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.
SUMIF and SUMIFS are two of Excelâs best functions. Using these two functions, you can create formulas that add data, subject to one or more conditions. The primary difference in these two functions is that SUMIF allows only one condition to be evaluated, while SUMIFS allows up to 127 criteria to be evaluated; additionally, SUMIFS is only available in Excel 2007 or higher.