PYCNOGENOL In order to evaluate the safety of the derrick,taking a tower drilling rig derrick as the prototype,scaling factor and steel products style was confirmed,and laboratory model derrick was established.Static and modal finite element simulation analysis and test was done and got the stress distribution rule,the first ten natural frequency a
Modern business results indicate more clearly the increasing negative effects which corporation business strategies, exclusively oriented to making profit, Water Bottle Cap have on population and the planet.Corporative social responsibility (CSR) as a complex system of business and management that balances among the economic, social and ecological
This article considers Russian language attitudes of Canadian Doukhobors, a religious and ethnic minority group of Russian origin who immigrated to Canada in 1899.The significance of the study is determined by a paucity of research devoted to this unique cultural and linguistic group as well as by an urgency of protocolling the language loss.In par