cross sections 中文意思是什麼

cross sections 解釋
點群資料擷取剖面資料
  • 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，...
  • sections : 鋼錨箱節段
  1. What type of angiosperm do these leaf cross - sections represent

    這些葉片的橫切面代表何類被子植物？
  2. In performing ecap, a material is subjected to intense plastic straining by pressing a sample repeatedly through a die containing two channels, with equal cross - sections, intersecting at an angle. equal channel angular processing of the medium carbon steel ( 0. 45 wt. %

    Ecap變形是使試樣通過橫截面相等並成一定交角的兩通道的模具中而產生強烈的塑性變形的一種變形方法。最近人們運用ecap變形方法成功地使低碳鋼及珠光體鋼組織超細化，關于這方面的研究已引起了人們的廣泛關注。
  3. The construction of cross-sections and block diagrams is also outlined.

    本書還概述了橫剖面和立體圖的製作法。
  4. Conic sections get their names because they take the shapes of the cross sections of a cone

    我們稱這四種形狀為圓錐截線，是由於以不同方法切割圓錐體，便可以得到這些形狀。
  5. In eq. (53)it is assumed that there is no restraint to the free warping of the cross sections.

    在式（53）中，可假定對截面的自由翹曲沒有阻礙。
  6. The cross sections for these fusion reactions are appreciable only for incident energies above 10 kev.

    只有當入射能量超過10千電子伏時，這些聚變反應的截面才是可觀的。
  7. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心，氨基、二苯氨基和二乙氨基為電子給體，硝基為電子受體組合形成的分子為研究對象，在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度，重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明，分子長度與單光子吸收強度之間有密切關系，而在雙光子吸收中這種關系較弱；中心在雙光子吸收中具有重要的作用；在中心和受體一定的情況下，增加給體的供電子能力，可提高雙光子吸收強度。
  8. Sonographic examinations of the pancreas were performed by sagittal scanning at the epigastrium ; the long axis and short axis of the oval cross - sections of both the pancreatic head and body were measured

    檢查測量的方式是在上腹部作縱向掃描，可以分別得到胰臟頭部與體部之圓形縱切面造影，進而分別測量胰臟頭部與體的長軸與短軸，一共為4個胰臟因數。
  9. Kaleidoscopes usually consist of 2 to 3 mirrors and their cross - sections are mostly in the form of equilateral triangles

    常見的萬花筒切面為等邊三角形，由兩塊到三塊反射鏡所組成。
  10. Excited state absorption cross sections are obtained through z - scan curve fitting

    通過曲線擬合，得出了它們的激發態吸收截面。
  11. Fig. 1 - 17 cross sections of leg showing line of approach for removal of whole fibular transplants or tibial grafts

    圖1 - 17顯示取整體腓骨植骨塊或脛骨植骨塊時手術切口入路的小腿橫斷面。
  12. Methods to adopt a mill - like method to obtain ( soaked in 10 % formalin more than 2 years ) thin level cross sections of a head and take digital photograph one by one

    方法採用薄層冰凍銑切技術做顱腦標本的橫切面，並用數碼相機逐層照相。
  13. The knowledge of these initial collision is crucial for any theoretical treat - ment of a possible parton - hadron phase transition, the detection of which being the ultimate aim of all the efforts of co1liding heavy ions at very high energies. the parton model allows to calculate inclusive cross sections as a convolution of any elementary cross section with parton distribution functions, assuming that factorization works. the disadvantage is that tlle first interaction is coilsidered quite differently from the subsequent ones in case of multiple scattering

    其它的弦模型在計算幾率時，忽略了入射能量在pomeron之間的分配，破壞了能量守恆，而且把pomeron作為全同粒子處理，即pomeron之間是不可區分的；然而在處理粒子產生時，這些模型雖然考慮了能量守恆，但是第一個pomeron的粒子產生與其它的pomeron很不一樣? ? pomeron在粒子產生時不是全同的。
  14. For molecules with a given n center strong donors can result in the increasing of tpa cross sections. by caculation the d - a - a - d molecule which is constituted of bipyridine inserting in the middle of stilbene as center exhibits a maximum tpa cross section

    通過計算發現，在以二苯乙烯為中心的中間插入兩個氮苯構成的d - a - a - d型分子，具有最大的雙光子吸收截面。
  15. 3d woven structures with changing cross - sections in widthwise direction and their weave design

    橫向變截面立體機織結構及其組織設計
  16. Semi - circular woodruff keys - dimensions of cross sections and keyways

    鍵和鍵槽的剖面尺寸
  17. Due to the difficulty in the direct measurement, it is important to calculate these cross sections by the indirect anc method

    由於直接測量上的困難，間接用anc方法計算它們的截面顯得尤為重要。
  18. This thesis studies shear lag effect on three representative forms of cable - stayed bridge cross sections by different theoretical methods

    本文針對斜拉橋具有代表性的三種截面形式，採用不同理論計算方法對其剪力滯效應進行研究。
  19. For probing the isospin dependence of the medium correction of two - body cross sections, the results show that the behavior of the excitation function of stopping for medium size nuclear collisions can provide cleare r information than that for heavier systems

    我們的結果還表明測量中等大小質量的系統在中能重離子碰撞中的核阻止本領激發函數比測量重的系統能提供更為確切的有關兩體截面介質修正的信息。
  20. This dissertation is concerned with the problem of reconstructing the surfaces of 3 - d objects from a collection of planar contours representing cross sections through the objects

    本文主要關注基於輪廓數據的三維物體對象曲面重構問題，輪廓表示著一系列通過物體對象的斷層截面形狀。
分享友人
分享到 Line

分享到臉書