Results 41 to 50 of about 11,305 (222)

Informe de responsabilidad corporativa [PDF]

open access: yes, 2007
No s'actualitza més aquest registre.Continuació de : Informe anual ...
Grupo Antena 3
core  

Rancang Bangun Antena Mikrostrip Model Biquad untuk Komunikasi Wireless dengan Pandu Gelombang Coplanar pada Frekuensi 5.8 GHz

open access: yesPositron, 2018
Telah didesain dan difabrikasi sebuah antena mikrostrip model biquad yang mampu bekerja pada frekuensi wireless yaitu 5.8 GHz yang dapat digunakan sebagai media transformasi data.
Megastin Massang Lumembang   +1 more
doaj   +1 more source

Simulasi Pencitraan Logam dengan Antena Bowtie Terkopel Bolometer pada Radiasi Gelombang THz

open access: yesJurnal Nasional Teknik Elektro dan Teknologi Informasi, 2020
Transportasi udara merupakan salah satu moda transportasi dengan peningkatan jumlah penumpang yang signifikan. Namun, dalam perkembangannya moda ini rawan aksi terorisme dan sabotase, yang sebagian besar disebabkan oleh kelalaian dalam mendeteksi barang ...
Catur Apriono, Hendry Steven Marbun
doaj   +1 more source

Revision of Manettia (Rubiaceae) in Paraguay

open access: yesNordic Journal of Botany, Volume 2026, Issue 2, February 2026.
Manettia Mutis is a Neotropical genus comprising over 100 species, many of which are only known from their original descriptions or, at most, from revisions dating back over 100 years. Recent review studies have remained unpublished for several years. Conventional taxonomic methods are followed.
Silvana Yasmin Gauto   +2 more
wiley   +1 more source

Perancangan Antena Mikrostrip Array Multiple Input Multiple Output (MIMO) 4 Elemen Dengan Slits dan Slots

open access: yesDinamika Rekayasa, 2022
Penelitian ini mengusulkan perancangan dan simulasi antena mikrostrip dengan metode array Multiple Input Multiple Output (MIMO) dengan 4 elemen dengan penambahan slits dan slots pada frekuensi kerja 3,5 GHz. Bahan substrat yang digunakan pada perancangan
Fahrul Solehudin   +2 more
doaj   +1 more source

Carbon Emissions From Low‐Order Streams in a Tropical, High‐Elevation, Peatland Ecosystem Are Mediated by Catchment Morphology

open access: yesWater Resources Research, Volume 61, Issue 4, April 2025.
Abstract Inland waters emit large amounts of carbon and are key players in the global carbon budget. Particularly high rates of carbon emissions have been reported in streams draining mountains, tropical regions, and peatlands. However, few studies have examined the spatial variability of CO2 concentrations and fluxes occurring within these systems ...
Keridwen M. Whitmore   +5 more
wiley   +1 more source

Calvatomina antena Nguy

open access: yes, 2022
Published as part of Nguyen, Anh T. T., Thuy, Kim N. & Arbea, Javier I., 2022, Catalogue of Vietnamese springtails (Hexapoda, Collembola), pp.
Nguyen, Anh T. T.   +2 more
openaire   +2 more sources

Beyond Income Disparities: Perceived Health and Education Inequities Drive Actions to Reduce Economic Inequality

open access: yesEuropean Journal of Social Psychology, Volume 55, Issue 2, Page 396-415, March 2025.
ABSTRACT Perceiving income disparities has a limited impact on attitudes towards reducing economic inequality. In this research, we proposed a novel and alternative strategy by focusing on other aspects intrinsically related to economic inequality, such as unequal access to health and education resources.
Francisco Miguel Soler‐Martínez   +2 more
wiley   +1 more source

Funciones del documentalista en la televisión digital

open access: yesEm Questão, 2013
Se analizan los distintos perfiles profesionales existentes entre los gestores de información de las cadenas televisivas a la vista de las modificaciones planteadas en los sistemas de análisis, producción, distribución y almacenamiento de información ...
Pilar Arranz-Escacha   +1 more
doaj  

The specialised buzz pollination syndrome poses a partial barrier to plant invasions

open access: yesJournal of Ecology, Volume 112, Issue 8, Page 1686-1700, August 2024.
We found that plants that exhibit traits consistent with the buzz‐pollination syndrome are underrepresented as invasive species across the globe. Our result suggests that the specialist buzz‐pollination syndrome poses a partial barrier to plant invasions. Our review also highlighted six alternative insect behaviours that can enable invasive plants with
Laura C. Lopresti   +2 more
wiley   +1 more source

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