Results 21 to 30 of about 19,572 (118)

A Development Methodology for Copper End Termination Paste — Part 1: Origin of Green Defects

open access: yesActive and Passive Electronic Components, 2002
Copper (Cu) based pastes have emerged as the termination materials of choice for ceramic capacitors with base metal internal electrodes. To prevent oxidation of nickel (Ni) internal electrode and the copper terminations, it is necessary to fire the ...
Umesh Kumar
doaj   +1 more source

New felling ages for the forests of the Republic of Belarus [PDF]

open access: yesСибирский лесной журнал, 2019
Current ages of felling in the forests of Belarus were established in 2001. In production forests they make up 81 years and more for coniferous stands, 101 years or more for hardwood, 61 years or more for birch trees, 51 years and more for black alder –,
V. F. Baginskiy   +2 more
doaj   +1 more source

Climate information use in transportation planning: a survey of Metropolitan Planning Organizations

open access: yesClimate Risk Management
Climate change and its potential to impact transportation systems poses urgent challenges for sustainability and societal well-being, emphasizing a need to plan to reduce transportation infrastructure’s vulnerability to impacts such as sea level rise ...
Kelli M. Archie   +5 more
doaj   +1 more source

Interdisciplinarity in practice: three decades of Earth systems science workshops at the Aspen Global Change Institute

open access: yesEarth Science, Systems and Society
Interdisciplinarity is widely believed to be necessary to further knowledge about complex systems and inform potential solutions. Yet the practice of fostering it is not well articulated, especially by those who regularly do it.
John W. Katzenberger, James C. Arnott
doaj   +1 more source

Youth sport during the COVID-19 pandemic: The influence of race and affluence on parents’ perspectives of youth participation

open access: yesSocial Sciences and Humanities Open
COVID-19 restrictions led to a nearly 50% decline in youth sport participation across the United States (Dorsch et al., 2021). Today, communities and sport organizations have resumed sport.
Amand L. Hardiman   +6 more
doaj   +1 more source

Practitioners’ Needs for Addressing the Challenges of Sea‐Level Rise—A Qualitative Assessment

open access: yesEarth's Future
Practitioners at the local and regional scale are under increased pressure to reduce risks to people and property posed by the threats of sea‐level rise (SLR) and associated impacts.
D. Hirschfeld   +4 more
doaj   +1 more source

The occurrence of fungal and insect pests in riparian stands of the central Hron and Slatina rivers

open access: yesJournal of Forest Science, 2006
The paper deals with the occurrence of fungi and rusts, viruses and insects on main woody species in riparian stands along the middle courses of the Slatina and Hron rivers in Slovakiain 2002-2004.
J. Kodrík, M. Kodrík, P. Hlaváč
doaj   +1 more source

Efficient Cryopreservation of Populus tremula by In Vitro-Grown Axillary Buds and Genetic Stability of Recovered Plants

open access: yesPlants, 2021
Axillary buds of in vitro microshoots were successfully frozen at –196 °C by the one-step freezing method using the protective vitrification solution 2 (PVS2). Microshoots were taken from 11 transgenic lines and three wild type lines.
Elena O. Vidyagina   +2 more
doaj   +1 more source

Increase of energy efficiency of the extraction process

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
At present, there is a tendency to use drugs based on medicinal plants instead of synthetic drugs. And the main advantage is the possibility of using wood waste in the form of bark, leaves and kidneys, since these parts of the trees are waste in ...
N. F. Timerbaev   +3 more
doaj   +1 more source

Rethinking forest‐bird habitat management guidelines in the northern Lake States

open access: yesWildlife Society Bulletin, 2018
Biodiversity challenges require more ecologically based approaches to habitat management of forest wildlife. Although active management is necessary for the conservation of many forest‐dependent wildlife species, some high‐severity (even‐aged) forest ...
R. Gregory Corace III
doaj   +1 more source

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