23results about How to "Remarkable results" patented technology

The invention, which relates to the technical field of supply chain information, discloses a comprehensive supply chain control system comprising a transaction and collaborative service module, an order management and decision support module and a data interaction and integration module. The transaction and cooperation service module is used for processing transaction information of supply chain participants, ensuring information safety and accuracy, managing the full life cycle of a contract and performing real-time monitoring, establishing a real-time communication and cooperation project management channel, and improving cooperation efficiency; according to the invention, the transaction and collaborative service module has a significant effect, encryption processing ensures the security of transaction information, leakage and tampering are prevented, contract management is efficient and flexible, a multi-parameter evaluation optimization template reduces the default risk, a collaborative mechanism improves the collaborative efficiency of all parties, and the response speed of a supply chain is enhanced.

The invention belongs to the technical field of biological medicines, and discloses a recombinant protein and application thereof in preparation of fish vaccines. According to the invention, CP4 protein of nervous necrosis virus of grouper is taken as antigen for vaccine, recombinant Escherichia coli BL21 (pET32a-CP4) capable of expressing the protein is constructed by means of genetic engineering technology, recombinant protein rCP4 is obtained through induced expression, and oxidized single-walled carbon nanotubes are taken as carriers to prepare the grouper immersion vaccine (namely SWCNT-rCP4 vaccine). According to the SWCNT-rCP4 vaccine provided by the invention, the immunization of the grouper can be realized through soaking immunization, the survival rate of the grouper reaches 85% after the grouper is soaked and immunized for 4w and then is infected with NNV, and the immune protection effect is remarkable.

The invention provides a sulfate-containing waste liquid treatment system and a sulfate-containing waste liquid treatment method for acrylonitrile and a combination device thereof, the system comprises at least two sets of waste liquid treatment units and a set of flue gas treatment unit, sulfate waste liquid is divided into two strands to enter the two sets of waste liquid treatment units for combustion, waste heat utilization and quenching purification, the discharged sulfur-containing flue gas is collected and enters a set of flue gas treatment unit, the sulfur-containing flue gas subjected to deep cooling, demisting and drying can be directly used for producing high-purity sulfuric acid, and a two-end and one-tail mode is adopted, so that the operation flexibility of the system is improved, and the treatment pressure is reduced. In the waste liquid treatment unit, a high-temperature reaction device adopts segmented air distribution, so that sufficient combustion of waste liquid is ensured, and SO2 loss is reduced; a special temperature field and structural design in the waste heat boiler can prevent the heat exchange device from scaling and blocking; a venturi scrubber is adopted in the quenching purification device to quench the flue gas, and a protective liquid film is formed on the contact interface of the high-temperature flue gas and a liquid phase, so that the temperature of equipment is effectively reduced, and corrosion of the high-temperature flue gas is prevented.

The invention belongs to the technical field of biological medicine, and discloses an application of recombinant protein in preparation of a snakehead vesicular virus vaccine. A G protein of a snakehead vesicular virus (SHVV) is taken as an antigen for the vaccine, recombinant escherichia coli BL21 (pET32a-G) capable of expressing the protein is constructed by utilizing a genetic engineering technical means, recombinant protein rG is obtained through induced expression, and the nano-carrier vaccine (BNC-rG vaccine) of the snakehead vesicular virus is prepared by taking bacterial nano-cellulose as a carrier. According to the BNC-rG vaccine provided by the invention, immune protection against SHVV can be realized through immersion immunization, the specific antibody level is remarkably improved, the relative protection rate of snakehead reaches 80.00% after snakehead is infected with SHVV after immersion immunization for 4 weeks, and the immune protection effect is remarkable.

The invention relates to the technical field of electrochemical energy storage, in particular to an electrolyte for a zinc-bromine flow battery with a membrane-free single-liquid single-tank structure. The electrolyte is a multiphase mixed solution, wherein a light phase component mainly comprises an aqueous solution of zinc bromide, zinc chloride and 1-butyl-2-methyl pyridine bromide; and the heavy phase component of the electrolyte is mainly a bromine complex of 1-butyl-2-methyl brominated pyridine. The invention has the following remarkable beneficial effects: firstly, the zinc-bromine flow battery can normally operate under a membrane-free single electrolyte storage tank structure, so that the battery framework is simplified, and the initial installation cost is reduced; and secondly, the problems of bromine cross diffusion, zinc dendrite and the like of the membrane-free structure zinc-bromine flow battery are effectively solved by a plurality of trace special additives, the battery is ensured to run well under the membrane-free structure, and the battery performance is ensured while the cost is reduced.

