335results about How to "Full delivery" patented technology

The invention belongs to the field of continuous casting production, and particularly relates to a method for continuous casting billet two-stage continuous and dynamic heavy downward pressing. The method for the c two-stage continuous and dynamic heavy downward pressing is provided for the characteristics of a bloom caster and a wide and thick plate continuous casting machine. A specific process parameter design method of heavy downward pressing process implementation is given and includes downward pressing interval section and division and downward pressing amount design. The casting billet segregation defect is overcome in the first stage of downward pressing, the looseness defect of casting billets is overcome in the second stage of continuous downward pressing, and therefore the synchronous improvement of casting billet segregation and looseness is achieved.

The invention belongs to the technical field of chemical processes and equipment, and relates to a device for preparing chlorinated polyvinyl chloride by a gas-solid phase method and a method thereof. The chlorinated polyvinyl chloride is prepared from polyvinyl chloride (PVC) and chlorine gas serving as raw materials in a dry state. The device comprises a riser reactor, a turbulent fluidized bed reactor, an upper connecting pipe and a lower connecting pipe, wherein the synthesis of the chlorinated polyvinyl chloride is performed in the riser reactor and the turbulent fluidized bed reactor; a chain initiation process is realized and chain transfer is finished by activating the chlorine gas with ultraviolet light, so that the whole process is decoupled into a quick process and a slow process, the chlorination of the materials is uniform, bonding and discoloration can be effectively prevented, the energy consumption is reduced and the operation is simplified; the device has the advantages of compact structure, high practicability and obvious improvement on the efficiency; hydrogen chloride separated from reaction tail gas can be recycled; and the whole process has no waste discharge.

The invention discloses a transmit method for switching a command, which is applied in a long-term evolutionary system, and the method comprises that: a source base station transmits a first switching message to a terminal, and the first switching message refers to a target base station message with a variation period larger than a preset value; when affirming the terminal needing to initiate switching, the source base station transmits a switching command to the target base station; and the source base station receives switching response returned by the target base station and transmits a second switching message to the terminal according to the switching response of the target base station, and the second switching message refers to the target base station message with a variation period smaller than the preset value. The embodiment of the invention also provides a base station. By adopting the technical proposal of the embodiment of the invention, the contents of the first switching message and the second switching message are made clear, and the method for sending the switching message by two steps in an LTE system is led to become an operable technical proposal, thus perfecting the method, and guaranteeing the switching message to be timely, reliably and completely transmitted to the terminal.

The invention discloses a stirring conveying device for polystyrene granule foaming cement composite material, which comprises a pedestal, a cement bunker, a polystyrene granule bunker, material conveying units, a foaming machine, a stirring conveyor, a slurry storage tank and an underflow pump, wherein the cement bunker and the polystyrene granule bunker are mounted on the pedestal, the lower part of the cement bunker is equipped with a first material conveying unit and the lower part of the polystyrene granule bunker is equipped with a second material conveying unit, the pedestal is provided with the foaming machine and the stirring conveyor, the first material conveying unit, the second material conveying unit and the foaming machine are all connected with the stirring conveyor, a pedestal at a side of the stirring conveyor is equipped with the slurry storage tank, with which a discharging port of the stirring conveyor is connected and an outlet of which is connected with the underflow pump arranged at the lower part of the slurry storage tank.

The invention provides a method for refining sec-butyl acetate coarse products through dual-reflux and a preparation method of sec-butyl acetate comprising the refining process. The refining method of the sec-butyl acetate coarse products comprises (1) enabling the sec-butyl acetate coarse products to feed in a rectifying tower through a first feed port, enabling the water to feed in the rectifying tower through a second feed port in a water vapor mode, conducting azeotropy rectification under operation conditions of the azeotropy rectification, and obtaining mixture mainly containing water and impurities from a tower top; and (2) cooling the mixture, conducting oil-water separation to obtain the water phase and the oil phase, enabling reflux maters at least containing partial oil phase to flow back the rectifying tower, enabling at least partial water phase to form the water vapor and returning the water vapor to return and add in the rectifying tower from a third feed port. The second feed port and the third feed port are same or different, and both located at the position of 1-10 tower boards or theoretical tower boards below the first feed port. The method can be used for preparing the sec-butyl acetate with high purity.

