121results about How to "Solve binding problems" patented technology

The present invention provides one kind of composite antistatic carbon nanotube/polypropylene material and its preparation process. The composite antistatic carbon nanotube/polypropylene material has carbon nanotube as main antistatic modifying material and polypropylene as main modified target. The composite antistatic carbon nanotube/polypropylene material has both excellent antistatic performance and excellent mechanical performance.

The invention discloses a groove carrying-type coating decomposable drug eluting stent, which comprises a stent main body and a drug coating, wherein the outer surface of the stent main body is provided with a drug-borne groove, the drug coating is coated in the drug-borne groove, and the drug coating comprises a biological decomposable polymer and an active drug. The drug eluting stent not only solves the combination problem between the coating and the stent, and improves the validity and the safety of the drug stent in the operation and application process, but also solves the restenosis and the late thrombosis inside the stent.

The invention provides a method for performing induced synthesis on a stable MOFs (metal-organic frameworks) membrane by implanting homologous metal oxide particles into the surface of a macroporous carrier by virtue of a simple swabbing process, belonging to the field of new materials, and relating to a method for preparing the corresponding stable MOFs membrane by swabbing homologous metal oxide powder, introducing a growth crystal seed and a fixed connecting point for synthesizing the MOFs membrane on the surface of the macroporous carrier, and then performing induced growth. The method is characterized by comprising the following steps: introducing the homologous metal oxide powder into the surface of a macroporous plate-type or tubular carrier in advance by using the simple swabbing process, and then performing solvothermal growth to prepare continuous and dense MOFs membranes. The method provided by the invention has the effects and advantages that a universal method for preparing the MOFs membrane by using the macroporous carrier is provided, and the method is simple to operate in a preparation process, is high in repeatability and good in membrane stability, is suitable for amplified large-scale application, and has important industrial application values.

The invention relates to a plywood formwork and a manufacturing method of the plywood formwork, in particular to a wood plastic composite material cladding plywood formwork and a manufacturing method of the wood plastic composite material cladding plywood formwork. The wood plastic composite material cladding plywood formwork aims to solves the problems that a wood plywood formwork manufactured in the prior art is low in intensity and poor in durability. The wood plastic composite material cladding plywood formwork is formed by a wood plastic sheet, an improved non-woven fabric and core-layer plywood in a manufactured mode. The manufacturing method comprises the steps that the wood plastic sheet is manufactured; the non-woven fabric is improved; the core-layer plywood is manufactured; pavement is carried out; the formwork is formed. The wood plastic composite material cladding plywood formwork is low in manufacturing cost, high in intensity, good in toughness, long in service life, resistant to moisture and corrosion, stainless, bright, clean and flat in surface, light in weight, and convenient to transport and construct, a die does not swell easily, and the die is released easily. The wood plastic composite material cladding plywood formwork is used as a building formwork.

The invention relates to an anti-static modified material with carbon nanotubes (CNTs) predominantly and a process which is a thermal oxidation treatment with acid together with a ball grinding surface treatment to CNTs and comprises: adding maleic anhydride grafted polyethylene, coupling agents and EPT rubber to prepare the high concentration masterbatch of CNTs/PE anti-static composite material by solution blending and melt blending methods, mixturing the said masterbatch with common PE in a finite proportion to melt blend and prill, then getting the final CNTs/PE anti-static composite material. The electrical surface resistivity and volume resistivity can reach the operating requirements of the anti-static material when the content of CNTs is only 0.3 wt % in the CNTs/PE anti-static composite material in the invention.

