Polycythemia (also known as polycythaemia or polyglobulia) is a disease state in which the proportion of blood volume that is occupied by red blood cells increases.Blood volume proportions can be measured as hematocrit.he emergency treatment of polycythemia (e.g., in hyperviscosity or thrombosis) is by venesection, the removal of blood from the circulation. Depending on the underlying cause, venesection may also be used on a regular basis to reduce the red blood cell count.
Turpentine is an excellent cleaner for paint brushes. If youâve wondered how to clean your brushes effectively, this oil-based solvent will do the job for you. Most cleaning spirits can only dissolve fresh paint. However, turps goes a step further as it is able to clear slightly hardened paint from brushes.
Some important terms. Water is a very important solvent but it's not the only one. Acetone is used to remove nail polish, turpentine to dissolve oil paints and good perfumes are solutions of the fragrance dissolved in ethanol.