Abstract: A method of manufacturing a hot press-formed part by hot pressing a coated steel sheet formed with a Zn—Ni plating layer on a surface of a steel sheet includes: heating the coated steel sheet to a temperature range of Ac3 transformation temperature to 1000° C.; cooling the coated steel sheet to 550-410° C. at a cooling rate of 100° C./s or higher by squeezing the coated steel sheet with a press tool for cooling having flat surfaces configured to contact the coated steel sheet; press forming the coated steel sheet with a tool of press forming to obtain a formed body, the press forming being initiated within 5 seconds after the cooling while the temperature of the coated steel sheet is 550-400° C.; and quenching the formed body, while squeezing the formed body with the tool of press forming and holding at its press bottom dead center, to obtain a hot press-formed part.

Abstract: In manufacturing a hot press forming part by hot pressing, using a tool of press forming, a coated steel sheet, the tool of press forming having a die, a blank holder, and a punch, edges of the coated steel sheet heated to a temperature range of Ac3 transformation temperature to 1000° C. are cooled with the edges squeezed between the die and the blank holder to a temperature of 550° C. or lower and 400° C. or higher at a cooling rate of 100° C./s or higher, press forming is performed so that the press forming is started when the edges reach a temperature of 550° C. or lower and 400° C. or higher, and after the press forming, a formed body is quenched with the formed body held at the press bottom dead center while being squeezed by the tool of press forming.

Abstract: A method of manufacturing a hot press formed part by hot pressing a coated steel sheet that is obtained by forming a Zn-based coating layer on a surface of a steel sheet includes: heating the coated steel sheet to a temperature range of 750° C. or more and 1000° C. or less; cooling a surface of the coated steel sheet; and hot press forming the coated steel sheet under a condition that a surface temperature of the coated steel sheet is 400° C. or less and an average temperature of the coated steel sheet is 500° C. or more or a temperature of a center position of the coated steel sheet in a thickness direction is 530° C. or more.

Abstract: A method of analyzing press-forming of a press-forming material including analyzing press-forming, analyzing springback and analyzing a change in shape of the press-forming material. The analyzing press-forming may include setting an initial temperature distribution for the heated press-forming material and performing a press-forming analysis by combining temperature analysis and structural analysis to obtain shape information, temperature distribution, stress distribution, and strain distribution. The analyzing springback may occur with and without consideration of contact heat transfer between a press-forming tool and the press-forming material. The method may further include modifying the temperature distribution obtained in the analyzing springback and then re-analyzing the change in shape of the press-forming material. The analyzing the change in shape may be performed until a temperature distribution in the press-forming material is within the range of ±5° C.

Abstract: A molecular device including: at least one molecule of zinc cytochrome c; in which an electron or a hole is transferred within the at least one molecule of zinc cytochrome c bar utilizing transition of an electron between molecular orbitals of the at least one molecule of zinc cytochrome c. The molecular orbitals, for example, are a first molecular orbital localized in a first amino acid residue of the at least one molecule of zinc cytochrome c, and a second molecular orbital which is localized in a second amino acid residue of the at least one molecule of zinc cytochrome c and which has a maximum transition probability per unit time with respect to the first molecular orbital. In this case, the electron or the hole is transferred between the first amino acid residue and the second amino acid residue.

Abstract: A method forms a steel sheet having a tensile strength of 440 MPa or more into a press-formed part including a flange portion and other portions by press forming. The method includes: heating the steel sheet to a temperature of 400° C. to 700° C.; and press-forming the heated steel sheet by crash forming to obtain a press-formed part such that an average temperature difference among a flange portion and other portions of the press-formed part immediately after the formation is kept within 100° C. Geometric changes such as springback that occur in a panel can thus be suppressed, dimensional accuracy of the panel can be enhanced accordingly, and the desired mechanical properties can easily be obtained in the press-formed part.

Abstract: A method of forming a steel sheet having a tensile strength of 440 MPa or more into a press-formed part including a flange portion and other portions by press forming includes: heating the steel sheet to a temperature of 400° C. to 700° C.; and press-forming the heated steel sheet using draw forming to obtain a press-formed part, with the steel sheet being held at a press bottom dead point in the die for one second to five seconds. Geometric changes such as springback that occur in a panel can thus be suppressed, the dimensional accuracy of the panel can be enhanced, and the desired mechanical properties can easily be obtained in the press-formed part.

Abstract: To provide a fuel cell that can perform efficient power generation through a simple fuel supply. There is provided a fuel cell that generates electricity through progress of an oxidation-reduction reaction using an enzyme as a catalyst, the fuel cell including at least a fuel-vaporizing layer formed through vaporization of a fuel; an anode to which a vaporized fuel is supplied from the fuel-vaporizing layer; and a cathode connected to the anode in a state in which protons can be conducted. In the fuel cell, since a fuel is supplied to an electrode in a vaporized state, a vaporized fuel is supplied to an inner portion of the electrode and a reaction sufficiently proceeds at the inner surface of the electrode, which can achieve high output due to efficient power generation.

Abstract: A color imaging element, a photosensor and a photoelectric transducer which use a protein and are capable of being stably used for a long time, and methods of manufacturing them are provided. A zinc-substituted cytochrome c552 is immobilized on a gold electrode with a self-assembled monolayer in between to form a blue-light photoelectric transducer. Alternatively, a cytochrome c552 is immobilized on a gold electrode with a self-assembled monolayer in between, and a fluorescent protein absorbing blue light is bonded to the cytochrome c552, thereby forming a blue-light photoelectric transducer. These photoelectric transducers each are used as a color imaging element or a blue-light photoelectric transducer of a photosensor.

