54results about How to "Avoid issues such as waste" patented technology

The present invention discloses a streaming media service rate prediction method and device. According to the scheme of the present invention, the service rate influence data of the previous data sampling time period of the current moment can be obtained, the obtained service rate influence data is inputted to a set least squares support vector machine (LS-SVM) rate prediction model to obtain the service prediction rate of the next data sampling time period of the current moment, and the corresponding streaming media data is generated according to the service prediction rate, wherein the LS-SVM rate prediction model is obtained by training multiple sets of sample data within the previous set time period of the current moment according to a set LS-SVM rate prediction algorithm, so that the service rate prediction accuracy is improved, the code rate of the generated streaming media matches a current network rate more accurately, and the problems, such as the video lag, the network bandwidth waste, etc., are avoided.

The invention provides a PVC extrusion particulate material and a preparation method thereof, and preparation method of an extrusion product. The invention relates to the field of PVC extrusion materials. The PVC extrusion particulate material is prepared from the raw materials of: PVC resin, a stabilizer, an impact-resistant modifier, a lubricant, a conducting agent, and a filler. The polymerization degree of the PVC resin is 1000-1100. According to the invention, with the method, the obtained PVC extrusion grade particulate material has the advantage of well dispersed raw materials. The extrusion product produced with the extrusion particulate material has good and stable comprehensive performances such as smooth and flat appearance, static resistance, good flame retardant property, good toughness, good strength, and the like. The material can satisfy higher and higher requirements of mining and other industries. Also, during the preparation process of the extrusion product, dust pollution can be greatly reduced, and damage to the bodies of workers can be reduced.

The invention provides a message processing method and device based on a micro-service architecture. The method can comprise the following steps: after acquiring a to-be-processed message by a Micro-BRAS (Broadband Remote Access Server) container, determining a service type corresponding to the message, and determining a service processing container corresponding to the service type; and sending the message to the service processing container by the Micro-BRAS container, and performing processing corresponding to the service type on the message by the service processing container. According tothe technical scheme of the invention, a BRAS is divided into the Mirco-BRAS container and the service processing container by using a container virtualization technology, and the container is expanded or shrank. When a large number of user equipment is accessed, the container can be expanded to meet the service needs, and when the number of the accessed user equipment is reduced, the container can be shrank, thereby saving storage and computing resources, and improving the resource utilization.

The embodiment of the invention discloses an image projection method and device, equipment and a storage medium. The method comprises the steps of determining three-dimensional coordinates of a targetobject in an image collected by a camera in a vehicle coordinate system according to camera parameters; and projecting the three-dimensional virtual image of the target object into the live-action image of each display device according to the three-dimensional coordinates of the target object in the vehicle coordinate system, the camera parameters and the equivalent parameters of the equivalent camera model of each display device. According to the embodiment of the invention, the three-dimensional virtual image of the target object is projected to the live-action image of the display device;three-dimensional coordinates of a target object are determined in a vehicle coordinate system in a unified manner; the mobility of the image enhancement effect on different display devices is improved, the problems of system resource waste and the like caused by repeated position calculation for different display devices are avoided, the projection efficiency and accuracy of the image enhancementeffect are improved, and the fitting degree between the image enhancement effect and a real scene is enhanced.

The invention discloses preparation, packaging and layered adding methods of ladle filler sand. The ladle filler sand is prepared from the following components in percent by weight: 30-50% of chromiumladle filler sand and 50-70% of compound ladle filler sand. The compound ladle filler sand is magnesium ladle filler sand or silicon ladle filler sand. The chromium ladle filler sand is prepared fromthe following components in percent by weight: 65-80% of first chromium ore, 12-16% of first quartz sand, 4-6% of first magnesite, 6-8% of first aluminum oxide spheres, 3-5% of first potassium feldspar and 1-3% of a first carbon proportioning agent. Cr2O3 content of the first chromium ore is greater than or equal to 46-51wt%, and the granularity is 0.15-2 mm; SiO2 content of the first quartz sandis greater than or equal to 98.0wt%; MgO content in the first magnesite is greater than or equal to 98.0wt%; Al2O3 content of the first aluminum oxide spheres is greater than or equal to 75.0wt%; K2Ocontent of the first potassium feldspar is greater than 8wt%; C contents of first graphite and first carbon black are greater than 92wt%. The ladle filler sand is added quantitatively in layers, so that the self-opening rate of a steel ladle is improved and the production cost of the ladle filler sand is lowered. The ladle filler sand made from different materials is added uniformly in layers andat a fixed speed under constraint of a packaging barrel.

