均勻散射體 的英文怎麼說
中文拼音 [jūnyúnsǎnshètǐ]
均勻散射體
英文
uniform diffuser- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 勻 : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
- 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
- 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) ...
- 體 : 體構詞成分。
- 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
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The size of the particles disperses uniform as well as narrow ( obtained by reverse micelle method in the system of aot / iso - octane / water and trion x - 100 / caprylic alcohol / cyclohexane / water )
通過透射電子顯微鏡觀測到兩種體系合成出的粒子粒徑在5nm左右,且粒子呈單分散,粒徑分佈均勻。The tem analysis of pa6 composites shows that optimal incorporation of nano - al2o3 into pa6 is at 10 phr of nano - al2o3, and that fillers can equably disperse in matrix
另一方面,透射電鏡分析表明,添加量為10phr的試樣中納米a12o3粒子可以在尼龍6基體中均勻的分散。First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given
由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的有關方法,包括各種(夾雜)邊界條件下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。Low frequency micro - vibration causes the micro - fluid to produce uniform dispersion and injection which carried out a hydrophobization treatment on the inner wall of micro - nozzle, thus eliminated the spontaneous flowing of micro - fluid inside the micro - nozzle due to wet ting effect so as to let the micro - injection be provided with a digitalized and volume controllable character
壓電陶瓷低頻微振動使得微流體產生均勻的離散和噴射;對微噴嘴內壁進行疏水化處理,從而消除微流體由於濕潤作用在微噴嘴內部的自發性流動,使得微噴射具有數字化量可控的特徵。The result of transmission electron microscope ( tem ) showed that layers of layered silicates were exfoliated and dispersed in matrix homogeneously. according to statistical data, average thickness of layers was lonm, and the thickness of the biggest layers was less than 40nm, only a few layers were exfoliated in monolayer whose thickness was about inm
透射電子顯微鏡( tem )照片顯示:層狀硅酸鹽片層發生剝離,片層均勻分散在nbr基體中,統計表明片層的平均厚度約為10nm ,最大的聚集體的片層厚度達到40nm ,推斷有一小部分片層剝離成單晶層的形式,厚度為1nm 。Following a discussion on the application of seismic techniques to the budunhua copper deposit in inner mongolia as well as the achievements gained, the paper points out that the ore - controlling structure can be detected by using reflection events, and the heterogeneuos bodies related to orebodies might be studied by utilizing high - frequency irregular scattering waves
在對內蒙古布敦花銅礦勘查中的地震方法技術及取得的成果討論后指出,利用反射同相軸可研究測區的控礦構造,利用高頻不規則散射波可研究與礦體有關的非均勻體。The test results have showed that the w - cu powder produced by the homogeneous precipitation process has a near spherical shape, a particle size ranging from 50 to 200nm and a uniform distribution of w and cu gradients
研究結果表明,均相沉澱法制備的w - 30wt . cu復合粉末顆粒明顯呈球狀, w 、 cu組分呈均勻、彌散分佈,透射電鏡觀測顯示其粒徑范圍在50 - 200nm之間,為超細粉體。A new study of specially spherical - glowing optical fiber is present in this paper, a large core silica optical fiber is melt the ball and is spread all scattering body evenly on the round spherical terminal surface, which is melt the ball to the spherical terminal surface again, thus getting the output optical fiber needed. 4. designing the system of testing the specially spherical - glowing optical fiber
3 .設計研製了一種特殊球形輸出光纖,實驗中採用大芯徑石英光纖,利用光纖熔接機對石英光纖端面進行熔球,在圓球形端面上均勻塗上光散射體,對所得的球形端面再次進行熔球,從而得到所需要的輸出光纖。This thesis discusses maslov ' s method, wavelet transform and their applications to asymptotic evaluation of wave equations in high frequency fields. the method of solving wave equations in caustic domain by symplectic geometrical theory, and the method of simplifying two - dimension wave equations in slowly varying nonhomogeneous medium by wavelet - transform theory are proposed. the caustics phenomena of electromagnetic wave propagation in concave reflector, the singularities of caustics, and the method of computing wave fields in and far away from the caustics in concave reflector are also discussed
