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.
The atmosphere close to earth is composed of some major and several minor constituents in the form of gases having different concentrations. Certain substances, i.e., gases and radioactive materials, when disturbed by human activities, may produce undesirable effects on human habitat. The current studies were aimed to assess the concentrations of various constituents from sugar mills and brick kilns...
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.