Results 11 to 20 of about 115,377,958 (292)

A chronology of the Scythian antiquities of Eurasia based on new archaeological and C-14 data [PDF]

, 2001
The paper is compares the chronology of the monuments of the Scythian epoch located in the east and west of the Eurasian steppe zone on the basis of both archaeological and radiocarbon data.
Vasiliev, S., Kovalyukh, N.,, Alekseev, A.Y., Cook, G., van der Plicht, J., Boltrik, Y., Dergachev, V. A., Bokovenko, N.A., Possnert, G., Alekseev, A.Yu., Sementsov, A., Boltrik, Yu.,, Boltrik, Yu, Chugunov, K. A., Dergachev, V.A., Skripkin, V., Cook, G.,, Dergachev, V.A.,, Sementsov, A.,, Plicht, J. van der,, Scott, E. M., Chugunov, K.A.,, Boltrik, Yu., Zaitseva, G.,, Chugunov, K.A., Zaitseva, G., Alekseev, A.Yu.,, Bokovenko, N.A.,, Skripkin, V.,, Alekseev, A. Yu., Bokovenko, N. A., Scott, E.M., Scott, E.M.,, Kovalyukh, N., Vasiliev, S.,, Plicht, J. van der, Possnert, G.,   +36 more
core   +10 more sources

Extension of Yeast Chronological Lifespan by Methylamine [PDF]

, 2012
Background: Chronological aging of yeast cells is commonly used as a model for aging of human post-mitotic cells. The yeast Saccharomyces cerevisiae grown on glucose in the presence of ammonium sulphate is mainly used in yeast aging research.
Lefevre Sophie D., Sanjeev Kumar, Ida J van der Klei, van der Klei Ida J., Klei, Ida J. van der,, Kumar, Sanjeev, Sophie D Lefevre, van der Klei, Ida J., Lefevre, Sophie D., Kumar Sanjeev, Kumar, Sanjeev,, Veenhuis, Marten,, Veenhuis Marten, Marten Veenhuis, Veenhuis, Marten, van der Klei, Ida J.; id_orcid, Lefevre, Sophie D.,   +16 more
core   +3 more sources

Arterial Age and Early Vascular Aging, But Not Chronological Age, Are Associated With Faster Thoracic Aortic Aneurysm Growth

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2023
Background Aneurysm size is an imperfect risk assessment tool for those with thoracic aortic aneurysm (TAA). Assessing arterial age may help TAA risk stratification, as it better reflects aortic health.
Owais Mian, Nicolas Santi, Munir Boodhwani, Luc Beauchesne, Kwan‐Leung Chan, Carole Dennie, George A. Wells, Thais Coutinho   +7 more
doaj   +1 more source

FROM CHRONOLOGICAL NETWORKS TO BAYESIAN MODELS: CHRONOLOG AS A FRONT-END TO OXCAL [PDF]

, 2022
We present a new method for creating an OxCal Bayesian model that bypasses the complex task of writing OxCal code. Our methodology employs the recent ChronoLog software as a graphical front-end for generating OxCal scripts.
Piasetzky, E, Fantalkin, A, Finkelstein, I, Levy, E   +3 more
core   +2 more sources

Longitudinal fundus imaging and its genome-wide association analysis provide evidence for a human retinal aging clock

eLife, 2023
Biological age, distinct from an individual’s chronological age, has been studied extensively through predictive aging clocks. However, these clocks have limited accuracy in short time-scales.
Sara Ahadi, Kenneth A Wilson, Boris Babenko, Cory Y McLean, Drew Bryant, Orion Pritchard, Ajay Kumar, Enrique M Carrera, Ricardo Lamy, Jay M Stewart, Avinash Varadarajan, Marc Berndl, Pankaj Kapahi, Ali Bashir   +13 more
doaj   +1 more source

How large are temporal representativeness errors in paleoclimatology? [PDF]

Climate of the Past, 2020
Ongoing work in paleoclimate reconstruction prioritizes understanding the origins and magnitudes of errors that arise when comparing models and data. One class of such errors arises from assumptions of proxy temporal representativeness (TR), i.e., how ...
D. E. Amrhein, D. E. Amrhein
doaj   +1 more source

Radiocarbon dating uncertainty and the reliability of the PEWMA method of time-series analysis for research on long-term human-environment interaction. [PDF]

PLoS ONE, 2018
Statistical time-series analysis has the potential to improve our understanding of human-environment interaction in deep time. However, radiocarbon dating-the most common chronometric technique in archaeological and palaeoenvironmental research-creates ...
W Christopher Carleton, David Campbell, Mark Collard   +2 more
doaj   +1 more source

No no-go: A remark on time machines [PDF]

, 2011
We present a counterexample to Krasnikov's (2002) much discussed time machine no-go result. In addition, we prove a positive statement: a time machine existence theorem under a modest "no holes ...
Manchak, John Byron, John Byron Manchak
core   +1 more source

Frontier Literature on Time Sequence Social Media Data Analysis Based on Large Language Model [PDF]

SHS Web of Conferences
With the continuous iteration of Large Language Model (LLM) technology, it has slowly become an important tool in social media data analysis. However, social media data has its own characteristics, such as strong chronological order, content is easy to ...
Jiang Wendi
doaj   +1 more source

Cardiovascular health in the menopause transition: a longitudinal study of up to 3892 women with up to four repeated measures of risk factors

BMC Medicine, 2022
Background Women experience adverse changes in cardiovascular health in mid-life; whether the menopausal transition influences these remains strongly debated.
Gemma L. Clayton, Ana Gonçalves Soares, Fanny Kilpi, Abigail Fraser, Paul Welsh, Naveed Sattar, Scott M. Nelson, Kate Tilling, Deborah A. Lawlor   +8 more
doaj   +1 more source