部分光通量 的英文怎麼說
中文拼音 [bùfēnguāngtōngliáng]
部分光通量
英文
partial luminous flux- 部 : Ⅰ名詞1 (部分; 部位) part; section; division; region 2 (部門; 機關或組織單位的名稱) unit; mini...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 通 : 通量詞(用於動作)
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 通量 : [物理學] flux; shower
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Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路,對光弱信號進行調制和線性化處理,運用比色法原理對溫度進行檢測.為了便於儀器擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹Tga. insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by termogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜和光纜的絕緣和護套材料.通用試驗方法.第4 - 1部分:聚乙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測量.通過直接燃燒測量聚乙烯中炭黑和或礦物填料含量.通過熱重分析法Fibre - optic communication subsystem test procedures - part 4 - 1 : cable plant and links - multimode fibre - optic cable plant attenuation measurement
光纖通信子系統試驗程序.第4部分:電纜設備和鏈路.多模纖維光纜設備衰減測量Fibre - optic communication subsystem test procedures - part 4 - 1 : cable plant and links ; multimode fibre - optic cable plant attenuation measurement
纖維光學通信子系統試驗程序.第4 - 1部分:光纜設備及鏈接.多模光纜設備的衰減測量It is derived the hamiltonian for the interaction of a - type three - level atom with a two - mode quantum cavity field from the general interaction hamiltonian between a multi - level atom and a multi - mode radiation field, and reduce it into an effective two - mode raman - coupled mode under large detuning condition. it is proposed a modified effective hamiltonian for the two - mode raman - coupled model. it is found the time - dependent state vectors and present validity conditions for the involved interaction hamiltonians. it is shown that in the study of the two - mode raman - coupled model it is not enough to retain only the usually used effective hamiltonian, one must also take into account the ac stark shift of the atomic levels ( at least one of the levels ). finally, it is studied the atomic dynamics in the interaction of a - type three - level atom with a two - mode quantum cavity field and in the two - mode raman - coupled model. it is found that the number of collapse - revivals, the collapse time and the revival time show new characteristics
從多能級原子與多模光場的相互作用哈密頓量出發,導出了型三能級原子與雙模光場的相互作用哈密頓量.在大失諧條件下將其化成等效的二能級形式雙模喇曼耦合模型.提出了該模型的一個改進型等效哈密頓量.該哈密頓量由兩部分構成:一部為通常所謂的等效哈密頓量,另一部分描述原子能級的動態斯塔克移動.研究表明,在雙模喇曼耦合模型的研究中,只考慮前者是不夠的,還必須考慮後者.最後,我們研究了該系統中原子的動力學行為,發現崩塌-復甦的數目、崩塌時間和復甦時間均呈現新的特性Fibre optic communication subsystem basic test procedures. part 2 - 5 : test procedures for digital systems. jitter transfer function measurement
光纖通信子系統基本試驗程序.第2 - 5部分:數字系統的試驗程序.不穩定信號傳輸功能測量Fibre optic communication subsystem basic test procedures - part 2 - 5 : test procedures for digital systems - jitter transfer function measurement
光纖通信亞系統基本試驗過程.第2 - 5部分:數字系統的試驗過程.圖像跳動傳輸功能的測量Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion
文摘:在無線光通信領域,利用非成像光學設計的集中器能夠聚集光輻射能量,而且相對于成像性集中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形集中器的性質進行了分析與研究.對好幾種非成像集中器:半球形集中器,復合拋物線形集中器,介質內部全反射集中器,多表面集中器,多相介質集中器,從設計原理、增益和視場進行比較,並分析其應用場合Fibre optic communication subsystem test procedures - part 2 - 10 : digital systems ; time - resolved chirp and alpha - factor measurement of laser transmitters
