線吸收系數 的英文怎麼說

中文拼音 [xiànshōushǔ]
線吸收系數 英文
linear absorption coefficient
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 動詞1 (把液體、氣體等引入體內) inhale; breathe in; draw 2 (吸收) absorb; suck up 3 (吸引) a...
  • : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Standard test method for ultraviolet absorbance and absorptivity of petroleum products

    石油產品紫外率和的標準試驗方法
  2. The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze

    採用發射光譜儀對進口低溫透明釉進行半定量分析,並用原子光譜儀測定其陶瓷製品的鉛、鎘的溶出量,分析化學成分對鉛、鎘溶出量的影響.結果表明,進口低溫透明釉採用低鉛配方不能解決鉛溶出量的超標問題,只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量,對釉的膨脹、熔融溫度和透明度等性能的影響.分析坯料、釉料的膨脹及其相互關和釉料制備的工藝,研製出優質的1000 1050低溫無鉛透明釉
  3. Carbon monoxide ( co ) is used as a research example. based on the theory and experimental approaches of optical fiber infrared absorption sensing, mathematical model and system design for optical fiber on - line gas measurement are presented

    本文選擇一氧化碳( co )作為被測對象,詳細研究了基於近紅外的光纖傳感的理論和實驗方法,為氣體的光纖在檢測提供完善的學模型和設計統。
  4. Linear absorption coefticient

  5. Based on the theory of geometrical optics, the relationship between the axial force exerted on the micro - sphere particles in the mie scattering field and the main parameters of laser is calculated quantitatively when the absorption is considered. the results not only show the relationship between the axial force and some parameters, that include the absorption coefficient of microscopic particles, the laser wave - length, power and so on, but also are useful for choosing parameters in experiments

    摘要以射光學模型為基礎,對微粒直徑遠大於激光微束的米氏粒子在考慮對光的時軸向力與光源參的關進行了計算,計算結果給出了軸向力與微粒的、波長、激光功率等參的關,為實驗中參的選擇提供了依據。
  6. 3 the distributive dynamics of 95zr absorbed in crucian and the behavioral trait of 95zr in an aquatic ecosystem was studied by using isotope - tracer technology, and the mathematical model was confirmed by application of nonlinear regression method

    3 、研究了卿魚對952 :的和在其體內的分佈動態以及95zr在水生生態統中的行為特性,並運用非性擬合方法建立其學模型。
  7. Cadmium germanium arsenide, cdgeas2, has promising advantage for its attractive nonlinear optical properties in all chalcopyrite semiconductors. it has an extremely high nonlinear coefficient, a wide infrared transparency range, but crystal of cdgeas2 has a strong absorption at 5. 5 m which related to a native acceptor - defect

    砷化鍺鎘晶體( cdgeas2 )是黃銅礦類半導體晶體中綜合性能最優者,其非性光學和遠紅外區透過率很高,但其在中紅外區5 . 5 m有較強的
  8. Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied

    通過時域有限差分法進行值模擬分析,並採用邊界處理同軸軸心奇異點,計算出各種探頭測量相同溶液的反射,根據其測量的靈敏度,選出最優設計;並通過分析所選探頭的各種設計參,如薄膜厚度、內導體伸出長度等的變化對測量結果的影響,找出該探頭各參的最佳范圍,使其具有高度靈敏性,以適用於測量化學反應溶液的介電常
  9. Secondly, the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique, nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds. all the three compounds have self defocusing characters and two photon absorptions. lastly, nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds

    根據實驗曲計算了它們在1064nm下的三階非性折射率和非,三種化合物都具有自聚焦特性,並且在該波長下,三種化合物均具有雙光子,最後,以皮秒脈沖的532nm為激發波長,採用z掃描方法,研究了三種金屬有機化合物的非性折射和非性質,在該波長下三種化合物仍然表現為自聚焦特性,且其為反飽和
  10. In the second section, i. e. chapter two, three and four, firstly, the thermal induced third order nonlinear optical characters of three organometallic complexes ( nil2, cul2, pdl2 ) are studied by the z - scan technique, thermaloptical coefficients of the three compounds excited under different laser wavelengths are calculated the results show that the thermaloptical coefficients are dependent on excitation wavelengths, the absorptions under these wavelengths and molecular structures of these compounds

