Results 1 to 10 of about 457,272 (378)

The Dielectric Constant of Mica [PDF]

open access: greenPhysical Review, 1922
Dielectric Constant of Mica.---The constant was determined for 18 samples of mica, varying in thickness from 0.005 to 0.073 inch and including 12 different grades. Each sheet was placed between two mercury electrodes and the capacity of the condenser thus formed was determined with a shielded capacity and conductance bridge using alternating current at
J.R. Weeks
openalex   +4 more sources

Mica [PDF]

open access: greenJournal of the Franklin Institute, 1880
n ...
Theo.D. Rand
openalex   +3 more sources

Synthetic mica

open access: hybridMateriales de Construcción, 1950
No ...
Insloy, Van Valkenburg, R. Piko
openalex   +5 more sources

Pairwise-Covariance Multi-view Discriminant Analysis for Robust Cross-View Human Action Recognition

open access: yesIEEE Access, 2021
Human action recognition (HAR) under different camera viewpoints is the most critical requirement for practical deployment. In this paper, we propose a novel method that leverages successful deep learning-based features for action representation and ...
Hoang-Nhat Tran   +5 more
doaj   +1 more source

Geographic distribution notes on Trimetopon barbouri Dunn 1930 from western Panama [PDF]

open access: yesCheck List, 2013
We document the first records of the small colubrid snake Trimetopon barbouri Dunn, 1930, from Coclé Province, Republic of Panama. Comparisons with the type description are presented for one specimen.
Julie Ray   +4 more
doaj   +3 more sources

A New Miniaturized Gas Sensor Based on Zener Diode Network Covered by Metal Oxide

open access: yesMicromachines, 2021
The development of “portable, low cost and low consumption” gas microsensors is one of the strong needs for embedded portable devices in many fields such as public domain.
Vignesh Gunasekaran   +6 more
doaj   +1 more source

Accurate image derived input function in [18F]SynVesT-1 mouse studies using isoflurane and ketamine/xylazine anesthesia

open access: yesEJNMMI Physics, 2023
Background Kinetic modeling in positron emission tomography (PET) requires measurement of the tracer plasma activity in the absence of a suitable reference region.
Alan Miranda   +3 more
doaj   +1 more source

Sapap3 deletion causes dynamic synaptic density abnormalities: a longitudinal [11C]UCB-J PET study in a model of obsessive–compulsive disorder-like behaviour

open access: yesEJNMMI Research, 2020
Background Currently, the evidence on synaptic abnormalities in neuropsychiatric disorders—including obsessive–compulsive disorder (OCD)—is emerging. The newly established positron emission tomography (PET) ligand ((R)-1-((3-((11)C-methyl-(11)C)pyridin-4-
Dorien Glorie   +5 more
doaj   +1 more source

Encoding Capacity Enhancement for Chipless RFID Tag Using Resonant Frequency Placement

open access: yesIEEE Access, 2023
In this study, a novel encoding approach for chipless radio frequency identification (RFID) tags is proposed. This tag is designed with $N$ resonant elements, each of which can be parameterized to resonate at $M$ individual desired frequencies ...
Cong-Cuong Le   +3 more
doaj   +1 more source

Range extension and natural history observations of a rare Panamanian snake, Geophis bellus Myers, 2003 (Colubridae: Dipsadinae) [PDF]

open access: yesCheck List, 2015
The fossorial snake Geophis bellus is a small Panamanian endemic previously known only from the holotype. Here we report additional specimens, which greatly expand the known range of the species ca.
Luis Elizondo Lara   +3 more
doaj   +3 more sources

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