Results 131 to 140 of about 33,048 (279)

Precipitation of Lignin from Softwood Black Liquor: An Investigation of the Equilibrium and Molecular Properties of Lignin

open access: yesBioResources, 2015
Extracting lignin from black liquor is an attractive option in modern pulp mills as a unit process for a combined biorefinery. The lignin obtained can be utilized as solid fuel or other high-value added products.
Weizhen Zhu, Hans Theliander
doaj   +1 more source

Organosolv Fractionation of Softwood Biomass for Biofuel and Biorefinery Applications

open access: yes, 2017
Softwoods represent a significant fraction of the available lignocellulosic biomass for conversion into a variety of bio-based products. Its inherent recalcitrance, however, makes its successful utilization an ongoing challenge.
C. Nitsos, U. Rova, P. Christakopoulos
semanticscholar   +1 more source

Monitoring wildlife using long‐endurance solar‐electric UAVs

open access: yesWildlife Biology, Volume 2026, Issue 5, September 2026.
This report discusses the effectiveness of using small solar‐electric UAV (uncrewed aerial vehicles) for aerial wildlife monitoring. We review four years of aerial wildlife monitoring missions using a 5.5‐m wingspan, solar‐electric UAV that was equipped with a gimballed IR/RGB camera.
Götz Bramesfeld   +3 more
wiley   +1 more source

Inside the Fire Plume Chemical Interactions: A Review on Key Processes and Future Directions

open access: yesReviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract Fire plumes are rising columns of heated air masses, consisting of gaseous and particulate matter generated by combustion, affecting air quality, climate and public health. The chemical species released undergo secondary reactions and participate in chemical and physical interactions, altering the properties of the fire plume.
E. Dovrou, A. Voulgarakis
wiley   +1 more source

Reaction to Commerce Department Softwood Lumber Decision [PDF]

open access: yes, 1992
Reaction to Commerce Department Softwood Lumber ...
Baucus, Max S.
core  

EPiC database - Softwood

open access: yes, 2019
This material is part of the free Environmental Performance in Construction (EPiC) Database. The EPiC Database contains embodied environmental flow coefficients for 250+ construction materials using a comprehensive hybrid life cycle inventory approach ...
Robert Crawford (1147838)   +2 more
core   +1 more source

The NAFTA and the Softwood Lumber Dispute: What kind of Canada-US Partnership? [PDF]

open access: yes, 2002
Introduction; 1. Softwood lumber I and II; 2. Softwood lumber III; 3. The Softwood Lumber Agreement; 4. Softwood lumber IV; 5.
Gagné, Gilbert
core   +1 more source

Anatomy of a Trade Dispute: The Question of Softwood Lumber [PDF]

open access: yes, 1992
It has been called the longest and messiest trade war Canada and the United States have ever had. Without a doubt, the issue of softwood lumber pricing has long been a major irritant in Canada-United States trade relations. On three separate occasions,
Piliounis, Peter
core   +1 more source

Resolving the Softwood Lumber Dispute [PDF]

open access: yes, 2009
This Comment argues that the London Court of International Arbitration will be able to resolve disputes involving softwood lumber but not resolve the softwood lumber dispute. Part II reviews the history of the dispute. Part III discusses the lessons that
Lysons, Sarah E.
core  

Thermal behaviour of hardwood and softwood composites

open access: yes, 2014
In the present study, the thermongravimetric analysis (TGA) of laboratory hardwood and softwood particleboard was studied. The TGA showed that both hardwood and softwood have similar thermal behaviour at the same peak temperature.
Sujeeva Setunge (18029368)   +3 more
core  

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