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40results about How to "Realize the repair effect" patented technology

Remediation agent for heavy metal contaminated soil as well as preparation method and using method of remediation agent

The invention provides a remediation agent for heavy metal contaminated soil as well as a preparation method and a using method of the remediation agent. The remediation agent is prepared from the following components in parts by weight: 20-80 parts of a mineral material, 10-70 parts of a biomass material, 5-40 parts of a redox agent, 5-50 parts of an adsorbent and 0-30 parts of a pH regulator. The preparation method comprises the following steps: mixing the five components according to a formula ratio, grinding, and screening to obtain the remediation agent for the heavy metal contaminated soil. The using method comprises the following steps: mixing the remediation agent for heavy metal contaminated soil with compound contaminated soil, adjusting the water content of the compound contaminated soil, and carrying out soil conservation and remediation. The remediation agent for the heavy metal contaminated soil can reduce the migration and bioavailability of the soil by reducing the heavy metal leaching concentration of the soil, thereby realizing the stabilization of the soil for the various heavy metals; the remediation agent for the heavy metal contaminated soil has the advantagesof being low in cost, short in repair period, good in repair effect, wide in application range and free from secondary pollution, and the like.
Owner:北京润鸣环境科技有限公司

Moisturizing and repairing face cream and preparation method thereof

InactiveCN110227052AReduce usageImprove the ability to resist dehydrationCosmetic preparationsToilet preparationsCholesterolAntioxidant
Embodiments of the present invention provide moisturizing and repairing face cream and a preparation method thereof, and relates to the field of skin care products. The moisturizing and repairing cream comprises the following raw materials in percentages by weight: water, glycerin, butylene glycol, an emulsifier, phytosphingosine, cholesterol, ceramide, sodium hyaluronate, a pH regulator, an oil emollient, an antioxidant, bio-saccharide gum-1, an undaria pinnatifida extract, etc. The preparation method of the moisturizing and repairing face cream comprises the following steps: forming a firstaqueous phase from butylene glycol, phytosphingosine, cholesterol, ceramide, glycerol and part of water; adding sodium hyaluronate and part of water into the first aqueous phase to form a second aqueous phase, and dissolving to obtain a mixed phase; and adding an emulsifier into the mixed phase to form a dispersed phase oil phase, adding an oil emollient to form an oil phase under a stirring condition after the dissolving, adding the left preparation raw materials after even mixing, and conducting even mixing. The moisturizing and repairing face cream has good effects on moisturizing and repairing skin, and is high in safety and also low in preparation energy consumption.
Owner:HANGZHOU YUEXUANTANG COSMETICS CO LTD

PVC-U (polyvinyl chloride unplasticized) tube with shape memory function and production method and application thereof

ActiveCN108373569AGood deformation memory functionRealize the repair effectPlasticizerPolyvinyl chloride
The invention provides a PVC-U (polyvinyl chloride unplasticized) tube with a shape memory function and a production method and application thereof. The PVC-U tube with the shape memory function is made from, by weight, 100 parts of polyvinyl chloride resin, 1.5-8.0 parts of a thermal stabilizer, 0.1-60 parts of a lubricant, 0-8 parts of a plasticizer, 0.5-8 parts of a processing modifier, 1-10 parts of a toughener, 0.02-5 parts of a crosslinker, 0-6 parts of an acid absorbent, and 0-30 parts of a filler. The PVC-U tube has the good shape memory function and is particularly suitable for the repair of a damaged conduit under micro-excavation or zero excavation. In addition, the production method of the PVC-U tube is simple and low in cost.
Owner:RIFENG ENTERPRISE FOSHAN CO LTD +2

Microbial capsule for tailing remediation and three-in-one tailing in-situ remediation method

