368results about How to "Provide stable" patented technology

Disclosed is a low alloy steel for oil well pipes which has excellent sulfide stress cracking resistance and is suitable for casing and tubing for oil wells or gas wells. Specifically disclosed is a low alloy steel for oil well pipes containing, in mass %, 0.2-0.35% of C, 0.05-0.5% of Si, 0.05-1.0% of Mn, not more than 0.025% of P,. not more than 0.01% of S, 0.005-0.10% of Al, 0.1-1.0% of Cr, 0.5-1.0% of Mo, 0.002-0.05% of Ti, 0.05-0.3% of V, 0.0001-0.005% of B, not more than 0.01% of N, not more than 0.01% of O (oxygen), 0-0.1% of Nb, 0-0.01% of Ca, 0-0.01% of Mg and 0-0.1% of Zr, and having a half-value breadth (H) and a hydrogen diffusion coefficient (D) (10⁻⁶ cm²/s) satisfying the following formula (1): 30H+D≦19.5 (1).

A refrigerator includes a storage compartment formed in a cabinet of the refrigerator by a fixed insulation wall, the storage compartment provided with an access opening, a door rotatably provided to the cabinet to open and close the access opening, a drawer provided in the storage compartment, a camera fixed to a ceiling of the storage compartment to photograph both a first region for storing of food arranged in an external space of the drawer in the storage compartment and a second region for storing of food arranged in an internal space of the drawer in the storage compartment, and a controller to separate, through a capturing time of a picture containing both the first region and the second region, a first region picture and a second region picture from the picture to individually divide and store the first region picture and the second region picture.

Method of producing Ta powder for tantalum solid electrolytic capacitor capable of stably providing CV value of more than 220 k and to provide the Ta powder and its Ta granulated powder. In method of producing Ta powder by vaporizing TaCl₅ through heating and reducing with H₂ gas, the reduction is performed under conditions that feeding rate of TaCl₅ vapor passing through section area of reaction field of 1 cm² for 1 minute is 0.05˜5.0 g/cm²·min and residence time of TaCl₅ vapor in the reduction reaction field is 0.1˜5 seconds and reduction temperature of TaCl₅ is 1100˜1600° C., whereby Ta powder including a single phase of β-Ta of tetragonal system or mixed phase of β-Ta and α-Ta of cubic system and having average particle size of 30˜150 nm is obtained. Further, Ta granulated powder is obtained by granulating the Ta powder.

A radiation sterilization method of a disposable medical device and a manufacturing method are provided, which method comprising the steps of packaging a disposable medical device, which has applied thereto with hydrophilic polymer coating, with a gas permeable packaging material, controlling a product moisture content of the thus packaged medical device by maintaining the device in a given humidity atmosphere for not less than a time at which an equilibrated moisture content is reached, and subjecting, to radiation sterilization, the medical device whose product moisture content has been controlled, so that an eluted matter is reduced in amount and a sliding performance is ensured according to the radiation sterilization method of the hydrophilic polymer-coated, disposable medical device and the manufacturing method.

A wireless communication system includes plural wireless terminals between which multi-hop communications are performed; wherein processing for extended route search is activated to carry out route search and key exchange at the same time, the processing using a routing control protocol including a key exchange protocol.

The invention discloses a real-time stream data processing method and system of a smart city. The method comprises the steps of data collection, data type classification, data cleaning, data calculation and analysis, data display, data persistence storage and the like. The invention sets up a data collection module in the mode of mainly using Flume and supplemented by API collection, and utilizeschannel to carry out data persistence, so as to ensure reliability in the process of data transmission. Using Kafka as a stream processing platform and introducing the fault-tolerant mechanism of Flink to consume Kafka data in high level, the real real-time stream data processing can be realized, which can support millisecond-level computation. In addition, perfect window support of Flink providesmore perfect window aggregation computation API than Storm. Finally, WebSocket is used to establish the connection channel between a server and a Web end to provide real-time data service, reduce thepressure of data transmission, and improve the high concurrent access and availability of the system.

According to the embodiment, there is provided a coded stream generation method for generating a coded stream including a plurality of first units and a plurality of second units that are arranged in a time series. The method includes; separating the coded stream into a plurality of information units and defining a third unit containing the first units and the second units for each of the information units; assigning a first priority to the initial first unit and to the first units to be decoded as standard data in performing a fast-forward playback mode; assigning a second priority that is lower than the first priority to the first units to be decoded as reference data in performing the fast-forward playback mode; and assigning a third priority that is lower than the second priority to the first units to be undecoded in performing the fast-forward playback mode.

In order to stably provide customers with beverages in a supercooled state without impact, the present invention provides a vending machine which sells beverages, the vending machine including: a main body which has a storage chamber that accommodates beverages and stores the beverages in a supercooled state; racks which are disposed in the storage chamber and on which the beverages are placed; a cooling unit which cools air in the storage chamber; a cool air supplying unit which circulates air cooled by the cooling unit into the storage chamber; a cool air controlling unit which controls a temperature of cool air supplied from the cool air supplying unit in a supercooled temperature range of the canned beverage; and a dispensing unit which withdraws the beverage placed on the rack while keeping the beverage supercooled, and moves the beverage to an outlet of the main body.

A refrigerator and a control method for the same are disclosed. A refrigerator includes a storage compartment, a drawer movably provided in the storage compartment and provided with a marker, a camera that photographs the drawer from outside the drawer, and a controller that senses a position of the marker in photographs taken through the camera at time intervals, and that determines state information about the drawer based on a change in position of the marker in the photographs. A method includes recognizing closing of the drawer by sensing a start of opening of the drawer; acquiring an image of the drawer interior using the camera; processing the image to recognize the marker from the image; tracing a movement of the marker; acquiring a final image of the drawer interior using the camera when closing of the drawer begins; and displaying the final image.

