amplification of light 中文意思是什麼

amplification of light 解釋
光放大
  • amplification : n. 1. 擴大；擴充。2. 【電學】增幅，放大（率）。3. （聲明等的）補充材料。
  • 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 chapter 5, we make numerical calculation, then analyze the properties of the population distribution, the gain, the coherence term and population difference, and validate the transient light amplification mechanism of this system

    第五章我們根據數值計算結果分析了粒子數分佈、增益、相干項和粒子數差的瞬態演化過程，驗證了系統產生增益的機制。
  2. Stray light generated in multi - pass amplification forms a lot of ghost images, which not only seriously influence the laser beam quality and propagation properties, but also damage the optical component

    多程放大激光裝置系統內產生的多個鬼像將嚴重影響光束質量和傳輸特性，並可能對系統中關鍵元件造成損傷。
  3. From three - wave coupling equations, the optimal crystal length, conversion efficiency and parametric light pulse width are computed numerically when clbo is used in picosecond optical parametric amplification. the results present that clbo are suited for optical parametric amplification in short wave band. in order to get higher conversion efficiency, the crystal length should be optimized according to the intensities of pump and signal waves

    從三波耦合方程出發，對clbo用於皮秒級光參量放大時，最佳晶體長度、轉換效率和參量光的脈沖寬度進行了理論分析和數值模擬，結果表明clbo晶體適合在短波范圍作光參量放大，為達到高的轉換效率和窄脈寬的信號光輸出，泵浦光和初始入射信號光的強度應根據晶體長度取最優化值。
  4. In this construct, hf2 dna should be expressed under the control of the camv 35s promoter. the construct was transformed to petunia hybrida of the light pink via agrobacterium tumefaciens eh a105 using the leaf disc method. in the end, three transgenetic plants were obtained by screening with the phosphinothricin resistance and pcr amplification

    通過三親交配將重組質粒pc3301 - hf2導入根癌農桿菌eha105 ，抗性篩選、 pcr檢測及dna點雜交表明轉化后的農桿菌帶有完整目的基因片段，能夠用於轉化植物。
  5. 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。
  6. Amplification, cloning and sequence analysis of the light chain and the heavy variable region genes of monoclonal anti - idiotypic antibody np30 of schistosoma japonicum to amplify and sequence the gene of the heavy chain and the heavy chain of anti - idiotypic monoclonal antibody np30 of schistosoma japonicum

    2 、日本血吸蟲單克隆抗獨特型抗體np30的單鏈抗體kcfv ）對balb c小鼠誘導保護性作用研究為了研究日本血吸蟲抗獨特型抗體np30單鏈抗體作為日本血吸蟲病
  7. The u. c. l. a. researchers matched the scattered light with the pump energy from another laser in a way that created constructive feedback, resulting in a net amplification of light

    加大洛杉磯分校研究人員讓散射光與來自另一具雷射的能量相遇，以產生建設性的反饋，藉此放大光的凈振幅。
  8. The u. c. l. a. research. htmers matched the scattered light with the pump energy from another laser in a way that created constructive feedback, resulting in a net amplification of light

    加大洛杉磯分校研究人員讓散射光與來自另一具雷射的能量相遇，以產生建設性的反饋，藉此放大光的凈振幅。
  9. In 1958, professor townes and dr. a. l. schawlow showed theoretically that masers could be made to operate in the optical and infrared region and this work resulted in their joint paper on optical and infrared masers, or lasers ( light amplification by stimulated emission of radiation )

    一九五八年，湯斯教授和邵盧博士（ arthurl . schawlow ）在理論上證明maser在可見光和紅外線的范圍亦可運作，並共同發表關于可見光和紅外線激射放大器，亦即laser （ lightamplificationbysimulatedemissionofradiation ）的論文。
  10. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例閥的類型、功能、特性，並針對其不足提出新的改進方案，即：以流量放大，電反饋兩個原理為基礎，通過對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍，確定主閥結構、功能特性研究等，提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理，並進一步論述了利用一個比例控制器和一個「電?機械轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。
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