石英管
- 网络Quartz;quartz tube;silica tube;cuvette
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在电加热石英管原子化器中得到的测定灵敏度为0.007μg(1%吸收),比文献报道值提高了一个数量级。
The sensitivity of determination in the electrically heated quartz tube atomizer is 0 . 007 μ g / 0 . 0044 which is one order of magnitude better than that reported earlier .
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采用双层异压石英管技术成功地对两种Fe-Mn-Al系三元扩散偶进行了1300℃平衡扩散处理;
A technique with double-layer differential pressure quartz tube was applied successfully to the diffusion treatment for ternary diffusion couples in the Fe-Mn-Al system at 1300 ℃ .
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地下水中NO3~-的~(15)N和~(18)O同位素测试新技术&密封石英管燃烧法
A new analytical technique for detecting isotopes ~ ( 15 ) N and ~ ( 18 ) O in NO_3 ~ - of groundwater : Sealed combustion quartz tube method
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介绍了JX-300XDCS系统在石英管生产中的应用。
The application of JX-300X DCS system into the production of quartz tubes is introduced .
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将尿素和GA-A型分子筛混合装入石英管中放入微波反应器里,进行从模拟富氧废气中脱除NOX的效果性能实验研究。
Microwave reactor with urea and Ga-A zeolites was set up to study removal of NO_x with excess oxygen from waste gas .
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用Zn作扩散源在封闭的真空石英管中,研究了Zn在Ge中的扩散问题,给出了xj-t~(1/2)关系和C-1/T关系,比较了扩散源温度对样品表面形貌的影响。
In this report the diffusion of Zn into Ge is investigated . The experiments are accomplished in an evacuated and sealed quartz ampoule using Zn as the diffusion source . The Xj-and C-1 / T has been given .
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将该化合物密封在真空石英管内,经520℃,40h热处理,产物热分解脱S并晶化为晶态Ru与晶态RuS2。
Upon heating the amorphous compound at 520 ℃ for 40h in vacuum-tight tube , the crystallization of Ru and RuS_2 occurred .
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采用单缝石英管技术作为火焰原子化器的原子捕集阱,以火焰法测定地表水中Cu、Pb、Zn、Cd等痕量元素,进一步提高了石英管法的灵敏度。
Taking single-edge slotted quartz tube as flame atomic-trap , using flame atomic-absorption spectrometry to determine trace Cu , Pb , Zn and Cd elements in surface water , so that the sensitivity of the quartz tube will be increased .
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首先采用石英管熔封制得了不同砷、锗含量的Ge-As-Se块状玻璃,并测试了其相关性能;
First , various content of arsenic in the Ge-As-Se systems was made by sealed quarts tubes .
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采用石英管反应器,在常压下研究了十氢萘和环己烷的气相氧化裂解(GOC)过程。
The gas phase oxidative cracking ( GOC ) processes of decalin and cyclohexane were investigated by using the quartz tube reactor at atmospheric pressure .
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生长纳米金刚石膜所用的硅衬底为p型单晶硅,气源为CH4和H2,石英管生长室内的气压控制在7Torr左右,钨丝的温度为2200℃左右,衬底与钨丝间距为7mm。
The p-type single crystalline Si wafers were used as substrates and CH4 and H_2 as gas resource , the pressure in the reaction chamber was kept at about 7 Torr and the filament temperature at 2200 ℃, the distance between substrate and filament was 7 mm .
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针对光纤F-P干涉仪(FPI)传感器封装普遍采用的化学胶水粘合方式存在的胶水老化而脱胶的问题,提出一种用高频CO2激光脉冲加热使光纤与石英管永久熔合进行封装的新方法。
Chemical glue is often used to encapsulate fiber-optic F-P interferometric sensor to fixup the F-P cavity , which is easy to come unglued as aging . A new encapsulation method to melt fiber and quartz glass tube by high-frequency CO_2 laser is put forward .
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用AgNO3+C(石墨)测定NO-3中氧同位素比值的密封石英管燃烧法,它们是1995年以后发展起来的最新测试技术。
The oxygen isotope analyses in NO ~ - _3 were conducted using a new sealed combustion quartz tube technique of AgNO_3 + C. It has become the up-to-date technique since 1995 .
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本法采用改装后的日立HFS-2型氢化物发生器和两种自制T型石英管与原子吸收光谱仪主机配合。
This paper applies hydride generator of improved HFS-2 type and two kinds of T-type quartz tubes cooperate with main machine of atomic absorption spectroscopy .
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采用催化化学气相沉积法(CCVD),在550~750oC温度范围内,于内径44mm、高1000mm的石英管纳米聚团床中制备了碳纳米管;
Production of carbon nanotubes ( CNTs ) by catalytic chemical vapor deposition ( CCVD ) was studied using a nano-agglomerate fluidized bed with 44 mm inner diameter and 1000 mm height in the temperature range of 550 ~ 750oC .
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缝式石英管原子化器用于氢化物原子吸收光谱分析的研究
The application of slotted silica tube in hydride EVOLUTION-ATOMIC absorption analysis
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用涂碳石英管生长碲化物晶体的工艺分析
Spectroscopic study of carbon film used for growing of Telluride crystals
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冷原子吸收法选用石英管的研究
The Choice of Quartz Tube Diameters in Cold Vapour AAS
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氢化锗在电热石英管中的行为
The Behavior of GeH_4 in an Electrically Heated Quartz Tube
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以缝式石英管作为原子化器的氢化物&原子吸收法测定痕量铋
Hydride Generation-AAS Determination of Bismuth with A Slot Quartz Tube
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此外,还对石英管内的气体温度进行了估算。
The gas temperature in discharge tube is also estimated .
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石英管加热到900~1000℃。
The tube is heated to between 900 ℃ and 1000 ℃ .
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石英管烧结成型设备的微机控制
Microcomputer Control for Sintering Shape Equipment of Silica Class Tube
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石英管内表面镀膜方法的研究
Study on coating method on inner surfaces of quartz tube
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工质对微石英管内部流动特征的影响
The Influence of Working Fluid on Flow Characteristic in Microtubes
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石英管尺寸光电综合检测系统的研究
Research on Quartz Tube Dimensions Photoelectric Comprehensive Measuring System
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石英管外壳多工位拉伸级进模设计
Design of Multipli-station Drawing Progressive Die for Quartzite Shell
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高压氢石英管喇曼池中受激喇曼散射的研究
Study on stimulated Raman scattering in a high pressure quartz tube containing H_2
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巯基棉富集单缝石英管火焰原子吸收法测定水中微量铅吸声带孔石棉水泥板
DETERMINATION ON LEAD IN WATER BY FLAME AAS sound-absorbing perforated asbestos cement panel
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测量石英管几何量的光学原理
Optical Principle for Measuring Geometrical Quantity of Quartz Tube