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共找到 150 條與 氧同位素比值 相關(guān)的標準,共 10

The document specifies a method for the determination of stable carbon isotope ratio (C/C) of sugars from fruit juices by isotope

Fruit and vegetable juices - Determination of the stable carbon isotope ratio (<(hoch)13>C/<(hoch)12>C) of sugars from fruit juices - Method using isotope ratio mass spectrometry; German version ENV 12140:1996

本文件規(guī)定了用二氧化碳-水平衡法測定天然水中氧同位素組成的方法。本文件適用于地下水、地表水、大氣降水等各種天然水中氧同位素組成的試樣離線制備后質(zhì)譜測定

Isotope analysis methods for geological samples Part 25: Determination of oxygen isotope composition of natural water Carbon dioxide-water balance method

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

Methods for sample preparation of hydrogen, carbon and oxygen isotopes in natural gas

本標準規(guī)定了碳酸鹽巖碳氧同位素測定方法及測定結(jié)果的質(zhì)量要求。 本標準適用于碳酸鹽巖碳氧同位素組成的測定

Carbonate Rock Carbon Oxygen Isotope Determination Phosphoric Acid Method

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

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

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

Uranium dioxide. Uranium isotopic analysis by mass spectrometry

Versione ufficiale in lingua inglese della norma europea sperimentale ENV 12140 (edizione ottobre 1996). Specifica un metodo per la determinazione del

Fruit and vegetable juices. Determination of the stable carbon isotope ratio (13C/12C) of sugars from fruits juices. Method using isotope ratio mass spectrometry.

本標準規(guī)定了“錫林郭勒羊肉”中碳、氮同位素豐度比檢測原理、儀器、設(shè)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"

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

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

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

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

本文件規(guī)定了水中氫、氧同位素組成的測定方法。 本文件適用于地下水、地表水、大氣降水的氫、氧同位素組成測定。氫同位素檢測范圍為-428‰~0‰,氧同位素檢測范圍為-55.5‰~0

Isotope analysis methods for geological samples Part 36: Determination of hydrogen and oxygen isotope composition of water by laser spectroscopy




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