A method of imaging a coding pattern disposed on a surface of a substrate. Computation of the prediction vector comprises selecting one of a plurality of prediction schemes in relation to the classification of the sound signal frame, and processing the prediction error vector through the selected prediction scheme. Selective control of the degree of pre-firing of the fibers may be used to control the level of residual stresses within the resulting refractory material resulting from differential shrinkage of the fibers and the matrix material during processing of the composite material. An absorption solvent is introduced to the shell side of the membrane contactor. Also disclosed are methods of isolating and growing Mycobacterium tuberculosis and methods of drug-resistance screening using the agar medium of the invention. The tube fitting includes a tubular main body, a sleeve being tubular-shaped and being fixed in the main body with axial lines of the main body and the sleeve coincided with each other.