148results about How to "Stable storage" patented technology

The application relates to the technical field of liquid chromatography tandem mass spectrometry all-in-one machines, in particular to a high-performance liquid chromatography tandem mass spectrometry all-in-one machine which comprises a bottle box, the top of the bottle box is used for placing a solvent bottle, a fixing clamping plate for limiting the solvent bottle is arranged on the bottle box, a side edge buckle slot is formed in the side edge of the bottle box, a refrigeration box is arranged in the side edge cooling box, an intelligent control screen is mounted on the surface of the refrigeration box, a pull-out box is connected to the side edge cooling box through a pull-out slot, and a box handle is arranged on the pull-out box. On the sample management, the refrigeration box in the side edge cooling box cooperates with the intelligent control screen to realize intelligent temperature control, the influence of manual operation on the refrigeration environment is avoided, the arc-shaped clamping groove, the rubber pad and the compression spring structure in the pull-out box can stably clamp a test tube, the sample pollution risk is reduced, the detection precision is improved, and meanwhile, the detachable connection design of the fixing clamping plate enhances the use flexibility of the equipment.

The invention relates to the technical field of nano materials and biomedical engineering, and discloses a dye-sensitized rare earth up-conversion luminescent nano material as well as a preparation method and application thereof. The dye-sensitized rare earth up-conversion luminescent nano-material comprises a rare earth doped up-conversion nano-particle core, an unsaturated fatty acid salt self-assembled shell layer and a near-infrared dye modified on the surface of the rare earth doped up-conversion nano-particle. The unsaturated fatty acid salt coating layer endows the material with excellent water dispersibility through a hydrophilic group; a hydrophobic chain segment and an unsaturated double bond can effectively block water and oxygen permeation and quench singlet oxygen, so that the photobleaching half-life period of the material is increased by 86.7 times or more compared with that of a conventional coating material, and the light stability is excellent; the material successfully realizes efficient up-conversion luminescence under excitation of a low-power near-infrared light emitting diode (NIR LED, the power density of which can be as low as 100mW / cm < 2 >), and thoroughly gets rid of dependence on a high-cost and high-risk laser.

The invention provides a liquid red direct dye and a preparation method thereof, and the method comprises the following steps: S1, dispersing 2-amino-5-naphthol-7-sulfonic acid and bis (trichloromethyl) carbonate in water, adjusting the pH value of a reaction system by using a first organic base, and reacting to obtain a scarlet acid aqueous solution; s2, dispersing a sulfo aromatic amine compound and nitrite in water, adjusting the pH value of a reaction system by using inorganic acid, reacting to obtain sulfo aromatic amine diazonium salt precipitate, and performing solid-liquid separation to obtain sulfo aromatic amine diazonium salt; and S3, adding the sulfonic aromatic amine diazonium salt in the step S2 into the scarlet acid aqueous solution in the step S1, adjusting the pH value of the reaction system by using second organic alkali, and reacting to obtain the liquid red direct dye. Through the preparation method, the red direct dye which can stably exist in a liquid form and is suitable for direct use can be obtained.

The application belongs to the technical field of food preparation, and relates to a preparation method of PE emulsion prepared from citrus peel residues and high-dietary-fiber fat-reducing mayonnaise. The preparation method of the PE emulsion is as follows: (1) the dried and crushed citrus peel residues are soaked and pretreated with acidic oxidized electrolytic water, and after the soaking is completed, the activated materials are obtained by washing, drying and sieving; (2) the activated materials are mixed with water and then subjected to water bath heating treatment, and the citrus peel residue fiber concentrate is obtained by drying the residue; (3) the citrus peel residue fiber concentrate is dispersed and then subjected to colloid mill pretreatment and wet ball milling, and the citrus peel residue-based colloid suspension is obtained after the wet ball milling; and (4) the citrus peel residue-based colloid suspension is mixed with vegetable oil and then subjected to shearing homogenization to obtain a coarse emulsion, and then the coarse emulsion is subjected to ultrasonic treatment, and finally the citrus peel residue-based PE emulsion is obtained. The problems of unstable structure, easy oxidation, poor storage stability and poor taste of the fat-reducing mayonnaise prepared by using the PE emulsion are solved.

