International Business Machines Corporation

Mitsubishi Hitachi Power Systems, Ltd.

Daiichi Sankyo Company, Limited

Ntt Advanced Technology Corporation

Sony Corporation

Kabushiki Kaisha Toshiba

Fujifilm Corporation

Yokogawa Electric Corporation

Other

Nippon Telegraph and Telephone Corporation

Mitsubishi Heavy Industries Limited

Sankyo Company, Limited

Nec Display Solutions, Ltd.

US Conec Limited

Hitachi Global Technologies

Masayuki Murakami

Tatsuya Sakai

Makoto Yamaoka

Takeshi Nakajima

Masaru Kobayashi

Hideo Asano

Toshiyuki Kunikiyo

Masaaki Konishi

Yasuhiro Takase

Kuniharu Akabane

Kenji Habaguchi

Toyoaki Yokoi

Akito Ugawa

Koji Demachi

Takeshi Hongo

Masakazu Wakayama

Terumasa Kamouchi

Hiromichi Ebashi

Takenobu Hamano

Yousuke Ohta

Satoshi Arakawa

Masashi Watanabe

Jillcha Fekadu Wakjira

Toru Miura

Takeshi Honda

Naoyuki Kagami

Tomonari Sendai

Hiroshi Tanabe

Yoshitaka Nakamura

Naoyuki Nagafuchi

Shinichiro Kosugi

Keigo Matsumoto

Motohiko Okabe

Yuichi Aki

Yukimasa Nakamoto

Yuzo Nakagawa

Fuminori Fujii

Yuichi Higuchi

Jun Takehara

Hirofumi Saitoh

Takashi Kuroda

Hiroshi Ueki

Kazuya Higashi

Toshio Kanai

Sakae Itoh

Daiki Fujimura

Joji Yamaguchi

Masaru Takamatsu

Kenji Nakano

Hiroki Suzuki

Tsutomu Numata

Keita Fujii

Satoko Fujii

Kenichi Kimura

Daisuke Fukatsu

Hiroyuki Iwasa

Yasutsugu Takata

Yuhji Kigami

Makoto Michida

Akio Nakamura

Nobukazu Ishii

Toshiaki Satake

Masakazu Inoue

Naruhiko Aramaki

Toshikazu Kawamura

Toshiya Koyasu

Yoichi Takayanagi

Naohiro Sumimura

Masaaki Yamasaki

Koji Hamaoka

Yoshiaki Nakanishi

Setsuo Shoji

Keisuke Shimomura

Wataru Nagasaka

Itaru Endo

Takeyuki Shimizu

Yuki Hiramoto

David Brian Teague

Shin Akazawa

Kazuhiro Umeo

Masahiro Matsubara

Akinori Ishii

Sadatoshi Sogo

An arithmetic operation device includes a performance calculation unit that is configured to calculate performance of a plant before introduction of a part and the performance of the plant after the introduction of the part for each of combinations of a plurality of loads in the plant and a plurality of atmospheric temperatures around the plant, a storage unit that is configured to store a data table indicating a percentage of an operating time of the plant for each of the combinations, and a performance improvement calculation unit that is configured to calculate, on the basis of a calculation result in the performance calculation unit and the data table, how much the performance of the plant is improved compared with the performance before the introduction of the part in a case where the part is introduced and the plant is operated at the percentage indicated by the data table.

Arithmetic operation device, plant, arithmetic operation method and program

An optical connector cleaning tool includes a cleaning head that faces the lens (cleaning target portion) of an optical connector, and a cleaning cloth () that moves with respect to the cleaning head in a state in which the cleaning cloth is in contact with the lens. The cleaning cloth () is formed into a strip shape by a fabric () including a plurality of warps () in which a longitudinal direction thereof is a moving direction of the cleaning cloth moving with respect to the cleaning head. The warp () includes a first chemical fiber () and a second chemical fiber (). One chemical fiber of the first chemical fiber () and the second chemical fiber () is in a stretched state, and the other chemical fiber is in a slack state. It is possible to provide an optical connector cleaning tool capable of cleaning a lens-type optical connector.