The invention discloses a single-layer glazed transmutation brick and a preparation method thereof and relates to production of architectural ceramic glazed bricks. The method comprises the following steps: (1) preparation of green body slurry; (2) preparation of a glazing material; (3) forming and biscuit firing of a green body; (4) glazing of the green body; (5) firing of the transmutation brick. The glazed green body is fired in a kiln after drying and is subjected to a transmutation reaction through two times of temperature increasing and decreasing, and the single-layer glazed transmutation brick is obtained. The method has the advantages as follows: firstly, the problem about combination of the green body and glaze is solved, the product qualification rate is increased, and the method is suitable for large-scale production; secondly, a ground coat and cover glaze are combined into single glaze layer, a glazing process is simplified, color difference caused by different thickness of the ground coat and the cover glaze is avoided, and the brick can adapt to large-area paving for architectural decoration; thirdly, the firing temperature and firing time for the transmutation glaze are reduced, energy is saved, and consumption is reduced; fourthly, through optimization of a green body formula and a firing process, the brick is magnetized while is not hardened too much, and construction cutting is facilitated.

The invention discloses a method for optimally selecting a shale gas horizontal well clustering perforation well section by utilizing logging data. The method comprises the following steps of: a, building a horizontal well geological model by utilizing logging information and seismic data, and recognizing a shale reservoir; b, calculating quality key parameters of a shale gas reservoir by utilizing the recognition result to work out the quality of the shale gas reservoir; c, calculating well completion quality key parameters of the shale gas reservoir by utilizing the recognition result to work out the well completion quality of the shale gas reservoir; d, working out the comprehensive quality of the reservoir according to the shale gas reservoir quality and the well completion quality; and e, building a grading evaluation standard by combining the comprehensive quality of a shale gas well reservoir and the geological model so as to optimally select the clustering perforation well section. The method has the advantages that the quality of a shale gas stratum reservoir, the well completion quality and the geological model are combined, and the optimal selection of the clustering perforation well section is realized.

The invention discloses an unmanned boat collision avoidance path planning method based on an obstacle condition of a track unit; the method comprises the following steps of 1) determining the starting point and the ending point of the movement path of the unmanned boat; 2) determining a real-time path point and a heading angle of the unmanned boat; 3) according to the real-time path point and theheading angle of the unmanned plane, a movement track unit of the unmanned boat and a path point of the obstacle, solving reachable path points; 4) performing path cost calculation on all the reachable path points, and obtaining the position of the next path point and the corresponding heading angle; and 5) judging whether the path point is the terminal point of the movement path or not, if so, outputting the final path; or otherwise, taking the path point and the corresponding heading angle as the real-time path point and the heading angle of the unmanned boat, and turning to the step 2). According to the method, the unmanned boat track unit model is established, so that the planned route is closer to the actual sailing requirement in an actual sailing process, and autonomous obstacle avoidance can be achieved.

The invention relates to a preparation method of a composite alloy coating on a tantalum-tungsten alloy. The preparation method comprises the following steps of 1, MoSi2 coating slurry preparation, 2, MoSi2 coating high-temperature sintering, 3, Hf-Ta alloy coating slurry preparation, and 4, Hf-Ta alloy composite coating sintering. According to the preparation method, the product surface is spray-coated with the prepared MoSi2 coating as a transition layer, and the surface of the transition layer is spray-coated with an Hf-Ta alloy coating. The preparation method solves the problem of Hf-Ta alloy coating and base material bonding and tantalum-tungsten alloy high-temperature oxidation. The prepared composite alloy coating is uniform and compact, has no defects such as holes and cracks and has good oxidation resistance.

The invention discloses an azacyclic transition metal zinc complex containing multiple coordination sites, and a preparation method and application of the azacyclic transition metal zinc complex. The azacyclic transition metal zinc complex is a 1-(benzotriazole-1-methyl)-1-(2-ethyl imidazole) zinc complex, and has a molecular formula of [Zn (SCN) 2(C12H13N5)2]. The azacyclic transition metal zinc complex, namely, the 1-(benzotriazole-1-methyl)-1-(2-ethyl imidazole) zinc complex provided by the invention has a higher inhibiting effect for alpha-amylase, and the inhibiting effect of the 1-(benzotriazole-1-methyl)-1-(2-ethyl imidazole) zinc complex is much higher than that of singly-used 1-(benzotriazole-1-methyl)-1-(2-ethyl imidazole) or transition metal salt for the alpha-amylase and is higher than that of commonly-used hypoglycemic agent acarbose for the alpha-amylase. Therefore, the azacyclic transition metal zinc complex is proved to have a good hypoglycemic effect so as to be effectively used for preparing medicines for treating diabetes mellitus, and is an innovation in the aspect of medicines for treating the diabetes mellitus.

