58results about How to "Meet a wide range of needs" patented technology

The invention discloses a point cloud based quick reconstruction STL digital model generation method. The method includes performing simplified filtering and characteristic extraction on input point cloud; performing curve reconstruction on surface point cloud on a digital model; establishing a model topologic relation on the STL digital model and performing grid simplification; performing hole detection and repair on the simplified STL digital model so as to remove defects in the model. According to the invention problems of laser scanning point cloud based STL model reconstruction can be solved effectively. The STL model is generated through steps including point cloud characteristic extraction, model reconstruction and the like and automatic repair of surface defects of the generated STL model is realized through grid simplification and hole repair technology, so that quick reconstruction of the STL digital model is realized and the availability of the reconstructed STL digital model is improved in the premise of keeping basic characteristics of point cloud, and great demands in different fields such as robot offline programming technology, automatic track planning technology and the like in a smart manufacture process can be met.

The invention relates to a method for preparing regenerated cellulose fibers from plant fibrous pulp of reeds and stalks. The method is the solvent method, and comprises the following steps of: preparing 8 to 15 mass percent spinning solution of the regenerated cellulose fibers by adopting the direct method or indirect method; and spinning the obtained spinning solution of the regenerated cellulose fiber. The method has the advantages of simple process, little pollution, and good performance of the fiber prepared by the method. The regenerated cellulose fiber of reeds, stalks and the like, prepared by the method, has the advantages of high strength, softness, smoothness, good moisture absorbing property, convenient dyeing and the like.

The invention discloses a mass electricity information concurrent computation system and a method based on distributed computation. The system comprises an electricity information distributed storage module, a principal and subordinate structure comprising an electricity information distributed storage module host node and a plurality of electricity information distributed storage module slave nodes, an electricity information computation processing engine, and a principal and subordinate structure comprising an electricity information computation processing engine host node and an electricity information computation processing engine slave node, wherein the electricity information computation processing engine is mutually communicated with the electricity information distributed storage module; the application of various functions of a fast operation and computation result written back in a distributed computing framework is realized. On the basis of realizing unstructured mapping on the mass electricity information to be computed, the data to be computed are grouped to be subjected to concurrent computation, and then the final result is combined to return; the data comprehensive computation ability is improved; the horizontal expansion of server computation ability is realized, and the problem of high-efficiently processing mass data in real time in the big electricity data era is solved.

The invention discloses a full-3D occupation volume element landform modeling method based on a laser radar. The method comprises steps that step 10), data acquisition and coordinate transformation are carried out; 20), volume elements are established, for a gap area between a light start point and a terminal point, an incoming point and an outgoing point of a grid through which the gap area passes are calculated, negative volume elements are constructed to represent an idle state; for a terminal position area, the terminal position area is associated with multiple networks, and corresponding positive volume elements are constructed to represent an obstacle occupation state; step 30), on the basis of constrained volume element update, the constructed positive and negative volume elements are added to a present volume element linked list of the associated grid; update processing is then carried out; and step 40), an occupation state is calculated, probability of a volume element occupation state after update is calculated, and an occupation state is determined. Through the method, landform modeling nondeterminacy, space description accuracy and three-dimensional landform environment modeling efficiency problems can be solved, and precise, high-efficient and real-time field landform environment modeling is realized.

The invention relates to a curing agent compound prepolymer composed of diphenylmenthane diisocyanate and 1, 6-hexamethylene diisocyanate and a preparation method thereof. The method comprises the following steps: MDI and an organic solvent are added and heated to 65 DEG C, polybasic alcohol is added and reacts with the mixture for 2 hours to 4 hours to obtain an MDI modifier; HID, an organic solvent and polybasic alcohol are added, heated and react for 2 hours to 5 hours, then the temperature is reduced below 70 DEG C, a TMP and organic solvent mixture is added, reaction at 70 DEG C lasts for 1 hour to 4 hours and 1 hour to 4 hours when the temperature is between 60 DEG C and 100 DEG C so as to obtain an HDI-MDI compound prepolymer curing agent. The method mixes and pre-polymerizes MDI and HDI, integrates the excellent performance of the two, produces a series of polyurethane curing agents with wide application range, high strength, good yellow-changing resistance, high curing speed, low toxicity, good storage stability and high solid content and has simple production technique.

The invention discloses omega formula olive blending oil. The omega formula olive blending oil is characterized in that the olive blending oil is composed of following raw materials in percentage by weight: 20%-75% of olive oil, 15%-75% of a first blending raw material and 2%-50% of a second blending raw material, wherein the first blending raw material is selected from one or any combination of corn germ oil, peanut oil, sunflower seed oil, sesame oil, cottonseed oil, safflower oil, safflower seed oil, corn oil, soybean oil and canola oil; the second blending raw material is selected from one or any combination of seal oil, algal oil, rice bran oil, linseed oil, flax stem oil, flaxseed oil, grape seed oil, camellia oil, rapeseed oil, colleseed oil, walnut oil, zanthoxylum oil, perilla oil and deep sea fish oil.

