透光度計 的英文怎麼說
中文拼音 [tòuguāngdùjì]
透光度計
英文
densitomefer-
Standard practice for cone penetrometer technology characterization of petroleum contaminated sites with nitrogen laser - induced fluorescence
帶有氮激光感應熒光的石油污染位點的錐形透度計技術特性的標準操作規程Coating ' s transparent and abrasive characters are measured by spectrophotometer and abrasion instrument and sway pole sclerometer. as a result, lacquer ' s abrasion - resistant performance improved 100 % adding 15 % nano - alumina. nano composite coating improved pmma base 2. 75 times
用分光光度計、耐磨儀及擺桿硬度計測定了塗料的透明性和耐磨性,添加15 %的納米al2o3 ,塗膜的耐磨性能提高了100 % ,納米復合塗料對底材有機玻璃的耐磨性能提高了2 . 75倍,可見光透過率在80 %左右。Adamas gemological laboratory in brookline, mass., has developed a spectrophotometer that shines full - spectrum light through a stone and detects specific wavelengths that are absorbed by occasional nitrogen atom clusters, common in natural stones but not in synthetics
美國麻州的愛達瑪斯寶石學實驗室已研發出一臺分光光度計,可發出全光譜的光,穿透寶石后,偵測被氮原子簇吸收的特定波長;氮原子在天然寶石中相當常見,卻是合成寶石所沒有的。The components, microstructure, luminousness, thickness and surface topography of the films were analysised via xrd, uv ? vis, xps, ellipsometric examination and stm. the photocatalytic properties of these fims are characterized by the decomposition rate of methylene blue or rhodamine b. the effect of sputtering power, temperature, o2 mass flow, bias, w - doping and sputtering time on photocatalytic properties are discussed
採用x射線衍射儀、紫外-可見光分光光度計、 x光電子能譜儀、薄膜厚度測試儀及掃描探針顯微鏡等測試手段,研究分析了薄膜的組分、結構、透光率、膜厚和表面形貌等。A sil flying head is designed to keep the distance between sil and recording medium in near - field range. a sil optical data storage system is built up when the recording head is combined with sil flying head. meanwhile, using astigmatic focusing error detection technology and twin optical pick - up heads, a novel nontouching nanometer measurement method is developed to measure the flying height of sil, and provides us with a powerful tool to optimize the design of sil fly head
在sil存儲技術研究方面,首先提出一種光學玻璃熱熔加工製作sil的新方法,該方法克服了小半徑球透鏡加工的難題,成功製作出了半球固體浸沒透鏡;設計了sil飛行頭系統,並利用光學頭像散法聚焦誤差檢測原理,設計出一種雙光學頭sil飛行高度測量方案,實現了sil飛行頭飛行高度的測量。Standard test method for estimating stray radiant power ratio of dispersive spectrophotometers by the opaque filter method
用不透明濾光器評估色散分光光度計雜散輻射功率的標準試驗方法Standard practice for calculation of photometric transmittance and reflectance of materials to solar radiation
材料對太陽能輻射的光度透射比及反射比計算的標準實施規程The transmittance and reflectance spectra of bn films were obtained as a function of incident photon wavelengths, and the thickness of films was measured by alpha - step meter
用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜和反射光譜,用臺階儀測量薄膜的厚度。Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n - type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two - stage deposition process. the films were characterized by fourier transform infrared ( ftir ) spectroscopy. the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha - step. the absorption coefficient was calculated from te ( ) and re ( ). the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg
本文還研究了立方相含量與光學帶隙的關系,在n型si ( 111 )片和熔融石英片上沉積出不同體積分數的立方氮化硼薄膜,薄膜的成分由傅立葉紅外吸收譜標識;用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜te ( )和反射光譜re ( ) ,薄膜的厚度用臺階儀測得。The analytical expressions of reflectance and penetration depth of a light beam transmitted in the back - side - coated chirped mirror are obtained through couple - mode equations with boundary conditions
摘要應用耦合模方程對光波在後端鍍膜啁啾反射鏡中的傳播規律進行分析計算,在分析的過程中加入了邊界條件的影響,推導出後端鍍膜啁啾反射鏡在理想情況下的反射率和穿透深度的解析表達式。In this paper, the property difference of sio2 sols used for preparing thin films by esam method or sol - gel process has been discussed. three kinds of sio2 sols were prepared, catalyzed by hcl or nh3 h2o only, or hcl first and then nh3 h2o respectively ( please note : in following text, the sio2 sol catalyzed by hc1 first and then nh3 h2o and its correspondent films will be named sio2 sol 1 # and film 1 ; the sio2 sol catalyzed by nh3 h2o only and its correspondent films will be named sio2 sol 2 # and film 2 # ). through investigating the assembling properties of the sols, observing thin films " microscopic structure with tem and testing their transmissivity with 721 spectrophotometer, we find that the first kind of sol is not suitable for preparing esam films, but the last two, i. e. sol 1 # and sol 2 #, are good
