源密度分佈 的英文怎麼說

中文拼音 [yuánfēn]
源密度分佈 英文
source density distribution
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 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
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水空間不均、地表地下水關系切、水易漏失,偏堿性環境、生物資集聚程低,植被逆向演替快、順向演替難,巖溶地質與生態環境十脆弱,受到人為因素的影響和破壞,極易產生石漠化、土壤侵蝕與退化等一系列問題。
  2. The space distribution of pigment gland density on eleven places was analyzed by allotetraploid of ( g. arboreum g. bickii ) and varieties with pigment gland of g. hirsutum g. barbadense and the progeny population which is crossed by allotetraploid of ( g. arboreum g. bickii ) g. hirsutum and ( g. arboreum g. bickii ) g. barbadense

    摘要利用(亞洲棉比克氏棉)異四倍體和陸地棉、海島棉有色素腺體品種以及由(亞洲棉比克氏棉)異四倍體為母本,以陸地棉和海島棉有色素腺體品種為父本,組配成的雜交後代群體,對植株上十一個部位色素腺體在群體內的進行了初步析。
  3. From the aspect of area distribution, problem of water environment and factors of population, society and economy do n ' t coordinate with each other : in those areas which are rich in water, there are serious pollution and waste ; in those which are lack of water, economy is relatively behind the times ; in those where there is less lack of water, high population density faces the water resource with great potential pressure

    水環境問題與人口、社會、經濟等因素在地區上很不協調,如水資豐富地區,水污染與水浪費十嚴重;缺水地區,經濟相對落後;缺水程低的地區,人口較高,使水資存在巨大的潛在壓力。在影響水環境的相關因素中,人口因素的作用十突出,主要表現在兩個方面:一是地區人口數量與的集中程是決定水資壓力及相關水環境問題的真下因素;二是人口素質與水管理水平之間具有一定的正相關關系。
  4. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺環流背景析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文析之陜西強降水的發展與維持。大尺形勢析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱< q _ 1 >高值區在暴雨區附近呈東北-西南向,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱
  5. The control of the deep - seated structural - magmatic process over the metallogenic system around the middle - lower yangtze river reaches is shown as : ( 1 ) the mantle uplift belt is closely related to the general geological background of the metallogenic system ; ( 2 ) the primitive magma originated from different parts of the mantle uplift belt ( mantle ridge or mantle slope ) shows differences in style of formation and composition and results in different magmatic series and metallogenic subzones, respectively ; ( 3 ) the varying depths of structural - magmatic chambers may form a " three - layered structure " ( central type, network - like and ring - like ) and this is the primary factor that controls the different magmatic series and the concerned cluster of ore deposits ; ( 4 ) the alkaline basaltic magma derived from the mantle ridge forms high - potassium and calcium alkaline magma and shoshonitic magma due to its altering intensity of afc process with the lower crustal material, which has something to do with the copper - gold and iron - sulphur metallogenic subsystems, respectively

    深部構造巖漿作用對長江中下游成礦帶安徽沿江地區成礦系統的控製表現為: ( 1 )地幔隆起帶與成礦系統的總體地質背景的演變切相關; ( 2 )於地幔隆起帶不同部位(幔脊與幔坡)的原始巖漿,其生成方式和物質組成不盡相同,它們別產生相應的不同巖漿巖系列和成礦亞帶; ( 3 )不同深的構造巖漿房組成中心式網格式環帶式「三層結構」 ,是控制區內不同巖漿巖系列及有關礦床集中的主要因素; ( 4 )於地幔隆起帶脊部的堿性玄武巖漿,由於與下地殼物質發生的afc作用強不同,形成了高鉀鈣堿性巖漿和橄欖安粗巖漿,別與銅、金成礦亞系統和鐵、硫成礦亞系統有關。
  6. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的析了不同基團的相對隨宏觀放電條件(微波輸入功率、放電氣壓、氣體流量比)的變化規律;探討了等離子體中各種基團的生成途徑;在不同氣體流量比的條件下沉積了a - c : f薄膜並通過傅立葉變化紅外吸收光譜( ftir )的測量得到了薄膜中鍵結構的信息;析了a - c : f薄膜的沉積速率及其鍵結構與等離子體空間基團狀態之間的關聯。
  7. For any information source on a countable set, the limit properties of relative likelihood ratio and log - likelihood ratio of entropy with respect to the independent geometry distribution, an important problem in the information theory is discussed

