氘灯
- 网络LAMP;deuterium lamp
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选取波长范围200~400nm的氘灯作为光源,利用平面光栅分光系统进行紫外全波段的扫描,得到紫外全波段的吸光度值。
We choose a deuterium lamp with the wavelength from 200 ~ 400nm as the light source , use a flat grate optical splitting system for ultraviolet scanning .
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在此基础上,研制了液氮制冷屏装置来抑制氘灯衰减。
Based on this , a liquid nitrogen cooled screen device is developed to control the radiation degradation of deuterium lamp .
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实例分析表明B-P神经网络用于氘灯辐亮度值预测有较高的拟合和预测精度。
The cases show that such prediction model of radiant brightness values of the deuterium lamps has better precisions of both the fitting and the prediction using B P neural network .
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锐钛矿结构TiO2/glass膜光催化作用的研究Ⅱ&氘灯照射下亚甲基兰光催化分解
Study on photocatalysis decomposition of TiO_2 / glass film anatase structure & photocatalysis decomposition of methane in deuterium light
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B-P神经网络用于氘灯辐亮度值预测
Prediction of radiant brightness values of deuterium lamps using B P neural network
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利用氘灯能发出强紫外辐射的特点,以英国NPL定标过的氘灯作为临时光谱辐亮度标准,来标定我们的工作标准灯组。
A group of deuterium lamps is used as a standard lamp which can emit stronger ultraviolet radiation .
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采用热解涂层石墨管,应用氘灯扣除背景技术,在无任何基体改进剂的条件下,提出连续测定沱江河水中Cu、Pb、Cd、Cr的方法。
The continuous determination of copper , lead , cadmium , chromium in Tuojiang river is described in this paper by using pyrolytic coating graphite tube under the technique of BGC D2 background correction without any other matrix modifiers .
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分析了国内外PDP荧光粉光谱分析系统的基本结构,设计了以30W氘灯为激发光源的真空紫外激发/发射光谱分析系统。
Analyzed essential structure of spectrum analysis system of international , designed VUV excitation with 30W deuterium lamp and emission spectrum analysis system .
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它比氘灯、S-H法和塞曼效应背景校正线路具有更高的灵敏度。
It has a better sensibility and background correction ability than those correctors of D_2 , S-H and Zeeman .
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用合肥800MeV同步辐射光源标定氘灯的光谱辐射亮度
Spectral Radiance Calibration of Deuterium Lamp Utilizing the Hefei 800 MeV Synchrotron Radiation
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采用德国国家物理技术研究院(PTB)的数据处理及不确定度分析方法,得到了两支氘灯在115~300nm波段的光谱辐亮度数据,其相对定标不确定度为12.1%。
The data processing and uncertainty analysis method of PTB is employed , in 115 ~ 300 nm the spectral radiance values of two deuterium lamps are obtained , and the overall uncertainty for D_2 lamp calibration is 12.1 % .
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本文介绍了7530-G紫外可见分光光度计氘灯电源电路故障的一个维修实例,并简单的对故障进行分析。
The article introduces an example of maintenance for power supply circuit of D2 lamp for UV / VIS Spectrophotometer , and briefly analyses the circuit .
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利用合肥800MeV电子存储环同步辐射(HESYR)作为紫外真空紫外光谱辐射测量的绝对标准,标定了传递标准氘灯光源的光谱辐亮度。
The spectral radiance of transfer standard-deuterium lamp is calibrated using Hefei 800 MeV electron storage ring synchrotron radiation ( HESYR ) as an absolute UV-VUV spectral radiometric standard .
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由于PDP荧光粉的激发光源在紫外真空紫外波段,因此需要一套真空紫外激发荧光光谱仪装置来测量这些参数。介绍了一种采用30W氘灯激发光源的PDP粉体测试装置。
A set-up of VUV excitation / fluorescence spectrometer is needed because its excitation wavelength range is in VUV . A device is introduced which equipped with 30 W deuterium lamp as excitation source , focus method is used in optics layout and a high DC gain amplifier is used .
