透射強度 的英文怎麼說
中文拼音 [tòushèqiángdù]
透射強度
英文
intensity in transmission-
The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light.
分子的消光系數等於入射光和透射光強度對數的比。E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat
與共振情況(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致)相比,非共振條件(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差)一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序,實現了對固體浸沒透鏡光存儲系統的數值模擬;著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性;分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch
利用所得到的w o型澱粉微乳液作為微型反應器,以環氧氯丙烷為交聯劑制備出澱粉納米粒,並藉助透射電鏡的表徵研究了各制備因素的影響,研究結果表明:澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界面強度控制,而影響界面強度的因素主要是r值(即水與表面活性劑的摩爾比值)及澱粉液濃度。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。The composition of sample was identified by means of x - ray diffractometer ( xrd ). magnetic properties were measured by vibrating sample magnetometer ( vsm ). the combustion behavior and crystallization process of the gel were studied by means of differential thermal analysis - thermogravimetric analysis ( dta - tg )
利用x射線衍射儀( xrd )確定樣品物相,振動樣品磁強計( vsm )進行磁性測量,綜合熱分析儀研究凝膠的燃燒和析晶過程,掃描電子顯微鏡( sem )和透射電子顯微鏡( tem )觀察粉末的形貌與粒度。Kapton is used extensively on spacecraft primarily as flexible substrates for lightweight, high - power solar arrays because of its inherent strength, temperature stability, excellent insulation properties, ultraviolet ( uv ) stability and infrared ( ir ) transparency. however, polymeric material undergoes severe degration after being exposured on atomic oxygen ( ao ) in low earth oribit ( leo )
聚合物kapton由於具有較高的比強度,優越的熱穩定性、絕緣性、紫外線輻射穩定性及紅外線穿透功能,是航天飛行器常用的材料,但由於空間環境中的原子氧對這種材料造成極大的損害,大大限制了這種材料在空間環境下服役時間。On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。The maximum of instantaneous global radiation is beyond 1000w / m2 and the ten - days average intensity is 338. 90w / m2 because of high atmospheric transparency over semi - arid rainfed agriculture region of loess plateau between june and august. global radiation, reflected global radiation and surface long wave radiation emerge the characteristic of daily variations on a typical clear day and cloudy day, whereas atmospheric long wave radiation has not this characteristic. meanwhile, net radiation, latent heat flux sensible heat flux and soil heat flux appear the same characteristic as the mean daily variations above spring wheat field and bare soil on a typical clear day and cloudy day
黃土高原半乾旱雨養農業區夏秋季大氣透明度較高,晴天地面的總輻射值最大瞬時值均超過1000w m ~ 2 , 6 8月總輻射旬平均強度為338 . 90w m ~ 2 ;典型晴天和陰天總輻射、反射輻射、地表長波輻射均表現出明顯的日變化特徵,而雨天沒有明顯的日循環規律;無論是晴天、陰天還是雨天,大氣長波輻射基本沒有明顯的日變化規律。Through optical analysis, it indicates that scattering of micro - inclusions in the sapphire to light reduces the intensities of transmitted and internal reflected light, resulting in decreasing in transparency and brilliance of colour
用光學理論分析表明,藍寶石包裹體對光的散射作用使寶石的透射光和內反射光強度減弱,從而降低了寶石的透明度和顏色明度。On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers
結合物理學的基本原理和幾何光學的基本規律以及光度學的基礎理論等三方面,研究了單纖維在平行均勻光束垂軸入射時的光學性質.分析了單纖維反光和透光的特徵,光強分佈及反射光、透射光和散射光的相對大小;討論了在近場和遠場條件下,漫反射光和透射光光強的不同規律;通過實驗驗證了遠場時,纖維的漫射光強度與纖維直徑成正比的關系The results of computer simulation show that both the radius of disk and the depth of focal length decrease as increasing incidence wavelength, meanwhile, the intensity of disk is enhanced
