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A fuel cell power generation system is disclosed which includes a primary fuel cell stack for generating a first quantity of electric power, an auxiliary fuel cell stack for generating a second quantity of electric power, a fuel handling subsystem for feeding a fuel containing hydrogen to the primar

A fuel cell power generation system is disclosed which includes a primary fuel cell stack for generating a first quantity of electric power, an auxiliary fuel cell stack for generating a second quantity of electric power, a fuel handling subsystem for feeding a fuel containing hydrogen to the primary fuel cell stack and the auxiliary fuel cell stack, an oxidant handling subsystem including a compressor for feeding an oxidant containing oxygen to the primary fuel cell stack, and a controller electrically connected to the primary fuel cell stack, the auxiliary fuel cell stack, the fuel handling subsystem and the oxidant handling subsystem for controlling operation of the fuel cell power generation system. In one version of the fuel cell power generation system, the controller executes a stored program to sense a startup signal for the fuel cell power generation system, to initiate operation of the auxiliary fuel cell stack, and to apply at least a portion of the second quantity of electric power generated by the auxiliary fuel cell stack to the oxidant handling subsystem to initiate operation of the primary fuel cell stack.

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A fuel cell power generation system is disclosed which includes a primary fuel cell stack for generating a first quantity of electric power, an auxiliary fuel cell stack for generating a second quantity of electric power, a fuel handling subsystem for feeding a fuel containing hydrogen to the primar

A fuel cell power generation system is disclosed which includes a primary fuel cell stack for generating a first quantity of electric power, an auxiliary fuel cell stack for generating a second quantity of electric power, a fuel handling subsystem for feeding a fuel containing hydrogen to the primary fuel cell stack and the auxiliary fuel cell stack, an oxidant handling subsystem including a compressor for feeding an oxidant containing oxygen to the primary fuel cell stack, and a controller electrically connected to the primary fuel cell stack, the auxiliary fuel cell stack, the fuel handling subsystem and the oxidant handling subsystem for controlling operation of the fuel cell power generation system. In one version of the fuel cell power generation system, the controller executes a stored program to sense a startup signal for the fuel cell power generation system, to initiate operation of the auxiliary fuel cell stack, and to apply at least a portion of the second quantity of electric power generated by the auxiliary fuel cell stack to the oxidant handling subsystem to initiate operation of the primary fuel cell stack. etic field to a region on said magneto-optical recording media at a place near said optical head, wherein: said magneto-optical recording media has a substrate, an inorganic compound layer formed on said substrate, and a magnetic layer formed on said inorganic compound layer; said inorganic compound layer, is constructed by a crystal grain of an oxide of at least one kind selected from the group consisting of cobalt oxide, iron oxide, and nickel oxide, an oxide which exists at a grain boundary of said crystal grain and is amorphous and made of at least one kind selected from the group consisting of silicon oxide, aluminum oxide, titanium oxide, tantalum oxide, and zinc oxide; and said magnetic layer is an artificial lattice multilayer obtained by alternately laminating a Co layer or a layer made of an alloy having Co as a main phase and a layer having a metal element of at least one kind selected from the group consisting of Pr and Pd. -magnetic substrate; a plurality of magnetic recording layers of ferromagnetism, wherein the magnetization of each of said magnetic recording layers is oriented in an in-plane direction; and a dividing layer of antiferromagnetism for dividing said plurality of magnetic recording layers from one another through intervening between the magnetic recording layer-to layer; wherein said dividing layer consists of an alloy in which at least one element of Mn, Ru and Re is added to Cr, and in addition at least one element of Pt and Rh is added. 9. A magnetic storage medium comprising: a non-magnetic substrate; a plurality of magnetic recording layers of ferromagnetism; a dividing layer of antiferromagnetism for dividing said plurality of magnetic recording layers from one another through intervening between the magnetic recording layer-to layer; and a primary layer composed of at least one of a non-magnetic layer consisting of a material having a body-centered cubic structure and an antiferromagnetic layer consisting of a material having a body-centered cubic structure, said primary layer being adjacent to said substrate, wherein one of said plurality of magnetic recording layers is formed adjacent to said primary layer; wherein said primary layer includes said antiferromagnetic layer, and said antiferromagnetic layer includes Cr and consists of an alloy in which at least one element of Mn, Ru and Re is added to Cr, said alloy having a Neel temperature of 400 K or more. 10. A magnetic storage medium according to claim 9, wherein said primary layer includes said non-magnetic layer, and said non-magnetic layer includes Cr and consists of a material in which Mo or W is added to Cr. 11. A magnetic storage medium according to claim 9, wherein said primary layer includes said antiferromagnetic layer, and said antiferromagnetic layer includes Cr and consists of an alloy in which Mn of concentration between 5 at % and 80 at % is added to Cr. 12. A magnetic storage medium according to claim 9, wherein said primary layer includes said antiferromagnetic layer, and said antiferromagnetic layer includes Cr and consists of an alloy in which Ru of concentration between 2 at % and 18 at % is added to Cr. 13. A magnetic storage medium according to claim 9, wherein said primary layer includes said antiferromagnetic layer, and said antiferromagnetic layer includes Cr and consists of an alloy in which Re of concentration between 2 at % and 14 at % is added to Cr. 14. A magnetic storage medium according to claim 9, wherein said antiferromagnetic layer further includes at least one element of Mo and W. 15. A magnetic storage medium according to claim 9, wherein and said antiferromagnetic layer further includes at least one element of Pt and Rh. 16. A magnetic storage medium according to claim 1, further comprising a protective layer including carbon, said protective layer being formed adjacent to a top layer of said magnetic recording layers. 17. A magnetic storage medium according to claim 1, wherein each of said magnetic recording layers is defined by a product Br·t of between 20 Gauss·μm and 100 Gauss·μm where Br denotes a residual flux density of the magnetic recording layers and t denotes a sum total of thickness of the magnetic recording layers. 18. A magnetic storage medium according to claim 2, wherein said substrate is a disk shaped substrate, and said magnetic recording layers are associated with one another such that a direction of a uniaxial crystal magnetic anisotropy of a material constituting each of said magnetic recording layers is substantially coincident with a circumferential direction of the disk shaped substrate.