. "336" . "5"^^ . "The possibilities of prediction of twist influence on the yarn packing density and fibers orientation in the staple polypropylene yarn are discussed. The geometrical models are compared with predicted mean orientation from measurements of packing density, yarns acoustic modulus and yarn initial tensile modulus." . . . . "[FFAB68912ADE]" . . "0021-3497" . "RIV/46747885:24410/11:#0000918" . . "RU - Rusk\u00E1 federace" . . "232780" . "Structure and Mechanical Behaviour of Polypropylene Yarns"@en . "Pivo\u0148kov\u00E1, Dagmar" . . . . . "3"^^ . "packing density; fibers orientation; yarns acoustic modulus"@en . "K\u0159emen\u00E1kov\u00E1, Dana" . . "RIV/46747885:24410/11:#0000918!RIV12-MSM-24410___" . . "The possibilities of prediction of twist influence on the yarn packing density and fibers orientation in the staple polypropylene yarn are discussed. The geometrical models are compared with predicted mean orientation from measurements of packing density, yarns acoustic modulus and yarn initial tensile modulus."@en . . "http://www.igta.ru/html/akademiia/izdat/" . "3"^^ . "Structure and Mechanical Behaviour of Polypropylene Yarns" . "Militk\u00FD, Ji\u0159\u00ED" . "24410" . "P(1M0553)" . . "7" . "Structure and Mechanical Behaviour of Polypropylene Yarns" . "IVUZ Technologia Textilnoj Promy\u0161lenosti (English Edition)" . "Structure and Mechanical Behaviour of Polypropylene Yarns"@en . . . .