migrated from stackoverflow.com Jun 20 '10 at 3:23. 1  Excel is a spreadsheet application that saves files into its own format while CSV is a standard of saving tabular information into a delimited text file. 2  CSV is a very old method of saving tables compared to Excel.
Authigenic sediment, deep-sea sediment that has been formed in place on the seafloor. The most significant authigenic sediments in modern ocean basins are metal-rich sediments and manganese nodules.
Palpable thyroid nodules occur in 4 to 7 percent of the population (10 to 18 million persons), but nodules found incidentally on ultrasonography suggest a prevalence of 19 to 67 percent.1,5 In one study,6 30 percent of subjects 19 to 50 years of age had an incidental nodule on ultrasonography. Presentation.