z distribution 中文意思是什麼

z distribution 解釋
z分佈
  • z : n （pl Z s z s ）1 英語字母表第二十六個字母。2 【數學】第三個未知數；（中世紀羅馬數字的）2000。3 ...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. With colourless nail polish, study on the stomatic distribution of outer epidermis in the young stem, aged stem and aged leaf sheath, and adaxial and abxial leaf epidermis of young and aged leaves in s. purpurea, z. pendula and c. communis was conducted

    用無色指甲油印痕法對鴨跖草科的紫竹梅、吊竹梅和鴨跖草的幼莖、成熟莖、成熟葉鞘的外表皮和幼葉、成熟葉和上、下表皮的氣孔分佈進行觀察。
  2. With colourless nail polish, study on the stomatic distribution of outer epidermis in the young stem, aged stem and aged leaf sheath, and adaxial and abxial leaf epidermis of young and aged leaves in s. purpurea, z. pendula and c communis was conducted

    摘要用無色指甲油印痕法對鴨?草科的紫竹梅、吊竹梅和鴨?草的幼莖、成熟莖、成熟葉鞘的外表皮和幼葉、成熟葉和上、下表皮的氣孔分佈進行觀察。
  3. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    提出了將譜分析與抗差估計相結合的抗差譜分析方法，並用該方法分析了地心運動時間序列的主要周期特性；為合理地確定地心運動參數，詳細研究與分析了一種新的定權方法對求解地心運動參數的作用，該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性；為了明確地心運動導致的高程基準的變化，分析了地心運動對地面點的水平分量和垂直分量的影響規律。
  4. The keys to the families, genera and species of hepaticae and anthocerotae in hebei are worked out, and the dissected graphs are pictured. moreover, the chinese name, science name, major reference literatures, collect locations, collector and number of specimen, as well as geographical elements and distribution of every species are narrated explicitly. in the hepaticae - flora of hebei, grimaldiaceae, porellaceae and frullaniuccae arc regarded as dominant, showing obvious temperate - zone character and distinct torrid - zone nature, raising the tropic origion theory of china botany - flora which brought forward by professor z. y. wu

    同時，根據標本和資料編制了河北省苔類植物科、屬、種檢索表，詳細記述了每種的中文名、學名、主要參考文獻考證、標本採集地、採集人和標本號，在河北省和中國各省區及世界范圍的地理分佈等，描述了每一種與其相近似種的主要區別點和識別特徵，並根據標本和文獻對其中54種做了顯微繪圖。
  5. Based on rain drop size distribution ( dsd ) data measured in qingdao, guangzhou and xinxiang, the radar reflectivity factor z for spherical rain drops, the radar reflectivity factor zh and differential reflectivity zdr for oblate ellipsoid rain drops have been calculated. the relation of reflectivity and rainfall rate for conventional meteorological radar and the relation of reflectivity, differential reflectivity and rainfall rate for multiparameter radar are regressed, the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed

    基於我國青島、廣州和新鄉地區雨滴尺寸分佈數據，計算了球形雨滴雷達反射因子，橢球形雨滴雷達水平極化反射因子和差分反射率，回歸給出了這些地區的常規氣象雷達反射因子與降雨率的經驗關系和多參數雷達水下極化雷達反射因子、差分反射率和降雨率關系，並對其測雨精度和地區差異進行了比較。
  6. D ) the invasion of jinningian - chengjiangian alkali basite were unambiguous, the distribution of those rocks form " z " in shape, which similar with luoyin fracture zone and the distribution of copper deposit. it shows that copper deposits were controlled by discordogenic fault and its derived sub - structure, and there are relationship between copper deposit and jinningian - chengjiangian alkali basite. e ) most of minerogenetic age of copper deposit, which located in kunyang rift valley, belongs to jinningian - chengjiangian ( between 900 - 650ma ), similar with the time limit of breaking - up of rodinia

    東川礦區晉寧-澄江期堿基性巖侵入活動明顯，常作為因民組復雜角礫巖膠結物和巖脈（體）產出，多分佈於深大斷裂及其派生的次級構造附近，明顯受南北向小江深大斷裂走滑運動引起的右行旋扭及其派生構造控制，與「落因破碎帶」和「銅礦分佈」較吻合，均為「 z 」字形。
  7. All individuals were focused on two zones at the third principle axis ( z - axis ), which showed the distribution of soluble salt in soil

    Y軸為第二主分量，從y軸上個體的投射點的分佈梯度來看，基本上反映了經度變化的趨勢。
  8. Supposed that the fluid in all the fields will accomplish a transport in down - flow distance a z, the flow in trickle - bed is a m step markov process, where m = z / z ( z - the height of trickle - bed ). according to the theory of random process, the statistic of the markov process will be calculated out from the original distribution and state - transport matrix

