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The body sites of 163 heifers, bedding and feedstuff samples, flies, and hands and nares of the research personnel were sampled in order to determine the sources of Staphylococcus aureus in a dairy herd other than the lactating mammary gland. Lesions on the udder of lactating animals and the air in the milking parlor were also sampled. Staphylococci(More)
The correct determination of the energy generated or absorbed in the sample cell of an Isothermal Titration Calorimeter (ITC) requires a thorough analysis of the calorimetric signal. This means the identification and quantification of any thermal effect inherent to the working method. In this work, it is carried out a review on several thermal effects,(More)
No previously proposed analog built-in self-test method allows simultaneous control of all test points, the basic diagnosis capability required for analog circuits. Here is an approach that allows observation and control of DC voltage levels of all test points simultaneously, with a calibration process that ensures accuracy. Abstract: Power supply current(More)