Results 81 to 90 of about 18,636 (231)
On the structure of softwood kraft lignin
, 2017 Two constitutional structural schemes are proposed attempting to unify and rationalize a series of focused NMR and chromatographic determinations aimed at providing an integrated picture for the structure of softwood kraft lignin.
Crestini, Claudia +11 more
core +2 more sources
Agrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.Abstract Research examining the integration of conservation agricultural practices and their medium‐term effects on crop productivity and soil health remain limited within the corn (Zea mays L.)—soybean [Glycine max (L.) Merr.] system of northern US.
Benjamin K. Agyei +2 more
wiley +1 more source
A Re-examination of Factors Affecting United States Softwood Lumber Imports from Canada [PDF]
This paper examines the effects of the lumber price, the housing starts, and the bilateral exchange rate on U.S. softwood lumber imports from Canada in a cointegration framework.
Baek, Jungho
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Management of cover crops and soil amendments affect yield outcomes during organic transition
Agronomy Journal, Volume 118, Issue 5, September/October 2026.Abstract This study sought to assess the impact of cover cropping and high rates of soil amendments on crop yield during organic transition. Compost, biochar, or a “50/50” mixture of the two on a C‐equivalent basis were applied at a rate of 8 Mg C ha−1 per varying application regimens, with and without cover crops, at two locations on the North ...
Fred Teasley +5 more
wiley +1 more source
Economics of the US - Canada Softwood Lumber Dispute: A Historical Perspective [PDF]
This paper reviews the U.S.-Canada softwood lumber dispute over the past two decades by outlining the key developments and critically appraising the arguments put forward by both countries. It also presents a welfare analysis of lumber trade distortions.
Devadoss, Stephen, Rahman, S.M. Osman
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Canada-US Softwood Lumber Trade Revisited: Examining the Role of Substitution Bias in the Context of a Spatial Price Equilibrium Framework [PDF]
In the last two decades, softwood lumber trade between Canada and the United States has been characterized by numerous trade restrictions. Many studies have attempted to quantify the effects of such sanctions, and in doing so, softwood lumber was modeled
Anthony Mogus +2 more
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MICROSTRUCTURAL AND PHYSICAL ASPECTS OF HEAT TREATED WOOD. PART 1. SOFTWOODS
Maderas: Ciencia y Tecnología, 2006 Heat treatment of wood is an effective method to improve the dimensional stability and durability against biodegradation. Optimisation of a two-stage heat treatment process at relatively mild conditions (
M.J Boonstra +7 more
doaj
ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 5, September 2026.A scalable dual‐functional strategy yields simultaneously sulfonated and nanosized cellulose for proton exchange membranes with continuous hydrogen‐bond networks. These sustainable membranes exhibit low‐humidity proton conductivity twofold higher than Nafion 212, providing a robust solution for next‐generation fuel cells.
Nan Li +6 more
wiley +1 more source
INTERNATIONAL PRICE TRANSMISSION IN THE U.S.-JAPAN SOFTWOOD TRADE [PDF]
This article explores the supposition that international price margins in the U.S. Pacific Northwest-Japan softwood trade are influenced by nontariff trade barriers and inelastic supplies of international transportation services.
Gallagher, Paul W.
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Softwood Lumber Imports from Canada: Current Issues [PDF]
, 2017 This report discusses ongoing disputes regarding softwood lumber imports from Canada into the U.S.
Fergusson, Ian F., Hoover, Katie
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