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实测样品
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  measured sample
     The more measured sample selected, the wider the mineral classes, the morewidespreed the representative model, the higher reliabilty is.
     所选用的实测样品愈多,该族矿物种后愈广泛,则建立的模型的代表性也愈广泛,可靠程度愈高。
短句来源
  measuring samples
     The statistical results of 20 657 equilibrium factor F values from 1988~1993 in 5 uranium mines of China indicate that total mean value of equilibrium factor F weighted by number of measuring samples in these mines is 0 33.Monthly variation of equilibrium factor F value in each year is also given in this paper. (
     本文对国内5个铀矿山1988~1993年间20657个平衡因子F值进行了统计分析。 结果表明,平衡因子F按各矿实测样品数加权的总平均值为0.33,文中同时给出平衡因子F值每年逐月的变化
短句来源
  authentic samples
     The method is flexible and simple. Analytical results of authentic samples are satisfactory.
     方法简便、灵活,实测样品获得了满意的结果。
短句来源
     The method is simple. Analytical results of authentic samples are satisfactory.
     该方法简便 ,实测样品获得了满意结果。
短句来源
     Analytical results of authentic samples are satisfactory. The relative standard deviation of this method is 0.2%.
     该方法快速、准确、简便 ,实测样品获得满意结果 ,相对标准偏差为 0 2 %。
短句来源
  “实测样品”译为未确定词的双语例句
     RSD of determining actual sample is 0.68%,and the recovery rates are 94.6%~96.8%.
     改进方法具有较好的精密度和准确度,实测样品的相对标准偏差为0.68%,加标回收率为94.6%~96.8%。
短句来源
     The lowest detection limit was 0.5mg/kg.
     本文实测样品中甲醛的最小检出浓度为0.5mg/kg。
短句来源
     This method is quick and easy operation with high accuracy,the recovery rate of chlorine and boron in the sample can be 98.2% and 102.1% respectively,the relative standard deviation((n=5)) can be 1.53% and 2.22% respectively.
     论述了一种测定硫酸钡中氯、硼两种杂质离子含量的方法。 此法准确、精密度高,实测样品中氯和硼的回收率分别为98.2%和102.1%,相对标准偏差(n=5)分别为1.53%和2.22%。
短句来源
     Trichlorfon were separated on a C18 columnusing low-cost methanol and water as mobile phase. The recovery of method is 99.26%~100.46%. The coefficient of variation is 0.28%.
     使用价廉的甲醇与水为流动相,在C18柱上即可实现有效分离,方法回收率为99.26%~100.46%、变异系数(CV)为0.28%,实测样品表明该方法与国家标准方法无显著性差异。
短句来源
     RESULTS:The average recovery of sulfamethazine and sulfamidine in samples was 100.21% and 98.34% , RSD were 0.51% and 0.62%,respectively( n =10). The results of determination for three batches of Xiaoer An powder were agreed with those by using standard method.
     结果 :10份模拟样品测定的平均回收率分别为 10 0 2 1%和 98 34% ,RSD分别为 0 5 1%和 0 6 2 % ,对三个实测样品的测定结果与标准方法一致。
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      measured sample
    In a practical realization, relative accuracy of ±001° in the determination of the phase shiftδ of measured sample was reached.
          
    Bootstrap sampling is a method that can be used to generate a large number of simulated samples (bootstrap samples) from the data of the measured sample.
          
    A bootstrap sample is a subset of the measured data formed by randomly drawing data from the measured sample with replacement.
          
    The presence of an activity in a measured sample may be verified by observing a relevant full-energy peak in a measured gamma-ray spectrum.
          
    Only one gamma-X-ray spectrometric measurement is required in order to determine both235U enrichment and U-total concentration of the measured sample.
          
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      measuring samples
    A DDA model was obtained through training 15 practical measuring samples.
          
    Measuring samples at the level of δ13C can show the degree of contamination of the sample.
          
    Atomic force microscopy (AFM) holds unique prospects for biological microscopy, such as nanometer resolution and the possibility of measuring samples in (physiological) solutions.
          
    Live time extension techniques give accurate results when measuring samples in which the activity remains roughly constant during the measuring process (i.e., the dead time does not change significantly during a single measurement period).
          
    By measuring samples that were obtained by drilling subsurface material can be analyzed.
          
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      authentic samples
    The proposed methods allow semimicro and microlevel determination of SBS in authentic samples and in dosage forms.
          
    They were identified by GC-MS and proton NMR spectroscopy by comparison with authentic samples.
          
    Breakthrough volume was determined on authentic samples and was about 40-60 L, using a flow rate of 1 L·min-1.
          