ActiveCN113025606APrevent penetrationTo achieve the role of adsorption and isolation of pyriteSolid waste disposalOn/in inorganic carrierMicroorganismMicrobial agent
The invention discloses a microbial capsule for tailing remediation and a three-in-one tailing in-situ remediation method. In the prior art, the operation and maintenance cost of acid wastewater treatment is high, the duration time is long, and the treatment effect is unstable. The invention provides a microbial capsule for tailing restoration. The microbial capsule comprises a porous calcium carbonate ball and a microbial agent loaded on the porous calcium carbonate ball. The microbial capsule can effectively inhibit the oxidation of sulfide minerals, and the microbial inoculum is not easy to lose. According to the separation layer, modified environmental minerals and metal ions are combined together, and a modified environmental mineral-metal combination is used as a separation substance, so that acidic wastewater formed after sulfide in an upper-layer tailing pond is oxidized can be prevented from permeating to a lower layer; and air on the upper layer is prevented from entering the bottom layer to oxidize sulfide minerals. On the basis, the isolation layer not only achieves the effect of adsorbing and isolating the pyrite, but also can oxidize sulfide minerals on the mineral surface layer through metal ions.
Owner:ZHEJIANG UNIV OF TECH

Composite remediation agent for organic contaminated soil as well as preparation method and application of composite remediation agent

The invention provides a preparation method of a composite remediation agent for organic contaminated soil, which comprises the following steps: S1, uniformly mixing straw powder, pyroligneous liquor,an enzyme component and rice washing water, adding water for wetting, and carrying out fermentation culture in a biochemical incubator; S2, adding rice washing water and microbial components into themixture fermented in the step S1, and putting the mixture into a biochemical incubator for fermentation culture; S3, uniformly mixing biochar, a ferrous chloride solution, sodium selenite and a fertilizer, and granulating after the biochar is completely adsorbed; S4, adding the biochar particles obtained in the step S3 into the mixture fermented in the step S2, and uniformly stirring the mixtureto obtain the composite remediation agent for the organic contaminated soil. The remediation agent for the organic contaminated soil, provided by the invention, has a good remediation effect on the soil, is particularly very effective for degrading organic matters and pesticide residues in the soil, can also reduce the content of heavy metals such as mercury, lead and cadmium in the soil, effectively improves the comprehensive capacity of the soil, and ensures the safety of foods.
Owner:刘海威

Carbon fiber surface defect repairing method

The invention discloses a carbon fiber surface defect repairing method, specifically a method for quality control of carbon fiber and graphitized carbon fiber. The method is an additional process of repairing surface cavity defects generated after processing of carbon fiber by a vapor deposition method. The method specifically comprises the following steps: after carbon fiber is heated by focused electromagnetic field induction, an acetylene reaction environment is produced to make acetylene to be cracked into hydrogen and carbon atom near high temperature carbon fiber; and carbon atom is deposited on the surface of carbon fiber, and especially cavities are repaired.
Owner:DALIAN WEIKANG TECH

Ecologic repair system for riverway and repair method thereof

The invention discloses an ecologic repair system for a riverway and a repair method thereof. The system comprises a floating body workbench capable of being pulled by a ship to move freely, a power supply device and a power device installed on the floating body workbench, and a plurality of purifying repair devices suspended at the lower end of the floating body workbench; the power supply devicecomprises a storage battery and a wind power generating device and a solar power generating device for supplying electric energy to the storage battery; a motor is adopted for driving a steel wire rope to drive the purifying repair devices, the automatic degree is high, the treatment position is convenient to control, and bacterium culture devices can be conveniently replaced.
Owner:广东筑奥生态环境股份有限公司

Device for repairing aircraft thin-walled beam through laser deposition and repairing method thereof

The invention relates to a device for repairing an aircraft thin-walled beam through laser deposition and a repairing method thereof. The device comprises a heating plate, a laser deposition platform,an alternating magnetic field auxiliary platform and a liquid nitrogen forced cooling device, wherein the heating plate is used for carrying the aircraft thin-walled beam to be repaired; the laser deposition platform is used for repairing the aircraft thin-walled beam to be repaired; the alternating magnetic field auxiliary platform is used for providing a magnetic field with the variable direction and intensity, and the alternating magnetic field auxiliary platform is fixed to the laser deposition platform; and the liquid nitrogen forced cooling device is used for cooling the repaired aircraft thin-walled beam. The aircraft thin-walled beam to be repaired is carried on the heating plate for heating and repaired through the laser deposition platform under the magnetic environment providedby the alternating magnetic field auxiliary platform, and then the repaired aircraft thin-walled beam is cooled under the action of the liquid nitrogen forced cooling device. The device for repairingthe aircraft thin-walled beam through laser deposition is good in overall repairing effect, high in efficiency, and low in cost.
Owner:常州江苏大学工程技术研究院 +1

