42results about How to "No equipment required" patented technology

The invention relates to an ambient-pressure drying preparation method for mineral nanofiber aerogel. Nonmetallic mineral raw materials are purified and scattered, so that mineral nanofibers are acquired; the mineral nanofibers are scattered in a proper amount of water, a foaming agent, a bonder and the like are added, a mixture is fully and evenly stirred, and even colloidal sol containing a certain number of the nanofibers is acquired; the colloidal sol is converted into stable foam through physical foaming or chemical foaming or physical-chemical foaming; the foam is poured into a mold, ambient-pressure drying or ambient-pressure maintenance-drying is conducted, and therefore the mineral nanofiber aerogel is acquired. The prepared mineral nanofiber aerogel is simple in process, short in production period, high in controllability, low in equipment requirement and easy to industrially produce on a large scale. The prepared mineral nanofiber aerogel has the advantages of being controllable in shape, low in density and heat conductivity, good in mechanical property and the like.

The invention discloses a method for preparing SnS2 hexagonal nanosheets by a hydrothermal process. The method comprises the following steps: sequentially adding a reactant precursor sulfur compound, soluble tin salt, strong alkali and deionized water into a reaction kettle, stirring at room temperature until the reactants are dissolved, sealing the reaction kettle, putting the sealed reaction kettle into a vacuum drying oven, reacting at 180-240 DEG C for 12 hours-10 days, and naturally cooling to room temperature; and finally, washing the separated precipitate to obtain the SnS2 hexagonal nanosheets. The method is simple to operate, and has no requirements for equipment. Various solvents are environment-friendly, so no high-toxicity substance is generated; and the method is low in cost, and is suitable for commercial production.

The invention provides a HRCEA (hybrid of rules and compression-extensive algorithm)-based steel making-continuous casting production scheduling method for a special steel mill. In the scheduling method, model and algorithm parameters are obtained by analyzing a steel making-continuous casting production flow; according to a known production casting times plan, an initial production scheduling plan is worked out by adopting the HRCEA; and all subsequent furnace working plans are adjusted by using the HRCEA according to an established scheduling rule and fed-back real-time data so as to realize dynamic scheduling. According to the HRCEA-based steel making-continuous casting production scheduling method disclosed by the invention, with the aims of reasonably quickening production rhythms and shortening production process time, equipment conditions of the steel mill, produced steel grades and temperature requirements of the produced steel grades are considered; an executable production scheduling plan can be quickly worked out, thus schedulers are facilitated on adjusting the scheduling plan in real time; and the production scheduling of the steel making-continuous casting process is optimized.

The invention discloses a method for preparing high-purity vanadium pentoxide through sodium polyvanadate. The method includes the following steps that a, a sodium removal agent aqueous solution is prepared, wherein a sodium removal agent is at least one of ammonium carbonate, ammonium bicarbonate and ammonium oxalate; b, the finely grinded sodium polyvanadate is added to the sodium removal agent aqueous solution, filtering, washing and drying are carried out after the stirring reaction, and sodium-free sodium polyvanadate is obtained; c, the high-purity vanadium pentoxide is obtained after the sodium-free sodium polyvanadate is calcinated. The process of removing sodium through one step is adopted, the removal rate of sodion in the sodium polyvanadate reaches about 99%, sodion content of vanadium pentoxide obtained through later preparation is very low, yield of vanadium also reaches more than 99%, and the problem that prepared vanadium pentoxide is not high in purity due to the fact that the sodium content in sodium polyvanadate obtained after hydrolysis of vanadium precipitation exceeds the standard is solved.

The invention discloses a preparation method of an S-(-)-Nadifloxacin. 3, 4-difluoro-acetbromanilide is taken as initial material to be synthesized by quinoline, and hydrogenated to directly split out an optical active midbody, then is formed into a ring by oxymethylene, protected by carboxyl, condensed by 4-hydroxy piperidine and finally deprotected and hydrolyzed; the S-(-)-Nadifloxacin is used for reacting with the alkali allowed in medicine to prepare S-(-)-Nadifloxacin water-soluble salt; compared with the prior arts of synthesizing and splitting the Nadifloxacin, the materials of the invention are cheap and easily obtained; the reaction is mild; the yield of the splitting technique is stable; the optical purity is high; a splitting agent can be circularly used; the preparation method of the invention is suitable for industrialization production; the S-(-)-Nadifloxacin water-soluble salt is used in clinic; the antibiotic activity is greatly improved; the toxic and side effects are reduced; and simultaneously the increasing of the water-solubility even enlarges the application of the medicament forms.

