自然基准

质量自然基准的研究进展及发展方向

The Progress and Development Trend of Mass Natural Standard

几十年来围绕着实现质量自然基准，各国科学家进行了大量的研究，取得了巨大的进展。

Many scientists have worked to realize mass natural standard for several decades and have got great progress in this field .

量子霍尔电阻作为电阻自然基准的研究

Study of the Quantized Hall effect as a natural resistance standard

国外在电学自然基准研究方面的两项重大突破

Two Important Progresses in the Research of the Natural Electrical Standards

圆分度动态测量自然基准与动态测量误差修正

On the natural self-sealing reference of circular division dynamic measurement and dynamic measurement error correction

。由于该系统具有很高的准确性和可靠性，1992年8月被国家技术监督局批准为国家临时电压自然基准并正式启用。

Because it possesses very high accuracy and reliability , the system was ratified as National Temporary Voltage Natural Standard by National Monitoring Bureau of Technology and was formally put into operation in August 1992 .

文中概述了科学工作者在这一领域的研究现状，实现质量自然基准的几种主要方法的基本原理及其研究进展，预测了质量自然基准研究的最终发展方向。

The research situation of mass natural standard in the world is summarized , the basic principle and research progress for several possible methods to realize mass natural standard are described , and the development trend of mass natural standard is given .

在圆分度测量的相对性和数据自封闭特征的基础上，建立了基于圆分度和二面角测量的任意角测量系统，和基于自封闭自然基准的动态误差数据零均值处理和平差处理方法。

On the base of the relativity and the data self-sealing characteristics of circular division measurement , an arbitrary measurement system on circular division and dihedral is built , and the processing method of the dynamic data zero average and the balancing based on self-sealing nature reference are also built .

以自然度为基准的制冷剂新的环保性能评价标准探讨

Evaluation criterion of refrigerant environmental performance based on natural degree