light saturation 中文意思是什麼

light saturation 解釋
光飽和現象
  • light : n 1 光,光線;光明,亮光 (opp darkness) Hang the picture in a good light 把那幅畫掛在能看清楚的...
  • saturation : n. 1. 浸透,浸潤。2. 充滿;飽和。3. 【化學】飽和(狀態)。4. 飽和劑。5. 【物理學】磁性飽和。6. 【色】濃度,章度。7. 【商業】(市場的)飽和供應,足量供應。
  1. The light saturation point was lower of defoliated plants than that of non - defoliated plants. with reduced light irradiance, light saturation point also decreased

    葉損失植株的光飽和點要低於未受損植株,隨光照強度的降低,植株的光飽和點逐漸下降。
  2. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。
  3. The light saturation curve of soybean photosynthesis has been determined by a number of workers.

    許多研究者曾測得了大豆光合作用的光飽和曲線。
  4. Dark respiration changed with the same trend of light saturation point. but apparent quanta efficiency was not differentiated remarkably and need to be researched further

    不同處理植株的暗呼吸變化趨勢同光飽和點相同,表觀量子效率卻無顯著差異,其機理還需進一步探討。
  5. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀,分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量,分別探求了外力約束對膨脹土強度的影響,不同飽和度膨脹土的總應力強度特性,干濕循環對非飽和膨脹土總應力強度的影響,飽和度與壓縮模量以及孔隙比的關系,干濕循環對飽和膨脹土有效應力強度指標的影響,廣義吸力與飽和度的關系,建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。
  6. The light saturation points, compensation points and dark respiration rates of t. media cv. hicksii seedlings go down while the contents of chlorophyll and the ratios of chlorophyll a and b increase along with the weakening of light intensity of the growing environment, but their co2 compensation points and photorespiration rates go up

    遮蔭使曼地亞紅豆杉幼苗光飽和點、光補償點及暗呼吸速率降低,但光呼吸速率和co _ 2補償點升高,葉綠素含量增大而葉綠素a b減小。
  7. In this paper we put fonvard the method of introducing the light and middling lanthanon into the tb - fe - co magneto - optical materials by taking advantage of the higher saturation magnetization intensity, higher anisotropy and higher magneto - optical effect of light and middling rare - earth. moreover the law and mechanism of how the addition affect the magneto - optical property of the films were discussed

    本文是在比較、總結現有關于tbfeco磁光薄膜的理論和背景研究的基礎上,利用輕、中稀土元素的高飽和磁化強度、高磁晶各向異性、高磁光效應的優點,提出在傳統的tbfeco磁光材料中摻入輕、中稀土元素的方法。
  8. Comparing with full light treatment ( control ), tr, gs, wue and light saturation point were significantly decreased, ci was increased by shading. so far as curve of light response, seedlings of 2 tree species represented higher photosynthetic capability under shading treatments in the ranges of low light

    和對照的全光照處理相比,遮蔭處理顯著地降低了多脈青岡和金葉含笑的蒸騰速率、氣孔導度、水分利用率和光飽和點,細胞間隙co _ 2濃度在遮蔭條件下顯著上升。
  9. T. media cv. hicksii seedling hi natural light has higher content of bound - water and water saturation deficit, bigger transpiration rate, and lower relative water content, stronger ability of fighting loss water than that in shading light intensity conditions

    自然光照條件下生長的曼地亞紅豆杉幼苗蒸騰速率較大,葉片相對含水量較低,水分飽和虧缺值較大,束縛水含量較高,抗脫水能力最強。
  10. Laser beam is the perfect light source with high saturation, high precision and high power, to explore the printing paper

    而激光以其特有的高飽和度、高精準度、高能量等優點,成為理想的曝光光源。
  11. However, a new method is brought forward when dealing with alternating components of emitting light in reflectance detection, which entirely reflect the concentration of oxy - hemoglobin and deoxy - hemoglobin in blood, to improve the system sensitivity on oxygen saturation alternation. the new method is an innovative reference to reflectance oxygen saturation detection

    在對檢測到的完全反應血液中氧合血紅蛋白和脫氧血紅蛋白含量變化的脈動分量的處理上,由於透射檢測中的處理方法用於反射時靈敏度降低,論文中提出了一種新的能更靈敏反應血氧變化的參量作為確定血氧飽和度的依據。
  12. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。
  13. It is very important work for exploration to identify and evaluate oil layer, water layer, or gas layer from reservoir, and it is difficult for petroleum scientists to identify and evaluate light oil, whose color is weak, oiliness is light, volatility is strong, hydrocarbon saturation is low and fluorescence will disappear after a stretch

    油氣水層的識別與評價是勘探工作的重要環節,其中輕質油層的識別與評價是油水層識別與評價的難點。輕質油在常溫常壓下含油顏色淺、油質輕、易揮發、含油級別較低、時間略長熒光普照顏色無,容易漏失,進而漏算儲量。
  14. This system based on optical effects is greatly superior to the traditional electromagnetic pt, ct in the following aspects : electric insulation of the low voltage side from the high voltage side through optic fiber, no electrical connection and electromagnetic interference in signal transmission, avoidance of magnetic saturation, small in volume and light in weight. it has a prospective future in the electric power system

    基於光學原理的光纖電流、電壓傳感器較傳統的電磁式pt 、 ct具有明顯的優勢:高、低壓側通過光纖隔離使得信號傳輸既無電氣連接又無電磁干擾,絕緣能力強且無磁飽和問題,體積小重量輕,在電力系統有較好的應用前景。
  15. Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively

    其次,由於一直以來藍光oled器件的研究處于相對落後的狀態,其發光亮度、效率、穩定性和色純度都無法綠光器件相比,所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 )研究了雙異質型藍光oled器件,由於本研究引入了空穴阻擋層,使得載流子的復合和激子的擴散被限定在發光層內,器件的發光效率達到了1 . 90lm / w ,最大亮度達到了10000cd / m2 ,比傳統結構器件的效率和亮度提高了約一個數量級; 2 )制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件,研究發現,當改變各有機層厚度時,器件的電致發光光譜發生了從綠光到藍光的移動。
  16. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。
  17. 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。
  18. Experimental study on that 1064nm 、 1319nm cw laser irradiate the visible light linear array ccd respectively. with the data of experiment, the thresholds of laser power density that make the ccd saturation, crosstalk and thermal saturation were calculated

    通過實驗獲得了1064nm連續激光使ccd成像系統光飽和、串擾、熱飽和的功率密度閾值;分析了線陣ccd的橫向光飽和效應;初步證實了可見光ccd對1319nm激光的不響應特性。
  19. Moreover, the saturation characteristic of raman fiber amplifier is also one of the important parameters and the total power of signal light input into the fiber is limited by it

    另外,飽和特性也是光放大器的重要指標之一,它限制了可以輸入光纖的總信號光功率。
  20. In natural light intensity condition, the content of aba is the highest, but the contents of ga, iaa, zrs reduce, which is adaptive to the state of its higher transpiration rate, lower content of relative water and bigger water saturation deficit. one - layer shading enhances the contents of iaa, ga and zrs, which is consistent to its growth condition

    自然光照條件下生長的曼地亞紅旱杉aba含量最高, iaa 、 zrs 、 ga含量較低,這與其蒸騰速率較大,植株含水量較低,水分飽和虧缺較大相適應;一層遮蔭提高了iaa 、 ga 、 zrs含量,這與其生長狀況相一致。
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