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Lkhagvasuren, Davaa,Ansorge, Hermann,Samiya, Ravchig,Schafberg, Renate,Stubbe, Anne,Stubbe, Michael The National Institute of Biological Resources 2013 Journal of species research Vol.2 No.1
Based on 440 skulls recently collected from two areas of the wild ass population in Mongolia, the time course of tooth eruption and replacement was investigated. The dentition pattern allows identification of age up to five years. We also conclude that annual lines in the tooth cementum can be used to determine the age in years for wild asses older than five years after longitudinal tooth sections were made with a low-speed precision saw. The first upper incisor proved to be most suitable for age determination, although the starting time of cement deposition is different between the labial and lingual sides of the tooth. The accurate age of the wild ass can be determined from the number of annual lines and the time before the first formation of the cementum at the respective side of the tooth.
Nadine Ansorg 한국외국어대학교 국제지역연구센터 2014 International Area Studies Review Vol.17 No.3
How and under what conditions does war spread into regions and do regional conflict systems evolve? These systems are defined as geographically bound spaces of insecurity, ones that are characterized by interdependent armed conflicts in which a plurality of actors who concur and/or interact within complex networks, and on different levels of action, participate. The regionalization of armed conflict is conceptualized as either the geographical diffusion to a new territory or as the escalation of violence within the very same territory, with the involvement therein of a multiplicity of actors. The processes of diffusion and escalation of civil war in potential and existent regional conflict systems in sub-Saharan Africa between 1989 and 2010 are analyzed with the help of a multivalue Qualitative Comparative Analysis (mvQCA). By using such a QCA, it is possible to compare several different cases and produce results that go beyond the ones thus far discovered from small-N analyses. By comparing 12 cases it is also possible to identify the causal relationships and interactions between variables. The analysis shows that, in the cases compared, four specific conditions lead to a regional spread of violence: economic networks sustained through the support of neighboring countries; an intervention on the part of the government; militarized refugees; and, non-salient regional identity groups.