膠片黑度 的英文怎麼說
中文拼音 [jiāopiānhēidù]
膠片黑度
英文
film density-
Method for determining the speed and average gradient of black - and - white aerial camera films
黑白航空照相膠片感光度和平均斜率測定方法Photography sensitometry - black - and - white aerial camera films - determination of iso speed and average gradient
航空攝影用黑白膠片iso感光度和平均梯度的測定方法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
摘要介紹了嶺澳核電站主泵泵體製造過程中的射線探傷工藝過程，包括對膠片、象質計及底片的要求、直線加速器透照工藝、底片沖洗及黑度要求以及缺陷評定和驗收標準，以期對我國今後百萬千瓦級主泵泵體的國產化有所裨益。
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