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simultaneous direct determination
相关语句
  直接同时测定
     Simultaneous Direct Determination of Phenol and Aniline in Oil Refinery Waste Water by First Derivative Ultraviolet Spectrophotometry
     一阶导数紫外分光光度法直接同时测定炼油厂污水中的苯酚和苯胺
短句来源
     Simultaneous Direct Determination of Oil and Phenol in Refinery Wastewater by UV-Second-Order Derivative Spectrophotometry
     紫外导数分光光度法直接同时测定炼油厂污水中的石油类和苯酚
短句来源
  “simultaneous direct determination”译为未确定词的双语例句
     The simultaneous direct determination of 14 trace rare earth impurities in Yttrium oxide of phosphor grade for colour TV sets, using Chinese WP-2L type plate grating spectrograph equipped with Chinese GP3.SD type ICP source was described.
     本文采用国产WP-2L型平面光栅摄谱仪配置国产GP3.5D型ICP光源进行了彩色电视荧光级氧化钇中14个稀土杂质元素分析方法的研究。
短句来源
     Moreover, this method has also been used for simultaneous direct determination of OFL, NOR and ENO in plasma with satisfactory results.
     同时对血浆液中的依诺沙星(ENO)、氧氟沙星(OFL)和诺氟沙星(NOR)进行了同时定量测定。
短句来源
     In this paper,the method of simultaneous direct determination of phenol and aniline inthe waste water in oil refinery by first derivative ultraviolet spectrophotometry is proposed.
     该法省去了萃取、蒸馏、显色、酸化等预处理步骤,采回水样直接测定。
短句来源
     It was shown that the proposed method could be applied to simultaneous direct determination of fluoroquinolones even in the presence of unknown interference(s).
     实验结果表明,此法可用于未知干扰共存下氟喹诺酮类药物的同时直接快速定量测定.
短句来源
  相似匹配句对
     Simultaneous Determination of o-Nitrophenol and p-Nitrophenol by Using Direct Potential Method
     直接电位法同时测定邻硝基苯酚和对硝基苯酚
短句来源
     simultaneous encephalopathy.
     并存有肝性脑病。
短句来源
     The method of direct and simultaneous determination of nitrate and nitrie in water is proposed.
     提出了一阶导数紫外分光光度法直接、同时测定水中NO_3 ̄-和NO_2 ̄-的方法。
短句来源
     Direct to Freedom
     走向自由
短句来源
     direct command;
     组织结构单一,管理直接;
短句来源
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  simultaneous direct determination
A nondestructive neutron activation technique for the simultaneous direct determination of chlorine, bromine, and iodine in silver halide mixtures is described using a252Cf neutron multiplier (CFX).
      


A new method is described for the simultaneous direct determination of nitrate and nitrite in natural water and waste water from uranium mines with dual-wavelength spectrophotometric method.The measuring wavelength and the referential wavelength are 219nm and 240nm respectively. In KH2PO4 buffer solution(pHT.O), the calibration curves are rectilinear in the range 0 to 4 ppm for NO^-N and NO^-N. The interference from some organic substances, such as amine, is eliminated by treating the samples with polydivinylbenzene...

A new method is described for the simultaneous direct determination of nitrate and nitrite in natural water and waste water from uranium mines with dual-wavelength spectrophotometric method.The measuring wavelength and the referential wavelength are 219nm and 240nm respectively. In KH2PO4 buffer solution(pHT.O), the calibration curves are rectilinear in the range 0 to 4 ppm for NO^-N and NO^-N. The interference from some organic substances, such as amine, is eliminated by treating the samples with polydivinylbenzene porous bead-203. The method is simple and rapid. The coefficient of varia-tion(n = 7)is less than 10% for 0.1~20 mg/1 of NOj-N and NO^-N. The method has been applied to the determination of 0.05~100mg/l of NOj-N and NO^-N in water from uranium mines.

