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- The developing process of the certified reference material of polymethyl methacrylate for oxygen index was introduced. 介绍聚甲基丙烯酸甲酯氧指数标准物质的研制过程。
- The structure of the certified reference material(CRM) of butadiene nitrile rubber (BNR) was characterized by 1H _ NMR. 应用1H-NMR技术对系列丁腈橡胶(BNR)标准物质的结构进行了表征。
- The certified reference material mainly consists of polyisobutylene and hexadecane with good homogeneity and stability. 聚合物流变特性标准物质主要由聚异丁烯和十六烷组成。
- The test and assessment for the homogeneity of a certified reference material are introduced. 介绍标准物质的均匀性检验及其评价方法。
- The organic composition CRMs developed recently by National Research Center for Certified Reference Material (NRCCRMS) are tabulated in this paper. 列出了国家标准物质研究中心最近研制的有机成分标准物质。
- The result shows that the homogeneity and stability of the certified reference material are good and the certification is accurate and reliable. 试验结果表明,该标准物质定值结果准确,均匀性、稳定性良好。
- Abstract: The uncertainty of certified values of certified reference material (CRM) for spectroscopic analysis and its determining method have been expounded. 文摘:论述了光谱分析用标准物质标准值的不确定度。
- Technology on purification of HMX was studied with the industrial special-class product as primary substance,and the certified reference material of HMX prepared. 以工业特级品HMX为基体,研究了HMX的纯化工艺,制备出军用纯度标准物质HMX。
- Certified reference material of the high-purity silicasol was prepared by removing impurity ions from the high purity silicasol according to the ion exchange resin. 采用离子交换法实现了高纯硅溶胶主成分与众多杂质离子的分离,并制备了高纯硅溶胶标准物质。
- This method was applied to the determination of a ferroniobium certified reference material and the results compare favourably with the certified values. 用本法测定一铌铁标样,测定值与认定值相吻合。
- The research result has showed that the water quality-color certified reference material has a well homogeneity and is stable at least for two years with trustable certified concentration value. 研究结果表明,新研制的水质色度标准样品的均匀性良好,至少在两年的时间内稳定,定值方法可靠,量值准确。
- A systemative eposition of the stability of certified reference material is given in this paper. And a detaited discussion on the function of the stability and evaluation is also given. 对标准物质稳定性进行了系统的论述,对稳定性的作用及如何考察、评价作了详细的讨论。
- The Metallurgical Certified Reference Materials (M-CRMs) is a kind of special industrial product. 冶金标准样品是一类特殊的工业产品。
- The necessity of the development of new generation of certified reference materials (CEMs) and the role that NAA will play in the certification of those CRMs are discussed. 讨论了研制适用于微分析质控的新一代有证标准物质(CRM)的必要性,以及NAA在新一代CRM认证中的作用。
- crude oil certified reference material 原油标准物质
- The preparation process, data processing and certification result for certified reference materials(CRMs) of casting aluminium alloy containing P for spectral analysis were disscused. 介绍含磷元素铸造铝合金光谱分析标准样品的制备工艺、数据处理及定值结果。
- Mostly, the details in the preparation procedure that should pay attention, and measures be taken for assuring homogeneity and stability of the certified reference materials (CRMs) are discussed. 重点讨论和分析制备过程中应注意的细节以及为了保证均匀性和稳定性所采取的措施。
- ethanol gas certified reference material 乙醇气体标准物质
- Certified reference material( CRM) 标准物质
- Certified reference material(CRM) 标准样品