37results about How to "Solve compound problems" patented technology

The invention relates to a macroporous strong alkaline carbon nanotube composite ion exchange resin and a preparation method thereof, and aims to solve problems of weak heat resistance and weak swelling resistance of an ion exchange resin in a prior art. The macroporous strong alkaline carbon nanotube composite ion exchange resin comprises the following components: (1) 40-65% of monomer; (2) 3-10% of copolymerization monomer; (3) 0.1-10% of nano material; and (4) 0.1-2% of initiator. The monomer is at least one selected from p-chloromethyl styrene, 4-(3-chloropropyl) styrene, 4-(3-bromopropyl) styrene, 4-(4-chlorobutyl) styrene, 4-(4-brombutyl) styrene, 4-(5-chloroamyl) styrene and 4-(5-bromoamyl) styrene; the copolymerization monomer is at least one selected from EGDMA, dipropenyl benzene, divinyl phenyl methane and divinyl benzene; the nano material is at least one selected from multi-wall carbon nanotube, single arm carbon nanotube and fullerene of C60 or C70; the initiator is at least one selected from benzoyl peroxide, azodiisobutyronitrile, lauroyl peroxide and cumyl hydroperoxide. The invention also provides a preparation method of the macroporous strong alkaline carbon nanotube composite ion exchange resin. The above technical scheme well solves the problems and can be applied to industrial production of ethylene oxide catalytic hydration.

The invention relates to a strong-basicity ternary composite metal-graphene-ion exchange resin material and a preparing method thereof to mainly solve the problems that in the prior art, strong-basicity ion exchange resin is poor in heat resistance and swelling resistance and likely to be decomposed and deactivated when heated in the application process. The strong-basicity ternary composite metal-graphene-ion exchange resin material is prepared from, by weight, 75-90% of polymerized monomers, 5-15% of copolymer monomers, 0.1-10% of graphene, 0.1-1% of metal particle components and 0.1-10% of an initiator. According to the technical scheme, the problems are well solved, and the strong-basicity ternary composite metal-graphene-ion exchange resin material can be used for industrial production of strong-basicity composite ion exchange resin materials.

The invention relates to an inorganic conditioning and pin screw machine based integrated sludge deep dehydration treatment process. The process comprises the steps such as primary dehydration, deep dehydration, dehydrated sludge delivery and the like; the moisture content in the sludge is reduced from 99.7% to less than 60% once in two stages by only adopting medication modifying and pin screw machine filter pressing ways instead of depending on any external conditions such as thermal energy and the like. In the whole operation process, no smoke, odor and noise are generated, no external thermal sources are needed, no secondary pollution is caused, the clean production can be realized, and more importantly, an operable approach is provided for waste sludge recycling, so that the process has very important significance in handling a large-area and large-quantity sludge treatment situation on both economic and social benefits.

The invention relates to a ZnO-mixed cathode buffer layer-based organic solar battery. An inversion structure is adopted by the organic solar battery; the organic solar battery comprises a substrate layer, a transparent conductive cathode layer, a cathode buffer layer, a photoactive layer, an anode buffer layer and a metal anode layer which are sequentially arranged from bottom to top; and the cathode buffer layer is a solid thin film which is formed by mixing a ZnO nano-particle dispersion liquid and a ZnO precursor solution prepared through a sol-gel method at a ratio and carrying out thermal annealing. The invention further discloses a preparation method of the battery. The cathode buffer layer is prepared through mixing a certain amount of ZnO precursor solution prepared through the sol-gel method into the large-particle size ZnO nano-particle dispersion liquid, and gaps among ZnO nano-particles can be filled while relatively large contact area of the cathode buffer layer and the photoactive layer is ensured, so that the defect of the cathode buffer layer is reduced and the photoelectric conversion efficiency of a device is effectively improved.

The invention is about the wearing allumen material and its preparation. The material based on the allumen with the Si, tellurium or lanthanum. Anthesis Si is distributed in the allumen uniformly. The micromorphic of the Si phase is the nodular cracked polycrystal. The weight content of the composition is Al 40-50%, tellurium or lanthanum 0.02-0.05%, Si 1.0-3.0%, the residue is Zn; the hardness of the alloy in the room temperature is HB130-150. The alloy needn't the applied ceramic intensify particle.