    第二部分,即論文的第二、三、四章,首先,我們利用連續激光的457 . 5nm 、 488nm 、 514 . 5nm三個波長z掃描方法研究了nil _ 2 、 cul _ 2 、 pdl _ 2三種新型化合物的熱致三階非性光學特性,分別計算了三種化合物在各個波長的熱光。結果表明,其熱光與激發波長、在該波長下的、及化合物結構都有一定關
  11. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml邊界條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天的波束攏很多,並且向前輻射的增益大大提高,與普通天相比,天的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天的方向性達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天的方向性的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天的相應差值減少了約1
  12. The variation of the film composition can be monitored by using the method of spectrum analysis during the film deposition ( for the intensity of the persistent line is proportional to the particle density of the element in the vacuum chamber ). the measurement of the transmission spectrum of the film on a transparent substrate can be used to calculate the film parameters, such as refractive index, extinction coefficient and the thickness of the film. therefore, the combination of the two methods would be helpful to on line monitoring the film constituents and the optical paramenters in the preparation of thin films

    在制備薄膜的過程中,利用光譜分析的方法,以放電光譜特徵譜強度的變化來反映相應物質成分的變化,以連續光譜光源發出的光透射過薄膜的透射率的變化,來反映薄膜的厚度、折射率、等光學參的變化,從而達到在制膜過程中,對薄膜的成分、厚度等參進行在監控的目的
  13. At this point, nc - si solar cell comes with its advantages of broader timescale, lower cost. the broader timescale merit of nc - si solar cell arises from its high absorption of light with wavelength around 300 - 800nm, no matter it is scattered or not, and no matter it is weak or blazing

    在這一點上,非晶硅材料由於對波長在300nm - 800nm之間的光具有更高的,因而有著更長的有效工作時間和更低的成本,不論光是發散光還是平行光,是弱光還是強光,它都能夠予以
  14. The results show that the mass absorption coefficient is nearly exponent decay with the gamma energy, the less energy of gamma ray, the more probability of absorption in the iron sphere

    結果表明,隨著射能量的增加,質量近似呈指d一t中子穿透鐵球伴生y射泄漏能譜實驗研究衰減, y射能量越低,被鐵原子核的幾率越大。
  15. Infrared devices read heat by absorbing infrared light, converting it into a grid of video signals and creating a picture the viewer can see

    紅外探測儀通過紅外感應熱度,將紅外轉變為一列視頻信號,然後形成可視的圖像。夜視技術,九寒冬也適用?
  16. Because of the nonlinear effect caused by flow pattern, oil diameter and absorption coefficient etc, it is difficult to establish the measurement model

    但由於受流型、油泡直徑及等因素的非性影響,使得測量模型難于建立。
  17. Finally, in view of the absorbed po ~ ver of the terminated load and the realizablity of couplers, a proper eclectic distribution of coupling degree of couplers is computed synthetically. 2. a small, light, compact, ~ vide band and high performance h - t coupler with lognitudinal dualslot is presented

    根據天方向圖要求,確定陣面的口徑分佈,在此基礎上,結合慢波終端負載的,以及耦合器耦合量的可實現性,綜合折中考慮,計算選擇出合適的耦合器耦合度分佈。
  18. Linear absorption coefficient

  19. Study on the nonlinear refractive index and the nonlinear absorption coefficient of thin films

    薄膜材料的非性折射率和非研究
  20. The nonlinear absorption coefficient ( b ), the nonlinear refractive coefficient ( n2 ) and the third - order nonlinear susceptibility ( x ( 3 ) ) of three monomers and some polymers were fitted and calculated. the relationship between nonlinear optical properties and molecular structures was discussed

    對它們的非和非性折射進行擬合,計算得到非、折射率n以及三階非x ~ ( 3 ) ,並探討了分子結構和材料性能之間的關
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