本論文探討了maslov方法在波動方程高頻近似中的應用及焦散區的具體求解方法;討論了用小波變換化簡二維非均勻緩變介質條件下的波動方程;本文還討論了凹面反射的焦散現象、凹面反射焦散區的奇性種類,討論了二、三維凹面反射波動場非焦散區、焦散區的計算方法。Tem micrographs show that the nano - sized powder is dispersing and the size is uniformity with a distribution of 10 - 20nm ( nio ) and 5 - 10nm ( zno )
粉體的透射掃描電子顯微鏡照片顯示,粉體的分散性好、粒徑分佈均勻,平均粒徑nio為10 - 20nm , zno為5 - 10nm 。This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4
本論文以量子結構自組裝為出發點,提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首次合成了非晶zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,非晶zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價值的深紫外發光材料;利用非晶zno的亞穩特性,對晶化過程中非晶zno納米晶zno三維受限量子結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量子結構的自組裝;利用非晶zno的高度分散性,容易均勻成膜特性,實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。Tem images revealed that a carbon encapsulated core / shell structure was formed in the composites, which could ensure good dispersion of carbon nanoparticles within pmma matrix
透射電鏡結果表明納米碳可與聚甲基丙烯酸甲酯形成核殼結構,使得納米碳均勻分散於聚合物基體中。The material ways are to model the honeycomb wall as an impredence surface, to express the infinite honeycomb by using periodic green ' s function, and using method of moment to establish the mathematic model, in applying the methods of moments, we choose the roof function as basic function and choose the razor function as test function ; by equating the incident field to sum of the scattering field and impledance field ; we will set up the integral equation for the surface current, solving it by mom equation. then gain it ' s reflected coefficient ' s numerical result. and we propose first the definition of the equivalent electromagnetic parameters and present a method to calculate them from the gained reflection coefficient
具體方法就是將浸漬吸收劑的蜂窩壁用表面阻抗表示,將無限大的周期結構的電場用周期格林函數來表示,選取有耗蜂窩結構中具有代表性的基本計算單元應用矩量法建立數學模型,在運用矩量法時用屋頂函數作為基函數,刀片函數作為檢驗函數,根據蜂窩壁表面電場必須滿足入射電場等於散射電場和阻抗電場之和的規律,推導表面電場積分方程,求解蜂窩結構的表面電流,利用蜂窩的周期規律得到無限大均勻周期陣列的散射電場。In addition, the effective combination technologies of ultrasonic, microwave, alternating current deposition, supercritical fluid drying with traditional liquid methods is the most promising one to prepare high purity, small size and well - proportioned dispersing nano - particles
而超聲技術、微波輻射技術、交流電沉積技術、超臨界流體乾燥技術、非水溶劑水熱技術等新技術與傳統液相法的有機結合,是制備高純度、小粒徑、均勻分散的金屬氧化物納米粉體的最有前途的方法。Phase composition of nanometer tio2 is analyzed by x - ray diffraction, granule size and appearance of nanometer tio2 are analyzed by scanning electron microscope and transmission electron microscope, so we modified the conditions of experiment and obtained even and dispersive nanometer grade rutile tio2 powder that is spheric or oval - shaped
通過x射線衍射、掃描電子顯微鏡、透射電子顯微鏡和原子吸收等檢測分析研究,改進制備工藝條件,合成了粒度較均勻、分散性較好的球形或橢球形金紅石型納米級tio _ 2粉體。Scattering of plane electromagnetic wave from anisotropic inhomogeneous plasma cylinder
平面電磁波在磁化分層不均勻等離子體圓柱上的散射研究Utilizing the transmitted electronic microscope ( tem ), we can observe that particles disperse uniformly and some of them congregate
用透射電子顯微鏡( tem )觀察到:微粒在磁性液體中均勻分散,有少數微粒形成聚集體。Then, base on the determine channel modeling methods, we present a frequency - selective mimo fading channel with von mises probability density function, which is used to characterize non - uniform angle - of - arrival caused by non - isotropic scattering. then we analyze partial cross correlation function of proposed model and proved the model theoretically
然後,通過對其它多入多出通道模型的分析和對比,並基於確定性通道建模方法,建立了一種通用的頻率選擇性多入多出衰落通道模型,藉助「 vonmises 」概率密度函數,以描述非均勻散射體導致的非均勻本地來波方向分佈。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