液體光度計 的英文怎麼說
中文拼音 [yètǐguāngdùjì]
液體光度計
英文
hydrophotometer-
In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。Methods : in the dopa liquid medium, c. neoformans of all serotype strains including capsule - deficient strain were incubated and the d value were monitored under various conditions with a bausch and lomb spectronic 20
方法：在含左旋多巴的液體培養液中孵育各種血清型新生隱球菌，分光光度計測定不同條件下液體的d值。The enthalpy change on dsc curve suggests that the transition is one from low - ordered state to a higher - ordered state. a stacking mood that the 4 - trifluoro - methyl - 2, 3, 5, 6 - tetrafluorophenylmserts in between two perylene - macrocycles is confirmed by theoretical quantum calculation, such an insertion effect leads to the inversion of ( 0, 0 ) and ( 0, 1 ) absorption features under low temperature and the dramatic decrease of exciton coupling, which contributes to the spectral similarity in solution and the solid state
量子化學的計算結果支持氟取代的苯環嵌入兩個相鄰的?環之間的分子堆砌方式，使得在常溫到150左右f - ptcdi固體薄膜的紫外-可見吸收光譜的（ 0 ， 0 ）和（ 0 ， 1 ）性狀的強度對比發生「反轉」 ；氟取代苯環的嵌入大大降低激子耦合，使固體吸收光譜性狀與溶液類似。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。The oil loading system and the management of oil bin in the oil - bin area is intensive and the measurement method is under - developed at present time. in order to resolve this problem and realize the automatic management, this thesis analyzed the demands of the system, and then integrated the optical fiber sensing technology, the advanced computer technologies of hardware and software, the technologies of intelligent instrument, auto - control and communication ; finally a distributed and intelligent monitoring system of the automatic oil - loading system was developed. the thesis contains hardware design, software design and communication design
為了解決罐區裝車手動付油與油罐手工檢尺測量勞動強度大，方法落後以及油庫安全性要求非常高的問題，提高油庫自動化和信息化管理水平，本文從監控系統用戶需求與功能分析入手，結合當前飛速發展的光纖傳感技術、計算機軟體、硬體技術、智能儀表技術、自動控制技術和通訊技術，開發了一套用於石化行業的基於光纖傳感技術的集自動付油管理及儲油液位、溫度等安全檢測功能於一體的油罐庫區自動付油管理系統。Aimed at the present status of detecting oil storage fluid, the article advances a method which utilizes the dramatic feature of optical fiber sensor to develop the optical fiber liquid height meter, and to substitute the manual examination means, and supplements the optical fiber liquid overhead alarm equipment, the optical fiber grating temperature sensor, and uses the network technique to build the optical fiber sensing safety supervisory system to realize the intelligent examination of oil - tank area, thereby avoids or decreases occurrence and the risk of accident, and supplies the reliable guarantee for the big - and - middle - sized tank farm safe production
本文針對儲油液位的檢測現狀，提出利用光纖傳感器的特點研製光纖液位計，取代手工檢測的方法，輔以光纖液位高位報警器，光纖溫度傳感器，並應用網路技術構建光纖傳感安全監測系統，實現石油罐區的智能監測，從而避免或減少事故的發生，降低風險，為大中型油庫的安全生產管理提供可靠的保障。本文首先對安全監測系統中的核心硬體? ?光纖液位計的工作原理及特點進行了介紹。Test method for determining the sieving performance of a fluid filter medium employing an aqueous suspension of microspheres and a spectrophometer
用微球體的含水懸浮液體和分光光度計測定液體過濾器篩分性能的測試方法To satisfy the special need, the development of such a multi - purpose photometric and colorimetric instrument is discussed in this paper. in this paper, advantages and disadvantages of available photometric and colorimetric instruments are discussed first. then, a novel instrument is developed, which possesses the following characteristics : utilizing lcd display, flexible keyboard control, integrating capability to perform both photometric and colorimetric measurement so long as the photoelectric detector is changed to another one and corresponding software is performed