Optical connector cleaning tool

A control device includes a fuel equivalent value calculation unit for determining the flow rate of fuel supplied to a gas turbine in accordance with a target value deviation between an actual rotation speed and a target rotation speed, an upper limit deviation calculation unit for obtaining an upper limit deviation which is a deviation between a set upper limit output and an actual output, a lower limit deviation calculation unit for obtaining a lower limit deviation which is a deviation between a set lower limit output and the actual output, and a parameter-changing unit for changing any one parameter among the target rotation speed, the actual rotation speed, and the target value deviation so that the target value deviation decreases when the actual rotation speed decreases and the upper limit deviation is small, and so that the target value deviation increases when the actual rotation speed increases and the lower limit deviation is small.

Fuel control method for gas turbine, control device for executing said method, and gas turbine installation provided with said control device

A gas turbine includes an air cooler that subjects compressed air extracted from a compressor to heat exchange and supplies the cooled compressed air to a cooling system of a rotor system in a turbine; an air cooler bypass line that bypasses the compressed air introduced into the air cooler; an electric valve provided in the air cooler bypass line; and a control unit. The control unit controls opening and closing of the electric valve such that, during activation of a gas turbine, a degree of opening of the electric valve is set at or below a low-level degree of opening and such that, after the load of the gas turbine has been increased, the degree of opening of the electric valve is set to be larger than the low-level degree of opening.

Gas turbine, combined cycle plant, and activation method of gas turbine

A combustor replacement method and a gas turbine plant capable of efficiently replacing a combustor using an existing facility. The combustor replacement method includes a step of separating, from a plurality of fuel supply systems, a first combustor that includes a plurality of nozzle systems connected to any of the plurality of fuel supply systems and supplied with fuel from the connected fuel supply systems, and removing the first combustor from a gas turbine plant. The method includes a step of attaching a second combustor that includes fewer nozzle systems than the first combustor to the gas turbine plant, and a step of providing communication between the fuel supply systems connected to the same nozzle system of the second combustor by a coupling pipe, and coupling the fuel supply systems and the second combustor.

Combustor replacement method and gas turbine plant

Providing a medical image storage unit that stores a medical image, an image processing unit that performs image processing on a medical image to be stored in the medical image storage unit and stores the result of the image processing in association with the medical image, and a past medical image identification unit that identifies, at a storage time point of a new storage target medical image in the medical image storage unit or at a time point before the storage time point, a past medical image related to the new storage target medical image from the medical images stored in the medical image storage unit, wherein the image processing unit performs the same image processing as that for the new storage target medical image on the identified past medical image and stores the result of the image processing in association with the past medical image.

Medical image storage processing apparatus, method, and medium

In order to ensure uniform gradation reproducibility even when an error occurs in a phosphor wheel or a color wheel, an image in which gradations change in steps is displayed and the rotation operation of a phosphor wheel and a color wheel is controlled on the basis of color coordinate values of each gradation that are measured each time the input timings of the first reference signal and the second reference signal are changed a plurality of times.

Projector and method for controlling rotation of phosphor wheel and color wheel in projector

A control device includes a mode-recognizing unit that recognizes whether a start mode of a steam turbine is a cold mode in which a temperature of a steam contact portion of the steam turbine is lower than a predetermined temperature or a different start mode in which the temperature of the steam contact portion is equal to or higher than the predetermined temperature, a first opening generator that generates a first degree of opening greater than a second degree of opening in the different start mode as a degree of opening of an intake air regulator of a compressor in a period after generation of steam from an exhaust heat recovery boiler is started and before supplying of the steam to the steam turbine is started, and a command output unit that outputs a command corresponding to the first degree of opening to the intake air regulator.

Combined cycle plant, control method of same, and control device of same

A water feeding system provided with: a first feed water line through which first feed water flows; a second feed water line through which second feed water having a lower pressure than the first feed water flows; a first heater that heats the first feed water; a first feed water introducing line that guides first heated feed water, which is the first feed water that has been heated by the first heater, to the second feed water line; a medium heat exchanger that causes the first heated feed water to exchange heat with a medium, thereby cooling the first heated feed water and heating the medium; and a cooling water injecting line that injects cooling water having a lower temperature than the first heated feed water into the first feed water introducing line, at a position located further to the second feed water line side than the medium heat exchanger.

