“国家化学计量标准”的概念、定义、翻译、参考文献-科学参考

单词	国家化学计量标准
释义	国家化学计量标准 Encyclopedia 工学〔化学计量基本概念〕释 national chemical measurement standard国家化学计量标准由国家计量行政部门考核、批准，具有确定的量值或量值范围和相关联的不确定度，用于实现化学成分量、物理化学特性量等的单位或量值，检定或校准其他化学计量标准或工作计量器具，对社会实施计量监督并具有公正作用的一类国家计量标准。
随便看	material reuse materials characterization of light emitting diode material schedule material science materials corrosion under natural environments material screening materials databases materials design materials deterioration in civil engineering materials emissivity measurement materials examination of document materials for 3D cell culture materials for air pollutant treatment materials for civil engineering reinforcement and renovation materials for clinical diagnosis materials for control-release of pesticide materials for corrosion maintenance or repair materials for energy application materials for high power laser frequency conversion materials for low power laser frequency conversion materials for photocon-ductive detectors materials for photodetectors materials for photovoltaic detectors materials for protection of tritium permeation materials for pyroelectric detectors

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。