The invention relates to a slow release type chlorine dioxide solid disinfectant and a preparation method thereof. The slow release type chlorine dioxide solid disinfectant is composed of a component A, a component B and a double-layer slow release device. The component A comprises chlorine dioxide parent, a reducing agent, a filling agent, a stabilizer and a slow release carrier. The component B comprises acid solution. The component A is placed in the double-layer slow release device, and the component B is independently packaged. The preparation method is simple, and the slow release type chlorine dioxide solid disinfectant is suitable for industrial large-scale production, convenient to use, easy to store and long in guarantee period and has good application prospects in the fields such as home furnishing, environmental protection and health defence. The slow release type chlorine dioxide solid disinfectant can be used for deodorization and disinfection of a refrigerator, a toilet, a shoe cabinet, a storage room and the inside of a vehicle and the like.

The invention relates to an FPGA (Field Programmable Gate Array)-based transistor feature real-time measuring controller, comprising a microprocessor interface module, a measuring circuit interface module, a measuring process control module, a measuring parameter register set module, a measuring excitation generating module, a waveform cutting module and a measuring result caching module. The FPGA measuring controller is connected with a bus at a microprocessor end through the microprocessor interface module and is connected with a bus at an external measuring circuit end through the measuring circuit interface module; the measuring parameter register set module is used for storing the measuring parameter of the measuring controller and indicating the current measuring state; the measuring excitation generating module is used for generating digital excitation signals in accordance with the measuring process output by the measuring controller required by the measuring circuit; the waveform cutting module is used for measuring timing control; the measuring result caching module is used for preserving the measuring result of the measuring circuit; and the measuring process control module is used for coordinating operation of the modules and the measuring circuit to control ordered operation of the whole measuring process.

The invention relates to a method for synthesizing a solar battery material SnS nanocrystal under the conditions of high temperature and liquid phase by a non-injection method. The method comprises the following steps of: adding stannum diethyl dithiocarbamate into an organic solvent with stirring; stirring uniformly; under the protection of nitrogen, slowing heating the solution to 300 to 360 DEG C; reacting for 10 to 60 minutes under the condition of preserving the heat; naturally cooling to room temperature to obtain SnS precipitate; and washing and separating the obtained SnS precipitate to obtain the solar battery material SnS nanocrystal. The synthesis method is simple in operation; no equipment requirements exist; all the used solvents are environment-friendly and high-toxicity substances are not generated; a new method is provided for preparing a high-efficiency and low-price film solar battery; the obtained SnS nanocrystal can be prepared into 'nanocrystal ink', is used for assembling the solar battery and is easy in mass production.

The invention relates to a novel connection method of ceramic bodies. The connection method comprises the following steps: pouring a first ceramic slurry containing first ceramic powder, a first water-soluble maleic polymer and water into a mold, and performing in-situ solidification and ageing, thereby preparing a first ceramic body in the form of ceramic gel; pouring a second ceramic slurry containing second ceramic powder, a second water-soluble maleic polymer and water into a mold and performing in-situ solidification and ageing, thereby preparing a second ceramic body in the form of ceramic gel; and performing surface flatness treatment on connecting surfaces of the prepared first ceramic body and second ceramic body, and directly connecting end to end to ensure that the first ceramic body is connected with the second ceramic body. By adopting the novel connection method disclosed by the invention, the ceramic gels can be connected by only using bonding effects of water-soluble maleic organic molecules in the ceramic gels under the condition that any binding agent is not used.