纖維光學通信子系統試驗程序.第2 - 10部分:數字系統.激光發射機的時間分辨線性調頻脈沖和因數測量The interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大Abstract : the interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity
文摘:研究了香精與乙烯/醋酸乙烯共聚物粒子之間的界面行為,以便為香型母粒的制備提供必要的理論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手段,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附為物理吸附;香精無法完全潤濕載體粒子表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大Software can also show that the rays are losing flux as they scatter off the bottom diffuse portion of this speedometer needle
軟體也能夠表現如當他們分散擴散在這根里程計針的部分底部時,光亦有一些通量損失了。Fibre optic communication subsystem test procedures - part 2 - 10 : digital systems - time - resolved chirp and alpha - factor measurement of laser transmitters
纖維光學通信子系統試驗程序.第2 - 10部分:數字系統.測量激光發射器的時間分辨激光波長變化和因子Fibre optic communication subsystem test procedures - digital systems - part 2 - 8 : determination of low ber using q - factor measurements
光纖通信子系統基本試驗過程.數字系統.第2 - 8部分:用品質因數測量法測定低位錯率Weeds compete with crops for moisture, nourishment and light, moreover, they are hosts of disease or the place where disease survives in the winter, which influences the output and quality of crops
雜草與農作物競爭水分、養料和光照,影響農作物的產量、品質,還是許多病害的中間寄主或越冬場所,通過除草劑來控制雜草已成為現代化農業不可缺少的一部分。In chapter 4, we discuss the method of vos abstraction based on temporal segmentation in detail. first we put forward affine modal, which is a kind of 3 - d motion modal of rigid body, compensate global motion vector based on this modal, and get the changed detection mask ( cdm ). then we introduce the conception of optical flow field, compute the local
首先構建三維剛體運動的模型,提出一種計算模型的全局運動矢量的方法,並進行全局運動補償、變化檢測模板提取和連通域標記等步驟,然後引入光流場的概念,並介紹其計算原理和方法,用horn - schunck迭代法計算圖像中各點的局部運動矢量,並據此對變化檢測模板的結果進一步提取,獲得時域上分割的信息。Unlike the spf rating, there is no universal standard for rating the level of uv protection in a sunscreen. however, most sunscreens do now carry a star rating, choose one with more stars rather than less
跟防曬指數不同,現時的防曬用品中的紫外光御防保護,沒有一個普遍通用的量度標準,但是大部分防曬用品都會列有星形指標,大家宜選擇星形數目較多的一款。5. otherwise, the applicability of cube comer array in the wide spectrum high power solid - state laser facility was researched as a relatively absolute part in this paper. through simulation, the action of cube corner array to reduce beam ' s focal spot size was testified visibly, and the smoothing effect of beam ' s modulation caused by cube corner array was proved primarily on the wide spectrum condition
另外,作為一部分相對獨立的內容,本文對寬頻帶激光傳輸條件下採用角錐棱鏡陣列抑制低頻波前畸變的設想進行了探索性的研究,通過模擬模擬驗證了角錐棱鏡陣列具有抑制低頻波前畸變、提高激光焦斑能量集中度的顯著作用,並初步驗證了寬頻帶激光傳輸條件下近場振幅高頻調制的勻滑效應。The uv - vis transmission spectra and concentrations of metal ion impurities in different part of dkdp crystal was measured. the results show concentrations of metal ion impurities on the ( 100 ) face is higher than that on the ( 110 ) face and absorption on the ( 100 ) face is bigger than that on the ( 110 ) face
通過測試點狀籽晶生長dkdp晶體不同部分雜質金屬離子的含量和紫外可見透過光譜,結果發現dkdp晶體柱面的雜質金屬離子含量比錐面高,柱面的紫外可見吸收比錐面大。The hardware mainly includes light, image sensor, image collector. the improvement of hardware, which can realize gate control of the 9 cmos by the two - way communication with the computer, and can improve the mtf measurement accuracy of the whole field of view, is introduced in detail
硬體部分主要包括光源、圖像傳感器、圖像採集設備等,並詳細介紹了系統硬體的完善部分,即通過與計算機的雙向通信,實現了9個cmos的選通控制,從而提高全視場mtf的測量精度。分享友人