向不同的听众解释千克的新定义和实验实现

IF 0.8 Q4 INSTRUMENTS & INSTRUMENTATION

Journal of Sensors and Sensor Systems Pub Date : 2021-01-21 DOI:10.5194/JSSS-10-1-2021

J. Valdés

{"title":"向不同的听众解释千克的新定义和实验实现","authors":"J. Valdés","doi":"10.5194/JSSS-10-1-2021","DOIUrl":null,"url":null,"abstract":"Abstract. Different options were discussed before reaching the final agreement on the new definitions of the SI units, effective from 20 May 2019, especially with regard to the kilogram, now defined in terms of the numerical value of the Planck constant ( h ). Replacing the artefact definition of the kilogram with a new one based on the mass of a particle, or the atomic mass constant ( mu ), would have been preferable for ease of understanding, among other reasons. In this paper we discuss some limitations of teaching to different audiences what a kilogram is in the redefined International System of Units (SI), including realizations of the new definition.","PeriodicalId":17167,"journal":{"name":"Journal of Sensors and Sensor Systems","volume":"10 1","pages":"1-4"},"PeriodicalIF":0.8000,"publicationDate":"2021-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Explaining to different audiences the new definition and experimental realizations of the kilogram\",\"authors\":\"J. Valdés\",\"doi\":\"10.5194/JSSS-10-1-2021\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract. Different options were discussed before reaching the final agreement on the new definitions of the SI units, effective from 20 May 2019, especially with regard to the kilogram, now defined in terms of the numerical value of the Planck constant ( h ). Replacing the artefact definition of the kilogram with a new one based on the mass of a particle, or the atomic mass constant ( mu ), would have been preferable for ease of understanding, among other reasons. In this paper we discuss some limitations of teaching to different audiences what a kilogram is in the redefined International System of Units (SI), including realizations of the new definition.\",\"PeriodicalId\":17167,\"journal\":{\"name\":\"Journal of Sensors and Sensor Systems\",\"volume\":\"10 1\",\"pages\":\"1-4\"},\"PeriodicalIF\":0.8000,\"publicationDate\":\"2021-01-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Sensors and Sensor Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5194/JSSS-10-1-2021\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"INSTRUMENTS & INSTRUMENTATION\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Sensors and Sensor Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5194/JSSS-10-1-2021","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"INSTRUMENTS & INSTRUMENTATION","Score":null,"Total":0}

引用次数: 0

摘要

摘要在就国际单位制的新定义达成最终协议之前，讨论了不同的选项，该定义自2019年5月20日起生效，特别是千克，现在根据普朗克常数（h）的数值定义。出于便于理解等原因，用基于粒子质量或原子质量常数（μ）的新定义取代公斤的人工制品定义是可取的。在本文中，我们讨论了在重新定义的国际单位制（SI）中向不同受众教授千克的一些局限性，包括新定义的实现。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Explaining to different audiences the new definition and experimental realizations of the kilogram

Abstract. Different options were discussed before reaching the final agreement on the new definitions of the SI units, effective from 20 May 2019, especially with regard to the kilogram, now defined in terms of the numerical value of the Planck constant ( h ). Replacing the artefact definition of the kilogram with a new one based on the mass of a particle, or the atomic mass constant ( mu ), would have been preferable for ease of understanding, among other reasons. In this paper we discuss some limitations of teaching to different audiences what a kilogram is in the redefined International System of Units (SI), including realizations of the new definition.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Journal of Sensors and Sensor Systems INSTRUMENTS & INSTRUMENTATION-

CiteScore

2.30

自引率

10.00%

发文量

审稿时长

23 weeks

期刊介绍： Journal of Sensors and Sensor Systems (JSSS) is an international open-access journal dedicated to science, application, and advancement of sensors and sensors as part of measurement systems. The emphasis is on sensor principles and phenomena, measuring systems, sensor technologies, and applications. The goal of JSSS is to provide a platform for scientists and professionals in academia – as well as for developers, engineers, and users – to discuss new developments and advancements in sensors and sensor systems.