Deterioration of concrete, which is mainly due to ignorance of environmental and service conditions, causes considerable costs for the construction industry. With this in mind, in this paper, results of investigation into the major causes of concrete deterioration in the Urumie Lake are presented. For the purposes of this investigation, samples were obtained by mixing two types of cement (OPC t...

China has seen the fruit of its rapid economic growth over the past two decades, but severe environmental problems have accompanied this, such as the looming danger of Asian Brown Clouds. This paper analyzes the regional development of China by examining economic performance as well as environmental factors. Technical efficiency and productivity changes of thirty-one regions in China during the...

Water and sanitation in hospitals are a serious forgotten issue. Water quality impacts the performance of the hospitals and its deterioration leads to drastic health service deterioration affecting infection control programs, occupational health and safety of the workers as well as the safety of the hospital buildings and its anticipated life service. The integrated environmental management in ...

OBJECTIVE To evaluate associations between adiposity trajectories over time and insulin sensitivity and glucose deterioration in a Chinese twin cohort. RESEARCH DESIGN AND METHODS This study focused on 341 males and 292 females aged 20-50 years at baseline who had physical clinical examinations and oral glucose tolerance test at two time points with an average of 6 years apart. BMI, waist cir...

The first aim of this study was to determine the age group at which marathon performance declines in top male and female runners and to compare that to the runners of average ability. Another aim of this of this study was to examine the age-related yearly decline in marathon performance between age group winners and the average marathon finisher. Data from the New York (NYC), Boston, and Chicag...