    Violaxanthin, neoxanthin, aesculaxanthin, lutein, β-carotene, β-cryptoxanthin β-citraurin and theircis-isomers could be detected with a diodearray detector utilising authentic samples.
          
    In total, 23 carotenoids have been identified or tentatively identified, based on their UV-Vis spectra and co-chromatography with authentic samples.
          
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    A feasible approach to determine ~(228)Ra is described.Ra in thesample solution is concentrated with PbSO_4 and BaSO_4 coprecipitation.Then,6N HAc is added into the DTPA solution of the coprecipitate to makea buffer solution in order to control the acidity.The daughter of ~(228)Ra,~(228)Ac,is successively separated from pb,Ra and other interfering elementswith reprecipitation of Ba(Ra)SO_4 Afterwards,~(228)Ac is carried byCe_2(C_2O_4)3 at pH 2.The β-activity of ~(228)Ac is measured and the contentof ~(228)Ra...

    A feasible approach to determine ~(228)Ra is described.Ra in thesample solution is concentrated with PbSO_4 and BaSO_4 coprecipitation.Then,6N HAc is added into the DTPA solution of the coprecipitate to makea buffer solution in order to control the acidity.The daughter of ~(228)Ra,~(228)Ac,is successively separated from pb,Ra and other interfering elementswith reprecipitation of Ba(Ra)SO_4 Afterwards,~(228)Ac is carried byCe_2(C_2O_4)3 at pH 2.The β-activity of ~(228)Ac is measured and the contentof ~(228)Ra in the sample is estimated.The decontamination of Ac from some interfering radionuclides,thecondition for separating Ac from Ra and the optimum pH to carry Ac fromthe DTPA solution with Ce_2(C_20_4)_3 have been investigated.The total recoveryof this method is 90%.The half life of ~(228)Ac measured is 6.56 hrclosing to 6.13 hr,the real half life of it.The method is suitable to monitor and analyse samples of environment,biology,ore and foodstuff.

    本文介绍一种测定~(228)Ra 的简单易行的方法:样品溶液经 PbSO_4、BaSO_4沉淀浓集 Ba;再在溶解硫酸盐的 DTPA 溶液里,通过添加6N 醋酸形成缓冲溶液控制酸度,二次重沉淀 Ba(Ra)SO_4,使~(228)Ra 的子体~(228)Ac 先后与 Pb、Ra 及其它干扰元素分离;最后在 pH2的条件下用 Ce_2(C_2O_4)_3沉淀载带~(228)Ac;铺样进行β放射性测量;并以此来估算~(228)Ra 的含量。实验对各种放射性干扰核素的去污,Ac 与 Ra 分离、DTPA 溶液中 Ce_2(C_2O_4)_3沉淀载带Ac 的最佳 pH 条件等作了较充分的条件试验。本方法的化学总回收率达90%,按最小二乘法计算实测样品的半衰期为6.56小时,接近~(228)Ac 真实半衰期。本方法适用于环境、生物、水样、矿样和食品等样品的监察分析。

    A method is provided for direct determination of uranium in the organic phase (TBP, TOPO, alkyl phosphonate, or alkyl quarternary amine-secondary alcohol in kerosene)by differential derivative oscillopolarography with a Model

    本文报道宁在A1660型示波极谱仪上,采用差示导数示波极谱法,首次使用碳粉-氯化钾-琼胶作为盐桥,外接饱和甘汞电极,以异丙醇-铜铁灵-乙酸-乙酸铵-氨三乙酸组分为底液,直接测定有机相(膦类或胺类萃取剂)中的铀。本方法简易快速,取样量少,无需破坏有机相并省略反萃及除氧手续。铀的峰电位为—0.28伏特(相对饱和甘汞电极),铀浓度在2.0~10.0微克/毫升范围与波高呈线性关系。实测样品的相对标偏(测定次数n=6)为±5%,回收率为96~104%。

    This paper introduces the FH1935 computer low background liquid scintillator system which consists of a NEwTRS80 microcomputer and a liquid scintillation counter and is designed for measuring 3H, 14C etc.The function of the software and the DCS program structure of the system, the block diagram and the basic principle of data analysis program modular ANADATare discribed. The data mesured and the calculated results for a group of Samples are presented.The systems have been put into production in batches.

    本文叙述了由NEwTRS80型微计算机与液闪计数器组成的用于测量~3H,~(14)C等的FH1935型微计算机低本底液闪计数器系统的软件功能和DCS程序结构,以及数据分析程序模块ANADAT的基本原理与框图。文中还列出了一组实测的样品数据及计算结果。

     
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