Chinese herbal medicine antibacterial insole with asymmetric humidity control function and preparation method thereof

A Chinese herbal medicine antibacterial insole with an asymmetric humidity control function comprises an insole body. The insole body comprises a bottom layer fabric, a foaming layer and a surface layer fabric, protrusions facing the surface layer fabric are arranged on the foaming layer, and water vapor of the surface layer fabric permeates into the bottom layer fabric in a one-way mode through the foaming layer. The bottom-layer fabric is a linen-cotton knitted fabric. The surface fabric is a cow leather fiber knitted fabric or a Chinese herbal medicine knitted fabric taking Chinese herbal medicine viscose as a raw material. According to the Chinese herbal medicine antibacterial insole with an asymmetric humidity control function provided by the invention, the bottom layer fabric is a linen-cotton knitted fabric, the surface layer fabric is a cow leather fiber knitted fabric or a Chinese herbal medicine knitted fabric taking Chinese herbal medicine viscose as a raw material, and thebottom layer fabric and the surface layer fabric are combined with the foaming layer, so that the insole has a function of inhibiting bacteria and fungi of feet, has an antibacterial effect on staphylococcus aureus, escherichia coli and candida albicans, and realizes the functions of preventing and treating foot odor, dermatophytosis and the like.
Owner:浙江璞能智慧能源有限公司

Method for repairing DEHP contaminated soil and lowering DEHP content in growing vegetables with Microbacterium sp.J-1

The invention discloses a method for repairing DEHP contaminated soil and lowering the DEHP content in growing vegetables with Microbacterium sp.J-1. In particular, flowering cabbage is planted in the DEHP contaminated soil, and a Microbacterium sp.J-1 strain is inoculated around a root system of the flowering cabbage. If the Microbacterium sp.J-1 strain is only inoculated into the DEHP contaminated soil, a persistent repairing effect cannot be achieved for the reason that the Microbacterium sp.J-1 strain can die with the extension of inoculation time. However, if the Microbacterium sp.J-1 strain is inoculated into the DEHP contaminated soil, and meanwhile the flowering cabbage is planted, the root system environment of the flowering cabbage provides available organic matter for the Microbacterium sp.J-1 strain, the inoculated strain can survive in the soil for a long time, and the persistent repairing effect on the contaminated soil can be achieved. Meanwhile, the flowering cabbage with the quality safety up to the standard can be planted, and the mode of 'repairing while production' is realized.
Owner:JINAN UNIVERSITY

Method for planting high-quality forage grass in meadow grassland by applying no-tillage method

The invention relates to a method for planting high-quality forage grass in meadow grassland by applying a no-tillage method. A targeted repair scheme is designed according to different degradation degrees of the meadow grassland, and the problem that the soil nutrients are insufficient is solved by applying a soil conditioner. A high-efficiency root cutting device capable of cutting roots along aplurality of directions is researched and developed according to a soil hardening problem caused by perennial growth of perennial gramineous plants. The invention provides the improvement method, wherein the current situation of the meadow grassland is comprehensively considered, restriction factors of plant growth are reduced or relieved, the cost is low, and the effect is remarkable, so that ecological restoration of the meadow grassland is achieved, and sustainable and healthy development of animal husbandry of the grassland is maintained.
Owner:NORTHWEST INST OF ECO-ENVIRONMENT & RESOURCES CAS

