Jun 24, 2013· Syphilis incidence among men who have sex with men (MSM) continues to rise despite attempts to increase screening and treatment uptake. We examined the marginal effect of increasedfrequencyversus increased coverage of screening on syphilis incidencein Toronto,Canada. We developed an agent-based, network model of syphilis transmission, representing a core population of 2,000high…
Whatever your requirements, you 'll find the perfect service-oriented solution to match your specific needs with our help.We are here for your questions anytime 24/7, welcome your consultation.
Chat OnlineVibratory feeder in the production line can transport the material with the shape of massive and particles smoothly to the feeding device in a stable time.
Flotation machine (also called flotation separator) is applicable for the separation of nonferrous metal and ferrous metal and nonmetal, such as fluorite and talc.
The combination crusher is a new generation high efficiency crushing machine designed and researched by integrating the domestic and foreign crusher technology with the same kinds and optimizing the main technical parameters.