2. Word delimeters become "near" operators:  X-ray  = X near ray  

3. Space becomes "and" operator:  homogeneous catalysis   =   homogeneous and catalysis 
 

4. Parentheses are automatically added to multi-field entries: 
        
       AU:        Brown 
       AB/TI:    sulphur or sulfur  

                                     =   Brown and (sulphur or sulfur) 

 5. Quotation marks:  " = ' 
 
             "Bipyridine Ligands"  =  'Bipyridine Ligands'   =  AB/TI: Bipyridine near Ligands