The invention relates to a preparation method for phytosterol acetate formed by catalytic synthesis through an enzymic method. The preparation method comprises the following steps: dissolving pyruvic acid and phytosterin as reaction substrates into dehydrated organic solvent; adding immobilized lipase and a dehydrating agent; and carrying out an oscillating reaction in a water bath of 40-60DEG C for 16-20 hours to obtain the phytosterol acetate, wherein the esterification rate is high as high as 93.01 percent. According to the preparation method disclosed by the invention, the phytosterol acetate is prepared from the pyruvic acid and the phytosterin as raw materials. The preparation method has the advantages of requirement on simple equipment, environment friendliness, safety and higher esterification rate.

The invention discloses a compound air purifier. The compound air purifier is prepared by compounding a component I and a component II at the weight ratio of 1: (1-8), wherein the component I comprises a nonpolar carrier and an active component A loaded to the nonpolar carrier, the specific surface area of the nonpolar carrier is greater than 200m<2>/g, and the pore volume of the nonpolar carrier is greater than 0.1cm<3>/g; the active component A is strong alkali, permanganate or ferrate; the component II comprises a polar carrier as well as an active component B and an accelerant C loaded to the polar carrier, the specific surface area of the polar carrier is greater than 200m<2>/g, and the pore volume of the polar carrier is greater than 0.15cm<3>/g; the active component B is permanganate or ferrate, and the accelerant C is soluble salt of silver, soluble salt of golden, soluble salt of platinum, or soluble salt of palladium. The invention further discloses a preparation method of the compound air purifier, and an air purifying device comprising the compound air purifier. The compound air purifier provided by the invention has good purifying effects and sterilizing effects for various contaminants, and can work under high air speed.

The invention relates to a multi-shot automatic elastic thread anorectum ligation device. The multi-shot automatic elastic thread anorectum ligation device comprises a handle, a gun barrel, a percussion switch, a connector and a negative pressure switch, wherein the gun barrel is connected with the front end of the handle and comprises an outer sleeve tube and an inner sleeve tube; the outer sleeve tube is arranged on the periphery of the inner sleeve tube in a sleeving manner; a suction head is clamped at the front end of the inner sleeve tube; an elastic thread is arranged in the inner cavity of the handle, penetrates through the outer sleeve tube from the inner cavity of the handle and is movably sleeved on the suction head; the tightness of the elastic thread is controlled by a plurality of winding mechanisms; the plurality of winding mechanisms are arranged on the handle; after being ligated, the elastic thread is rotationally cut by a blade arranged at the front end of the gun barrel; and the blade is arranged on a limiting guide tube between the outer sleeve tube and the inner sleeve tube. The invention aims to overcome the defects in the prior art and provides the multi-shot automatic elastic thread anorectum ligation device which has multiple shots, can complete ligation by a single person and is simple in structure.

The invention relates to an automatic generation method and device of service derivative indexes, electronic equipment and a computer readable medium. The method comprises the steps of generating multiple pieces of service process data based on a product interaction page and service categories; establishing entity contact data based on a plurality of data tables in a service database; based on the multiple pieces of service process data, establishing an association relationship between the multiple data tables and service categories, the data tables including atomic indexes; establishing a logical relationship among the plurality of data tables based on the entity contact data; and automatically generating service derivative indexes according to the service categories, the association relationship and the logical relationship, wherein the service derivative indexes are composed of at least one atomic index. According to the automatic generation method and device of the service derivative indexes, the electronic equipment and the computer readable medium, the data output efficiency can be improved, and the operation analysis decision-making efficiency can be improved.

