Alle Ressourcen

D7: Report describing the development of one aqueous certified reference material that is certified for the same stable isotope ratios of B, Cd, Li, Ni, Pb and U with lowest possible uncertainties (2025); Cankur, Oktay ; Süleyman Z. ; Engin, Betül ; Andreasen, Rasmus ; Eberhardt, Janine ; et al. DOI: 10.7795/120.20251218
Measurement data for the hyperfine splitting and the lifetime of the ²F_⁷⁄₂ clock state in ¹⁷³Yb⁺ (2025); Yu, Jialiang DOI: 10.7795/720.20251216
D3: Report describing the development of measurement methods for isotope ratios that are traceable to the SI and summarising the advantages/disadvantages of applying them to more commonly available techniques by providing suitable operation procedures focusing on stable polluting elements (2025); Zuliani, Tea ; Žerdoner, Tjaša ; Malinovskiy, Dmitriy ; Engin, Betül ; Prem Pranav, Seena ; et al. DOI: 10.7795/120.20251212
Bestimmung und Angabe von kleinstmöglichen Messunsicherheiten bei der Kalibrierung von elektronischen nichtselbsttätigen Waagen : Expertenbericht DKD-E 7-4 (2025); Fritsch, Klaus ; Grunenberg, Otto ; Häfner, Martin ; Haller, Julian ; Knopf, Dorothea ; et al. DOI: 10.7795/550.20251210
Liste der bei der PTB angezeigten Marken und Herstellerzeichen gemäß § 24 Abs. 6 Waffengesetz (WaffG) (2025); Physikalisch-Technische Bundesanstalt (PTB), Fachbereich 1.3 "Geschwindigkeit" DOI: 10.7795/520.2025120524
Liste der bei der PTB angezeigten und geprüften Schusswaffen gemäß § 9 Abs. 2 Nr. 1 Beschussgesetz (BeschG) (2025); Physikalisch-Technische Bundesanstalt (PTB), Fachbereich 1.3 "Geschwindigkeit" DOI: 10.7795/520.2025120509
Liste der von der PTB zugelassenen Schusswaffen gemäß § 8 Beschussgesetz (BeschG) (2025); Physikalisch-Technische Bundesanstalt (PTB), Fachbereich 1.3 "Geschwindigkeit" DOI: 10.7795/520.2025120508
Additional data for the publication: Domain formation and structural stabilities in mixed-species Coulomb crystals induced by sympathetically cooled highly charged ions (2025); Rüffert, Luca-Amadeus DOI: 10.7795/710.20251208
Harmonisation of methane isotope ratio measurements from different laboratories using atmospheric samples (2025); Dasgupta, Bibhasvata ; Menoud, Malika ; van der Veen, Carina ; Levin, Ingeborg ; Veidt, Cora ; et al. DOI: 10.7795/120.20251126G
Global inventory of doubly substituted isotopologues of methane (Δ13CH3D and Δ12CH2D2) (2025); Defratyka, Sara ; Fernandez, Julianne ; Adnew, Getachew ; Dong, Guannan ; Douglas, Peter ; et al. DOI: 10.7795/120.20251126F
Methane Sources in Cluj-Napoca, Romania: Insights From Isotopic Analysis (2025); Van Es, Jacoline ; van der Veen, Carina ; Baciu, Calin ; Hmoudah, Mustafa ; Menoud, Malika ; et al. DOI: 10.7795/120.20251126E
Developing calibration and measurement capabilities for atmospheric CH₄ stable-isotope ratios at NMIs/DIs: Metrology for global comparability (2025); Srivastava, Abneesh ; Chartrand, Michelle ; Camin, Federica ; Mohn, Joachim ; Sperlich, Peter ; et al. DOI: 10.7795/120.20251126D
Rapid High-Sensitivity Analysis of Methane Clumped Isotopes (Δ13CH3D and Δ12CH2D2) Using Mid-Infrared Laser Spectroscopy (2025); Zhang, Naizhong ; Prokhorov, Ivan ; Kueter, Nico ; Li, Gang ; Tuzson, Béla ; et al. DOI: 10.7795/120.20251126C
Performance of Cryogenic Adsorbents for Use in Methane Bulk and Clumped Isotope Analysis (2025); Kueter, Nico ; Zhang, Naizhong ; Meissner, Jan G. C. ; Monnereau, Léna ; Magyar, Paul M. ; et al. DOI: 10.7795/120.20251126B
D6: Paper on the status and future direction for CH4 isotope measurements and use of atmospheric transport modelling in verifying Europe’s CH4 emissions and informing policy decisions to 2050 submitted to a peerreviewed journal (2025); Ramsden, Alice E. ; Ganesan, Anita L. ; Rigby, Matthew ; Rennick, Chris ; Safi, Emmal ; et al. DOI: 10.7795/120.20251127F

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