Abstract: A press-forming analysis method includes a step of analyzing press forming including setting an initial temperature distribution to a heated press-forming metallic sheet, and acquiring shape information, a temperature distribution, a stress distribution, and a strain distribution before mold release, in which a temperature analysis and a structural analysis are coupled; a step of analyzing springback including conducting a springback analysis based on the shape information, the temperature distribution, the stress distribution, and the acquired strain distribution, and acquiring shape information, a temperature distribution, a stress distribution, and a strain distribution after springback; and a step of analyzing cooling stress including restraining particular nodes based on the shape information, the temperature distribution, the stress distribution, and the acquired strain distribution, and analyzing stress distributions during cooling and after the cooling by coupling a temperature analysis and a structur

Abstract: The valve control unit of a fuel leakage preventing structure of the present invention includes first and second electrodes. The first electrode is attached to a first member that is movable. When a pressing force is applied to the first member to move, the first and second electrodes are brought into contact with each other, to cause conduction. The first and second electrodes are connected to a control device, and the control device opens a control valve when the first and second electrodes are put into a conducting state. As the control valve is opened and closed by a pressing force in this manner, a fuel solution can be easily supplied.

Abstract: Provided is a photoelectric conversion element including a photoconductor containing a complex of a conductive polymer and/or polymer semiconductor and a protein containing at least one dye having a long-lived excited state.

Abstract: Provided is a thin three-dimensional interactive display which enables multi-touch sensing and three-dimensional gesture recognition. The three-dimensional interactive display includes a light source for irradiating an object to be detected with a light, a light modulation layer, into which a scattered light generated by irradiating the object with the light from the light source enters, at least for modulating an intensity of the scattered light, a transparent light-receiving layer for receiving the light transmitted through the light modulation layer, and a display panel or a back light panel disposed on the opposite side of the transparent light-receiving layer from the light modulation layer. The transparent light-receiving layer has a two-dimensional array of light-receiving elements.

Abstract: A conductivity type of a protein semiconductor is controlled by controlling total amount of charge in amino acid residues, a p-type protein semiconductor or an n-type protein semiconductor is manufactured, and a pn junction is manufactured using the p-type protein semiconductor and the n-type protein semiconductor. The total amount of charge in amino acid residues is controlled by substituting one or more of an acidic amino acid residue, a basic amino acid residue, and a neutral amino acid residue, which are contained in protein, with an amino acid residue having different properties, chemically modifying one or more of an acidic amino acid residue, a basic amino acid residue, and a neutral amino acid residue, which are contained in the protein, or controlling polarity of a medium surrounding the protein.

Abstract: The present invention provides a method and apparatus for easily and clearly identifying the effect of a countermeasure for reducing springback in press-forming. According to the invention, the method for identifying the effect of a countermeasure for reducing springback includes calculating a pre-release residual stress distribution in a press-formed part under a preset press-forming condition, calculating an after-release residual stress distribution in the press-formed part released from the die on the basis of the result of calculation, calculating the difference between the residual stress distributions on the basis of these results of calculation, calculating the difference between residual stress distributions similarly obtained under a changed press-forming condition, calculating a variation in the residual stress distribution caused by changing the press-forming condition on the basis of these differences between the residual stress distributions, and displaying the variation in contour plots.

Abstract: A protein photoelectric conversion device including a gold electrode; and a substance selected from the group consisting of a metal-substituted cytochrome b562, a zinc chlorin cytochrome b562, a derivative thereof, and a variant thereof immobilized on the gold electrode.

Abstract: Provided is a fuel cell capable of preventing elution of nicotinamide adenine dinucleotide and/or a derivative thereof immobilized on an electrode, and capable of preventing performance degradation due to elution, and a method for manufacturing the fuel cell. A biofuel cell having a structure in which a positive electrode and a negative electrode face each other via a proton conductor, the biofuel cell configured so that an enzyme is used to extract electrons from a fuel, wherein the negative electrode is configured from an electrode including carbon and/or an inorganic compound having pores with a size of 2 nm or more and 100 nm or less on the surface, nicotinamide adenine dinucleotide and/or a derivative thereof being immobilized on the carbon and/or the inorganic compound. A carbon particle, a carbon sheet, or carbon fiber is used as the carbon.

Abstract: As a technique for increasing the output of a microbial fuel cell, a microbial fuel cell including a polyol such as glycerol as a fuel and using a microbe in which an enzyme that catalyzes a redox reaction has been introduced by genetic recombination on the side of a negative electrode is provided. By this microbial fuel cell, the velocity of the reaction can be increased to thereby give a high output by retaining a microbe in which an enzyme that catalyzes a redox reaction such as diaphorase has been introduced by genetic recombination on the side of the negative electrode.

Abstract: In one example embodiment, a protein-immobilized electrode is stably used for long time. In one example embodiment, a method of manufacturing the protein-immobilized electrode includes immobilizing cytochrome c552 having high stability to a chemically-stable gold electrode while maintaining electron transfer capability of the cytochrome c552. In one example embodiment, a self-assembled monolayer is formed on a gold electrode by using hydrophobic thiol and hydrophilic thiol. By dipping the gold electrode on which the self-assembled monolayer is formed in a cytochrome c552 solution, a protein-immobilized electrode in which a cytochrome c552 is immobilized to the gold electrode with the self-assembled monolayer in between is produced.

Abstract: A method for designing a heat-resistant mutant enzyme, the method including the step of reducing a distance between the ?4 helix and the ?6 helix in a protein three-dimensional structure to become smaller than that of a wild type enzyme through deletion, replacement, addition, or insertion of one or several amino acids in the amino acid sequence of the wild type enzyme with respect to tyrosine-dependent short-chain dehydrogenase/reductase.