Results 81 to 90 of about 232,137 (308)
RESEARCH OF THE THICKNESS NOISE OF MAIN ROTOR IN FAR FIELD
Научный вестник МГТУ ГА, 2016 The results of acoustic characteristics of the main rotor, in particular the thickness noise are presented. The influences of geometric and kinematic parameters on the thickness noise are investigated.
V. A. Golovkin +2 more
doaj
Advanced Science, EarlyView.This study explores the opposing effects of the mGluR2 and mGluR3 receptors on amyloid precursor protein processing. mGluR2 promotes amyloidogenic cleavage, while mGluR3 favors non‐amyloidogenic pathways. Using a brain‐penetrant nanobody as a mGluR2 positive allosteric modulator, the study uncovers how its chronic activation aggravates amyloid‐β burden
Pierre‐André Lafon +21 more
wiley +1 more source
PRESSURE THEORY OF HELICOPTER ROTOR
Вестник Донского государственного технического университета, 2018 A new theory of determining the principal aerodynamic characteristics of the propeller is offered.
Sergey P. Lisin
doaj
Reduction of high-speed impulsive noise by blade planform modification of a model helicopter rotor [PDF]
The reduction of high speed impulsive noise for the UH-1H helicopter was investigated by using an advanced main rotor system. The advanced rotor system had a tapered blade planform compared with the rectangular planform of the standard rotor system ...
Conner, D. A., Hoad, D. R.
core +1 more source
Advanced Science, EarlyView.A phosphorescent dye was designed to fit in a hand‐to‐glove fashion into the 1D‐pore channels of MIL‐68(In). We synthesized MIL‐68(In) as powder and thin films, loaded the dye into the pores with controlled packing, and found that the phosphorescence and quantum yield are enhanced.
Bahram Hosseini Monjezi +12 more
wiley +1 more source
Hover test of a full-scale hingeless rotor [PDF]
The performance and aeroelastic stability in hover of a 9.8-m diameter, hingeless helicopter rotor system was evaluated. Rotor performance and inplane damping data were obtained for rotor operation between 350 and 425 rpm for thrust coefficients (CT ...
Peterson, R. L., Warmbrodt, W.
core +1 more source
Soft and Adhesive Cardiac Patch for Electrophysiological and Contraction Measurement
Advanced Science, EarlyView.This study developed an epicardial electronic patch with a modulus similar to that of the heart (approximately 65kPa), which can collect stable electrocardiogram signals and myocardial contractility on the surface of a dynamically beating heart. This is attributed to the hydrogen bond interaction formed between the amino and catechol groups in the ...
Wuliang Chen +10 more
wiley +1 more source
Wind-tunnel evaluation of an advanced main-rotor blade design for a utility-class helicopter [PDF]
An investigation was conducted in the Langley Transonic Dynamics Tunnel to evaluate differences between an existing utility-class main-rotor blade and an advanced-design main-rotor blade.
Cramer, Robert G., Jr. +4 more
core +1 more source
Secreted Nonstructural Protein 3 is a Pathogenic Determinant of Orbivirus
Advanced Science, EarlyView.This study uncovers a conserved PIP2‐dependent secretory pathway of orbivirus NS3 that induces vascular leakage. Pharmacological disruption of PIP2‐NS3 interaction significantly reduces viral pathogenicity and provides protective efficacy in murine models, establishing PIP2‐mediated NS3 secretion as both a key virulence determinant and a promising ...
Junyong Guan +11 more
wiley +1 more source
Global Energy InterconnectionThis research aims to improve the power output of a horizontal axis wind turbine (HAWT) by using an auxiliary rotor in front of the main rotor, this configuration is called a dual-rotor wind turbine (DRWT). The three-bladed main rotor has a diameter of 0.
Amr Mokhtar +3 more
doaj +1 more source