The standardized uptake value (SUV) is a nuclear medicine term, used in positron emission tomography (PET) as well as in modern calibrated Single Photon Emission Tomography (SPECT) imaging for a (semi)quantitative analysis.[1] Its use is particularly common in the analysis of [18F]fluorodeoxyglucose ([18F]FDG) images of cancer patients.
As you know tums tablets are mainly made of calcium carbonate. To get calcium carbonate, mining or quarrying is required but pure calcium carbonate can be made from a pure quarried source such as marble, etc.
Papadum is a thin, crisp, disc-shaped food from the Indian subcontinent; typically based on a seasoned dough usually made from peeled black gram flour (urad flour), fried or cooked with dry heat. Flours made from other sources such as lentils, chickpeas, rice, tapioca, or potato can be used.