The invention relates to a metal-based composite reinforcement phase casting technique. The casting technique comprises the steps of infiltrating and combining reinforcement phase metal in a quick-wearing part of a metal part, mixing and pressing reinforcement phase metal particles, powder and a binding agent into pellets, pre-sintering the pellets, fixing the pellets on the surface of the metal part, casting liquid metal on the pellets, infiltrating molten metal to the pellets to soak and combine with the reinforcement phase metal by virtue of static pressure and capillary force, and forming metal and a reinforcement phase composite layer when a casting is formed. The casting process provided by the invention is convenient in production process and low in cost; furthermore, the infiltration and combination between the prefabricate pellets and a casting body can be solved, therefore the pellets and a matrix are fused together without any obvious limit.

The invention belongs to a compound medicine administration method in the field of medical equipment. According to the compound medicine administration method, various liquid medicines are enabled to be packaged inside a capsule, the capsule is put into a needle cylinder, a pushing plug is installed in the needle cylinder, a pushing plate is installed inside the pushing plug, the pushing plate is fixed by a bolt, a pull ring is connected with one end of the bolt, a spring is installed between the pushing plate and the bottom of the pushing plug; a needle head is installed on the bottom of the needle cylinder, a hollow portion of the needle is a needle passage, one end of the needle head is inserted into the needle cylinder to serve as an inner needle head, the other end of the needle head servers as an injection needle head; a needle passage of the inner needle head is in a straight-through shape, or in a cross shape, or in a T shape; when medicines are administrated, the bolt is pulled out through the pull ring; under the function of the spring, the capsule is pressed by the pushing plate, the inner needle head is enabled to penetrate all capsules in sequence, and the liquid medicines flow into subcutaneous tissues or muscle. The compound medicine administration method is capable of completing multi-medicine injection processes at one time, ration is accurate, instruments are convenient to carry, operation is simple, the problem of mixing of a plurality of emergency treatment medicines is effectively resolved, and the compound medicine administration method is especially suitable for occasions of self-saving and mutual saving of wounded people.

The invention relates to a production device of an elasticity-adjustable gauze-fabric composite fabric. The production device comprises a spandex yarn unwinding roller used for unwinding spandex yarns, a non-woven fabric unwinding roller used for unwinding non-woven fabric, a gauze unwinding roller used for unwinding gauze and a composite fabric winding roller used for winding the composite fabriccoming out of a drying drum. An anilox gluing roller is immersed into a glue tray, the non-woven fabric unwinding roller is arranged at a feeding port of the anilox gluing roller, and the anilox gluing roller uniformly transfers glue in the glue tray to coat the surface of passing non-woven fabric with the glue; a yarn dividing needle plate is arranged in the discharging conveying direction of the spandex yarn unwinding roller, and unwound spandex yarns are evenly separated and then compounded on the non-woven fabric glue surface coated with the glue; and the gauze unwinding roller is arranged at the front end of a feeding port of the drying drum, and the drying drum is used for compounding entered gauze and the non-woven fabric glue surface with spandex yarns to form the elasticity-adjustable gauze-fabric composite fabric. The composite fabric with excellent stability in elasticity and composite firmness is produced, and thus the requirements of different people are met.

The invention discloses an organic photoelectric detector based on a mixed hole transport layer. The organic photoelectric detector comprises a substrate, a conductive cathode, an electron transfer layer, an optical activity layer, a hole transport layer and a metal anode which are sequentially arranged from bottom to top, wherein the hole transport layer is formed by mixing MoO3 and chitosan andcarrying out vacuum evaporation; and the mass ratio of MoO3 to chitosan is 1: (0.03-0.2). The invention discloses a preparation method of the detector; the chitosan is doped in the MoO3 hole transportlayer, the migration rate of a hole can be filled while the hole transport layer and the optical activity layer are relatively large in contact area, the composite loss of the hole in the transport process is reduced, the hole can be more effectively transported, the carrier recombination rate is reduced, the dark current is reduced while the photocurrent is increased, and the overall performanceof the device is finally improved.

