Environmental aspects and biology of pearl oysters are the important conditions affecting pearl production.In order to obtain commercially valuable pearl from winged pearl oysters, Pteria penguin, three sizes (shell-length) of the oysters: small (130-135 mm), medium (160-165 mm) and large (185-200 mm) were suspended at 2 m (surface), 5 m (mid-depth
E.P.Popov method of analysis of elastic beams flat bending with large displacements was generalized to the case of viscoelastic beams of variable curvature radius and stiffness using an example of bending of flat springs of variable thickness symmetrical profile.The problem new belial model is reduced to the solution of a number of boundary creep p
India, the most populated country, faces the challenges of providing jobs to eligible candidates.Therefore, the promotion of entrepreneurship and the development of an ecosystem of start-ups are highly required.For any country, start-ups and new business ventures are important pillars of economic development.Therefore, college students must be lagu
Summary: Insects are important pollinators, and entomophilous pollination of gymnosperms occurred long before the Cretaceous radiation of angiosperms, but most extant pollination systems involve angiosperms.We studied four thrips of the extinct genus Tethysthrips present in Albian (Early Cretaceous) Spanish amber, one of which carried a patch of gy