Expected Levels. Total hardness in freshwater is usually in the range of 15 to 375 mg/L as CaCO3. Calcium. hardness in freshwater is in the range of 10 to 250 mg/L, often double that of magnesium. hardness (5 to 125 mg/L). Typical seawater has calcium hardness of 1000 mg/L, magnesium.
Part of the Storage management glossary: A physical address is a binarynumber in the form of logical high and low states on an address busthat corresponds to a particular cell of primary storage(also called main memory), or to a particular register in a memory-mapped I/O(input/output) device.
The MAC address (also known as the physical address) is a unique identification code that identifies your device's wireless or wired ethernet hardware. You can find your Android phone's MAC address in the phone's Settings menu.hares & Saves. Save. If you want to use your Android smartphone on a network that requires registration, or if you need to add it to a list of allowed devices on your router at home, you'll need to know the device's MAC address.