Results 241 to 250 of about 224,948 (306)

Ultra-trace ²³⁹Pu and ²⁴⁰Pu determination in soils using optimized leaching, vacuum-assisted TEVA separation, and isotope dilution ICP-MS. [PDF]

Anal Bioanal Chem
Dicen G, Guillevic F, Kobler J, Corcho Alvarado JA, Röllin S, Evrard O, Alewell C.   +6 more
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Carbon Isotopic Characteristics and Evolution of Coal-Measure Gas in the Yushe-Wuxiang Block, Qinshui Basin, China. [PDF]

ACS Omega
Chang Z, Wang Y, Zhu Y, Zhang T, Yang L, Liu M, Yan G, Wang H, Zhang J.   +8 more
europepmc   +1 more source

Permeation behaviour of hydrogen isotopes in molten FLiBe (2LiF-BeF₂): Identifying sources of uncertainty and associated measurement challenges. [PDF]

Int J Hydrogen Energy
Saraswat A, Zhou W, Kim N, Cota JF, Zheng G, Khechfe AA, Barthel CS, Short MP, Delaporte-Mathurin R, Woller KB.   +9 more
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Depressed chemical weathering inhibited climate stabilization after the end-Permian biocrisis. [PDF]

Sci Adv
Wei GY, Zhang F, Zhang H, Lin YB, Yin YS, Gorgij MN, Arefifard S, Algeo TJ, Pogge von Strandmann PAE, Mills BJW, Shen SZ.   +10 more
europepmc   +1 more source

Impact on PET spatial resolution through positron range confinement in a high magnetic field across tissue-equivalent materials. [PDF]

Phys Med Biol
Lopez-Berenguer F, Gonzalez-Montoro A, Freire M, Berr SS, Williams MB, González AJ.   +5 more
europepmc   +1 more source

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ISOTOPIC RESPONSE

International Journal of Dermatology, 1995
Abstract Background. The occurrence of a new skin disorder exactly at the site of another one, already healed and unrelated, was first described in 1955. In 1985, Wolf et al. recognized that we are dealing with a dermatologic phenomenon and established a precise definition for this phenomenon.
WOLF R, BRENNER S, RUOCCO, Vincenzo, FILIOLI FG   +3 more
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Diffusion Isotope Effects in Isotope Mixtures

Berichte der Bunsengesellschaft für physikalische Chemie, 1972
AbstractThe tracer diffusion of deuterium and tritium in the β‐phase of PdHn has been measured by means of special techniques, the time lag method with mass spectrometer or counter tube as detector, and the decay function of isotope exchange. It has been found that D atoms as tracer in β‐PdHn, i.e.
B. Bonn, E. Gans, G. Sicking, E. Wicke
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