Abstract: A composition including (i) an asymmetric chain carbonate represented by the formula R1OCOOR2; and (ii) water, where, in the formula, R1 is an organic group, and R2 is an organic group different from R1; where the composition includes the water in an amount of 100 ppm or less; and where the asymmetric chain carbonate is at least one of CF3OCOOCH3, CF3CH2OCOOCH3, CF3CF2OCOOCH3, CF3CF2CF2OCOOCH3, CF3CF(CF3)OCOOCH3, CF3CH(CF3)OCOOCH3, CF3CF(CH3)OCOOCH3, CF3CH(CH3)OCOOCH3, CF3OCOOCH2CH3, CF3CH2OCOOCH2CH3, CF3CF(CF3)OCOOCH2CH3, CF3CH(CF3)OCOOCH2CH3, CF3CF(CH3)OCOOCH2CH3, CF3CH(CH3)OCOOCH2CH3, CH3OCOOCFHCH3, and CH3CH2OCOOC

Abstract: A method for producing a complementary model includes acquiring distribution information and incomplete distribution information as a dataset for learning and training the complementary model using the dataset. The distribution information indicates a distribution of an amount of a transport object in a drop target of a work machine, and the incomplete distribution information is information from which some values of the distribution information are missing. The complementary model is trained using the dataset such that when the incomplete distribution information is used as an input value, the complementary model complements the missing values and outputs the distribution information an output value.

Abstract: Disclosed is a method for producing a compound represented by formula (3), including step A of reacting a compound represented by formula (1) with a compound represented by formula (2) in the presence of at least one member selected from the group consisting of a compound represented by formula (4) and a compound represented by formula (5) wherein R1 to R10 are as defined for the symbols in the specification.

Abstract: Provided is a fluoropolymer containing a polymerization unit (I) derived from a monomer (I) represented by the general formula (I) and a polymerization unit (II) derived from a monomer (II) represented by the formula (II): CX1X3?CX2R(—CZ1Z2-A0)m??(I) wherein X1 and X3 are each independently F, Cl, H, or CF3; X2 is H, F, an alkyl group, or a fluorine-containing alkyl group; A0 is an anionic group; R is a linking group; Z1 and Z2 are each independently H, F, an alkyl group, or a fluorine-containing alkyl group; and m is an integer of 1 or more; and CHF?CHF??(II)

Abstract: To provide a design assistance system, a design assistance program, and a design assistance method which are capable of reducing or eliminating the burden on a designer of a structure when designing the structure. A design assistance system 10 includes an object recognizing unit 112 and an interference determining unit 113. The object recognizing unit 112 recognizes an object existence area which is an existence area of a different object A2 from the structure A1 on a three-dimensional coordinate system in accordance with information including the position of the object A2 on the three-dimensional coordinate system which has been specified through an input unit 12. The interference determining unit 113 determines the presence or absence of interference between each of plurality of members and the object A2 based on respective member existence areas of the plurality of members and the object existence area.

Abstract: To provide a component-temporarily holding member and a component mounting jig that do not require removal of a component installation jig after a foamed resin molding is demolded. In a component-temporarily holding member 3 having a temporary holding part 2 for temporarily holding a component 5 having a locking part 6 lockable to another member when mounting the component 5 by locking the locking part 6 in a component mounting position 8 of a forming die 4 for a foamed resin molding, the holding force of the temporary holding part 2 is less than the force with which the locking part 6 is locked in the component mounting position 8.

Abstract: To provide a component-temporarily holding member and a component mounting jig that do not require removal of a component installation jig after a foamed resin molding is demolded. In a component-temporarily holding member 3 having a temporary holding part 2 for temporarily holding a component 5 having a locking part 6 lockable to another member when mounting the component 5 by locking the locking part 6 in a component mounting position 8 of a forming die 4 for a foamed resin molding, the holding force of the temporary holding part 2 is less than the force with which the locking part 6 is locked in the component mounting position 8.

Abstract: To provide a design assistance system, a design assistance program, and a design assistance method which are capable of reducing or eliminating the burden on a designer of a structure when designing the structure. A design assistance system 10 includes an object recognizing unit 112 and an interference determining unit 113. The object recognizing unit 112 recognizes an object existence area which is an existence area of a different object A2 from the structure A1 on a three-dimensional coordinate system in accordance with information including the position of the object A2 on the three-dimensional coordinate system which has been specified through an input unit 12. The interference determining unit 113 determines the presence or absence of interference between each of plurality of members and the object A2 based on respective member existence areas of the plurality of members and the object existence area.

Abstract: A method for producing raw sugar and ethanol which includes the steps of: heating and clarifying a plant origin sugar juice; concentrating the clear sugar juice so that the Brix value of the clear sugar juice is 15 to 50%; cooling the syrup to a fermentation temperature; fermenting the syrup, thereby selectively converting the saccharide components other than sucrose in the syrup into ethanol; and concentrating the fermented solution.

