54results about How to "Guaranteed utility" patented technology

The invention provides a vehicle-mounted edge calculation method, device and system based on volunteer cooperative processing, and the method comprises the steps: setting a certain vehicle-mounted edge calculation server, i.e., n vehicle users ri (i = 1, 2,..., n) with task unloading demands in a coverage range of a VEC server vj; and enabling the VEC server vj to receive the task unloading requests of the vehicle users within the coverage range of the VEC server vj, and recruit one volunteer alliance to provide idle resources to assist the volunteer alliance in processing the task amount which cannot be processed by the volunteer alliance according to the total task amount requested to be unloaded by all the vehicle users and the total task amount which can be processed by the volunteer alliance, wherein each volunteer alliance is a vehicle-mounted resource pool composed of a plurality of vehicles with idle resources. According to the invention, the problem of limited computing resources of the VEC server in vehicle-mounted edge computing can be solved, and the vehicle-mounted service quality and the user experience are effectively improved.

The invention discloses a differential distinguishability k prototype clustering method based on MapReduce. The differential distinguishability k prototype clustering method comprises the following steps: step 1, preprocessing an input data set D; step 2, carrying out task setting of a MapReduce framework; 3, determining a local center point set Q in each Map task; 4, determining the clustering number k according to the local center point set Q; step 5, setting parameters of a differential distinguishability implementation mechanism; step 6, dividing each data record of the data set D1 into corresponding clusters; 7, calculating a new round of clustering center point; step 8, comparing the central points of the two rounds of clustering; and 9, dividing a data set D1 according to the finalclustering center point. According to the method, a simple parameterization method is provided for practitioners of big data mining; the data processing efficiency is improved, and the safety and effectiveness of the data can be ensured.

The invention discloses a hemsleya amabilis rapid propagation medium and application thereof. The hemsleya amabilis rapid propagation medium comprises a callus medium, a tender shoot medium and a rooting medium which are used in different stages of hemsleya amabilis rapid propagation culture respectively. The hemsleya amabilis rapid propagation medium provides scientific and reasonable nutrients in the inducing culture process of hemsleya amabilis callus, the seedling rate of seedlings is increased, the period of tissue inducing culture is shortened, the medicinal effect of wild hemsleya amabilis is kept, and the hemsleya amabilis rapid propagation medium has application prospects in the aspects of hemsleya amabilis wild resource preservation, protection, development and utilization and the like.

The invention relates to a high surface area far infrared material, and a preparation method and applications thereof. The components of the material and the contents of the components in weight percent are as follows: 50-92% of alumina, 2-20% of iron oxide, 0.1-5% of zinc oxide, 2-20% of cobalt oxide, 1-10% of nickel oxide, 0.1-10% of manganese oxide, and 0.1-5% of copper oxide. The preparation method comprises the following steps: 1) placing raw materials in a ball mill for ball milling with a discharging-material size of 5-10 micrometer to obtain a mixed fine material; and 2) heating to a temperature of 600-1000 DGE C at a heating rate of 3-6 DEG C/min and sintering the mixed fine material for two hours. The material of the invention is advantageous in that: 1) the far infrared rays releasing performance is stable; 2) the specific surface area is high and the adsorptive property is good; 3) the drug absorption process is turned into a active release process when the material is used as excipients for medical external preparation, therefore improving the drug absorption speed; 4) the preparation method is simple.

The invention discloses a screen control method and system as well as equipment. The method applied to a server side comprises the steps as follows: before the equipment prints a screen, a screen loading verification request sent by the equipment is received, wherein the verification request comprises a first identification of the screen and a second identification of the equipment, a pre-stored database is inquired according to the first identification and the second identification, and a first attribute value of the screen and a second attribute value of the equipment are acquired; whether the screen meets an loading condition is verified according to the first attribute value and the second attribute value, and a verification result is sent to the equipment, so that the equipment can perform corresponding operation according to the verification result. Thus, whether the screen meets the loading condition can be verified automatically, the verification efficiency and accuracy are improved, and the production yield of products is effectively guaranteed.

The invention provides a system and method for simultaneously machining non-standard parts based on a numerical control machining center. The system comprises a clamping process plate, a visual photographing soft module, a machining center online alignment and calibration module, a CAM secondary development numerical control programming module and a part online detection module. The clamping process plate is used for clamping a plurality of non-standard parts onto one process plate; the visual photographing soft module is used for carrying out workpiece primary alignment calibration on parts on a process plate through visual photographing, the machining center online alignment calibration module is used for detecting probe movement online, and the CAM secondary development numerical control programming module is used for compiling a non-standard part full-automatic machining NC program for a numerical control machining center. The system has the advantages that data of non-standard parts are collected and processed, it is guaranteed that the numerical control machining center can clamp multiple non-standard parts on one process plate at the same time for unattended full-automatic machining, the auxiliary time of the machining and manufacturing process of a numerical control machine is shortened, and the utilization rate of the numerical control machining center is guaranteed.