本文討論了esam法制備薄膜所用的溶膠與sol - gel法所用的溶膠在性能上的區別,在hc1或nh _ ? h _ 2o分別單獨催化和hc1 nh _ 3 ? h _ 2o分步催化三種催化條件下制備了sio _ 2溶膠(以下規定hc1 nh _ 3 ? h _ 2o分步催化的sio _ 2溶膠為1 ~ #溶膠,相應的薄膜為1 ~ #薄膜, nh _ 3 ? h _ 2o催化的sio _ 2溶膠為2 ~ #溶膠、相應的薄膜為2 ~ #薄膜) ,在通過組裝薄膜並用透射電鏡( tem )觀察薄膜微觀結構以及用721分光光度計測試樣品的光透射率,得出了后兩種催化方法所制備的溶膠適合於esam法鍍膜,而第一種溶膠不適于用此法鍍膜的結論,用傅立葉紅外光譜( ft - ir )研究了溶膠組成;用差熱失重分析儀( dta - tg )對膠體進行了熱分析。Uniform and compact plzt and sno _ 2 ceramic targets, which diameter were 212mm and 221mm, respectively, had been successfully fabricated. ( 2 ) a rotating magnetic field rf magnetron sputtering system had been designed and set up, which showed high utilization efficiency of target, high films uniformity, and high deposition rate, etc. ( 3 ) the plzt and sno _ 2 thin films were investigated by afm, xrd, sem, and spectral photometer. the optimized processing parameters of preparing these films had been found
並以此為基礎分別制備了緻密、均勻、平整、直徑為212mm的plzt和221mm的sno _ 2陶瓷濺射靶材; ( 2 )為克服現有磁控濺射設備的不足,提出了一種新的磁控濺射方案,採用該方案的設備具有:靶材利用率高、鍍膜均勻、成膜速度快等特點; ( 3 )運用afm 、 xrd 、 sem以及雙光路分光光度計等分析手段對plzt和sno _ 2薄膜的微結構和性能進行研究,找到了制備plzt電光薄膜和sno2透明電極材料的最佳工藝條件。However, this does not take into account visual comfort ; for comfortable viewing of the sun, a filter with a luminous transmittance of 0. 0003 % ( shade number 14 ) is often preferable
然而,以上的計算並未考慮到觀測時的舒適程度.在考慮舒適程度后,建議使用0 . 0003 %透光率(相當於14號密度)的濾鏡作太陽觀測( 3 ). put forward two structure scheme of opto - electronic deflection measurement sensor, light transmitting with non - mechanical scanning and light reflecting with non - mechanical scanning after compared exisiting methods of liquid level measurement to satify this needafter the comparison, an opto - electronic deflection measurement sensor based on light reflecting with non - mechanical scanning be confirmed. then the concrete design is to carry out, which includes the design of reflective surface, the design of pds ( photo detective subassembly ) ' s bracket, the design of floater and the design of shaking - absorbed accessory. during the process, there are a series of caculations and emulations. at last, the opto - electronic deflection measurement sensor has been designed and produced
比較了現有液位測量方法后提出了能夠滿足大佛寺長江大橋撓度測量要求的基於連通管的光電撓度計的非機械掃描光透射式和非機械掃描光反射式的兩種方案,通過比較確定了非機械掃描光反射式方案。隨后通過對該方案進行具體的零件設計,主要包括反射面的設計, pds (光電接收組件)支架的設計,浮子的設計以及減震零件的設計等等,在設計的過程中包含了一些理論計算和模擬,最終設計和製作了光電撓度計。The specialty of this system lies in the interface for controlling the sub algorithms of rendering pipeline. according to different needs, users can process freely like choosing interpolating and compositing algorithms, choosing viewing direction and manipulating the opacity value etc. ; the design of system is based on independent models, therefore it ' s easy to be extended. for those functions possible applicable in the future can be integrated through pre - defined interfaces in the system
系統的特色在於實現了體繪制演算法各個步驟的控制介面,通過人機交互用戶可以根據需要進行如下操作:選擇插值演算法、合成演算法,選擇觀察角度和阻光度(不透明度)的賦值等:系統的設計是基於模塊的,具有很強的可擴展性,對于未來可能需要實現的功能都可以通過預留的系統介面方便地集成進來。To make a mask for a part of a computer chip, a manufacturer first designs the circuitry pattern on a conveniently large scale and converts it into a pattern of opaque metallic film ( usually chromium ) on a transparent plate ( usually glass or silica )
要做出電腦晶片一部份的光罩,製造者首先在方便操作的大尺度上設計線路,然後把它轉錄到一片透明板(通常是玻璃或矽石)上不透光的金屬薄膜(通常是鉻) 。The resistance of the films has been measured by the method of four feet probe. transmission has been characterized respectively by spectrophotometer. the structure feature has been measured by xrd
用四探針法測量得到薄膜的電阻率,用范德堡實驗方法測量了薄膜的霍爾效應,用分光光度計測量了薄膜的透射光譜。The sols is bright yellow and stable during a month and a half. silver sols are charaterized by a transmission electron microscopy ( tem ) and ultraviolet - visible spectrophotometer ( uv ). the result indicates that the silver particles are approximately spherical and monodispersed with an average diameter of ca. 15nm
溶膠呈亮黃色,貯存一個半月不發生凝聚,並用紫外分光光度計和透射電子顯微鏡對其研究,發現制得的納米ag為球狀粒子,粒徑為15nm 。The transmission spectra and reflectance spectra of the pc shift systematically with the spheres size, providing evidence of photonic crystal effects. photoluminescence measurements show efficient emission of the zno photonic crystals in the uv as well as a defect emission band at longer wavelength
利用透射光譜及反射光譜研究了影響zno光子晶體的光子禁帶的工藝參數;利用x射線衍射儀分析了zno光子晶體的結晶和取向性能;利用熒光分光光度計,研究了不同前處理溫度下的zno光子晶體的光致發光譜。The shimadzu uv - 3101 spectrophotometer was employed to get the uv - visible transmission and reflection spectra. both of the absorption coefficient ( a ) and optical band gap ( eg ) were calculated from the transmission and reflection spectra of the films. it was observed that eg decreased with an increase in the deposition pressure
採用紫外-可見光分光光度計測定了納米- sic薄膜透射光譜和反射光譜,並通過樣品的透射光譜和反射光譜計算了納米- sic薄膜吸收吸收系數和光學帶隙eto實驗結果表明,增大工作氣壓導致納米- sic薄膜的光學帶隙的減小。分享友人