Results 41 to 50 of about 46,928 (215)
Hot Water Pretreatment of Boreal Aspen Woodchips in a Pilot Scale Digester
Energies, 2015 Hot water extraction of aspen woodchips was treated at about 160 °C for 2 h with a liquor-to-solid ratio of 4.76:1 in a 1.84 m3 batch reactor with external liquor circulation.
Jipeng Yan, Shijie Liu
doaj +1 more source
, 2023 It\u27s cold out there! Frost: An overlooked aspen disturbance Joseph D. Birch If you have ever decried the arrival of a frost in May or June, you are not alone. As it turns out, late-spring frost is also a problem for aspen.
Western Aspen Alliance
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ACM SIGPLAN Notices, 1977 ASPEN is a "toy" language that has been designed for use in the teaching of compiler construction and is therefore a curious amalgam of highly refined language features that manage to barely cover the full spectrum of algorithmic languages. One selection statement is made to do the work of IF-THEN-ELSE and CASE, but with certain severe restrictions on ...
openaire +2 more sources
, 2017 How to maintain extensive stands of aspen in managed boreal forests Victor Lieffers Historically, Alberta had some of the largest expanses of aspen stands anywhere in North America.
Western Aspen Alliance
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Aspen micropropagation: use for phytoremediation of soils
Journal of Forest Science, 2006 Toxic pollution of soils is a major environmental problem in the Czech Republic. Most contemporary remediation approaches do not provide acceptable solutions.
J. Malá +3 more
doaj +1 more source
, 2010 Tracking contemporary aspen sciences: a critical endeavor for land managers Ron Ryel We know everything there is to know about aspen has been a long-held and common opinion in the western aspen world.
Western Aspen Alliance
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Journal of Forest SciencePioneer tree species in the Czech Republic include birch, alder and aspen. From an economic point of view, birch seems to be the most promising. Greater use of timber from pioneer tree species in higher value-added products is currently limited by the ...
Roman Dudík +4 more
doaj +1 more source
, 2017 Aspen Regeneration for Wildlife in Alaska Tom Paragi Sue Rodman Where aspen reaches its northernmost distribution in North America, land and wildlife managers have taken creative steps in the absence of a fiber market to regenerate aspen for wildlife ...
Western Aspen Alliance
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, 2016 Can aspen persist in conifer dominated forests? Douglas H. Page John D. Shaw In 1998 we measured a large, old aspen in a mixed spruce-fir-aspen forest on the Utah State University T.W. Daniel Experimental Forest in northern Utah.
Western Aspen Alliance
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The Nurse Policy Entrepreneur Café: Redefining Nursing Identity
Interdisciplinary Journal of Partnership StudiesThe nursing profession was established in a spirit of individual policy entrepreneurship, yet this identity has been sparsely activated despite a recognized social contract with the public as a trusted advocate and a history of nurse policy ...
Grace Kistner +4 more
doaj +3 more sources