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-(1) length of the refractory period in skeletal muscle cells;
(2) length of the refractory period in cardiac muscle cells
B
Permeable Units
Layers of earth materials, such as sand or gravel, that allow water to pass through easily.
Impermeable Units
Impermeable units refer to layers of rock or sediment that water cannot easily pass through, significantly affecting the flow of groundwater and the storage of hydrocarbons.
Salt Dome
A type of geological formation where a mass of salt has risen upward through the overlying rock, often creating traps for oil and gas.
Oil Field
An area underlain by one or more reservoirs containing oil that can be extracted, often associated with gas deposits.
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