衍射散射 的英文怎麼說
中文拼音 [yǎnshèsǎnshè]
衍射散射
英文
diffraction scattering- 衍 : [書面語]Ⅰ動詞(開展; 發揮) spread out; develop; amplifyⅡ形容詞(多餘) redundant; superfluousⅢ名...
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
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The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.
光譜儀用了一塊凹面衍射光柵,第一級光譜的色散度為42埃毫米。Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples
基於廣義惠更斯-菲涅爾衍射積分,並考慮了像散的影響,對高斯光束通過像散透鏡后的傳輸特性作了解析研究,以光束傳輸因子和桶中功率為參數分析了像散高斯光束的光束質量,並以數值計算例加以說明。Experimental basis of quantum physics : photoelectric effect, compton scattering, photons, franck - hertz experiment, the bohr atom, electron diffraction, de broglie waves, and wave - particle duality of matter and light
量子物理的實驗基礎:光電效應,康普頓散射,光子,法蘭克-赫茲實驗,波爾原子模型,電子衍射,德布羅意波以及物質與光的波粒二項性。The dispersion caused from the chromatic aberrations of lens is smaller than that from diffraction effects of it
與衍射效應產生的色散相比,透鏡本身的折射率色散很小。The diffraction formula and statistical law of optical fields are used to get the cross - correlation function of intensities of laser speckles of the moved diffuse object
該方法利用光傳播的菲涅爾衍射公式和光場的統計規律,給出散斑場光強在散射體位移前後的高斯光束相關函數的表達式。For example, if the diffraction pattern is defocused by under - focusing the diffraction lens then the image of the specimen can be seen in both the direct and diffracted beams in the diffraction pattern and, since under - focusing the diffraction lens images a plane above the diffraction pattern, these images will not be inverted with respect to the diffraction pattern
比如,如果衍射模型是通過衍射透鏡下焦散焦的,樣本的映像就能在衍射模型中直接的衍射束中看到,但是由於衍射透鏡下焦在衍射模型之上平面成像,這些映像就不會對應衍射模型倒置。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。Here, the spatial distribution of fresnel diffraction field and different talbot effects of sinusoidal grating are presented, under three different illuminating conditions. especially, we discussed some interesting properties about fresnel diffraction field and talbot image, when sinusoidal grating is illuminated by divergent spherical wave
特別地,我們討論了發散球面波照明的情況下,菲涅耳衍射光場和泰伯像所具有的一些有趣的性質,如球面波對光場的放大作用,泰伯效應存在的條件等等。Then, the kirchhoff scalar diffraction theory is used to derive the scatter field of the edo grating and the simulation model is presented
並利用基爾霍夫標量衍射理論導出了edg光柵散射場的公式,建立了對蝕刻衍射光柵的模擬模型。According to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ), the designs of several new instruments, i. e. two cold neutron guides ( cng ), one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ), have been simulated and optimized using monte - carlo simulation softwares, mcstas and vitess, first. requirement on the size of the cold neutron source ( cns ) by cngs has been also studied. the results of this thesis have provided essential data as a basis of the neutron instruments designs
本論文結合當前中國先進研究堆( chinaadvancedresearchreactor , carr )中子散射工程譜儀建設的迫切需要,選擇國際上廣泛使用的通用中子散射譜儀模擬軟體mcstas和vitess作為模擬研究工具,首次對若干臺新建譜儀的設計方案進行了全面的模擬和優化研究,包括兩條冷中子導管、中子應力衍射儀和高分辨中子粉末衍射儀,並配合冷源設計研究了導管對冷源尺寸的要求。The microstructure, structure, composition, phase of joint region, and the microstructure and composition of fracture have been analyzed using the equipment of metallurgical microscope, sem, eds, xrd and binary eutectic phase diagram for the al - cu system and diffusion theory
利用金相顯微鏡、掃描電鏡、能譜儀、 x射線衍射分析儀,結合al - cu二元合金相圖及擴散理論,分析了接頭區域的形貌、組織、成分、相組成,以及斷口形貌、成分。From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing
從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程,即折射率方程和哈密頓-雅可比方程。According to the mean size measurement based on diffraction, we put forward a new method by calculating the ratio of two scattering light intensity at different scattering angle, which can solve the problem caused by the diffraction method
文中根據衍射法求取平均粒度的方法,提出了用兩個不同散射角的散射光強比求取平均粒度的方法,解決了衍射法測平均粒度的缺點。The pulses can be broadening and become negatively chirped while propagating in anomalous dispersive media. in normal dispersive media, the pulses can be broadening, positively or negatively chirped, or even the dispersion - free propagation can be achieved, if the beam and material parameters are suitably chosen
在負色散介質中傳輸時,脈沖會變寬、帶有負惆啾:而在正色散介質中傳輸時,脈沖會變寬、帶有正惆啾或負叨嗽,當光束和色散參數滿足一定條件時能實現「無衍射無色散」傳輸。Based on the theories of non - diffracting imaging system in coherent light, the measurement system of point spread function ( psf ) of non - diffracting imaging system has been presented
摘要在分析相干光照明下無衍射成像系統理論的基礎上,設計了無衍射光成像系統的點擴散函數的測量系統。The human eye is not a perfect optical system, we analyzed the optical factors of affecting the human eye vision quality, such as diffraction on small pupil, the aberration of the eye system, the size of the pupil, illumination arid optical dispertion
摘要人眼作為一種光學器官,存在著一些光學缺陷,從物理學的角度分析了小瞳孔的衍射效應、眼球光學系統的像差、瞳孔尺寸、照明度和光學散射等對人眼視覺質量的影響。Application of laser diffraction and scattering particle detection technology in analyzing particle size of pvc paste resins
激光衍射散射式測粒技術在聚氯乙烯糊樹脂粒徑分析中的應用The vector diffraction theory analysis of chromatic dispersion characteristics of phase grating
位相光柵色散特性的矢量衍射理論分析Modification of particle measurement considering the absorption of particles
激光衍射散射測量法的定量修正The structure of the composites was characterized by x - ray diffraction and transmission - electric microscope. the experimental results showed that the in - situ intercalation realized much finer dispersion of the silicate layers in the pvc matrix than the melt - blending intercalation. as for as the properties of the composites, the well - dispersed organoclay in the composites improved the properties of the materials, especially for the viscat softing temperature
本文主要通過x射線衍射、透射電子顯微鏡對復合材料的結構進行表徵,結果證明:原位插層復合材料中粘土片層基本剝離,均勻的存在於聚氯乙烯樹脂基體中;熔融插層體系中粘土的分散狀態明顯劣於原位插層體系,粘土以一定量片層堆積的形式存在。分享友人