Results 71 to 80 of about 558,952 (106)

Argilominerais da Formação Codó (Aptiano Superior), Bacia de Grajaú, nordeste do Brasil Clay Minerals From The Upper Aptian Codó Formation, Grajaú Basin, Northeastern Brazil

Latin American Journal of Sedimentology and Basin Analysis, 2006
A Formação Codó, exposta no leste e sul da Bacia de Grajaú, consiste em sistemas deposicionais dos tipos lacustre e sabkha-salt pan, respectivamente, cujos depósitos incluem evaporito, folhelho negro betuminoso, folhelho cinza-esverdeado e calcário ...
Daniele Freitas Gonçalves, Dilce de Fátima Rossetti, Werner Truckenbrodt, Anderson Conceição Mendes   +3 more
doaj  

Spectral and Angular Characteristics of Fast Proton-Induced Luminescence of Quartz

, 2004
Experimental studies of the quartz luminescence during high-energy hydrogen ions bombardment are presented. The influence of observation angle and ion energy on shape of light-spectrum was investigated.
"Kononenko, S.I., Muratov, V.I., Namba, C.", Kalantaryan, O.V.   +3 more
core  

Phase noise characterization of injection locked semiconductor lasers to a 250 MHz optical frequency comb

Two lasers are simultaneously injection locked to the same comb mode and the injection locking quality is assessed in terms of phase noise and phase variance (1 kHz-10 MHz) for various injected ...
Wu, D., Slavík, R., Marra, G., Richardson, D.J.   +3 more
core   +1 more source

Records of the Eaglehawke Union Quartz Mining Company

, 1872
This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete.
Eaglehawke Union Quartz Mining Company
core  

Controlling the Behaviour of Quartz Surfaces: Using Silane Coupling Agents to Minimize Surface Fouling

, 2001
UV radiation disinfection technology is an advantageous method of wastewater disinfection as it avoids the formation of chemical by-products typically found from chlorination.
Ragheb, Amro
core  

Geology of the Mid-Miocene Rooster Comb Caldera and Lake Owyhee Volcanic Field, eastern Oregon: Silicic volcanism associated with Grande Ronde flood basalt

, 2016
T. Benson, G. Mahood
semanticscholar   +1 more source

Records of the Imperial Quartz Mining Co.

This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete.
Imperial Quartz Mining Co.
core  

Letter from Baron d'Eben Comb, Coimbra, April 3, 1809

Letter written by the Baron d'Eben Comb in Coimbra, Portugal on April 3, 1809, to an unidentified recipient addressed as "Sir."This material is part of a larger collection, for which there is a guide on-line at: http://www.lib.utexas.edu/taro/ricewrc ...
Baron d'Eben Comb
core  

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Nonlinear Analysis of Phononic Comb Generation in High-Q Quartz Resonators

2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF), 2020
We report on a nonlinear analysis of high-fidelity, high-Q, phononic frequency combs in AT-cut 100-MHz shear-mode quartz resonators. The comb generation was observed on anharmonic modes above the fundamental mode resonance. These modes exhibited the strongest nonlinearities when driven slightly off resonance at power levels of +11 to +22 dBm.
R. L. Kubena, Y. K. Yong, W. S. Wall, J. Koehl, R. J. Joyce   +4 more
exaly   +3 more sources

Phononic comb generation in high-Q quartz resonators

Applied Physics Letters, 2020
We report on the observation of high-fidelity, high-Q, phononic combs in AT-cut 100-MHz shear-mode quartz resonators. The comb generation was observed on the first spurious mode above the fundamental mode resonance when driven a few kHz off resonance at power levels between +11 and +18 dBm.
R. L. Kubena, W. S. Wall, J. Koehl, R. J. Joyce   +3 more
exaly   +3 more sources