Most of the time, though, LDAP is used to search for information in the directory. The LDAP search operation allows some portion of the directory to be searched for entries that match some criteria specified by a search filter.
It has good low temperature flexibility and is superior to most elastomers in compression set, cold flow and abrasion resistance. However, it does not possess good resistance to ozone, sunlight or weather. Buna-N has a temperature range of -40 to+135 C (-40 to 275 F).
In general, the normal BUN level for healthy individuals is 7-20 mg/dL (2.5 to 7.1 mmol/L) in adults, and 5-18 mg/dL in children. But normal ranges may vary, depending on the reference range used by the lab, and your age. Infants have lower levels than other people do.