The author intends to analyze an important issue in connection with the operation of social farms Hungary, namely land acquisition and use by legal persons providing farm services. As Hungarian regulations restrict persons, they exclude enterprises services from this possibility. This restriction makes difficult. article examines respective regulation four other countries comparison Hungarian, ...

The paper presents the results of a comparative analysis design characteristics ships currently used for coal transporting from ports Far East Russia to Asia-Pacific countries with mathematical modeling and optimization oriented economic criteria. effectiveness expediency using in certain directions transportation is considered. influence operating conditions optimal values (speed payload capac...