PHOSPHORIC esters play a central part in the biological world bY linking processes of respiration and fermentation with other essential cellular reactions. More tnan twenty substances of this ...

The chemicals that make up the color are called pigments. Some pigments attach to water better than others so they move further through the paper before sticking. The size, weight, and shape of the ...

Abstract: The purpose of this paper is to make comparisons between optimum, linear phase, finite impulse response (FIR) digital filters and infinite impulse response (IIR) digital filters which meet ...

Abstract: In the past, spatial filtering in coherent optical systems has been limited by the inability to realize practically a general complex filter. This paper describes a technique for realizing ...