共找到 150 條與 碳同位素比值 相關的標準，共 10 頁
FRUIT AND VEGETABLE JUICES - DETERMINATION OF THE STABLE CARBON ISOTOPE RATIO (13C/12C) IN THE PULP OF FRUIT JUICES - METHOD USING ISOTOPE RATIO MASS SPECTROMETRY.
Fruit and vegetable juices. Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices. Method using isotope ratio mass spectrometry.
Method for determination of stable oxygen isotope ratio (
本標準規定了應用同位素平衡交換法測定葡萄酒中水的穩定氧同位素比值(18O/16O)的方法。 本標準適用于葡萄酒中水的穩定氧同位素比值(18O/16O)的測定
Determination of the oxygen isotope ratio (18O/16O) of water in wines.Method using isotopic equilibrium exchange reaction
Textiles – Determination of stable nitrogen isotope ratio in cotton fibres
本文件規定了果汁中水的穩定氧同位素比值 (18O/16O) 同位素平衡交換測定方法。 本文件適用于果汁中水的穩定氧同位素比值(18O/16O)的測定
Determination of stable oxygen isotope ratios of water in non-concentrated reconstituted fruit juices for export - isotope equilibrium exchange method
本文件規定了鈾系不平衡地質年齡和鈾、針同位素比值的測定方法。 本文件適用于處于封閉體系的陸相和海洋碳酸鹽巖(如洞穴堆積物石筍、鐘乳石、海洋中未發生重結晶的珊瑚礁等)的鈾系不平衡地質年齡及鈾、針同位素比值的測定
Isotope analysis methods for geological samples - Part 11: Determination of uranium series disequilibrium geological age and uranium-thorium isotope ratios in carbonate rocks - Alpha spectrometry
Zinc Isotope Ratio and Zinc Content Measurement Double Dilution Mass Spectrometry
本文件規定了葡萄酒中氮穩定同位素比值(15N/14N)的測定方法。本文件適用于葡萄酒中氮穩定同位素比值的測定與確證
Method for determination of nitrogen stable isotope ratios in exported wines
What is this standard about? This document specifies the determination of the ratio of nitrogen isotopes in cotton fibres that are used
Textiles. Determination of stable nitrogen isotope ratio in cotton fibres
Fruit and vegetable juices - Determination of stable carbon isotope ratio (<(hoch)13>C/<(hoch)12>C) in the pulp of fruit juices - Method using isotope ratio mass spectrometry; German version ENV 13070:1998
本文件規定了使用熱電離質譜儀測定地質樣品的 Sm-Nd 體系同位素年齡及Nd同位素比值的方法。 本文件適用于 Sm、Nd 含量高于 0.1 μg/g 地質樣品的 Sm-Nd 體系同位素年齡及 Nd 同位素比值的熱電離質譜法測定
Isotope analysis methods for geological samples - Part 4: Determination of isotopic ages of samarium-neodymium system and neodymium isotope ratios of geological samples - Thermal ionization mass spectrometry
本文件規定了熱電離質譜法測定地質樣品-鍶體系同位素年齡和鍶同位素比值的方法。 本文件適用于巖石、礦物-鍶體系同位素年齡及鍶同位素組成的熱電離質譜法測定；適用于沉積碳酸鹽樣品和水樣鍶同位素組成的熱電離質譜法測定;適用于、鍶含量高于 0.01μg/g 的地質樣品的測定
Isotope analysis methods for geological samples. Part 5: Determination of isotope ages of rubidium-strontium systems and strontium isotope ratios of geological samples by thermal ionization mass spectrometry
本標準規定了鈾系不平衡地質年齡和鈾、釷同位素比值的測定方法。 本標準適用于處于封閉體系的陸相和海洋碳酸鹽(如洞穴堆積物石筍、鐘乳石、海洋中未發生重結晶的珊瑚礁)等的同位素地質年齡及鈾、釷同位素比值的測定
Determination of uranium-series disequilibrium geological age and uranium-thorium isotope ratio
本標準規定了畜產品牛羊肉中碳、氮同位素豐度比的檢測方法。本標準適用于畜產品牛羊肉中碳、氮同位素豐度比的測定
Detection method of carbon and nitrogen isotope abundance ratio in beef and mutton of livestock products
