比較式光度計 的英文怎麼說

中文拼音 [bǐjiàoshìguāngdùjì]
比較式光度計 英文
contrast photometer
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 較 : Ⅰ動詞1 （比較） compare 2 [書面語] （計較） dispute Ⅱ副詞（比較） comparatively; relatively; fair...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 比較 : 1 （對比） compare; compare with; contrast; parallel （with）; comparison; by comparison; in comp...
  1. By comparison and analysis of the auto lensmeter used in domestic and abroad, optics theory and foci adjustment method are discussed, the formulation of diopter of glasses is given

    本文通過對國內外同種類型設備的比較和分析，給出了數字查片儀的光學原理和調焦原理，推導了鏡片屈光度的計算公式。
  2. Statistics of wave crests with different directional spreading parameters and different directional functions are obtained and discussed. jonswap spectrum and the directional function suggested by mitsuyasu, donelan and wen respectively are employed in the analyses. statistical distribution of wave crest characteristics such as crest length, crest height, and directional angles based on the above - mensioned numerical simulation of 3 - d random waves are analyzed

    以jonswap譜為頻譜，選取光易型方向函數（含三個參數） 、 donelan方向函數以及文氏方向函數等不同的方向函數進行模擬，對得到的波峰形式進行比較，分析了方向函數對波峰長度統計值的影響。
  3. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法，研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法，主要內容為以下幾方面：對一擬建的復雜高層建築結構，採用1 20比例的空間整體模型，進行了26種工況下的模擬地震振動臺試驗，觀察了結構的破壞過程和地震反應，分析了結構及構件的抗震性能；建立了結構的精細空間模型，利用sap2000n大型有限元分析程序對結構進行了彈性時程分析；通過有限元分析與試驗結果的對比，對結構的抗震性能和抗震能力做出綜合評價，認為該結構由於轉換層上部去掉部分樓板，既可滿足建築設計的通風、採光等要求，又可達到協調結構轉換層上、下樓層抗側剛度的效果，是一種較理想的有多道抗震防線的結構型式。
  4. Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity

    首先，我們對增益介質的性質和非線性晶體bbo和lbo的一些性質進行了比較，選取nd ： yag作為增益介質， lbo作為倍頻晶體。理論上分析了激光器設計中的一些參數值，如增益介質長度、模式交疊率、最佳倍頻條件，並根據理論分析結果設計了諧振腔。
  5. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  6. An intensity modulated fiber optic micro - accelerometer with a digitally feedback circuit is designed. this sensor employs a graded index lens with a reflective coating on one end and measures the relative displacement between the lens and a pair of optical fibers

    在本系統中設計了脈沖數字式再平衡迴路，使得該微型光纖加速度傳感器和一般的光纖傳感器相比，又具有動、靜態性能較好，精度、穩定性較高等優點。
  7. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。
  8. On the aspect of the research of the rcs computation methods, this dissertation did many work as : it discussed the application of the stationary phase method for the integral of the physical optics and gave the expressions of the stationary phase method based bezier surface for the perfect conduct and coated target ; focused on the application of the stationary phase method, it discussed some important techniques such as the searching of the stationary phase method and the handling of the singularity ; it also discuss the application of the gauss method for verifying the correction of the stationary phase method, and gave their compares of the efficiency and the precision

    在rcs演算法研究方面，本文做了以下研究：討論了在bezier曲面上物理光學積分的駐相法求解，給出了bezier曲面上理想導體和塗敷目標駐相公式；圍繞駐相法的應用，討論了駐相法應用中的一些關鍵的技術問題，包括駐相點的搜索、駐相法的奇異性；為了檢驗駐相法的精度，還討論了gauss積分的應用，給出了兩種方法計算效率和精度的比較。
  9. Analyzed the relationship between the cloud shortwave radiative forcing and the surface net radiative flux, the results were show by means of chart. the satellite grey values were get form the gms satellite data. analyzing the relationship between the cloud shortwave radiative forcing and the satellite grey values, established five regression equations and discussed them, select the best pattern, by which we can estimate the cloud shortwave radiative forcing