本文提出了一个新的以磷酸二氢钾缓冲溶液调节试样的pH值,以国产高分子多孔小球G.D.X—203除去胺等有机物的干扰,同时测定铀矿山地表水、外排水中NO_3~-和NO_2~-的双波长分光光度法。测定波长为219nm,参比波长240nm,吸光度差与NO_3~-和NO_2~-的浓度(0~4ppm,以N计)成线性关系。测定0.1~20mg/1 NO_3~--N和NO_2~--N时,变异系数小于10%(n=7)。方法简便、快速,适用范围广,可用于水中0.05~100mg/l NO_3~--N和NO_2~--N的测定。

A new method is described for the simultaneous direct determination of nitrate and nitrite in natural water and waste water from uranium mines with dual-wavelength spectrophotometric method. The measuring wavelength and the referential wavelength are 2l9nm and 240nm respectively. In KH2PO4 buffer solution(pH7.0), the calibration curves are rectilinear in the range 0 to 4 ppm for NO3-N and NO2-N. The interference from some organic substances, such as amine, is eliminated by treating the samples with polydivinylbenzene...

A new method is described for the simultaneous direct determination of nitrate and nitrite in natural water and waste water from uranium mines with dual-wavelength spectrophotometric method. The measuring wavelength and the referential wavelength are 2l9nm and 240nm respectively. In KH2PO4 buffer solution(pH7.0), the calibration curves are rectilinear in the range 0 to 4 ppm for NO3-N and NO2-N. The interference from some organic substances, such as amine, is eliminated by treating the samples with polydivinylbenzene porous bead-203. The method is simple and rapid. The coefficient of variation (n = 7) is less than 10% for 0.1-20mg/L of NO7-N and NO-2-N. The method has been applied to the determination of 0.05-100mg/L of NO-N and NO-2-N in water from uranium mines.

提出了一个新的以磷酸二氢钾缓冲溶液调节试样的pH值,以国产高分子多孔小球G.D.X-203除去胺等有机物的干扰,同时测定铀矿山地表水、外排水中NO_3~+和NO_2~-的双波长分光光度法。测定波长为219nm,参比波长为240nm,吸光度差与NO_3~-和NO~-的浓度(0~4ppm,以N计)成线性关系。测定0.1~20mg/1 NO_3~--N和NO_2~--N时,变异系数小于10%(n=7)。方法简便、快速,适用范围广,可用于水中0.05~100mg/1NO_3~--N和NO_2~--N的测定。

The simultaneous direct determination of 14 trace rare earth impurities in Yttrium oxide of phosphor grade for colour TV sets, using Chinese WP-2L type plate grating spectrograph equipped with Chinese GP3.SD type ICP source was described. The sample solution was introduced into the ICP with aqueous solvent without desolvation. For the sample solution containing 20mg/ml of Y,O,the determination limits were 0.00020% for Eu2O3, Yb2O3,and Lu2O3, 0.00050% for La2O3, CeO2, Nd2O3, Gd2O3, Dy2O3, Ho2O3,Er2O3...

The simultaneous direct determination of 14 trace rare earth impurities in Yttrium oxide of phosphor grade for colour TV sets, using Chinese WP-2L type plate grating spectrograph equipped with Chinese GP3.SD type ICP source was described. The sample solution was introduced into the ICP with aqueous solvent without desolvation. For the sample solution containing 20mg/ml of Y,O,the determination limits were 0.00020% for Eu2O3, Yb2O3,and Lu2O3, 0.00050% for La2O3, CeO2, Nd2O3, Gd2O3, Dy2O3, Ho2O3,Er2O3 and Tm2O3,and 0.0010% for Pr6O11, Sm2O3 and Tb4O7. The relative standard deviation was in the range of 3.2-9. 8%.

本文采用国产WP-2L型平面光栅摄谱仪配置国产GP3.5D型ICP光源进行了彩色电视荧光级氧化钇中14个稀土杂质元素分析方法的研究。样品溶液以不去溶方式引入ICP。当样品溶液中Y2O3的浓度为20mg/ml时,测定下限分别为铕、镱和0.00020%,镧、铈、钛、钆、镝、钬、铒和铥0.00050%,镨、钐和铽0.0010%。相对标准偏差为3.2~9.8%。

 
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