The invention relates to a glass imbedded mold injection molding method and a product thereof. The method comprises the following steps: 1, making a glass substrate comprising a bottom surface, a top surface and side surfaces connecting the bottom surface with the top surface; 2, coating the side surfaces of the glass substrate with a thermoplastic elastomer; 3, imbedding the thermoplastic elastomer coated glass substrate in an injection mold; 4, carrying out injection molding of a structural member on the glass substrate; and 5, taking out the obtained injection-molded product. The product is generated after processing through the glass imbedded mold injection molding method.

The invention discloses a glass fiber and carbon fiber composite core for a wire of a transmission line, which is characterized by consisting of 50 to 55 percent of carbon fibers, 10 to 15 percent of glass fibers and 30 to 40 percent of resin and auxiliary materials. Carbon fiber yarns pass through fibers-converging stander to be converged into a rounded body to be drawn outward; glass fibers cover the carbon fiber rounded body from a plurality of layers of creels and are drawn outward; and the carbon fiber rounded body covered by glass fiber yearns is synchronously drawn outward to pass through a mould. A well-stirred resin raw material can be poured into a resin storage tank 5 after being sieved by an 80 mesh sieve. The temperatures of a curing region and a forming region in the heating mould are set to be 200+/-10 DEG C and 140+/-10 DEG C respectively, and the heating mould is electrically heated. A heating system of an extruder is started, and the temperatures of heating areas are adjusted according to process requirements. The class fiber and carbon fiber composite core can well solve the problem of the combination of a thermosetting process and a thermoplastic process, thereby achieving excellent product quality and fulfilling a preset technical solution target.

The invention discloses an aramid-carbon fiber composite core used for overhead power transmission lines, which is characterized in that: the aramid-carbon fiber composite core consists of 50 percent to 55 percent of carbon fiber, 10 percent to 15 percent of aramid fiber, 30 percent to 40 percent of resin and auxiliary materials; carbon fiber tows are centralized into a sphere by a centralizing rack and then pulled out; the aramid fiber is pulled out from a multi-layer yarn creel in a manner of wrapping the carbon fiber sphere; the carbon fiber sphere which is wrapped by the aramid fiber yarn is pulled out in synchronization with aramid fiber yarn and go through a die; stirred resin raw materials are filtered by a 80-mesh wire screen and poured into a resin groove 5; the temperature of a curing area used for heating the die and the temperature of a molding area are respectively set as 200 plus or minus 10 DEG C and 140 plus or minus 10 DEG C; then the curing area and the molding area are electrified to heat the die; and a heating system of an extruder is started up to regulate the temperatures of different areas accordingly. The aramid-carbon fiber composite core can solve the problem of combining a thermosetting technology and a thermoplastic technology, thus obtaining comparatively high product quality and achieving the expected technical solving goal.

The invention discloses a process method for chopped fiber reinforced aerated concrete. A process for sequentially coating resin and inorganic compound particles on a fiber surface and adding coated chopped fibers and a dispersing agent into mixed slurry of autoclaved aerated concrete before the resin is cured is adopted, so that heat resistance and alkali resistance are improved, the bonding problem of the chopped fibers and a substrate and the dispersing problem of the chopped fibers are solved, and the reinforcing function of the chopped fibers can be brought into full play during high-temperature and high-pressure curing of the autoclaved aerated concrete. The aerated concrete reinforced by the method can keep the original light and heat preservation properties, and has the advantage of high intensity. By the reinforcing method, the formula of the original aerated concrete is not required to be changed; and the method is simple and practicable.