Disclosed are an automobile front anti-collision beam structure and application thereof to automobiles. The automobile front anti-collision beam structure is composed of a main beam, an inner plate and an energy absorbing device, wherein the inner plate is fixedly connected to the main beam; the energy absorbing device is fixedly connected to the inner plate and at least composed of a bottom plate, a first conical tube, a second conical tube and a third conical tube; the bottom ends of the first conical tube, the second conical tube and the third conical tube are fixedly mounted onto the bottom plate, and the first conical tube, the second conical tube and the third conical tube are gradually nested from inside to outside; the heights of the three conical tubes are gradually reduced from inside to outside, the diameters of the bottom ends of the three conical tubes are gradually increased from inside to outside, the thicknesses of the three conical tubes are gradually increased from inside to outside, and the tapers of the three conical tubes are gradually increased from inside to outside. According to the automobile front anti-collision beam, when collision deformation occurs, crumple of a single stage gradually develops into simultaneous crumple of two stages and then into simultaneous crumple of three stages, plastic deformation can be gradually increased, a regular and stable deformation mode and significant buffer effects can be achieved, and energy absorption can be gradually increased. Therefore, the automobile front anti-collision beam can enhance structural stability and crashworthiness and meanwhile improve the collision angle adaptability.

The present invention is directed to a method and use of RNA interference (RNAi) for the transient, reversible and controlled opening of the tight junctions of the blood brain barrier and / or the blood retinal barrier. This method may be used in the treatment of many diseases and disorders which require the opening of the blood brain barrier and / or blood retinal barrier. Such methods generally involve the use of an RNAi-inducing agent, such as siRNA, miRNA, shRNA or an RNAi-inducing vector whose presence within a cell results in production of an siRNA or shRNA, targeting tight junction proteins to open the blood brain barrier and / or blood retinal barrier.

The invention, within the technical field of application of a battery management system of an electric automobile, in particular relates to a battery management system loop interlock and slave addresssetting method. The setting method comprises an upper computer, a main control unit and a slave unit. The main control unit and the slave unit are provided with at least one path of PWM signal inputcircuit and one path of PWM signal output circuit. And the main control unit PWM signal input / output interface is sequentially connected with the slave unit PWM signal input and output interface to form a battery management system interlocking loop. According to the battery management system loop interlocking requirement, a battery management system loop interlocking interface and a CAN communication network are fully utilized to realize the slave address setting of the battery management system. On the one hand, the method improves the security of the battery management system; on the other hand, through the CAN interface, all the slave address settings in the battery management system are completed at one time, and the slave address is not required to be unpacked one by one with the advantage of high efficiency and low error rate for address setting method.

The invention discloses a microwave heating device and method, relates to the technical field of thermal processing and solves the technical problem that non-microwave absorption materials cannot be rapidly heated through microwaves. According to the main technical scheme, the microwave heating device comprises an outer casing, a heat conductive container and a microwave absorption structure; the outer casing is made of wave-transmitting materials; the heat conductive container is arranged inside the outer casing; the heat conductive container is used for holding heated materials; the microwave absorption structure which is arranged inside the outer casing is in contact with the heat conductive container; the microwave absorption structure absorbs microwaves of the outer casing, rapidly generates heat to heat the heated materials inside the heat conductive container. The microwave heating device and method is mainly used for achieving a purpose of rapidly heating non-microwave absorption materials through the microwaves.

The invention discloses a thermal wind speed sensor encapsulated based on a carbon nanotube array, comprising a silicon substrate, four temperature measurers, a heating element, a copper film layer, a carbon nanotube layer, a nickel film layer and a thermal insulating medium layer. The top surface of the silicon substrate is connected with the bottom surface of the copper film layer, the top surface of the copper film layer is connected with the bottom surface of the carbon nanotube layer, and the top surface of the carbon nanotube layer is connected with the bottom surface of the nickel film layer; the heating element and the four temperature measurers are embedded on the bottom surface of the silicon substrate respectively, the four temperature measurers are uniformly distributed at the periphery of the heating element, and an annular thermal isolation groove is arranged between the heating element and the temperature measurers, and the distance from the top surface of the thermal isolation groove to the top surface of the silicon substrate is smaller than 50 nanometers; and the thermal insulating medium layer is covered on the outer surface of the silicon substrate, the carbon nanotube layer is formed by carbon nanotubes which are arranged in arrays, and each carbon nanotube is vertically arranged. The thermal wind speed sensor of the structure can reduce the influence of the transverse heat conduction of the silicon substrate, and the flexibility of the sensor is improved.