The invention relates to a biological fermentation preparation method for flavored pigskin. The biological fermentation preparation method comprises the following steps: sterilizing a byproduct, namely pigskin of the pork industry, then performing micro-point roughening treatment of mixed protease on the surface of the pigskin, adding a carbon source and a nitrogen source required by fermentation,inoculating mucor racemosus XH-22, bacillus subtilis and aspergillus oryzae, and performing mixed solid-state fermentation, after surface hyphae are removed, inoculating yeast, the mucor racemosus XH-22 and the aspergillus oryzae, carrying out compensation fermentation on the pigskin, and subjecting a fermentation product to flavoring, drying and dehydration so as to obtain a product, namely fermented flavored pigskin. The flavored fermented pigskin produced by using the method provided by the invention has the following advantages: the production process is environmentally-friendly, simple,convenient, economical and practical; the difficulties of a conventional method in industrial production is overcome; meanwhile, the deficiencies of a conventional product in the aspects of nutritionand flavor can be made up; excellent flavor is guaranteed; and high-quality collagen is taken as a source of healthy energy at the same time.

The invention provides a method for enabling a virtual machine based on a router to be in communication with a host machine network. The method comprises steps of (S1) establishing a corresponding first router for the first virtual machine and connecting the first virtual machine to a host machine network in a communication manner through the first router. The invention can simply and effectively realize network communication between the virtual machine and the host machine.

The invention relates to a preparation method of a Na0.3WO3 nanostructure of a photothermal conversion material. The preparation method comprises the following steps: dissolving tungsten hexachloride WC16 and sodium hydroxide NaOH in ethanol, and then stirring to obtain mixed liquor, wherein the ratio of WC16, NaOH and ethanol is 1mol:(0.5-1.0mol):40ml; carrying out reaction on the mixed liquor for 20-24 hours under a condition of 120-180 DEG C, centrifugalizing and washing to obtain the Na0.3WO3 nanostructure. The maximum value of the near-infrared absorption spectrum of the product is close to the wavelength of the laser used, and light can be effectively converted into heat, so that the nanostructure can be used as a medicament for photothermal ablation therapy of cancer.

The invention discloses a traditional Chinese medicine composite for treating a headache and a preparation method of the traditional Chinese medicine composite. The traditional Chinese medicine composite is prepared by ligusticum wallichii, rhizoma gastrodiae, angelica dahurica, radix paeoniae alba, rhizoma corydalis and scorpion. According to the traditional Chinese medicine composite and the preparation method, the traditional Chinese medicine composite is centralized in effective part, small in dosage and convenient to take, and a modern pharmacology research verifies that the traditional Chinese medicine composite is precise in curative effect, safe, reliable, fewer in adverse effect, and used for treating the headache. The traditional Chinese medicine composite has effects of promoting blood circulation, dispelling wind, dredging collaterals and alleviating a pain, and can be used for prevention and treatment of various headaches such as migraine and a tension headache.

The invention provides a wafer-level through-silicon-via packaging structure manufacturing method and a through-silicon-via packaging structure. The method comprises the steps of providing a wafer provided with a welding pad and a substrate, and enabling the wafer to cover the substrate in the direction that the welding pad faces the substrate; forming an annular through hole in the wafer, and enabling the outer contour of the annular through hole and the welding pad to be at least partially overlapped; covering the surface of the wafer with an insulating layer, and filling the annular through hole with the insulating layer; forming a through hole in an area, which is located in the inner contour of the annular through hole, of the wafer, wherein the through hole exposes the welding pad; and forming a metal layer electrically connected to the welding pad on the surface of the insulating layer and in the through hole. By using the annular through hole, an inner chamfer structure is formed at the bottom of the bonding surface between the insulating layer and the metal layer, so that the requirements on the thickness and the structural uniformity of each layer in the packaging structure are greatly reduced, the production process flow is remarkably simplified without high-end equipment and process requirements by forming the insulating layer in cooperation with a dry film pressing process, and the production cost is reduced.

The invention belongs to the technical field of building construction, and discloses an integrated pouring based house building construction process. The process comprises the following steps of S1, building a building house pile foundation in a construction base according to a construction drawing; and S2, after lap joint of the pile foundation is completed, cleaning topsoil in the site and mud left during pile foundation construction, carrying out leveling through an excavator, and performing compaction through a road roller. The process has the beneficial effects that an arranged formwork is stable in structure and is not prone to moving, and the overall quality of pouring is better; an upper construction joint between a wall body and a roof is omitted, the construction period is shortened, and the construction cost is reduced; the construction method is simple and convenient, has no special material and equipment requirements, and greatly reduces the construction cost; and the integrality of a cast-in-place structure is improved, a wallboard is seamless, and the appearance of the wall body is more attractive.

