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- Arroyo-Pardo, E., Gruen, R. & Perez-Gonzalez, A. (2014). Aspartic acid racemization as a dating tool for dentine: A reality. Quaternary Geochronology 22: 43-56…9 kB (1045 palabras) - 18:59 4 ene 2024
- for the Antiquity of Man in North America Deduced from Aspartic Acid Racemization». Science (en inglés) 184 (4138): 791-793. ISSN 0036-8075. doi:10.1126/science…467 kB (35 006 palabras) - 02:55 31 may 2024
Resultados de la Wikipedia en inglés.
- racemization. Thus, measuring the ratio of D to L in a sample enables one to estimate how long ago the specimen died. The rate at which racemization proceeds…15 kB (1778 palabras) - 11:37 4 abr 2024
- chronometric or calendar dating, as use of the word "absolute" implies an unwarranted certainty of accuracy. Absolute dating provides a numerical age…14 kB (1774 palabras) - 03:07 8 nov 2023
- In chemistry, racemization is a conversion, by heat or by chemical reaction, of an optically active compound into a racemic (optically inactive) form…13 kB (1548 palabras) - 05:41 21 mar 2023
- Chronological dating, or simply dating, is the process of attributing to an object or event a date in the past, allowing such object or event to be located…18 kB (2113 palabras) - 06:47 2 jun 2024
- Aspartic-Acid Racemization Ages Archived 2015-03-20 at the Wayback Machine PNAS abstract URL. Bada, J. L. (1985). "Amino Acid Racemization Dating of Fossil…11 kB (1314 palabras) - 08:19 3 mar 2024
- artifacts found in the caves were estimated to date back to 377 A.D. through the racemization dating technique conducted by the University of California's…2 kB (161 palabras) - 02:17 16 feb 2024
- analyzed and OSL dating of quartzite within the soil context to between 500,000 and 50,000 years ago, with amino acid racemization dating some contexts to…21 kB (2658 palabras) - 14:13 8 nov 2023
- These methods include lichenometry, dendrochronology, and amino-acid racemization. Geoarchaeology Geomorphology Hydrology Neotectonics Palynology Sedimentology…4 kB (322 palabras) - 04:05 1 mar 2024
- George F. Carter (sección Criticism of dating)advances allowed for a new dating technique called amino acid racemization to be used on ancient human remains. Amino acid racemization was pioneered by Jeffry…12 kB (1437 palabras) - 02:41 6 oct 2023
- energy than the transition states for hydrogenation, resulting in rapid racemization and high yields of a single enantiomer of the product. The enantiomers…57 kB (6914 palabras) - 02:14 2 abr 2024
- Methamphetamine (redirección desde Racemic methamphetamine)Methamphetamine properly refers to a specific chemical substance, the racemic free base, which is an equal mixture of levomethamphetamine and dextromethamphetamine…150 kB (14 837 palabras) - 07:56 26 may 2024
- Amphetamine (redirección desde Racemic amphetamine sulfate)dextroamphetamine. Amphetamine properly refers to a specific chemical, the racemic free base, which is equal parts of the two enantiomers in their pure amine…258 kB (26 889 palabras) - 12:44 27 may 2024
- (Bergeretal, 1971; Berger, 1975). Subsequently, a D/L aspartic acid racemization value of 26,000 years was obtained using the C-dated Laguna human skull…20 kB (2473 palabras) - 06:23 18 sep 2023
- Adderall (categoría Racemic mixtures)containing four salts of amphetamine. The mixture is composed of equal parts racemic amphetamine and dextroamphetamine, which produces a (3:1) ratio between…56 kB (21 461 palabras) - 05:02 4 jun 2024
- longer lasting, so that the plant is evergreen. The inflorescence is an open raceme or panicle, the number of flowers varying by species. Individual flowers…13 kB (1243 palabras) - 16:48 11 mar 2024
- L-excesses, and racemic mixtures: glutamic acid, serine, and threonine were found to have ~50 – 99% L-excesses, while alanine was racemic. It has been proposed…30 kB (3244 palabras) - 14:48 23 may 2024
- Styphnolobium japonicum (categoría CS1 maint: date and year)axillary, not terminal, racemes. The leaves are alternate, pinnate, with nine to 21 leaflets, and the flowers in pendulous racemes similar to those of the…8 kB (807 palabras) - 19:00 1 abr 2024
- fire. The site has been dated through radiocarbon dating to 180,000 BP, through amino-acid racemization. Fire was used for heat treatment of silcrete stones…52 kB (6226 palabras) - 05:30 5 may 2024
- Acanthaceae (sección Dating the Acanthaceae lineage)actinomorphic, and arranged in an inflorescence that is either a spike, raceme, or cyme. Typically, a colorful bract subtends each flower; in some species…31 kB (2403 palabras) - 19:53 15 may 2024
- L. Bada, B. Herrmann, I. L. Payan and E. H. Man (1989), "Amino acid racemization in bone and the boiling of the German Emperor Lothar I", Applied Geochemistry…29 kB (3203 palabras) - 00:29 2 jun 2024
- bloom in August and September regardless of rainfall; they occur in short racemes, and have a honey scent. The flowers have short, cream-yellow corollas…9 kB (1039 palabras) - 04:48 2 may 2024