Results 81 to 90 of about 790,945 (214)

Moisture content analysis of wooden bridges [PDF]

open access: yes, 2019
The article deals with assessing the impact of moisture content conditions in wood mass of the wood bridges constructions on their lifespan in Central Europe.
Fojtík, Roman
core  

Maple Syrup Value Systems and Value Chains - Considering Aboriginal and Non-Aboriginal Perspectives [PDF]

open access: yes, 2014
Harvested from both intensive sugar maple stands and diverse mixed forest ecosystems across Ontario, maple syrup is an important rural and Aboriginal non-timber forest product that contributes to social, economic and environmental sustainability.
Chrétien, Annette   +2 more
core   +1 more source

Breaking the elected rules in a field experiment on forestry resources : CSID Working Paper Series [PDF]

open access: yes, 2012
"Harvesting from common resources has been studied through experimental work in the laboratory and in the field. In this paper we report on a dynamic commons experiment, representing a forest, performed with different types of communities of resource ...
Bousquet, François   +4 more
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AVALIAÇÃO NUMÉRICA DO MÓDULO DE ELASTICIDADE EM VIGAS ROLIÇAS DE MADEIRA DA ESPÉCIE Pinus elliottii

open access: yesCiência Florestal, 2016
This research aimed to present a numerical methodology of calculation, based on the Finite Element Method and the Least Squares Method, to determine de longitudinal modulus of elasticity in structural round timber beams, considering the irregularities in
André Luis Christoforo   +5 more
doaj  

Economic substantiation of introduction manipulator machines [PDF]

open access: yes, 2009
Проведен сравнительный анализ классической и проектируемой технологий лесозаготовки и производства круглых лесоматериалов с использованием универсальной манипуляторной машины.The comparative analysis of classical and projected technology of timber ...
Швец, А. В.
core  

Study on photometric method of measering for volume of round timber [PDF]

open access: yes, 2018
В последнее время активно проводятся исследования по применению дистанционных (бесконтактных) способов обмера при учете лесопродукции. Главное их достоинство – возможность осуществлять оперативный контроль за перемещением лесоматериалов, автоматизировать
Герц, Э. Ф.   +2 more
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Technological status and development prospects of small-scale fishing crafts in Nigerian coastal water [PDF]

open access: yes, 2001
A study of fishing crafts was conducted in some coastal states of Nigeria to elucidate findings on the existing crafts as the baseline for further developments.
Ambrose, E.E.   +3 more
core  

Tariff Liberalization, Wood Trade Flows, and Global Forests [PDF]

open access: yes
This paper examines the question of the likely effects on global forests of a further reduction in wood products tariffs including both solid wood products and pulp and paper, as has been proposed to the World Trade Organization (WTO) by the Asia Pacific
Sedjo, Roger, Simpson, R. David
core  

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