Results 31 to 40 of about 976 (165)
Efficiency Improvement of Near‐Stoichiometric CuInSe2 Solar Cells for Application in Tandem Devices
Advanced Energy Materials, Volume 9, Issue 35, September 19, 2019., 2019 CuInSe2 thin film solar cells are grown with almost stoichiometric absorber compositions. The performance degradation commonly observed for high copper contents is prevented by implementation of an RbF postdeposition treatment. Improvements in carrier concentration and defect density result in cell performance up to 19.2% at a bandgap of 1.00 eV and 24.
Thomas Feurer +7 more
wiley +1 more source
Caracterización etnobotánica de los productos forestales no maderables (PFNM) en el corregimiento de Doña Josefa, Chocó, Colombia [PDF]
Revista Biodiversidad Neotropical, 2012 In this study we identified 221 plant species employed by the villagers from Dona Josefa community placed in Atrato town (Choco, Colombia). We assessed nine categories of use: food, artisanal, medici- nal, ornamental, toxic, magical-religious, fuel, dye and production of latex or exudates.
Angelica Maria Cogollo Calderon +1 more
openaire +1 more source
Implementation of a Cross‐Spectrum FFT Analyzer for a Phase‐Noise Test System in a Low‐Cost FPGA
International Journal of Microwave Science and Technology, Volume 2015, Issue 1, 2015., 2015 The cross‐correlation method allows phase‐noise measurements of high‐quality devices with very low noise levels, using reference sources with higher noise levels than the device under test. To implement this method, a phase‐noise analyzer needs to compute the cross‐spectral density, that is, the Fourier transform of the cross‐correlation, of two time ...
Patrick Fleischmann +4 more
wiley +1 more source
Bosques Latitud Cero, 2021 En los bosques de Ecuador existen especies vegetales que proveen Productos Forestales No Maderables (PFNM), que cumplen un papel importante en la vida y bienestar de las comunidades rurales. Esta investigación se realizó con el objetivo de conocer sobre
Jonathan Michael Lopez Beltran +2 more
doaj
Advances in Materials Science and Engineering, Volume 2012, Issue 1, 2012., 2012 We describe the design and performance of an orthogonal time‐of‐flight (TOF) secondary ion mass spectrometer that can be retrofitted to existing focused ion beam (FIB) instruments. In particular, a simple interface has been developed for FIB/SEM instruments from the manufacturer Tescan.
James A. Whitby +12 more
wiley +1 more source
Bosques Latitud Cero, 2021 La Constitución del 2008 del Ecuador reconoce a la naturaleza como titular de derechos, en este contexto las comunidades que aún conservan sus saberes ancestrales están experimentando procesos de aculturación, con escasa documentación etnobotánica, en ...
Hector Zhiñin Quezada +5 more
doaj
Transmission electron micrographs of ActM and rabbit actin with PfnM.
, 2012 Top row shows ActM filaments without PfnM (left, “-”) and with 4-fold molar excess of PfnM. Bottom row shows rabbit actin controls. Scale bars: 200 nm.
Andreas F. Thünemann (189065) +4 more
core +1 more source
Polymerization and ultracentrifugation of ActM and PfnM.
, 2012 SDS-PAGE of pellet fractions of 7 reactions containing ActM and PfnM in different ratios (indicated at the top) after ultracentrifugation at 100,000 × g.
Andreas F. Thünemann (189065) +4 more
core +1 more source
Fluorescence microscopy of PfnM binding to ActM polymers.
, 2012 FITC stained PfnM (green) co-localizes with phalloidin-TRITC stained ActM polymers (red). Single ActM bundles are covered with PfnM along their length.
Andreas F. Thünemann (189065) +4 more
core +1 more source
Valoración y comercialización de productos forestales no maderables en Cofán Bermejo, Ecuador
Bosques Latitud CeroLos productos forestales no maderables (PFNM) son un componente esencial para la subsistencia de las comunidades rurales amazónicas y la conservación de sus ecosistemas.
Andrea Carolina Beltrán Conlago +2 more
doaj +1 more source