The invention discloses a skin disinfectant and a preparation method thereof. The skin disinfectant comprises, by mass, 5-10 parts of Indian strawberry, 5-10 parts of pine needle, 2-5 parts of safflower, 10-30 parts of dandelion, 5-15 parts of herba asari, 10-30 parts of isatis root, 10-20 parts of radix bupleuri, 10-20 parts of christina loosestrife herb, 5-10 parts of myrrh, 5-15 parts of common andrographis herb and 40-60 parts of glycerol. The preparation method has the following steps of a, weighing medicinal raw materials, b, carrying out decoction and c, adding glycerol into the decoction. The skin disinfectant improves germ and virus resistance and immunity and has a high sterilizing rate and long bacterial inhibition time.

The invention relates to a novel connection method of ceramic bodies. The connection method comprises the following steps: pouring a first ceramic slurry containing first ceramic powder, a first water-soluble maleic polymer and water into a mold, and performing in-situ solidification and ageing, thereby preparing a first ceramic body in the form of ceramic gel; pouring a second ceramic slurry containing second ceramic powder, a second water-soluble maleic polymer and water into a mold and performing in-situ solidification and ageing, thereby preparing a second ceramic body in the form of ceramic gel; and performing surface flatness treatment on connecting surfaces of the prepared first ceramic body and second ceramic body, and directly connecting end to end to ensure that the first ceramic body is connected with the second ceramic body. By adopting the novel connection method disclosed by the invention, the ceramic gels can be connected by only using bonding effects of water-soluble maleic organic molecules in the ceramic gels under the condition that any binding agent is not used.

The invention provides polyurethane high-resilience foam and a preparation method thereof. The polyurethane high-resilience foam is prepared from the following raw material components in parts by weight: 68 to 75 parts of isocyanate, 90 to 100 parts of polyhydric alcohol, 1 to 2 parts of a foam stabilizer, 0.2 to 1.2 parts of a cross-linking agent, 2.5 to 4 parts of water, 0.28 to 1.58 parts of acatalyst, 18 to 24 parts of calcium carbonate and 0.5 to 3 parts of an anionic surfactant. Through mutual cooperation of the components, the polyurethane high-resilience foam with high tear resistance, high bearing performance and high calcium carbonate filling amount is finally obtained, and cheap calcium carbonate is used as a filler, so that the cost is saved under the condition that the tear resistance and the bearing performance of the product are improved, and large-scale production and promotion are facilitated.

The invention discloses an unsaturated resin or vinyl resin composition and application thereof to a composite material, and belongs to the field of resin synthesis and composite material preparation.The preparation method comprises the following five steps: (1) respectively adding a certain parts by weight of saturated polyhydric alcohol and unsaturated polyhydric alcohol into a flask, and maintaining a certain temperature as required; (2) adding an unsaturated end-capping reagent, and carrying out a reaction for 0-4 h at an environment temperature of -140 DEG C to obtain an oligomer containing double bonds at the tail end of a molecular chain; (3) adding a certain parts by weight of auxiliaries such as a diluent, an initiator, a catalyst and a release agent according to the requirementsof an application process, uniformly stirring the materials, and putting the mixture into a glue tank of production equipment for later use; (4) preparing a resin / fiber composite material by adoptingequipment matched with the process according to a predetermined process; (5) demoulding the finish product. The prepared resin sizing material has the advantages of being wide in application process,long in operable time, good in mechanical property, high in flexibility of the prepared composite material and the like.

The invention relates to an edible fungus strain purification and rejuvenation technology, which comprises the following steps of 1, taking a degraded edible fungus strain to be subjected to purification and rejuvenation into a first culture medium; when the diameter of the bacterial colony reaches 2 to 3cm, cutting tip ends; transferring and putting the tip ends into a second culture medium; whenthe diameter of the bacterial colony reaches 2 to 3cm again, cutting the tip ends; transferring and putting the tip ends into a third culture medium; when the diameter of the bacterial colony reaches2 to 3cm again, cutting the tip ends; transferring and putting the tip ends into a fourth culture medium; 2, when the diameter of the strain bacterial colony transferred in the last time reaches 2 to3cm, transferring the strain into a shake bottle culture solution; adding penicillin into the shake bottle culture solution; culturing the strain onto the surface of the shake bottle culture solutionuntil mycelia fully grow on the surface of the liquid; 3, transferring the strain into a basic wood chip culture medium to culture until the mycelia grow out, wherein the basic wood chip culture medium contains quicklime with the mass percentage being 3 to 5 percent. The yield and the quality of the strain can be well improved; the living power of the degraded strain can be improved.

