相干體積 的英文怎麼說

中文拼音 [xiānggān]
相干體積 英文
volume of coherence
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
  • : 體構詞成分。
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 相干 : 1 (多用於否定句或疑問句) have to do with; be concerned with 2 [物理學] coherent; 相干散射 coher...
  1. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子涉效應( cqi ) ,並且測得涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子系中碰撞量子涉的理論模型.理論上推導出微分涉角具表達式,通過計算定性地討論了微分涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  2. According to the regional geology and the character of the lithofacies and well - logging facies, 4 kinds of sedimentary facies and 3 kinds of depositional system : marine system, delta system and fluvial system have been identified. the sedimentary facies of taiyuan formation is marine faceis, up to sanxi formation, the sedimentary facies is delta facies, the xiashihezi formation hel and he2 member are braided river facies, he3 member is meandering river facies. the mains types of sandstone of taiyuan formation are lithic quartzarenite and quartzarenite ; the mainly types of sandstone of sanxi formation and xiashihezi formation is litharenite

    通過對20餘口井2000多米巖心的觀察和對40幾口井的測井數據解釋、對比,在研究區目的層段識別出了12種基本巖和9種測井類型,在區域沉背景和單井劃分的基礎上,根據巖和測井組合特徵,在太原組?下石盒子組劃分出4種沉和若,並進一步劃分為3類沉系:濱淺海沉系、三角洲沉系和河流沉系。
  3. Abstract : the restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    文摘:本文對兩期遙感圖像進行解譯,並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息,經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小,整生態環境較1985年有所改善.在緩沖區1 , 2 , 3除中齡針葉林大幅度增加外,其它地物類型面均減少,由此可以看出,在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林生態系統的穩定與功能的發揮,十五年間緩沖區4受到的對較小.濕地數量在四個緩沖區內均有所減少,雖然在緩沖區4內森林生態系統恢復的較好,但濕地面仍有所減少,說明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12
  4. The restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    本文對兩期遙感圖像進行解譯,並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息,經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小,整生態環境較1985年有所改善.在緩沖區1 , 2 , 3除中齡針葉林大幅度增加外,其它地物類型面均減少,由此可以看出,在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林生態系統的穩定與功能的發揮,十五年間緩沖區4受到的對較小.濕地數量在四個緩沖區內均有所減少,雖然在緩沖區4內森林生態系統恢復的較好,但濕地面仍有所減少,說明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12
  5. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長時間的累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛的編隊目標對位置固定,運動方式一致,可以近似看作一個大目標,採用最小墑準則對平動位的進行補償,但是大多數並不滿足剛近似的編隊目標,由於目標在累時間的多普勒頻率近似呈線性變化,通過對較短數據利用relax的時頻分析方法,提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向累時間,所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨,對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  6. There existed very significant correlations between drought tolerance and relative values of root dry weight, total root length, and root volume ( per plant dry weight basis ), respectively, which could be used as root indicators of drought tolerance

    比根重、比總根長、比根與耐旱隸屬函數平均值均呈極顯著正關,可作為耐旱性的根系性狀指標。
  7. The study on salc includes : 1 ) the study on the harmonization between aeration rate and melts thickly rate ; 2 ) the study and application of the new multi - function composite additive ( nmca ) ; 3 ) the study on the durability of salc ; 4 ) the designation of the structure of new multi - functional unbearing compound wall and fast equipment mold, etc. the results show : the additive can improve the harmonization of the workability and mechanics characteristic of salc to a certain extent ; improve the volume stability of salc under different environment by enhancing the resistance to the freeze and thaw, dry and wet circle and drying shrinkage

    在salc的研究方面,主要包括發氣速度和稠化速度的協調性研究、新型多功能復合外加劑的研製、耐久性能的研究以及新型多功能非承重復合墻結構及其澆注成型的快速組裝模具設計等內容;結果表明:科學合理的引入輔助外加劑在一定程度上使salc材料的工作性及應物理力學性能得以最佳匹配,增強了salc材料對凍融循環、濕循環及乾燥收縮的抵抗能力,使salc在不同的環境下均具有較好的穩定性。
  8. With the widespread and profound impacts of global change on the natural elements and progress, the society and economy, and even the human activities, the study of global change has become one of the most active frontiers in the current earth science research field. especially, climatic and environmental changes of holocene and human history is a very important time scale of the study of global change. however, the geographic surroundings and the natural environment of the southern margin of tarim basin, which lies in the hinterland of eurasia continent, are so special that it is difficult to obtain the proxies indicating its environmental evolution

    在多年來前人研究成果的基礎上,本文通過尼雅剖面年代解析度可達10a的沉物質量磁化率、碳酸鹽碳同位素、粒度等氣候替代性指標及約特剖面的地球化學元素、孢粉等氣候指標信息的結果分析,並結合達木溝、塔格勒等剖面的成果及關資料,得出以下結論: ( 1 ) 、南疆塔里木盆地南緣中全新世6 . 7 3 . 0kab . p .以氣候溫暖偏乾的荒漠環境為總特徵。
  9. ( 2 ) the analysis by characteristic section planes can draw that the ancient climate in deposit period of the characteristic section plane one sediments ( about seventeen thousand years before present ) is warm - dry and has relative humid and dry evolution rule, from fifteen to thirty years as its evolution period, that the ancient climate in deposit period of the characteristic section plane two sediments ( about fourteen thousand years before present ) is humid and has relative alternate very humid and humid evolution rule, from two to fourteen years as its evolution rule

