Results 31 to 40 of about 492 (115)

Thermal analysis of wood of the main tree species of Central Siberia [PDF]

open access: yesСибирский лесной журнал, 2015
Thermal decomposition of wood from coniferous and deciduous species of Siberia has been studied using thermogravimetry (TG) and differential scanning calorimetry (DSC).
S. R. Loskutov   +2 more
doaj   +1 more source

Elements content in tree rings from Xi'an, China and environmental variations in the past 30 years [PDF]

open access: yes, 2018
Using inductively coupled plasma mass spectrometry (ICP-MS) and inductively coupled plasma atomic emission spectroscopy (ICP-AES), the characteristics of chemical elements were analyzed in white poplar (Populus bonatii Levl.) and ailanthus (Ailanthus ...
Cherubini, Paolo   +5 more
core   +1 more source

Vegetation and Acidification [PDF]

open access: yes, 2006
In this chapter, the impact of watershed acidification treatments on WS3 at the Fernow Experimental Forest (FEF) and at WS9 on vegetation is presented and summarized in a comprehensive way for the first time.
Adams, Mary Beth   +7 more
core   +3 more sources

Assessment of the environmental toxicity and carcinogenicity of tungsten-based shot. [PDF]

open access: yes, 2009
The toxicity of elemental tungsten released from discharged shot was assessed against previous studies that established a 1% toxic threshold for soil organisms.
Harrison, Paul T. C.   +2 more
core   +1 more source

Chemical elements recorded by Quercus mongolica Fisch. ex Ledeb. Tree rings reveal trends of pollution history in Harbin, China [PDF]

open access: yes, 2023
Rapid industrialization has led to a dramatic increase in air pollution. In China, the factors driving the abundance and composition of smog, particularly fine particulate matter, remain poorly understood, and short-term air pollution data are available ...
Bachmann, Olivier   +5 more
core   +1 more source

Influence of production variables and starting material on charcoal stable isotopic and molecular characteristics [PDF]

open access: yes, 2008
We present a systematic study on the effect of starting species, gas composition, temperature, particle size and duration of heating upon the molecular and stable isotope composition of high density (mangrove) and low density (pine) wood.
Alemany   +76 more
core   +1 more source

Emprego da fluorescência de raios X por dispersão de energia para o mapeamento de troncos de árvores em Campinas, São Paulo Energy dispersive X-ray fluorescence applied to mapping of tree stems in Campinas, São Paulo

open access: yesQuímica Nova, 2009
Dendrochemistry is based on the determination of elements retained in tree rings, which can be useful to characterize environmental occurrences. This work shows elemental mappings obtained by EDXRF of the cross section of a tree stem.
José Augusto da Col   +1 more
doaj   +1 more source

Dendrochemical forensics as material evidence in courts: How could trees lie? [PDF]

open access: yes, 2021
The legal admissibility of scientific tools, such as dendrochemistry providing forensic evidence for criminal or civil cases, critically relies on the quality of fundamental and applied scientific research.
Balouet, Chris   +5 more
core   +2 more sources

Academic Science and New Industrialization (Example of the Komi Republic) [PDF]

open access: yes, 2016
Today, the new guidelines of strategic planning for the development of Russia and its regions are increasingly determined by science and technological progress.
Lazhentsev, V. N.
core   +1 more source

Modern means of assessing the impact of emergencies on the environmental condition of the ground layer of atmosphere [PDF]

open access: yes, 2021
The problem of emergencies will not leave humanity as long as it exists, and therefore it is necessary to at least create conditions under which it is possible to reduce the risks of injuries, diseases and deaths of people who are in the emergency zone.
Cherniak, Larysa   +4 more
core   +4 more sources

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