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.
High-performance slag concrete is more likely to cause the emergence of crack than common concrete. In view of this problem, this paper introduces the forming mechanism of crack in concrete structure and puts forward the corresponding measures and methods. Generally speaking, the internal and external temperature difference at early stage and the basic difference of temperature at later stage are...
Ecotone is regarded widely by scholars of both ecology and environment recently because of its special status in ecological system. The paper described the Ecotone theory and summed up its basic characteristics and function after annotation of its definition. After many kinds of functions and their own characteristic of modern urban waterfront were anal sized, the principle of ldquoecology firstrdquo...
To evaluate the information security risk, an approach called PISRPMA is proposed to model the risk process of Information Security. PISRPMA describes risk domain and risk problem in PDDL language, reasons all exploitation paths using relative algorithms and builds a Planning Exploitation Graph to model the risk process. The experiment shows that this method has the features of formalization and scalability,...
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.