Blood counting machines aspirate a very small amount of the specimen through narrow tubing followed by an aperture and a laser flow cell. Laser eye sensors count the number of cells passing through the aperature, and can identify them; this is flow cytometry.
In computing, Extract, Transform and Load (ETL) refers to a process in database usage and especially in data warehousing that performs: Data extraction â extracts data from homogeneous or heterogeneous data sources.
The ETL-EU mark verifies that the product complies with applicable European Union (EU) standards and directives The ETL-EU mark is, in essence, a manufacturerâs Truth statement about the safety of their product, speaking directly to consumers, authorities and retailers.