數值計算了圓形透鏡的色散,結果表明:焦斑的半徑和焦深隨入射波長的變大而減小,光斑的強度隨入射波長的變大而增強。The explosive welding specimen were also annealed in vacuum at various elevated temperature from 1000 to 1300. optic microscope, sem, tem and eds ( electron diffraction scattering ) techniques are applied to observe the microstructure and the element profiles of the welding interface and the interdiffused layer, reveal the interdiffused performance of alloy elements at elevated temperature, and analyze the structure and composition of the precipitated phases. moreover, the tensile strength of welding line with the two different techniques and various welding parameters were carried out
採用金相、掃描電鏡、透射電鏡、能譜等多種實驗手段對焊接結合層的微觀組織結構、高溫下nb - 1zr與不銹鋼合金元素的互擴散行為,形成的互擴散層的成分、金相組織和擴散層中的析出相的相組成和相結構等,都進行了較為詳細的分析,並且對在不同工藝、不同焊接參數下焊接的nb - 1zr合金和不銹鋼的焊縫做了強度實驗研究。Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads
關于預制裂紋系對巖石破裂的影響,集中討論了:空障礙體構造不能阻止主裂紋的擴展,反而會使巖石的破裂強度降低近一個量級;由於構造的不同,非穿透切口樣品和穿透切口樣品的聲發射空間分佈特點有本質區別,穿透切口樣品的微破裂在切口兩端發育,而非穿透切口樣品的微破裂在切口兩端之間切口前緣處發育,這用三維破裂理論可以很好地解釋;含共線構造的巖石,裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似,裂紋內端聲發射有密集分佈,在應力達到一定水平時,內端部發生錯斷,而不是貫通。A series of static and fatigue experiments which include lots of specimens are performed on bolted composite laminates that include different sizes, different lay orientations and different torques. dye - enhanced x - radiography is used to check the progressive damage process as evaluation techniques, which can be made nondestructively. finally, the ultimate strength and fatigue life of composite bolted joints in static tension and
層合板接頭的試驗研究考慮了多種幾何尺寸、多種鋪層及不同擰緊力矩對其靜強度及疲勞性能的影響,同時使用滲透劑增強的x射線圖象技術對靜載和疲勞損傷擴展及累積過程進行了無損檢測,並對其進行了分析探討。In the section 2, firstly based on the diffusion approximation theory, the temporal characteristics of the reflectance and the transmittance were theoretically analyzed in turbid tissues ; secondly, the curves were simulated that the intensity and the pulse shape of the time resolved reflectance and transmittance versus the absorption a, the scattering s and the anisotropy coefficient g in two different boundary conditions : semi - infinite turbid media and homogeneous slab ; at last, the optical properties can be derived from the curves ; in the section 3, the conditions of ultra short laser pulses of different pulse - width and shapes has been theoretical analyzed and calculated, besides, the simulated the curves of the intensity and pulse shapes of the reflectance and transmittance in a homogeneous slab are obtained for use and future studying
第二章中首先根據漫射近似理論對超短脈沖在以生物組織為典型的混濁介質中傳輸進行了理論分析,然後對兩種邊界條件下產生的漫反射、漫透射光脈沖強度和形狀隨各光學特性參數的變化情況進行了數值模擬,最後得到了混濁介質的光學特性參數與漫反射、透射脈沖強度與形狀的關系曲線。第三章對不同形狀和脈寬的脈沖光源入射到混濁介質中產生的漫反射、漫透射脈沖的強度和形狀進行了理論分析和數值模擬,並將高斯脈沖與方波脈沖情況進行了對比,得到了各種情況的漫反射、漫透射脈沖強度、形狀與各光學特性參數的關系曲線,這對從分析脈沖形狀中提取介質的光學特性參數的信息有重要的意義。The various medium parameters have different influence on the reflection of the laser pulse. based on the diffusion approximation theory, the boundary condition of semi - infinite homogeneous media, the influence of the absorption a, the scattering s and the anisotropy coefficient g on the ultra short laser pulse of different pulse - width and shapes has been researched
論文對超短脈沖在混濁介質中的傳輸進行了理論分析和數值模擬,並在不同脈寬的高斯脈沖和方波脈沖入射到混濁介質的漫反射、漫透射脈沖強度和形狀進行了理論分析和數值模擬,得到了它們與各光學特性參數的關系曲線。Morphology investigation of bi - axially self - reinforced high density polyethylene by transmission electron microscope
雙向自增強高密度聚乙烯結晶形態的透射電鏡研究This formula shows the change of the light transmission with the continuous change of incident angle and azimuth angle of incident light, and the refractive index of the glue and thickness of the glued layer of the prisms. the effect of wavelength is also studied
解釋了激光偏光棱鏡的光強透射比隨光線的人射角、方位角、膠合層介質的折射率及膠合層的厚度的變化關系,還討論了人射波長的影響。Testing method on transmittance, reflectance and emittance of flat glasses and evaluation of solar heat gain coefficient
平面玻璃的透射率反射率輻射強度的試驗方法和太陽輻射增熱數值的評估分享友人