    假定液體從床層上端面向下流過z距離后，處于各區的流體就實現了一步轉移，則可將床內液體的流動視為從一個初始分佈開始，經過m步（ m = z z ， z為床層高度）轉移的狀態離散、滴流床流率分佈的模擬與整流時間離散的markov過程。
  9. In this paper, such three points are studied as : a ) the angular distributions of the hot electrons emission under laser irradiation at different incidence angles and at different polarization direction, the angular distribution of the hot electrons in the different energy range, and the effects of laser prepulse on the angular distributions of the hot electrons emission ; b ) the energy distribution of the hot electrons at different directions, from the metallic targets and the dielectric targets, in the different energy range of the hot electrons, and the effects of the atomic number z on the energy distribution of hot electron generated by the metallic targets ; and c ) the energetic proton emission resulting from the interaction of the us - ui laser pulse with plasma

    本論文進行了三個方面的研究：第一，超熱電子角分佈的研究，包括不同激光入射角下超熱電子的角分佈；激光不同偏振態下超熱電子的角分佈；激光預脈沖對超熱電子角分佈的影響；不同能段的超熱電子的角分佈。第二，超熱電子能量分佈的研究，包括不同方位超熱電子的能量分佈，金屬與非金屬靶材的超熱電子的能量分佈，金屬原子序數z對超熱電子能量分佈的影響以及不同能段超熱電子的能量分佈。第三，研究了超短超強激光與固體靶相互作用所產四川大學博士學位論文生的高能質子發射和能譜。
  10. Ortmeyer th, khaled z. distribution system harmonic design j. ieee trans on power delivery, 1991, 6 ( 1 ) : 289 294

    段玉清，賀家李.遺傳演算法及其改進j .電力系統及其自動化學報， 1998 （ 3 ）
  11. From the fresnel diffraction equation, we calculated the intensity distribution of the fhb in free space, and found that there is an interested propagation property of the fhb before the focal plane. that is, with the increase of the propagation distance z, the dark spot size ( dss ) of the fhb is first increased, and then decreased, the dss has the maximum value at the position of z = - f / 2

    發現在焦平面之前有一個非常有趣的傳播性質，即隨著傳播距離z的增加，這一聚焦中空光束的暗斑尺寸（ dss ）先從另變大然後再變小，最大的暗斑尺寸的位置在z = f / 2處。
  12. Second method only use longitude - latitude orientation average radius distribution feature, l1 distance function and indirect searching database. in third method, 3d model is equally divided into 16 parts in z axis orientation firstly

    第二種檢索技術提取經緯方向平均半徑分佈作為特徵向量，相似度計算使用l _ 1距離，直接檢索特徵數據庫。
  13. The contents and original points of view are as follows : 1. the complete depth - averaged tubulence model is adopted to compare with the tradional depth - averaged model. the non - uniformity of velocity in z axis is considered in the former. the rigid - lid assumption, which was adopted for long time, is discarded, while the transpot equation of kinetic energy of dispersion is introduced. the 2d term ' s distribution of space - time is calculated

    論文包含的主要內容及創新點有： 1 、引進了完全深度平均紊流模型，與傳統深度平均紊流模型相比，該模型計入了流速在深度方向分佈不均勻的影響；去掉了深度平均紊流計算中長期採用的「剛蓋假定」 ，同時模型通過引進離散動能的輸運方程，計算了二維離散項的時空分佈。
  14. The characteristic parameter about hollow waveguide is gained by using numerical method and the energy distribution model is made by using vector. thirdly we discuss the z - direction energy distribution in hollow waveguide and reflecting character on interface

    我們還在對空芯光纖中徑向能量分佈和介質表面反射特性研究的基礎上，給出了介質膜與常規界面的反射特性的差異。
  15. We have further studied equilibration with respect to isospin degree of freedom and proposed that the neutron - proton differential rapidity distribution is a sensitive probe to the energy dependence of the degree of equilibration : there exists memory effect in multifragmentation process ; the degree of equilibration at e = 400a mev qingfeng li, isospin in hics and k production at near threshold is higher than that at eiooa mev ; the average n / z ratio of imf reduces largely as beam energy increases from 100a mev to 400a mev

    進一步地，利用不同的同位旋相關觀測量我們還研究了系統平衡程度問題，發現中子-質子差的快度分佈可以探測到入射能量達到400amev時反應系統的平衡程度比100amev入射能量時要高，中心快度區的系統基本達到平衡，而彈、靶快度區則存在明顯的入射道效應。
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