efficiency of light 中文意思是什麼

efficiency of light 解釋
光效率
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  • of : OF =Old French 古法語。
  • 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...
  1. In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays

    本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體,研究了在四倍體刺槐高頻再生體系的建立過程中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響;然後在得到高頻再生體系的基礎上,通過農桿菌介導法轉化甜菜堿醛脫氫酶( badh )基因,以gus染色組織分析為依據探討了影響轉化效率的各種因素,建立了高效、可重復的基因轉化體系,為四倍體刺槐目的基因的導入打下了基礎。
  2. The quantity of increased leaf efficiency contributed to the aboveground biomass gain after defoliated are different at different irradiance. at the initial stage, the increased leaf efficiency of defoliated plants contributed more to biomass increment of aboveground under higher light level than those under lower irradiance. as the treatment time extended, the contribution to growth of increased leaf efficiency of plants under intermediate light level went beyond those under full irradiancy

    ( 2 )葉受損的植株葉效率顯著高於未受損植株;光照強度越高,植株的葉效率越高;受損植株增加的葉效率在不同光照條件下對生長的貢獻大小不同,處理初期,全光照下葉損失植株增加葉效率對地上部分的生物量增加貢獻大於中度光照,大於低光照下植株,隨處理時間的延長,中度光照下的植株增加葉效率對生長的貢獻逐漸超過了全光照下植株。
  3. Moreover, it sheds light on the free rider problems. then it proposes some suggestions to solve these issues respectively, such as signaling mechanism, screen mechanism and incentive mechanism. it is proved that good reputation and broad network can improve the efficiency of syndication

    然後針對這些問題提出了相應的解決措施:如通過信息傳遞機制、激勵機制解決聯合投資中存在的逆向選擇與道德風險問題,並證明良好的聲譽和廣泛的關系網路可以提高聯合投資的效率。
  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. However, the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution

    採用相應調制方式的ic品種繁多,各有千秋。但pwm在輕載時效率較低,而pfm由於頻譜分佈隨機,不利於后續濾波器的設計。
  6. After the stolon had suffered from severing disturbance, clonal ramets could keep photosynthetic organ from being damaged through the plastic responses of the chlorophyll fluorescence traits, such as increasing nonphotochemical quenching of chlorophyll fluorescence ( npq ), decreasing actual photochemical efficiency of ps ii in the light ( f / fm " ) and photochemical electron transport rate ( etr ). moreover, the clonal ramets could also increase water use efficiency by means of decreasing stomatal conductance

    在匍匐莖受到切斷干擾后,臭柏能通過提高非光化學猝滅( npq ) 、降低ps實際光化學量子產量( f fm 』 )和表觀光合電子傳遞速率( etr )等葉綠素熒光特性的可塑性反應來保護小枝光合機構不被破壞,並且可以降低氣孔導度以提高水分利用效率。
  7. Our company adopts the metal honeycomb or the metal network board carrier, with special coating coating technology and processing technology, prepare different forms, the all kinds of catalysiseses of specification, used in petrol exhaust. with the characteristic of light in low temp, purification efficiency high and long life etc. main technological schemes as below

    通用汽油機凈化器我公司採用金屬蜂窩或金屬網板載體,通過特殊的塗層塗覆技術及加工工藝,可制備不同形狀規格的各類催化凈化器,用於汽油機的排氣凈化,具有起燃溫度低凈化效率高使用壽命長等特點。
  8. Besides, it is also responsible for the feedback of data on the outdoor operations reports as well as the service of turnover periods for overhauling, standards for drift alarm, time limits for emergent repair, efficiency of energy transfer duration for light emission, etc. 4

    它一方面為航標維護管理提供科學、準確的維護計劃,以減少航標生產的盲目性,提高航標維護的效率和效益,另一方面對航標維護過程進行跟蹤和監控,為航標維護管理人員提供決策和管理的科學依據。
  9. By discussing how to raise the efficiency of change between island - style junctions and in light of the ground blocks and traffic, the author suggests that the layout of metro stations shall be based on the cad three - dimensional model

    摘要探討如何提高地鐵島式車站之間「十字」換乘能力;結合地面建築的交通安排方法,運用cad三維建模,提出了布置方案。
  10. So the base decided to rebuild the system, in the rebutided detect - calibrating system, closing control technique has been adopted and the guiding accuracy has been greatly improved. at the same time, it has adopted multiple parallel light - pipeline scanning technique, and the efficiency of detect - calibrating has remarkably enhanced

    在改造后的檢校系統中,採取了閉環控制,提高了引導精度,同時採用單航路多平行光管的掃描,提高了檢校效率。
  11. At last, the author proposes some suggestions to how to ameliorate our country ’ s system of industrial disputes in light of the theory of dynamic efficiency of system