The invention provides an rGO/silver silicate composite and a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. By the combination of rGO andAg10Si4O13, a composite photocatalyst with smaller particle size (about 25 nm) and more uniform grain distribution is successfully prepared. At the same time, because of the excellent conductivity ofrGO, rGO can rapidly transfer photo-generated carriers produced by Ag10Si4O13 to the surface after being combined with Ag10Si4O13; the combination problem of the photo-generated carriers can be overcome, the photocatalytic efficiency is improved, the photo-corrosion problem caused by the enrichment of photo-generated electrons on the surface of Ag10Si4O13 can be avoided, and the stability of the Ag10Si4O13 material is improved. The material can be well applied to photocatalytic degradation of pollutants.

The invention discloses a petal-shaped perylenetetracarboxylic acid zinc supramolecular assembly photocatalytic material and a preparation method thereof. According to the method, the perylene material is regularly arranged in the skeleton of the supramolecular assembly, the problem of high photogenerated charge recombination rate caused by molecular aggregation of the perylene material is solved,the method does not need to perform complex pretreatment work on the perylene material, and the method is simple and convenient to operate, mild in reaction condition, low in production cost and capable of realizing large-scale preparation. The petal-shaped perylenetetracarboxylic acid zinc supramolecular assembly photocatalytic material synthesized by the method can be used for degrading organicpollutants and catalyzing polymerization of acrylate monomers by utilizing 200-1200nm photocatalysis, and has huge potential in the aspects of environmental treatment and energy utilization.

The invention provides a homojunction charge transfer film for the perovskite solar cell. The film is applied to the perovskite solar cell, and the photoelectric property of a device can be remarkably improved. Charge transport materials with different impurity concentrations are deposited on a substrate layer by layer by adopting a spin coating method, a spraying method or an atomic layer deposition method and the like, and a built-in electric field beneficial to carrier transport can be generated in the charge transport film by regulating and controlling the impurity concentrations, so that separation and transport of carriers on a perovskite/charge transport film interface are accelerated, and the performance of the perovskite cell device is improved. Compared with a charge transport film with a traditional structure for a perovskite battery, the film has the advantages that a built-in electric field beneficial to carrier transport can be generated in the film, so that interface carrier recombination is reduced, and the battery performance is improved.

The invention relates to low-viscosity thermosetting polyimide resin as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The technical problems that in the prior art, thermosetting polyimide resin is large in viscosity, poor in manufacturability, limited in application and the like are solved. The structural formula of the low-viscosity thermosetting polyimide resin is shown as a formula I in the specification. The thermosetting polyimide resin has the advantage of low melt viscosity, and can be well combined with reinforcing fibers. Meanwhile, the thermosetting polyimide resin has good heat resistance and has a wide application prospect in the field of high-temperature-resistant fiber composite materials. The thermosetting polyimide resin disclosed by the invention is reasonable in synthetic route, simple in process and easily available in raw materials, and has important popularization and application values.

The invention discloses a ceramic high manganese steel composite wear-resistant part casting method. The ceramic high manganese steel composite wear-resistant part casting method comprises the steps that ceramic powder is used for manufacturing ceramic particles which meet specifications; the ceramic particles and manganese steel powder are mixed by a binder to form a manganese steel powder-ceramic particle mixture; the manganese steel powder-ceramic particle mixture fills and is compacted into a predetermined mold for drying treatment, and ceramic core blocks are obtained; a wear-resistant part mold is filled with a predetermined number of ceramic core blocks, and high manganese steel metal liquid is casted into the wear-resistant part mold; and a casting in the wear-resistant part mold after the high-manganese steel metal liquid is injected is taken out for water toughening, and a ceramic high manganese steel composite wear-resistant part is obtained. The ceramic high manganese steelcomposite wear-resistant part casting method ensures the density of the ceramic core blocks in the compacted state by bonding the ceramic particles with the manganese steel powder with the same or similar specifications, and further, the high manganese steel molten metal is injected between the ceramic core blocks, the outer surfaces of the ceramic core blocks and through holes in the ceramic core blocks to ensure the wear resistance of the ceramic high manganese steel composite wear-resistant part after water toughening.