本論文研究了以往的光度和色度測量儀的優缺點，設計了利用液晶屏的可視化界面，鍵盤的靈活控制，只要換上不同的光電探頭，啟動不同的測量軟體，就能對光度和色度（如亮度、照度、光通量、色坐標等）進行測量的儀器。The emphasis of this article is studying the influence of the polymer net in the clc to the reflected spectrum. at the same time, under the laboratory condition in possession, a design scheme of manufacturing psct with better planar structure, which needn ’ t orienting and rubbing, is found out by optimizing the craft condition like the species of polymer monomer, the concentration of monomer, the polymerization conditions ( temperature, time, uv light intensity )
本論文的重點是研究膽甾相液晶中聚合物網路對反射譜特性的影響，在實驗室現有的條件下，通過改變聚合物單體材料、聚合物單體濃度及聚合條件（紫外光光強、光照時間、聚合溫度） ，並結合一定的理論指導和實驗現象分析，找出了一種製作具有較好平面取向的psct的設計方案。The sinusoidal gray fringes are simulated by computer and projected on the object by the liquid - crystal light valve in this method, in with the phase - shifting is controlled by computer. then the deformed fringes modulated by object is collected by ccd camera, so optical 3 - d phase measurement for large - scale object can be realized
（ b ）針對目前大尺寸物體光學位相測量輪廓中存在的問題，提出一種用液晶光閥把模擬正弦分佈及多幅有一定相移量的灰度條紋投影到大尺寸三維物體上，通過控制計算機在同一位置進行窗口變換，直接實現相移，進行物體的光學位相三維面形測量。( 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。Company cooperates with german geso company in opening up the distributed optical fiber temperature sensor system （ dts ） and optical - mechanic - electric computer and ebb semaphore detection etc. the dts system is the international high technic product in 20 century 90 years. it can be applied to early fire detection 、 process monitoring 、 leak detection for liquid and gas 、 and finding the malfunction ect
寧波振東光電有限公司與德國geso公司合作開發的分佈光纖溫度傳感器（ dts ）系統是集光、機、電、計算機、弱信號檢測為一體的，是國際上20世紀90年代產業化的高科技產品，可廣泛的應用於火災報警、過程監控、氣體液體的泄漏監測以及故障診斷等方面。This article utilizes uv - vis spectrophotometer to measure color of clear liquids. the method is characterized by speediness, high accuracy, good resolution, low expenditure of samples and wide suitability
摘要本文採用紫外可見分光光度計測定清澈液體的色度，該方法速度快，準確度高，解析度好，而且樣品用量少，並具有廣泛的適用性。Designing photoacoustic imaging system, we have got photoacoustic imaging of body in turbid solution and a heterogeneous object in biological tissue, and analyzing the resolution of imaging. 4
設計了光聲成像系統，對渾濁溶液中的物體和掩埋在豬肉內的異物進行了成像，並分析了成像的解析度。The system is composed of inverse - fourier - transform system, optic fiber sensor and high sensitivity ccd. its software system of signal acquisition and data processing used the platform of virtual instrument labview. we tested system stability and investigated latex particle size from 32nm to 123nm, several phenomenon below have been found : ( 1 ) the experiment result is consistent with the theoretical arithmetic result of the relation between particle size and normalization light scattering energy at the position of 7 ? and 35 ? angle
組建了包括反傅立葉變換系統、光纖傳感器以及高靈敏度ccd的大角度側向光散射信號探測系統，設計了基於虛擬儀器labview平臺的信號採集和數據處理軟體，對系統穩定性和顆粒尺寸從32納米- 123納米的微乳液顆粒球進行了測試研究，發現以下現象： （ 1 ）在與光軸成7和35夾角的位置，歸一化的散射光能量與粒徑大小關系的實驗結果跟理論分析規律完全一致。The company establishes the special bee product examination center and the laboratory, and to develop comprehensive laboratory management system, formulating laboratory standard operating procedure room, purchase including highly effective liquid phase color spectrometer, gas phase color spectrometer, ultraviolet obviously spectrophotometer, elisa analysis, and other food security projects necessary testing equipment. employment has the higher school record and the chemical analysis specialty inspector, the establishment from the sample, receives the type, the examination, the primary data analysis, the result reported arranges integrity test routine which the difference analysis, the recording files away, establishing corporate self ? inspection system products
高原羚蜂業有限公司建立專門的蜂產品檢測中心和實驗室，並制定完善的實驗室管理制度，制定實驗室標準操作規程，購置包括高效液相色譜儀、氣相色譜儀、紫外可見分光光度計、酶聯免疫分析儀等食品安全項目必要的檢測設備，聘用具有較高學歷和化學分析專長的檢驗員，建立從取樣、收樣、檢測、原始數據分析、結果報告到偏差分析、記錄歸檔的完整檢驗程序，從而確立產品的企業自檢體系。分享友人