱聲發動機,實驗結果和分析均表明系統的工作頻率為25hz左右,實驗裝置的諧波比例非常小,且也沒發現頻率跳變等現
  4. Secondly meteorologic datum assimilation history and major ways are introduced. especially four - dimensional variational assimilation is emphasized

    接著介紹了資料同化的發展歷史及主要方法,並重點強調了四維變分同化
  5. At the same time, combining the electrostatic measurement principle and the actual working conditions of pneumatic pipelines, the author puts forward the design principle in theory and finishes the devising, executing, debugging, experimenting and analyzing the experiment phenomena and results, testing the feasibility of the electrostatic sensor to be used in the measurement on the mass flow rate of the coal paniculate. furthermore, with the debugging and experimenting of the system, the author improves the electrostatic sensor and its signal collecting system gradually according to the problems, and makes the performance of the system to be enhanced remarkably

    同時,作者結合靜電測量原以及力輸送管道的實際工況,從上提出了靜電傳感器的設計依據,完成了靜電傳感器及其信號採集系統的設計、製作、安裝、調試和實驗,分析了實驗現和結果,驗證了靜電傳感器用於煤粉質量流量測量的可行性,並且通過系統調試和實驗,針對發現的問題對靜電傳感器及其信號採集系統不斷地進行了改進,使其性能有了顯著地提高。
  6. The theory of seea is based on the insulator ' s surface emitted secondary electrons when bombarded by electron, includes the process of electron - simulated desorption ( esd ), the process of desorption gas ionization and the process of the ion influencing the flashover

    Seea以絕緣子表面在電子轟擊下發射二次電子為基礎,包含了電子誘發脫附( esd ) ,和脫附體離子化並對閃絡過程產生影響等過程,對表面閃絡現進行了解釋。
  7. The integrated dci could completely indicate the outdoor climate characteristics and can be used to choice the different passive design strategies. taking advantage of the author proposed bbdc and the updated weather data for 18 cities that have both typical climate characteristics and economic geography meanings, analyzes roundly each city ' s climate and proposes appropriate passive design strategies. suggests rules of passive design guidelines, which include solar heating, natural ventilation, nocturnal ventilation and evaporative cooling system and shade

    西安建築科技大學博士學位文利用作者建立的候分析圖和數據統計結果,選擇我國自然劃明裡區域內有人黃昏候特徵和重要經濟地位置的城市(共18個) ,在分析各城市候特點的基礎上,提出了以創造室內熱舒適為目的建築候設計指導原則和適宜的被動式設計技術措施,主要包括太陽g里同援、夏季自然通風和建築蓄熱降溫、蒸發冷卻和遮陽。
  8. Carbon monoxide ( co ) is used as a research example. based on the theory and experimental approaches of optical fiber infrared absorption sensing, mathematical model and system design for optical fiber on - line gas measurement are presented

    本文選擇一氧化碳( co )作為被測對,詳細研究了基於近紅外吸收的光纖傳感的和實驗方法,為體的光纖在線檢測提供完善的數學模型和設計系統。
  9. According to statistics parameters of the typical clouds over xi ' an region and cloud data obtained from the global distribution of cloud cover under the auspices of world meteorological organization, for xi ' an region typical cloud, the parameters of khragian - mazin cloud drop size distribution are obtained. based on xi ' an cloud water content profile, on earth - space paths, attenuation due to cloud are calculated by means of the k - m distribution. it is shown that the attenuation induced by cloud are taken into account at ka - at elevation angle smaller than 30 and v - band paths

    第三,根據西安地區觀測數據,討了西安典型雲的宏觀和微觀物特性;根據西安典型雲的觀測結果和世界組織提供的數據,得到西安典型雲的k - m雲滴譜參數;並根據西安地區雲的液水含量,計算了地一空路徑上雲的衰減,結果表明,在v波段和仰角小於30度的ka波段路徑,雲的衰減需加以考慮。
  10. By compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated

    當處于液界面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維界面生長尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析
  11. Abstract : by compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated

    文摘:當處于液界面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維界面生長尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析
  12. In the present dissertation, some properties of sodium tellurite glasses, including density, chemical durability, stability against crystallization and fragility of glass forming liquid are studied. the melting, evaporation and solidification of sodium tellurite glasses in low gravity during drop shaft experiments are observed. except this, the phase - separation of lead borate glasses under different gravity condition is also studied

