To decide whether the same method can be used to measure the specific heat capacity of a sample, the following factors that affect measurement during thermal diffusivity tests need to be analyzed: 1  Rise in temperature. 2  Laser pulse magnitude. 3  Reflection by other media. 4  Sample-related problems.
Extreme Lateral Interbody Fusion (XLIF) Extreme lateral interbody fusion (XLIF) is a minimally invasive procedure performed through the side of the body to treat spinal disorders and reduce long-term back or leg pain that has not responded to other treatments, such as steroid injections, physical therapy and pain medication.
AVERAGEIFS averages cells in a range that match supplied criteria. Unlike the AVERAGEIF function, AVERAGEIFS can apply more than one set of criteria, with more than one range. The first range is the range to be averages. The criteria is supplied in pairs (range/criteria) and only the first pair is required.