The invention provides geopolymer-based artificial stone as well as a preparation method and application thereof, and belongs to the technical field of artificial stone. The geopolymer-based artificial stone provided by the invention does not contain cement and additives, and is prepared from the following raw materials: single-component geopolymer powder, water and aggregate in a mass ratio of 1: (0.28-0.42): (1.5-2.8); the single-component geopolymer powder comprises an alkali activator and a correction material, and the silica-alumina ratio of the single-component geopolymer powder is 2-3; the preparation raw materials of the alkali activator comprise a high-silicon raw material and an alkali activator, and the mass ratio of the high-silicon raw material to the alkali activator is 1: (1-1.2); the correction material comprises metakaolin and silica fume with the mass content of SiO2 being greater than 95%. The geopolymer-based artificial stone provided by the invention does not adopt cement, has a remarkable effect in the aspect of reducing carbon dioxide emission, and has relatively high compression strength and bending strength.

The invention relates to the technical field of sanitary pest control, and discloses a mosquito-repelling, itching-relieving and swelling-eliminating composition and a preparation method thereof.The mosquito-repelling, itching-relieving and swelling-eliminating composition comprises clerodendrum sativum hydrolat and tithonia diversifolia hydrolat, the clerodendrum sativum hydrolat is obtained through extraction with an ultrasonic and steam distillation combined method, and the tithonia diversifolia hydrolat is obtained through a rotary evaporator. Extracting under reduced pressure; the mosquito-repellent liquid is scientific and reasonable in formula, safe, efficient, low in price and simple in preparation process, and has triple effects of repelling mosquitoes, relieving itching and diminishing swelling.

The invention belongs to the technical field of soil improvement, and particularly relates to a saline-alkali soil conditioner and an improvement method. The modifier is composed of SMT1-SMT5, wherein SMT1 is formed by compounding ammonium bicarbonate, ammonium carbonate and ammonia water according to the mass ratio of (4.5-5.5): (1.5-2.5): (0.8-1.2); sMT2 is prepared by compounding humic acid, fulvic acid, amino acid, chitin, water and an auxiliary material in a mass ratio of 2: 1: 1: 1: (5-6): (40-60); sMT3 is compounded by fungi, actinomycetes and water according to the mass ratio of 3: 1: (4-6); sMT4 is prepared by compounding cyanobacteria, cellulase, uricase, biochar and water according to the mass ratio of 3: 1: 1: 1: (3-5); sMT5 is compounded by gossypol, vegetable tannin and water according to the mass ratio of 3: 2: (4-6). According to the invention, SMT1-SMT5 synergistically improve the action effect of the modifier, and the modifier has a significant reduction effect on the pH, sodium ions and total salt content of saline-alkali soil.

The invention discloses preparation of p-methyl peptide and application of the p-methyl peptide in agriculture, and relates to the field of preparation of p-methyl peptide and application of the p-methyl peptide in plants, and the preparation method comprises the following steps: step 1, feeding and device building: adding a preset amount of L-alanine and ethylene glycol into a 250mL single-mouth round-bottom flask. As a natural cyclic dipeptide, the p-methyl peptide shows an excellent environment-friendly characteristic in plant stress resistance application. Compared with a traditional method depending on chemical fertilizers and pesticides, the method has the advantages that the method is non-toxic and harmless, soil hardening and water eutrophication caused by excessive use of the chemical fertilizers are avoided, quality safety of agricultural products is not affected as pesticide residues exceed the standard, and damage to non-target organisms and damage to ecological balance are avoided; the problem of environmental pollution caused by a traditional method is avoided from the source, and powerful support is provided for agricultural ecological environmental protection.

