head-change system
41Bretton Woods system — The Bretton Woods system of monetary management established the rules for commercial and financial relations among the world s major industrial states. The Bretton Woods system was the first example of a fully negotiated monetary order intended… …
42Parliamentary system — A parliamentary system, also known as parliamentarianism (and parliamentarism in American English)Fact|date=August 2008, is a system of government in which the executive is dependent on the direct or indirect support of the legislature (often… …
43Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used …
44Judicial system of Iran — قوه فضاییه جمهوری اسلامی ایران The main building of Judicial system of Iran in Tehran. Established 1979(modern) 1905(history) …
45National Association for Change — Al Jamaʿiyya al Waṭaniyya lit Taghyīr الجمعية الوطنية للتغيير Founder(s) Mohamed ElBaradei Type Pressure group Political group Founded February 2010 …
46Embedded system — Picture of the internals of an ADSL modem/router. A modern example of an embedded system. Labelled parts include a microprocessor (4), RAM (6), and flash memory (7). An embedded system is a computer system designed to do one or a few dedicated… …
47Phase Change Material — A phase change material (PCM) is a substance with a high heat of fusion which, melting and solidifying at a certain temperature, is capable of storing and releasing large amounts of energy. Heat is absorbed or released when the material changes… …
48Precrash system — A precrash system is an automobile safety system designed to reduce the severity of an accident. Also known as forward collision warning systems they use radar and sometimes laser sensors to detect an imminent crash. Depending on the system they… …
49Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …
50Phonological change — Sound change and alternation Metathesis Quantitative metathesis …
