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control of orientation, or "pointing the nose" of the craft; a backup means of deorbiting; ullage motors to prime the fuel system for a main engine burn. Because spacecraft only contain a finite amount of fuel and there is little chance to refill them, alternative reaction control systems have been developed so that fuel can be conserved.
The R-4D is a small hypergolic rocket engine, originally designed by Marquardt Corporation for use as a reaction control system thruster on vehicles of the Apollo crewed Moon landing program. Aerojet Rocketdyne manufactures and markets modern versions of the R-4D.
"A reaction control system (RCS) is a subsystem of a spacecraft whose purpose is attitude control and steering by the use of thrusters". Attitude and Orbit control "An RCS system is capable of providing small amounts of thrust in any desired direction or combination of directions".
The Academy of Sciences of Albania (Albanian: Akademia e Shkencave e Shqipërisë), founded in 1972, is the most important scientific institution in Albania. [1] In the 1980s, several research institutes began at the University of Tirana were transferred to the Academy's jurisdiction. [ 2 ]
[2] QBZ is responsible for the publication of acts, printed publications of updated codes and summaries of legislation (by topic), the safekeeping and non-publication of data, laws and other acts, until they are published in the official journal or the official announcement bulletin.
Fletorja Zyrtare is the official government journal of the Republic of Albania.Published in a bulletin format, the journal is under the editorial oversight of the Official Publishing Center (Albanian: Qendra e Botimeve Zyrtare – QBZ) which is the only institution in the country authorized for its publication. [1]
The electoral system of Albania is constructed upon the principles defined in the constitution and the electoral code. As a parliamentary constitutional republic, Albania implements a regional proportional representation method that allocates seats in the parliament according to the proportion of votes garnered by political parties in a multi-party system.
[1] [2] [3] The Parliament is presided over by the Speaker, who is assisted by at least one deputy speaker. The electoral system is based on party-list proportional representation. There are 12 multi-seat constituencies, corresponding to the country's counties. The Parliament's powers are defined by the Constitution of Albania.