The utility model relates to the technical field of plastic product production equipment, and provides an automatic plastic bottle cap punch forming device which comprises a bottom case, and a punching feeding belt and a discharging conveying belt are sequentially installed in the bottom case from top to bottom in parallel. A plurality of lower forming dies are arranged at the top of the stamping feeding belt in the belt face conveying direction at equal intervals, a top table is arranged over the bottom machine box, a telescopic air cylinder is installed in the center of the top table, the output end of the telescopic air cylinder is in butt joint with a lifting table, and a plurality of stamping shaping assemblies are installed at the bottom of the lifting table. The automatic punch forming device for the plastic bottle caps provides an advanced, reliable and efficient solution for production of the plastic bottle caps through the advantages of efficient working process and automatic export, and is expected to obtain remarkable achievements in industrial production.

The present invention relates to a synthesis method of 20-aldehyde-23-piperidinyl-5-O-mycamine glycosyl-tylonolide, its salt and use. The present invention has in vitro antibacterial activity against pathogenic bacteria of livestock and poultry such as Pasteurella multocida, Streptococcus suis, Streptococcus pneumoniae, Staphylococcus aureus, Bordetella bronchiseptica, Klebsiella pneumoniae, Mannheimia hemolytica, Haemophilus parasuis, Actinobacillus pleuropneumoniae, etc., and its antibacterial activity is significantly superior to that of control drugs. The present invention is also superior to macrolide control drugs in antibacterial effect on mycoplasma such as chicken, gallinulina, and pig. It can be used to prepare new high-activity veterinary antibacterial and anti-mycoplasma drugs, and has broad application prospects in livestock and poultry and aquaculture.

This invention belongs to the field of end-face sealing technology, specifically relating to a combined corrugated groove end-face sealing device consisting of a rotating ring and a stationary ring. The invention includes a rotating ring and a stationary ring that cooperate with each other through sealing end faces. The sealing end faces are respectively provided with corrugated grooves and notched grooves. The ring containing the corrugated groove is a wide ring, and the ring containing the notched groove is a narrow ring. The sealing end face width of the wide ring is greater than that of the narrow ring, and the notched groove is located on the outer ring surface of the narrow ring. The rotation path of the corrugated groove intersects with the cavity of the notched groove. This invention achieves an effective balance between sealing leakage and end-face lubrication, thereby providing continuous and effective lubrication and cooling for the friction pair of the end-face seal.

The present invention belongs to the technical field of fluid blocking test, and specifically relates to a compound damping check valve fluid blocking test system and a test method thereof. The present invention includes a first burst pipe simulation component and a second burst pipe simulation component, the inlet of the first burst pipe simulation component is connected to the valve body inlet of the angle damping check valve, the valve body outlet of the angle damping check valve is connected to the outlet of the accumulator through the switch valve SV6, and the inlet of the accumulator is respectively arranged with a gas branch and a liquid branch; the inlet of the second burst pipe simulation component is connected to the valve body inlet of the straight-through damping check valve, and the valve body outlet of the straight-through damping check valve is connected to the outlet of the accumulator through the switch valve SV7; the pressure regulating chamber of the second burst pipe simulation component is connected to the gas source through the switch valve SV2 and the regulating valve CV2 in sequence. The present invention can simultaneously achieve the online test effects of the diagonal damping check valve and the straight-through damping check valve under the same working conditions, and the test data calculation accuracy is higher.

The utility model belongs to the technical field of basket type grinding equipment, and particularly relates to a basket type grinding machine with a streaming blocking function. The device comprises a pulling cylinder, a main shaft which is positioned in a cylinder cavity of the pulling cylinder and is provided with a driving lever, and a connecting bracket with a basket body, the device is characterized by further comprising an inclined shearing plate located in a cylinder cavity of the pulling cylinder, the plate face of the inclined shearing plate intersects with the axis of the main shaft, and the direction pointed by the angle tip of an included angle formed by the plate face of the inclined shearing plate and the horizontal plane is opposite to the rotating direction of the main shaft; the inclined shear plate is fixed to the connecting support above the basket body, the bottom end of the inclined shear plate extends to the outer side of the basket body, and the distance between the inner side of the inclined shear plate and the outer side of the basket body is smaller than the distance between the outer side of the inclined shear plate and the inner wall of the pull cylinder. According to the utility model, turbulent vortexes can be destroyed during working, the circulating grinding efficiency of materials is improved, and the problem of shaking of the pull cylinder caused by rotation of the materials due to centrifugal force is reduced.

