Ruthenium(II)biscarboxylate‐Catalyzed Hydrogen‐Isotope Exchange by Alkene C−H Activation
Sign Up to like & getrecommendations! Published in 2018 at "ChemCatChem"
DOI: 10.1002/cctc.201801601
Abstract: Ruthenium(II) biscarboxylate catalysis enabled efficient hydrogen isotope exchange of acrylic C−H bonds with user‐friendly D2O. The C−H labelling was characterized by excellent positional selectivity and a broad functional group tolerance. The deuteration was successfully conducted… read more here.
Keywords: ruthenium; hydrogen isotope; ruthenium biscarboxylate; isotope exchange ... See more keywords
Paleotemperature reconstructions using speleothem fluid inclusion analyses from Hungary
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2020.120051
Abstract: Abstract The combined use of the stable isotope compositions of speleothem carbonate and inclusion-hosted water presents great potential in paleotemperature reconstructions, due to the various temperature-dependent isotope fractionations detected in cave systems and their environment.… read more here.
Keywords: isotope; water; oxygen isotope; inclusion ... See more keywords
Deuterium retention removal in China reduced activation ferritic-martensitic steels through thermal desorption and hydrogen isotope exchange
Sign Up to like & getrecommendations! Published in 2018 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2017.11.024
Abstract: Abstract Effective removal of deuterium and tritium trapping in fusion reactor materials is of great importance both to recycle fuel and prevent the performance degradation. Experiments on deuterium removal in China Low Activation Martensitic (CLAM)… read more here.
Keywords: thermal desorption; deuterium; removal; hydrogen isotope ... See more keywords
Trace tritium removal in China reduced activation ferritic-martensitic steels through thermal desorption with/without hydrogen isotope exchange
Sign Up to like & getrecommendations! Published in 2019 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2019.111330
Abstract: Abstract Effective removal of deuterium and tritium accumulated in fusion reactor materials is crucial for practical and safe fusion energy. In this paper, investigations on tritium removal in China Low Activation Martensitic (CLAM) steel and… read more here.
Keywords: tritium removal; tritium; hydrogen isotope; isotope exchange ... See more keywords
Hydrogen isotope exchange in tungsten during heating in hydrogen isotope gas atmosphere
Sign Up to like & getrecommendations! Published in 2020 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2020.111703
Abstract: Abstract In the present study, successive exposure to tritium gas and deuterium gas was performed at elevated temperatures for tungsten samples with irradiation defects created by helium ion irradiation to investigate the effects of hydrogen… read more here.
Keywords: tritium; deuterium gas; hydrogen isotope; gas ... See more keywords
Hydrogen isotope ratios of terrestrial leaf wax n-alkanes from the Tibetan Plateau: Controls on apparent enrichment factors, effect of vapor sources and implication for altimetry
Sign Up to like & getrecommendations! Published in 2017 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2017.04.035
Abstract: Abstract Empirical evidence suggested that the altitudinal dependence of hydrogen isotope ratios of leaf wax n -alkanes ( δ D wax ) can be used to estimate paleoaltitudinal changes. However, the application of δ D… read more here.
Keywords: leaf wax; hydrogen isotope; leaf; water ... See more keywords
Hydrogen isotope effect of nanoporous palladium
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2020.09.210
Abstract: Abstract Materials used in hydrogen isotopes separation are crucial in modern hydrogen energy field. In this article, a promising material nanoporous palladium was prepared and its relative properties were studied. Nanoporous palladium with pore scale… read more here.
Keywords: nanoporous palladium; microscopy; hydrogen; hydrogen isotope ... See more keywords
The subseafloor thermal gradient at Iheya North Knoll, Okinawa Trough, based on oxygen and hydrogen isotope ratios of clay minerals
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2019.07.017
Abstract: Abstract We measured the oxygen and hydrogen isotope ratios of smectite, chlorite, and illite in hydrothermally active sediments at the Iheya North Knoll, Okinawa Trough, obtained by seafloor drilling of active hydrothermal fields during the… read more here.
Keywords: isotope; hydrogen isotope; clay minerals; oxygen ... See more keywords
Hydrogen isotope fractionation in modern plants along a boreal-tundra transect in Alaska
Sign Up to like & getrecommendations! Published in 2020 at "Organic Geochemistry"
DOI: 10.1016/j.orggeochem.2020.104064
Abstract: Abstract An increasing number of studies from high latitude settings use the stable hydrogen isotope ratio (δ2H) of plant leaf waxes to quantify changes in past precipitation. Calibration of modern vegetation and source water use… read more here.
Keywords: fractionation; water; hydrogen isotope; modern plants ... See more keywords
Assessing paleohydrologic controls on the hydrogen isotope compositions of leaf wax n-alkanes in Chinese peat deposits
Sign Up to like & getrecommendations! Published in 2019 at "Palaeogeography, Palaeoclimatology, Palaeoecology"
DOI: 10.1016/j.palaeo.2018.12.017
Abstract: Abstract The high concentrations of lipid biomarkers in peat and the close relation between peatland development and hydrological conditions merit further assessment of the paleohydrological proxy potential of the 2H/1H ratio of leaf wax n-alkanes… read more here.
Keywords: chinese peat; leaf wax; peat deposits; hydrogen isotope ... See more keywords
Stable source of Holocene spring precipitation recorded in leaf wax hydrogen-isotope ratios from two New York lakes
Sign Up to like & getrecommendations! Published in 2020 at "Quaternary Science Reviews"
DOI: 10.1016/j.quascirev.2020.106357
Abstract: Abstract Changes in synoptic atmospheric circulation patterns are thought to play a role in establishing millennial scale climate periods during the end of the late glacial and the Holocene. In the northeastern United States, multi-proxy… read more here.
Keywords: holocene; precipitation; hydrogen isotope; leaf wax ... See more keywords