“national primary standard for combustion heat”的概念、定义、翻译、参考文献-科学参考

单词	national primary standard for combustion heat
释义	national primary standard for combustion heat Encyclopedia 工学物理化学特性计量释 national primary standard for combustion heat燃烧热国家计量基准通过对电流、时间、电压等基本物理量的测量实现化学样品的燃烧热的准确测量。用于复现热量基本单位焦耳，是国家燃烧热量值传递的源头。
随便看	orientation of a simplex orientation of a space orientation of a surface orientation of reference ellipsoid orientation parameter orientation phase orientation polarization orientation-preserving orientation-preserving automorphism orientation-preserving isomorphism orientation-preserving mapping orientation quantization orientation reaction orientation-reversing orientation-reversing chain orientation-reversing loop orientation-reversing mapping orientation selectivity orientation sheaf orientation star orientation state structure of polymers orientation sub orientation telesthesia orientation variable oriented

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。