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DIGITAL NIST: An examination of the obstacles and opportunities in the digital transformation of NIST's reference materials. 数字化NIST:对NIST参考资料数字化转型中的障碍和机遇的考察。
Pub Date : 2023-01-01 DOI: 10.21014/actaimeko.v12i1.1403
William Dinis Camara, Steven Choquette, Katya Delak, Robert Hanisch, Benjamin Long, Melissa Phillips, Jared M Ragland, Catherine Rimmer

Early in 2022, NIST embarked on a pilot project to produce digital calibration reports and digital certificates of analysis for reference materials. The goal is to produce examples of digital reports and certificates to assess the scope and challenges of digital transformation in those particular measurement services. This paper focuses on the Reference Material Certificate effort of the pilot project. Our aims for this part of the pilot project are: to generate a digital Reference Material Certificate from certification data; descriptive information about the material, and other data and metadata as needed; to generate a human-readable report from the digital Reference Material Certificate; and to hold a workshop to gather stakeholder feedback. The challenges for NIST include the diverse and complex information presently contained in NIST certificates, converting values to non-SI units to match the needs of stakeholders, and format updates to NIST Reference Material Certificates necessary to allow for machine generation. Other practical challenges include the wide variety of Reference Materials offered by NIST, as well as the needs of internal and external stakeholders. This presentation will report on the progress of the NIST effort and discuss some of the challenges and solutions to producing Digital Reference Material Certificates.

早在2022年,NIST就开始了一个试点项目,为参考物质制作数字校准报告和数字分析证书。目标是生成数字报告和证书的示例,以评估这些特定测量服务中数字化转型的范围和挑战。本文重点介绍了试点项目的参考资料证明工作。我们这部分试点项目的目标是:从认证数据生成数字参考材料证书;关于材料的描述性信息,以及所需的其他数据和元数据;根据数字参考资料证书生成一份人类可读的报告;举办研讨会,收集利益相关者的反馈。NIST面临的挑战包括目前包含在NIST证书中的各种复杂信息,将值转换为非si单位以满足利益相关者的需求,以及对NIST参考材料证书进行必要的格式更新,以允许机器生成。其他实际的挑战包括NIST提供的各种各样的参考材料,以及内部和外部利益相关者的需求。本报告将报告NIST的工作进展,并讨论制作数字参考材料证书的一些挑战和解决方案。
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引用次数: 1
CCM PILOT STUDY OVERVIEW: GEOMETRICAL MEASUREMENT OF THE ROCKWELL DIAMOND INDENTER. CCM试点研究概述:洛氏金刚石压头的几何测量。
Pub Date : 2020-01-01 DOI: 10.21014/acta_imeko.v9i5.979
R R Machado, S Low, A Germak

This paper describes an overview of the capability of the NMIs that participated on the CCM Pilot Study measurement systems, conducted by the CIPM/CCM/Working Group on Hardness, to characterize the Rockwell hardness diamond indenter geometry, by measuring the included cone angle, the straightness of the generatrix, the spherical tip radius, the deviation of the local radius and the tilt angle. Nine NMIs took part in this study: INMETRO (Brazil); INRiM (Italy); KRISS (South Korea); NIM/PR (China); NIMT (Thailand); NIST (USA); PTB (Germany); TUBITAK UME (Turkey); VNIIFTRI (Russia), where INMETRO (Brazil) served as pilot laboratory.

本文概述了参与CCM试点研究测量系统的nmi的能力,该系统由CIPM/CCM/硬度工作组进行,通过测量包括锥角,母线直线度,球面尖端半径,局部半径偏差和倾斜角来表征洛氏硬度金刚石压头的几何形状。参与本研究的有9个NMIs: INMETRO(巴西);INRiM(意大利);KRISS(韩国);NIM /公关(中国);NIMT(泰国);NIST(美国);肺结核(德国);TUBITAK me(土耳其);VNIIFTRI(俄罗斯),其中INMETRO(巴西)担任试点实验室。
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引用次数: 0
Progress on vacuum-to-air mass calibration system using magnetic suspension to disseminate the Planck-constant realized kilogram. 利用磁悬液传播普朗克常数实现千克的真空-空气质量校准系统的进展。
Pub Date : 2017-01-01 DOI: 10.21014/acta_imeko.v6i2.406
Eric C Benck, Corey Stambaugh, Edward C Mulhern, Patrick J Abbott, Zeina J Kubarych

The kilogram is the unit of mass in the International System of units (SI) and has been defined as the mass of the International Prototype Kilogram (IPK) since 1889. In the future, a new definition of the kilogram will be realized by fixing the value of the Planck constant. The new definition of the unit of mass will occur in a vacuum environment by necessity, so the National Institute of Standards and Technology (NIST) is developing a mass calibration system in which a kilogram artefact in air can be directly compared with a kilogram realized in a vacuum environment. This apparatus uses magnetic suspension to couple the kilogram in air to a high accuracy mass balance in vacuum.

千克是国际单位制(SI)中的质量单位,自1889年以来一直被定义为国际原型千克(IPK)的质量。在未来,千克的新定义将通过固定普朗克常数的值来实现。质量单位的新定义必然会出现在真空环境中,因此美国国家标准与技术研究所(NIST)正在开发一种质量校准系统,可以将空气中的千克伪像与真空环境中的千克进行直接比较。该设备使用磁性悬浮液将空气中的千克与真空中的高精度质量平衡相耦合。
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引用次数: 0
期刊
Acta IMEKO (2012)
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