    摘要對任意的可列集上的信息,探討資訊論的一個重要問題,即探討了相對于獨立型幾何的熵似然比與對數似然比的極限性質。
  8. By solving possion equation, the automotive generation of 3 - d body - fitted coordinates ( bfc ) grid system is completed with its density controlled by the distribulation functions p, q, r. 4. a detailed description of the solving mode

    用微方程法生成計算網格,採用泊松方程完成無堵塞泵的三維貼體網格的自動生成,通過構造波松方程項p 、 q 、 r函數控制網格的疏; 4
  9. The analysis result indicates that, kdp crystal mechanics characteristics, such as young ’ s modules, shear modules, rigidity and so on, have intense anisotropy, which is the reason of the scallop distribution of light and shade appearing on

    結果表明, kdp晶體材料的力學特性如彈性模量、剪切模量、硬等具有強烈的各向異性特徵,這種各向異性特徵是單晶脆性材料超精切削后產生明暗相間扇形的根,是影響加工表面質量的重要因素。
  10. The non - renewable resources is introduced into the production function, this paper formulated the optimum decision - making model of social planer, used the stochastic analysis method, analyzed optimum decision - making which the social planer about the expense and the non - renewable resources utilize under the indefinite condition, and obtained the optimum storage quantity of capital demonstration way and the density of stability distribution, and give the policy meaning of the model

    摘要將不可再生資引入生產函數構建了一個社會計劃者的最優決策模型,運用隨機析方法,析了不確定條件下社會計劃者關于消費和不可再生資利用的最優決策,得到了最優資本存量的顯示路徑及穩態,並給出了模型的政策含義。
  11. In winter ( january ), there are four nearly latitudinal moisture transport belts ( channel ) over asian - australian monsoon region. they are closely related with the easterlies and westerlies over southern hemisphere and northern hemisphere. in boreal winter, asian monsoon region is moisture source ; the cross equatorial moisture transport channels transport the moisture to australian monsoon and south indian ocean from asian monsoon region

    主要結論如下: ( 1 )冬季( 1月)的水汽輸送形勢與南北半球東、西風帶緊聯系,主要有四條近似緯向的垂直積的強水汽輸送帶,越赤道輸送將水汽從亞洲季風區輸送到南半球澳大利亞季風區和南印洋季風區,亞洲季風區為水汽區。
  12. According to heat load source of die cavity, temperature distribution gradient equations and heat flux equations and the peak value equations of temperature load at die cavity surface have been obtained with research of temperature distribution and transfer laws of die surface by unsteady heat transfer theory

    摘要根據鍛模型腔熱負荷來,通過非穩態傳熱理論,析研究了模具工作表面層的溫與傳遞規律,給出了型腔表面溫和熱流公式,並給出了鍛模型腔表面的溫負荷峰值的計算公式。
  13. The current trends of this field is to acquire the current density of dipole distribution rather than a few dipoles. based upon that, a new model was proposed - dipole layer localization method ( dllm ) : spherical dipole layer was used as source model, on which dipoles were distributed by equilateral triangles ; three concentric inhomogeneous sphere was used as head model, which contains scalp, skull and cortex with different conductance. the dipole distribution and scalp potential tomography were obtained with singular value decomposition ( svd )

