NONLINEAR SIMILAR DESIGN OF LARGE SLENDERNESS RATIO TRUSS BOOM

Nonlinear similar design of large slenderness ratio truss boom

To solve the problem that lacks systematic product spectrum plan and serialization of design methods and theoretical basis in the design process of crawler crane boom, the main boom is as the research object in this paper.Force model is established in luffing plane and rotary plane by the load combination NEFF D65BMP5N0B N70 Built In 60cm 5 Speeds

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THE SPECIAL FEATURES GEOGRAPHICAL SPREADING BUMBLEBEES KIND BOMBUS SOUTH-EASTERN SLOPE OF THE GREATER CAUCASUS

Aim.We studied geographical spreading of bumblebees on South-Eastern slope of the Greater Caucasus by enumerated exponent: accordingly complexions of fauna, zone and landscape spreading.Ascertained special species of Bombus for zone and landscape complexions.Location.SouthEastern slope of the Greater Caucasus.Methods.Except own researches we have a

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