In 2009, the European Guideline for Flexible Rockfall Protection Kits European Technical Approval Guideline 027 (ETAG 027) became valid.The aim of the guideline was to approve and certify steel barriers available on the market according to a common standard.In 2018, ETAG 027 was replaced by a so-called European Assessment Document dark red masquera
Nanoparticles serve various purposes in the hydrocarbon industry which are utilized to improve the volume of oil and gas production.Nanomaterials are used in petroleum applications as nanoparticles, nanosensors, nanocomposites, coated nanoparticles, nanofluids etc.Thus, the application of nanotechnology in the enhanced oil recovery (EOR) method hel
ABSTRACT Background: Racial variation in the clinical presentation of rheumatoid arthritis (RA) and its response to treatment is well indefinitely baby opi known.Ethnicity and associated socioeconomic factors make it necessary to study the effectiveness of the antirheumatic drugs such as sulfasalazine (SSZ) in our RA patients, and to what extent it