共找到 150 條與 氧同位素比值 相關的標準，共 10 頁
Determination of estradiol, testosterone and progesterone residues and stable carbon isotope ratios in exported animal-derived foods
本文件規定了二氧化硫法測定硫化物礦物中硫同位素組成的分析方法。本文件適用于含硫量不少于1mg的各種硫化物礦物中硫同位素組成的二氧化硫法測定
Isotope analysis methods for geological samples Part 19: Determination of sulfur isotope composition of sulfide minerals Sulfur dioxide method
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
1.1 This specification covers the classification, processing, and properties of nuclear grade graphite billets with dimensions
Standard Specification for Isotropic and Near-isotropic Nuclear Graphites
1.1 This specification covers the classification, processing, and properties of nuclear grade graphite billets with dimensions sufficient to meet
Standard Specification for Isotropic and Near-isotropic Nuclear Graphites
本標準規定了有機物和碳酸鹽巖碳、氧同位素分析方法。 本標準適用于石油、天然氣、沉積有機質和碳酸鹽巖，也適用于其他固態、液態有機物碳、氧同位素組成的測定
Analysis method for carbon and oxygen isotope in organic matter and carbonate
Methods for analyzing carbon and oxygen isotopes of organic matter and carbonate rocks
本文件規定了用磷酸法測定碳酸鹽礦物和巖石的碳、氧同位素組成分析方法。本文件適用于方解石、文石、白云石、菱鐵礦、菱錳礦等碳酸鹽礦物,石灰巖等巖石及由碳酸鹽組成的珊瑚、貝殼等化石的碳、氧同位素組成的離線制備后質譜測定
Methods for isotopic analysis of geological samples - Part 28: Determination of carbon and oxygen isotopic composition of carbonate rocks and minerals - Phosphoric acid method
本標準規定了C02-H2O平衡法測定氧同位素的方法。 本標準適用于一般地下水中氧同位素的測定。堿性水樣必須先進行酸化。礦化度高的水樣，要預先進行真空蒸餾以消除鹽份對測定結果的影響。本法精度為士0.2
Groundwater Quality Examination Methods Carbon Dioxide-Water Balance Method Determination of Oxygen Isotopes
Method for testing the isotopic composition of deuterium oxide compounds of heavy water
Language: English Written by: Svenska
Nuclear energy - Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and isotopic dilution analysis by solvent extraction chromatography
Technical requirements for determination of reference materials: Organic isotope dilution mass spectrometry
本標準規定了 100%非濃縮還原（NFC）橙汁的術語和定義、生產環境、設施設備與衛生管理要求、原料要求、生產技術要求、主要質量要求、食品真實性要求、貯存要求。本標準適用于 100%非濃縮還原（NFC）橙汁的生產
Technical specification for the production of 100% non-concentrated (NFC) orange juice
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
Foodstuffs. Determination of sugar-containing ingredients by mass spectrometry of stable oxygen isotopes