The utility model relates to the technical field of agricultural product detection, in particular to a portable sampling box for agricultural product detection, which comprises a main body, the main body comprises a box body, the outer surface of the box body is movably connected with a box cover and a handle, the inner surface of the box body is fixedly connected with a side plate, and the inner surface of the box body is provided with an ice box and a sampling tank. According to the portable sampling box disclosed by the utility model, the propping plate is arranged on the inner surface of the box body and is propped against a plurality of groups of sampling tanks, so that the sampling tanks can be limited between the propping plate and the box body when the sampling box shakes in a moving process during carrying, and the condition that the tank bodies collide with one another and the tank bodies and the box body or side plates are collided due to inertia is avoided; meanwhile, a supporting spring is arranged in a mounting bin, so that enough supporting force can be provided, the supporting spring acts on a movable rod through a movable plate to be connected with an inserting groove in an inserting mode, mounting of an abutting plate can be more stable, and the effect of rapid dismounting and mounting is achieved.

The utility model relates to outdoor articles technical field discloses a kind of multi-fuel portable conical outdoor cooking device, including double-layer conical plate one, the double-layer conical plate one includes double-layer conical plate two, the top inner wall of double-layer conical plate two is fixedly connected with two support rods one, the top of two the support rod one is fixedly connected with pot one, the top of pot one is fixedly connected with top cover one. Including single-layer conical plate, the top of single-layer conical plate is fixedly connected with two support rods two, the inside of double-layer conical plate one is provided with alcohol stove, and the inside of single-layer conical plate and double-layer conical plate is provided with alcohol stove. In the utility model, effectively handle the problem that outdoor cooking device exists in use cannot adapt to multiple fuels and combustion is unstable and fuel efficiency is low. The diversity of outdoor cooking experience is improved, and more universal cooking solution is provided for outdoor enthusiasts.

This application provides a charging case, relating to the field of electronic atomization technology. The charging case includes a main body and a cover. The main body includes a charging space for charging a first device containing a power source and a storage space for storing a second device containing an aerosol generation matrix. The charging case can charge the power source in the first device, thereby extending the battery life of the first device. The second device can replace the original second device on the first device, or the second device can replenish the aerosol generation matrix for the first device, thereby extending the battery life of the aerosol generation matrix. The cover is configured to both cover and open the storage space, allowing the storage space to be individually covered or opened, so that the second device can be stably stored in the storage space without being affected by the removal of the first device when it is not needed.

The utility model relates to the technical field of blank storage machines, and discloses a blank storage machine of a rock plate manufacturing line, which comprises a support frame, an up-down moving structure is arranged on the inner wall of the support frame, a second conveying belt and a first conveying belt are arranged on the inner wall of the support frame, and a moving platform is arranged on the side wall of the first conveying belt. A storage support is arranged on the side wall of the moving platform, a first supporting plate is fixedly connected to the bottom of the up-down moving structure, and a driving assembly is arranged at the bottom of the first supporting plate. The driving assembly comprises a first hydraulic cylinder, and the top of the first hydraulic cylinder is fixedly connected to the bottom of the first supporting plate. According to the stone blank clamping device, the output end of the first hydraulic cylinder drives the moving blocks to move, the moving blocks drive the connecting rod to rotate, the connecting rod gathers the moving blocks on the other side, and the problems that due to the difference of shapes, sizes or surface textures of stone blanks, clamping is not stable, scraping, fragmentation or edge damage are likely to be caused, and the rejection rate is increased are solved; and the diversity of the blank storage machine of the rock plate manufacturing line is improved.

The utility model provides a kind of for herbicide's assembled pesticide packaging barrel, it is related to pesticide packaging barrel technical field, the utility model includes packaging barrel body, barrel cover is installed in the opening of packaging barrel body, the surface of packaging barrel body is provided with handle, the surface of packaging barrel body is provided with stabilizing device, wherein stabilizing device is connected fixed with the packaging barrel body of superimposed placement by means of stabilizing plate and fixed frame, the stabilizing device includes two installation shafts, wherein the arc surface of installation shaft is rotatably provided with stabilizing plate, the arc surface of packaging barrel body is located fixedly connected with two fixed frames, wherein the inner wall specification size of stabilizing plate and fixed frame is compatible, the stability of the utility model's pesticide packaging barrel body when superimposed placement can be better guaranteed, not prone to sway and dump, guarantee the stable storage of herbicide, guarantee the security of storage, more conveniently storage and transportation use.

