penetrameter การใช้

• Equivalent penetrameter sensifivty
• Step - wedge penetrameter
• This paper introduces the radiographic examination procedure of the primary pump of 900mw nuclear power unit , including the requirement about the radiographic examination equipment such as the radiation sources , films , penetrameter , etc . ; the radiographic process when using the rectilinear accelerator , and the development & examination of radiographic files , defects examination and acceptance criteria , with the expectation that this introduction be useful for reference to the promotion of 1000mw nuclear power primary pump localization in china