值头的英文

nedo

例句与用法

The dissertation ' s main research content is to establish the metrology transfer standards on naturalgas flux . the task team aimed at the characters of the pvtt and mt methods for the naturalgas standards founded by native nation for the presents . for the purpose ofgaranting the accuracy of the values of quantities of the standards , reling on the measure process control methods , analyzed the present situation and the metrology capability of the naturalgas standards of measurement , analyzed and calculated the metrology methods and uncertainty of the transfer standard , analyzed the site experiments and the testing data
本文主要研究的内容是建立天然气流量计量传递标准,课题组针对目前国内建立的pvtt法、 mt法等天然气计量标准装置的特点,以保证天然气流量计量标准装置量值准确为目的;以测量过程控制方法为依据,对天然气流量计量标准装置的现状和计量性能进行了分析;对传递标准的计量方法和不确定度进行了分析和计算;对传递标准的硬件和软件进行了研究和设计;对传递标准进行了现场试验和数据分析;达到了利用传递标准对天然气计量标准装置进行现场比对和分析,进而保证计量标准装置值头准确的目的。