The invention discloses an RGB-D camera and stereophonic sound-based passage prediction system and method for visually impaired people. The method comprises the steps of projecting invisible near-infrared static speckles by utilizing an infrared projector; collecting an image by utilizing two infrared cameras and an RGB color camera; processing the collected image by a small processor; and performing calculation to obtain a depth image. According to the method, attitude angle information of the cameras is obtained by utilizing an attitude angle sensor; the small processor performs calculation by utilizing depth information and the attitude angle information to obtain a height image; the height image is subjected to block segmentation; the depth information obtained by the block segmentation is converted into a stereophonic sound signal; and finally the stereophonic sound signal is transmitted to the visually impaired people for performing assistance by utilizing bone conduction earphones, so that the passage prediction requirements of the visually impaired people can be well met.

The invention discloses visually impaired people passage prediction glasses based on an RGB-D camera and stereophonic sound. An infrared projector can project invisible near-infrared static speckles, images are captured through two infrared cameras and an RGB color camera, a small processor processes the acquired images and calculates to obtain depth images, an attitude angle sensor acquires camera attitude angle information, the small processor uses the depth information and the attitude angle information to compute the height image and divides the height image into pieces, the divided depth information is transformed into a stereophonic sound and finally a bone conduction headphone transmits the stereophonic sound to visually impaired people for assistance. The visually impaired people passage prediction glasses can well meet the prediction requirements on visually impaired people passage.

The invention relates to a compound type compact heat exchanger core which comprises end plates, gas heat exchange units and liquid heat exchange units. The gas heat exchange units and the liquid heatexchange units are alternately stacked between the end plates. Flow channel of the liquid heat exchange units are larger than heat exchange channels of the gas heat exchange unit. The compound type compact heat exchanger core has the following beneficial effects that through the arrangement mode that the gas heat exchange units and the liquid heat exchange units are alternately stacked, the flowarea of the channels on one side is increased, so that the blockage problem is avoided when particle impurities exist in a working medium, and the service life of a heat exchanger is prolonged; and meanwhile, the flow resistance of fluid can be reduced, and the heat exchange effect is enhanced. Each gas heat exchange unit can be formed by stacking multiple layers of micro-channel etched plates sothat when a working medium with poor heat transfer performance flows through the channels of the gas heat exchange units, the heat exchange demand of the working medium can be met, heat can be fully transferred; and the size of the core of the heat exchanger can be reduced under the condition of the same heat exchange power, and the heat exchange efficiency is improved.

The invention relates to a virtual target operation method and device. The method comprises the following steps: collecting a live-action image; using the live-action image as a background image of an interactive interface; detecting a human face image in the live-action image; according to the detected human face image, generating the virtual target using as a foreground image of the interactive interface; obtaining an operation command in allusion to the virtual target; and according to the operation command, executing a predefined operation to the virtual target. The provided virtual target operation method and device are capable of combining the virtual scene and the real scene, realizing the interactive effect between the virtual scene and the real scene through the interactive interface. The transmitted information content not only comprises the information content transmitted by the virtual scene, but also comprises the information content transmitted by the real scene, so that the more abundant information content can be transmitted.

The invention discloses a compound taking fluorene as a core, and a preparation method and an application thereof, and belongs to the technical field of semiconductors. The compound provided by the invention has the structure represented by a general formula (I). The invention also discloses the preparation method and the application of the compound taking fluorene as the core. The compound provided by the invention contains fluorene derivatives and six-membered ring derivative structures, has relatively high glass transition temperature and molecular thermal stability, proper HOMO and LUMO energy levels and relatively high Eg, and can effectively improve the photoelectric property of an OLED device and prolong the service life of the OLED device through device structure optimization.

