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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク DCVG ： ウィキペディア英語版 DCVG DCVG stands for Direct Current Voltage Gradient and is a survey technique used for assessing the effectiveness of corrosion protection on buried steel structures. In particular, oil and natural gas pipelines are routinely monitored using this technique to help locate coating faults and highlight deficiencies in their cathodic protection (CP) strategies. == History == The DCVG method was invented by Australian John Mulvany, an ex telecomms engineer, in the early 1980s. He developed and refined the technique in conjunction with Dr John Leeds, a professional corrosion engineer from Kent, England. Today, the DCVG technique is universally accepted throughout the pipeline industry and is described in NACE International test method TM-0109-2009.〔NACE TM0109-2009, Aboveground Survey Techniques for the Evaluation of Underground Pipeline Coating Condition, Section 6〕 Industry codes referring to pipe/pipeline inspection (such as API 571 and API RP 574, published by the American Petroleum Institute) reference it as a suitable method for determining coating breakdown in buried pipelines. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「DCVG」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.