1. Abstract, Annals of The New York Academy of Sciences, 2014 There is scarce research and programmatic evidence on the effect of poor water, sanitation, and hygiene (WASH) conditions of the physical environment on early child cognitive, sensorimotor, and socioemotional development. Furthermore,...
  2. 水是生命的根本。地球上的淡水有限,而且其质量受到持续的威胁。保持淡水的质量对饮用水的供应、食品生产和娱乐用水十分重要。传染病因子、有毒化学品和放射性危害可影响水的质量。