58results about How to "Solve the following problems" patented technology

The invention relates to a multiparty quantum key distribution system error correction method, which comprises the following steps: S1) calculating system error rate; S2) finding an optimal segment length sequence according to the system error rate; S3) carrying out loop iteration execution of the following steps: S3.1) carrying out data rearrangement; S3.2) carrying out segmentation on sender original key and distribution key according to the optimal segment length, calculating odd-even checksum of the segmented key of a sender and a receiver respectively, comparing operation results of the sender and each receiver to obtain the segmented keys, the operation results of which are different; S3.4) through a Winnow error correction algorithm, finding the error bit position; and S3.4) according to the error bit position, carrying out inversion on the 0 or 1 value at the corresponding position in a shared key of each receiver until reaching the largest iteration times and stopping cycle; and S4) checking the error correction result, if each receiver corrects error successfully, ending the operation, and if at least one receiver fails error correction, discarding the corresponding key. The multiparty quantum key distribution system error correction method is high in reliability and error correction efficiency, and can be suitable for multiparty quantum key distribution system error correction.

The invention relates to an error correction method for a multi-party quantum secret sharing system. The error correction method comprises the following steps: S1: calculating a system error rate; S2: according to the system error rate, finding the optimal segment length sequence; S3: performing the following steps through loop iteration: S3.1: rearranging data; S3.2: according to the optimal segment length, segmenting an original key of a transmitter and a shared key; calculating parity check sums of segment keys at a transmitting end and a receiving end respectively, and comparing operational results of the transmitting end and the receiving end to obtain the segment keys with different operational results; S3.3: finding error bit positions by a Winnow error correction algorithm; S3.4: according to the error bit positions, negating 0 or 1 values at corresponding positions in the original key of the transmitter, and stopping loop iteration till the maximum number of iterations is reached; S4: checking error correction results; if error correction is successful, ending operation; if the error correction is not successful, discarding the corresponding keys. The invention provides the error correction method which is high in reliability and high in error correction efficiency and is applicable to the multi-party quantum secret sharing system.

The invention relates to an intelligent repair detector used for round steel and a detection and repair method thereof. The intelligent repair detector comprises a measurement pipe, a display board isarranged on the outer wall of the measurement pipe, measurement holes are uniformly formed in the measurement pipe in the circumferential direction, and driven devices are arranged in the measurementholes; repair devices are arranged in the driven devices, and locking devices are arranged on the outer sides of the driven devices. By means of the intelligent repair detector, the problems can be solved that in an existing round steel detection and repair process, a worker needs to hold a detection tool by hand to measure the diameter of the round steel, detection and repair cannot be conductedat the same time, the process is complicated, time is wasted, through manual repair of the round steel, the round steel repair situation cannot be precisely controlled in real time, and repair and detection need to be alternatively conducted repeatedly. The intelligent repair detector can achieve the function that the round steel is intelligently detected and repaired in real time.

An efficient energy-saving and multipurpose solar water heater comprises a hot water storage tank, an evaporation water tank, a preheating water tank, a distilled water tank and a full glass double-vacuum solar collector tube, wherein a vapor heat exchanger and a domestic hot water exchanger are installed in the hot water storage tank; an assisting electrical heating pipe and a flow deflector are installed in the evaporation water tank; a distilled water exchanger is installed in the preheating water tank; a tap water inlet heat exchanger is installed in the distilled water tank; the tap water inlet heat exchanger, the preheating water tank and the domestic hot water thermal exchanger are communicated with each other in sequence, so as to provide domestic hot water for users; the full glass double vacuum solar collector tube is communicated and connected with the evaporation water tank; and the evaporation water tank, the vapor heat exchanger, the distilled water heat exchanger and the distilled water tank are connected and communicated with each other in sequence, so as to provide drinking distilled water for the users. The invention has the advantages of novel structure, high heat efficiency, energy conservation, multiple purposes and excellent technical performance.

The present invention relates to a structure of a propeller cap. In order to solve the problem of a conventional propeller boss cap fin (PBCF) which requires precision processing and thus is difficult to manufacture and has high manufacturing costs, the present invention provides a combined propeller cap configured by combining a diffusion type propeller cap with the tip end of an existing contraction type propeller cap so that hub vortex cavitation occurring in the rear of a propeller can be reduced. In addition, provided is a combined propeller cap having a guide fin for reducing rotating flow and hub vortex and enhancing propulsion efficiency, the combined propeller cap being configured so as to be capable of additionally reducing occurrence of hub vortex cavitation due to attachment of a plate shaped guide fin to a contraction type portion of such a propeller cap or between a contraction type portion and a diffusion type portion thereof.

