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.
There are several ways to find out what IP address is assigned to a specific computer at MIT: 1  Ask someone. 2  the local network administrator (who probably configured the machine). 3  the person in the department who pays the bills (the IP address will show up on the IS&T bill).  the Service Desk, 617.253.1101.