ABSTRACT During the coronavirus disease 2019 (COVID-19) pandemic, the emergence and rapid increase of the B.1.1.7 (Alpha) lineage of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), first identified in the United Kingdom in September 2020, was well documented in different areas of the world and became a global public health Fitted shee
THE RADIO WAVES PROPAGATION CHARACTERISTICS IN THE GLIDESLOPE AXES OF THE GROUND CONTROLLED APPROACH SYSTEMS IN THE ARCTIC REGIONS
Information about the location of the aircraft, with a decrease along a predetermined path, the carriages, the floor-fer with the use of radio landing systems.On the trajectory of radio wave propagation in the channels of the radio glide path landing systems affected by the change of refractive index in the atmosphere depending on altitude.Known me
RESPONSIBLE AND SOLIDARITY TOURISM, APPROACH TO ITS THEORETICAL FRAMEWORK AND CONNECTIONS WITH THE TOURIST INTELLIGENCE
This article is dedicated to the study of two new concepts that have appeared in Fitted sheet the tourism sector in the recent decades, they are the so-called responsible tourism and solidarity tourism, both of them have moral ethical references in the specific business of tourism, in which the desire to commercialize also seems to place the good w
Contaminant levels in Norwegian farmed Atlantic salmon (Salmo salar) in the 13-year period from 1999 to 2011
Background: Environmental pollutants such as dioxins and PCBs, heavy metals, and organochlorine pesticides are a global threat to food safety.In particular, the aquatic biota can bioaccumulate many of these contaminants potentially making seafood of concern for chronic exposure to humans.Objectives: The main objective was to evaluate trends of cont
Review: Sumber dan Pemanfaatan Zat Warna Alam untuk Keperluan Industri
Tool Spares ABSTRAKPada umumnya pewarna sintetis memiliki beberapa keunggulan antara lain; jenis warna beragam dengan rentang warna luas, ketersediaan terjamin, cerah, stabil, tidak mudah luntur, tahan terhadap berbagai kondisi lingkungan, daya mewarnai kuat, mudah diperoleh, murah, ekonomis, dan mudah digunakan.Namun demikian penggunaan pewarna si