Textile reinforcement is standard meanwhile since there is large experience with continuous and chopped fibers. However, the prestressing of continuous fibers opens more advantages since the initial strain is anticipated and larger stiffness is obtained. The paper shows that this theoretical prediction has been validated.
This paper explores the feasibility of constructing an autonomous sensor array on a standard silicon wafer. Such a sensor-wafer would include integrated electronics, power, and communications, and would be capable of being placed into a standard production process step, or short sequence of steps. During the processing of the sensor-wafer, various process parameters would be measured and recorded. There are several uses for such a sensor wafer, including equipment characterization and design, process calibration, and equipment qualification and diagnosis. In this paper, various sensor architectures, power supplies, communications methods, and isolation techniques are discussed, and particular choices are made. Several proof-of-concept designs that measure film-thickness and temperature are discussed, and test results are reviewed for each design.
Group D streptococci have rarely been associated with neonatal infections. We report a case of fulminant respiratory distress syndrome (RDS) caused by Streptococcus alactolyticus in a term neonate. Gram staining revealed gram-positive cocci and culture grew group D streptococci in samples taken from trachea, ear, and nasopharynx. Streptococcus alactolyticus was identified using automated microbial identification system (Vitek 2). Histopathology showed massive pulmonary inflammation with intra-alveolar granulocytosis and secondary pulmonary bleeding as etiology of fatal outcome. To our knowledge, this is first case presenting neonatal infection caused by Streptococcus alactolyticus.
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