The present invention discloses an unmanned vehicle motion planning method based on a track unit. The method comprises the following steps of: 1) determining a starting point and a destination of an unmanned vehicle motion path; 2) determining a real-time path point and a heading angle where the unmanned vehicle is located; 3) obtaining reachable path points according to the real-time path point and the heading angle where the unmanned vehicle and the track unit of the unmanned vehicle motion; 4) performing path cost calculation for all the reachable path points to obtain the position of the next path point and a corresponding heading angle; and 5) determining whether the path point is a destination of a motion path or not, if yes, outputting a final path, or else, taking the path point and the corresponding heading angle as the real-time path point and the heading angle where the unmanned vehicle is located, and turning to the step 2). The method establishes an unmanned vehicle trackunit model and provides an unmanned vehicle motion planning algorithm based on the track unit to allow the planning path to be closer to the actual navigation requirement in the actual navigation process.

The invention discloses a continuously-variable transmission for a mechanical direct-drive hydraulic double-control tracked vehicle. According to the continuously variable transmission, a power input portion inputs power to an advance and retreat gear deceleration portion, the advance and retreat gear deceleration portion transmits power to a differential planetary transmission stepless speed change portion through an intermediate power transmission portion, then, the differential planetary transmission stepless speed change portion outputs the power to a drive transition deceleration transmission portion, and finally the power is transmitted to a left side caterpillar band drive portion and a right side caterpillar band drive portion, wherein an advance and retreat gear control portion is used for gear switching of the advance and retreat gear deceleration portion. Double self-locking type hydraulic motors are arranged in the differential planetary transmission stepless speed change portion, so that mechanical direct drive, hydraulic stepless speed regulation and steering control are achieved. When the double self-locking type hydraulic motors are in the same working state, the tracked vehicle achieves mechanical direct drive and hydraulic stepless speed regulation drive; when the double self-locking type hydraulic motors are not in the same working state, rotating speed difference happens between left side caterpillar band output wheels and right side caterpillar band output wheels, hydraulic control steering is achieved, transmission and steering of the tracked vehicle are integrated, operation is easy and convenient to perform, and the tracked vehicle is easy to drive.

The embodiment of the invention discloses an unmanned aerial vehicle long-distance tracking flight method and device, equipment and a storage medium. The method comprises the steps: acquiring a previous target path point and a path point queue that correspond to a previous moment of an unmanned aerial vehicle as well as a current flight position corresponding to a current moment; determining a current target path point corresponding to the current moment from the path point queue based on the current flight position; generating a local path of the unmanned aerial vehicle flying from the current flight position to the current target path point by combining a preset local planning algorithm based on a flight position information set of the unmanned aerial vehicle in historical time and the current flight position; and adding the local path to a previous global path corresponding to the previous moment to obtain a current global path corresponding to the current moment so as to enable theunmanned aerial vehicle to fly along the current global path. According to the embodiment of the invention, the unmanned aerial vehicle can fly along a preset trajectory by combing a local planning algorithm with a global path.

The invention discloses a viscose fiber cone yarn low-bath ratio dyeing method which is characterized in that a cone yarn with a density of 0.30-0.53 g/cm3 is adopted to be dyed in a dyeing machine according to an acidic degreasing process; a main pump circulation way of the dyeing machine is unidirectional operation of dye liquor from the inside of the cone yarn to the outside of the cone yarn, and the pressure difference between the dye liquor inside and outside the cone year is controlled to be between 1.0 bar and 3.0 bar. The viscose fiber cone yarn low-bath ratio dyeing method mainly solves the relevant problems of density, pressure difference, acidity and alkalinity in the cone yarn dyeing process, thereby meeting the process requirements of 1:3 ultra-low-bath ratio dyeing.

