The results of experimental studies the ice propulsion CNF22 project passenger-and-freight ferry model are given in article. vessel has a bulbous bow, transom stern and is designed for class Russian Maritime Register Shipping with reinforcements Ice2. choice broken justified resistance curves clear deep water 0.5 m thick concentration 4, 6, 8 points when moving bow forward were obtained. An alg...

We review recent advances on glossopterid reproductive biology and their implications for seed plant phylogeny the ecology of this widespread Permian Gondwanan group. Microsporangiate organs are interpreted to have been arranged in loose compound cones—an organization that evokes comparisons with Ginkgoales, Cordaitales early conifers. The pollen was typically taeniate, bisaccate, primarily ada...

IMPORTANCE In recent years, with the advent of 3-dimensional (3D) imaging techniques, it has become possible to objectively measure rhinoplasty results. However, few studies have used 3D imaging software to assess postoperative rhinoplasty results of the nasal tip. OBJECTIVE To analyze nasal tip volumes of patients with bulbous tips and measure postoperative nasal tip volume changes in patien...