A developing device capable of facilitating toner delivery upward. The cartridge includes a developing roller, a toner supply roller disposed therebelow, a toner container disposed below the toner supply roller and defining an internal space for accommodating the toner. The container has an upper portion formed with an elongated opening having an upper edge and a lower edge. A conveying member isrotatably disposed in the internal space and in rotational contact with an inner surface of the container for delivering the developing agent upward. The developing agent container including a first wall portion for receiving thereon the developing agent passed through the opening. The first wall portion extends from the lower edge in a downstream direction with respect to a rotational direction of the conveying member toward a position close to a bottommost portion of the toner supply roller. The container also includes a second wall portion extending from the upper edge in an upstream direction with respect to the rotational direction. The conveying member is in simultaneous sliding contact with both the first wall portion and the second wall portion.

This inventioin discloses a method for configuring physical resources of high speed down packet access process of a multiple frequency point area including: when a multi-frequency point area needs to support the HSDPA function, a controller of CRNC transmits the channel resource information used by HSDPA and corresponding frequency point information to the base station, which sets up the HSDPA in the area to use the relative physical channel, when the base station receives request for setting up radio links sent by CRNC or the information for preparing the re-configuration or the re-configuration request information, it sets down shared channel resource on the used points by HSDPA, then the base station transmits the channel resource information and the corresponding frequency point information to the CRNC.

The invention relates to a sea dredged silt dewatering and solidifying treatment integrated device and method.Dredged silt is sucked onto a dredger, the dredged silt is conveyed into a silt-water separating device after the dredger arrives at a sea treatment platform, centrifugal dewatering is carried out on the dredged silt through the silt-water separating device, tail water generated after dewatering is conveyed to a tail water treatment device to be treated, concentrated silt is conveyed to a solidifying device, a solidifying material in a solidifying material tank is conveyed to the solidifying device together with the concentrated silt, the concentrated silt and the solidifying material are fully stirred to obtain solidified soil, and the solidified soil is transported to a reclamation area through a silt transporting boat for reclamation.The sea dredged silt dewatering and solidifying treatment integrated device and method are good in dewatering and solidifying effect, high in dredged silt treatment efficiency, low in dredged silt treatment cost and high in automation degree; besides, the silt does not fall to the ground, no stock dump is needed and no secondary pollution is caused in the whole working process, the treated dredged silt reaches the standard and can be directly applied to engineering backfill, no secondary argillization happens, and disposal and efficient reutilization of the dredged silt are effectively achieved.

A downlink level shifting circuit includes a high side input network, a common gate voltage-withstanding structure and a low side latch circuit; the high side input network consists of two parallel PMOS devices of a common source structure, and transmits an input signal to the common gate voltage-withstanding structure; the common gate voltage-withstanding circuit includes a pair of common gate PMOS transistors, a pair of common gate NMOS transistors and two clamp diodes; and the low side latch circuit includes two pairs of NMOS transistors used as linear resistors and a latch structure formedby a pair of cross-coupled NMOS devices, and enables a high-side signal to be transmitted to a low-voltage region when a high-side voltage difference is very small.

The invention discloses a rare-earth permanent magnet coreless generating set, which comprises a frame, an engine, a generator, an inverter and an output power box. The generator comprises a generator seat plate, a generator shell, a stator, a first magnetic blocking plate, a second magnetic blocking plate and a plurality of rare-earth permanent magnets, wherein the generator seat plate is fixed on the engine; the generator shell is fixed on the generator seat plate; the stator is fixed on the generator shell and comprises a disc winding and a fixed shell which covers the disc winding and is made of a high polymer; the first magnetic blocking plate is fixed on an output shaft through a flat key, is positioned between the stator and the generator seat plate and defines an air suction chamber and an air exhaust chamber; a first air guide port which is connected with the air suction chamber and an air exhaust chamber is formed at a position of the first magnetic blocking plate close to the output shaft; the second magnetic blocking plate is fixed on the output shaft through a flat key and is positioned on one side of the stator away from the first magnetic blocking plate; and the plurality of rare-earth permanent magnets are fixed on the first magnetic blocking plate and the second magnetic blocking plate through permanent magnet pressing blocks and correspond to the stator. The rare-earth permanent magnet coreless generating set has lower thermal efficiency and high electric energy output efficiency.