Abstract: A method of timing control for servo-data detection in a disk drive. The method includes retrieving a plurality of servo sectors arranged discretely in a circumferential direction of a disk and measuring time intervals between servo sectors. The method also includes determining in which zone of a plurality of preset zones each of the measured time intervals is included. Moreover, the method also includes determining variations in time intervals from the zones of a plurality of previous time intervals, and modifying timing for servo-sector detection if variations in time intervals are within a preset range.

Abstract: Embodiments in accordance with the present invention provide a disk storage device and a control method for the disk storage device, which are capable of precluding an off-track write resulted from stick-slip caused by thermal distortion. A magnetic disk device is provided with a magnetic disk, a head that makes a writing to the magnetic disk, and a temperature sensor that detects the temperature inside of the magnetic disk device. Moreover, the magnetic disk device 1 changes determination requirements for use to make a determination whether or not to prohibit the writing by the head to the magnetic disk based on a measurement temperature detected by the temperature sensor and an amount of temperature change calculated using the measurement temperature.

Abstract: Embodiments in accordance with the present invention provide a disk storage device and a control method for the disk storage device, which are capable of precluding an off-track write resulted from stick-slip caused by thermal distortion. A magnetic disk device is provided with a magnetic disk, a head that makes a writing to the magnetic disk, and a temperature sensor that detects the temperature inside of the magnetic disk device. Moreover, the magnetic disk device 1 changes determination requirements for use to make a determination whether or not to prohibit the writing by the head to the magnetic disk based on a measurement temperature detected by the temperature sensor and an amount of temperature change calculated using the measurement temperature.

Abstract: In a disk device in which heads are positioned by a servo mechanism, the object of the present invention is to prevent data from being destroyed by incorrect selection of a head and to improve reliability in recording or reproducing information and to prevent format efficiency from being decreased thereby. For this object, a SAM pattern in a servo information region is changed for each head and recorded. Then, the SAM pattern is read to determine which head makes access to a disk surface and the head is compared with a head to which a direction of making access is given thereby to make an error check. Moreover, by the use of a marker pattern of rotational synchronization compensating data added to the servo information, an error check of the head making access to the disc surface is conducted.

Abstract: A disk drive comprises a controller (70) that calculates a drive signal for positioning a head at a desired track on the basis of a desired track-position signal and a measured head-position signal, and a drive circuit for driving a voice-coil motor. The drive circuit includes a current feedback amplifier (21) and a voltage feedback amplifier (50), which can be selectively used. The controller (70) is provided with a speed limiter for determining a maximum speed limiting the speed of a head. The voltage feedback amplifier of the drive circuit is used when the head-position signal is unstable or otherwise malfunctioning, and the current feedback amplifier of the drive circuit is used when the head-position signal is normal.

Abstract: A magnetic disk drive that drives and positions an actuator using a voice coil motor, includes a current sensing resistor connected in series to a terminal on current input side of the voice coil motor, a first operational amplifier and a second operational amplifier. The magnetic disk drive further includes one of a third operational amplifier and a microcomputer.

Abstract: A disk drive comprises a controller (70) that calculates a drive signal for positioning a head at a desired track on the basis of a desired track-position signal and a measured head-position signal, and a drive circuit for driving a voice-coil motor. The drive circuit includes a current feedback amplifier (21) and a voltage feedback amplifier (50), which can be selectively used. The controller (70) is provided with a speed limiter for determining a maximum speed limiting the speed of a head. The voltage feedback amplifier of the drive circuit is used when the head-position signal is unstable or otherwise malfunctioning, and the current feedback amplifier of the drive circuit is used when the head-position signal is normal.

Abstract: Settling response characteristics after change-over from a speed controller to a position controller is attained. Fluctuations in a time taken until change-over is made from the speed controller to the position controller are reduced to stabilize a moving time and to shorten an access time. To this end, a position controller generates a drive signal of a linear or primary function of time in such a manner that a position deviation signal responds to it with a ternary-order function of time which becomes zero in a desired finite settling time. Further, a feedforward signal generator is provided to reduce a follow-up error to a target position signal as an output of a target position signal generator.

Abstract: In a disk device in which heads are positioned by a servo mechanism, the object of the present invention is to prevent data from being destroyed by incorrect selection of a head and to improve reliability in recording or reproducing information and to prevent format efficiency from being decreased thereby.

Abstract: A magnetic disk drive that drives and positions an actuator using a voice coil motor, includes a current sensing resistor connected in series to a terminal on current input side of the voice coil motor, a first operational amplifier and a second operational amplifier. The magnetic disk drive further includes one of a third operational amplifier and a microcomputer.

Abstract: A magnetic disk drive uses a back electromotive force sensor that detects the back electromotive force produced in a VCM actuator without being affected by fast changes of current during a high-speed control sampling cycle, and that enables configuration of a fast, high-band speed control system. A back electromotive force sensor for disk drives has a first circuit that detests the coil terminal voltage of a voice coil motor and outputs that value as a band limited signal that is a constant multiple-of that value, a second circuit that detects a drive current in the voice coil motor and outputs a voltage signal proportional to that drive current, and a computation circuit that takes the difference between the output of said first circuit and the output of said second circuit.