The utility model belongs to the technical field of emulsification pumps, and particularly relates to a powder-liquid self-suction type homogenizing emulsification pump with a spiral conveying function. The self-priming pump comprises a pump body with the axis horizontally arranged, a pump cavity of the pump body forms a working cavity where a self-priming impeller is located, the self-priming impeller is coaxially installed at the front end of a main shaft, so that the pump cavity where the front end of the main shaft is located forms a feeding port, and the self-priming pump is characterized in that in the axial direction of the main shaft, the cavity wall of the feeding port in the pump body extends forwards to form a mixing chamber; a spiral conveying shaft is arranged in the material mixing chamber and is coaxially mounted at the front end of the main shaft, and the material conveying direction of the spiral conveying shaft points to the direction of the material inlet; a liquid inlet is formed in the cavity wall of the mixing chamber where the front shaft end of the spiral conveying shaft is located, and a powder inlet is formed in the cavity wall of the mixing chamber where the shaft side of the spiral conveying shaft is located. According to the utility model, powder and liquid phase materials can be sucked into the pump body for high-speed mixing homogenization and reaction dissolution, and meanwhile, the material refining and dispersing shearing effects are better.

The invention relates to the technical field of oil production engineering, and provides an underground casing packer recovery safety connector which comprises an upper connector, a lower connector, a shear pin and an O-shaped sealing ring. The upper connector is connected with the lower connector in a matched mode, the shear pin is arranged on the overlapped portion where the upper connector and the lower connector are connected in a matched mode, and the shear pin is flush with the outer circle of the lower connector. And the O-shaped sealing ring is arranged between the upper joint and the lower joint for sealing. According to the scheme, the safety connector can optimize the structure of an oil well layered pipe column, and the problem that a well packer is difficult to recycle is effectively solved. The safety joint is simple and reliable in structure, has enough strength, and can not influence the normal use of the layered pipe column. And separation is ensured under a certain load, and smooth recovery of the tubular column above the joint is ensured. The safety joint has a proper salvage size, ensures that a salvage tool can grasp the residual tubular column, does not affect setting and recovery of the packer, and has great significance for safe recovery of the oil tube and the packer.

The invention belongs to the technical field of fluid blocking tests, and particularly relates to a test method of a pipe explosion simulation device based on a fluid blocking test. The tube bursting simulation device comprises an outer tube body and a crushing diaphragm located in a tube cavity of the outer tube body, the tube bursting simulation device further comprises a bursting disc, the bursting disc and the crushing diaphragm are sequentially arranged along the tube cavity of the outer tube body, and therefore a closed pressure adjusting cavity is formed in the portion, between the bursting disc and the crushing diaphragm, of the tube cavity of the outer tube body. The pressure adjusting cavity is communicated with a pressure air source or a pressure liquid source through a flow channel penetrating through the pipe wall of the outer pipe body. The device has higher controllability on pipe explosion pressure and pipe explosion time, and has the advantages of simplicity, convenience and rapidness in use and compact and reasonable structure.

The present invention belongs to the technical field of fluid blocking test, and specifically relates to a single damping check valve fluid blocking test system and a test method thereof. The system includes a damping check valve and a burst pipe simulation component, the inlet of the burst pipe simulation component is connected to the valve body inlet of the damping check valve, the valve body outlet of the damping check valve is connected to the outlet of the accumulator via the switch valve SV6, the inlet of the accumulator is respectively arranged with an air branch and a liquid branch, the air branch is connected to the air source via the regulating valve CV1, and the liquid branch is connected to the water storage container via the switch valve SV4, the water pump, and the switch valve SV3; the pressure regulating chamber of the burst pipe simulation component is connected to the air source via the switch valve SV1 and the regulating valve CV2 in sequence; the system also includes a bridging water circuit. The system uses the built-in burst pipe simulation component to accurately control the burst pipe pressure and storage time in the pipeline, which can ensure the high accuracy of the damping check valve test data while ensuring cost-effectiveness.