The invention provides a plant fiber polypropylene composite material and a preparation method thereof. The raw material components (by weight) include 50-80 parts of plant fiber, 18-50 parts of polypropylene, 1-10 parts of inorganic filler, and 1 part of grafted maleic anhydride. ~10, antioxidant 1010: 0.1~2, other additives 3~10. The preparation method is to place the prepared raw materials of each component in a high-speed mixer in a solid state and mix them evenly, then add them to the barrel of a twin-screw extruder, melt and blend them at a temperature of 175-200°C, and then pass Extruded from the die mouth, water-cooled and shaped, then pulled and cut to length, the finished product can be produced. The present invention greatly increases the proportion of plant fibers, greatly reduces the raw material cost of the composite material, further reduces the production cost because no granulation process is required, and can meet the requirements of materials for different purposes by adjusting the ratio of plant fibers and polypropylene .

The invention discloses a high-hardness AlTiN/AlTiSiN multi-layer nano composite coating and a preparation process thereof, and belong to the technical field of composite coating preparation. The AlTiN/AlTiSiN film multi-layer nano composite coating is formed by overlaying an AlTiN layer and an AlTiSiN layer in a mutual alternated mode, the coating modulation period is 150-1000 nm, and the periodnumber is larger than to equal to 2. The composite coating is prepared by adopting an electric arc ion plating technology, and the preparation process comprises the following steps that a metal Ti target, an AlTi target and an AlTiSi target are selected, after glow cleaning and bombarding cleaning, a TiN transition layer is firstly deposited, finally nitrogen is introduced as a reaction gas, and the AlTi target and the AlTiSi target are alternately opened to deposit the composite coating according to the set modulation period. The prepared coating by using the preparation process is compact inorganizational structure, strong in binding force between the coating and a base body, high in hardness and strength and good in wear resistance.

The invention relates to a relief painting and the production method, in particular to a plastic relief painting and the production method. The plastic relief painting is an artifact pressed from the PVC plate through a hydraulic method, which has exactly the same artistic effect with the existing wood relief painting. The plastic relief painting has the following production method that the engraving process is designed with the production of template, the heating of the PVC plate, the hydraulic press of the PVC plate, the cooling of the PVC plate, the edge cutting and trimming, the bonding of the flat plate, the color painting, the gold plating and the packaging. From the artistic effect perspective, this invention is not less than the wood relief painting. From the application perspective, with large quantities of the hydraulic products and low cost, the extensive demands in the community can be met.

The invention provides a detection device for detecting the impurity in milk and a detection method thereof; the detection device comprises at least a conductivity detection unit, at least a temperature detection unit, at least a data processing unit and at least a display unit; the data processing unit can compare a measured conductivity value under a temperature value with the stored standard conductivity value to obtain a deviation value; when the deviation value is greater than the pre-stored deviation reference value, the data processing unit sends a first signal to the display unit; and when the deviation value is less than the deviation reference value, the data processing unit sends a second signal to the display unit. The device can simultaneously carry out automated inspection and monitoring on a plurality of production lines and various impurities, so as to effectively reduce the inspection time and manpower input; therefore, the device can be used for rapid online qualitative detection.

The invention discloses a weaving method for a woven handle of a handbag. The weaving method comprises the following steps: 1) selecting strips with same width to wrap a core bar and tightly tying a wrapping part, wherein the number of the strips is even and more than four; 2) respectively crossing and covering the two adjacent strips around the core bar, crossing and rounding to weave a main part of cylindrical woven handle; and 3) after weaving, tightly tying strips heads, and cutting spare strips heads to obtain the woven handle. The weaving method disclosed by the invention is simple to operate, and the obtained cylindrical handle of the handbag has unique style and stereoscopic impression, and not only has esthetic appearance and high bearing load, but also is durable in use and resistant to deformation, and can meet more extensive needs of customers.

The invention concretely discloses a dandelion green tea and a making method thereof. The dandelion green tea is made by using young dandelion leaves as a basic raw material through cleaning, blanching, cooling, drying and packaging processes; and the dandelion green tea product is produced through uniformly mixing dried dandelion with green tea according to a weight ratio of 2:(0.3-0.7). The dandelion tea is crushed to form powder, and the powder is sterilized, sub-packaged and packaged to obtain a dandelion green tea teabag product. The method well overcomes the shortages of bitter taste, turbid boiling soup and heavy parched taste caused by high temperature stir-frying of the dandelion in the prior art, and improves the quality of the dandelion tea; and a tea soup formed by boiling thedandelion green tea produced in the invention has a dark green color, is clear and transparent, has delicate fragrance smell, and has no peculiar smell. The making method of the dandelion green tea has the advantages of simplicity, easiness in operation, energy saving, environmental protection, and realization of factory production, and meets people's wide demands for the dandelion tea.

