ABSTRACT Objective: The aim of this study was to perform a systematic review on the morphological characteristics of the skull base (flexion, anterior length and posterior length) and the concomitant development of malocclusions, by comparing differences in dimorphism, ethnicity and age.Methods: The articles were selected by means of electronic sea
The dimension and surface state of shielding fittings in ultra high voltage direct current (UHVDC) converter station valve halls have a great influence on their surface electric field and switching impulse characteristics, which are important parameters confirming the air gap distance in the valve hall.The characteristics of impulse discharge under
This article employed the ARCH, GARCH and EGARCH models to model the oil price volatility and macroeconomic variables in South Africa for the period 1990Q1 to 2018Q2.The macroeconomic variables Celery used in the study are GDP, inflation, interest rate and exchange rates.According to ARCH (1) and GARCH (1, 1) models, exchange rate and interest rate