26results about How to "Guaranteed rate" patented technology

The present invention belongs to the field of data security technology. In order to solve the problem of low transmission security existing in the prior art, a data security interaction method, device, electronic device and program product based on privacy computing are disclosed. The present invention generates different encryption keys for each data block in a data to be transmitted. In this way, encryption processing using different encryption keys can improve the security of encryption. At the same time, when generating the encryption key of any data block, the previous data block of any data block is introduced. Based on this, the encryption key of the current data block to be transmitted can be associated with the last interaction data, so that in order to decrypt and obtain the complete data, all data blocks need to be intercepted, and once any data block is tampered with, the complete transmission data cannot be obtained. Therefore, the data transmission security is further improved. Therefore, the present invention is very suitable for large-scale promotion and application in the field of data security technology.

The utility model belongs to the technical field of welding wire pressing plates, and particularly discloses a packaging laser welding pressing plate which comprises a pressing plate body, a containing groove is formed in the pressing plate body, and an adjusting structure used for adjusting according to the size of a circuit board is installed in the containing groove. And a heat dissipation structure is installed at the position, on one side of the fixing frame, in the containing groove, the heat dissipation structure comprises gears, every two gears are connected in a meshed mode, a rotating rod is fixedly connected to the inner wall of each gear in a sleeving mode, and a fan is coaxially connected to one end of each rotating rod. The servo motor drives the gears in pairwise meshed connection to rotate, so that the rotating rods coaxially connected with the inner walls of the gears rotate, a fan is convenient to use and is matched with a ventilation opening to cool in the process of welding a circuit board when a laser is packaged, and the welding quality and speed of the circuit board are ensured.

The invention relates to the technical field of cement production, and provides a cement production line recycling system which comprises a circulation gas conveying pipeline, a combustion conveying pipeline, an oxygen conveying pipeline and a methanol mixing pipeline which are connected through pipelines, and the combustion conveying pipeline and the methanol mixing pipeline both communicate with the circulation gas conveying pipeline; the circulating gas conveying pipeline is sequentially connected with a clinker sintering system, a first heat exchanger, a first SCR (Selective Catalytic Reduction) device, a booster fan, a dust collector, a circulating fan and a water removal device; the clinker sintering system is provided with a feeding end, a combustion end and an exhaust end, and carbon dioxide generated by sintering cement clinker is mixed into circulating gas; the circulating gas is conveyed to the water removal device from the exhaust end in sequence, and meanwhile, after the water removal device removes water from the circulating gas, the circulating gas is conveyed back to the clinker sintering system to form cyclic utilization of the circulating gas. The method has the effect of recycling resources. In addition, the invention further provides a cement production line recycling method.

The utility model discloses a kind of wire feeding devices for motor stator winding, including pay-off device, the outer wall of the top side of pay-off device is slidably connected with locking slide block device, the pay-off device side is provided with wire feeding device, the bottom of wire feeding device is provided with support frame structure, the outer wall of support frame structure top side is fixedly connected with wire feeding plate, the outer wall of wire feeding plate side is provided with laser detection device, the outer wall of wire feeding plate side is provided with signal receiving plate, the outer wall of wire feeding plate side is provided with direction-adjusting pulley, the outer wall of wire feeding plate side is provided with tension detection device. The utility model can effectively fix coil in central position, can rotate copper wire stably, effectively prevent copper wire excessive rotation, copper wire is placed and conveniently taken down, equipment structure is simple and efficient, bearing capacity is strong, applicable to different thick and thin wire diameter copper wire material, can adjust the tension of copper wire, guarantee the direction of copper wire outlet, can detect the presence or absence of copper wire, can guarantee copper wire output tension size.

