A demountable tokamak fusion reactor core in which a demountable central portion contains at least the inner toroidal field producing legs of the tokamak toroidal field coil and the plasma containment vessel. Also in the demountable central portion may be poloidal field coils and a means of heating the plasma or heating and shaping the plasma, e.g., an ohmic heating coil. The outer relatively permanent portion of the fusion reactor contains a blanket system within an opening formed by the curren...

A nuclear pumped laser capable of producing long pulses of very high power laser radiation is provided. A toroidal fusion reactor provides energetic neutrons which are slowed down by a moderator. The moderated neutrons are converted to energetic particles capable of pumping a lasing medium. The lasing medium is housed in an annular cell surrounding the reactor. The cell includes an annular reflecting mirror at the bottom and an annular output window at the top. A neutron reflector is disposed ar...

Cell fusion is induced between tumor cells that do not secrete a desired protein and mammalian cells or microcells derived from mammalian cells which secrete the desired protein, by substantially removing at least calcium ions to destabilize the cell membranes, adding a fusogen to the destabilized cells, and then adding back polyvalent cations.

In an assembly of fusion furnace and fusion head for applying heat to plastic pieces to be fused, the furnace being fired with gaseous fuel fed through a conduit to a burner head in the furnace from a source of fuel, a temperature sensing probe projects into the furnace. The temperature sensing probe is operatively connected to a gas flow control device in the conduit from the source to the burner. The flow control device acts to throttle the gas flow, to maintain a predetermined variably select...

A fusion splicer and fusion splicing method for optical fibers is disclosed including a TV camera 32 which obtains transmitted light images passing through side areas of respective optical fibers 10, 20, an image processing unit 33 which calculates mode field diameters of the respective optical fibers from brightness distributions of the images in terms of directions traverse to the optical fibers to calculate a diametric difference between the mode field diameters, a movable base 57 to move abu...

Fusion proteins comprise a first amino acid sequence and a second amino acid sequence. The first amino acid sequence is derived from a retrotransposon or an RNA retrovirus and confers on the fusion protein the ability to assemble into particles; an example is the product of the TYA gene of the yeast retrotransposon Ty. The second amino acid sequence is biologically active; for example it may be antigenic. So particles formed of the fusion proteins may be useful in vaccines or in diagnostic or pu...

A fusion seal between two surfaces, and a material to produce the seal, consist essentially of 60-90 percent by weight of a SnO--ZnO--P.sub.2 O.sub.5 glass frit and 10-40 percent by weight of a mill addition including alumina and, optionally, zircon, the alumina content being at least 10% when it constitutes the mill addition and not over 20% in conjunction with zircon, 0-15 % of a further additive that reduces the effective CTE of the seal, the mill addition being present in a sufficient amount...

According to the invention, a relatively low molecular weight epoxy resin is reacted with a hydroxyl group-containing compound in the presence of a bis(trihydrocarbyl phosphine)iminium salt catalyst to produce a high molecular weight fusion reaction product. The process is particularly useful in reacting an epoxy resin having a molecular weight of less than about 500 with bisphenol-A in the presence of a bis(phosphine)iminium halide to produce a fusion reaction product having a molecular weight ...

A toroidal fusion device with an elongated axial cross section is described which is capable of ignition without auxiliary heating and with modest toroidal magnetic field. The device is based on the principle that for elongated toroids the toroidal current density in the plasma at ignition is subject to a limit which is proportional to the product of the elongation and the toroidal magnetic field. The elongation is made greater than about 4. The aspect ratio is preferably between about 3 and 10.

A fusion power monitor including a circulating activation medium being activated as it passes by the fusion reaction. The radioactivity of the activation medium is sensed by a remote detector to give an indication of fusion power level.