Author:Pretorius, Cecilia JDate:Jul 2017Circumstances may dictate that samples from mining operations are analysed for unknown compounds that are potentially harmful to humans. These circumstances may be out of the ordinary, unique or isolated incidents. Emergency analytical testing ...Read more
Author:Seleka, T; Pityana, Sisa L; Ulbrich, M; Rampedi, LDate:Nov 2007An AISI 420 martensitic stainless steel, 0.6 mm thick was melted with a 4.4 Kw continuous wave Nd: Yag laser in order to induce a certain proportion of retained austenite in a matrix. The volume percentage of the retained austenite in the ...Read more