The invention provides a primary acetylene gas production process, and relates to the technical field of acetylene gas production processes, and the primary acetylene gas production process comprises the following steps: firstly, carrying out on-line screening on a crushed raw material calcium carbide in a specially-made feeding bin, and executing at least three times of'vacuumizing-inert gas filling 'pressure pulse cycles, deeply removing air and moisture adsorbed in pores of the calcium carbide particles; then putting the purified calcium carbide into an acetylene generator provided with a temperature control jacket, and carrying out hydrolysis reaction in a low-temperature interval of 40-65 DEG C; in the reaction process, multi-stage rake teeth of a mechanical stirrer are used for providing strong shearing force to peel off a passivation layer on the surface of calcium carbide, and meanwhile, an external circulating spraying system is matched for eliminating the temperature gradient and local overheating in the reaction kettle. And side reactions such as acetylene polymerization, cracking and oxidation are obviously inhibited.

The utility model relates to a blowing system for blowing solid oxide and oxygen, which comprises a stock bin and a screw feeder connected with a discharge port of the stock bin, an oxygen lance comprises a lance body, the lance body comprises an outer pipe and an inner pipe positioned in the outer pipe, the inner pipe is connected with an oxygen pipe, an annular cavity is formed between the outer pipe and the inner pipe, and the outer pipe is connected with the oxygen pipe. And the conveying pipeline is also connected with an air supply pipe for supplying air to the annular cavity and driving the solid oxide to the oxygen lance. When the solid oxide conveying device is used, solid oxide in the stock bin is conveyed through the screw feeder, the conveying amount of the solid oxide is adjusted by adjusting the conveying speed of the screw feeder, then gas in the gas conveying pipe enters the conveying pipeline, the solid oxide is conveyed into the annular cavity, oxygen is conveyed into the inner pipe through the oxygen pipe, and the solid oxide is conveyed into the inner pipe through the oxygen pipe. The oxygen and the solid oxide are injected into the molten iron, and the solid oxide is quantitatively conveyed through the screw feeder, so that a complete oxygen and solid oxide feeding system is formed.

The invention belongs to the technical field of communication, and particularly relates to an end-to-end communication system with a variable rate mechanism. According to the invention, the transmission rate mode supported by the existing E2E system is expanded, and effective utilization of channel resources by the E2E system can be realized: firstly, through reasonable network structure division and expansion, the E2E system can work in multiple rate modes; secondly, a variable rate network training mechanism is adopted, so that the E2E system can achieve the performance close to the optimal performance in various rate modes through less parameter training; and finally, the trained network is matched with a signal-to-noise ratio estimation technology, so that the E2E system can evaluate the surrounding environment state and carry out rate adjustment, and the rate self-adaption of the network aiming at the environment condition is realized, so that certain BER performance is kept, and meanwhile, communication is carried out with the efficiency as high as possible.

The utility model relates to the technical field of fabric toy processing, in particular to a cotton filling machine for fabric toy processing, which comprises a cotton filling machine body, two cushion blocks are symmetrically and fixedly connected to the lower end of the cotton filling machine body, a feeding pipe is arranged at the upper end of the cotton filling machine body, a cotton outlet is arranged on the right wall of the cotton filling machine body, and a cotton outlet is arranged on the right wall of the cotton filling machine body. The cotton filling machine further comprises an adjusting assembly arranged at the right end of the cotton filling machine body. The stepping motor is installed at the right end of the cotton filling machine body, drives the rotating disc to rotate and controls the through holes in different positions to be communicated with the cotton outlet, when the large stuffed toy is filled with cotton, the stepping motor rotates to drive the rotating disc to rotate, and the cotton filling nozzle with the large outlet diameter is rotated to the position under the cotton filling machine body to be communicated with the cotton outlet. When the small stuffed toys are filled with cotton, the principle is the same as the above, the cotton filling nozzle with the small outlet diameter is rotated to the position under the cotton filling nozzle to be communicated with the cotton outlet, filler is not prone to overflowing and falling, and use is convenient.

