z-section z 中文意思是什麼
z-section z
解釋
形剖面-
This paper summarizes the general characteristic and design principle of the continuous cold - formed steel purlins of the z - section and introduces domestic and overseas development of the continuous cold - formed steel purlin of the z - section, analyzes a variety of the factors effecting the continuous cold - formed steel purlin of the z - section
本文簡單介紹了冷彎z型鋼檁條的一些特點和冷彎z型連續鋼檁條的設計原則以及國內、外關于冷彎z型連續鋼檁條研究動態，分析了影響冷彎z型連續鋼檁條承載力的各種因素。 -
The optical waveguide characteristics such as waveguide mode field profile, and the mode cut - off conditions, and the waveguide dispersion are analyzed with the solution of a certain wave equation. the mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of the two - section cascaded m - z waveguide and of the modulation electrode are
調制器的結構設計從m - z干涉型光波導工作原理出發，分析兩級串聯m - z干涉型光波導的工作原理，調制電極的工作原理，從而設計出了工作於1 . 054 m的、兩級串聯m - z干涉型光波導、行波電極linbo _ 3為強度調制器的結構參數。 -
In this paper, pure and doped ktp crystals were grown from the flux using a top - seeded method, and special technique have been used to lower the electrical conductivity to three orders of magnitude than common flux ktp, the values is up to 10 - 10 ( cm ) - 1, this overcame the shortcoming that common flux ktp cannot be used in e - o application field because of having higher electrical conductivity. the growth condition, doped elements and annealing technology were investigated. single crystals of ktp with high quality and big z - cut cross section were obtained by optimizing the parameter of crystal growth
本實驗採用頂部籽晶熔劑法生長了純的以及不同摻雜的ktp晶體，用特殊工藝處理技術將普通熔劑法ktp的電導率降低了三個數量級，達到了10 ~ （ - 10 ） （ cm ） ~ （ - 1 ） ，解決了普通熔劑法ktp晶體由於離子電導率太大而無法用於電光應用領域的困難；對ktp晶體的生長條件、摻雜元素以及退火工藝等進行了研究，通過優化生長工藝技術參數，突破了工藝技術生長難關，得到了高光學均勻性、具有大z切面的ktp單晶。 -
In the second section, i. e. chapter two, three and four, firstly, the thermal induced third order nonlinear optical characters of three organometallic complexes ( nil2, cul2, pdl2 ) are studied by the z - scan technique, thermaloptical coefficients of the three compounds excited under different laser wavelengths are calculated the results show that the thermaloptical coefficients are dependent on excitation wavelengths, the absorptions under these wavelengths and molecular structures of these compounds
第二部分，即論文的第二、三、四章，首先，我們利用連續激光的457 . 5nm 、 488nm 、 514 . 5nm三個波長z掃描方法研究了nil _ 2 、 cul _ 2 、 pdl _ 2三種新型化合物的熱致三階非線性光學特性，分別計算了三種化合物在各個波長的熱光系數。結果表明，其熱光系數與激發波長、在該波長下的吸收、及化合物結構都有一定關系。 -
The effect of detector disturb and the shell of the detector and construction material is not distinct. the low absorb cross section material is used to 235u - fission chamber. the low z material is used in experimental bracket and shielding material and the material is used less
獲得了探測器之間擾動、探測器外殼、支架材料對信號中子測量無明顯影響的結果；對~ （ 235 ） u裂變電離室，需採用中子吸收截面低的材料，對實驗裝置的支撐材料和屏蔽材料宜選用低z材料且盡量減少用材。 -
Analysis of caculation results demonstrates that x of temperature stress and ensembled stress on upstream face of dam section will reduce after 3m deep short seam is extended on upstream face in the middle of dam section, however y and z do n ' t vary
計算成果分析表明：在壩段中間上游面設3m深短縫后，壩段上游面溫度應力、綜合應力x減小，而y 、 z變化不大。 -
So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better. two - section cascaded ln intensity modulator applied to laser pulse rectification is presented in this thesis. it is constituted with two - section m - z optical waveguide and cpw traveling - wave modulation electrode
本課題旨在研究以linbo _ 3為襯底材料、以兩級串聯m - z干涉型光波導結構為基礎、以cpw行波電極為調制電極、用於核爆模擬領域激光脈沖整形的集成光學強度調制器。 -
We consider two situations : ( i ) the light is polarized in the z - direction ; ( perpendicular to the cross - section of the wire ). ( ii ) the light is polarized in the x - direction ( parallel to the cross - section of the wire )
考慮了兩種不同情況：輻射光沿阱線的軸線方向偏振（ z方向） ；輻射光?河北師范大學碩士研究生學位論文平行於軸截面偏振（設為x方向） 。 -
A new lom process, in which the slice sheet is cut along the tangent of normal section line in z - axis direction, is proposed to reduce the theoretical manufacturing error and remaining material quantity
為減小造型誤差，提出了新lom方法，即沿過分層板中點造型曲面z向法截線的切線切割分層板。 -
We consider two situations : ( i ) the light is polarized along the z - direction, in which case the first allowed dipole transition is to the first subband ( nx - 1, ny = 1 ) ; ( ii ) the light is polarized along the x - direction ( paralleled to the transverse cross - section of the wire ). the first allowed dipole transition is to the second subband nx = 2 relative to the x - direction and to the first subband nr = 1 relative to the y - direction of the wire
考慮了兩種不同惰況：輻射光沿階線的軸線偏振k方向x輻射光平行於軸截面偏振（設為二方向山偶極躍遷的選擇定則使得體系從初態躍遷到末態分別為電于的第一于帶和第二子帶，二名的光電離0截面隨光于能量的變化截然不同 -
Z axis 10 section auto - refining processing function
軸10段自動修細加工功能。 -
The principal work in this paper is to investigate the third - order nonlinear optical properties of three new organometallic complexes with z - scan technique, and study the molecule structural vibration of these complexes. in order to further understand their nonlinear optical characters there are six chapters in this paper, which can be divided into three sections : in the first section, i. e. chapter one, the current status of the development and practical applications of nonlinear optics are introduced briefly the third - order nonlinear optical effect is introduced particularly
本文的工作主要是利用單光束z掃描技術研究了三種新型金屬有機化合物的三階非線性光學特性，並且利用拉曼光譜技術探索了這些化合物的結構振動信息，試圖從結構方面更深入的了解其非線性光學性質。論文共分六章，其主要內容概括為三個部分：第一部分，即論文的第一章，簡單介紹了非線性光學發展的現狀以及非線性光學的現實應用和意義，著重介紹三階非線性光學效應，用z掃描方法測量三階非線性光學系數的方法和理論。 -
In this paper, we introduce the definition of lie bialgebroid and its dirac structures firstly. then we particularly discuss the tangent lie bialgebroid, based on the conclusion and thorems given by a. weinstein, z - j., liu. in section two, we study the nijenhuis tensor, which causes the deformation of poisson tensor. view poisson - nijenhuis manifold as a special case of bihamiltonian manifold, we will show some special anduseful properties of poisson - nijenhuis manifold
將poisson - nijenhuis流形作為雙hamilton流形的一個特例，得到poisson - nijenhuis流形上一些比較特殊和有用的性質；並給出了poisson - nijenhuis流形上的形變李代數胚和形變李雙代數胚。
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