differential cross 中文意思是什麼

differential cross 解釋
差動十字軸
  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  • cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
  1. Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam

    對變截面格構式構件的穩定性計算進行了初步的研究，通過建立變截面構件臨界狀態下彎曲變形的微分方程，根據變形邊界條件，得到了兩端鉸支的變截面梁失穩特徵方程，提出了幾種特殊形式的變截面格構式構件等效為等截面實腹式構件時等效慣性矩的計算方法。
  2. Measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - venturi tubes

    用插入圓截面管道中的壓差裝置測量流體流量.文杜利管
  3. Measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - orifice plates

    用插入圓截面管道中的壓差裝置測量流體流量.節流孔板
  4. Measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - nozzles and venturi nozzles

    用插入圓截面管道中的壓差裝置測量流體流量.噴嘴和文杜利噴嘴
  5. Measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - part 2 : orifice plates

    用插入滿載的圓截面管道中的壓差裝置測量流體流量.第2部分:節流孔板
  6. Measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - general principles and requirements

    用插入圓截面管道中的壓差裝置測量流體流量.一般原理和要求
  7. Venturi measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - part 4 : venturi tubes

    用插入滿載的圓截面管道中的壓差裝置測量流體流量.第4部分:文杜利
  8. By analyzing the differentiae of the total cross sections ( tcs ), the differential cross sections ( dcs ), the partial wave cross sections ( pcs ), the change patterns of the cross sections and the influence on the cross sections because of the var iations in the mass of systems and the relative kinetic energy of incoming atoms for symmetric isotopically substituted systems he, ne, ar, kr, xe - h2, d2, t2 have been obtained. in this paper, we use the tang - toennies potential model for the inertia gas atoms - h2 systems, the murrell - sorbie potential surface with five parameters for the molecules h2, d2, t2. for the inertia gas atoms - d2, t2 systems, we use the same potential surface with the inertia gas atoms - h2 systems

    通過分析he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各碰撞體系在總截面、微分截面和分波截面等方面的差異，總結出在h _ 2分子的對稱同位素替代情形下惰性氣體原子與h _ 2分子體系碰撞截面的變化規律；通過比較he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各體系在碰撞總截面、微分截面、分波截面等方面的不同，詳細討論了同位素替代碰撞體系中體系約化質量及入射原子的相對碰撞能量的變化對碰撞截面的影響，得出了這種影響的規律性。
  9. The theoretical formularies of invary amplitude, the form factor of nucleons a and differential cross sections are given about this process

    我們寫出了原子核a的形狀因子以及此類反應的散射振幅和微分截面理論公式。
  10. The differential equations of equilibrium of the constrained rod are established taking euler angles as variables to describe the attitude of the cross section

    以描述截面姿態的歐拉角為變量，建立受約束彈性桿的平衡方程。
  11. All cross sections of neutron induced reaction, elastic scattering angular distribution, neutron energy spectrum and double differential cross sections were calculated by using optical model and the semi - classical model of multi - step nuclear reaction processes based on the hauser - feshbach and exciton model in the energy region up to 20mev

    應用光學模型和以復合核平衡態理論（ hauser ? feshbach理論）及激子模型為基礎的核反應多步過程的半經典理論，計算了當中子入射能量低於20mev時n + ~ （ 112120 ） sn反應的所有中子入射截面、彈性散射角分佈、出射中子能譜以及出射中子雙微分截面。
  12. The differential cross sections for at intermediate energies

    三重微分散射截面的計算
  13. Study of interaction potential and differential scattering cross section for he - n

    2碰撞體系相互作用勢及微分散射截面的研究
  14. The study of the effect of the momentun distribution of target nucleons on the scdw calculation is performed, which shows that the larger nucleon momentum compenents affect the double differential cross sections at backward and forward angles, while smaller nucleon momentum compenents affect the cross sections near the qes angle

    本文還分析了核子動量分佈對scdw模型雙微分截面計算的影響，發現大動量的核子成分的增加會導致截面計算值在大角度區域和極小角度區域的增大；小動量核子成分的減小會導致截面計算值在準彈性散射角附近的減小。
  15. This work gives amsotropy surfaces of three collision systems he - hf, he - hcl, he - hbr. comparing theoretical results with experimental ones has carried out the discussion on feasibility of adapted potential model. all differential cross sections ( dcs ), partial wave cross sections ( pcs ) and total scattering cross sections ( tcs ) have been achieved by using close - coupling approximation method to calculate the three systems, and results above have also been discussed and analyzed

    首先，具體介紹了理論計算方法? ?密耦近似方法，接著討論了各種勢能模型的優缺點，利用孫桂華改進的勢能模型? ? ms勢，分別給出了he - hf 、 he - hcl 、 he - hbr三個碰撞體系的各向異性勢能面，並結合計算結果與實驗結果的比較，對所採用的勢能模型的可行性展開了討論；用密耦近似方法對he - hf 、 he - hcl和he - hbr三個碰撞體系進行計算，得出了各種微分散射截面、分波截面和總散射截面，並將計算結果進行討論和分析。
  16. The double differential cross section ( ddx ) of neutron emission from 51v at 10. 26 mev neutrons was measured using normal and abnormal fast neutron tof spectrometers on hi - 13 tandem accelerator in china institute of atomic energy ( ciae ). the problem of influence from breakup neutrons of the d ( d, n ) neutron source on secondary neutron spectra was successfully solved

    用中國原子能科學研究院hi - 13串列加速器上的常規和非常規快中子飛行時間譜儀，測量了10 . 26mev中子引起~ （ 51 ） v的次級中子雙微分截面，成功解決了d （ d ， n ）中子源中破裂中子對次級譜的影響。
  17. The calculated double differential cross section of the new model is compared with experimental data and previous scdw calculations with single particle model. the calculated cross sections are larger than those given by previous calculations at backword and forward angles and smaller than those given by previous calculations near the quasi - elastic scattering ( qes ) angle. the agreement with experimental data is much improved

    新模型的雙微分截面計算結果與實驗值以及以前採用單粒子殼層模型時的計算結果進行了比較，表明cdfm模型的引入對scdw模型的計算結果有較大的改進，使其在大角度和極小角度區域有所增大，在準彈性散射角附近有所減小，從而能更好地與實驗值相符合。
  18. The frequency upshifting and differential cross section of the laser synchrotron source ( lss ) are studied based on the thomson backscattering of intense laser radiation from a counterstreaming relativistic electron

    摘要研究了逆流相對論電子與激光脈沖相互作用獲得激光同步輻射的頻率上移、微分散射截面等特性。
  19. We have studied the variation of the differential cross section in inelastic scattering with the parameters of annihilation potential and compared with experimental data. we have got the better potential parameters of three models and the graph of the differential cross section, give the range of the best parameters

    通過研究湮沒勢各參數對非彈性散射微分截面的影響，並與實驗數據進行比較，我們得到了三種模型較好的勢參數及非彈性散射微分截面圖，給出了最佳參數的范圍。
  20. Differential cross section

    微分橫截面
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