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氟化镁窗口氘灯的真空辐射衰减特性
Radiation degradation characteristics of deuterium lamp with MgF_2 window in vacuum environment
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用弗晰集理论对氘灯特性进行综合评选
The Comprehensive Evaluation to the Characteristics of Deuterium Lamps with Fuzzy Subsets Theory
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一种新颖的通用氘灯电源
A universal power supply for deuterium lamps
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在测定花生中镁时,需使用氘灯以扣除背景吸收。
For determining magnesium in peanut the deuterium lamp was applied to deduct background absorption .
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一种高稳定性多功能氘灯恒流电源的研制
Research and Development of a Supply for Deuterium Lamp High Stability and Multi-function Constant Current Power
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铬空心阴极灯可代替氘灯作为测定光源。
A chromium hollow cathode lamp was used as a light source instead of the deuterium continuum source .
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文中介绍了作者研制的高稳定性、多功能恒流电源的电路、主要技术指标,以及用国产氘灯代替进口氘灯的具体作法。
In this paper , the circuit and primary technical specifications of high stability and multi-function constant current power supply were introduced .
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以石英窗口氘灯为传递标准光源,在紫外及真空紫外辐射区完成了同步辐射和壁稳氩弧两种基准之间的对比。
The deuterium lamp as a radiometric transfer , the comparison of synchrotron radiation and wall stabilized argon arc plasma radiation was performed in 165-350 nm .
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取适量的乳浊液制成试液,注入石墨炉中,以氘灯扣除背景吸收,石墨炉原子吸收光谱法的快速测定铅和镉。
The amounts of cadmium and lead in the samples were determined by atomic absorption spectrometry with the deuterium lamp for the deduction of background absorption .
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专业从事光电器件、高压钠灯、汞灯、氘灯、金属卤化物灯及仪器仪表制造。
It goes in for manufacturing lighting and electric appliance , high-voltage sodium lamp , mercury lamp , deuterium lamp , metallic halide lamp and measuring instrument .
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研究了国产氘灯不能简单代替进口氘灯的主要原因,并提出了解决的办法。
The major reason why they can 't be substituted for each other was discussed , and the method which was used in solving this problem was also suggested .
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织物紫外线透过率测试仪是衡量织物抗紫外线能力的仪器,氘灯作为优选的紫外光源,其辐射强度的稳定密切关系到测量的精度和一致性。
The deuterium lamp is often used as ultraviolet ray lamp in UV measuring instrument , the measuring accuracy of the instrument has close correlation with the stability of radiation energy .
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由氘灯光源室提供连续光,用DG535脉冲发生器进行同步控制,采用瞬态光谱探测系统实时测得了槲皮素与氢氧化钠反应过程中的紫外-可见时间分辨吸收光谱。
A deuterium light source was used to provide the continuous light , time resolved UV-Vis absorption spectra of quercetin reacting with sodium hydroxide were measured by using an intensified CCD spectroscopic detector .
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实验中采用相互交替的比对顺序、微机控制比对时间以及抛光氘灯端窗等方法有效的消除了系统误差。
A series of methods , such as alternative sequence of comparison , computer controlled time consuming , and polishing the window of the deuterium lamp , was adopted to eliminate the systemic error efficiently .
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测量碳酸钾中钠元素,当钠质量分数在0.01%以上时,宜采用原子吸收法,选择吸收波长为330.3nm,氘灯扣背景,标准加入法来测定。
The sodium in potassium carbonate , whose content is above 0.01 % , is suitable to be determined by atomic absorption method at wave length 330.3 nm , D lamp deducting background and standard additions .
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本文介绍了一种高稳定性多功能的氘灯恒流电源,其电流调整率达到6.5×10~(-6),漂移达到5.0×10~(-5)/hr。
This paper introduced a constant current power supply for deuterium lamp . It has the characteristics of high stability and multi-function . It has the current regulation of 6.5 × 10 ~ ( - 6 ) and drift of 5.0 × 10 ~ ( - 5 ) / H.