… or forcing action of a piston or plunger driven within a cylinder, the inlet and outlet being regulated by valves. … to force the liquid to heights or against pressure. Multi-cylinder pumps are used for increased output. The cylinders may be either in line or in a star shape. This …
… and leukotrienes , such as salts, halogenated derivatives, cyclic acetals, esters, etc., including mixed derivatives … inhibitors and antagonists (antihormones). Examples are cyproterone (INN), an antiandrogen, danazol (INN), an …
… unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) 8415.82 - - Other, … system fitted with a valve for reversal of the cooling/heat cycle, to perform the dual function of heating and cooling premises. In the cooling cycle, the reversing valve directs the flow of hot, high …
