1) Isotopic reference materials
同位素参考物质
1.
Isotopic reference materials are "weight" for isotopic measurement.
同位素参考物质是同位素地质测量的“砝码”。
2) sulfur isotopic reference materials
硫同位素参考物质
3) reference materials
参考物质
1.
It is believed traditionally that specified analysis methods should have a metrological traceability to primary method through reference materials.
习惯上人们认为,特定的分析方法应通过参考物质建立到基准方法的计量溯源性。
2.
The method of metrological traceability of values for catalytic concentration of enzymes is now widely recognized as the combination of reference materials, reference measurement procedures and network of reference laboratories.
随着人们对酶标准化工作和计量学溯源体系的深入认识,参考方法、参考物质和参考实验室网络的结合成为国内外普遍认可的实现酶活性测定标准化的重要途径,而使用公认的酶校准物作为载体,将测定结果的数值在参考方法和常规方法间进行准确性的传递是目前酶标准化工作的关键环节之一。
4) Reference material
参考物质
1.
The uncertainty for standard specimen and its advantage and disadvantage as compared with international standard reference materials were also given.
将结果与国际先进的标准参考物质进行了分析比较。
2.
The suitable sample is the interlayer in mixed flux,using coke as a reference material,the test results are accurate and reliable.
5 g钨粒,样品以平铺于混合助熔剂的中间层为宜,利用焦碳做参考物质,结果准确、可靠。
3.
The calibration curve related to abnormal discharge intensity and grain size of aluminium inclusion was fitted by means of low alloy steel reference materials with grain size distribution of aluminium inclusion.
通过制备的铝夹杂物粒度分布参考物质,拟合了金属原位统计分布分析的异常放电强度与铝夹杂物粒度的工作曲线,据此建立了钢中铝夹杂物粒度分布的金属原位统计分析模型。
5) isotopic standard reference materials
同位素标准物质
1.
The uncertainty expression formulae in isotopic standard reference materials preparation are given,and influences of factors such as the enrichment of raw materials,mass spectrometry measurement and the expected abundance of isotopic standard reference materials are discussed.
〕本文给出了同位素标准物质研制中不确定度的表达公式，讨论了原料富集情况、质谱测量、同位素标准物质预期丰度等因素的影响，并对所述方法进行了应用举
6) USGS reference material
USGS参考物质
补充资料：参考物质
分子式：
CAS号：
性质： 一种或几种特性足够均匀并很好地确定了的物质。主要用于分析质量控制、新方法的建立、测量系统刻度、实验室间比对分析或直接用作分析标准。
CAS号：
性质： 一种或几种特性足够均匀并很好地确定了的物质。主要用于分析质量控制、新方法的建立、测量系统刻度、实验室间比对分析或直接用作分析标准。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条