Soil surface cleaning and repairing device

The invention discloses a soil surface cleaning and repairing device. The soil surface cleaning and repairing device structurally comprises a vehicle body, a cockpit and the like, wherein the cockpit is arranged at the top of the vehicle body. The soil surface cleaning and repairing device has the following advantage that in order to solve the problems that more and more garbage exists, especially in rural areas or farmland areas, a large number of garbage flying indiscriminately causes doping of soil shallow layer with the garbage and results in mixing of surface soil of soil with the garbage, after washing of rain water, agglomerates are formed, uneven road surfaces or farmland pollution are caused, and the garbage is generally difficult to degrade and pollutes the environment after being placed for a long time, a recycling mechanism, a dispersing mechanism, a soil collecting mechanism and a compacting mechanism are designed, during use, the surface soil is collected through the soil collecting mechanism and then dispersed through the dispersing mechanism, simultaneously, garbage is recycled through the recycling mechanism, then the recycling mechanism continues to move and collect soil, and simultaneously, the compaction of dispersed soil area is carried out through the compacting mechanism, so that the effect of simultaneous soil surface cleaning, recovery and soil remediation is achieved.
Owner:柴丹丹

Self-repairing in-situ fluorescent tracing type heat-resistant weather-resistant epoxy resin and preparation method thereof

The invention provides self-repairing in-situ fluorescent tracing type heat-resistant weather-resistant epoxy resin and a preparation method thereof. According to the preparation method, glycidyl ethers, glycidyl esters and glycidyl amine are selected as main resin, so that the basic mechanical properties of the resin are ensured; hydantoin epoxy resin and alicyclic epoxy resin are selected as component resin, so that the heat resistance and weather resistance of the resin are improved; an acid curing agent is selected to construct a reversible exchange ester bond to endow the resin with a self-repairing function, acetylacetone metal salt is selected as a catalyst to reduce the curing temperature and catalyze the fracture-generation reaction of the reversible exchange ester bond, and aminated nanoparticles are selected to adjust the temperature resistance of a resin matrix and realize an in-situ fluorescent tracing repairing process. The self-repairing epoxy resin prepared on the basisof the technical scheme is simple in preparation process, high in self-repairing efficiency and diverse in repairing mode, can be subjected to fluorescence tracing in the repairing process, can be used for repairing multiple times,, and can be applied to the fields of pressure containers, electronic packaging, aerospace, transportation, sports goods and the like.
Owner:BEIJING UNIV OF CHEM TECH

Horizontal well injection remediation system and method for pressed and covered contaminated soil or underground water

The invention provides a horizontal well injection repair system and method for pressed and covered contaminated soil or underground water, and the system comprises a well forming unit which is used for forming an underground injection channel at the pressed and covered contaminated soil or underground water; a prefabricated horizontal well unit which is arranged in the underground injection channel and provided with a soil entering section, a transverse section and a soil exiting section; a chemical preparation unit for preparing a chemical and supplying the chemical to a chemical storage tank; and a chemical injection unit which is used for conveying the chemical in the chemical storage tank to the prefabricated horizontal well unit through an injection pump. The prefabricated horizontalwell unit is provided with an outer pipe and an inner pipe to form an inner and outer double structure, and sieve holes with hole sites coinciding and / or staggered are distributed in the pipe walls of the outer pipe and the inner pipe. The difficult problem of restoration under obstacles difficult to overcome during restoration of a vertical injection well can be solved through horizontal chemical injection, zero influence on the earth surface can be basically achieved, and meanwhile pressed and covered polluted media can be restored as much as possible.
Owner:ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD

Soothing mask beneficial to postoperative recovery of facial skin repair and preparation method thereof

The invention relates to a soothing mask beneficial to postoperative recovery of facial skin repair and a preparation method of the soothing mask, and belongs to the technical field of medical cosmetology. The soothing mask solves the problem that symptoms such as redness and swelling, inflammation, pain and the like generated after facial skin repair by injection therapies such as hydro-optical needle and the like cannot be quickly relieved. The invention provides a soothing mask beneficial to postoperative recovery of facial skin repair, wherein the main components of the adipose-derived stem cell exosome composition comprise adipose-derived stem cell exosomes, drug-loaded nano-liposomes, birch juice, allantoin, hydroxyethyl cellulose, glycerin and deionized water. According to the soothing mask, the adipose-derived stem cell exosome and the drug-loaded nano-liposome with the effects of diminishing inflammation and easing pain are compounded to serve as main functional components, rapid absorption of skin can be promoted, and the effects of diminishing swelling, diminishing inflammation, easing pain, resisting allergy and inhibiting bacteria are achieved by utilizing nutrient substances injected by facial skin repair. By means of the mask, symptoms of red, swollen, pain, inflammation and allergy of the postoperative skin of a patient can be quickly relieved, and the facial skin can be repaired as soon as possible.
Owner:赵月

