fresh salt-water interface

2-(2-propenoxy)naphthalene automatic degaussing basic range bicorrelation bigamists BIT (built-in test) Blepharisma catfishes column-binary descending phrase kotoracythere inconspicus norcross optimized-profile navigation poor diesel fuel Rathke's columns Sambucus racemosa signal plane sodium dodecyl-sulphosuccinate theodolite drag where feasible