Abstract:
An object of the present invention is to provide a MRI superconductive magnet enables sharp images representing patients' health states to be produced.[Means for Achieving the Object]A MRI superconductive magnet having a superconductive coil, a liquid vessel of liquid helium used to cool the superconductive coil, a heat shield to accommodate the liquid vessel therein, a vacuum chamber to accommodate the heat shield therein, a load supporting body for supporting the superconductive coil from the vacuum chamber and securing the superconductive coil, a second cold part of a multi-stage refrigerator for cooling a heat exchanger to condense evaporated helium gas, and a first cold part of the multi-stage refrigerator for cooling the heat shield, wherein a magnetic shield is provided from the first cold part of the multi-stage refrigerator to an outer periphery of the second cold part of the multi-stage refrigerator.
Abstract:
A tandem type color image forming apparatus which executes color misregistration correction, including: a detecting section which detects a width of a transfer sheet; an image forming section having an image carrier, on which arranged side by side are an image area where formed is an image for transfer and a non-image area where formed is the imprint image; and a control section which selects a complex or a single correction mode based on the transfer sheet width, to execute correction processing; where the complex correction mode is an operation mode of forming in parallel the image for transfer in the image area and the imprint image in the non-image area, and the single correction mode is an operation mode of suspending to form the image for transfer in the image area, and executing only to form the imprint image in the non-image area or in the image area.
Abstract:
A superconducting magnet includes: first and second torus coolant containers substantially symmetrically, vertically arranged to have a space and a symmetrical plane therebetween for storing a coolant. Each of the first and second torus coolant containers includes therein a main coil bobbin with a main coil for generating a measurement magnetic field, a shield coil bobbin with a shield coil for generating a shielding magnetic field for suppressing outside leak of the measurement magnetic field, a plate member vertically reinforced at a plane thereof opposite to a plane thereof facing the symmetrical plane for supporting the shield coil bobbin and the main coil bobbin. The main coil bobbin is further supported by the shield coil bobbin, to cause the main coil to generate the measurement magnetic field having a substantially uniform magnetic field intensity at a middle region of the space. A magnetic resonance imaging apparatus using the superconducting magnet is also disclosed.
Abstract:
The invention provides an aliphatic polymer having a ketone group and ether bonding in its main chain, characterized by comprising structural units represented by the Formula (1) and by the Formula (2). In the Formulae (1) and (2), Ra and Rb each independently represents a substituted or unsubstituted divalent aliphatic hydrocarbon group. Rc represents a substituted or unsubstituted divalent aliphatic hydrocarbon group having ether bonding in a terminal thereof, or a single bond. n1 represents an integer of 1 or more. n2 represents an integer of 0 or more. And, n1+n2 is in a range of 2 to 1000. The polymer preferably contains ether bonds and ketone groups in a ratio of 0.01 to 100. The polymer can be substantially comprised of a structural unit represented by the Formula (1) as a repeating unit. A resin composition containing as a component structural units represented by the Formula (1) is also provided. The resin composition may further comprise an electrically conductive powder.
Abstract:
A novel biphenyl compound having GPR 14 antagonistic activity. It is a compound represented by the formula (I): wherein R1 represents hydrogen, etc.; X represents 1 to 12 spacers; A represents amino, etc., R2 and R3 each represents a hydrocarbon group, etc.; and rings B and C each represents an optionally further substituted benzene ring, or a salt thereof.
Abstract:
To provide an active electronic device which is formed from a carbon nanotube and which excels in high frequency operation and an electronic apparatus using the active electronic device. Provided are the active electronic device including: a carbon nanotube (1); a first electrode (S) connected to one end of the carbon nanotube; a second electrode (D) connected to the other end of the carbon nanotube; and a third electrode (G) facing the carbon nanotube (1) to irradiate the carbon nanotube (1) with electromagnetic waves, in which the amount of current flowing into the carbon nanotube (1) is changed by electromagnetic waves, at least high frequency electromagnetic waves, radiated from the third electrode onto the carbon nanotube (1), and the electronic apparatus using the active electronic device.
Abstract:
To provide a carbon nanotube device capable of efficiently exerting various electrical or physical characteristics of a carbon nanotube, the present invention provides: a carbon nanotube device, in which a carbon nanotube structure layer having a network structure in which plural carbon nanotubes mutually cross-link, is formed in an arbitrary pattern on a surface of a base body; and a method of manufacturing the carbon nanotube device with which the carbon nanotube can be suitably manufactured.
Abstract:
An electron beam generator device includes a base body having a conductive surface and a electron-emission electrode having a carbon nanotube structure on the conductive surface of the substrate. The carbon nanotube structure constitutes a network structure which has plural carbon nanotubes and a crosslinked part including a chemical bond of plural functional groups. The chemical bond connects one end of one of the carbon nanotubes to another one of the carbon nanotubes. A method for producing an electron beam generator device, includes applying plural carbon nanotubes each having a functional group onto a conductive surface of a base body, and crosslinking the functional groups with a chemical bond to form a crosslinked part, thereby forming a carbon nanotube structure constituting a network structure having plural carbon nanotubes electrically connected to each other.