空間密度分佈 的英文怎麼說

中文拼音 [kōngjiānfēn]
空間密度分佈 英文
spatial density distribution
  • : 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...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 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
  • 空間 : space; enclosure; room; blank; interspace
  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

    巖溶介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水不均、地表地下水關系切、水源易漏失,偏堿性環境、生物資源集聚程低,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. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數,在給定兩種球狀星團系統的初始質量譜(冪律的和對數高斯的)和兩種球狀星團系統的初始速函數(愛丁頓速函數和常數的速彌散)條件下,我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  3. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰極真微電子三極體的不同特點,別建立了物理和數學模型,在考慮電荷影響的前提下,以有限元法為基礎採用迭代的方法計算出真微電子三極體內的電勢情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參數的變化情況。
  4. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的格局進行測定,而格局有可能受樣方大小的影響,且析過程中沒有涉及聚塊差的問題,因而無法掌握種群的聚塊大小差別及聚塊內個體的離散程.本研究採用無樣方距離法,測定不同生境的格氏栲種群格局,析格氏栲種群格局的強和紋理.強以聚塊和隙的差來定義,紋理則是體現聚塊內個體的離散程與諸聚塊離程.測定結果表明,格氏栲種群格局強從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集指標測定相同樣地格氏栲種群格局的結果基本相符.因此,格氏栲格局類型及與格氏栲生物學特性及生境的關系
  5. In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured

    提出了克服同一種平板顯示屏由於各個顯示模塊(顯示象素)的色特性和中國科學院長春光學精機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色和亮不均的有效方法,解決了平板顯示屏的全屏幕亮、色一致化的問題,保證了高質量視頻圖像的顯示。
  6. The numerical computing methods of the equations involving the static electric - magnetic field, electronic motion in the static electric - magnetic field, and so on are detailed. the methods of the boundary disposal are introduced. the phenomenon of secondary electron emission has also been studied

    介紹了數值計算方法,包括靜電磁場的數值計算、在靜電靜磁場中電子運動軌跡的數值計算、電荷的數值計算和電位的數值計算;介紹了邊界處理方法。
  7. On the surface of msta, there exists true dipole mode in the indian ocean, that ' s to say that if the temperature anomaly in the western indian ocean is positive, it is much likely that there is negative anomaly in the eastern indian ocean. dipole mode also exists in the pacific as that in the indian ocean. by virtue of the walker circulation and the similar circulation above the indian ocean, it is showed that the air - sea interaction events in the tropical pacific and the indian ocean develop with each other at the same time

    由於在次表層海溫距平極值面上,熱帶西、東印洋的海溫距平呈真正意義的偶極子模態,即當西印洋海溫距平為正(負)時,東印洋海溫距平為負(正) ,偶極子模態的海溫距平在熱帶太平洋同樣存在,兩大洋海溫距平的偶極子模態切的聯系,結合walker環流和印洋上的類似walker環流,進而指出熱帶印洋和太平洋海氣相互作用事件是協調發展的。
  8. The spatial complexity of the law of allometric growth and urban population density

    城市與異速生長定律的復雜性探討
  9. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明:當塵埃粒子的溫較低時,塵埃粒子主要集中在圓柱形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子電荷的影響,離子在該區域的最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫較高時,塵埃粒子的區域和高離子區域擴大,塵埃粒子離放電器中心越遠,攜帶的負電荷越多。
  10. We obtained holographic interferogram, from which we got the space distribution of plasma electron density by abel inversion

    由全息干涉條紋圖樣求解等離子體電子要用到abel變換。
  11. Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads

    關于預制裂紋系對巖石破裂的影響,集中討論了:障礙體構造不能阻止主裂紋的擴展,反而會使巖石的破裂強降低近一個量級;由於構造的不同,非穿透切口樣品和穿透切口樣品的聲發射特點有本質區別,穿透切口樣品的微破裂在切口兩端發育,而非穿透切口樣品的微破裂在切口兩端之切口前緣處發育,這用三維破裂理論可以很好地解釋;含共線構造的巖石,裂紋外端的聲發射與單裂紋構造中裂紋端部的聲發射相似,裂紋內端聲發射有,在應力達到一定水平時,內端部發生錯斷,而不是貫通。
  12. 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、源氣體流量比)的變化規律;探討了等離子體中各種基團的生成途徑;在不同源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基團狀態之的關聯。
  13. The results indicate that for the same pump intensity, the temperature and thermal stress distribution in the disk are not only related with the medium ' s geometry and the special distribution of pump intensity but also related with the fill factor of pump area

    結果表明,在相同的抽運功率下,激光介質中的溫和熱應力不僅與激光介質幾何構型及抽運光有關,還與抽運光斑在介質表面的填充因子切相關。
  14. Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work

    對應一定的初始我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量;動力學演化會明顯地改變球狀星團系統的空間密度分佈,靠近銀心區域的球狀星團瓦解得更多;經過動力學演化后的球狀星團速函數在靠近銀心的區域明顯得不同於初始,初始擁有較大軌道偏心率的球狀星團更容易瓦解。
  15. Besides, it was found that compared with cta +, the confined geometry improves the thermal stabilization of methylene chains about 20 in the case of the gallery height less than 9. 1 a and surfactant content less than 24. 7 wt %, while the onset temperature of degradation reduces about 25 at high gallery heights and surfactant loadings

    較小的受限可提高烷基鏈降解溫20 。隨著層和插層物含量增大,起始降解溫下降25 。有機蒙脫土的熱失重微曲線呈多峰,與層烷基鏈呈多層堆積有關。
  16. Abstract : by using the pulse - sequence model , the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied , i. e. , to find the initial input temporal pulse profile , spatial profile , spectral distribution and fluence from the required output temporal , spatial pulse profile , spectral distribution and fluence as well as the given amplifier parameters

    文摘:採用脈沖割模型,研究了寬頻帶激光脈沖放大的逆問題,即由所要求的輸出激光脈沖時波形、光譜和能量,並給定放大器參數情況下,求輸入激光脈沖時波形、、光譜
  17. The result of a discussion about the statistical distribution shows there are different distribution forms between the data errors and estimated parameters in non - linearity inversion. the precision of estimated bottom sound speed is well than the estimated bottom density. although there is a same data errors distribution in perturbative inversion, the distribution of each inverted eof coefficient is different

    統計誤差的討論結果顯示:在非線性反演方法中,數據誤差與參數誤差不相同,這種匹配方法估計的海底聲速的準確性好於對估計的準確性;在擾動反演演算法中,相同的數據誤差條件下,反演的eof各項系數誤差不同。
  18. Based on the measurement, statistic, and analysis of the classified load of typical zones in ningbi, the city ' s load density distribution rule is analyzed

    通過對寧波城市典型區塊類負荷實測、統計、析,進一步析寧波市電力負荷規律,以此為寧波市電網規劃與建設提供借鑒。
  19. The probability density distribution of the particle velocity fluctuation differs in different flow regions, and is approximately normally distributed where the space restrictions are small. velocity fluctuation of particles with different sizes is similar

    顆粒脈動速的概率隨流區有所差異;在影響較小的范圍接近正態;各種粒徑的顆粒脈動速具有相似的特性。
  20. Chapter4 from the macroscopically perspective, this chapter analyzes the spatial distribution of hangzhou ' fdi, investigates the divisional spatial density distribution of hangzhou ' fdi through three levels, and summarizes the respective traits

    第四章從宏觀角析杭州外資企業現狀三個層次對外資企業做了研究,並總結了各自特點。
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