The invention discloses a multi-track rotor type internal combustion engine which is formed by combining a stator, a rotor, a main shaft, a front end cap, a back end cap and the like. The stator is provided with an inwards-concave or outwards-convex sliding way surrounding the main shaft, the sliding way is formed by combining an inner sliding rail and an outer sliding rail, and a path line of the sliding way is a special curve; air cylinders and pistons are installed on the rotor, the center line of each air cylinder is vertical to the center line of the main shaft, and an appropriate distance is kept between the center line of each air cylinder and the center line of the main shaft; a 90-degree angle is formed between the center line of the air cylinder at the front end and the center line of the air cylinder at the back end, when the internal combustion engine works, one air cylinder in the four air cylinders work when the rotor rotates by 90 degrees, and action is down four times when rotation by a circle is done; the front end cap and the back end cap are each provided with an exhaust passage, a scavenging hole and an inlet passage, compressed gas rapidly blows out residual gas in the air cylinders along the exhaust passages through the scavenging holes when exhausting is to be finished; the main shaft is provided with cooling water, lubricating oil and electric power channels to achieve cooling, lubrication and electric power transmission. The multi-track rotor type internal combustion engine is simple in structure, stable in running, large in torque, high in power and wide in application scope.

The invention relates to a method for synthesizing zinc citrate trihydrate. The method comprises the following steps: adding citric acid and deionized water into a reaction kettle, and stirring and heating to the temperature of 55-65 DEG C; adding a zinc compound, adding a catalyst and aids after the zinc compound is completely added, stirring, heating, and reacting; centrifuging and filtering after the reaction is ended, sequentially washing and performing absolute ethyl alcohol washing on the obtained solids; and finally, fully performing vacuum drying, thereby obtaining the zinc citrate trihydrate. According to the method, a complex reaction system with specific catalyst and aids is adopted, rapid and high-yield preparation of the target product is realized by virtue of dual effects of the micro-hole reaction environment and assistant catalysis, and the method has very obvious technical effects and achieves wide industrial application prospects and market potentials.

The invention discloses a glass flush door and a production method thereof. The glass flush door comprises a rectangular door frame consisting of an upper door frame baffle (2), a lower door frame baffle (6), a lock door side (4) and a hinge door side (5), wherein one surface of toughened glass (3) is stuck on the door frame; the height of the other surface, opposite to the sticking surface, of the toughened glass (3) is the same as that of the door frame; and an upper door pin (1) is arranged at one end of the hinge door side (5), and a lower door pin (7) is arranged at the other end of the hinge door side. The door frame of the glass flush door is formed by welding the upper door frame baffle, the lower door frame baffle, the lock door side and the hinge door side, and the toughened glass is stuck on the door frame finally, thus the door frame can be formed by welding a sheet through a metal plate technology according to different sizes required by a customer, and the glass is fixed on the door frame by sticking. The novel glass door can be made into a protruding door or flush door according to actual need, thereby meeting wider needs of customers.

The invention discloses a fiber enhanced rib-containing composite plate which comprises at least one backing material layer and at least one surface material layer, wherein the backing material layer and the surface material layer are formed by laying a paste material; the paste material comprises the following components in parts by weight: 40-60 parts of quartz powder, 15-25 parts of cement, 15-25 parts of quick lime and 5-10 parts of paper fibers, wherein the specific ratio and the thickness of each layer are adjusted according to a requirement on the material; a rib mesh layer is laid between each backing material layer and the corresponding surface material layer or between every two adjacent backing material layers or between every two adjacent surface layers. The fiber enhanced rib-containing composite plate is high in bending strength and fracture resistance and can be used for manufacturing a roof panel, an attic plate with other parts with a high requirement on bending strength; more than two materials can be used so as to meet more requirements through different characteristics of the materials, for example, a soft bottom layer is connected with wood, and a hard surface layer has pressure-resistant and abrasion-resistant properties, so that a tabletop and a cabinet can be manufactured.

The invention discloses a door lock with a replaceable shell. The door lock comprises a front panel, a rear panel and a lock body, wherein the lock body is assembled between the front panel and the rear panel, the front panel is provided with a front panel shell with the shape and the structure matched with those of the front panel, and the rear panel is provided with a rear panel shell with the shape and the structure matched with those of the rear panel. In addition, a plurality of functional through holes can be formed in the front panel shell and the rear panel shell, and various color patterns and electronic display screens can be set. As the front panel shell and the rear panel shell are mounted on the front panel and the rear panel of the door lock respectively, high-pollution and high-energy-consumption electroplating technology in the manufacturing process of the front panel and the rear panel of the door lock can be avoided, cost can be saved, and adaptability of the door lock and a door is improved.