The invention discloses a novel lithium iron phosphate roasting device, and particularly relates to the technical field of battery positive electrode materials, the device comprises a lithium iron phosphate kiln, a stock bin and a heat exchanger, the inner part of the inner kiln is provided with a material lifting mechanism for improving the material heating time and speed; one end of the lithium iron phosphate kiln is provided with a piston material pushing device which enables materials to be conveyed in an integral pushing mode, through the design of the material lifting mechanism and the intermittent material lifting plates in the inner kiln, it is guaranteed that the materials move forwards in a spiral pulsation mode, and meanwhile the material contact area is increased; the staying time of materials in the kiln can be prolonged, the heating time and the heating speed of the materials are guaranteed, the structural stability of the high-temperature barrel kiln body and the movement mixing of the materials can be enhanced through the spiral belt type intermittent guide plates, the heat transfer efficiency is effectively improved, meanwhile, in the flowing process of gas in the barrel, the air speed of the wall face of the barrel is reduced, and raised dust is greatly reduced; and the probability that the material which is not fully heated escapes in a flying dust form is reduced.

The invention provides a preparation method of a polycrystalline diamond grinding fluid for a silicon carbide substrate DMP. The polycrystalline diamond grinding fluid comprises the following components: pretreated polycrystalline diamond particles, an alcohol-based system, a polymeric dispersant, a stabilizer, a lubricant, a pH regulator, an antibacterial agent, a microemulsion forming agent and deionized water. The development of the grinding fluid is different from the traditional grinding of a copper disc matched with a polycrystalline grinding material, the polycrystalline matched with a polyurethane grinding pad has better surface effect and grinding rate, the surface roughness Ra can reach 1-2nm, the submerging rate can reach 0.15-0.25 mu m / min, and a surface damage layer is relatively small; an alcohol-based system is adopted in the system and comprises but is not limited to one or a mixed solution of more of ethylene glycol, glycerol, ethanol and triethylene glycol; and the polymeric dispersant suitable for an alcohol system is added, so that the dispersity of the particles is ensured while the speed is ensured, and scratches caused by soft agglomeration among the particles are avoided.

The utility model provides an epoxy filling and sealing system which comprises a vacuum tank, a vacuum device and a tank cover opening and closing device, the vacuum tank comprises a tank body and a tank cover, and the tank cover opening and closing device is connected with the tank cover so as to drive the tank cover to cover the tank body or drive the tank cover to be separated from the tank body; the vacuum device is arranged on the tank body and is communicated with the internal space of the tank body so as to extract gas in the tank body; the vacuum device at least comprises a first vacuum pump and a second vacuum pump, the first vacuum pump is used for continuously operating under a vacuumizing working condition, and the second vacuum pump is used for starting under the condition that the air pressure value in the tank body is lower than a preset pressure intensity value. The epoxy potting system can ensure a good sealing effect between the tank cover and the tank body. By arranging the first vacuum pump and the second vacuum pump, the vacuumizing speed can be guaranteed, vacuumizing operation can be carried out progressively, the vacuumizing speed is increased, and the service life of the two vacuum pumps can be effectively prolonged.

The invention relates to an extensible semi-physical simulation platform for a large remote sensing satellite, and the platform is characterized in that a time reference module is used for providing a unified time reference to drive the simulation platform and an on-satellite equivalent service simulator, and achieves the time alignment of the on-satellite equivalent service simulator; the comprehensive expansion and interface unit module is used for providing CAN (Controller Area Network) and SpaceWire bus interface board cards; the simulation main control unit sends a remote control instruction to the CAN bus interface board card, the CAN bus interface board card sends the remote control instruction to the on-satellite equivalent service simulator through instruction format conversion, and the on-satellite equivalent service simulator sends telemetry information to the simulation main control unit through the CAN bus interface board card after receiving the instruction; and receiving the on-satellite equivalent service simulator service data transmitted by the SpaceWire bus board card, and realizing state monitoring and service data precision analysis of the on-satellite equivalent service simulator. The ground simulation task closed-loop test and on-orbit task deduction of the remote sensing satellite are completed, various on-satellite problems are found and solved in advance, and the development efficiency of the whole satellite is effectively improved.

