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.
What is an IP Address? Your IP address is your personal Internet phone number. Read more about why your IP is important. How to resolve a IP address conflict. Read how to resolve a IP address conflict on your local network. Your Mac's IP Address, Where Is It? Find out how to locate the internal and external IP address on your Mac computer using the OSX operating system.