Factor Xa is the activated form of the coagulation factor thrombokinase, known eponymously as Stuart-Prower factor. Factor X is an enzyme, a serine endopeptidase, which plays a key role at several stages of the coagulation system. Factor X is synthesized in the liver.
Common-mode (CM) chokes are four-terminal devices with different CM and differential-mode (DM) characteristics. The paper reviews the models for two- and four-terminal inductors and presents two. methods to obtain the CM and DM characteristics of four-terminal devices. More specifically, it shows.
Early gasoline engines used a manual choke mechanism. This manual choke was operated by pulling a knob in the operator's compartment. Once the engine was started, the operator pushed the knob in and the choke was eliminated. The automatic choke uses the vehicle's battery power to engage and disengage itself.