Abstract: This organic electroluminescent element is manufactured by using an anthracene derivative having a pyridyl aryl group substituted with an alkyl represented by formula (1) as an electron transport material, and satisfies characteristics such as the following in an adequate and well-balanced manner: improves the external quantum efficiency of the light-emitting element, which is generally required by the electron transport material; reduces the drive voltage of the light-emitting element; and increases the life of the element. (In formula (1), Ar is a divalent or trivalent benzene or naphthalene; R is hydrogen or an alkyl with a carbon number of 1 to 6, but all of the Rs never simultaneously form hydrogen; and R1 to R4 are, individually, hydrogen, an alkyl with a carbon number of 1 to 6, a cycloalkyl with a carbon number of 3 to 6, or an aryl with a carbon number of 6 to 20.

Abstract: A gas insulated switching apparatus includes a transformer line unit and a power transmission and reception line unit adjacent to each other. The power transmission and reception line unit includes two cable heads. The cable heads are arranged at an interval between units in an extension direction in which a bus-bar extends, and the cable head is disposed in a space behind the transformer line unit.

Abstract: The circumference coating material fills a recessed groove that is formed on a circumferential surface of a honeycomb fired body and extends an axial direction at which a part of cells are opened to the outside and to cover the circumferential surface, thereby forming a circumferential wall on the circumferential surface of a honeycomb structure, and the circumference coating material includes colloidal silica in a part of raw materials to be used and has a chlorine concentration of 150 ppm or less. In addition, the colloidal silica to be used has a chlorine concentration of 500 ppm or less, and the colloidal silica is produced using at least any one acid of sulfuric acid, phosphoric acid, and organic acid.

Abstract: A printing device includes a print data management unit that is capable of storing and managing print data so as to be associated with corresponding identification information used in user identification; an identification information storing unit that stores the identification information; a receiving unit that receives the print data; an identification information obtaining unit that obtains the identification information included in the print data; a registration determining unit that determines whether the obtained identification information is already registered in the identification information stored in the identification information storing unit; an identification information registering unit that registers in the identification information storing unit the obtained identification information when the registration determining unit determines that the obtained identification information is unregistered; and a print data storing unit that stores the received print data in the print data management unit

Abstract: A printing device includes a print data management unit that is capable of storing and managing print data so as to be associated with corresponding identification information used in user identification; an identification information storing unit that stores the identification information; a receiving unit that receives the print data; an identification information obtaining unit that obtains the identification information included in the print data; a registration determining unit that determines whether the obtained identification information is already registered in the identification information stored in the identification information storing unit; an identification information registering unit that registers in the identification information storing unit the obtained identification information when the registration determining unit determines that the obtained identification information is unregistered; and a print data storing unit that stores the received print data in the print data management unit

Abstract: A fall-off preventing structure of a propeller shaft does not allow a companion flange to be completely pulled off and dropped from a spline shaft when a nut loosens and comes off. In the propeller shaft, a round shaft part is provided on a front end of the spline shaft, a length of a threaded part of the spline shaft front end side on which the nut is screwed and the round shaft part is set longer than a length from a front end portion of the companion flange to a seat surface of the nut, and a total length of the length of the threaded part and the round shaft part and a length from the front end portion of the companion flange to the seat surface of the nut is set longer than the tolerable slide amount.

Abstract: The invention concerns a compound represented by formula (1) below, and an organic EL device using the same. The compound of the invention is useful as an electron transport material that contributes to improvement in service life prolongation, reduction of driving voltage, achievement of high efficiency and so forth, above all, improvement in achieving high efficiency, and can provide an excellent organic EL device: wherein, Ar is an m-valent group derived from aromatic hydrocarbon or an aromatic heterocycle; X1 to X6 are ?CR1— or ?N—, at least two of X1 to X6 is ?CR1—, R1 in two of ?CR1— is a bonding hand to be bonded with Ar or an azole ring, and R1 in ?CR1— other than the above is hydrogen or alkyl having 1 to 4 carbons; Y is —O— or —S—; at least one of hydrogen in an azole ring may be replaced by alkyl, phenyl or naphthyl; m is an integer from 2 to 4; and at least one of hydrogen in each ring and alkyl in the formula may be replaced by deuterium.

Abstract: A method for processing data with a terminal and a system connected to the terminal via a network, which includes the steps of executing a process according to a request transmitted from the terminal via the network, performing a first user authentication with respect to the terminal by using the terminal or an authentication apparatus connected to the terminal via the network, storing first authentication data used for the first user authentication in association with second authentication data used for a second user authentication in a storage unit, and performing the second user authentication with respect to the system. In a case where at least a portion of the first authentication data is authenticated by the first user authentication, the second user authentication is performed by using the first and second authentication data stored in the storage unit and the portion of the first authentication data.

Abstract: A printing device includes a print data management unit that is capable of storing and managing print data so as to be associated with corresponding identification information used in user identification; an identification information storing unit that stores the identification information; a receiving unit that receives the print data; an identification information obtaining unit that obtains the identification information included in the print data; a registration determining unit that determines whether the obtained identification information is already registered in the identification information stored in the identification information storing unit; an identification information registering unit that registers in the identification information storing unit the obtained identification information when the registration determining unit determines that the obtained identification information is unregistered; and a print data storing unit that stores the received print data in the print data management unit

Abstract: A novel polycyclic aromatic compound in which plural aromatic rings are linked via boron atoms, oxygen atoms and the like is provided, and therefore, the range of selection of the material for organic electroluminescent elements can be widened. Also, an excellent organic electroluminescent element is provided by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element.

