A novel contra-wound slow-wave structure for travelling-wave tube amplifier by Jha, Nilotpal

“…A planar version of the contra-wound structure is easily realizable but has not been studied so far. …”
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Wind tunnel test of a ducted fan micro air vehicle during hover flight by Tan, Yi Xiang.

“…One configuration was the single propeller motor configuration with its control surfaces varied, and the other configuration was the contra-rotating propeller motor configuration with its control surfaces varied. …”
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Investigation of the connectivity between the deep cerebellum and thalamic system using trans-synaptic tracers by Heng, Deanna Li-Ying

“…Immunohistochemical techniques revealed the presence of immunoreactive positive signals neurons of the contra- and ipsilateral medial DCN, lateral DCN, superior vestibular nuclei and contralateral spinal trigeminal nucleus. …”
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Theodor Adorno's epistemology : a positive interpretation by Teng, Gerald Yi Shee

“…This paper will advance a novel interpretation of Theodor Adorno’s theory of knowledge, or epistemology, in his magnum-opus, Negative dialectics. I argue, contra the dominant interpretation of Negative Dialectics in the literature, that Adorno can be taken to propound a positive and systematic theory of knowledge despite his commitments to anti-systematicity. …”
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Practical analysis of performance and dynamics of a ducted fan VTOL MAV by Sukhdev Singh.

“…Besides the successful implementation of the experimental set-up, the MAV propulsion system was modified to a contra-rotating motor to provide sufficient static thrust to the MAV during the hover flight. …”
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