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.
COUNTIF function in Excel - syntax and usage. Excel COUNTIF function is used for counting cells within a specified range that meet a certain criterion, or condition. For example, you can write a COUNTIF formula to find out how many cells in your worksheet contain a number greater than or less than the number you specify. Another typical use of COUNTIF in Excel is for counting cells with a specific word or starting with a particular letter(s).