旋光率 的英文怎麼說
中文拼音 [xuánguānglǜ]
旋光率
英文
specific rotary power-
Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性(包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈) ,通過比較三種形狀位相元(等邊三角形、正方形和正六邊形)的遠場光斑特性,得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。The special species s. platensis in inner mongolia has the highest value of the content of pigments, the biggest net photosynthetic rate, the highest lightcom - pensation and lightsaturation. has the lowest value of the respiration ( 24 )
內蒙古特有的鈍頂螺旋藻s1的光合色素含量、最大凈光合速率、光補償點、光飽和點都最高,呼吸速率最低( 24 ) 。It indicated that not only can spirulina cells grow photoautotrophically and photomixtrotrophically, but also can grow heterotrophically under some specific conditions. light intensity, light quality, temperature, species and concentration of metals, rare earth elements and vitamins, salinity, cell concentration, dissolved oxygen level and magnetic filed etc., all play important roles in photosynthetic performance and cell productivity of spirutina
認為螺旋藻細胞不但能進行光合自養和混合營養生長,而且在某些特定的環境條件下,還能進行異養生長;光照強度、光質、溫度、金屬元素、稀土元素、鹽度、藻體細胞濃度、溶氧水平、維生素、激素和磁場等環境因素對螺旋藻細胞的光合性能和細胞產率都有顯著影響。The numerical calculation simulation shows that the fgb will change its shape upon propagation. ( 5 ) using the quasi - discrete hankel transform ( qdht ), the fast calculation code simulating the propagation of cylindrical symmetry laser beams passing through high power laser amplifier system is built up for the first time. the code is applied to
( 3 )明準訴散漢克爾變換編制寧旋轉對稱光束在高功率激光放大系統中傳輸的快冰汁彝摸擬程序,利用該程序對超高斯光束在多麟光放大系統中的傳輸和神光紅栩櫥化光傳。Comparative study was carried out on the effects of critical environmental factors ( temperature, irradiance ) on the photosynthetic and respiratory rate between spirulina platensis ( s1 ) derived from the alkaline lake in maousu sandy land in inner mongolia and two imported species spirulina platensis ( s2 ) and spirulina maxima ( s3 )
本文從環境因子(溫度,光強)對螺旋藻光合速率和呼吸速率的影響方面,對內蒙古毛烏素沙地堿湖鈍頂螺旋藻( s _ 1 )與國外引進的鈍頂螺旋藻( s _ 2 )和極大螺旋藻( s _ 3 )進行了比較研究。( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation
其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面( lrcs )值,研究了qd與ccd對目標位置角度的計算方法和空間解析度; ( 2 )根據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題,然後分析了幾種常見的掃描方式:矩形( raster )掃描、螺旋( spiral )掃描,矩形螺旋( rasterspiral )掃描,玫瑰形( rose )掃描以及李薩如形( lissajo )掃描; ( 3 )對分行掃描和螺旋掃描進行了詳細的模擬分析,分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。Flash power : through rotary switch 11 you can readjust the flash light and obtain ideal light source
閃光功率:通過旋鈕開關,可使您的閃光燈發出不同光亮,從而便您達到理想光源。The tunable performance is obtained by rotating the grating. the disadvantages of the mechanical tunable filter are high control voltage, slow response time and big volume. the electro - optic tunable filters are obtained by the alteration of the birefringence of the electro - optic material applied voltage
電子光學濾光片則是通過施加電壓使各種電子光學材料的雙折射率發生變化來實現透射波長的調諧,也可以利用電光晶體在電場中的旋轉來實現波長的調諧。Enhanced heat transfer tube with spiral - surface has simple frame, cheap cost, and wide - ranging purpose. only few dirt can adhere to it and is easy to be washed. it has distinct strengthen effect, and can improve chief heat transfer coefficient at 35 - 40 % comparing with smooth tube exchanger which has same volume and pump power consumption
螺旋型表面強化管結構簡單,成本低廉,用途廣泛,結垢少且易清洗,其強化效果明顯,與體積、消耗泵功率相同的光管式換熱器相比,螺旋槽管換熱器可以將總傳熱系數提高35 40 ,因而備受人們青睞。Introduce the traditional two samples rotation vector algorithm and three samples rotation vector algorithm, which fit the incremental angular condition. but, the output of fiber optic gyro is angular rate of the vehicle, the error would increase serious if use traditional algorithm
由於光纖陀螺儀輸出為角速率信號,而傳統的旋轉矢量演算法輸出為角增量信號,採用角增量提取演算法,旋轉矢量精度會大幅大降。The photo - induced phase transition of the different light intensities, photo - energies and directions of the polarized light is investigated. it suggested that the photo excites the down spin eg electrons and destroys the spin order system of the thin films. the relation between the he - ne laser reflectivity of the thin film, applied current and resistance was analyzed by the optics theory of solid state physics
