نتایج جستجو برای: ratio dating

تعداد نتایج: 516686  

Journal: :Academic emergency medicine : official journal of the Society for Academic Emergency Medicine 2013
Rebecca M Cunningham Lauren K Whiteside Stephen T Chermack Marc A Zimmerman Jean T Shope C Raymond Bingham Frederic C Blow Maureen A Walton

OBJECTIVES A recent study demonstrated the efficacy of the SafERteens intervention in reducing peer violence among adolescents presenting to the emergency department (ED). The objective of this study was to determine the efficacy of this ED-based brief intervention (BI) on dating violence 1 year following the ED visit among the subsample of adolescents in the original randomized controlled tria...

2011

In present paper, I will argue that Japanese dating simulation video games can be considered as serious games. Prior to advancing my main argument, I will introduce the popular dating sim LovePlus and relate it to the historization of the concept of „techno-intimacy‟ within the Japanese society. For further contextualization of the field, I will theorize the audience at which dating sims are ai...

Journal: :Nature Biotechnology 1990

Journal: :Nature Reviews Methods Primers 2021

Radiocarbon dating uses the decay of a radioactive isotope carbon (14C) to measure time and date objects containing carbon-bearing material. With half-life 5,700 ± 30 years, detection 14C is useful tool for determining age specimen formed over past 55,000 years. In this Primer, we outline key advances in measurement instrument capacity, as well optimal sample selection preparation. We discuss d...

2016
Taraka Rama

Abstract—The date of the root of the Indo-European language family received much attention due to the application of Bayesian phylogenetic methods since the beginning of the last decade. The inferred root date of the family moved along with the development of new methods and better data. In this paper, I compare two dating techniques known as node-dating and total evidence dating for the Indo-E...

2017
Karoline Gatter Kathleen Hodkinson

Despite common stereotypes about those who use different types of online dating, psychological research on online dating agency users’ characteristics is actually very limited, and no scientific study has yet examined the individual characteristics of TinderTM users. The current exploratory study aimed to investigate why individuals use these services, and how they differ in terms of sociabilit...

2017
Sheng He Yanfang Feng Cheng-Lin Liu

Historical manuscript dating has always been an important challenge for historians but since countless manuscripts have become digitally available recently, the pattern recognition community has started addressing the dating problem as well. In this chapter, we present a family of local contour fragments (kCF) and stroke fragments (kSF) features and study their application to historical documen...

2005
Torben C. Rick René L. Vellanoweth Jon M. Erlandson

Archaeologists have long recognized the problem of the ‘‘old wood’’ effect in radiocarbon dating charcoal and wood samples, the age of which may be hundreds of years older than their use by humans. Such problems have resulted in significant changes in how most researchers select wood and charcoal samples for C dating, with many now using relatively short-lived carbonized materials for dating. D...

Journal: :Child maltreatment 2014
Breanne Faulkner Abby L Goldstein Christine Wekerle

Longitudinal survey data were used to examine the relationship between two types of childhood maltreatment, abuse/neglect and exposure to intimate partner violence (IPV), and two outcomes, substance use and dating violence, within the past year. Participants were youth (N = 158, aged 16-19 at Time 3) involved with child protective services (CPS). A parallel multiple mediator model was used to t...

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