The utility model discloses a cyclone separation device for biomass circulating fluidized bed boiler, including cylinder, cone and corrosion -resistant center cylinder, the cone fixed mounting at the bottom of cylinder, the top of cylinder is equipped with the cover ring, the ring hole of cover ring is fixedly installed with the corrosion -resistant center cylinder, the lateral surface top of cylinder is equipped with the air inlet pipe, and the bottom end of center cylinder extends to the cylinder cavity of cylinder and is connected with the shunt head through the shunt head support, and the outer cylinder wall on the corrosion -resistant center cylinder in cylinder is equipped with spiral reinforcing rib, and the air inlet end of air inlet pipe is installed with the flow head. Advantageous effect lies in: separation efficiency is high, and separation effect is good, and the corrosion -resistant and anti -deformation ability of center cylinder is good, and the service life is long, and the existing cyclone separator is convenient to the reform, and the original structure does not need obvious change, and the replacement cost is low, and the effect is obvious, and prolongs the overall service life of circulating fluidized bed boiler.

The present invention relates to the field of sealing technology, and specifically to a spindle-separated dynamic seal testing device and an installation and adjustment method. The present invention includes a base and a support body that is rotatably matched with a built-in sealing main cavity on the base; the axis of the support body is horizontally arranged and coaxially penetrated by a spindle, and the spindle and at least one end of the support body constitute a sealing match for testing the dynamic seal, and the corresponding end of the support body constituting the sealing match is an axially detachable structure, so as to replace the dynamic seal in time; the two ends of the spindle extend axially outward, and a bearing support coaxial with the spindle is symmetrically arranged on the base, and a matching shaft is rotatably matched on the bearing support, and the spindle is coaxially and detachably installed on the matching shaft; the spindle or the matching shaft is connected to an external power source. The present invention has a reasonable and practical structure, and can still maintain high-precision and high-efficiency online testing requirements under repeated disassembly and assembly.

The present application belongs to the technical field of stator manufacturing, and particularly relates to a stator design method for integrated general fluid machinery and a general fluid module. The stator design method for integrated general fluid machinery comprises the following steps: 1) determination of an electric drive diameter; 2) determination of an effective electric drive length; and 3) determination of a pole pitch. Through the above operation process, the operation efficiency and stability of the general fluid module applying the stator can be effectively ensured or even improved. Another object of the present application is to provide a general fluid module applying the stator design method, so that through integrated design, the intermediate connecting frame and the number of vulnerable components and friction loss are reduced, thereby further improving the overall efficiency of the unit.

The utility model relates to the technical field of oral medical treatment, in particular to a gingival retraction band which comprises a gingival retraction line and a raw material band, one side edge of the raw material band is wound on the outer half circumference of the gingival retraction line, the gingival retraction line and the raw material band are fixedly connected, the gingival retraction line is formed by weaving a plurality of strands of cotton threads and can be bent at any angle, and the gingival retraction band can be bent at any angle. The raw material belt is made of polytetrafluoroethylene and can be bent at any angle; the gingival retraction cord and the raw material belt fixed on the gingival retraction cord are arranged, so that the gingival retraction cord is pressed into a gingival crevicular to retract gingiva, the edge of a cavity is exposed, meanwhile, part of gingival crevicular fluid can be absorbed, compression hemostasis can be realized, and medicines can be added into gaps of the gingival retraction cord to stop bleeding; and moreover, the polytetrafluoroethylene tape made of polytetrafluoroethylene can isolate gingival crevicular fluid and blood from exudation, so that the moisture insulation effect is effectively improved. And shaping is assisted in a mode of overturning the raw material belt, so that the occurrence rate of overhanging or underfilling of the filling body is reduced, and the restoration body has better appearance and firmness.

This invention discloses an active support configuration method and equipment for urban power hollowing-out areas, comprising: based on typical urban power hollowing-out scenarios, comprehensively screening the requirements of typical scenarios, combining the characteristics of the equipment's VSC converter, and proposing an active support integrated solution through VSC control strategy improvement and reactive power system coordinated control. Based on the N-1 and N-2 stability results of a single fault scan, the installation site is calculated and the optimal site is selected for installation through local topology network characteristics, featuring simplicity, speed, efficiency, and economy. This method is applicable to urban power hollowing-out scenarios in the construction of new power systems in China, urban power grids with low short-circuit ratios, coastal urban power grids with large-scale renewable energy access, and receiving-end urban power grids with dense DC access, thus having a wide range of applications. The optimal site selection based on the grid topology, combined with functional integration using VSC characteristics, is more intensive and economical than conventional solutions.