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This paper reviews thermal comfort based control strategies for modern commercial buildings with heating, ventilating, and air-conditioning (HVAC) systems. In order to make HVAC systems more energy-efficient, better system operations and control algorithms for HVAC systems are demanded. Research conducted predominately within the last decade suggests that(More)
BACKGROUND Polycystic ovary syndrome (PCOS) is a common reproductive endocrinological disease with heterogeneous phenotype. Obesity contributes to the increased prevalence and severity of PCOS. Whether the intakes of major nutrients are higher in Chinese PCOS patients is still unknown. OBJECTIVES To study the intakes of total energy, protein, fat and(More)
ZigBee is a wireless technology developed as an open global standard to address the unique needs of low-cost, low-power wireless sensor networks. This standard takes full advantages of the IEEE 802.15.4 physical radio specification and operates in unlicensed bands (e.g., 2.4 GHz) worldwide at different frequencies. As more and more companies make products(More)
BACKGROUND Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women. The data on this syndrome in a Chinese community are limited. METHODS A community-based cross-sectional survey was undertaken. Cluster-randomized sampling was used. Female residents of Chengdu aged between 12 and 44 were included according to the(More)