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  • [发明专利]US19740485004 _ TOKYO SHIBAURA DENKI KABUSHIKI KAISHA 1974年07月01日
    In a nuclear reactor wherein four square shaped fuel rod assemblies are disposed in respective square shaped openings defined by crossing grids of a upper supporting plate, and an in-core monitor is disposed at a cross-point of the grids, the in-core ...
  • [发明专利]GB19740021953 _ KMS FUSION INC 1974年05月17日
    1459936 Optical apparatus K M S FUSION Inc 17 May 1974 [21 May 1973] 21953/74 Heading G2J A system for providing even illumination of a minute target located at or close to a point 42, comprises a mirror system formed by a pair of concave, ellipsoida...
  • 3.
    [发明专利]DE19742400564 _ DU PONT DE NEMOURS (DEUTSCHLAND) GMBH, 4000 DUESSELDOR 1974年01月07日
  • [发明专利]DE19742439430 _ SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN 1974年08月16日
  • [发明专利]US19740521826 _ MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN E.V. 1974年11月07日
    Object positioning apparatus for positioning the object to be observed in a corpuscular beam apparatus such as an electron microscope or the like having both lateral or rotational degrees of freedom in which means are provided to mechanically separate...
  • [发明专利]US19740434154 _ THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE 1974年01月17日
    A valve system, for use in a confined vortex flow system, having a hollow elongated tubular member positioned in a cylindrical chamber in one of the gas flow directing vanes in the vortex chamber. The tubular member has a notch in the wall extending s...
  • [发明专利]US19740486773 _ NUKEM G.M.B.H. 1974年07月09日
    Molded or pressed block fuel elements of high power for gas cooled high temperatures are produced by molding in steel tools using outer dies or bars and punches arranged to be freely moveable in the axial direction and moving said moveable dies or bar...
  • [发明专利]US19740447252 _ CORNING GLASS WORKS 1974年03月01日
    Method of determining the concentration of a substance in a solution which comprises the steps of incubating the solution with a known amount of radioactively labelled substance and a suspendable composite consisting of anti-substance antibody coupled...
  • [发明专利]US19740497068 _ UNITED KINGDOM ATOMIC ENERGY AUTHORITY 1974年08月13日
    A fast reactor core is submerged in a pool of liquid metal coolant and there is a catchment tray for falling fuel debris disposed beneath the core. The catchment tray comprises a complex of open top collecting vessels arranged on lattice pitches in la...
  • [发明专利]US19740456503 _ VARIAN ASSOCIATES 1974年04月01日
    A collimated beam of non-monoenergetic charged particles, such as electrons, is passed into a magnetic beam deflection system consisting of at least three uniform field, beam bending magnets spaced apart along the central orbital axis of the beam for ...
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