The invention provides a composite test material with light transmittance changing along with humidity as well as a preparation method and application of the composite test material. The composite test material is prepared from the following raw materials: hydroxyl modified acrylic resin, polyurethane acrylic resin, an inorganic color developing agent, a plasticizer, filler, a flame retardant andan initiator. The composite test material provided by the invention can be used for conveniently preparing a solution, and the solution coats a plastic sheet with high light transmittance, so the water content in a cable can be conveniently tested according to the light transmittance. The linear relation between the light transmittance and the humidity of the test environment is good, and R2 is 0.96 or above. After the sheet is placed for a period of time, the sheet is dried again, and the relation curve of the light transmittance and the humidity is still in a good linear relation. The composite test material provided by the invention can be formed through vacuum drying after a heating reaction or extrusion. The preparation method is simple in process, low in cost and convenient for industrial large-scale production, and has good market prospects.

The invention provides a mobile crowd sensing user income selection method. The mobile crowd sensing user income selection method comprises the steps: firstly, selecting and modeling incomes of two parties as a publisher-user evolutionary game model; calculating a data quality deviation degree according to the related attributes of the data uploaded by the user, and removing low-quality user data;and carrying out evolution strategy solution solving and stability analysis on the screened users to obtain user optimal income strategies under different conditions. Compared with the prior art, themobile crowd sensing user income selection method has the advantages that all reasonable users are screened out in the user data evaluation stage; compared with two common anomaly detection methods for performance (namely, a BP method and an SVM method), the mobile crowd sensing user income selection method has the advantages of being high in abnormal data recognition accuracy and data classification accuracy; and meanwhile, under the condition that user data quality is confirmed, high-quality user data are selected as much as possible, so that the maximum benefits of bid winning users are guaranteed, and the overall effectiveness of a sensing platform is guaranteed.

The invention discloses an automatic feeding device and an insert feeding, pasting and cutting machine. The automatic feeding device is used for automatically arranging scattered inserts in order and then outputting the inserts one by one, transferring the output inserts to a pre-feeding station and then blowing the inserts to a material taking station; the insert feeding, pasting and cutting machine comprises a protective film stripping device, an automatic feeding device, a product positioning device, a film taking and pasting mechanical arm and a sprue material handle cutting device, wherein the protective film stripping device is used for stripping a protective film from a material belt for standby application; the film taking and pasting mechanical arm is used for pasting the stripped protective film to an insert injection molding product, and the sprue material handle cutting device is used for cutting a sprue material handle on the insert injection molding product; and the product positioning device is used for bearing the insert injection molding product to be coated with the protective film, and is also used for carrying the insert injection molding product coated with the protective film to a cutting station and assisting in cutting. According to the invention, insert feeding can be automatically completed, accurate butt joint with an injection molding machine can be realized, and film coating and material handle cutting can be realized; while the product precision is ensured, the utilization rate can be ensured, the operation efficiency is improved, and the stability of the operation quality is ensured.

The invention discloses low-temperature-resisting storage battery electrolyte and a preparation method thereof and belongs to the technical field of manufacturing of storage batteries. The storage battery electrolyte is prepared from the following components in percentage by mass: 60 to 65 percent of water, 30 to 35 percent of sulfuric acid, 0.1 to 0.5 percent of tannin, 0.05 to 0.3 percent of magnesium lignosulphonate, 0.02 to 0.1 percent of lithium sulfite, 0.02 to 0.1 percent of stannous sulfate, 3 to 10 percent of polyepoxysuccinic acid or sodium polyepoxysuccinate and 0.05 to 0.3 percentof hydroxymethyl cellulose. According to the electrolyte disclosed by the invention, a polar plate sulfated new component, i.e., polyepoxysuccinic acid or sodium polyepoxysuccinate, is added into theelectrolyte to alleviate the utilization invalidation of lignin components in a negative electrode additive, so that the service life of a storage battery is prolonged; meanwhile, the low-temperatureperformance of the storage battery is increased; the special tannin for the storage battery is added into the storage battery in an another way, so that the low-temperature performance of the storagebattery is improved; magnesium lignosulphonate and metal salt components are added to avoid short circuit of storage battery dendritic crystal and prevent a polar plate from being sulfated.

