Results 31 to 40 of about 905,881 (218)

In vitro culture, cryopreservation, and field reintroduction of the endangered Mingan thistle

open access: yesConservation Biology, EarlyView.
Abstract Current plant conservation efforts are hindered by, for example, poor seed germination, low viability, and insufficient propagation and preservation technologies. To address these problems, we devised an approach to plant conservation that integrates conservation, preservation, and restoration (CPR), which uses advanced in vitro techniques. We
Mukund R. Shukla   +4 more
wiley   +1 more source

Modelo analítico para evaluar un yacimiento mineral aplicación en un proyecto de minado superficial

open access: yesRevista del Instituto de Investigación de la Facultad de Minas, Metalurgia y Ciencias Geográficas, 2018
Este estudio presenta un modelo analítico simplificado para valorar un yacimiento mineral en un proyecto de explotación o que se encuentra en explotación. Las variables que aparecen en el modelo son las leyes medias de los metales contenidos, el tonelaje
Oswaldo Ortiz Sánchez
doaj   +1 more source

Analisis Perbedaan Harga, Volume Perdagangan, Dan Return Saham Sebelum Dan Sesudah Informasi Akuisisi Pada PT. Xl Axiata Tbk.. Dan PT. Agung Podomoro Land Tbk. [PDF]

open access: yes, 2016
Economic development requires company to work better and be able to survive from an intense competition between companies. In modern era, telecommunication and property industries are the most developed industry. In maintaining the continuity of business,
Prabawani, B. (Bulan)   +1 more
core  

Fight song: variation in singing behaviour and song structure during natural agonistic interactions in a tropical songbird, Adelaide's Warbler (Setophaga adelaidae)

open access: yesIbis, EarlyView.
Birds may use their singing behaviours and song structure as agonistic signals in territorial encounters. We conducted an observational study to test this hypothesis in male Adelaide's Warblers Setophaga adelaidae, a tropical songbird that defends a territory year‐round.
Peter C. Mower   +4 more
wiley   +1 more source

Monetary Policy Rules in Colombia [PDF]

open access: yes
Este estudio reporta estimaciones de una función de reacción de política monetaria para Colombia durante el período 1991 a 1999. Los resultados indican que durante este período el Banco Central adoptó una regla implícita cuyo objetivo era la tasa de ...
Bernal Raquel
core   +3 more sources

Relación entre la tasa de aprobación de estudiantes de la Facultad de Medicina y la evaluación del desempeño docente del periodo 2017

open access: yesEnsayos Pedagógicos, 2019
Este artículo de investigación se ubica en el tipo de estudio científico que aborda la relación entre la tasa de aprobación de estudiantes y la evaluación del desempeño docente de la Facultad de Medicina de la Universidad Federada de Costa Rica, San ...
Fabiola Quiroz Condori   +3 more
doaj   +1 more source

EFEKTIVITAS YOGA DALAM MENGATASI KECEMASAN IBU HAMIL DAN DEPRESI POSTPARTUM: SYSTEMATIC REVIEW

open access: yesJournal of Community Mental Health and Public Policy, 2022
Yoga is often used as a stress management therapy that involves the human body as a whole, and is more often chosen as a therapy for anxiety or depression. Methods: Research design systematic review.
Tasa Nabilla, Endang Dwiyanti
doaj   +1 more source

The pivotal functionality of the amyloid protein TasA in bacillus physiology and fitness [PDF]

open access: yes, 2018
Biofilms are complex bacterial communities formed on any virtual surface and composed of cells embedded in an extracellular matrix. Studies on Bacillus subtilis have demonstrated this tissue-like structure comprised of diverse exopolymeric substances ...
Cámara-Almirón, Jesús   +6 more
core   +1 more source

Do Criminalization Policies Impact Local Homelessness?

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Local criminalization policies draw on the logic of deterrence to levy costs on individuals who engage in behaviors that are closely associated with various public concerns, such as those criminalizing behaviors associated with homelessness, thereby potentially reducing community‐level costs.
Hannah Lebovits, Andrew Sullivan
wiley   +1 more source

ACERCA DE LA NATURALEZA TRIBUTARIA DE LAS CUOTAS DE URBANIZACIÓN DERIVADAS DE LA EJECUCIÓN DEL PLANEAMIENTO URBANÍSTICO [PDF]

open access: yesCrónica Tributaria, 2008
Este trabajo analiza la naturaleza jurídica de las cuotas de urbanización a satisfacer como consecuencia de la ejecución del planeamiento, cuestión candente atendiendo al auge de la actividad urbanística.
Juan Benito Gallego López
doaj  

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