等光強 的英文怎麼說
中文拼音 [děngguāngqiáng]
等光強
英文
isocandela-
If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g
如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。These leds light sources are not only adjustment and uniformity but also smaller, less expensive, required less power, generated less heat. especially, the pattern of the construct both aggregate and desegregate in design was to realize different light intensity illumination on same biology sample at the same time. the selectivity, work efficiency and experiment veracity have been improve greatly
該系列光源除了具備光強可調、分佈均勻優勢外,還具有波長、波峰寬適宜,以及小巧、價廉、能耗低、發熱少等特點,尤其是該生物光源在設計時採用的單元組裝模式,使得不同強度的光照能夠在同一批生物樣品上實現,大大拓寬了生物實驗的可選擇性,提高了工作效率和實驗準確性。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。It has been shown that when the partially coherent beams propagate in the atmosphere, it may be less affected by turbulence than are fully coherent ones. moreover in laser fusion a highly coherent beam is transformed into a partially coherent beam, for reducing the speckle and for getting more smooth focused spot
例如,部分相干光在大氣中傳輸時所受大氣騷動的影響要比完全相干光小得多;並且部分相干光束具有光強比較均勻,對散斑低靈敏等優點而被應用於激光核聚變等領域。We put forward a scheme that the oil contamination sensor with reference route is applied in this system according to the measuring difficult on incidence light and the influences from oil color and transparency of the oil contamination sensor with single route
本文針對傳統的單光路結構的入射光強測定困難、油液顏色以及透光率影響測量結果等問題,提出了利用帶參考光路的監測方法來解決。Relevant theory is derived and explicit conditions for directly determining the isoclinic parameter in the range of [ 0 - 3i / 2 ] are given. a color camera records five isoclinic images coupled with isochromatics from a plane polariscope with five different settings in white light, respectively
其特點是在白光入射下平面偏振儀光學系統中,用彩色數碼相機採集包括背景光強在內的不同偏振場設置下的五幅彩色圖像,通過運算就可以得到[ 0 ? / 2 ]范圍內的等傾角。The controller can get data acquisition of the voltage, current, light intensity, and temperature expect the seriatim switch
該控制器除了具有逐路切換充電控制功能外,還具有電壓、電流、光強、溫度和風速等實時數據採集功能。The company has wide range of business scope including chemical assistant agents, mechanical manufacture and production of stainless steel bolus with seven series products as follows : stainless steel bolus, brightener, abrading agents, abrading material, chipping liquid, polishing cleaning up machine, abrading machine and more than one hundred kinds of products that provide economical and reliable methods for the cleaning up, polishing, consolidating, burr elimination, rust removing, brightening, edge rounding - off, cleaning, maintenance and anti - rusting, base course electroplating and abrading
本公司集化工助劑、機械製造、不銹鋼丸生產於一體,現有產品有不銹鋼丸、光亮劑、磨液、磨料、切削液、拋丸清理機、研磨機、等七大系列100多個品種,為零件清理、亞光、強化、去毛刺、除銹、光亮拋光、邊緣倒圓、清洗、防護防蝕、電鍍基底和研磨加工等提供經濟和可靠的方法。In the third chapter, basing on light interference theory, we discuss multiple - beam interference and equal thickness interference, which are also the base of our main research
第三章由光的干涉理論出發,討論了多光束干涉和等厚干涉,以此作為探討激光偏光棱鏡光強透射比和光強分佈的理論基礎。In the theoretical description of grazing emission fluorescence, the mode of fluorescence intensity emitted from layered materials dependence of grazing angle is established by applying asymptotic approximations to double fourier integrals, and the theoretic calculation formula of fluorescence intensity from a thin layer is derived. by the derived expressions, the theoretic simulation curves of several thin layers on si substrate are calculated. in the experimental setup, the requirement of construction of the setup and some important parameters are brought forward