The utility model provides a probe, a probe module and a conductive matching structure. The probe comprises an elastic part which can elastically deform in the use direction of the probe and two support arms which are arranged at two ends of the elastic part and extend along the use direction of the probe. The probe is integrally formed by cutting a sheet; the end part, far away from the elastic part, of at least one of the two support arms comprises a contact part which is contracted inwards in the radial direction, and a step surface is formed between the side wall of the contact part and the side wall of the support arm. The probe can realize stable contact and conduction with a product, avoids poor contact, and ensures the transmission rate and quality of a test signal.

The present invention relates to the technical field of olefin polymerization, and discloses a method for preparing poly-1-butene, which comprises: in the presence of a catalyst system, polymerizing 1-butene and an optional comonomer in a C2-C4 inert solvent to obtain a polymer-containing solution, collecting the gas volatilized during the polymerization process for condensation to obtain a condensate and a non-condensable gas, the condensate is returned to the polymerization step, and optionally, the non-condensable gas is returned to the polymerization step after compression and supercharging. The method of the present invention can not only achieve a high catalyst yield, but also obtain a poly-1-butene product with excellent performance; at the same time, the production capacity of the reactor can be greatly improved, and the volatile component content (VOC) content in the final product does not exceed 300ppm.

An intelligent scheduling communication terminal disclosed by the present invention comprises a background host installed in a ground machine room and a mother machine installed in a main roadway, the mother machine is in wired connection with the background host, the mother machine is internally provided with an accommodating bin, a plurality of track sub-machines are accommodated in the accommodating bin, and the track sub-machines are in wireless connection with the mother machine. The background host can control each track sub-machine to execute an instruction through the master machine; the track sub-machine comprises a frame provided with a track moving mechanism, a sub-machine controller, an audio communication module, a side-spread detection device and a power supply, the power supply is connected with the sub-machine controller, the track moving mechanism is connected with the sub-machine controller, the sub-machine controller is wirelessly connected with the master machine, and the audio communication module is connected with the sub-machine controller; the problems that an existing underground mining intelligent dispatching communication terminal is unstable in data transmission and high in cost are solved, potential safety hazards are reduced, and the maintenance difficulty is reduced.

The invention discloses pump moistening product transportation equipment for concrete pumping, and relates to the technical field of concrete pumping equipment, the pump moistening product transportation equipment comprises a transportation vehicle, a material storage barrel is fixedly arranged on the transportation vehicle, a stirring rod is rotatably arranged on the material storage barrel, a stirring paddle is fixedly arranged on the stirring rod, and the stirring paddle is rotatably arranged on the material storage barrel. And a power system for driving the stirring rod to rotate is arranged on the storage barrel. According to the pump lubricating mortar stirring device, real-time stirring of the pump lubricating mortar or other pump lubricating products in the transportation process and on a construction site is achieved, so that the uniformity and stability of the pump lubricating mortar or other pump lubricating products are guaranteed, the pump lubricating mortar or other pump lubricating products are prevented from being adsorbed on the barrel wall of the storage barrel, and material waste is reduced.

This utility model provides a waste recycling device for marble cutting production, including a box and a first electric push rod. A screen plate is fixedly connected inside the box, a second guide plate is fixedly connected to the left end of the screen plate, and a first guide plate is fixedly connected to the right end of the screen plate. A through groove is provided on the right side of the box, and the right end of the first guide plate extends to the outside of the through groove. A feed pipe is connected to the upper left end of the box. A first triangular block is installed on the upper right end inside the box, and a second electric push rod is installed on the inclined surface of the first triangular block. An installation plate is installed on the telescopic shaft end of the second electric push rod. Multiple unblocking columns corresponding to the screen holes of the screen plate are fixedly connected below the installation plate. An L-shaped plate is installed on the telescopic shaft end of the first electric push rod, and a first motor is installed on the right side of the vertical end of the L-shaped plate. This utility model has a reasonable structure and good practicality. It not only facilitates the unblocking of the screen holes of the screen plate, ensuring screening quality and speed, and reducing the difficulty of manual unblocking, but also has excellent crushing effect on fragments and convenient discharge.

