Marine ecosystems in temperate regions have been significantly affected by rising seawater temperatures due to climate change.Alveopora japonica, a small zooxanthellate scleractinian coral, occurs in the northwestern Pacific including Taiwan, Japan, and Jeju Island in Korea.The northern populations around Jeju Island have recently undergone rapid g
Introduction.Microleakage is defined as the clinically undetectable seepage of oral fluids containing bacteria and debris between cement layer and tooth restoration.Objective.This in vitro study investigated the effect of different dental cements (zinc-phosphate, polycarboxylate, glass-ionomer and resin cement) on microleakage in different ceramic
The subject.The article analyzes the here constitutional and legal aspects of the formation of the USSR in the context of the theory of federalism.In the course of this analysis, the author examines the constitutional norms regulating the status of sovereign republics as members of the federation.The purpose of the paper is to classify USSR as a ty
At present, running safety in railway vehicles against flange-climb derailment is evaluated based on derailment emtek 2113 quotient.This approach is preferred because measuring contact forces between wheel and rail is relatively easier than measuring the contact condition, and the dynamic condition of the contact forces can theoretically determine