Uniform grass seed scattering device for ecological vegetation restoration

The invention discloses a uniform grass seed scattering device for ecological vegetation restoration. The uniform grass seed scattering device for ecological vegetation restoration comprises a frame, wherein two U-shaped connecting blocks are fixedly connected to each of the left part and the right part of the lower end of the frame, a soil digging device is jointly and movably connected between the two U-shaped connecting blocks on the left side, and a soil pressing device is movably connected between the two U-shaped connecting blocks on the right side; a third chain is connected between the soil pressing device and the soil digging device in a sleeving mode, a handrail is fixedly installed on the right part of the upper end of the frame, an equipment box is fixedly installed on the left part of the upper end of the frame, an installation groove is formed in the upper end of the equipment box, a motor is fixedly installed on the front part in the installation groove, and a glove box is fixedly installed on the rear part in the installation groove; a second chain is arranged between the motor and the soil digging device, and two installation strips are fixedly connected to the middle of the upper end of the frame. The uniform grass seed scattering device for ecological vegetation restoration is high in automation degree and high in linkage performance, energy consumption of the device can be reduced, and the grass seed sowing efficiency can be improved.
Owner:吴瑞强

Compound eluting agent for remediating polycyclic aromatic hydrocarbon contaminated soil and application thereof

The invention relates to a compound eluting agent for remediating polycyclic aromatic hydrocarbon contaminated soil and application thereof. The compound eluting agent comprises a solute and a solvent, the solute is citric acid and alkyl glycoside, the concentration of the citric acid in the compound eluting agent is (0.2 / 3-0.4 / 3) g / L, and the concentration of the alkyl glycoside in the compound eluting agent is (10 / 3-20 / 3) g / L. The application specifically comprises the following steps of: (1) weighing a pretreated soil sample containing polycyclic aromatic hydrocarbon, adding the compound eluting agent, and uniformly mixing to obtain a remediation sample; (2) putting the uniformly mixed remediation sample obtained in the step (1) into a constant-temperature oscillation box, and carrying out oscillation reaction at a constant speed, so as to make the soil in full contact with the compound eluting agent; and (3) in the oscillating reaction process, taking out part of the remediation sample at each set time point, filtering to obtain filtrate and filter residues, and then measuring the concentration of the polycyclic aromatic hydrocarbon in the filtrate. Compared with the prior art, the purposes of efficient and lasting treatment of pollutants and reduction of the remediation cost of the contaminated soil are achieved.
Owner:EAST CHINA UNIV OF SCI & TECH

Information processing method and electronic device

InactiveCN104516787ASolve technical problems that must rely on the operating system to completeRealize the repair effectFault responseStorage cellInput/output
The invention discloses an information processing method and an electronic device. The electronic device comprises a storage unit, wherein firmware of a BIOS (Basic Input / Output System) and an OS (Operating System) are stored in the storage unit. The information processing method comprises calling a repair function module in the POST process of the BIOS; obtaining a file list when the repair function module enjoys the control right of the BIOS; obtaining Q files according to the file list; performing data repair based on the Q files; exiting the enjoyment of the right of control on the BIOS; loading the OS and transferring the control right to the OS through the BIOS when the POST process of the BIOS is achieved, wherein new files after the data repair based on the Q files through the repair function module are simultaneously operated in the OS loading process to achieve the repair or the loading is performed based on the Q files simultaneously to achieve the repair.
Owner:LENOVO (BEIJING) CO LTD

EGF/vitamin E acetate-cyclodextrin liposome as well as preparation method, use method and application thereof

