Results 91 to 100 of about 40,409 (198)
The Possibility of Thermal Instability in Early-Type Stars Due to Alfven Waves
, 1998 It was shown by dos Santos et al. the importance of Alfv\'en waves to explain the winds of Wolf-Rayet stars. We investigate here the possible importance of Alfv\'en waves in the creation of inhomogeneities in the winds of early-type stars.
Barlow M. J. +21 more
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Plantation of Brazilian pine to nuts production as a conservation tool
, 2012 The wood of Brazilian pine (Araucaria angustifolia (Bertol.) O. Kuntze) had great economic importance in Brazil, mainly between 1930 to 1970. The deforestation caused a drastic reduction in population size of Brazilian pine and currently it integrates the list of Brazilian threatened species.
Danner, Moeses Andrigo +2 more
openaire +1 more source
Forest industries in South American countries [PDF]
This paper analyzes the performance of forest industries in South American countries. Special attention is given to the relationships that exist between the evolution of forest industries and the exploitation of natural and planted forest as well as on ...
Bacha, Carlos
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Structure determination of a 4-pyrone from the liverwort Plagiochila bifaria (Sw.) Lindenb. (Plagiochilaceae) [PDF]
, 2008 The centenary of the presentation in 1907 of the "polyketide" hypothesis by Collie, along with his use of a 4-pyrone as an example, is marked by reporting the discovery and isolation of 2-(3,4-dimethoxyphenethyl)-6-methyl-4-pyrone from <i> ...
Rycroft, D.S.
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Remote sensing in forestry: Promises and problems [PDF]
There are no author-identified significant results in this ...
Heller, R. C.
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Stewardship Plan for Garrity Reserve, Lee, NH [PDF]
, 2010 The 16.02-acre Garrity Reserve lies on the west side of Garrity Road in the northeast region of the Town of Lee, New Hampshire (Map 1). The Garrity Reserve is identified on the Lee Tax Map as Map 9 Lots 3- 0 and 3-1 (Appendix A). The parcel has just over
Snyder, Ellen
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Ciência Florestal, 2016 There are currently in operation five major European industrial processes for wood thermal modification. They improve wood’s dimensional stability and decay resistance, but are not efficient against termites attack.
Djeison Cesar Batista +4 more
doaj
A preliminary treatment of the Central American species of Octoblepharum (Musci: Calymperaceae) [PDF]
, 1991 The species of Octoblepharum occurring in Central America have been critically examined. Six are recognized as valid species: O. albidum, O. cocuiense, O. cylindricum, O. erectifolium, O. pulvinatum and O. stramineum. Synonyms are given for these species:
Allen, Noris Salazar
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Halting Neotropical Deforestation: Do the Forest Principles Have What It Takes? [PDF]
, 1996 INTRODUCTION I crashed into the thick secondary growth, stopping suddenly to duck a certain branch in my path: a fat black bullet ant crawled along it with indifference, an attitude that would have quickly changed had I brushed up against him.
Royer, Matthew B.
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Practical method for germination of Araucaria angustifolia (Bert.) O. Ktze. seeds
Scientia Agricola, 2003 The germination of seeds of Araucaria angustifolia (Brazilian Pine) is generally a slow and fastidious process that causes loss of many seeds because of the incidence of pathogens.
Moreira-Souza Milene +1 more
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