The invention discloses a reactive voltage optimization control method for an electricity-gas interconnection integrated energy system, belongs to the technical field of power system optimization control, and is used for solving the technical problem that the reactive power optimization method in the prior art neglects the reactive power output characteristics of a new energy unit and a coupling element. According to the invention, after the reactive power output of the new energy unit and the coupling element gas turbine is considered in the electric-gas interconnection integrated energy system IEGS, the system voltage deviation is effectively reduced; it is proved that combined dispatching of the gas turbine and the P2G can improve the absorption capacity of the wind turbine generator of the system, and the economic cost is reduced. According to the method, the reactive voltage optimization model of the electrical-pneumatic interconnected integrated energy system is converted into the mixed integer second-order cone programming model by using the second-order cone relaxation method, so that the solving precision and rate are ensured.

The invention relates to the technical field of metal heat treatment liquid, and discloses oil-water separation type overspeed quenching oil and a preparation method thereof, and the oil-water separation type overspeed quenching oil comprises base oil, polyisobutene, a trapping agent, a coagulation agent, oil-soluble divalent metal organic acid salt and an additive. According to the invention, a synergistic response system composed of a trapping agent, a coagulation agent and an oil-soluble divalent metal organic acid salt is introduced into an oil product. When water invades, the synergistic response system is subjected to chemical processes of hydrolysis, ion bridging and coagulation. According to the technical scheme, the quenching oil has a rapid and thorough self-triggering oil-water separation function, oil product emulsification and performance reduction caused by water pollution are effectively avoided, meanwhile, the system is chemically inert in a water-free state, and the original overspeed cooling performance of the oil product is not affected. The invention further provides a preparation method of the quenching oil, and the preparation method is simple in process and easy to control.

The invention discloses a method for increasing the contents of baicalin and wogonin in a scutellaria baicalensis extract. The method comprises the following steps: (1) preparing a scutellaria baicalensis extracting solution; (2) loading a sample; (3) collecting an eluent; and optionally (4) acid precipitation and purification: preparing the total eluate into a solution with a certain mass concentration, adding acid to adjust the pH value, storing at a proper temperature, standing in a refrigerator, filtering, separating and precipitating, washing the precipitate with water and ethanol until the pH value is neutral, volatilizing the ethanol until no alcohol smell exists, and drying in a drying oven until the weight is constant to obtain the scutellaria baicalensis extract. Wherein the active ingredients comprise baicalin and wogonin. According to the method, purification is carried out successively through macroporous adsorption resin and optional acid precipitation, the content and the yield of wogonin can be guaranteed, meanwhile, the yield and the content of wogonin can be effectively increased, and the method is stable and reliable and can provide thoughts for actual quality improvement and process development.

The utility model belongs to the technical field of air conditioners, and particularly provides an air conditioner indoor unit, a cabinet and an air conditioner. The air conditioner indoor unit aims at solving the problem that the air supply distance of an existing air conditioner indoor unit is small. The air conditioner indoor unit comprises a machine shell and at least one wind power range extending device. The shell is provided with an air return port and an air supply port. The wind power range extending device is arranged at the air supply outlet and used for increasing the flow speed of airflow flowing through the wind power range extending device so as to increase the air supply distance of the air conditioner indoor unit. According to the air conditioner indoor unit, at least one wind power range extending device is arranged at the air supply outlet of the air conditioner indoor unit to increase the flow speed of airflow flowing through the air conditioner indoor unit, so that the air supply distance of the air conditioner indoor unit is increased, and the use experience of a user is improved.

