192 research outputs found

    The study of the spin-orbit and inner dynamics of the Moon: Lunar mission applications

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    In view of the forthcoming Lunar mission SELENE (Japan) with geodetic experiments on board and with an optical telescope on the lunar north pole, a contribution of the theory of lunar rotation in order to study of inner dynamics is considered. Our present knowledge of the interior structure is reviewed, and it is shown how the data from SELENE can be used to improve this knowledge. The emphasis is put on the evidences of lunar core existence and on the necessity to take this fact into account in the lunar libration theory. It is considered, that in accordance with the general properties of resonant motion the synchronous satellites execute some free oscillations in the neighborhood of the stationary periodic solutions (in the neighborhood of Cassini's motion). The periods of these librations are evaluated. The model of the two-layer Moon gives several normal rotational modes; one of them - the Free Core Nutation (FCN) - can play an important role in the determination of the core's parameters. © 2005 COSPAR. Published by Elsevier Ltd. All rights reserved

    ИССЛЕДОВАНИЕ ВЕЛИЧИНЫ ДЕФОРМАЦИИ, НАПРЯЖЕНИЙ И СОБСТВЕННЫХ ЧАСТОТНЫХ КОЛЕБАНИЙ ЗВЕЗДНОГО ДАТЧИКА ПРИ ЭКВИВАЛЕНТНОМ ИНЕРЦИОННОМ НАГРУЖЕНИИ

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    The 3D-model of the star sensor was design in the Pro/ENGINEER program. Mechanical analysis of rigidity of the construction was carry out in MSC Patran program. The value of the deformation and equivalent stress by gravitation 1g and 30g for loading by axis X, Y, was carry out. Account of self frequency in range of 200 to 6000 Hz was compute, and for the first 10 modes were received shapes of oscillation of the device. В среде САПР Pro/ENGINEER создана трехмерная модель звездного датчика, посредством программного пакета MSC Patran проведен механический анализ жесткости конструкции изделия. Определены величины деформаций и эквивалентных напряжений при инерционных нагрузках под воздействием гравитации 1 g и 30 g для нагрузки по осям X, Y и Z. Проведен расчет собственных частот колебаний в диапазоне от 200 до 6000 Гц и для первых 10 мод получены формы колебаний изделия.

    Neurogenic bladder: etiology and assessment

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    A review of the various causes of neurologic impairment to the lower urinary tract in children was the aim of this presentation. The emphasis was on diagnosis, pathophysiology, and treatment that strive to maintain as normal a function as possible in order to achieve eventual urinary continence and health of the upper urinary tract. The latest principles based on the most up to date evidence are promulgated but with an eye towards historical prospective. The reader should gain an adequate understanding of various disorders that comprise this condition and feel comfortable with proposing options for management when faced with the responsibility of caring for an affected child

    Effectiveness and cost-effectiveness of transmural collaborative care with consultation letter (TCCCL) and duloxetine for major depressive disorder (MDD) and (sub)chronic pain in collaboration with primary care: design of a randomized placebo-controlled multi-Centre trial: TCC:PAINDIP

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    __Abstract__ Background: The comorbidity of pain and depression is associated with high disease burden for patients in terms of disability, wellbeing, and use of medical care. Patients with major and minor depression often present themselves with pain to a general practitioner and recognition of depression in such cases is low, but evolving. Also, physical symptoms, including pain, in major depressive disorder, predict a poorer response to treatment. A multi-faceted, patient-tailored treatment programme, like collaborative care, is promising. However, treatment of chronic pain conditions in depressive patients has, so far, received limited attention in research. Cost effectiveness of an integrated approach of pain in depressed patients has not been studied. This article describes the aims and design of a study to evaluate effects and costs of collaborative care with the antidepressant duloxetine for patients with pain symptoms and a depressive disorder, compared to collaborative care with placebo and compared to duloxetine alone

    Overactive bladder – 18 years – Part II

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