The invention relates to the technical field of information processing, and discloses an information mining and transmitting method using image sequences as a trunk, a social networking service device and a social networking service system. The method comprises the following steps of managing at least one picture to prepare for sequence operation of a user; managing sequences according to the sequence operation of the user; issuing or updating a sequence by using the pictures; notifying the user which pays attention to the sequence; and performing social activities according to the sequence and / or the pictures after the user receives the notification. By the technical scheme, specific interest points can be expressed by creating the picture sequences, the method for comprehensively and accurately transmitting and acquiring information of pictures according to user interest is established, and the image sequences serve as the trunk to perform multi-angle information mining and transmitting on the pictures in three stages, so that social contact based on different interest points of the pictures is realized.

The invention provides a refrigerator and a liner. The liner comprises a body, a flange, and a protrusion. The body is provided with an opening. The flange is arranged at the edge of the opening and extends out. The edge of the flange is provided with a groove used for containing a dew-proof tube. The protrusion is arranged in the groove and located at the bottom of the groove to reduce the distance between the dew-proof tube and a side plate or middle beam of the refrigerator. The protrusion is arranged in the groove containing the dew-proof tube so as to reduce the distance between the dew-proof tube and the side plate or middle beam of the refrigerator, heat of the dew-proof tube can be transmitted to the side plate or middle of the refrigerator fully, and accordingly dew at the side plate or middle beam of the refrigerator is prevented. In addition, the liner of the refrigerator is simple in structure and low in manufacturing cost.

The invention discloses a set top box and a method of playing a frame in a channel switching process of the set top box. The method comprises the steps that the set top box transmits a request of acquiring a playing strategy to a channel frame management server, and receives the playing strategy of the channel frame returned by the channel frame management server; the playing strategy comprises an association between the channel and the channel frame; and after receiving an instruction of switching the channel, the set top box controls a display to play the channel frame associated with the channel to be switched in the channel switching process according to the playing strategy. As the frame played in the channel switching process is associated with the channel to be switched and the channel frame associated with the channel to be switched to in the channel switching process is played, the purpose that more abundant and effective information is transmitted in the channel switching process can be achieved, and information transmitting resources of a television can be fully used.

The invention provides a reed stem cellulose nano-fiber and a preparation method thereof, belonging to the technical field of nano-materials. According to the preparation method for the reed stem cellulose nano-fiber, reed stems are used as a raw material, hydrolysis pretreatment, alkaline liquor treatment, bleaching treatment, TEMPO oxidation treatment and microjet nanometer homogenization are successively carried out so as to obtain the reed stem cellulose nano-fiber. The preparation method is simple in production process and easy to implement and can well improve the comprehensive utilization value of reeds. The reed stem cellulose nano-fiber prepared in the invention has the advantages of a high length-diameter ratio, a large specific surface area, high young modulus, high reaction activity, good mechanical properties, biodegradability and easiness in compounding, and is extensively applicable to fields like optics, electricity and biomedicine.

The invention discloses a centralized pneumatic type fertilizer ejecting device for granular fertilizer. The centralized pneumatic type fertilizer ejecting device comprises an air pump system, a fertilizer ejecting rack, a spiral mechanical quantitative fertilizer supply device, a fertilizer box, a motor transmission system, a control system, a 12V lithium battery, a transverse fertilizer ejectingand distributing device and a coupler. The centralized pneumatic type fertilizer ejecting device has the advantages that a fertilizer ejecting mode that spiral mechanical quantitative fertilizer supply and transverse air flow are distributed into six rows is adopted, the rotating speed of the spiral mechanical quantitative fertilizer supply device is adjusted by adopting the motor transmission system, the control system and the lithium battery, and therefore the fertilizer ejecting amount can be adjusted; the transverse fertilizer ejecting and distributing device can realize full mixing, conveying and uniform distributing of the air flow and the granular fertilizer by adopting the Venturi principle; and the centralized pneumatic type fertilizer ejecting device for the granular fertilizercan serve as an independent fertilizer ejecting device or a fertilizer ejecting part of a seeding machine in the fertilization process of multiple crops such as oilseed rape, rice and corn, and therefore comprehensive utilization can be realized so as to lower the application cost, the device utilization rate can be increased, and the working efficiency can be improved.

