192 research outputs found
The study of the spin-orbit and inner dynamics of the Moon: Lunar mission applications
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
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
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
Recommended from our members
Environmental justice and conceptions of the green economy
Green economy has become one of the most fashionable terms in global environmental public policy discussions and forums. Despite this popularity, and its being selected as one of the organizing themes of the United Nations Rio+20 Conference in Brazil, June 2012, its prospects as an effective mobilization tool for global environmental sustainability scholarship and practice remains unclear. A major reason for this is that much like its precursor concepts such as environmental sustainability and sustainable development, green economy is a woolly concept which lends itself to many interpretations. Hence, rather than resolve long-standing controversies, green economy merely reinvigorates existing debates over the visions, actors and policies best suited to secure a more sustainable future for all. In this review article, we aim to fill an important gap in scholarship by suggesting various ways in which green economy may be organized and synthesized as a concept, and especially in terms of its relationship with the idea of social and environmental justice. Accordingly, we offer a systemization of possible interpretations of green economy mapped onto a synthesis of existing typologies of environmental justice. This classification provides the context for future analysis of which, and how, various notions of green economy link with various conceptions of justice
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
__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
- …