A heat exchanger (1) includes: a heat sink (3) which is in contact with a heating element (2); and an electron emitting element (4) which is provided so as to be separated from the heat sink (3) by a space and which provides electrons to the heat sink (3) via air in the space. The electron emitting element (4) includes: an electrode substrate (7); a thin-film electrode (9); a power supply (10) which applies a voltage between the electrode substrate (7) and the thin-film electrode (8); and an electron acceleration layer (8) which accelerates the electrons inside itself in response to the voltage applied by the power supply (10) so that the electrons are emitted from the thin-film electrode (9). The electron acceleration layer (8) is made at least partially of an insulating material. As a result, the heat exchanger (1) has a heat exchange capability which can be maintained and improved independently of a structure in which electric field concentration tends to occur.

The invention provides an integrated auxiliary energy supply system for a wind and solar generator, which comprises a solar battery array (1), a wind power generating set (2), a diesel generator (4), a storage battery (5), an auxiliary energy management system (3), an inverter system (6) which changes DC into AC, and a DC transformer system (7), wherein, electric energy output by the solar battery array (1), the wind power generating set (2) and the diesel generator (4) can be supplemented mutually by the auxiliary energy management system (3) for realizing priority use of solar energy and wind energy and stable supply of auxiliary energy, which can utilize the recyclable green energy such as the solar energy and the wind energy maximally, reduce fuel oil consumption and carbon emission, and realize energy supplement by the diesel generator under a windless and lightless severe generation condition so as to guarantee reliability for auxiliary energy supply.

The present invention provides a liquid-crystalline polymer composition comprising:

a liquid-crystalline polymer and an aromatic polysulfone resin having oxygen-containing groups selected from among hydroxyl groups and oxyanion groups in an amount of 6×10⁻⁵ or more in number per 1 g of the polysulfone resin. The composition can suppress rise of specific gravity and reduction of heat resistance and can stably provide a molded article having excellent mechanical characteristics.

A sound processing apparatus includes: a filter means for providing a sound signal with a frequency-gain characteristic according to a spectrum difference between a previously measured first head-related transfer function of a sound generated from a virtual sound image position to an ear of a listener and a previously measured second head-related transfer function of a sound generated from a real sound source position to the ear, and outputting the sound signal.

Provided is a solid electrolytic capacitor that is excellent in productivity, has improved volumetric efficiency aiming for capacity increase, a stable fillet shape when mounted, and has excellent ESL characteristics. Included is a capacitor stack element composed of a stack of capacitor elements. The capacitor element includes one anode part of an anode body made of linear, foil-like, or plate-like valve metal and a cathode part composed of dielectric, solid electrolyte, graphite, and silver paste layers, which are sequentially formed to another surface of the anode body separated by insulating resin. A fillet formation part with a recessed part is provided to an end surface of anode and cathode terminals of a mounting electrode side of a first direction end surface of the electrode substrate to which the capacitor stack element is mounted. Further, the anode and cathode terminals for element connection reach the end surface of the first direction.

To propose an ultrasonic exploration method and an ultrasonic exploration apparatus that allow exploration of an exploration-target area such as a welded portion to provide a cross-sectional image of the exploration-target area accurately and stably.

[Solution] An exploration operation, in which the transmission/reception position, at which ultrasonic waves are transmitted and received, is changed by a specified pitch distance, is performed for each of a plurality of incident angles. A nonlinear image in which echo signals acquired from harmonic waves of reflected waves are presented is generated for each incident angle. Each nonlinear image is converted into a frame conversion image in accordance with the cross-sectional shape of an exploration-target area. A signal intensity threshold for removing echo signals resulting from an orientation defect is determined in advance. Frame conversion images formed by only echo signals 41a whose signal intensity is the signal intensity threshold or more are overlapped to generate a nonlinear exploration image 35. Exploration of a welded portion 23 stably provides a nonlinear exploration image 35 in which the shape of an interface 25 of the welded portion 23 is shown accurately and clearly.

An array substrate for liquid crystal display devices includes first and second gate lines spaced apart from each other, a common line between the first and second gate lines parallel to the first and second gate lines, a data line crossing the first and second gate lines to define first and second pixel regions with respect to the common line, a first thin film transistor at a crossing portion of the first gate line and the data line, a second thin film transistor at a crossing portion of the second gate line and the data line, a first pixel electrode connected to the first thin film transistor in the first pixel region, and a second pixel electrode connected to the second thin film transistor in the second pixel region, wherein the first and second pixel electrodes have a symmetric shape with respect to the common line.

A universal plug and play quality of service (UPnP QoS) network system and a method of reserving a path and resource thereof are provided. In order to set a path from a source device to a target device and to clearly control reservation of network resources for setting the path, the UPnP QoS network system includes: one or more UPnP QoS execution devices collecting and providing network status information and performing QoS for a service requested by reserving network resources based on path information and resource reservation information; and one or more UPnP QoS management devices acquiring and providing the path information and the resource reservation information to the UPnP QoS execution device by considering a QoS rank for the requested service and the network status information provided by the UPnP QoS execution device. Accordingly, since the path calculated by the UPnP QoS management device is the same as the path through which the UPnP QoS execution device reserves the network resources, it is possible to reserve suitable network resources and to provide stable QoS.

An ink jet ink providing an image having excellent lightfastness and having sticking resistance and intermittent ejection stability. The ink jet ink is characterized by containing at least a compound represented by the following general formula (I) and a compound represented by the following general formula (II).