نتایج جستجو برای: manipulation
تعداد نتایج: 62397 فیلتر نتایج به سال:
Stereotypically, computation involves intrinsic changes to the medium of representation: writing new symbols, erasing old symbols, turning ears, flipping switches, sliding abacus beads. Perspectival computation leaves the original inscriptions untouched. The problem solver obtains the output by merely alters his orientation toward the input. There is no rewriting or copying of the input inscrip...
Marionettes are string-operated puppets. It is an ancient and universal form of performing art which still evolves slowly today. From the engineering perspective, the marionette is a wire(or string-) driven multi-limbed under-actuated mechanism under gravity influence that exhibits rich kinematic and dynamic behaviours. This article introduces the evolution and the engineering aspect of traditi...
Object grasping and manipulation in robotics has been largely approached using visual feedback. Human studies on the other hand have demonstrated the importance of tactile and force feedback to guide the interaction between the fingers and the objects. Inspired by these observations we propose an approach that consists in guiding a robot’s actions mainly by tactile feedback, with remote sensing...
Background and purpose : Penile fracture is the rupture of the corpus cavernousum due to trauma to the erect penis , which has various background etiologies in different countries according to their habits. The aim of this study was to determine and evaluate the frequency, etiologies and complications of penile fracture in our geographic area. Material and Methods : This analytical-cross s...
This study aimed to evaluate the effect of peer performance, future competitive performance and factors of correlation with peer companies on the manipulation of abnormal real operations. The research subjects included listed companies in Tehran Stock Exchange during 2013-2017. In total, 128 companies were selected as the statistical sample using systematic elimination approach. Peer performanc...
in this paper, the effect of air relative humidity and capillary force on contact geometry of surfaces based on jkr model by atomic force microscopy was investigated in order to manipulate nano-particles. with transition from macro to nano-scale, the effect of surface forces becomes more significant in comparison with inertial force. because contact mechanics models are based on surface energy ...
Background and Objectives: Following the emergence of COVID-19 caused by the SARS-CoV2, the reasons for the emergence of the novel virus have been the subject of interest for molecular biology researchers and news agencies. This article attempted to emphasize all aspects of the emergence of this virus and discuss the latest information related to its development. Materials and Methods: From th...
Wood continues to increase in importance as a sustainable source of energy and shelter. Wood formation is a dynamic process derived from plant secondary (radial) growth. Several experimental systems have been employed to study wood formation and its regulation. The use of genetic manipulation approaches and genome-wide analyses in model plants have significantly advanced our understanding of wo...
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