The invention discloses a multifunctional modified phenylate diphosphine oxygen compound and a preparation method and application thereof, and relates to a multifunctional compound and a preparation method and application thereof. By the multifunctional modified phenylate diphosphine oxygen compound, the problem of high starting voltage of devices caused by incapability of keeping high triplet-state energy level and high injection / transmission capacity of carriers simultaneously is solved. The multifunctional modified phenylate diphosphine oxygen compound is a derivative of a compound of which the chemical name is 4,6-bis(diphenyl phosphinyloxy) phenylate; and a structural formula is shown as the specification. The preparation method comprises the following steps of: 1, preparing a 4,6-bis(diphenyl phosphinyloxy) phenylate bromo product; and 2, preparing the multifunctional modified phenylate diphosphine oxygen compound. The multifunctional modified phenylate diphosphine oxygen compound is applied to the production of organic electroluminescent devices, and is used for high-efficiency portable display terminals and lighting equipment.

The invention relates to an energy-saving and environment-friendly digital detonator hydraulic blasting charging structure for tunnels. The structure comprises a peripheral hole, an auxiliary hole anda cutting hole, wherein the peripheral hole is formed in the outermost ring of the surrounding rock of a tunnel face, the auxiliary hole and the cutting hole are formed in the inner ring. A discontinuous peripheral hole charging structure is arranged in a blast hole of the peripheral hole, the peripheral hole charging structure comprises a first bottom explosive roll, a first water bag, a first reinforcing explosive roll, a second water bag, a second reinforcing explosive roll, a third water bag, an energy-saving explosive roll, a fourth water bag and first sealing gun mud which are arrangedat the bottom of the blast hole of the peripheral hole; a first detonating cord is arranged in the first bottom explosive roll, the first detonating cord sequentially penetrates through the first reinforcing explosive roll, the second reinforcing explosive roll, the energy-saving explosive roll and the first sealing gun mud, and a first digital electronic detonator with a detonating tube is arranged at one end outside the blast hole of the peripheral hole; and both the auxiliary hole and the cutting hole adopt a traditional charging structure of sequentially conducting continuous charging, additional arranging of a fifth water bag and sealing through second sealing gun mud. The charging structure is safe, reliable, energy-saving, environment-friendly, simple and easy to operate, and is suitable for initial excavation work of rock tunnel III and IV surrounding rocks.

The invention relates to the field of environment protection and in particular relates to water pollution treatment equipment for a river channel. The water pollution treatment equipment comprises a collection mechanism, a lifting mechanism, a waste material collection mechanism, a purification mechanism, a medicine feeding mechanism, a floating ring, a driving mechanism, a movement mechanism anda remote controller; the collection mechanism for collecting solid wastes is communicated with the lifting mechanism for lifting the solid wastes and the waste material collection mechanism is used for conveniently collecting the solid wastes; the purification mechanism is used for purifying a water body; the medicine feeding mechanism is for feeding a purification medicament and the driving mechanism is used for driving the floating ring to move; the movement mechanism is convenient for a whole body to move; the remote controller is used for controlling the whole body to be propelled in the water. According to the water pollution treatment equipment provided by the invention, manpower is saved and the utilization is convenient; meanwhile, an operator does not need to enter the water and the safety performance is high; the collection of the solid wastes on the surface of the water body is effectively finished and filtering and purification of the water body are finished; when a purification device moves, a medicament outlet is exposed in a blade rotating manner, so that a medicament flows out to realize the feeding of the medicament and the feeding is uniform and comprehensive.

The invention relates to a method for preparing industrial grade monoammonium phosphate by using raffinate acid through twice neutralizational process. The method comprises the steps of a. mixing the raffinate acid and water at a mass ratio to dilute raffinate acid; b. feeding the diluted raffinate acid into a first reactor, introducing ammonia into the first reactor, carrying out neutralization reaction for the first time, and fully curing; c. filtering the cured slurry, feeding the obtained filtrate into a second reactor, introducing ammonia into the second reactor, carrying out neutralization reaction for the second time, and curing again; d. filtering the cured slurry again, concentrating the filtrate, controlling the concentration ratio, and carrying out cooling crystallization to obtain crystal mush; e. carrying out liquid-solid separation on the crystal mush, and drying the obtained crystal to obtain the industrial grade monoammonium phosphate. The method has the beneficial effects that since the raffinate acid is diluted by water, the viscosity and the impurity concentration of the raffinate acid can be reduced, the raffinate acid can be easily conveyed, and the ammonia neutralization reaction can be favorably carried out. The ammonia neutralization is carried out twice, so that most metal cation impurities can be effectively removed under the proper pH value.