Results 71 to 80 of about 4,048,734 (328)

Synergistic efforts in specimen digitisation, curation and cataloguing of Brazil's megadiverse flora and funga

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The advancement of digital technologies has brought a rapid global information exchange, impacting all areas of our lives. This also applies to science. Knowledge, conservation and scientific innovation on global biodiversity are being strengthened and disseminated at unprecedented scales.
Ana Flávia Alves Versiane   +9 more
wiley   +1 more source

A assistência estudantil nos Institutos Federais de Educação, Ciência e Tecnologia

open access: yesSER Social, 2018
O objetivo deste artigo é analisar a execução do Programa Nacional de Assistência Estudantil, a partir das normativas institucionais dos 38 Institutos Federais de Educação (IFs) e seus campi, para identificar as ações priorizadas.
Talita Prada   +1 more
doaj   +1 more source

Imperfect factor mobility, unemployment, and the short-period incidence of a capital income tax [PDF]

open access: yes
A crucial feature of the short-run perspective in many policy-relevant issues is the existence of unemployment due to wage rigidities. At the same time, imperfections in the degree of factor mobility between sectors or regions determine the nature and ...
José Manuel González-Páramo
core  

Producción de recursos de aprendizaje apoyados en Realidad Aumentada por parte de estudiantes de magisterio

open access: yes, 2016
La realidad educativa y tecnologica en las aulas de los diferentes niveles academicos en nuestro sistema educativo en la actualidad, viene de la mano de la incorporacion de nuevas herramientas que acerquen a los alumnos y alumnas, de forma sencilla ...
J. B. Osuna, Óscar Gallego Pérez
semanticscholar   +1 more source

Tracing holotype trajectories: Mapping the movement of the most valuable herbarium specimens

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Global efforts to protect biodiversity depend on fair access to key plant specimens. This study examines the distribution of 119,361 holotypes—unique herbarium specimens used to formally describe new plant species. By linking collection and storage data, we found that holotypes are increasingly held closer to their places of origin, particularly in ...
Dominik Tomaszewski   +2 more
wiley   +1 more source

Fiscal descentralization and the quality of government: evidence from panel data [PDF]

open access: yes
In this paper we focus on the relationship between fiscal decentralization and government quality. In a sample of 29 developing and developed countries over the period 1984-1997, fiscal decentralization has a positive effect on institutional quality but ...
Andreas Kyriacou, Oriol Roca sagalés
core  

Effect of impurities and sintering temperature on properties of MgO-CaZrO3 ceramic [PDF]

open access: yes, 2013
CaZrO3 -MgO ceramics are useful as refractories in kilns for the cement production. One method of manufacture of such ceramics is by sintering from m-ZrO2 and dolomite MgCa(CO3 )2 mixtures. In this work electrofused m-ZrO2 grains (fraction
Aglietti, Esteban Fausto   +2 more
core   +2 more sources

A manifesto for plant science education

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Plants provide oxygen, food, shelter, medicines and environmental services, without which human society could not exist. Tackling pressing and global challenges requires well‐trained plant scientists and plant‐aware individuals. This manifesto provides a practical evidence‐based vision to strengthen plant science education, focussed on five strategic ...
Elizabeth Alvey   +42 more
wiley   +1 more source

Income Tax and Top Incomes over the Twentieth Century [PDF]

open access: yes
The first section of the paper gives a stylised account of the development of the UK income tax structure over the past 200 years, and refers to recent changes in other OECD countries. The second section turns to the distribution of income and summarises
A. B. Atkinson
core  

Mapping arboretum research: Trends, gaps, and opportunities for biodiversity conservation, society, and climate resilience

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Arboreta bridge people and nature while conserving tree biodiversity, supporting climate resilience, and advancing environmental education. This study maps over a century of available and indexed arboretum research, uncovering trends, knowledge gaps, and opportunities for collaboration.
Catarina Patoilo Teixeira   +1 more
wiley   +1 more source

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