The invention discloses an antistatic waterborne epoxy floor coating top finish and a preparation method thereof. The antistatic waterborne epoxy floor coating top finish is prepared from A and B components, wherein the A component is prepared from a waterborne epoxy resin curing agent II, water, a volume filler, an antistatic material, a promoter and a color paste; the B component is prepared from bisphenol A type epoxy resin and an active diluent. The preparation method comprises the following steps: dissolving the waterborne epoxy resin curing agent and a part of promoter in a part of water, adding the volume filler, grinding, then adding the antistatic material and the residual water, stirring, uniformly dispersing, sieving, matching color by virtue of the color paste, and then adding the residual promoter to prepare the A component; and preparing the B component into the A component according to the mass ratio to obtain the antistatic waterborne epoxy floor coating top finish. The antistatic waterborne epoxy floor coating top finish is safe, environmentally friendly, low in cost and good in antistatic function. The preparation method is simple, is low in the cost and can be used for industrial production.

The invention provides a long-acting brexpiprazole in-situ phase change gel injection and a preparation method thereof. Phospholipid is used as a matrix to dissolve a poorly water-soluble drug namelybrexpiprazole in NMP to prepare an injectable sustained release preparation, the in-situ phase change gel injection has excellent physical and chemical stability, and the drug release time can be maintained for 2 months. In addition, the preparation process is simple, low in equipment requirement and suitable for industrial production.

The invention relates to a wet metallurgic method for effectively separating palladium from silver electrolyte by adopting modified polyacrylonitrile resin, and the process is free from pollution. The method adopts a technical scheme that: polyacrylonitrile resin is modified by adopting a hydroxyl amine hydrochloride solution to obtain a novel chelating resin namely amidoxime polyacrylonitrile resin; silver electrolyte which is roughly purified to remove heavy metal impurities is adsorbed by adopting the amidoxime polyacrylonitrile resin, so that palladium in the solution is loaded onto the resin, and the resin is subjected to primary desorption by adopting an acidic thiourea solution to obtain a palladium-containing desorption liquid; the resin is subjected to secondary desorption by adopting a high-concentration hydrochloric acid solution to obtain a silver-containing desorption liquid; and the resin which is subjected to twice desorption is regenerated by adopting a hydroxyl amine hydrochloride solution, and is returned to adsorb the palladium-containing silver electrolyte. According to the method, palladium and silver can be effectively separated, the adsorbed solution can be directly returned to silver electrolysis, the operation is simple, the purification time is short, the recovery rate of noble metals is high, and the practicality is strong.

The invention discloses a NbSe 2 A method for studying the tribological properties of a single crystal as a solid lubricant for electrical contact, including the following steps, S1: using NbSe 2 Single crystal preparation of NbSe 2 Layer; S2: Research on NbSe 2 The surface characteristics of the layer; S3: the NbSe 2 layer as a lubricating layer for reciprocating friction and wear experiments to study the NbSe 2 Layer tribological properties; S4: using different preparation methods, repeat steps S1, S2 and S3; S5: NbSe prepared by different preparation methods 2 The tribological properties of the layers were compared and analyzed. The research method in the present invention will NbSe 2 Single crystal is prepared into NbSe by non-preparation method 2 layer, conduct friction and wear experiments, and study NbSe through the study of tribological properties 2 Optimal use of single crystals directly as solid lubricants for electrical contacts, NbSe 2 The preparation method of the layer is simple, the cycle is short, no equipment is required, and the cost can be saved.

The invention provides a method for preparing a large-size ceramic biscuit. The method includes the steps that firstly, preprocessed ceramic slurry with uniformly scattered gel systems is injected into a forming die to undergo in-situ solidification to obtain ceramic biscuit gel, the forming die is sealed so that the ceramic biscuit gel can be desolventized at the temperature of 30-80 DEG C and shrinks for twenty hours, and after seven days, drying processing is carried out and the large-size ceramic biscuit is obtained.