The invention discloses an integrated water-cooling air-cooling heat pump module unit comprises a small cooling tower shell, a cooling system, a refrigerant circulating system and a functional module,wherein the cooling system, the refrigerant circulating system and the functional module are integrated in the small cooling tower shell. The cooling system comprises a fan, a water distributor, a cooling circulating pump, a sprayer, a cooling filler layer and a cooling water tank, and the refrigerant circulating system comprises a low-power compressor, an air cooling fin type heat exchanger, anopen spiral winding type condenser, a four-way valve, an indoor side heat exchanger and a gas-liquid separator; the functional module comprises a liquid storage tank, a drying filter, an electronic expansion valve and a plurality of one-way valves which are connected with one another; the low-power compressor is connected with the air cooling fin type heat exchanger and the open spiral winding type condenser through the four-way valve and then connected with the low-power compressor through the function module, the indoor side heat exchanger, the four-way valve and the gas-liquid separator.

The invention relates to a preparation method of mothproof tooth-strengthening toothpaste. The method uses preparation equipment of the mothproof tooth-strengthening toothpaste, the preparation equipment of the mothproof tooth-strengthening toothpaste comprises a base and a stirring device, and the stirring device is arranged on the upper surface of the base. The invention can solve the current problems that: the raw materials of a toothpaste can generate chemical reaction in the mixing and stirring process after being added, the mixed raw materials form a semi-solid pasty substance, the pasty substance has certain adhesiveness and can be adhered in the stirring equipment, and existing stirring equipment does not have the function of automatically cleaning attached paste, so that the attached paste can only be removed through external force, the use efficiency of the toothpaste stirring equipment is affected, the stirring mode of the stirring equipment for toothpaste raw material mixtures is too single, the mixtures are difficult to stir sufficiently, the chemical reaction effect between the mixtures is poor, and the use value of the toothpaste is influenced.

The invention relates to a packaging box sealing system of a logistics center and a using method of the packaging box sealing system. The packaging box sealing system comprises a mounting rack, and awrapping mechanism and a sealing mechanism are sequentially mounted on the upper end face of the mounting rack from right to left. The problems that 1, when a packaging box is packaged by a plastic packaging bag manually at present, the finished packaging bag needs to be prepared, and consequently, the cost of logistics transportation is increased; 2, during manual packaging, the logistics bag needs to be opened to put the packaging box in, operation is complex, the consumed time is long, in packaging operation, the unified action needs to be repeated manually, and consequently the labor intensity is large; and 3, electric soldering iron needs to be manually controlled to seal the packaging bag, the smell emitted by the heated plastic packaging bag is very harmful to human health, and during sealing operation, the extending part of the side edge of the packaging bag needs to be manually folded are solved.

The invention relates to an EPE pearl wool packaging material forming and cutting processing machine and method. The EPE pearl wool packaging material forming and cutting processing machine comprises a base and a cutting device, and the cutting device is arranged on the upper surface of the base. The EPE pearl wool packaging material forming and cutting processing machine and method can solve the problems that at present, EPE pearl wool is only conveyed into cutting equipment through an intermittent mechanism to be cut, but the EPE pearl wool is not pressed and tensioned in the period; since the EPE pearl wool packaging material is wound and packaged after being produced, if the EPE pearl wool is not pressed and tensioned, the accuracy of cutting data of the EPE pearl wool can be influenced; and since the EPE pearl wool packaging material is wound and packaged after being produced, the problem that wrinkles and indentations are generated on the surface of the EPE pearl wool cannot be avoided when the EPE pearl wool is stored for a long time, but existing cutting equipment does not conduct surface smoothing treatment on the EPE pearl wool to be cut, and therefore the cutting effect of the EPE pearl wool is influenced.

The invention relates to an automobile safety seat based on a topological parallel structure. The automobile safety seat based on the topological parallel structure comprises a seat body, wherein therear end of the seat body is provided with a connecting device; a connecting adjusting device is connected with a seat back; the seat back is provided with a protecting device through a pin shaft; anda guide block is arranged between the seat back and the connecting adjusting device. The invention can solve the following problems when an existing automobile runs on a complex road surface: a, whenthe automobile runs on a bumpy road surface, and the comfort degree of passengers cannot be guaranteed by an existing automobile seat when the automobile shakes; b, even if a passenger adjusts the seat to a comfortable angle, the angle of the seat can be changed after the seat is impacted; c, when the driver of the automobile is tired, accidents are easy to happen, and the safety of people in theautomobile is endangered; and d, when the automobile collides, the passengers are injured and even thrown out of the automobile due to strong impact caused by inertia of the automobile.

