light index 中文意思是什麼
light index
解釋
光照指數-
The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated
討論了入射角、入射方位角、入射光波長、光柵柵距、介質折射率與矩形光柵衍射級次數目間的關系。 -
3 ) the cochineal insect can develop well when the light is 601ux to 9801ux while the temperature and humidity are at suitable levels. comparing from the population tendency index, the index is larger under weaker light
3 ）在光照對胭脂蟲的影響方面，只要有適宜的溫濕度條件， 601ux到980lux的光照強度下胭脂蟲均能正常發育，從種群趨勢指數上看，弱光下胭脂蟲的種群趨勢指數更大。 -
On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied
在收集、整理國外對胭脂蟲的研究資料基礎上，首先從胭脂蟲的形態學、分類學、生物學特性入手，進而在實驗室內利用人工氣候箱，應用正交設計方法，設計了4種溫度、 2種濕度、 2種光照梯度的不同組合，通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標，深入研究胭脂蟲在這些組合下的生長發育狀況，應用數理統計方法，分析出溫度、濕度和光照對各項生物學指標的影響，找出胭脂蟲適宜的室內培育條件，並為野外胭脂蟲的培育提供一定的理論依據。 -
Other properties strongly influencing the light output are the transparency and the index of refraction of the scintillator.
強烈影響光輸出的其他特性有：閃光體的透明度和折射率。 -
( 2 ) the index changes induced by cw laser at milliwatt in linbo3 : fe crystals are studied experimentally in detail. furthermore the experimental results are theoretically analyzed and numerically simulated. the results show that waveguide structures can be effectively induced employing structure light irradiation in linbo3 : fe crystals
在功率密度為毫瓦量級的連續激光輻照下，對linbo _ 3 ： fe晶體中的光致折射率變化規律進行了詳細的實驗研究，並對實驗結果進行了理論分析及數值模擬。 -
In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got
第五章從上一章測量所得折射率分佈曲線出發，根據梯度介質球內光線傳輸的理論模型，用光線追跡的方法分析了327 #微球透鏡的反光性能，並對最佳性能條件進行了總結分析，發現效果提高並不明顯，進而在第六章中提出了提高grin聚合物微球回歸反射性能的兩個基本途徑，並用光線追跡方法進行了詳細的分析，最終得到了良好的效果，並對結果進行了一定的分析解釋。 -
Chapter 5. based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, by this means the mainly imaging character index of the micro - lens such as foci, longitudinal and transverse spherical aberrations aberration etc is calculated. i
第五章從測量所得折射率分佈曲線出發，根據梯度介質球內光線傳輸的理論模型，用四階runger - kutta方法進行光線追跡，計算了此種梯度球的縱橫向球差等光學特性，給出所製作梯度折射率微球透鏡成像性能的評價。 -
In the light of the situation of valuation, the paper use the method of qualitative analysis combining with quantitative research to study the concept of the quality of valuation, quality feature, quality standard, the quality index and appraisal method, in order to clarificate the fuzzy understanding in the basic problem of quality of valuation and offer reference to appraise scenically the quality of valuation by the management of valuation trade
針對資產評估質量現狀，本文採用定性分析與定量研究相結合的方法，對資產評估質量的基本概念、質量標準及評價指標、評價方法進行研究，旨在澄清資產評估質量基本問題的模糊認識，為評估行業管理部門科學評價資產評估質量提供參考。 -
Based on the band transport model, the formation of refractive index grating in photorefractive crystal is discussed firstly. then the characteristics of two - wave coupling, four - wave mixing and light - induced scattering are analyzed
本文主要從實驗上研究了cu ： knsbn晶體的自泵浦相位共軛特性及cr ： sbn晶體的四波混頻相位共軛特性及其應用。 -
The course covers non - sequential ray tracing, sources, detectors, objects, ray splitting, scattering, ghost analysis, stray light analysis, prisms, fresnel lenses, multi - element lenses, gradient index, polarization and thin film modeling
本課程涵蓋了非連續光線的追跡、光源、探測器、物體、分光、散射、鬼像分析、雜散光分析、棱鏡、菲涅耳透鏡、多元件透鏡、梯度折射率、偏振和薄膜的建立。 -
Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment
本文從緩變光纖波導的局部耦合模理論出發，推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律，提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想，並實驗論證了這種新型光纖傳感器應用於實際的可行性。 -