The invention relates to the field of building decorating boards, in particular to a board with the grid size.The board comprises a board body.Transverse row size lines and longitudinal row size lines are arranged on the surface of the board body and are intersected to form a plurality of basic table cells.Table cell size figure identification is arranged in each basic table cell.A board groove is formed between the two adjacent basic table cells on the two sides of the board body.According to the board with the grid size, the transverse row size lines and the longitudinal row size lines are arranged on the surface of the board body, the corresponding transverse row size figure identification and the corresponding longitudinal size figure identification are arranged on the surface of the board body, under the circumstance without a tape, a single person can carry out operation, staking-out in survey is not needed, direct reading and cutting only need to be carried out on the board, the middle links of staking-out in survey are omitted, operation is easy and convenient, the time cost and the labor cost can be saved, the working efficiency is promoted, and a guarantee is provided for precise and efficient construction of workers.

The invention discloses a granular material gas-solid separation collector in the field of chemical industry equipment. The granular material gas-solid separation collector comprises a tubular shell and an air guide pipe positioned inside the shell, an air outlet is formed in the top of the shell, a material outlet is formed in the bottom of the shell, the air guide pipe is communicated with the air outlet, a filter net is arranged in the air guide pipe, at least two feeding pipes are arranged on the side face of the top of the shell, and the axis of each material inlet and the shell are intersected in the horizontal direction and the vertical direction so as to form a certain included angle respectively. The granular material gas-solid separation collector has the advantages that a plurality of material inlets are formed in the granular material gas-solid separation collector, so that materials can be fed into the gas-solid separation collector through the material inlets and discharged from the gas-solid separation collector through the material outlet, the problems that a plurality of separators are used in the traditional mode and equipment and pipe fittings are wasted are solved, separation and collection efficiency of the gas-solid separator with the multiple material inlets is improved, space occupation of the equipment is reduced, and the granular material gas-solid separation collector has the advantages of low cost and convenience in maintenance.

The invention provides a construction device and a construction process for a high-rise building fireproof material. The construction device for the high-rise building fireproof material comprises a vehicle body, and a bin body is arranged on the vehicle body; the stirring mechanism is arranged in the bin body, and at least part of the stirring mechanism extends into the bin body for stirring; the spraying mechanism is arranged on the bin body and at least partially communicates with the bin body; and the cleaning mechanism is arranged on the bin body. The stirring mechanism can stir the fireproof coating in the bin body, so that solid components of the fireproof coating are mixed more thoroughly and distributed more uniformly, and the quality of the fireproof coating is further improved; the automatic spraying process is achieved, the manual spraying process is omitted, and the spraying efficiency and the spraying quality are improved; and the cleaning mechanism can effectively improve the adhesive force of the fireproof coating, so that the spraying quality is guaranteed.

The invention belongs to the technical field of metal 3D printing powder conveying, and relates to a method for uniformly mixing powdery metals in real time, and a metal 3D printing method and device. The method for uniformly mixing the powdery metals in real time comprises the following steps: 1) the types of the powdery metals needing to be mixed, the particle sizes of the powdery metals and the mixing proportion of different types of the powdery metals are determined according to actual requirements; at least two types of the powdery metals are provided; and 2) inert gas is adopted for feeding different types of the powdery metals into a mixing area to be stirred and mixed till the powdery metals are uniformly stirred. The invention provides the method for uniformly mixing the powdery metals in real time, and the metal 3D printing method and device, which can effectively ensure the uniformity of components, structures and properties of subsequently prepared materials and the overall quality of parts.

The invention discloses a sperm receiver for artificial fish propagation, and relates to a fish sperm receiver. The invention aims to solve the technical problem that in current fish artificial propagation, as sperm is directly received by cups, sperm tends to be polluted and wasted. The sperm receiver for artificial fish propagation consists of a control box, a container, a barrier sheet, a barrier plug and a sealing tape, and is characterized in that the shape of the upper opening of the control box is matched with the curvature of the belly line of fish, and the thickness of the edge is relatively thin. By using the sperm receiver for artificial fish propagation disclosed by the invention, the problems that in current fish artificial propagation, a cup is used to directly receive sperm, causing excrement to flow into the cup and pollute the sperm, and sperm may flow out of the cup and result in waste; and the sperm receiver disclosed by the invention is applicable to artificial male parent fish sperm colleting and gathering.