The invention discloses an ultra high molecular weight polyethylene and polyvinyl chloride composite pipe embedded with reinforced steel filaments and a manufacturing method thereof. The ultra high molecular weight polyethylene and polyvinyl chloride composite pipe is characterized in that: an inner layer is an ultra high molecular weight polyethylene pipe; an outer layer is a polyvinyl chloride pipe; the steel filaments are arranged between the inner layer and the outer layer; more than one fifth of the diameter of the steel filaments is embedded into the outer wall of the inner layer ultra high molecular weight polyethylene pipe, wherein the polyvinyl chloride outer wall is added with an impact modifier, a heat stabilizer, a lubricant and other PVC processing aids. The invention provides the ultra high molecular weight polyethylene and polyvinyl chloride composite pipe, which not only has the characteristics of wear resistance, corrosion resistance and difficult adhesion of the ultra high molecular weight polyethylene pipe, but also has the good performance of high strength and creep resistance of the reinforced polyvinyl chloride material; the inner and outer wall of the pipe are corrosion resistant; and the pipe is compounded by hot melting the ultra high molecular weight polyethylene inner pipe, the polyvinyl chloride outer wall and the embedded steel filaments, the combined strength of the three materials is greatly improved, and the problem of combination of different materials is radically solved when the three materials are firmly combined.

The invention discloses an integrated convenient embedded-type steam pot. The improved integrated convenient embedded-type steam pot comprises a steam component and a pot body arranged above the steam component. The steam component comprises a shell and a support sleeve arranged above the shell. The shell is internally divided into a main inner cavity and an auxiliary inner cavity by a first separation plate and a second separation plate. A steam generator connected with the pot body is arranged in the main inner cavity. The pot body is connected with the steam generator through a steam connection component. Steam is directly guided into the pot body to heat and cook food. The steam pot belongs to indirect-heating pots. Steam heating is uniform. The integrated convenient embedded-type steam pot has the advantages that nutrition unitization rate is high, original taste and flavor are kept, people do not get endogenous fire after eating the food cooked by the pot, fuel fume smell is avoided and the steam pot is clean, sanitary, healthy, environment-friendly, safe and practical. The integrated convenient embedded-type steam pot is mainly applied to cooking of steam pot food.

The invention aims to provide a simple and feasible method for modifying the polypropylene surface to obtain specific biocompatibility, namely surface anti-blocking property. The method comprises the following steps: 1) heating and melting the polypropylene material, and pressing into slices (PP) with the thickness being 0.33mm; 2) placing the polypropylene slices in dichloromethane or acetone, heating, refluxing and washing for 24h to remove all additives, and drying in a baking oven; 3) placing the polypropylene slices after the above treatment in chromic acid solution in which the ratio of CrO3 to H2SO4 to H2O is 1:1:2, oxidizing for a certain time under the heating condition, taking out the polypropylene slices, washing by deionized water and fully drying (expressed as PP-COOH); and 4) placing the polypropylene slices after oxidizing treatment in 85% L-lactate water solution, reacting for a certain time under the catalytic action of a certain catalyst, taking out the polypropylene slices subjected to the above graft polymerization treatment, fully washing by dichloromethane and drying to obtain the demestic novel Rutkow composite material with simple process and economy and practicability.

The invention relates to the technical field of LED light guiding bodies, and discloses a light guiding body structure. The light guiding body structure comprises a support and further comprises a light guiding body, the support is a metal support, the light guiding body is made of high-temperature materials, the metal support is inserted into a gel body forming the light guiding body, and the light guiding body structure with the light guiding body and the metal support integrally connected is formed. The invention further discloses a manufacturing method of the light guiding body structure. The manufacturing method comprises the steps of gel preparation, die strip installation, spraying and separation, gel pouring, support inserting, solidification, die separation and shearing. The metal support of the light guiding body structure enables the light guiding body and a connector shell body to be combined conveniently, due to the fact that high temperature resistant materials are adopted by the light guiding body, the phenomenon of fusing deformation cannot occur in the high temperature process that the light guiding body is heated, and therefore the quality of an LED is ensured, and the phenomenon of a dead lamp cannot occur.