Much emphasis is put on the precision and accuracy of sampling and analytical procedures in the modern practice of occupation hygiene.This is due to its importance in risk management in various industries, in the occupation health care Face Palette and in general consumer product safety.Typical examples of current practices include external quality
This paper describes the influence of fiber length of lithium-soap thickener of greases on friction under boundary lubrication conditions.Ball-on-disk sliding tests were conducted with lithium soap greases with polyol ester as the base oil.The tests revealed that the greases had a lower friction coefficient than that for the base oil.The grease wit
Histone modifications are important regulators of gene expression in all eukaryotes.In Plasmodium falciparum, these epigenetic marks regulate expression of genes involved in several aspects of host-parasite interactions, including antigenic variation.While the identities and genomic positions of many histone modifications have now been cataloged, h
Hungary, belonging more and more to the prestigious group of developed countries, can be characterised increasingly by the demographic characteristics of that type.Ageing population, decreasing number of live births, decreasing population Prybar size are commonly used terms when analysing the demographic profile of our country.This simplified pictu