58results about How to "Reduce inequality" patented technology

A method for removing contaminants from an organic-based feed stream which includes the use of a layer of reticulated ceramic material to filter the organic-based feed stream and to provide liquid distribution upstream of the catalyst bed.

A method for removing contaminants from an organic-based feed stream which includes the use of a layer of reticulated ceramic material to filter the organic-based feed stream and to provide liquid distribution upstream of the catalyst bed.

The present invention provides a synchronous motor drive system designed to realize reduced vibration and noise along with high output. The system includes: inverters 101, 102, and 103 for converting a direct current to a three-phase alternating current; a current application control unit 52 that controls operations of the three-phase inverters; and a synchronous motor 41 driven by three-phase alternating currents supplied from the three-phase inverters. The current application control unit 52 determines, for each three-phase inverter, a current phase angle and a current amount of a three-phase alternating current to output, and each inverter supplies a three-phase alternating current having the determined current phase angle and current amount to a different one of three-phase coil groups 200a to 200c.

A heat exchanger includes a plurality of flat, multi-channel heat exchange tubes extending between spaced headers. Each heat exchange tube has a plurality of flow channels extending longitudinally in parallel relationship from its inlet end to its outlet end. A plurality of connectors are positioned between the inlet header and the heat transfer tubes such that the connector inlet ends are in fluid flow communication with the header through a relatively small cross-sectional flow area openings and the connector outlet ends are adapted to receive the inlet end of a heat exchanger tube. The connector defines a fluid flow pathway from the relatively small cross-sectional flow area opening in the inlet end of the connector to an outlet opening in the outlet end of the connector that opens to the flow channels of the heat exchange tube received in the outlet end of the connector.

A heat exchanger includes a plurality of flat, multichannel heat exchange tubes extending between spaced headers. Each heat exchange tube has an inlet end in fluid flow communication with one of the headers and an outlet opening to the other header. Each heat exchange tube has a plurality of flow channels extending longitudinally in parallel relationship from its inlet end to its outlet end. A plurality of connectors are positioned between the inlet header and the heat transfer tubes to define a flow path providing fluid flow communication between the inlet header and the inlet ends of the heat exchange tubes. Two or more flow restriction ports are arranged in the series in the flow path through each connector whereby fluid flowing from the inlet header to the flow channels of the heat exchange tube associated therewith undergoes an expansion as the fluid passes through each flow restriction port.

A heat exchanger includes an inlet header, an outlet header and a plurality of flat, multi-channel heat exchange tubes extending therebetween. A longitudinally extending member divides the interior of the header into a first chamber on one side thereof for receiving a fluid and a second chamber on the other side thereof. A plurality of multi-channel heat exchange tubes extend between the headers with the respective inlet end of each heat exchange tube passing into the second chamber of the inlet header. Fluid passes through a series of longitudinally spaced openings in the longitudinally extending member for distribution to the inlets to the channels of the multi-channel heat exchange tubes. The fluid may undergo expansion as it passes through the openings.

Anti-swirl baffles are provided in a mass transfer column to reduce the swirling motion of a vapor or mixed phase feed stream introduced into the column. The column is of the type having an upper region of a preselected diameter, a lower region of reduced diameter, and an intermediate transition region that has a diameter that transitions from the preselected diameter of the upper region to the reduced diameter of the lower region. The column includes a vapor or mixed phase feed nozzle and a feed device such as a vapor horn located at least partially within the upper region for delivering the vapor or mixed phase feed stream into the column. The anti-swirl baffles are positioned in the intermediate transition region of the column to disrupt the swirling motion of the vapor or mixed phase feed stream as portions of it descend from the feed device into the transition region of the column. An annular shield positioned in the transition region and spaced inwardly of the column shell defines a liquid flow passage that is shielded from the swirling motion of the vapor or mixed phase feed stream to reduce liquid entrainment.

At least one section of structured packing characterised in that: (a) the length of said section is from about 1 m to about 6 m; and (b) the specific surface area of the structured packing of said section is greater than 500 m2 / m3, is used in a vapour / liquid contact column operating in locations where environmental conditions adversely affect steady state operation of said column to reduce maldistribution of liquid in said column under motion. The structured packing section has particular application offshore on a buoyant platform where tilt of the column out of vertical alignment due to the rolling motion of the platform can significantly affect the efficiency of the column.

