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共找到 150 條與 碳同位素比值 相關的標準,共 10

Hydrogen, carbon and oxygen isotope sample preparation method in natural gas

This International Standard describes three simple and fast procedures to prepare plutonium sources and a procedure to measure the activity ratio

Nuclear fuel technology - Preparation of plutonium sources and determination of 238Pu/239Pu isotope ratio by alpha spectrometry (ISO 11483:2005, IDT)

The document specifies a method for the determination of stable hydrogen isotope ratio (H/H) of water from fruit juices by isotope

Fruit and vegetable juices - Determination of the stable hyydrogen isotope ratio (<(hoch)2>H/<(hoch)1>H) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12142:1996

The document specifies a method for the determination of stable oxygen isotope ratio (O/O) of water from fruit juices by isotope

Fruit and vegetable juices - Determination of the stable oxygen isotope ratio (<(hoch)18>O/<(hoch)16>O) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12141:1996

本文件標準規定了碳酸鹽巖和礦物碳氧同位素組成的連續流磷酸法測定。 本文件適用于無機碳含量(單質碳除外)不少于 12μg 的灰巖、方解石、文石、碳酸鋰等碳酸鹽巖和礦物樣品中碳氧同位素組成的磷酸法連續流在線測定

Methods for isotopic analysis of geological samples - Part 27: Determination of carbon and oxygen isotopic composition of carbonate rocks and minerals - Continuous flow phosphoric acid method

Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (H/H) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12142:1996

In 1985, the US Environmental Protection Agency published the Nationwide Radon Study. In this study, isotopic activities for uranium-234 (U-234

A Study of the Isotopic Uranium Abundance Ratios for Select California Groundwater

本標準規定了“錫林郭勒羊肉”中碳、氮同位素豐度比檢測原理、儀器、設備與試劑和方法。本標準適用于“錫林郭勒羊肉”中碳、氮同位素豐度比的測定

Detection method of isotope abundance value of "Xilinguole mutton"

Errata corrige 1 del 21/01/2020 alla UNI 11692:2017

Analysis of stable isotope ratios of H, C, N and S of cheese

Uranium, a kidney toxicant and a radioactive material, is present at elevated concentrations in groundwater in some states. In 1991 the US

Journal AWWA — Isotopic Uranium Activity Ratios in California Groundwater

本文件規定了微量碳酸鹽巖和礦物中碳、氧同位素組成的測定方法。 本文件適用于微量(1 mg 以下)古生物化石(有孔蟲、介形蟲等)中碳酸鹽的碳、氧同位素測定,也適用于微量方解石、文石等碳酸鹽礦物中碳、氧同位素的測定

Isotope analysis methods for geological samples Part 29: Determination of carbon and oxygen isotope composition of trace carbonate rocks and minerals Continuous flow phosphoric acid method

La norma descrive un metodo per l'analisi, dei rapporti tra isotopi stabili di H, C, N, S mediante tecniche di Spettrometria di Massa Isotopica

Analysis of stable isotope ratios of H, C, N and S of cheese

Fruit and vegetable juices - Determination of the stable oxygen isotope ratio (O/O) of water from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12141:1996

Method for determination of stable oxygen isotope ratio (<sup>18</sup>O/<sup>16</sup>O) of water from fruit juices, using isotope ratio mass spectrometry

Method for determination of stable hydrogen isotope ratio (<sup>2</sup>H/<sup>1</sup>H) of water from fruit juices, using isotope ratio mass spectrometry




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