The invention discloses a shower nozzle rust removal and hole opening agent which is prepared from vinegar, white spirits, edible oil, washing powder and baking soda. The rust removal and hole opening agent is simple in raw material and can be prepared from domestic frequently-used seasonings and daily chemical products. The rust removal and hole opening agent is simple in preparation method and does not need complex devices or severe reaction conditions. The rust removal and hole opening agent is high in rust removal and hole opening capacity and can open holes within 5 min after being sprayed.

The invention discloses a method for preparing a heat-insulating, anti-fogging, self-cleaning super-hydrophilic transparent coating. Step 1, preparing nano-heat-insulating powder slurry dispersion; Step 2, preparing a hydrophilic polymer with a certain degree of crosslinking solution; Step 3, preparing a super-hydrophilic transparent coating with heat insulation, anti-fog, and self-cleaning functions; dispersing the nano-insulation powder slurry obtained in Step 1 and step 2 to obtain a hydrophilic polymerization with a certain degree of crosslinking Stir the material and additives evenly, then spray the obtained solution on the surface of the glass substrate, put the coated glass in an oven to dry, and after drying, you can get a super-friendly glass with heat insulation, anti-fog and self-cleaning functions. Water clear coat. The invention solves the problems of poor anti-fog durability, poor water resistance, poor weather resistance and impermanence to wiping existing in the existing super-hydrophilic coating.

The invention discloses a traditional Chinese medicine composite for treating a headache and a preparation method of the traditional Chinese medicine composite. The traditional Chinese medicine composite is prepared by ligusticum wallichii, rhizoma gastrodiae, angelica dahurica, radix paeoniae alba, rhizoma corydalis and scorpion. According to the traditional Chinese medicine composite and the preparation method, the traditional Chinese medicine composite is centralized in effective part, small in dosage and convenient to take, and a modern pharmacology research verifies that the traditional Chinese medicine composite is precise in curative effect, safe, reliable, fewer in adverse effect, and used for treating the headache. The traditional Chinese medicine composite has effects of promoting blood circulation, dispelling wind, dredging collaterals and alleviating a pain, and can be used for prevention and treatment of various headaches such as migraine and a tension headache.

The invention relates to an ambient-pressure drying preparation method for mineral nanofiber aerogel. Nonmetallic mineral raw materials are purified and scattered, so that mineral nanofibers are acquired; the mineral nanofibers are scattered in a proper amount of water, a foaming agent, a bonder and the like are added, a mixture is fully and evenly stirred, and even colloidal sol containing a certain number of the nanofibers is acquired; the colloidal sol is converted into stable foam through physical foaming or chemical foaming or physical-chemical foaming; the foam is poured into a mold, ambient-pressure drying or ambient-pressure maintenance-drying is conducted, and therefore the mineral nanofiber aerogel is acquired. The prepared mineral nanofiber aerogel is simple in process, short in production period, high in controllability, low in equipment requirement and easy to industrially produce on a large scale. The prepared mineral nanofiber aerogel has the advantages of being controllable in shape, low in density and heat conductivity, good in mechanical property and the like.

The invention belongs to medical apparatuses and instruments for veterinary use, and aims at providing a disposable cervical cell brush for dogs and cats. The disposable cervical cell brush comprises a spherical guide head, a cell brush head, a sampling rod and a protection sleeve. Bristles, arranged in a spiral mode, of the cell brush head are perpendicular to the sampling rod, so that the whole cell brush head is in a cylindrical shape. One end of the cell brush head is inserted into the spherical guide head. The other end of the cell brush head is embedded in the sampling rod. The end, close to the cell brush head, of the sampling rod is provided with an annular groove. The tail end of the sampling rod is provided with a handle shaped like a fishtail. The protection sleeve is arranged outside the sampling rod. The disposable cervical cell brush has the advantages that the whole spherical face of the spherical guide head is smooth, so that it is ensured that the cell brush can not damage the vaginal wall in the process of entering and leaving the vagina and in the process of sampling; the protection sleeve is arranged outside the cell brush and the sampling rod for protection, on one hand, it can be ensured that no damage is caused to the vaginal wall in the process of entering and leaving the vagina, and on the other hand, contamination which is caused to the cell brush by the vulva can be avoided; the disposable cervical cell brush is safe, accurate, free of trauma, free of requirements for devices, wide in application range, and the like.