The invention discloses an intelligent and environmentally friendly integrated cooking stove integrating oil smoke separation and smoke guide energy concentration. The cooking stove comprises a closedcombustion stove body, a central control panel, an oil smoke separation system, a smoke guiding system, a combustion system, an exhaust gas discharge system, a water supply system, a sewage drain system and a dishwasher, the central control panel is located directly in front of the stove body, the dishwasher is arranged at the lower front portion of the stove body, the oil smoke separation systemis arranged at the upper rear portion of the stove body, inlets of the smoke guiding system and the exhaust gas discharge system are connected with the combustion chamber of the stove body, the watersupply system provides hot water for the oil smoke separation system and the dishwasher through the combustion system, and the sewage drain system is located at the lower portion of the oil smoke separation system. The stove adopts the method of water mists to strip and discharge oil stains in lampblack generated during cooking into sewage, the oil smoke free external discharge is achieved, a part of the waste hot gas generated during the combustion of the gas is used as the power for guiding the oil smoke, the closed combustion stove body not only gathers fire and saves energy, but also reduces the exhaust air volume and energy consumption of an exhaust fan, and the oil smoke is stopped from being affected by a rising hot air flow.

The invention discloses a plantation method of selenium-enriched polygonatum rhizome. The plantation method comprises following steps: 1, field selection; 2, seed stem selection and plantation; 3, fertilization; 4, spraying of selenium-enriched nutrient agent; and 5, fertilization of selenium fertilizer. The beneficial effects are that: polygonatum rhizome and selenium are combined, the effect ofpolygonatum rhizome is ensured, and a problem that human body is lack of selenium is solved; selenium-enriched polygonatum rhizome wine is obtained through fermenting in bamboo containers, is capableof nourishing the body, excellent in health care effect, mild in properties, and is suitable for long term drinking; underwood plantation of selenium-enriched polygonatum rhizome is capable of realizing full utilization of underwood resources, woodland output rate is increased, forestry comprehensive benefit is improved, and the total underwood economical value is increased greatly.

The invention discloses an induction type lifting sound barrier system and a working method thereof. The lifting sound barrier system comprises a sound barrier board, a lifting mechanism and a base; a containing groove which is used for containing the sound barrier board is formed in the base; the lifting mechanism is arranged between the base and the sound barrier board and used for driving the sound barrier board to ascend and descend. The induction type lifting sound barrier system has the advantages that compared with a traditional sound barrier, the induction type lifting sound barrier can allow the natural wind to pass through a railway line area smoothly in a non-working state, the influence of external environmental factors such as a natural wind load and aging caused by sunshine can be avoided, accordingly, the damage probability of the sound barrier is lowered, and the cost of late period maintenance and replacement is greatly reduced.

The invention discloses a preparation method of antibacterial peptide gynecological gel which has the advantages of moderate absorption, lasting curative effect and capability of adjusting the ecological balance of a vagina. The preparation method comprises the following steps: 1) taking honeybees; heating and drying the honeybees; crushing the dried honeybees to obtain honeybee powder; 2) addingthe honeybee powder into a glycerol-acetic acid solution containing arginine; immersing for 12h to 20h and carrying out ultrasonic vibration for 10min to 20min to obtain a mixed solution; 3) filteringthe mixed solution to remove filter residues; heating filtrate at 80 DEG C to 100 DEG C for 40min to 60min; concentrating to obtain a honeybee extracting solution; 4) adding towel gourd juice and aloe powder into the honeybee extracting solution and stirring at 30 DEG C to 50 DEG C for 20min to 40min; then adding an MgCl2 solution; after stirring, carrying out freeze-drying; recovering room temperature in air with the relative humidity of 60 percent to 80 percent to obtain the antibacterial peptide gynecological gel.

The invention discloses a sponge wipe placing bracket, comprising a water permeable pipe and a placing bracket body. A rolling groove is opened at the bottom horizontal centerline of the placing bracket body, and a plurality of rolling grooves are equidistantly arranged inside the rolling groove. The top of the placing bracket body is symmetrically fixed with a telescopic column, the top of the telescopic column is fixed with a suction cup, and the inside of the placing bracket body is provided with a water storage bin. In the present invention, a bottom plate is fixed inside the placing bracket body, the top of the bottom plate is provided with a plurality of permeable holes equidistantly, and a permeable pipe is fixed between every two permeable holes, the permeable pipe is connected with the bottom plate, and the sponge The wiper is placed on the top of the permeable pipe to reduce the contact area between the sponge wiper and the placing bracket body, which facilitates the infiltration of water inside the sponge wiper, and increases the area of ​​the permeable holes on the bottom plate, which is more conducive to the infiltration of water and accelerates The speed at which the sponge pad dries.