Because of the digitally rebalanced circuit, the sensor is capable of achieving better static and dynamic characteristic, higher sensitivity and stability. in this paper, the propagation path of light in the step index fiber and graded index fiber is introduced firstly. then the paper sets up the coupled power model and develops the coupling function
在文中，首先介紹了光線在階躍型光纖和梯度折射型光纖中的傳播路徑，以及在一端鍍有反射膜的1 4波節長度的grin透鏡中的成像規律，並推導了光功率耦合函數。 -
In the light of the fundamental method of analysis of the theories concerning enterprise competitiveness, this essay deals with the study on the enterprise competitiveness in lanzhou railway bureau. first, it makes a holistic analysis on the competitive environment and elaborates the status quo of development ; second, it establishes the index system for the assessment of the enterprise competitiveness in lanzhou railway bureau, and makes general and comparative assessment of the enterprise competitiveness, and then a conclusion is drawn ; lastly, it presents the ways and solutions to upgrade enterprise competitiveness in lanzhou railway bureau, based on the analysis of causes for the conclusion. the method of analysis in this essay is valuable in reference for the study of other enterprises in the same industry
首先，對蘭州鐵路局競爭環境進行了宏觀環境分析和競爭環境分析，認為在現階段蘭州鐵路局擁有良好發展環境，同時也面臨著替代性運輸方式、潛在競爭對手和現代物流發展的強大威脅；其次，對蘭州鐵路局的發展現狀進行了闡述，從運輸生產、經營管理、市場競爭等不同角度進行了深入分析，認為現階段蘭州鐵路局在西北運輸市場仍然佔有一定優勢；第三，運用企業競爭力評價理論建立了蘭州鐵路局競爭力評價的指標體系，並採用模糊數學和dea評價方法對蘭州鐵路局競爭力進行了總體評價和比較評價，得出了蘭州鐵路局競爭力不強的結論，並針對評價結果進行了原因分析；最後，提出了蘭州鐵路局競爭力提升的思路和對策。 -
The size of the greenhouse of 100 square meter are optimized at max solar radiation during the heating period from 15. 02 to 15. 11 240 days for the latitude 52. 3 degree ; the inclination angle of the light transparent cover to the horizon is 60 degree ; the sun rise 30 degree. the maximum geometrical index imin 1, 78
高能效太陽能溫室的示範項目設計面積是100平方米，緯度523 ，透明屋頂與地平線的傾角為60 ，太陽和地平線的傾角為30 ，在最強日照下，在15 . 02到15 . 11加熱范圍內運行240天。 -
Introduce the measurement of the common optics parameter of the medium lens, for example, light passing index, no - sphericity and so on, emphasize on the way and result of using shearing interferometric technique to measure the refractive index distribution curve of the micro - lens
第四章介紹對所制備的此種介質球透鏡的透過率、不圓度等重要光學參數的測量。重點闡述利用剪切干涉技術測量微球透鏡的折射率分佈曲線的方法和測量結果。 -
A study on effect of refractive index on scattered light field distribution
關于折射率對散射光場分佈影響的研究 -
The scattering intensity of rough surface is computed, while the roughness, polarization, observation station and the refractive index are different, and the wavelength of incident light is 0. 48 m. the results indicates the rougher the rough surface is, the less the coherent scattering is ; the influence of the smaller refrective index is more than larger one by the polarization
計算了入射光波長為0 . 48 m時，不同粗糙度，偏振態，散射角以及不同折射率的粗糙面散射強度，結果表明，粗糙面越粗糙，相干散射越小，非相干散射越強;偏振態對折射率大的粗糙介質面影響較小，對折射率較小的介質面的影響較大。 -
We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses
給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。 -
Detector : the most commonly used detector is ultraviolet absorption detector ; other universal detectors are photodiode array detector ( dad ), fluorescence detector, refractive index detector, evaporative light - scattering detector, electrochemical detector and mass spectrometry detector etc
檢測器最常用的檢測器為紫外吸收檢測器，其他常見的檢測器有二極體陣列檢測器（ dad ） 、熒光檢測器、示差折光檢測器、蒸發光散射檢測器、電化學檢測器和質譜檢測器等。 -
A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary
紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系，但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系，必要時需對響應值進行數學轉換后進行計算。
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