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.
Preliminary laboratory tests verified the fact that chemical changes, which were sporadically shown by colour changes of polymers, took place at very small gamma radiation doses, even though these were only slightly increased as compared to the permanent Earth radiation. These changes take place in waterproofing plastic foils within a relatively short period of time due to microflora impact.
Długotrwała ekspozycja na warunki atmosferyczne różnych konstrukcji powoduje powstawanie na ich powierzchni osadów nieorganicznych i organicznych, które są źródłem pożywienia dla mikroorganizmów. Trzema podstawowymi grupami mikroorganizmów, które mogą zasiedlać powłoki lakierowe są grzyby, algi oraz bakterie. Wszystkie mikroorganizmy potrzebują zarówno wody jak i składników odżywczych oraz, jak algi,...
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.