光子通過激發e _ g向下電子的躍遷,從而改變材料自旋極化方向,影響體系的輸運行為;首次研究了cmr薄膜的激光反射率和偏置電流的關系,並用固體光學理論對其定性分析,表明反射率的變化是由於電場引起材料的晶格畸變,改變了極化率,從而導致材料的折射率和反射率發生改變。Absolute distribution of laser beam intensity is gotten from comparative distribution. the absorption coefficient of material is calculated by measuring transmissive ratio. the influences on temperature increment, stress and phase of laser beam are computed with different time, window cooling, window rotating, shape and material of window, distribution of intensity
由近場光斑相對分佈得到其絕對分佈,測量窗口透過率,求得材料的吸收系數,在此基礎上計算了出光時間長短、窗口有無冷卻、是否旋轉、窗口材料及面型、光強分佈形式對窗口溫升、應力和光束位相的影響。Test methods for optical rotation of chemical products
化學製品的旋光率試驗方法The specific rotation and concentration of the sucrose are measured with laser, it can collect the data and out put the curve real - timely by computer, it has the advantages of easy clarity and high accuracy
摘要採用激光測量了蔗糖溶液的旋光率及其濃度,利用計算機實時採集數據並輸出圖形,使實驗具有直觀、準確度高、操作簡便等特點。The results show : ( 1 ) the light compensation point and light saturation point of s1 s2 and s3 were in range of 12 ~ 27 mol / m2 s and 180 ~ 360 mol / m2 s, respectively, and they changed with the irradiance. ( 2 ) both light compensation point and light saturation point of s1 were higher than those of s2 and 83, and s1 showed greater capability against high irradiance than s2 and s3. ( 3 ) the optimal temperature of the three strains were 25, 35 and 30, respectively, and they had temporal effect. ( 4 ) respiratory rate rose as the temperature rising, and at about 40, it reached the peak
結果表明: ( 1 ) s _ 1 、 s _ 2 、 s _ 3的光補償點和光飽和點的變化范圍分別為12 27 mol m ~ 2 ? s和144 360 mol m ~ 2 ? s ,二者可隨光照環境的變化而變化,其中s _ 1的光補償點和光飽和點均高於s _ 2和s _ 3 ,且表現出強于其餘兩個藻種的抵禦強光輻射的能力; ( 2 )三個藻種的最適溫度分別為25 , 35 ,和30 ,具有時間效應; ( 3 )呼吸速率隨溫度的升高而升高,最大值出現在40附近;溫度低於25 , s _ 1的光合速率最高,呼吸速率最低,表現出很強的低溫適應性; ( 4 )螺旋藻的光合特性可隨光照環境的變化而變化,光強增強,可使螺旋藻的最適光照范圍增大,抵禦強輻射的能力增強; ( 5 )螺旋藻受到溫度脅迫時,其最適光照范圍變窄,對光強的敏感性增加。The temperature stress made the cells optimal irradiance range narrow and also made their sensitivity to irradiance. study on the daily variation of photosynthesis in different weather in four seasons in a year was carried out, too. the results showed that the daily variation curves of s1, s2 and s3 were two - peak curves in high irradiance, and the higher the irradiance was, the earlier the first peak appeared. in the weather with low irradiance ( for example, in cloudy day ), the photosynthetic rate varied with the irradiance changing
四季溫室不同天氣(晴天、多雲天氣和陰天)螺旋藻光合速率日變化測定結果顯示,在光照較強的天氣(如晴天) , s _ 1 、 s _ 2和s _ 3的光合速率日變化曲線呈雙峰曲線,且光照越強,峰值出現越早;在光強較弱的天氣,光合速率隨光強的升降而升降。The quality that takes a fancy to a country from the education of 6 countries teachs to go after or be complied with " equal, efficiency, demand " this one thematic, the educational reform of each country is just as the one side prism below the sun, through base of system of different culture tradition, politics, economy, education horizontal reflection gives different luster
從六國的教育看中國的素質教育為了追求或順應「平等、效率、需求」這一主旋律,各國的教育改革如同太陽底下的一面三棱鏡,通過不同的文化傳統、政治體制、經濟基礎、教育水平折射出不同的光澤。Non - selfsustained longitudinal discharge co2 laser employing helical transverse - pulsed preionization technology is investigated for the first time. the main discharge and output power are well controlled by the pre - ionization pulser
採用螺旋結構橫向脈沖預電離技術首次研究了非自持縱向放電co _ 2激光器,非自持激光器的主放電和輸出功率由外加的預電離脈沖控制,激光器的可控性非常好。This paper proposes a new algorithm for curvature calculation at discrete points, considering both total revolving and partial twisting of the fbg sensors in order to enhance the curve - fitting accuracy
該文提出了一種在光纖光柵傳感器基材整體旋轉或扭轉情況下得到離散點曲率的演算法,從而提高重建精度。The theoretical analysis shows this mz interferometric optical fiber gyroscope can be used to detect the rotation of the moving bodies
分析結果證明了採用mz干涉式光纖陀螺實現對旋轉角速率的探測的可行性。分享友人