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液体样品
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  liquid sample
     X-Ray Diffraction Studies on Structure of Solutions: 3. A Relative Transparent Factor for Intensity Correction of Window on Liquid Sample Cell with Powder Diffractomcter
     溶液结构的X射线衍射──3.粉末衍射仪液体样品池窗口强度校正的相对透明因子
短句来源
     Study on digestion method of liquid sample with perchloric acid and hydrogen peroxide
     高氯酸-过氧化氢法消化液体样品的研究
短句来源
     Quenching of luminescence by molecular oxygen is an inherent limitation in fluorescence and phosphorescence analysis, especially for liquid sample.
     分子态氧对发光的猝灭作用,固有地限制着发光分析优良分析特性的实现,特别对液体样品
短句来源
     Then, this paper introduces the work of this experiment including the following several respects:(1) Assemble a simple device for SPME with a micro- syringe, and set up the system for appraising the enrichment ability of SPME coating to solid sample and liquid sample.
     (1)用微量注射器组装法自制了简易固相微萃取装置,建立了评价SPME涂层富集能力的固体样品体系与液体样品体系。
短句来源
     for high boiling point liquid sample, dipping a blank KBr pellet is used;
     对于高沸点液体样品 ,将样品用挥发性有机溶剂稀释 ,采用浸渍法制样 ,即把空白KBr压片在稀释后的溶液中浸渍后挥发掉有机溶剂制样 ;
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  liquid samples
     This method was suitable for the determination of tungsten in ores containing WO_3 from 0.2 to 80% and liquid samples.
     适于测定0.2—80%WO_3的各种类型矿样及液体样品
短句来源
     The recovery rate was 93.4% ~101.4% and 94.8%~100.3% for chlorhexidine acetate in liquid samples measured by ultraviolet spectrophotometry and 85.3%~94.1% and 90.6%~98.5% for chlorhexidine acetate in tooth paste measured by HPLC.
     回收率:紫外分光光度法对液体样品中醋酸氯己定测定回收率为 93. 4% ~101. 4%和 94. 8% ~100. 3%; 高效液相色谱分析法对牙膏中醋酸氯己定测定回收率为 85. 3% ~94. 1%和 90. 6% ~98. 5%。
短句来源
     It can determine liquid samples with ahation peaks in the range of 360 ~ 1000nm.
     它能测量在360~1000nm波长范围具有吸收峰的液体样品
短句来源
     Full energy peak efficiency calibration of Ge(Li) detector for liquid samples with different weights
     可变量液体样品的Ge(Li)探测器全能峰效率刻度
短句来源
     This paper presents a kind of low temperature target system(temperature between 180~290K)for the two stage light gas gun and the technique for preparing molecular liquid samples of high purity at low temperatures.
     介绍了一种二级轻气炮的低温靶(温度可调范围为180~290K)系统以及高纯度低温分子液体样品的制备技术。
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  “液体样品”译为未确定词的双语例句
     minimum value tested out is 2×10-4μg.
     最小检出量为 :2×10-4μg(进样体积为0.2μl液体样品 )。
短句来源
     Two Phase Monitoring of Liquid Scintillation Gournter Sample
     液体样品的两相监测
短句来源
     REAL-TIME MONITORING FOR COLD-CONDENSATION OF HIGH PURITY GAS CO_2 BY FIRBR SENSOR
     用光纤传感器对冷凝制备高纯CO_2液体样品实时临测
短句来源
     If the concentration of sample is great, the photoacoustic intensity will reduce as the concentration increases.
     在液体样品的激光光声光谱分析中,当待测试样浓度较大时,光声信号强度随浓度增大而减弱。
短句来源
     the detection limit was l. OX iO~5 ~ g Ge/mL. The RSDQ/o) was <2.0%for relatively pure solutions with Ge in 0.003---0.3 I.
     在含0.003、0.03、0.3μg Ge(IV)/mL的纯液体样品中,RSD(%)分别为 1.8、0.9、1.3%,回收率均保持在 98%以上。
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  liquid sample
The stretching of a liquid sample, squeezed out in the vertical direction from an aperture of an arbitrary form, is investigated.
      
The device measures the intensity of the acoustic emission (AE) accompanying crystallization of a liquid sample.
      
The fragility parameter m and activation energy for viscous flow of the liquid sample were calculated to be: m = 31.66, E = 10689.17 K, respectively.
      
A Gas-liquid Equilibrium Sampling System was developed to enable the introduction of a representative amount of a gas-liquid sample into a gas chromatograph or a mass spectrometer.
      
An excess of gaseous ethylene oxide is added to a liquid sample; the 2-chloroethanol formed is then analyzed by gas chromatography.
      
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  liquid samples
The IR spectra of irradiated liquid samples indicate the formation of linear and cyclic polystructures.
      
