Today the resources are becoming scarcer, which should not be regarded as unexhausted any more. Correspondingly, the production would be constrained by the scar
The health impacts of tobacco consumption are well documented and have gained acceptance worldwide. Today, a substantial, preventable burden of tobacco attribut
Ecological city is the advanced mode of harmonious development of city. Constant improvement is being made in the development of ecological city. However, build
Residential water use is gradually becoming the focus in China's municipal water supply planning and management in recent years. Little is known, however, a