Calcium sulfonate complex greases (CSCG) have proven to be a sustainable alternative to lithium complex greases, which still require appropriate additives to deliver lubrication performance benefits duospiritalis.com under extreme working conditions such as heavy load, high speed, and high temperature.The anti-wear and friction reducing properties
Cross-sectional study of preprints and final journal publications from COVID-19 studies: discrepancies in results reporting and spin in interpretation
Objective To compare results reporting and the presence of spin in COVID-19 study preprints with their finalised journal publications.Design Cross-sectional study.Setting International medical literature.Participants Preprints and final journal publications of 67 interventional and observational studies of COVID-19 treatment or prevention from the
Assessment of hygienic quality of some types of cheese sampled from retail outlets
The authors evaluated the prevalence of Listeria monocytogenes, Escherichia coli O157:H7, Salmonella spp.and Staphylococcus enterotoxin, in 2 132 samples selected from six types of cheese on the basis of recorded consumption in Italy in 2004.In L.monocytogenes-positive samples the precise level of contamination was determined.To define the physical