Zobrazeno 1 - 10
of 181
pro vyhledávání: '"M. Helfrich"'
Publikováno v:
SOIL, Vol 7, Pp 347-362 (2021)
Geogenic organic carbon (GOC) from sedimentary rocks is an overlooked fraction in soils that has not yet been quantified but influences the composition, age, and stability of total organic carbon (OC) in soils. In this context, GOC is the OC in bedro
Externí odkaz:
https://doaj.org/article/c55beae86e4d43dba200ae45286c56dc
Autor:
P. Wordell-Dietrich, A. Wotte, J. Rethemeyer, J. Bachmann, M. Helfrich, K. Kirfel, C. Leuschner, A. Don
Publikováno v:
Biogeosciences, Vol 17, Pp 6341-6356 (2020)
Large amounts of total organic carbon are temporarily stored in soils, which makes soil respiration one of the major sources of terrestrial CO2 fluxes within the global carbon cycle. More than half of global soil organic carbon (SOC) is stored in sub
Externí odkaz:
https://doaj.org/article/a3ba88f224454cf3ae82ce2f931fdfc7
Publikováno v:
Biogeosciences, Vol 12, Iss 21, Pp 6291-6299 (2015)
The mean residence times (MRT) of different compound classes of soil organic matter (SOM) do not match their inherent recalcitrance to decomposition. One reason for this is the stabilization within the soil matrix, but recycling, i.e. the reuse of "o
Externí odkaz:
https://doaj.org/article/1921e5c27fc546dd90e5f8a55b9e2ff5
Publikováno v:
Biogeosciences, Vol 12, Iss 20, Pp 5929-5940 (2015)
Independent of its chemical structure carbon (C) persists in soil for several decades, controlled by stabilization and recycling. To disentangle the importance of the two factors on the turnover dynamics of soil sugars, an important compound of soil
Externí odkaz:
https://doaj.org/article/aac471858d6b4e7582f6e28fe9d82145
Publikováno v:
SOIL, Vol 1, Iss 1, Pp 475-489 (2015)
Leaching of nutrients from agricultural soils causes major environmental problems that may be reduced with amendments of chars derived from pyrolysis (pyrochars) or hydrothermal carbonization (hydrochars). Chars are characterized by a high adsorption
Externí odkaz:
https://doaj.org/article/0f00cb1f0522404eabb08229a3aaf739
Akademický článek
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Autor:
Alison M Helfrich, Michael Rajnik, Cecilia P. Mikita, Joseph W. May, Jennifer C Geracht, Blake T Cirks, Olcay Y Jones
Publikováno v:
Military Medicine
The novel human coronavirus of 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has quickly swept throughout the entire world. As the ongoing pandemic has spread, recent studies have described children presenting with a multisystem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::575d76776f8a64556f70c1d46dbae4ee
https://doi.org/10.1093/milmed/usaa508
https://doi.org/10.1093/milmed/usaa508
Akademický článek
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Publikováno v:
Travel medicine and infectious disease. 47
The Deployment and Travel Medicine Knowledge, Attitudes, Practices, and Outcomes Study (KAPOS) evaluates health outcomes and provider practices associated with travel and deployments within the US Military Health System. We analyzed prescribing error
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::069716ed8c61a5cf3733f60b85639b5d
https://pubmed.ncbi.nlm.nih.gov/35307541
https://pubmed.ncbi.nlm.nih.gov/35307541
Publikováno v:
Journal of Pediatric Hematology/Oncology
The literature regarding coronavirus disease of 2019 (COVID-19) infection in pediatrics indicates that children have less severe clinical presentations and lower mortality rates. There remains limited data regarding hematologic sequelae in pediatric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ab64617bc1dfbbef5cb3b0d7ea16ca7
https://doi.org/10.1097/mph.0000000000001961
https://doi.org/10.1097/mph.0000000000001961