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What is core sampling?
Drilling and removal of samples of material that are below the surface in order to examine the contents for various reasons, including the search for minerals, geologic investigation, atmospheric and...
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Who uses core sampling?
Geologists and other scientists for scientific knowlege, geologic mapping, and mineral and resource discovery and management.
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How do you work out stratified sampling?
If a sample of size s is to be taken from a population of size n, then every n/s member of the population is tested. The starting point is chosen at random.If we want to test a 100-strong sample from...
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How does chorionic villus sampling work?
CVS involves removing a tiny piece of the placenta and examining the cells.
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How does core memory work?
Core memory is comprised of many (many) tiny toroidal (doughnet) shaped rings of ferromagnetic material. Each ring is magnetized in one direction or the other, so each ring represents one bit of...