The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
China found the first case of AIDS in 1985. Since then, China faces an inefficient controlling and critical situation which is just like other developing countries at past 20years. It can be seen easily from present situation of AIDS transmission that the key of AIDS epidemic prevention and control is on prevention and control of AIDS transmission speed and range. That means that AIDS should implement...
In this article, it is explored that how to design and implement a temporal and spatial early warning model for AIDS spread on sex in Kunming (Yunnan province) by using ABM and making spatial analysis by developing in ArcEngine and ArcSDE. Obviously, the method of integration between ABM models and GIS technology is also clarified as a key technology in the text. As a result, based on a spreading...
At the age of post-Kyoto Protocol, international forestry carbon sequestration project not only has strongly achieved the form of harmoniously developing between economy and environment conservancy in developing countries, but also is promoting the relative research on theory and technology in Forestry Carbon Sequestration. And this paper has discussed that how to establish the Geo-Spatial Model of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.