最後,利用平穩位相方法建立了掠出射情況下薄層樣品產生的熒光強度和掠出射角的對應關系數學模型,推導了薄層樣品熒光強度理論計算公式,並以此為依據模擬計算得出了cr 、 fe 、 ti和ni等幾種以si作基底的單層薄膜樣品的熒光強度隨掠出射角變化的理論曲線。( 2 ) based on the propagation equation of fgbs passing through unapertured paraxial abcd optical systems, the similar transformation conditions are obtained for the first time, which is expressed as that two fgbs with the same beam order have similar intensity distributions at the two positions of equal generalized fresnel number when they propagate through two ajb, cjdi ( i = l, 2 ) systems. furthermore, a comparison between a fob and a sgb of the same beam a ^ - factor but different waist widths is performed for the first time
( 2 )通過對作為整體的平頂高斯光束在無光闌限制近軸abcd光學系統中傳輸公式的分析,首次得到了平頂高斯光束的相似變換條件,即階數相同的平頂高斯光束在傳輸矩陣為a _ ib _ ic _ id _ i ( i = 1 , 2 )的兩個光學系統中傳輸時,在菲涅爾數相等的兩個面上具有相似的光強分佈。The system can be used in many fields, such as image processing, light energy distribution measuring, optical instrument and metrical instrument reforming
該系統可用於圖像處理,光強分佈測量,各種光學儀器和觀測計量儀器的自動化智能改造等。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 influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched
應用x射線粉末衍射( xrd ) 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試等綜合實驗手段,較系統地研究了摻雜eu對熒光體y2o2s : eu熒光體的發光光譜、色度和發光強度的影響;研究了不同mg , ti含量對磷光體基質結構性能、發光強度與余輝曲線的影響及其適宜的摻雜濃度;基此,研究了在給定mg , ti含量時,不同eu摻量對磷光體發光強度和余輝的影響規律;從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。Using wavelet - based multi - scale transform to detect infrared target, it is possible to acquire modulus image to segment citrus from background under direct sunlight conditions, whereas it is difficulty to identification because of the confusion of the reflected light from leaves under backlighting. the method is very sensitive to the ambient air condition, such as in condition b or c, the identification is very difficult
用該方法可以較好地識別順光條件下採集的紅外熱圖像中的果實,而在背光條件下,由於位於樹冠邊緣的樹葉反射光較強或穿過樹冠的光使周圍的樹葉光反射較強,使果實在紅外熱圖像中的溫度或灰度低於反射光強的樹葉等部分,則不能識別。It was a momentous occasion marked with many vips including : legendary composers pham duy, thu ho, singer le uyen, artist duy quang, artist duy cuong, artists and radio hosts quoc thai and quynh huong, professor an van tran, actress mai phuong, artist phuong vu, lawyer cuong quang le, former mayor of westminster, cathy bucoz, reverend minh quang tran, and many more. right legendary composer pham duy
眾多貴賓的光臨,使場面增色不少,其中包括:傳奇作曲家范維秋湖歌唱家黎鴛藝術家維光維強藝術家兼電臺主持人國泰及瓊香陳文恩教授女演員梅芳藝術工作者鳳舞律師黎光強前西敏市市長凱西布科斯陳光明牧師等人。The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity
在分析點光源激勵聲表面波機理的基礎上,求出了線光源激勵的超聲振動的位移表達式,發現線光源激勵的近場區表面波具有波形好,信噪比高,指向性好,幅度強等特點。通過理論推導,得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比,並與入射角和散射角有關;適當減小cfpi的帶寬,增加腔長,增大鏡面反射率,或者減小檢測入射角都可以提高系統的信噪比。Optical microcavity arouses great interest in condensed state physics. it can change characters of spontaneous emission, such as spectral full width at half - maximum, light intensity at peak and so on
光學微腔是目前凝聚態物理的研究熱點,它能夠改變自發發射的特性(譜線寬度、發光強度等) 。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,以放電光譜特徵譜線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、吸收系數等光學參數的變化,從而達到在制膜過程中,對薄膜的成分、厚度等參數進行在線監控的目的Curve traced on an imaginary sphere with the source at its center and joining all the points corresponding to those directions in which the luminous intensity is the same, or a plane projection of this curve
在一個以光源為圓心的虛擬的球面上,將光源射向球體上光強相同的各方向的點用線連接起來,就成為等光強曲線。分享友人