The invention discloses a task scheduling method, a device and a system, and a computer device, belonging to the computer technical field. The method comprises the following steps: receiving a resource acquisition request sent by a first task scheduling node; Determining a target computing node capable of providing a target resource amount in a shared resource pool, wherein the shared resource pool records the remaining resources of the computing nodes in the task scheduling system; A first resource acquisition response is sent to the first task scheduling node, the first resource acquisitionresponse comprising an identification of a target computing node, the first resource acquisition response being used to instruct the first task scheduling node to dispatch a task to be dispatched to the target computing node. The invention adds a resource management node in the task scheduling system, and the remaining resources of the computing node in the task scheduling system are uniformly managed by the first resource management node, thereby effectively improving the utilization rate of the remaining resources in the system by the task scheduling system. The present invention is used fortask scheduling.

A heat exchanger includes a plurality of flat, multi-channel heat exchange tubes extending between spaced headers. Each heat exchange tube has its inlet end in fluid flow communication to an inlet header through a transition connector. The transition connector has a body defining a divergent flow path extending from an inlet opening in its inlet end to an outlet opening in its outlet end, and a tubular nipple extending outwardly from the inlet end of the divergent flow path through the wall of the inlet header. The tubular nipple defines a fluid flow path extending between the inlet end of the divergent flow path of the transition connector and the fluid chamber of the inlet header. The inlet header has a lateral dimension less then the lateral dimension of the heat exchange tube.

A heat exchanger includes an inlet header, an outlet header and a plurality of flat, multi-channel heat exchange tubes extending therebetween. A longitudinally extending member divides the interior of the header into a first chamber on one side thereof for receiving a fluid and a second chamber on the other side thereof. A plurality of multi-channel heat exchange tubes extend between the headers with the respective inlet end of each heat exchange tube passing into the second chamber of the inlet header. Fluid passes through a series of longitudinally spaced openings in the longitudinally extending member for distribution to the inlets to the channels of the multi-channel heat exchange tubes. The fluid may undergo expansion as it passes through the openings.

In a transmitting device, each of the plurality of mapping candidates that make up the search space is configured from the same number of control channel elements as an aggregation level value, the control channel elements are obtained by dividing each physical resource block into a predetermined number, and the quantity of resource elements contained in each of the predetermined number of control channel elements in each physical resource block adopts at least two types of values. A search space setting unit (102) sets a search space of which the aggregation level value is 2 or more so that, between a plurality of mapping candidates, variation in the total quantity of resource elements contained in the control channel elements that make up the mapping candidates is as small as possible.

A heat exchanger includes a first header and a second header and a plurality of heat exchange tubes extending therebetween. Each heat exchange tube has an inlet end opening to one of the headers and an outlet opening to the other header. Each heat exchange tube has a plurality of channels extending longitudinally in parallel relationship from its inlet end to its outlet end, each channel defining a discrete refrigerant flow path. The inlet end of each of the plurality of heat exchange tubes is positioned with the inlet opening to the channels disposed in spaced relationship with and facing an opposite inside surface of the header thereby defining a relatively narrow gap between the inlet opening to the channels and the facing opposite inside surface of the header. The gap may function either as a primary expansion device or as a secondary expansion device.

A radial U-flow adsorption unit for air purification in a TSA process, having a gas outlet at one end and at least one gas inlet at the side, preferably at the same end of the unit as the gas outlet. The simpler design of the unit facilitates manufacture, installation and transport, and reduces the capital and operating costs.

A congestion control target call is selected so as to be capable of reducing inequality or the like between services or users in consideration of characteristics such as the urgency of the service or the user. A communication system includes a server device, a terminal device which transmits and receives a packet to and from the server device, and a communication device which relays communication of a packet with the terminal device and a control method thereof. The communication device selects a call which is a congestion control target on the basis of a value indicating a priority selected as a congestion control target and / or a bandwidth or a packet communication traffic volume occupied by a service or user when congestion occurs in consideration of characteristics such as the urgency of the service or the user when the congestion of the communication system is detected or foreseen.

With a liquid discharge device, a maximum of N liquid droplets are discharged so as to land within each pixel region for forming a pixel corresponding to the pixel region, a target landing position is selected at random for each liquid droplet, from M liquid landing position candidates, forming an array in the direction of an array of nozzles, determined such that at least a part of the landing liquid droplet region corresponding to each landing position candidate is included within the pixel region, and the discharge direction of the liquid droplet is controlled such that the liquid droplet lands at the determined target landing position. The liquid discharge device having such a configuration has the advantage of preventing occurrence of streaks between dot columns in a printed image due to irregularities in an array of discharge portions.