The invention relates to an EGF / vitamin E acetate-cyclodextrin liposome. The EGF / vitamin E acetate-cyclodextrin liposome comprises the following raw materials in parts by weight: 2-50 parts of an EGFstock solution, 2-50 parts of vitamin E acetate, 30-100 parts of cyclodextrin or a cyclodextrin derivative, 100-220 parts of a phospholipid material, 20-70 parts of cholesterol and 40-155 parts of a freeze-drying protective agent. The invention also provides a preparation method of the EGF / vitamin E acetate-cyclodextrin liposome. The invention also provides a use method of the EGF / vitamin E acetate-cyclodextrin liposome. The invention also provides application of the EGF / vitamin E acetate-cyclodextrin liposome in cosmetics. The EGF / vitamin E acetate-cyclodextrin liposome provided by the invention has the following beneficial effects: EGF and vitamin E acetate are encapsulated into a liposome, so that the stability and bioavailability of the EGF and vitamin E acetate are improved; and meanwhile, the EGF and vitamin E acetate can act synergistically to achieve anti-aging and repairing effects on skin together, so as to achieve better skin care results.
Owner:YANTAI KANGDAER PHARMA CO LTD

Anti-allergic repair water and preparation method thereof

The invention discloses anti-allergic repair water and a preparation method thereof. The anti-allergic repair water is prepared from the following raw materials in percentage by weight: 1-2% of glycerin, 4-6% of propylene glycol, 0.02-0.05% of sodium hyaluronate, 0.05-0.1% of hydrolyzed hyaluronic acid, 1-2% of amino acid moisturizer, 0.3-0.5% of antioxidant, 0.5-1% of PPG-10 methyl glucose ether,0.5-1% of hydrolyzed sweet almond protein, 0.02-0.05% of dipotassium glycyrrhizinate, 0.001-0.005% of nano gold, 0.05-0.1% of EGF, 0.2-0.5% of snail secreta filtrate, 0.3-0.5% of rose water, 0.1-0.2%of ganoderma sinensis extract, 0.4-0.5% of 1,2-hexylene glycol and the rest of deionized water. The anti-allergic repair water disclosed by the invention can repair the hyperplastic skin surface cells so that collagen peptide truly enters the corium layer to help repair the skin and rebuild a collagen layer.
Owner:广州诚予化妆品有限公司

Image processing method and device, electronic equipment and storage medium

The invention relates to an image processing method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a face image, wherein the face image comprises a to-be-restored area of a target object; selecting a repair reference area of the to-be-repaired area, wherein the repair reference area comprises the to-be-repaired area and an area adjacent to the to-be-repaired area; updating the pixel value of the to-be-restored area to be 0; dividing the restoration reference area into a plurality of candidate areas with the same size as the to-be-restored area, screening from the plurality of candidate areas to obtain a target candidate area, the pixel average value of the target candidate area, the arrangement position in the pixel average value of each candidate area arranged according to the target sequence being centered, and the pixel average value of the target candidate area being centered; the target sequence comprises a sequence from large to small or a sequence from small to large; and updating the pixel value of the pixel at the corresponding position in the to-be-restored area by using the pixel value of each pixel in the target candidate area to obtain a target face image. According to the invention, the processing speed of performing flaw removal and repair processing on the face image is improved.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD

Precision injection mold

The invention provides a precision injection mold which comprises a vacuum chamber, a liquid storage chamber and a decision box. The top of the vacuum chamber communicates with the liquid storage chamber through a lower through pipe, a plastic melt is stored in the liquid storage chamber, the bottom of the vacuum chamber is provided with a forming chamber, the bottom of the forming chamber is provided with a semicircular sheet, the bottom of the semicircular sheet makes contact with the top of a guide limiting groove, the bottom of the guide limiting groove is fixedly connected with the uppersurface of a substrate through welding, the left part of the upper surface of the substrate is provided with a repairing chamber, the upper surface and the lower surface of the vacuum chamber are provided with an inflow port and an outflow port correspondingly, the inner rear surface of the vacuum chamber is fixedly provided with a transverse limiting strip and a longitudinal limiting strip through welding, and the upper surface of the transverse limiting strip is in contact with the lower surface of a transverse guide arm. According to the technical scheme, the technical problems in the priorart that the device does not have the capability of absorbing and pumping air inside the device, and automatic cover sealing, excitation acceleration forming, automatic inspection and repair and thelike cannot be achieved are solved, and the application and popularization are facilitated.
Owner:黄笃莲