Abstract: A printing device includes a print data management unit that is capable of storing and managing print data so as to be associated with corresponding identification information used in user identification; an identification information storing unit that stores the identification information; a receiving unit that receives the print data; an identification information obtaining unit that obtains the identification information included in the print data; a registration determining unit that determines whether the obtained identification information is already registered in the identification information stored in the identification information storing unit; an identification information registering unit that registers in the identification information storing unit the obtained identification information when the registration determining unit determines that the obtained identification information is unregistered; and a print data storing unit that stores the received print data in the print data management unit

Abstract: Provided is an organic electroluminescence element having superior element service life. An anthracene compound in which an aryl group having C10 or greater is bonded to the 9-position and a naphthyl group is bonded to the 10-position, wherein a compound in which a specific aryl group has been substituted, in particular, at the 7-position of the naphthyl group (which is bonded at the 2-position thereof to the anthracene) is used as a material for a luminescence layer to produce the organic electroluminescence element.

Abstract: Provided is an organic electroluminescent element which has improved driving voltage and improved current efficiency. An organic electroluminescent element having the above-mentioned improved characteristics is provided by using, as a material for organic electroluminescent elements, a polycyclic aromatic compound in which a nitrogen atom and another heteroatom or a metal atom (X) are adjacent to each other in a non-aromatic ring.

Abstract: An information processing apparatus includes an analysis part that analyzes a set of output data that has been input to obtain an attribute value of an output attribute; a determination part that determines whether to generate a preview image of the set of output data, based on the attribute value of the output attribute of the set of output data and history information that associates attribute values of the output attribute of sets of output data with information concerning preview displays of the sets of output data; and a preview image generation part that generates, based on the determination result of the determination part to generate the preview image of the set of output data, the preview image of the set of output data, and stores the generated preview image in a storage part.

Abstract: An electro-optic device is provided. In the electro-optic device, when a groove is sealed to be hollow, a sacrificial film is formed in the groove before forming a first sealing film, the first sealing film is formed, and then the sacrificial film is removed through a penetration portion of the first sealing film. A second sealing film is formed on the first sealing film, and the penetration portion of the first sealing film is blocked by the second sealing film. For this reason, it is possible to form the first sealing film to block an opening portion of the groove, and it is possible to prevent the first sealing film from being formed up to the inside of the groove.

Abstract: This organic electroluminescent element is manufactured by using an anthracene derivative having a pyridyl aryl group substituted with an alkyl represented by formula (1) as an electron transport material, and satisfies characteristics such as the following in an adequate and well-balanced manner: improves the external quantum efficiency of the light-emitting element, which is generally required by the electron transport material; reduces the drive voltage of the light-emitting element; and increases the life of the element. (In formula (1), Ar is a divalent or trivalent benzene or naphthalene; R is hydrogen or an alkyl with a carbon number of 1 to 6, but all of the Rs never simultaneously form hydrogen; and R1 to R4 are, individually, hydrogen, an alkyl with a carbon number of 1 to 6, a cycloalkyl with a carbon number of 3 to 6, or an aryl with a carbon number of 6 to 20.

Abstract: A component attaching structure for attaching a first component and a second component to each other. The first component has an attachment hole and an internal thread formed therein. The second component has an external thread formed thereon. The second component supports a sealing member, which seals an interface between an outer circumferential surface of the second component and an inner circumferential surface of the attaching hole at a position closer to a tip end of the second component than the external thread. If the direction in which the second component moves relative to the first component when the second component is attached to the first component is defined as an attaching direction, a distance between the external thread and the sealing member in the attaching direction is greater than the length of the internal thread in the attaching direction.

Abstract: An image processing apparatus includes a storing unit configured to store comparison data; an analysis unit configured to analyze a print job sent by a requesting user from an information processing apparatus to obtain user information of the requesting user; a comparison unit configured to compare the obtained user information with the comparison data to determine whether registered user information corresponding to the obtained user information is present in the comparison data; and a registration unit configured to register the obtained user information as the comparison data of an authorized user if the registered user information corresponding to the obtained user information is not present in the comparison data. The comparison unit is configured to control execution of a printing process and/or an error process if the registered user information corresponding to the obtained user information is present in the comparison data.

Abstract: A fall-off preventing structure of a propeller shaft does not allow a companion flange to be completely pulled off and dropped from a spline shaft when a nut loosens and comes off. In the propeller shaft, a round shaft part is provided on a front end of the spline shaft, a length of a threaded part of the spline shaft front end side on which the nut is screwed and the round shaft part is set longer than a length from a front end portion of the companion flange to a seat surface of the nut, and a total length of the length of the threaded part and the round shaft part and a length from the front end portion of the companion flange to the seat surface of the nut is set longer than the tolerable slide amount.

Abstract: A disclosed managing apparatus and image forming apparatus management system ensure confidentiality of information in an image forming apparatus while usability is maintained. An image forming apparatus acquires IC card identifying information with an IC card reader. A management server acquires a user ID associated with the acquired IC card identifying information and use limit information concerning use of the image forming apparatus. A process is performed in the image forming apparatus in accordance with the use limit information.