    同時利用gms衛星紅外和可見光兩個通道的數字雲圖資料，經過處理，分別得出雲圖的灰度計數值，分析了短波雲輻射強迫和衛星計數值的關系，並運用回歸方法建立了估算短波雲輻射強迫的五種模式，對五種模式進一步討論比較，得到估算短波雲輻射強迫的可用模式，用於短波雲輻射強迫的估算。
  10. In the design of holographic disc storage system, we first proposed an optimized reflection configuration for sam fourier - transform hologram storage. then we designed and manufactured an asymmetrical fourier transform lens pair, which matched the parameters of slm and ccd and the system requirements. in order to achieve 1 : 1 pixel - matching of high resolution data pages ( 1024 768 ) between slm and ccd, the two lenses were designed and optimized in an iterative manner, and the combination of them reached satisfactory results with eliminated aberrations that can meet the design requirements

    首先提出來用於反射式傅立葉變換體全息存儲的空間-角度復用的光路機構，然後按照slm和ccd的光學參數以及系統的工作要求提出傅立葉變換鏡頭的設計條件，為實現在1024 768幅面的1 : 1像素匹配，設計採用非對稱結構的傅立葉變換鏡頭，可以解決slm與ccd像素尺寸相差比較大的問題，使兩個鏡頭的焦距比同slm和ccd的像素尺寸比相等。
  11. ( 3 ). put forward two structure scheme of opto - electronic deflection measurement sensor, light transmitting with non - mechanical scanning and light reflecting with non - mechanical scanning after compared exisiting methods of liquid level measurement to satify this needafter the comparison, an opto - electronic deflection measurement sensor based on light reflecting with non - mechanical scanning be confirmed. then the concrete design is to carry out, which includes the design of reflective surface, the design of pds ( photo detective subassembly ) ' s bracket, the design of floater and the design of shaking - absorbed accessory. during the process, there are a series of caculations and emulations. at last, the opto - electronic deflection measurement sensor has been designed and produced

    比較了現有液位測量方法后提出了能夠滿足大佛寺長江大橋撓度測量要求的基於連通管的光電撓度計的非機械掃描光透射式和非機械掃描光反射式的兩種方案，通過比較確定了非機械掃描光反射式方案。隨后通過對該方案進行具體的零件設計，主要包括反射面的設計， pds （光電接收組件）支架的設計，浮子的設計以及減震零件的設計等等，在設計的過程中包含了一些理論計算和模擬，最終設計和製作了光電撓度計。
  12. Lockhart & martinelli pressure drop correlation is studied, and at the same time, based on the experimental data collected, the accuracy of this formulation is examined. 6. the evaluating method on intensifying heat transfer performance in microfin tube is provided, and by this method the performance of r290 and r404a is investigated

    研究了通用性較好的lockhart & martinelli摩擦壓降關聯式，同時將r290和r404a的管內沸騰換熱壓降實驗數據與關聯式計算值進行了比較，結果顯示：此關聯式對r404a的光管和內螺紋管沸騰換熱摩擦壓降有良好的預測精度，而且對于r290的光管沸騰換熱摩擦壓降有良好預測精度。
  13. A two stream model has been used to calculate the variation of optical depth and their effects to ultraviolet radiation of each extinction material. with the model, the relation among season, solar zenith angle and ultraviolet radiation has been discussed, and the variation of ultraviolet radiation under different clouds has also been studied. the comparative research of ultraviolet radiation among kunming, beijing and other abroad area at the same latitude has also been done

    在已建立的計算昆明紫外輻射兩流模式改進的基礎上，進一步計算並討論了： 1各種消光物質的光學厚度變化規律及其對紫外輻射的影響2季節變化及太陽天頂角變化與紫外輻射的關系3不同雲的光學厚度下紫外輻射的變化4昆明與北京兩地模式計算結果比較，以及與國外相近緯度觀測結果進行了比較。
  14. For applications involving shocks, second order schemes such as tvd schemes are usually adequate if only relatively simple structures are present in the smooth part of the solution. however, high order shock capturing schemes ( order of at least three ) are more efficient than low order schemes when a problem contains rich structures as well as schocks

    在計算含有激波但光滑區不存在復雜波系結構的流場時，二階差分格式如tvd類格式已能夠得到比較理想的數值計算結果；然而，對于即含激波，光滑區又富含各種波系結構的流場，高階高精度格式的激波捕捉格式相對低階格式具有更高的解析度，更能夠反映流場的真實流動。
  15. Abstract : this paper presents a method improving on the homogeneous distributing optical fiber position - board ’ s observation efficiency in the lamost system, then points out that the observation efficiency be improved by comparing the simulation result with the previous result

    文摘:本文介紹了lamost系統中均勻式光纖定位板觀測方法的改進，並且對改進后的系統進行了計算機模擬，並將結果與未改進前的系統進行了比較，觀測效率有一定程度的提高。
分享友人
分享到 Line

分享到臉書