The data to encode is split in half and encoded as a split-level barcode, and this format is used if the width of the barcode is an issue. 1  The height of the top row of the GS1 DataBar Stacked barcode is 5 times the X dimension, and the height of the bottom row is 7 times the X dimension. 2  Fig.
Pitting resistance equivalent number (PREN) is a predictive measurement of the corrosion resistance of various types of stainless steel. In general: the higher PREN-value, the more corrosion resistant the steel. Steels with PREN-values above 32 are considered seawater (corrosion) resistant.
What Does PRN Stand For? (Medical Abbreviation & Meaning) The term PRN is a Latin phrase typically used in the medical field, which means pro re nata, translated, âas neededâor âwhen necessaryâ. Simply put when you hear or see someone use the abbreviation PRN within the medical field they are likely saying, use as needed.