    鑒于該領域的研究趨勢已從求取少數偶極子過渡到偶極子的獲得,本文提出了新的模型? ?偶極面定位方法( dipolelayerlocalizationmethod , dllm ) :以等邊三角形均勻的偶極子構成的偶極面(球面)作為模型;包括頭皮、顱骨和皮層的三層同心介質球作為頭顱模型,運用奇異值解來求解逆問題,從而獲得偶極子和頭皮電位,實現三維成像。
  14. Starting from the theory of two photoionization, we simplified the model of the ultraviolet light source, derived the equation for the spatial distributions of the initial electron density between the main electrodes, and then gave a simple method to homegenize the spatial distribution of the initial electron density between the main electrodes

    本文從光離化的雙光子吸收這一理論出發,簡化紫外光模型后,導出了主電極間初始電子的空間規律並給出了使其空間均勻化的簡單方法。
  15. Solving the elliptic grid generation together with an algebraic method marching along the normal - to - wall direction, viscous grids around complex geometries are generated. the inner - layer grids with the algebraic method is othogonality and easy to control the distance to the wall. according to the hilgenstock, the source items are calculated to control the othogonality and spacing of grid lines on boundaries

    法向外推方法生成的內層代數網格具有很好的正交性,可隨意控制網格至物面距離,確保邊界層內有足夠多且的網格;外層網格採用hilgenstock方法,根據網格線角和距離與期望值之間的誤差不斷進行項修正,實現網格對邊界正交性和距離的雙重控制,保證了網格的合理並具有較高的質量。
  16. The spd model is made by the ins titute of geographical sciences and natural resources research of chinese academy of sciences. it combines social economic factors, such as city and transportation foundational facilities, with nature factors, for example the digital elevation model ( dem ) and net primary productivity ( npp ) of plants to simulate the spatial distribution of population density of china by the advanced grid generation technology

    中國模擬人口模型是由中國科學院地理科學與資研究所首先提出的,這個模型試圖利用先進的格網生成技術,將城市、交通基礎設施等社會經濟因子和陸地數字高程( dem ) 、陸地植被凈第一性生產力( npp )等自然因子相結合,通過模型的反演,模擬某一時期的中國人口空間狀況。
  17. 2. it establishes the distance valve value model of interactions between different tourism regions, and concludes that distance being the crucial factor that decides the nature and degree of tourism spatial competition among regions. 3. it introduces a new concept concerning spatial competition - " tourism resource assembling shield ". then by comprehensive utilization of the following six kinds of analytic techniques - index r, index 3, index y. accessibility index, average directory length and intensity index, it makes a relatively comprehensive analysis and evaluation of the spatial distribu

    3 、提出「旅遊資集聚屏蔽」的空間競爭概念,並綜合運用最近鄰指數r 、 p指數、 y指數、通達指數、平均徑路長、緊指數6種析技術,對皖南旅遊資的空間形態以及空間網路結構的連接性、通達性等進行了較為全面的析和評價,指出旅遊資網路空間結構特徵影響旅遊區域空間競爭。
  18. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量裂演算法.通過計算可以得出、速、溫、壓力和馬赫數的.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定
  19. With numerical calculations, the influences of device structure, material parameters and operating conditions on the distributions of the equipotential line, current density, carrier concentration, optical field and temperature profiles have been investigated, and the interactions between the correlative characteristics have been studied at the same time

    通過對這些相互關聯的特性進行數值計算,析了器件結構、材料參數和工作條件等對等勢線、注入有區的電流、有區中的載流子濃、光場強以及溫的影響,並研究了這些特性之間的相互影響。
  20. The inversion results indicate the following phenomena : the lithosphere density beneath north china area is extremely inhomogeneous, which is the reflection of the feature of violent tectonic movement ; the density distribution is coherent with tectonic ; the density is different in different tectonic units ; there are low density regions in the crust ; the strong earthquakes in north china region mainly occur at this depth

    反演結果表明:華北地區巖石圈極不均勻,反映了區內強烈的構造活動特徵;層內與大地構造有明顯的相關性,不同的構造單元存在著差異,斷裂帶表現為異常梯級帶;殼內存在著低層,華北地區地震的震主要發生在這一深上,可能與之相關。
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