Results 11 to 20 of about 622,224 (403)

Comparative analysis of physical-chemical properties of larch and pine bark: thermal analysis and analytical pyrolysis [PDF]

open access: yesСибирский лесной журнал, 2022
The study focuses on the thermal analysis and flash pyrolysis of bark of Siberian larch (Larix sibirica Ledeb.) and Scots pine (Pinus sylvestris L.). Using thermogravimetry (TG/DTG) and differential scanning calorimetry (DSC), a number of patterns of ...
E. A. Petrunina   +5 more
doaj   +1 more source

Enzymatic Hydrolysis Strategies for Cellulosic Sugars Production to Obtain Bioethanol from Eucalyptus globulus Bark

open access: yesFermentation, 2023
Cellulosic sugars production for the valorization of lignocellulosic biomass residues in an industrial site has economic benefits and is promising if integrated into a biorefinery.
Mariana S. T. Amândio   +2 more
doaj   +1 more source

Low-Cost Biochar Adsorbents for Water Purification Including Microplastics Removal

open access: yesApplied Sciences, 2020
The applicability of steam activated pine and spruce bark biochar for storm water and wastewater purification has been investigated. Biochar samples produced from the bark of scots pine (Pinus sylvestrus) and spruce (Picea spp.) by conventional slow ...
Virpi Siipola   +4 more
doaj   +1 more source

Reflexões sobre a Teoria da Desobediência Civil em Rawls: Roteiro para uma objeção e uma possível justificação do apelo à consciência

open access: yesAufklärung, 2019
A proposta do artigo é refletir sobre uma possível justificação da desobediência civil em situações políticas nas quais não temos ao nosso dipor princípios políticos que traduzam uma concepção arrazoada de justiça à qual possamos apelar para justificar o
Gehad Marcon Bark
doaj   +1 more source

Oviposition by \u3ci\u3eDendrosoter Protuberans\u3c/i\u3e (Hymenoptera: Braconidae) on Larvae of \u3ci\u3eScolytus Multistriatus\u3c/i\u3e (Coleoptera: Scolytidae) Occupied by Larvae of \u3ci\u3eEntedon Leucogramma\u3c/i\u3e (Hymenoptera: Eulophidae) [PDF]

open access: yes, 2017
Dendrosoter protuberans (Nees) was introduced into the United States from France as a possible addition to the existing spectrum of hymenopterous parasites of the smaller European elm bark beetle, Scolytus multistriarus (Marsham). D.
Kennedy, Bruce H
core   +2 more sources

Do bark beetle outbreaks amplify or dampen future bark beetle disturbances in Central Europe?

open access: yesJournal of Ecology, 2020
Bark beetle outbreaks have intensified in many forests around the globe in recent years. Yet, the legacy of these disturbances for future forest development remains unclear.
Andreas Sommerfeld   +5 more
semanticscholar   +1 more source

A Bark Thickness Model for White Spruce in Alaska Northern Forests [PDF]

open access: yes, 2009
Here we developed a simple linear model to estimate white spruce bark thickness in the northern forests of Alaska. Data were collected from six areas throughout interior and southcentral Alaska. Geographic variation of bark thickness was tested between
Liang, Jingjing, Malone, Thomas
core   +3 more sources

Bark-dwelling methanotrophic bacteria decrease methane emissions from trees

open access: yesNature Communications, 2020
Tree stems are an important and unconstrained source of methane, yet it is uncertain whether internal microbial controls (i.e. methanotrophy) within tree bark may reduce methane emissions.
L. Jeffrey   +8 more
semanticscholar   +1 more source

Quercus robur Older Bark—A Source of Polyphenolic Extracts with Biological Activities

open access: yesApplied Sciences, 2022
Processing wood leads to the accumulation of considerable amounts of forest waste, such as branches, leaves and especially bark. These byproducts can be exploited for their high content of biomolecules.
Ruxandra Ștefănescu   +9 more
doaj   +1 more source

Adsorption of an anionic dye (Congo red) from aqueous solutions by pine bark

open access: yesScientific Reports, 2019
Pinus pinaster bark, an abundant by-product from the timber industry, has been studied as a potential low-cost adsorbent for the removal of Congo red (CR) dye from wastewaters.
Khaoula Litefti   +3 more
semanticscholar   +1 more source

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