A compound eluent for remediating polycyclic aromatic hydrocarbon-contaminated soil and its application

The invention relates to a compound leaching agent for repairing polycyclic aromatic hydrocarbon-contaminated soil and its application, wherein the compound leaching agent comprises a solute and a solvent, the solute is citric acid and an alkyl glycoside, and the citric acid The concentration in the compound eluent is (0.2 / 3~0.4 / 3) g / L, and the concentration of the alkyl glycoside in the compound eluent is (10 / 3~20 / 3) g / L . The application specifically includes the following steps: (1) weighing the pretreated soil sample containing polycyclic aromatic hydrocarbons, adding a compound eluent and mixing evenly to obtain a repaired sample; (2) mixing the uniformly repaired sample obtained in step (1) The samples were placed in a constant-temperature shaking box for uniform vibration reaction, so that the soil and the compound eluent were fully contacted; (3) During the shaking reaction process, part of the repaired samples were taken out at each predetermined time point, and the filtrate and filter residue were obtained after filtration. The concentration of PAHs in the filtrate was then determined. Compared with the prior art, the present invention achieves the purpose of efficiently and lastingly treating pollutants and reducing the cost of remediation of polluted soil.
Owner:EAST CHINA UNIV OF SCI & TECH

Ancient building repairing and correcting equipment

PendingCN113530290ARealize the effect of auxiliary support and correctionEasy accessBuilding repairsArchitectural engineeringStructural engineering
The invention provides ancient building repairing and correcting equipment. The ancient building repairing and correcting equipment comprises an equipment box, a top plate and an expanding and supporting device, a support groove is formed in the inner wall of the inner face of the equipment box, a rotating shaft is rotationally connected to the top end of the support groove, a support is fixedly connected to a shaft body of the rotating shaft, the tail end of the support is rotationally connected with the rotating shaft, meanwhile supporting feet are fixedly connected to the bottom of the rotating shaft, rubber pads are arranged at the bottoms of the supporting feet, a top plate cabin is formed in the inner wall of the front face of the equipment box, a movable sliding groove is formed in the inner wall of the center of the top plate cabin, clamping grooves are formed in the inner walls of the two sides of the movable sliding groove, and an expanding assembly is fixedly connected to the center of the movable sliding groove and connected with a top plate in a communicating mode. According to the ancient building repairing and correcting equipment, the problems that cultural relics are damaged and personal safety is threatened due to the risk of overall collapse when inclined walls and supporting columns in ancient buildings are repaired, the surfaces of the walls are severely corroded and weathered after being exposed to wind and sun for a long time, and the surfaces of the buildings are prone to being damaged in the repairing process are solved.
Owner:肖开学

Plant extraction liquid capable of preventing hair loss and promoting hair growth, and preparation method of plant extraction liquid capable of preventing hair loss and promoting hair growth

The invention discloses plant extraction liquid capable of preventing hair loss and promoting hair growth, and a preparation method of the plant extraction liquid capable of preventing hair loss and promoting hair growth. The plant extraction liquid capable of preventing hair loss and promoting hair growth comprises tea bran fermentation and extraction liquid and plant extraction liquid, wherein the mass ratio of the tea bran fermentation and extraction liquid to the plant extraction liquid is (0.8-1.25):(0.7-1.25), the tea bran fermentation and extraction liquid is prepared through the stepsof performing treatment on tea bran through active ferment, performing decoction with water, and performing decompressed concentration, and the plant extraction liquid is mixed liquid of fleeceflowerroot extracts, Chinese arborvitae twig and leaf extracts, ecliptae herba extracts, radix angelicae sinensis extracts, white mulberry root bark extracts and licorice root extracts. The plant extractionliquid capable of preventing hair loss and promoting hair growth provided by the invention contains tea bran, fleeceflower roots, Chinese arborvitae twigs and leaves, ecliptae herba, radix angelicaesinensis, white mulberry root bark, licorice roots and the active ferment, and through mutual synergistic reactions of components of various plant extracts, the plant extraction liquid capable of preventing hair loss and promoting hair growth can change blood circulation of heads, activate hair follicles, realize quick hair loss and repair of hair, and achieve the effect of treating both manifestation and root cause of diseases.
Owner:广西冠硕科技有限公司

