. This paper aims to assess the prospects for diversification of trade routes from China EU, present advantages and disadvantages alternative transport routes. It is especially relevant in connection with six-day blockage Suez Canal by a megaship “Ever Given”, which revealed dangers freight flows concentration on this route world supply chains.

The article is of a scientific nature and its main goal to determine whether there discrimination in the regulatory provisions regarding payment canal dues by international overseas carriers. methodological basis research use comparative approach (comparison various concepts dues) empirical analysis (study court practice). method test decisive importance for this paper. most important conclusio...

BACKGROUND The purpose of this study was to compare the shaping ability of the ProTaper Universal (PTU; Dentsply Maillefer, Ballaigues, Switzerland), WaveOne (WO; Dentsply Maillefer) and ProTaper Next (PTN; Dentsply Maillefer) in simulated L-shaped and S-shaped root canals respectively. METHODS 30 simulated L-shaped and 30 simulated S-shaped root canals in resin blocks were employed and rando...

Abstract Background Cleaning and shaping of the root canal system is an important step endodontic treatment. Canal transportation a common procedural error in preparation curved canals. This study aimed to compare centering ratio two rotary files canals using cone-beam computed tomography (CBCT). Methods Forty-four extracted human mandibular first molars with mature apices 10° 30° apical curvat...

Title of Document: ONE-AND-TWO-LEVEL NATURAL GAS EQUILIBRIUM MODELS AND ALGORITHMS Seksun Moryadee Civil Systems Program Department of Civil & Environmental Engineering University of Maryland, College Park, MD USA Directed By: Professor Steven A. Gabriel Department of Civil and Environmental Engineering/Applied Mathematics, Statistics, and Scientific Computation Program This dissertation consis...