Zobrazeno 1 - 10
of 472
pro vyhledávání: '"K. A. Keller"'
Autor:
J. R. Farmer, K. J. Keller, R. K. Poirier, G. S. Dwyer, M. F. Schaller, H. K. Coxall, M. O'Regan, T. M. Cronin
Publikováno v:
Climate of the Past, Vol 19, Pp 555-578 (2023)
The oxygen isotopic composition of benthic foraminiferal tests (δ18Ob) is one of the pre-eminent tools for correlating marine sediments and interpreting past terrestrial ice volume and deep-ocean temperatures. Despite the prevalence of δ18Ob applic
Externí odkaz:
https://doaj.org/article/3edbc8f0c8ba405b83658f7b461196df
Autor:
A. Motcha Rakkini, L. Mary Arul Rosaline, K. Lucy Keller, S. Nagalakshmi S. Nagalakshmi, J. Amala Infant Joice
Publikováno v:
Oriental Journal Of Chemistry. 38:1148-1155
The present study describes the green synthesis of TiO2 nanoparticles using Sesbania Grandiflora and Solanum nigrum leaf extracts. The characterisation of synthesised nanoparticles is carried out using XRD and FTIR. The photo catalytic degradation of
Autor:
A. Scharmga, K. K. Keller, M. Peters, A. van Tubergen, J. P. van den Bergh, B. van Rietbergen, R. Weijers, D. Loeffen, E. M. Hauge, P. Geusens
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract We evaluated whether cortical interruptions classified as vascular channel (VC) on high-resolution peripheral quantitative computed tomography (HR-pQCT) could be confirmed by histology. We subsequently evaluated the image characteristics of
Externí odkaz:
https://doaj.org/article/43e279d9054e4e26ac692344cc08148d
Autor:
K. M. Keller, S. Lienert, A. Bozbiyik, T. F. Stocker, O. V. Churakova (Sidorova), D. C. Frank, S. Klesse, C. D. Koven, M. Leuenberger, W. J. Riley, M. Saurer, R. Siegwolf, R. B. Weigt, F. Joos
Publikováno v:
Biogeosciences, Vol 14, Iss 10, Pp 2641-2673 (2017)
Measurements of the stable carbon isotope ratio (δ13C) on annual tree rings offer new opportunities to evaluate mechanisms of variations in photosynthesis and stomatal conductance under changing CO2 and climate conditions, especially in conjunction
Externí odkaz:
https://doaj.org/article/6c8fd2e1616f49469252d9262f2064a3
Publikováno v:
Earth System Dynamics, Vol 6, Iss 2, Pp 411-434 (2015)
Under the protocols of phase 3 of the Paleoclimate Modelling Intercomparison Project, a number of simulations were produced that provide a range of potential climate evolutions from the last millennium to the end of the current century. Here, we pres
Externí odkaz:
https://doaj.org/article/5b2d46e0479d4f49829816c562742fbd
Publikováno v:
Biogeosciences, Vol 11, Iss 13, Pp 3647-3659 (2014)
For the detection of climate change, not only the magnitude of a trend signal is of significance. An essential issue is the time period required by the trend to be detectable in the first place. An illustrative measure for this is time of emergence (
Externí odkaz:
https://doaj.org/article/06258de306d841fe847a5349bacd8de9
Publikováno v:
Journal of Small Animal Practice. 62:861-865
OBJECTIVES To determine whether rectal temperature was associated with patient mortality in client-owned guinea pigs upon presentation to a veterinary hospital. MATERIALS AND METHODS The medical record database at a veterinary teaching hospital was s
Autor:
C. Veltkamp, J. Zemke, L. Kanbach, J. H. Niess, J. Büning, L. Leifeld, Petra Lynen, K. Herrlinger, B. Kaltz, E. Schnoy, N. Teich, J. Preiβ, T. Andus, F. Hartmann, W. Häuser, P. Hartmann, J. Stein, Ch Maaser, P. Kienle, J. Langhorst, A. Thomann, J. Walldorf, E. F. Stange, St Fichtner-Feigl, Ulf Helwig, Carsten Schmidt, H. Matthes, Irina Blumenstein, M. Kreis, A. Schreyer, J. Klaus, S. In der Smitten, J. Ockenga, F. Autschbach, Axel Dignaβ, K. Kannengieβer, W. Kruis, S. Zeiβig, A. Lügering, D. Bettenworth, Ch Treese, M. Reinshagen, R. Atreya, J. Däbritz, E. Rijcken, O. Bachmann, Ph Esters, B. Bokemeyer, A. Pace, Sibylle Koletzko, T. Brechmann, Britta Siegmund, K. Aden, P. Bufler, Andreas Sturm, Torsten Kucharzik, C. Ott, K. M. Keller, G. Moog, C. Gross, M. Götz, A. J. Kroesen, R. Ehehalt, J de Laffolie, T. Kühbacher, J. C. Hoffmann, U. Böcker, Andreas Stallmach, K. Fellermann
Publikováno v:
Zeitschrift Fur Gastroenterologie
Zeitschrift für Gastroenterologie
Zeitschrift für Gastroenterologie
ZusammenfassungDie COVID-19-Pandemie ist ein weltweiter Ausbruch von neu aufgetretenen Infektionen mit dem SARS-CoV-2-Virus, von denen weltweit derzeit mehr als 10.670.000 Menschen erkrankt sind bzw. waren. In Deutschland leiden ca. 450.000 Patienten
Publikováno v:
Conference on Lasers and Electro-Optics.
We present a compact two-stage optical parametric amplifier that implements ultrabroad phase-matching at degeneracy driven by a ytterbium-based laser, enabling the generation of sub-20 fs pulses at 2 µm with µJ pulse energy.
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 26, Iss 3, Pp 627-635 (2002)
Communities of arbuscular mycorrhizal fungi (AMF) were surveyed in different South Australian ecosystems. The soil was wet-sieved for spore extraction, followed by the determination of presence and abundance of AMF species as well as the percentage o
Externí odkaz:
https://doaj.org/article/19d8162708104cdeaf4213a6de2373a3