Step 5: Obtain Certification. You can consider one of two options for receiving radiology assistant certification. The first option is the industry standard, the ARRT certification. To obtain certification, you must complete an accredited RA program and clinical experience of radiology procedures.
There are 100 ml in one dl, because mili comes from mil which is  a thousand and deci comes from dez, from the decimal system,  which takes 10 as basic measurement. Therâ¦efore 3dl equals 300 ml.
One milliliter (British spelling: millilitre) (ml) is 1/1000 of a liter and is a unit of volume. 1 milligram (mg) is 1/1000 of a gram and is a unit of mass/weight. This means that we require an extra piece of information in order to be able to convert the measurement across.