Zobrazeno 1 - 10
of 30 045
pro vyhledávání: '"ISOTOPE RATIO"'
Publikováno v:
Heritage Science, Vol 12, Iss 1, Pp 1-17 (2024)
Abstract The Eastern Zhou period of China, characterised by complex interactions among vassal states, witnessed significant advancements in bronze production technology. However, the investigation of interactions based on technological comparison amo
Externí odkaz:
https://doaj.org/article/42a317bc60aa4a6584ae9d66863d1bb1
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 5, Pp 647-655 (2024)
High resolution isotope ratio mass spectrometry (HR-IRMS) is often used to measure the abundance of deuterium to verify the efficiency of isotope isolation of a cryogenic distillation column system. In order to achieve precise quantification of hydro
Externí odkaz:
https://doaj.org/article/34edd697d8d245ac9b1b2dc27aba2539
Autor:
Yoshitaka Oishi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-6 (2024)
Abstract Global warming and increased atmospheric nitrogen (N) deposition can adversely impact Sphagnum moss populations and ecological functions in peatlands. Based on the anticipated increases in temperature and N levels at global scale, we investi
Externí odkaz:
https://doaj.org/article/4e3462ed8c3b45d196e5402b73f29296
Publikováno v:
Radiation Protection and Environment, Vol 47, Iss 1, Pp 29-33 (2024)
Particulate matter (PM) in the air has significant implications for human health and the environment, particularly in urban areas with high concentrations. This study focuses on the isotopic (δ13C and δ15N), elemental (CNS) as well as the total car
Externí odkaz:
https://doaj.org/article/a39da0dc1f5b489182895e65730e6c82
Autor:
Annetta Zintl, Michelle Imlau, Jacklyn Schertzer, Han Zhang, Audrey Saint-Marc, Olaf Schmidt, Oscar Toomey, Hanne Jahns
Publikováno v:
Parasitology, Vol 151, Pp 744-752 (2024)
Stranded seals are often infected with a broad range of parasites, although whether they are the cause of significant morbidity or an incidental finding is usually unclear. In this study we used stable isotope ratio analysis, a method frequently used
Externí odkaz:
https://doaj.org/article/fbe31a06ad4540878a053088c90a253f
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 3, Pp 401-411 (2024)
Phosphoric acid is commonly used to react with carbonates to generate carbon dioxide for determining the carbon and oxygen isotopes of carbonates by using online reaction device, for example, GasBench coupled to an isotope ratio mass spectrometer (IR
Externí odkaz:
https://doaj.org/article/64097954b1804e46991663dda0aafe7f
Autor:
Argimiro Sergio Serrano Parra, Jesús Martínez Gascueña, Gonzalo L. Alonso, Cristina Cebrián Tarancón, Adela Mena Morales, Juan L. Chacón Vozmediano
Publikováno v:
OENO One, Vol 58, Iss 3 (2024)
In recent decades, as a consequence of climate change, grape ripening is occurring under warmer and drier conditions, resulting in losses in the yield and quality of wine grapes. Several alternatives may reduce these negative effects. One that stands
Externí odkaz:
https://doaj.org/article/e9c45aaeedcc4b0f97893e42d0b016b1
Autor:
CAI Jieyan
Publikováno v:
Zhiye weisheng yu yingji jiuyuan (2024)
Externí odkaz:
https://doaj.org/article/81e676fe3a8c4717b86270e65bf1454e