摘要:
The invention provides a magnetic induction system and an operating method for it in which the magnetic force can be made to act deeply and widely in any desired direction. The magnetic induction system of the invention contains multiple magnetic field generation means formed of a superconductive bulk magnet, a drive means for arranging the magnetic field generation means at a desired site and angle, and a drive control means for driving the driving means and controlling the position and the angle of the multiple magnetic field generation means so that a magnetic complex can be inducted to the desired position in a body by the synthetic magnetic field formed by the multiple magnetic field generation means, whereby the magnetic complex is inducted to be concentrated in the cartilage defected part.
摘要:
A method for producing a polybutadiene, which comprises subjecting 1,3-butadiene to cis-1,4 polymerization, and subsequently subjecting a resultant in the resulting polymerization system to syndiotactic-1,2 polymerization, the method being characterized in that there is added, after the polymerization, a halogen acid or halogen acid salt.
摘要:
[Subject] A catalyst for polymerization of conjugated diene is provided, which facilitates manufacture of a conjugated diene polymer with a high 1,4-cis structure content, leaves less aluminum residue on polymerization, and has high activity. A method of manufacturing conjugated diene polymers using the catalyst is also provided.[Solution] A catalyst for polymerization of conjugated diene comprises (A) an yttrium compound; (B) an ionic compound including a non-coordinate anion and a cation; and (C) an organometallic compound including an element selected from the groups 2, 12 and 13 of the periodic table.
摘要:
[Subject] a catalyst for polymerization of conjugated diene is provided, which facilitates manufacture of a conjugated diene polymer with a high 1,4-cis structure content, leaves less aluminum residue on polymerization, and has high activity. A method of manufacturing conjugated diene polymers using the catalyst is also provided.[Solution] A catalyst for polymerization of conjugated diene comprises (A) an yttrium compound; (B) an ionic compound including a non-coordinate anion and a cation; and (C) an organometallic compound including an element selected from the groups 2, 12 and 13 of the periodic table.
摘要:
A laminated body obtained by forming a metal-deposited layer onto one or both adhesion-improved sides of a polyimide film with improved adhesion obtained by coating and spraying an organic polar solvent solution containing a polybenzimidazole onto one or both sides of a self-supporting film prepared by casting and drying a dope, which is an organic polar solvent solution of a polyimide precursor which may contain an imidization catalyst, onto a support and then heat treating the film to form a multilayer polyimide film of a base polyimide layer and one or two polybenzimidazole layers, by vapor deposition or sputtering, and then plating with metal to form a metal layer onto the metal-deposited layer.
摘要:
There is provided a power lead for a superconductive magnet capable of controlling the invasion of heat to liquid helium for storing superconductive coils therein and of sufficiently feeding power to the superconductive coils. The power lead for a superconductive magnet of a superconductor magneto unit for supplying a current to the superconductive coils which are cooled at a liquid helium temperature through a radiant heat shielded section which is cooled at a liquid nitrogen temperature, wherein at least a part of sections positioned inside the radiant heat shielded section of a current lead member of the superconductive magnet comprises a high temperature oxide superconductor bulk body having a critical temperature exceeding a liquid nitrogen temperature. In this case, it is preferable to apply a resin impregnation treatment to the bulk body to enforce the high temperature oxide superconductor bulk body section. If at least a part of sections other than the bulk body is formed of a braided wire, a stress caused by the relative displacement between constituents of the unit does not influence upon the bulk body, thereby reducing the risk of breakage of the unit.
摘要:
A polymer of ethylenically unsaturated monomer, for example, 1,3-butadiene, having a desired molecular weight and distribution thereof is produced, with a high stability, by preparing a solution of hydrogen in an inert organic solvent for the monomer in which a vapor-liquid phase equilibrium of hydrogen is attained, and then by addition-polymerizing the monomer in the hydrogen-dissolved inert organic solvent in the presence of a catalyst preferably including a metallocene complex of transition metal compound, an inert compound of a non-coordination anionic compound with a cationic compound, an organic metal (aluminum) compound and, optionally, water.
摘要:
There is provided RE-Ba-Cu-O oxide bulk superconductors in which considerably high critical current density is obtained at relatively high temperature. In the present RE-Ba-Cu-O bulk superconductors, RE is a combination of two or more elements selected from La, Nd, Sm, Eu and Gd, at least one of them being La, Nd and Sm and the remainder being Eu or Gd, in which a parent phase thereof comprises a RE.sub.1+x Ba.sub.2-x Cu.sub.3 O.sub.y crystal wherein -0.1
摘要:
An ester compound, for example, carbonic acid ester or succinic acid ester, is produced by catalytically reacting, in gas phase, carbon monoxide with a nitrous acid ester and optionally an olefin in the presence of a catalyst and in the presence of a chlorine-containing substance, bringing the reaction product-containing mixed gas into contact with a solid catalyst such as activated carbon or inorganic oxide to reduce the content of the chlorine-containing substance, cool-condensing the resultant mixed gas, and collecting the target ester compound from the condensed liquid.
摘要:
A known Ti-Ni based and Cu-based shape memory alloy can be replaced by an Fe-based shape memory alloy. An excellent shape memory effect is attained by an Fe-based shape memory alloy with an Mn content of 20% to 40% and an Si content of 3.5% to 8%.