【摘要】 研制了一种液氧密度标准计量装置 ,介绍了其测量原理、装置流程及性能实验结果。分析了该装置的不确定度 ,并与国际水平进行了比较更多还原

【Abstract】 A new type of standard measuring apparatus for liquid oxygen density is developed.The principle of the measurment,the device process and the result of performance test are introduced.The accuray of the device is analyzed and it is compared with the similar device in the world.更多还原