Water feeding method, water feeding system implementing said method, and steam generating facility provided with water feeding system

A first steam turbine and a second steam turbine of a combined cycle plant are connected by a reheat steam line via a reheat section of an exhaust heat recovery boiler. The reheat steam line and a condenser are connected by a second bypass line. A control device includes: a determination unit that determines whether or not the flow rate of first steam flowing into the first steam turbine has reached a stipulated flow rate; a command output unit that, upon determining that the flow rate of the first steam flowing into the first steam turbine has reached the stipulated flow rate, outputs a close command to close a ventilator valve that is provided in the second bypass line and is open; and a threshold alteration unit that alters the threshold with which the determination unit determines whether or not the stipulated flow rate has been reached, the threshold being positively correlated with a temperature of the first steam.

Combined cycle plant, method for controlling same, and device for controlling same

It is an object of the present invention to provide an excellent method for producing an excellent therapeutic agent. The solution of the present invention is as shown in the following scheme: wherein Rrepresents a C1-C6 alkyl group, Rrepresents a C1-C6 alkyl group, and Rrepresents a C1-C6 alkyl group.

Method for producing dicarboxylic acid compound

An optical connector cleaning tool includes a supply reel () having a belt-like cleaning cloth (), and a winding bobbin () for winding the cleaning cloth (). The optical connector cleaning tool also includes a housing () which rotatably supports the supply reel () and winding bobbin (), a cleaning head () which comes in contact with the cleaning cloth (), and a pressing member () which supports the cleaning head () and moves in a longitudinal direction with respect to the housing (). The optical connector cleaning tool further includes a slide spring () which biases the pressing member () forward, and a transmission mechanism () which transmits an action of the pressing member () to the winding bobbin (). The transmission mechanism () includes a rack () on the side of the pressing member (), and a pinion on the side of the winding bobbin (). When the pressing member () retreats with respect to the housing (), the transmission mechanism () rotates the winding bobbin () in a winding direction so as to feed the cleaning cloth (). This optical connector cleaning tool can easily clean an optical connector plug while achieving downsizing by using a simple structure.

An optical connector cleaning tool includes a cylindrical connecting portion to which an optical connector is connected, a cleaning unit configured to guide a cleaning thread to a coupling end face of an optical connector plug, and an optical unit having an optical path reaching the optical connector plug. The optical unit includes a lens arranged in a position facing the coupling end face to form one end portion of an optical system, and having a missing portion extending in an optical-axis direction, and an image sensor positioned at the other end of the optical system. The cleaning unit includes a rod-like cleaning tip having a thread passage through which the cleaning thread passes. The cleaning tip is inserted into a hollow portion of the lens having the missing portion extending in the optical-axis direction, such that the cleaning tip is movable in a longitudinal direction thereof.

Optical connector cleaning tool and optical connector end face observation system

The invention provides a gas-turbine fuel nozzle that includes a plurality of fuel supply channels to which fuel is supplied, a plurality of fuel/sweep-fluid supply channels to which fuel or a sweep fluid for sweeping the fuel is supplied, and a plurality of injection holes that are provided at downstream ends of the fuel supply channels or the fuel/sweep-fluid supply channels and that inject the fuel guided from the fuel supply channels or the fuel/sweep-fluid supply channels; a sweep-fluid supply channel that is connected to the fuel/sweep-fluid supply channels to guide the sweeping; and sweep-fluid cooling means for cooling the sweep-fluid to a temperature lower than a self-ignition temperature of the fuel.

Gas turbine and gas-turbine plant having the same

A method for manufacturing a compound represented by the following formula (13): wherein Rrepresents a C-Calkyl group and Ac represents an acetyl group, comprising:reacting a compound represented by the following formula (12): wherein Rrepresents a C-Calkyl group, Ac represents an acetyl group and Boc represents a tert-butoxycarbonyl group, with water.

Method for manufacturing neuraminic acid derivatives

Growing community of inventors

Kanagawa, Japan

Masayuki Murakami