集光率 的英文怎麼說

中文拼音 [jíguānglǜ]
集光率 英文
etendue
  • 集 : gatherassemblecollect
  • 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） ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. 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。
  3. Further more, this algorithm also provides the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. the paper also introduces the use method with cell edge hollow repairing and overlap or conglutination cell segmentation. for example, this algorithm has proved high - speed and has a good effect of cell segmentation on more than twenty groups of conglutinate and absent cells which are gathered from three kinds of cells

    同時給出了利用這些參數判別邊界角點，邊界光滑段的判據，以及估算曲率半徑，等效周長的方法;最後，以細胞邊界凹陷的修補和重疊細胞粘連的分割為例驗證了演算法的可行性，該演算法在採集到的30餘組粘連和缺損細胞上進行了驗證，結果表明，該演算法處理速度快，分割效果良好。
  4. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷，是其響應速度目前只能達到微秒級或亞微秒級，不過，在不涉及到碼型碼率的空間光束捕獲、掃描、偏轉、控制方面，液晶器件完全可能進入實用化。
  5. President of our group lu liubo made an ebullience address, general manager lu yifeng also made an exchanges speech. the president mr. stephen who was invited to attend the meeting from america digelay company gave an introduction about the big power

    會上，我集團董事長陸留伯作了熱情洋溢的致辭，總經理陸一峰作了交流發言，應邀參加會議的美國迪吉萊公司總裁史蒂芬先生作了大功率白光led項目情況介紹。
  6. Our company took the lead in establishing a factory specialinzing in producing inflatable models and balloons in 1995. for the last 10 years, with great support and concern from all circles of society and by a common effort of our staff, the enterprise isadvancing in agreat stride, to be the biggest prodution center in china for producing inflatable models and balloons, with a activeties scope from production, marketing, design and research. the company has full range of products, such as : inflatable models and balloons made by pe, pvc complex film, nylon cloth, oxford, reinforced oxford, euphotic oxford, and also inflatable toys. pop commericials, and swimming articles, etc. the company also has a strong technical force : all the products with a unique creative idea, carefully selected materials, vivid and vast sculpt, also can be equipped with computer controlled lighting and sounding system. the lighteing inflatable model is the first in china and has obtainde a patent. the inflatable products, which have a spectacular and impressive visual effect, can be put on advertisement, celebration ceremony, and business activities, giving a commercial culture atmosphere into the citys sight. they are the best choice of advertisers and business people with insight

    本公司於1995年在國內率先創建氣模氣球生產專業廠家，十年來，在社會各界關心支持和全體員工共同努力下，企業發展突飛猛進，現已成為集生產銷售設計科研為一體的國內同行業最大企業，成為國內最大的氣球氣模生產基地。產品品種全： pe pvc復合膜尼布牛津布增強牛津布透光牛津布等材料的氣球氣模，以及充氣兒童玩具pop廣告物水上泳具等產品應有盡有發光氣模等多項產品屬國內首創並獲專利，其產品一旦充而擴之，投放于廣告慶典商務活動，視覺效果巍為壯觀十分搶眼，不僅為都市空間增添了一道亮麗的商業文化景線，更為現代廣告人商人慧眼所識。
  7. Chapter five describe the real example of the project of dwdm. related with the project of the east - north loop of fiber transmission system, research the layout of the network, analysis the performance of the transmission and bring out the frondose project of construction, inculde the number of the wave length, the speed of the transmission, the style of he fiber etc. chapter six is the summary of the article

    第五章是dwdm技術在通信工程建設中的實際應用，本論文以作者參與的一項具體的工程設計? ?中國移動集團公司建設的東北環光纜傳輸工程中dwdm技術的運用為實例，根據預測業務發展的要求，從傳輸性能的分析，到網路的規劃，技術上的實現，提出了其具體的建設方案，包括波長數目、傳輸速率、光纖類型、光復用段、設備制式等。
  8. High light efficency, concentrated light, no additional ballast, which can take place of incandesce lamp, reducing investment fees

    特點：發光效率高，光線集中，不需要附加鎮流器，可直接與白熾燈互換使用，減少投資費用。
  9. Dalian haida printing com., ltd. symbolized by head has more than 300 employees, almost 17, 000 square meters business area, over 83 million rmb capital asserts, more than 100 million rmb revenue per yea r with advanced equipments, large producing scale, high technology and excellent team. its former is dalian printery of maritime university

