Water transport inside carbon nano-tubes (CNTs) has attracted considerable attention due to its nano-fluidic properties, its importance in nonporous systems, and the wide range of applications in membrane desalination and biological medicine.Recent studies show an enhancement frizz ease air dry waves of water diffusion inside nano-channels dependin
Objectives: To evaluate compliance with the self-regulation agreement of the food and drink vending machine sector in primary schools in Madrid, Spain.Methods: Cross-sectional study of the prevalence of vending machines in 558 primary schools in 2008.Using the directory of all registered primary schools in Madrid, we tiny gum squares identified the
Abstract Background Spatial accessibility to healthcare facilities has drawn much attention in health geography.In China, central and local governments have aimed to develop a well-organized hierarchical system of healthcare facilities in recent years.However, few studies have focused on the measurement of healthcare accessibility in a hierarchical