    本文亞碲酸鈉玻璃作為研究對,系統探索了亞碲酸鈉玻璃的熔化條件,化學穩定性,玻璃抗析晶能力以及玻璃形成液體的脆性等問題,著重研究了na _ 2o - teo _ 2玻璃在落塔實驗中的熔化和化以及pbo - b _ 2o _ 3玻璃在落塔實驗中的分相,為解釋玻璃在不同重力條件下的熔化和分相等現提供了依據。
  13. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對,對該地區多年降水資料、蒸發資料、徑流資料、水文資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本出發,結合沙區的、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。
  14. The experimental realization of bec in dilute alkali atom gases makes it possible that the results of theoretical and experimental studies can be compared rigorously

    稀薄堿金屬原子體的bec的實驗實現使得此類現的研究擺脫了與實驗結果不能精確比較的局面。
  15. The quality of sand incipience involved with many kinds of parameters, such as incipient velocity, incipient angle etc. our research depends on the advantage of cross - knowledge and makes a research on this subject by gas - solid hydromechanics theory and ptv measure technology

    文發揮交叉學科的優勢,採用固兩相流體力學和ptv測量技術研究這一現,從新的角度認識沙粒起動和風沙流結構,為風沙流動的研究打開了新的思路。
  16. Upon existent theoretical and experimental results and based on a great of laboratory investigations carried out in chongqing university, for the first time this paper studies systematically the insulators dc discharge performance and flashover mechanism of iced insulators in the complex atmospheric environment, which will contribute to the understanding of flashover phenomena observed on ice surface at low air pressure and provide the test and theoretical reference for hv and ehv transmission lines design and safety service

    為此,在國內外現有工作的基礎上,通過大量的試驗研究,本文主要研究了復雜環境中絕緣子的直流閃絡特性及閃絡機。其結果有助於進一步了解低壓下覆冰絕緣子的閃絡現,並可為輸電線路的設計和安全運行提供依據。
  17. With the basic theory of air buffer, aiming to the key segment for modeling - flow equation and gas buffering process, theoretical analysis with experimental data is helpful to realize the modeling and simulation research. 3

    介紹了動緩沖的基本,通過機分析建立了被研究對的數學模型,針對建立精確數學模型的關鍵環節? ?流量方程和動緩沖過程,提出機分析與實驗建模相結合的建模方法,並進行了模擬和實驗研究; 3
  18. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝合建式活性污泥工藝的污水處過程為研究對,在闡述了曝過程式控制制參數選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為控制變量,以曝池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝過程的基本狀態方程;運用現代控制的觀點和污水處,在現有關于污水處最優控制問題研究的基礎上,建立了有約束條件多變量能耗最小數學模型,該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件,曝過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元,應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解,並進行模擬實驗驗證。
  19. These characteristics and phenomenons have effect on the quality of gear pump, and it is difficult relatively to research them by theory. at present the research is limited to the phase of examination testing. theoretic research of the characteristics and the phenomenons of polymer gear pump are blank in china when the gear pump feeds the viscous polymer liquid of chemical flow with high temperature and high pressure

    齒輪泵除具有流量和容積效率、扭矩和機械效率、功率和總效率等基本特性外,還存在著困油、噪聲和穴等現,這些特性和現直接影響齒輪泵的質量,對斜齒齒輪泵的這些特性和現研究難度較大,目前大多仍局限於實驗測試研究階段,而聚合物齒輪泵在輸送化工流程中的高溫、高壓的粘流態聚合物時特性的研究在國內基本還處于空白。
  20. This paper, on the basis of the theory of aeroelasticity, analysed the galloping phenomenon which the cord was undergone the excitation of the horizontal wind. and also built up the mechanic model when galloping. this model provided the theoretical foundation for the case that the cord begins violently vibrating just after the speed of the horizontal wind reaches a certain level

    動彈性力學為基礎,分析了懸索在受到水平方向橫風激勵時的馳振現,並建立了其發生馳振時的力學模型,該模型為懸索在橫風速度達到一定數值時發生激烈的振動提供了依據。
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