    ( 2 )通過對兩個典型剖面的綜合分析得出,典型剖面沉物沉時期(距今約17kab . p . )的古氣候特徵總上為暖,並具有以15 30年為演化周期,對的濕潤-乾燥-濕潤的演變規律。典型剖面沉物沉時期(距今約14kab . p . )的古氣候總特徵為濕潤,並具有以2 14年為演變周期,對的很濕潤-濕潤交替的演化規律。
  10. The coefficients of friction reduced 24 %, 5. 0 %, 10 % than these of ti6a14v under dry sliding and lubrication of hank ' s solution and 0. 9 % nacl solution respectively, and its wear rate were about half of that of t16a14v under the same condition

    摩擦、 hank ' s溶液和生理鹽水潤滑條件下,摩擦系數分別降低24 、 5 . 0和10 ,磨損率約為同條件下ti6a14v合金磨損率的50 。
  11. As an operation process, the three steps of implementation are defined as confirming the participants, establishing the macro governance, and establishing the micro management

    在移民管理的作用下,原本互不的各行動主被整合成一個有機整極協調地工作,實現預定目標。
  12. The features of fire flame and other disturbing phenomena such as area variety, shape variety, edge variety, flame flicker frequency and the whole motion trend have been detailed studied in this dissertation. and the corresponding recognition algorithms have been given

    本文詳細地分析了火災火焰和其它一些擾現象的面變化規律、形變化規律、邊緣變化規律、閃爍頻率規律和整移動趨勢,並且針對于每一種規律都提出應的圖像識別演算法。
  13. To implement effective jamming on the modem coherent radar, this paper proposes one smart noise jamming realization scheme based on convolution modulation

    摘要為了對現代新參雷達實施有效的擾,提出了一種基於卷調制的靈巧噪聲擾技術實現方案。
  14. Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum. then the wavefront and the line integral density are recovered by using fft or polynomial fitting method. lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion

    首先對涉圖進行頻譜濾波,用頻譜移頻法從涉圖中提取位,然後用快速傅立葉變換或多項式擬合實現波面重建,計算線分密度,再利用abel分變換從線分密度的擬合曲線中反演徑向密度分佈。
  15. Analyzing the characters, the thesis believes that the post cold - war international interference coincide with the characters as disaggregation of the bipolar pattern, strengthening of the situation of mutual dependence, cooperation of the entire world and the correspondence of the powers. it contains more rational elements and plays a positive role, but its negative elements abound because of the hegemony and power politics

    在分析特徵的同時,筆者認為,冷戰后的國際預與兩極格局解互依存態勢增強、整個世界出現合作與大國協調特徵一致,所蘊含的理性因素大大增加,發揮了極作用,但由於霸權主義、強權政治的影響,其消極因素也大量存在。
  16. Optical fiber process tomography ( ofpt ) is a new technology in the field of optical fiber sensor ( ofs ). the probe of ofpt is small, safe, free of electromagnetic interference and has high sensitivity in low - density medium case same as ofs, more important and different is that it can detect the medium distribution and contents of the cross - section to be investigated simultaneously, which makes ofpt show potential and extensive applications in petroleum, chemical, energy, medicine, food and sanitation fields to control product quality, realize safe production and reduce the cost

    光纖過程層析成像是光纖傳感領域的一門新型技術,具有光纖傳感器的測量低濃度物質解析度高、小、抗電磁擾以及可以進行分散式測量的共同優點和可以同時測量物質截面內部結構的獨特優點,在多流動廣泛存在的石油、化工、能源等工業部門和醫療、衛生、食品等領域具有廣泛的應用前景,對監控產品質量、降低成本以及保證生產安全具有非常重要的意義。
  17. The traditional wave control signal is been transmitted though cable which has many limitations, such as serious interference between cables, low reliability, short transmission distance, big volume and complicated routing

    傳統的波控信號採用電纜傳輸,存在電纜間擾嚴重、可靠性低、傳輸距離短、大、布線復雜等諸多缺陷,不能滿足新的系統性能要求。
  18. Abstract : some rules of example space and expounds some theorems are revealed. it explains that we figure out suitable of example sets if only explore a small quantity of item of example sets, thereby, it avoids to scan to scan every example, and only save a small quantity of item not huge example stes

    文摘:揭示了例子空間中存在的一些規律,並歸結為若定理,表明了只要考察少量的覆蓋任一示例集的項便可計算出與該示例集關的評價矩陣,從而避免了對逐個示例的掃描,而且在演算法的實現上只需保存對少量的項而不是龐大的示例集
  19. Thus the brain and body, once thought to be separate from each other, have been shown to have an intricate, balanced connection, wherein each continuously affects the other such that, a healthy physical existence depends on a healthy and positive approach to life

    因此,曾經被認為各司其職,互不的大腦與身,如今已經證實兩者之間的關系不但錯綜復雜具有協調性,而且不斷地互影響。由此可知,想要擁有健康的身,就必須具備健康極的生活態度。
  20. Compared with other kinds of motors, electric motors are quiet, smooth running, small, clean and easily controlled

    與其他種類發動機比,電機噪音小、運轉平穩、小、凈並且容易控制。
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