    大連海大印刷有限公司前身為大連海事大學印刷廠， 1988年率先引進激光照排系統， 1996年又在市中心投資600多萬元建成了大連市最大規模的彩印製版中心，繼而又引進國內外先進的印刷設備，成為大連地區最具規模的集彩印製版彩印包裝書刊印刷為一體的綜合性股份有限公司。
  10. Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently

    與現有的同類型儀器相比，該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾；採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率；用低強度的激光避免了對樣品的輻射損傷，同時可以使激光器和系統集成在一起，整個系統小型實用。
  11. To investigate the practicability of a solar - direct - pumped fiber laser by using a parabolic dish concentrator, the solar power absorbed by the fiber laser and its absorption efficiency were calculated with numerical method based on the characteristics of solar spectrum in outer space

    摘要為了研究拋物面碟形聚光器實現太陽能直接抽運光纖激光器，根據空間太陽光譜分佈特點，採用數值方法，計算了用該聚光器聚集太陽能量抽運雙包層光纖激光器時光纖吸收的太陽能量及其吸收效率。
  12. The function of illumination optics for projection displays is to direct light source onto a small area of microdisplay within a limited incident solid angle, and therefore the collection efficiency is especially important compared to other illumination applications, which is also the main technical issue for led application to projection displays

    摘要投影顯示之照明系統須將光能量集中照明於一小面積與小角度之內，相較于其他照明之應用，其集光效率之考量更為嚴苛，亦為發光二極體于投影顯示照明應用中最主要之技術課題。
  13. The analysis of ir spectrum and melt flow index showed that the composite had a micro - crosslinking structure, and the analysis of dsc discovered there was - spherulite in the aggregate structure of the composite of pp

    紅外光譜分析和熔體質量流動速率的測定表明，復合材料體系產生了微交聯； dsc分析發現， pp材料的聚集態結構中含有球晶。
  14. When the electric interlocking apparatus at station do not work, we can exactly and promptly obtain, the states of switch in route, display in notebook computer by white strip light plainly, and thus increase the safety coefficient enormously and train working efficiency

    系統自成體系，當車站電氣集中設備停用后，使用該系統能夠及時、準確地反映進路上的道岔狀態，並將所排進路以白光帶的形式直觀地在筆記本電腦上顯示出來，大大提高了非正常情況下接發列車作業的安全系數和作業效率。
  15. The company main product includes : the vacuum electron gun, opticsmembrane level thickness measuring instrument, the electron gunscanning control meter, the high efficiency crystal thyratron pressureregulator, the precise optics with the power source, the electricitycontrol the cabinet, the data acquisition module and so on

    公司主要產品有：真空電子槍、光學膜層厚度測量儀、電子槍掃描控制儀、大功率晶閘管調壓器、精密光學用電源、電氣控制櫃、數據採集模塊等。
  16. Discuss the method to improve the efficiency of collecting signal and signal - noise ration. make the setup of detection device, high voltage supply of pmt and low - noise preamplifier ; doing lif detection experiment to green fluorescent dye

    詳細討論了提高熒光採集效率和信噪比的措施，製作了探測機構、光電倍增管的高壓供電電路和前置放大器。
  17. The performance of the probe has an important effect on the performance of the biosensor. therefore, it is critical for advancing the detection sensitivity of the biosensor to design and optimize the structure of the probe to improve the excitation and collection efficiency

    光纖探針的性能對光纖生物傳感器的整體性能有著極為重要的影響，如何設計並優化光纖探針結構以提高熒光信號的激發和收集效率，將成為提高光纖倏逝波生物傳感器探測靈敏度的關鍵。
  18. In order to find out an optimized method for constructing the y - rays detector, a simulation study for light collecting efficiency of scintillation crystal bgo is carried out by means of monte carlo method

    為了找到構築閃爍晶體探測器的優化方法，我們使用蒙特卡羅方法對閃爍晶體bgo的光收集效率進行了模擬研究。
  19. In order to efficiently improve the stability of the apparatus, a dual - optical detection circuit was adopted. to eliminate the multiple scattering effects on transmittance measurements, the range of the transmittance was limited to 70 - 100 % by adjusting the width of the light flow cell and changing the intensity of the incident light through regulating the load voltage of the laser light source. moreover, the data acquisition software was programmed in microsoft visual bas

    通過調節激光光源負載電壓改變光強度及調摘要整檢測池的寬度，消除了多重散射對透光率的影響，將透光率的變化范圍控制在滿足beer1a毗ert定律的范圍內工將溫度、溶液密度和透光率信號經模數轉換，並用microsoftvisualbasic語言編寫的數據採集軟體，實現了實驗過程中各被測量的自動連續採集。
  20. 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。
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