Some parameters (injected sample volume and the completeness of sample transfer) in the injection of large-volume gas-vapor and liquid samples into a wide-bore capillary column with intermediate sorption preconcentration were examined.
      
The procedure allows the determination of phthalic acids in the concentration range from 0.02 to 2 mg/L in liquid samples and from 0.03 to 3 mg/m3 in air.
      
Application of the real-time holographic interferometry technique to the analysis of liquid samples by means of electrophoresis in a flat capillary is demonstrated.
      
It is shown that the manual capsule injection system for the introduction of liquid samples can give results of very high precision and reproducibility.
      
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The JU-1 uranium laser analyser can be applied to direct and rapid determination of trace levels of uranium in surface and ground waters. Solid samples can also be analyzed after simple treatment. The detection limit for surface waters is 0.05 ppb U .Measurement accuracy is better than ±10% at 0.1-1ppb U, or ±5% at 1-20ppb U .

JU1激光铀分析仪可用来直接快速分析地表水和地下水等液体样品中的痕量铀,对固体样品,经简单处理后也可快速分析。检出下限为0.05ppb;对0.1—1ppb样品精度好于±10%,1—20ppb样品,精度好于±5%;线性和温度稳定性与加拿大UA-3型铀分析仪相当;而4小时稳定性优于UA-3仪器。

The determination of tungsten in ores by x-ray fluorimetry of solution was investigated. The samples were decomposed by phosphoric acid and nickel was used as the internal standard in the solution. On-line data processing with VRA-2 x-ray fluorescence spectrometer and DJS-110 computer made in china was carried out.The effects of particle-size, mineralogy and matrix were eliminated and the drift of the instrument was compensated in this method.A large amount of Mo Pb Zn Cu Ca Mn and Fe, a certain amount of sulfuric...

The determination of tungsten in ores by x-ray fluorimetry of solution was investigated. The samples were decomposed by phosphoric acid and nickel was used as the internal standard in the solution. On-line data processing with VRA-2 x-ray fluorescence spectrometer and DJS-110 computer made in china was carried out.The effects of particle-size, mineralogy and matrix were eliminated and the drift of the instrument was compensated in this method.A large amount of Mo Pb Zn Cu Ca Mn and Fe, a certain amount of sulfuric acid and phosphoric acid over a suitable range didn't interfere with the results of the determination.This method was suitable for the determination of tungsten in ores containing WO_3 from 0.2 to 80% and liquid samples. The standard deviations of the determination for the samples containing 5.83 and 69.81% WO_3 were 0.04 and 0.17 respectively. The determination was fast and accurate.

本文研究了用磷酸溶样,镍为内标、X荧光法测定钨的条件。克服了粒度、矿物学。基体效应.补偿了仪器漂移的影响。大量Mo,Pb,Zn,Cu,Ca,Mn,Fe等没有干扰。适于测定0.2—80%WO_3的各种类型矿样及液体样品。对含WO_3为5.83%及69.81%的试样,标准偏差分别为0.04和0.17。X荧光仪与电算机联机处理数据。方法快速准确。

A new amperometric flow-through detector applied to flow injection analysis and continuous flow analysis is designed. It is composed of a gold tubular working electrode, a stainless-steel tubular counter electrode, and a silver chloride referenceelectrode.An expression equation of sampling frequency has been given in this paper as follow:f=ut/(πr~2l+DV_s+KV_g). To a given system analytical rate is only a function of volume fluid velocity.By use of the FIA technique, response is linear for levels from a few tenth...

A new amperometric flow-through detector applied to flow injection analysis and continuous flow analysis is designed. It is composed of a gold tubular working electrode, a stainless-steel tubular counter electrode, and a silver chloride referenceelectrode.An expression equation of sampling frequency has been given in this paper as follow:f=ut/(πr~2l+DV_s+KV_g). To a given system analytical rate is only a function of volume fluid velocity.By use of the FIA technique, response is linear for levels from a few tenth microgram to several milligram per liter of sotution.With this approach, analytical rates of 100 samples per hour can be achieved. To S~=, Ag~+, Hg~(++) and I~-,their detection timits are 0.5, 2, 5 and 10ppb respectively, and the relative standard deviations are≤3%. Several factores to effect on limiting current have also been discussed.

本文设计了一个用于流动注射分析的安培检测器。它是由金管工作电极,氯化银参比电极和不锈钢管对电极组成。具有结构简单、灵敏度高、重现性好和线性响应范围宽等特点。在我们的实验条件下,总结出了一个描写测量频率的公式:f=vt/(πr~2l+DV_s+KV_9)。对一个固定的测量体系,在一定流速范围内,f仅仅是流速的函数。借助于FIA技术,每小时可完成100次测量。线性响应范围从几个ppb直到几个ppm。相对标准偏差通常不大于3%。对于S~=、Ag+、Hg~(++)和I~-的检出限分别为0.5、2、5和10ppb。该装置适用于某些液体样品中微量电活性物质的监测。

 
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