Surface combustion burners or radiant tile burners in comparison produce nitrogen oxides' levels 60-70% less. Therefore John Joyce's research into low NO x burners revolved primarily around surface combustion techniques. Another issue was the effect combustion temperatures have on the formation of NO x.
soup sandwich. A slang term used by members of the United States Army to describe a fellow soldier whose performance is unsatisfactory. This term is often shortened to just soup.. The term expresses a state of extreme uselessness, which can be understood by considering the functionality and worth of soup between two slices of bread.
Crab Salad Tea Sandwich. Mix 1 cup chopped cooked crabmeat with 3 tablespoons mayonnaise, 1 teaspoon each grated lemon zest and juice, and 1 teaspoon each chopped chives, parsley and capers. Sandwich white bread with the crabmeat salad, avocado and Bibb lettuce. Trim the crusts and cut into pieces.urried Egg Salad Tea Sandwich. Mix 3 chopped hard-boiled eggs, 3 tablespoons each chopped celery, red onion and cilantro, 2 teaspoons each dijon mustard and lime juice, and 1/4 cup mayonnaise. Cut white bread into pieces and spread with mango chutney. Sandwich with the egg salad.