A self-healing in-situ fluorescent tracer heat-resistant and weather-resistant epoxy resin and its preparation method

The invention provides a self-repairing in-situ fluorescence tracing type heat-resistant and weather-resistant epoxy resin and a preparation method thereof. The preparation method guarantees its basic mechanical properties by selecting glycidyl ethers, glycidyl esters, and glycidyl amines as the main resin, and uses hydantoin epoxy resin and alicyclic epoxy resin as component resins to improve its heat resistance and weather resistance. , choose acidic curing agent to build reversible exchange ester bond to endow it with self-healing function, choose acetylacetone metal salt as catalyst to reduce curing temperature and catalyze the break-generation reaction of reversible exchange ester bond, use aminated nanoparticles to adjust the temperature resistance of resin matrix And realize in situ fluorescent tracer repair process. The self-repairing epoxy resin prepared based on the technical solution of the present invention has simple preparation process, high self-repairing efficiency, various repairing methods, fluorescent tracer in the repairing process, multiple repairs, and can be used in pressure vessels, electronic packaging, aerospace, transportation, etc. Transportation, sporting goods and other fields.
Owner:BEIJING UNIV OF CHEM TECH

Ecological restoration method for urban landscape greening river water area

The invention discloses an ecological restoration method for an urban landscape greening riverway water area, wherein the method comprises the following steps: cleaning floating objects on the water surface of a riverway, arranging a polyamide net at a water flow inlet, inserting submerged plants into non-woven fabrics to form a plant blanket, sinking the plant blanket into the water bottom, and fixing the plant blanket by adopting stones; crushing corn straws, adding peat soil and perlite, fully grinding, carrying out preliminary thermal cracking and deep thermal cracking, and crushing to obtain pretreated straws; uniformly mixing the pretreated straw and sandy soil, adding polyvinyl alcohol and water, granulating, drying, and sintering at high temperature to obtain a spherical material;uniformly mixing the spherical material, bentonite and coal gangue, adding polymaleic anhydride and polyethylene glycol, uniformly mixing, and granulating to obtain submerged planting soil; evenly laying submerged planting soil on the plant blanket, compacting and then filling with loess, building an underwater small island at the position, close to the bank, of a riverway, and forming environments of various microterrains; and slowly putting water into the riverway, and then putting fries into the riverway.
Owner:张艳洁

Female private stimulation collagen tightening and repairing nutrient solution and equipment method

The invention relates to the technical field of subcutaneous repair, in particular to a female private stimulation collagen firming and repairing nutrient solution and equipment and a method. Comprising the following raw materials in parts by weight: 40-50 parts of normal saline, 4-10 parts of an active extract, 2-6 parts of a humectant and 1-3 parts of a regulator, according to the invention, normal saline, an active extract, a humectant and a conditioning agent are used as raw materials to stimulate female private parts, so that collagen is tightened to realize a repairing effect, collagen necessary for a human body is generated, cell propagation is accelerated, autologous growth is realized, the self repairing and regeneration capacity of skin is activated, autologous repairing factors and collagen are generated, and the skin repairing effect is improved. The soft wound separation is carried out on the subcutaneous skin by adopting a light and luxury needle carving technology, so that the effects of no wound, no operation, no injection, no filling and no extraction are realized, and the effects that the female private skin is rich in elasticity and compactness are achieved; the quality of the prepared female private stimulating collagen tightening and repairing nutrient solution is effectively improved and improved.
Owner:艾琳娜医疗管理(南京)有限公司
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