The invention relates to a preparation method of a PIPD / PBO (poly(dihydroxyphenylene pyridobisimidazole) / poly-p-phenylene ben-zobisthiazole) blend fiber and belongs to the technical field of blend fibers. The technology comprises the steps of preparation of a PIPD / PPA (phenyl-propanolamine) polymer solution, preparation of a PBO / PPA polymer solution, mixed preparation of a PIPD / PBO polymer, preparation of freshly formed filaments, drawing, solidification, water washing and drying. According to the PIPD / PBO blend fiber prepared by the method, the PIPD polymer is introduced into a PBO fiber, that is to say, a little PIPD is added into a PBO polymer matrix. The wettability and bonding performance of the PBO fiber with a resin matrix are improved on the premise that the excellent mechanical property, high-temperature resistance and flame resistance of the PBO fiber are not reduced.

[Object] To provide a wireless communication device and a wireless communication method capable of reducing an inequality of transmission opportunities occurring when a carrier sense level is changed.[Solution] A wireless communication device includes: a wireless communication unit configured to perform wireless communication with another device; and a control unit configured to set a first carrier sense level and control a parameter used by the wireless communication unit to transmit data based on a comparison result between the set first carrier sense level and a second carrier sense level which is a default.

An expansion device for a heat exchanger having a manifold and a plurality of mini- and or micro-channels. The expansion device has an outer element having a plurality of orifices therethrough that is received in the manifold, and an inner element telescopically received in the outer element having at least one orifice therethrough and being in fluid communication with the plurality of orifices. Fluid passing through the at least one orifice and through the plurality of orifices is expanded and reduced in pressure prior to entering the manifold.

The invention discloses a method for computing cloud computing service resources based on a big data environment. The method comprises the following steps: collecting running indexes of a virtual machine in a service system through data collection and data mining; classifying the collected running indexes; analyzing the classified running indexes, and obtaining all kinds of standard resource indexes; collecting resource application information of a user; extracting optimal resource configuration according to the resource application information and the standard resource indexes; and applying resources and creating the environment according to the resource configuration. The invention further discloses a system for computing cloud computing service resources based on the big data environment. Accurate resource amount can be provided for the target service system corresponding to the user by data analysis of each service system and the application resource amount by using the big data, so that when the user applies for the resource or when an administrator allocates resources, the resource use accuracy is improved, and the continuity and resource use rate of the service system of theuser are improved.

The invention relates to an air purification equipment maintenance system and method, and the method comprises the steps: recording the information of maintenance personnel, and generating a personnelform corresponding to each execution element of maintenance air purification equipment; obtaining operation parameters of each execution element of the air purification equipment in a plurality of areas, and when the operation parameters reach a preset threshold value, reading execution element information corresponding to the operation parameters reaching the preset threshold value; and prompting maintenance personnel corresponding to the executive component in the personnel form according to the executive component information, canceling the prompt after any one of the maintenance personnelconfirms, and generating a form for confirming the maintenance personnel. Due to the fact that corresponding maintenance personnel carry out confirmation by themselves when maintenance is needed, thephenomenon that maintenance tasks of the maintenance personnel are distributed unevenly is reduced, and distribution of the maintenance personnel is more reasonable.

A gaming system of the present invention comprises a plurality of gaming machines and a control device including a processor, wherein the processor is programmed to execute processing of (A) cumulatively counting a part of a number of betted game media as a cumulative value based on number-of-game-media information received from the gaming machine, and (E) paying out a fixed number of game media to the gaming machine determined based on a extracted random number, when a number of the gaming machines joining the game is less than a specific number.

A system and method for uniformly distributing fluids (e.g., washing and in-service) through a filter bed of a filter. The system and method of the present invention can be used with any type of filter that uses media to remove impurities from a fluid. The filter bed can include one or more layers of media. The media can be natural (e.g., sand, gravel, anthracite, etc.) or can be fabricated (e.g., plastic). The filter media can be supported by one or more layers of gravel. Alternatively, the filter media can be supported by a porous plate or other support designed to replace the gravel layers. The present invention includes a system having one or more distribution members configured to uniformly distribute a fluid through a filter bed of a filter. Preferably, the one or more distribution members can be readily installed by relatively unskilled labor in both existing filters and new filters. In a preferred embodiment, the one or more distribution members are configured to extend into at least a portion of an underdrain from above the underdrain. In retrofit applications, the preferred design of the one or more distribution members is such that no significant alteration of the distribution chamber, underdrain or fluid velocity is necessary.