Results 11 to 20 of about 4,050 (268)
Review of studies on motor-manual felling productivity in eucalypt stands [PDF]
Silva Balcanica, 2021 Globally, about 20 million ha of land area is occupied by plantations of Eucalyptus. Motor-manual tree harvest-ing techniques (using chainsaws) are still applied in eucalypt plantations, especially in difficult terrains or for large- sized trees where ...
Mohammad Reza Ghaffariyan
doaj +3 more sources
Waste of Felling and On-Site Production of Teak Squarewood of the Community Forest
Jurnal Manajemen Hutan Tropika, 2012 Major suppliers of teak wood for the raw material of furniture industry in Indonesia are Perum Perhutani, community forests, and private forests. Community teak forest management produce roundwood or squarewood, in which squarewood is produced on the ...
Ahmad Budiaman, Putri Komalasari
doaj +3 more sources
Multi-Analytical Study of Damage to Marine Ballast Tank Coatings After Cyclic Corrosion Testing
Corrosion and Materials DegradationSeawater ballast tanks in vessels are subject to severe service conditions caused by repeated filling/emptying, as well as temperature variation. Consequently, relatively thick, barrier-type coatings are used for corrosion protection of their internals ...
Yanwen Liu +11 more
doaj +1 more source
Does body posture during tree felling influence the physiological load of a chainsaw operator?
Annals of Agricultural and Environmental Medicine, 2017 Introduction and Objectives Holding determined body postures during work is connected with muscles activity. The more forced the posture, the larger the number of muscles taking an active part in holding and stabilizing the work posture.
Witold Grzywiński +4 more
doaj +1 more source
Influence of TiO2 pigment particles on chromate ion transport in epoxy films
npj Materials Degradation, 2021 Transport of active species (i.e., ions) leaching from pigment particles incorporated in a polymer matrix is the main mechanism behind the anticorrosive performance of protective coatings.
Małgorzata Kopeć +7 more
doaj +1 more source
Reduced Impact Logging and Its Effect on Forest Harvesting Operation [PDF]
تحقیقات جنگل و صنوبر ایران, 2014 Forest harvesting is one of the most important objectives of forest management, in which it will cause damages to the residual stand, using any of the current methods, but the improved harvesting methods might reduce these effects.
Hadi Bayati +2 more
doaj +1 more source
Problèmes entomologiques en replantation des palmeraies et des cocoteraies
Oléagineux, Corps gras, Lipides, 2000 C’est aux alentours de la vingt-cinquième année que l’on envisage de replanter une palmeraie. C’est en effet vers cet âge que commencent à se poser des problèmes de récolte en raison de la taille des palmiers.
Mariau Dominique
doaj +1 more source
Productivity and cost of manual felling with a chainsaw in Caspian forests
Journal of Forest Science, 2009 A field production study was conducted for a manual harvesting system using a chainsaw in a Caspian hardwood forest site. A selective cut was performed on a 42-hectare tract with an average slope of 30 percent.
F. K. Behjou +5 more
doaj +1 more source
Journal für die reine und angewandte Mathematik (Crelles Journal), 1997 Plain TeX, 31 pages, no ...
openaire +3 more sources
Early Impact of Childhood Opportunity on Neurocognitive Outcomes in Sickle Cell Disease
Pediatric Blood &Cancer, EarlyView.ABSTRACT Introduction Neurocognitive impairment is a well‐recognized complication of sickle cell disease (SCD) that begins early in childhood and persists across development. While cerebrovascular injury contributes substantially to risk, neurocognitive deficits are also observed in children without overt or silent cerebral infarctions, suggesting ...
Julia E. LaMotte +5 more
wiley +1 more source