8 research outputs found

    Construction of casual surfaces of objects motion of armoured technique

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    В статье предложена методика, которая позволяет произвести построение нормального марковского двумерного стационарного поля второго порядка, моделирующего поверхности движения объектов бронетанковой техники.Запропонована методика дозволяє провести побудову нормального марківського двовимірного стаціонарного поля другого порядку, що моделює поверхні руху об'єктів бронетанкової техніки.The offered method allows to make the construction of the normal markovian двумерного stationary field the second order, designing the surfaces of motion of objects of armoured technique

    Stochastic design of casual surfaces of armoured technique objects motion

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    Рассмотрена задача моделирования случайных поверхностей движения объектов бронетанковой техники. Показано, что такая поверхность представляет собой нормальное марковское двумерное поле, любое ортогональное сечение которого представляет собой стационарный процесс Орнштейна-Уленбека.Розглянуто завдання моделювання випадкових поверхонь руху об'єктів бронетанкової техніки. Показано, що така поверхня є нормальним марківським двовимірним полем, будь-яким ортогональним перетином якого є стаціонарний процес Орнштейна-Уленбека.The task of design of casual surfaces of motion of armoured technique objects is considered. It is rotined that such surface is the normal markovian two-dimensional field any ortogonal section of which is a stationary process of Ornshteyn-Ulenbek

    Revising dating estimates and the antiquity of eusociality in termites using the fossilized birth-death process

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    International audienceDeciphering the timing and tempo of lineage diversification of organisms has greatly benefited from advances in Bayesian phylogenetic analyses using morphological data. Those advances, however, have not been used for termites despite a rich fossil record. Here, we estimate divergence times for living and fossil termites using the fossilized birth–death (FBD) process on a previously published morphological matrix expanded with two new fossils that we describe (see Appendices 1 & 2). Those fossils, based on soldier specimens, are the ‘mid’-Cretaceous mastotermitid Milesitermesengeligen. et sp. nov., and the Middle Eocene Reticulitermesgrimaldiisp. nov. The latter is the oldest occurrence of a Rhinotermitidae soldier and the first termite soldier described from Baltic amber. Our dating estimates provide new stem- and crown-ages for termites, suggesting older ages than previously thought for several lineages. Importantly, crown-Isoptera—and therefore eusociality—may have arisen ~200 Ma. We conclude with further directions to keep improving our understanding of the timing of differentiation in termites.Page 2 of 77Systematic Entomolog

    Revising dating estimates and the antiquity of eusociality in termites using the fossilized birth–death process

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    Scientific Papers and Patents on Substances with Unproven Effects

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    New Insights into Adipokines as Potential Biomarkers for Type-2 Diabetes Mellitus

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