Results 201 to 210 of about 181,882 (261)

Molecular and immune profiling of HER2-low, HER2 ultra-low, and HER2-null male breast cancer. [PDF]

Breast
Trapani D, Deshmukh SK, Wu S, Xiu J, Jayachandran P, Gandhi S, Lin NU, Curigliano G, Spanheimer PM, Abravanel DL, Radovich M, Lustberg M, Graff SL, Sledge GW, Tolaney SM, Leone JP.   +15 more
europepmc   +1 more source

A TSV-packaged SP6T RF MEMS switch with ultra-thin profile and suppressed substrate loss for DC to Ku band application. [PDF]

Microsyst Nanoeng
Zhang Y, Wei J, Liu H, Sun J, Wu Q, Li M, Liu Z.   +6 more
europepmc   +1 more source

FEM-Based Design of Mass-Spring Acoustic Matching Layers for Ultra-High-Frequency Ultrasonic Transducers with Half-Concave Piezoelectric Elements. [PDF]

Sensors (Basel)
Zhao J, Zhang Z, Li Z, Li Y, Li Y, Huang G, Yang Y.   +6 more
europepmc   +1 more source

Is Ultra-Long-Term Subscalp EEG Ready to Go "Solo"? Transforming the Landscape of Antiseizure Medication Management. [PDF]

Epilepsy Curr
Feyissa AM.
europepmc   +1 more source

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Underwater ultra-low frequency seismic source

The Journal of the Acoustical Society of America, 2021
The ultra-low frequency band (2–8 Hz) is of interest for geophysical research due to advances in the field of full waveform inversion and elastic impedance measurements. Generating sound in the ultra-low frequency range is a difficult task. A powerful source with an ultra-low frequency should be able to displace hundreds of liters of water per cycle ...
openaire   +2 more sources

A simple, calibrated, ultra-low frequency ballistocardiograph

Medical & Biological Engineering, 1966
The physical basis of ballistocardiography has now been thoroughly investigated and there is general agreement that the ultra-low frequency system is the most satisfactory. The physiological basis of ballistocardiography and its clinical application require further study.
C K, Battye, D C, Deuchar, R E, George, R D, Moore, P J, Winter   +4 more
openaire   +2 more sources

Ultra-low-noise regenerative frequency divider

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2012
We designed ultra-low-noise regenerative divide-by- 2 circuits that operate at input frequencies of 10, 20, and 40 MHz. We achieved output-referred single-sideband residual phase noise equal to -164 dBc/Hz at 10 Hz offset and estimated residual Allan deviation, σ(y)(τ) less than 3 × 10(-15)τ(-1) for a single divider, which is, to our knowledge, the ...
Archita, Hati, Craig W, Nelson, Corey, Barnes, Danielle, Lirette, Jason A, DeSalvo, David A, Howe   +5 more
openaire   +2 more sources

PVDF Piezoelectric Film Accelerometer for Low Frequency and Ultra-Low Frequency

Applied Mechanics and Materials, 2011
The measurement of low and ultra-low frequency vibration has always been a very difficult problem. In this paper, a new structure is designed and a new type of low and ultra-low frequency accelerometer is developed by using a sensitive element PVDF.
Zhou Wan, Tao Ji, Yuan Yuan Shang
openaire   +1 more source