The invention relates to an outdoor activity microphone sponge cover replacement system and a replacement method thereof. The system comprises a mounting frame. The mounting frame is uniformly provided with operation grooves in the circumferential direction. The upper end of the mounting frame is uniformly provided with insertion holes in the circumferential direction. Butting mechanisms are arranged in the insertion holes. Auxiliary mechanisms are arranged on the inner wall of the upper end of the mounting frame in the circumferential direction. The auxiliary mechanisms are in one-to-one correspondence with the insertion holes. A film sleeving mechanism is mounted on the middle portion of the inner wall of the upper end of the mounting frame. Through the outdoor activity microphone spongecover replacement system, hidden danger that a lot of microphones are needed at a large activity site, sponge covers on the microphones cannot be replaced in time after the microphones are used alternately, users feel uncomfortable easily, personnel at the activity site are complex, saliva are retained on the sponge covers easily and virus infection is caused due to tardy replacement in the existing microphone sponge cover sleeving process can be solved.

The invention relates to a tubular heat exchanger manufacturing and processing technology. The technology uses tubular heat exchanger manufacturing and processing equipment, the tubular heat exchanger manufacturing and processing equipment comprises a base and an assembling device, and the assembling device is arranged on the upper surface of the base. The equipment can solve the current problems that heat exchange tubes are of U-shaped structures, so that the heat exchange tubes are manually mounted on a tube plate one by one according to specifications from small to large, the manual mounting efficiency is lower, the production efficiency of the heat exchanger is influenced, moreover, indentations or creases are easy to appear on the surfaces of the heat exchange tubes when the tube plate and the heat exchange tubes are manually assembled, so that the use value of the heat exchange tubes is reduced, the quality of the heat exchanger is influenced, although the tube plate is firmly fixed, the tube plate and the heat exchange tubes are not very convenient to place and take down before and after being assembled, opening and closing of clamping equipment need to be manually controlled, the assembling efficiency of the tube plate and the heat exchange tubes is affected, and certain personal safety is brought to workers.

The invention discloses an integrated water-cooling low-temperature type air-cooling heat pump module unit which comprises a small cooling tower shell, a cooling system, a refrigerant circulating system and a functional module. The cooling system, the refrigerant circulating system and the functional module are integrated in the small cooling tower shell. The cooling system comprises a fan, a water distributor, a cooling circulating pump, a sprayer, a cooling filler layer and a cooling water tank, and the refrigerant circulating system comprises a low-power compressor, an air cooling fin typeheat exchanger, an open spiral winding type condenser, an indoor side heat exchanger and a gas-liquid separator; the functional module comprises a liquid storage tank, a drying filter, an economizer and a plurality of electronic expansion valves which are connected with one another; and the low-power compressor is connected with the open spiral winding type condenser, a three-way valve and the aircooling fin type heat exchanger through a four-way valve and then is divided into a main loop and an auxiliary EVI loop. The main loop is connected with the low-power compressor through the functionmodule, the indoor side heat exchanger and the gas-liquid separator, and the auxiliary EVI loop is directly connected with the low-power compressor through the function module.

The invention discloses an open spiral winding type efficient cooling system which comprises an open spiral winding type condenser, a cooling circulating pump, a sprayer, a water distributor, a fan, acooling packing layer and a cooling water tank. The open spiral wound condenser is soaked in cooling water of the cooling water tank, and the water distributor and the cooling circulating pump are arranged at the bottom of the interior of the cooling water tank; the sprayer is located above the cooling filler layer and sprays cooling water to the surface of the cooling filler layer; the cooling filler is arranged between the sprayer and the open spiral wound condenser, so that the contact area of the cooling water and air is increased, and the cooling water obtained after the cooling filler layer is cooled uniformly drops on the water surface of the cooling water tank; and the fan is arranged above the sprayer and is used for discharging vaporization latent heat of saturated water vapor obtained by vaporization in the cooling filler layer and the cooling water tank into outdoor atmosphere. The open spiral winding type efficient cooling system has the advantages of being small in size,compact in structure and modularized, and the purposes of saving electricity and water and facilitating online cleaning are achieved.

