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Roxarsone (3-nitro-4-hydroxyphenylarsonic acid) has been widely used as organic arsenic additive in animal industry. In this study, the adsorption of roxarsone on TiO2 under dark conditions, the photocatalytic decomposition of roxarsone under UV/TiO2, and the possible photocatalytic pathway were investigated. At the initial concentration of 5–35 mg/L, the adsorption of roxarsone fitted well with the...
Metal Magnetic Memory Technology (MMMT) can find out the residual stress concentration zone and provide early diagnosis for ferromagnetic structure components. The appLication of MMMT in welded joints inspection has been investigated and compared with the result of X-ray inspection in this paper. The appLicabiLity of MMMT in welded joints NDT is also analyzed. The experimental results show MMMT can...
it introduces the theory of digital radioscopy(DR) &CT testing technology, according to analyze actuaLity of testing for railway key parts and advantage of digital radioscopy(DR) &CT testing technology, and research the feasibiLity for making the technology use in railway rolLing stock key parts, it concludes that the digital radioscopy(DR) &CT testing technology can fit the testing requirements...
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