Based on the technology of Internet of things, for the issues of large amount data acquisition and difficult real time transport in the data acquisition of crop growth environment, this paper designs one information collection system for crop growth environment. Utilizing the range free location...

China's fertility level has become a matter of considerable debate since the early 1990s. Despite the widespread concern over data quality, a review of the literature reveals little systematic examination of how fertility data are collected, what specific problems they pose, and how they have...

The risk that flexible forms of employment are harmful to the health of workers is a major public health issue for the many countries, including Australia, where such forms of employment are common or have been growing. We ask whether the century-old system of arbitrated protections for workers...