The invention relates to a precise automobile part remanufacturing pretreatment method. Precise automobile part remanufacturing pretreatment equipment is used in the method and comprises a base and a cleaning device, and the cleaning device is arranged on the upper surface of the base. The method can solve the following problems that the used cleaning equipment only drives an engine crankshaft to rotate, so that a cleaning brush in the cleaning equipment forms a brushing action on the engine crankshaft, the cleaning efficiency of the engine crankshaft is reduced through unilateral rotation, in the process of brushing the engine crankshaft by the cleaning brush in the cleaning equipment, greasy dirt on the engine crankshaft can be brushed down and attached to the cleaning brush at the same time, the existing cleaning equipment does not remove the greasy dirt attached to the cleaning brush in time, the engine crankshaft is difficult to clean, the cleaning time of the crankshaft is prolonged, and the working efficiency is reduced.

The invention relates to a jacquard fabric production and dyeing process, which uses jacquard fabric production and dyeing equipment. The jacquard fabric production and dyeing equipment comprises a base and a dyeing device, wherein the dyeing device is arranged on the upper surface of the base. The jacquard fabric production and dyeing process can solve the following problems in the prior art that fabric is only placed in dye liquor to be soaked and then is simply turned over, such dyeing mode is too single, the dye liquor is difficult to completely permeate into the fabric, the fabric is non-uniformly dyed after dyeing, and thus the dyeing effect of the jacquard fabric is poor; and the contact duration of the fabric and the dye liquor is difficult to accurately control, the fabric is dyed too deep after too long time, and the fabric is dyed too shallow after too short time, so that the problem of low dyeing efficiency of the fabric is caused while the dyeing effect of the fabric is poor, and the production efficiency of the jacquard fabric is seriously influenced.

The invention relates to a tube type heat exchanger forming assembly method which uses tube type heat exchanger forming assembly equipment. The tube type heat exchanger forming assembly equipment comprises a base and an auxiliary device which is arranged on the upper surface of the base. The tube type heat exchanger forming assembly method can solve the current problems that as the shapes of a tube plate and a deflection baffle are different, but existing clamping equipment has the same clamping and fixing mode on the tube plate and the deflection baffle, it is difficult to completely clamp and fix the deflection baffle at the position where the tube plate can be clamped and fixed, the tube plate and the deflection baffle are completely fixed after one-time position calibration is performed for clamping and fixing, it is needed to open the clamping equipment again to adjust the positions of the tube plate and the deflection baffle for the problem of hole misalignment in subsequent assembly of heat exchange tubes, time and labor are wasted, and the heat exchanger production efficiency is seriously affected.

The invention relates to an improved stainless steel reaction kettle which comprises a base, an auxiliary device, a reaction kettle body and a temperature control device, the auxiliary device and the reaction kettle body are arranged on the upper surface of the base, the reaction kettle body is located at the center of the auxiliary device, the temperature control device is arranged on the outer surface of the reaction kettle body, and the auxiliary device is in sliding contact with the temperature control device. The reaction kettle can solve the current problems that a heater or a cooler needs to be mounted in advance for heating and cooling of the reaction kettle, and the heater and the cooler cannot be mounted on the reaction kettle together for free heating and cooling switching, so that the efficiency of production through reaction is influenced; and when the temperature of the reaction kettle needs to be controlled at a certain numerical value, the temperature of the reaction kettle can reach the required numerical value only by a heater or a cooler within a certain time, and the required time is difficult to grasp effectively.

The invention relates to a high-strength recycled fine aggregate anti-crack concrete preparation method. High-strength recycled fine aggregate anti-crack concrete preparation equipment is used, the high-strength recycled fine aggregate anti-crack concrete preparation equipment comprises a base and a cutting device, and the cutting device is arranged on the upper surface of the base. The equipment can solve the current problems that when used crushing equipment crushes more fiber clothes at one time, a machine is jammed, the crushing effect of the crushing equipment on the clothes is general, larger clothes pieces still exist, and when the large clothes pieces are mixed in recycled fine aggregate concrete, the crack strength of the concrete is severely reduced, the position of a cutter is located at a place which cannot be changed, the size of broken clothes pieces cannot be adjusted, the crushing treatment efficiency of subsequent broken clothes pieces is also reduced, and the production efficiency of the recycled fine aggregate concrete is reduced.