The application discloses a power control method, device and electronic equipment, and belongs to the technical field of communication. The power control method comprises the following steps: determining a block error rate of a target channel for sending a data packet to a base station based on a feedback message sent by the base station to the target channel; and adjusting the transmission power of the target channel according to the block error rate, so that the block error rate of the target channel is less than a first threshold value.

This invention discloses an enzymatic hydrolysis device for preparing chitosan oligosaccharides, relating to the field of chitosan oligosaccharide preparation technology. The device includes a chassis, a support block slidably connected to the upper side of the chassis, a reaction vessel fixedly connected to the upper side of the support block, a feed hopper and a discharge pipe connected to the reaction vessel, a first pipe rotatably connected to the reaction vessel, a stirring rod arranged in a linear array and evenly distributed circumferentially connected to the first pipe, a second pipe rotatably connected to the upper side of the second pipe, a third pipe rotatably connected to the second and third pipes, both equipped with heat insulation layers, a first connecting shell connected to the third pipe, and a fourth pipe rotatably connected to the upper side of the first pipe and fixedly connected to the third pipe. This invention cools the materials in the reaction process, keeping the enzyme in a highly active state, thereby ensuring the reaction rate.

The utility model discloses a fixture for testing the tensile strength of the adhesive of a terracotta warrior, which comprises an upper chuck and a lower chuck with the same structure, each of the upper chuck and the lower chuck comprises a U-shaped frame, a central rod, a clamping plate and a clamping plate driving part, the central rod is vertically arranged at the center of the bottom edge of the U-shaped frame, and the central rod is in spherical hinge connection with the bottom edge of the U-shaped frame; the centers of the two wing edges of the U-shaped frame are connected with the clamping plate driving components, the end, located in an inner cavity of the U-shaped frame, of each clamping plate driving component is rotationally connected with a clamping plate used for clamping a test piece, the clamping plates are perpendicular to the axes of the clamping plate driving components, and the axes of the clamping plate driving components on the two wing edges of the U-shaped frame are collinear and coplanar with the center of the spherical hinge. The clamp can ensure that the tension direction is perpendicular to the bonding surface, can be used for testing on a tension testing machine, and can ensure the stability of tension and the loading rate.

The invention discloses a microchannel reactor and a method for applying the microchannel reactor to nitration of benzene and benzene derivatives, and relates to the technical field of organic synthesis.The microchannel reactor comprises a first feeding channel, a second feeding channel, a first flow dividing section, a first mixing section, a second flow dividing section, a second mixing section, a third mixing section, a discharging channel and a delayed reaction assembly which are sequentially communicated, two reaction solutions enter the reactor through the first feeding channel and the second feeding channel respectively, and enter the delayed reaction assembly through the discharging channel after multiple times of shunting and mixing operation of the solutions is completed, so that the final nitration reaction is completed; the device further comprises heat exchange assemblies used for assisting solution cooling, and the second mixing section, the third mixing section and the delayed reaction assembly are all provided with the heat exchange assemblies. The sample adaptability of the reactor is effectively improved through mutual combination of a plurality of solution mixing modes, and meanwhile, the time required by the trifluorotoluene nitration process is shortened by adopting a gradient temperature control mode of the reactor.

The utility model relates to the technical field of batteries, and provides a square battery which comprises a battery shell which is a steel shell; the first pole assembly is arranged on the first shell section; the battery cell is arranged in the battery shell; the first switching piece and the first pole assembly are connected with the first part, and the first tab is connected with the second part; wherein the area surrounded by the circumferential outer edge of the side, facing the first shell section, of the first part is S1, the area surrounded by the circumferential outer edge of the side, facing the second shell section, of the second part is S2, and S1 / S2 is larger than or equal to 0.5 and smaller than or equal to 6, so that the heat dissipation capacity of the battery cell can be guaranteed, and the heat dissipation efficiency balance of the first shell section and the second shell section can be guaranteed; therefore, the internal heat balance and consistency of the battery are relatively high, and the safety risks such as lithium precipitation caused by local heat production of the battery can be reduced, so that the safe use performance of the square battery is effectively improved.