the objective of the present investigation was to determine the seroprevalence of coxiella burnetii infection in free-range yaks in china. a total of 552 serum samples were collected from yaks in gansu province, northwest china between april 2013 and january 2014, and antibodies against c. burnetii were evaluated using enzyme-linked immunosorbent assay (elisa). overall, 13.59% (75/552, 95% ci: ...

In recent years, wireless sensor networks have drawn great attention. This type of network is composed of a large number of sensor nodes which are able to sense, process and communicate. Besides, they are used in various fields such as emergency relief in disasters, monitoring the environment, military affairs and etc. Sensor nodes collect environmental data by using their sensors and send them...