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This paper investigates a high precision tracking system that adopts the coordinate calculation algorithm and a photosensitive sensor. This system is designed to satisfy the precision requirement in sun tracking for a concentrated sunlight transmitting system via optical fibers. This system is...

Part 1 of this paper provides an educational introduction to the hazards of nursing, work-related stress and the notion of the control cycle as an approach to stress management. Part 2 provides the framework for risk assessments and subsequent action in relation to work-related stress and...

Dairy policy in the United States has gone through many changes over the years, but the basic instruments have remained in place for decades. The Federal Agricultural Improvement and Reform (FAIR) Act of 1996 is best seen as a relatively small scale reform of dairy policy. Most of the income...

There has long been a question as to whether crowding in rail passenger transport poses a threat to passenger health related to the experience of stress. A review of the scientific literature was conducted. Little rail-specific empirical research was identified. The more general research that...