    對應于上述問題,可以從改善制度動態效率的角度,完善我國勞動爭議處理制度。
  12. At last, the impact of the monolith length, cell density, wall thickness and noble metal dosage on the light - off characteristic and conversion efficiency of three - way catalytic converter are analyzed and could provide a guide for the optimization of three - way catalytic converter

    本文還對載體長度、孔密度、孔道壁厚和催化劑用量對催化轉化器起燃特性和轉化效率的影響進行了分析,為載體參數的優化設計提供了依據。
  13. According to its configuration, the monolith is considered to be a porous media. based on the monolith model and the use of software fluent, the research on the light - off characteristic and conversion efficiency of three - way catalytic converter is processed

    在所建催化轉化器模型的基礎上,根據載體具有分佈細小孔道的特點,將其作為多孔介質處理,利用fluent軟體,對冷起動階段三效催化轉化器的起燃特性和轉化效率作了數值模擬。
  14. ( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst

    ( 9 )進行了催化轉化器與排氣系統的匹配研究,對于催化劑的布置,提出了「分級凈化,逐級推動」的原則;對于載體形式的選擇,提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時,排氣污染物高凈化率與動力性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。
  15. Since polymer light - emitting diodes ( pleds ) were invented, much efforts have been made to improve the brightness and efficiency of its electroluminescence for realizing pled commercial application. we investigated several factors influencing the brightness, efficiency and spectrum characteristics of pleds el, especially focused our attention on the processes of carrier injection, transport, recombination and annihilation factors influencing brightness efficiency of organic electroluminescence ( oel ) in doped single and double - layer pleds

    本文以提高聚合物器件的效率和亮度為目標,提出了提高及b幾種方案,研究了材料性質,器件結構,它們的穩態及瞬態特性及發光機理,特別關注了以兼具電子空穴傳輸能力的分子及摻雜聚合物作成的單雙層摻雜聚合物發光器件中的載流子注入、遷移、復合及湮滅等。
  16. It is recognized that light noise levels can be a health problem, a safety factor, and that excessive noise can decrease the efficiency of the work force and have a general negative effect on the environment

    一個安靜的環境不僅有益於健康,而且能夠提高工作效率和增加安全系數。許多船東,特別是歐美國家的船東,在設計任務書中對船舶艙室噪聲水平提出了嚴格的要求。
  17. Different with the traditional ifog, light beams within mz - ifog transmit along the forward direction, which avoid the kerr effect noise and the interferometric noises brought by the backward scattering and reflecting light. mz - ifog also gains a high using efficiency of light source and a strong output signal. the principle of mz - ifog is analyzed

    與傳統sagnac干涉式光纖陀螺不同,此光纖陀螺結構簡單,兩路光信號採用前向傳輸,避免了後向傳輸光對光源的影響,也避免了後向散射、反射光帶來的相干噪聲以及光學kerr效應噪聲,光功率利用率高,輸出光功率大。
  18. The grade separation works are being carried out to improve the efficiency of light rail and to prepare the system for its new role as a feeder service for west rail at the end of 2003

    架空輕鐵路軌工程主要是提升輕鐵的運作效率,為二零零三年底通車的西鐵提供有效的接駁服務。
  19. This kind of led light have been prove to be having many excellent virtues and was predicted to be having the possibility of leading the lighting industry into a new revolution. for these now and future applications, it is an enormous critically important to design the illumination optics to achieve high flux - transfer efficiency, of light - emitting diode ( led )

    這種方法較之現有的幾何光學和數值分析的方法更適合於對復雜光學結構的求解,所得結果不僅形象且數值解具有一定的精確度,在提高led光學結構設計的目的性和效率上具有優勢,是led封裝光學結構設計的一種有效方法。
  20. Gaas pcss have many advantages over others in response speed, the transfer efficiency of light into electricity and high voltage resistant, especially they can operate in a nonlinear mode with high gain which can reduce the triggering optical energy by 3 - 5 orders of magnitude comparing to the conventional linear mode. this makes it realistically possible to realize the miniaturization, practicality and integration of the system of pcss 。 this paper summarized pre - used ultra - wideband source circuit using pcss, and the exhaustive theoretic analysis of traditional auston circuit and pulse - forming circuit is presented

    Gaas光導開關與si光導開關相比具有響應速度快、傳輸效率高、耐高壓的能力強,尤其是它除可以按常規的線性模式工作以外,還存在一種高增益的非線性工作模式,這種模式可使光導開關導通的光能比常規模式降低3 ~ 5個數量級,從而為光導開關的小型化,實用化,集成化提供了現實的可能性,因而倍受人們的關注。
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