同位素稀释法

用~（15）N同位素稀释法评估诱发结瘤春小麦的固氮作用

Evaluation for dinitrogen fixation of induced wheat nodules by 15 ~ n isotope dilution method

~（13）C同位素稀释法测定国产多氯联苯的2，3，7，8－TCDD毒性当量

Determination of toxic equivalents of PCDD / fs in two Chinese commercial PCBs by C isotope dilution method

~（15）N同位素稀释法测定土壤氮素总转化速率研究进展

On Progress in Gross Nitrogen Transformation Using ~ ( 15 ) N Isotopic Pool Dilution

用~（15）N同位素稀释法研究沸石对氮肥利用率的影响

The study on effect of zeolite on nitrogen use efficiency of corn by ~ ( 15 ) n-isotope dilution method

Os用同位素稀释法测定。

Using . coli DNA polymerase I , E. Os was determined by isotope dilution-ICPMS .

~（15）N同位素稀释法测得其茎叶~（15）N原子百分超低于不固氮参照组，表明，2,4-D加田菁固氮根瘤菌诱发的小麦类瘤能固定大气氮。

The atom % 15N excess in leaf and stem of treated plants measured by 15N isotope dilution method is lower than that of reference group .

报道了采用700℃铀床、77K低温活性炭柱提取高纯3He，之后采用氢同位素稀释法除去3He中微量氚的研究结果。

He cleanup methods using uranium bed and active carbon absorption and then using hydrogen isotope dilution to elimination trace tritium are introduced .

此外通过15N同位素稀释法，测定了固氮菌肥的固氮能力及固氮量。

The 15N analyzer ( NOI7 ) was used with the method of 15N isotope dilution to determine the nitrogen-fixing ability of the bio-fertilizer .

经过15N同位素稀释法盆栽植物试验，与对照相比，该突变株由于存在其他缺陷，不能给植物提供更多的氮素营养。

Potted crops were measured by the method of ~ ( 15 ) N isotope dilution techniques . Compared to the control , the mutant of Ac-92 could not supply more nitrogen nutrition to the potted plants due to some deficient property .

~（186）锇和~（188）锇双同位素稀释法在辉钼矿铼-锇测年中的应用

Application of Double Isotope Dilution Technique to Molybdenite Re-Os Geo-chronological Research

介绍了同位素稀释法的原理，对同位素稀释法的浓度计算公式进行了推导。

The principle and calculated formula of isotope dilution method is introduced .

氩同位素稀释法测定矿物、岩石年龄

Age dating of minerals and rocks by dilution metering of isotope ar

用同位素稀释法测定锆英石的微量铅

Measurements of micro-quantities of lead in zircons by the isotope dilution technique

质谱同位素稀释法在钚量分析中的应用研究

Study on Application in Plutonium Content Analysis by Isotope Dilution Mass Spectrometry

用同位素稀释法研究土壤-植物系统镉的迁移

Study on transfer of cadmium in soil-plant systems with the isotopic dilution method

稳定同位素稀释法在岩矿测试中的应用

The Use of IDMS in Rock and Mineral Analysis

电感耦合等离子体质谱同位素稀释法测定沉积物和茶叶标准物质中铅的研究

Determination of Lead Content in Standard Materials of Lake Sediment and Tea by ID-ICP-MS

质谱同位素稀释法测定铀的一个误差估计公式

A Formula of Error Estimation in the Determination of Uranium by Mass Spectrometry Isotope Dilution

综述了同位素稀释法在环境样品分析中的应用。

The application of IDMS on the analysis of environmental samples in the past years is introduced .

质谱同位素稀释法测量电镀标准铀靶残液中微量铀

Determination of trace uranium in residual solution of electroplating standard uranium target by mass spectrometry isotope dilution

亚化学计量放射性同位素稀释法测定人发和尿液中的微量锌

Substoichiometry and radioactive isotopic dilution determination of trace content of zinc in Mans ' hair and urine

放射性同位素稀释法

Radioactive isotope dilution method

用质谱同位素稀释法定量分析三氧化钨及仲钨酸铵中杂质

Determination of Impurities in Trioxide Tungsten and Ammonium Para Tungstate by Spark Source Mass Spectrometry Using Isotope Dilution Method

本文主要给出了在用质谱同位素稀释法测定铀时的一个误差计算方法，即通过测量值的误差传递后，对实验结果作出比较精确的误差估计。

In this paper , a method of error calculation in the determination of uranium by mass spectrometry isotope dilution is given . By the error transmission of datums of the measurement , a comparatively precise error estimate of the experimental result is available .

本文报道了Ba35SO4同位素稀释法准确定量测定油菜籽（饼）硫代葡萄糖甙总量的方法原理、实验步骤及相关的同位素高效率计数方法等，并讨论分析了其优缺点。

Here the systematic technology of Ba 35 SO 4 isotope dilution analysis ( Ba 35 SO 4 IDA ), including its principal and data process , is reported and the advantages as well as disadvantages of this new method are compared with other methods for glucosinolates ′ analysis .

同位素稀释质谱法对年青玄武岩K－Ar年龄的测定

Determination of K-Ar Ages on Some Young Basalts by IDMS

同位素稀释质谱法测量贻贝中微量Ni、Cu、Pb

Determination of Trace Nickel , Copper and Lead in Mussel by Isotopic Dilution Mass Spectrometry

一种用~（233）U作单内标的同位素稀释质谱法

The Isotope Dilution Mass Spectrometry With ~ ( 233 ) U as a single Internal Standard

Ba~（35）SO4同位素稀释分析法高精密分析菜籽（饼）硫代葡萄糖甙总量的研究e.油料植物种子中脂肪酸合成的控制；

Ba ~ ( 35 ) SO_4-isotope-dilution Analysis of Glucosinolate Content in Rapeseeds ( seedmeal ) with High Precision ( 5 ) control of fatty acid synthesis in plant rapeseeds ;

ICP-AES法测定广西中药白花丹不同部位常量及微量元素同位素稀释质谱法测定酸雨标准物质中微量钾和镁

Analysis of Macroelements and Microelements in Chinese Traditional Medicine Plumbago Zeylanica Linn by ICP-AES Determination of Trace Amount of Potassium and Manganese in Acid Rain Standard Reference Material by IDMS