333results 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.

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 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 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.

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 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 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 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.