نتایج جستجو برای: earth pressure balance epb
تعداد نتایج: 629206 فیلتر نتایج به سال:
Objectives: Virtual reality is a new technology that has been recently used for different purposes in the rehabilitation of children. This study aimed to investigate the effectiveness of this method in balance rehabilitation of children with Cerebral Palsy (CP). Methods: This was an A-B-A design single subject study in which 3 children with hemiplegic CP participated. The baseline phase and in...
چکیده ندارد.
Abstract. This paper presents an overview and the current status of hosting the electrostatic plasma brake (EPB) experiment onboard the Finnish Aalto-1 satellite. The goal of the experiment is to demonstrate the use of an electrostatically charged tether for satellite attitude and orbital maneuvers. The plasma brake device is based on electrostatic solar sail concept, invented in Finnish Meteor...
Samarium-neodymium isotope data for six lunar basalts show that the bulk Moon has a 142Nd/144Nd ratio that is indistinguishable from that of chondritic meteorites but is 20 parts per million less than most samples from Earth. The Sm/Nd formation interval of the lunar mantle from these data is 215(-21)(+23) million years after the onset of solar system condensation. Because both Earth and the Mo...
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