This invention relates to a copper nanofluid, a plating method, and a seed layer. The problem this invention aims to solve is to form a well-adhesive coating in ceramics, engineering plastics, etc., without using a precious metal catalyst. The copper nanofluid of this invention comprises copper nanoparticles dispersed in a solvent and aminosilane triol dissolved in the solvent. The solvent contains propylene glycol monomethyl ether. The plating method of this invention forms a coating (4) by electroless copper plating on a seed layer (3) formed by heating and curing the copper nanofluid (2). The seed layer (3) of this invention is composed of a substance formed by heating and curing the copper nanofluid (2), formed on the surface of the adherend, containing copper nanoparticles, forming siloxane bonds formed by the dehydration condensation of aminosilane triol, and without residual aminosilane triol.

The invention relates to a water treatment agent and a preparation method and application thereof, and the preparation method comprises the following steps: (1) adding an organic additive and hydrogen peroxide into an ammonia water solution to prepare a mixed solution I, carrying out electrolytic reaction, and aging to obtain sol; (2) dissolving acrylamide and a cationic monomer in water to obtain a mixed solution II; (3) adding the mixed solution II into the sol in the step (1) to obtain a mixed solution III; and (4) adding an initiator into the mixed solution III, and carrying out polymerization reaction to prepare the water treatment agent. According to the method disclosed by the invention, introduction of heteroanions is avoided, efficient in-situ polymerization of organic components on inorganic components is improved, the problem of low molecular weight of the medicament caused by initiation of an anion inhibition chain is solved, and the prepared medicament has excellent defluorination and flocculation capabilities.

The utility model belongs to the field of oil stain collection, concretely relates to an oil stain collection structure and yaw bearing oil discharge collection structure. One kind of oil stain collection structure, including annular strong magnet and oil stain collection pipe, the lower end of annular strong magnet with the upper end of oil stain collection pipe fixed connection, the lower end of oil stain collection pipe is provided with internal thread. The utility model's annular strong magnet can enhance the sealing performance of oil stain collection structure and yaw bearing oil discharge port, prevents waste oil leakage.

The utility model belongs to the technical field of drawing tables, and particularly relates to a drawing table capable of being stored and folded, which comprises an outer shell, an unfolding assembly comprises a two-way screw rod, connecting seats are fixedly arranged on two sides of a fixing seat, and the two-way screw rod is rotatably arranged in a sliding groove formed in the top surface of each connecting seat. The outer sides of the two ends of the bidirectional lead screw are sleeved with a first sliding block and a second sliding block in a threaded connection mode respectively, connecting bases are fixedly arranged on the top faces of the first sliding block and the second sliding block and rotationally connected with one end of a movable rod, and the other end of the movable rod is rotationally connected with the bottom face of a movable plate. A placement plate is rotatably arranged between the two sets of limiting plates and connected with an angle adjusting assembly arranged on one side of one set of limiting plates, the angle adjusting assembly comprises a first worm gear, a shaft rod of the first worm gear is connected with one end of the placement plate in a penetrating mode, and one side of the first worm gear is connected with a first worm in an engaged mode; the problems that a traditional drawing table is rigid and fixed in overall structure, large in occupied area and inconvenient to carry are solved.

The utility model discloses a kind of yellow water filtering assembly for yellow water tank, including brewing mechanism, the inside of brewing mechanism is equipped with multiple separation filtering mechanism, brewing mechanism includes yellow water tank body, the inside of yellow water tank body bottom end is rotatably connected with transmission shaft, the outside of transmission shaft upper end is equipped with jacking disc, the both sides of jacking disc are slidably connected with guide vertical bar, the upper end of two guide vertical bars is equipped with a sealed partition seat;Separation filtering mechanism includes protective frame, the inside of protective frame is equipped with filter cover, the inside of filter cover bottom end is slidably connected with slide base, the inside of slide base is equipped with multiple guide vane, the side of each guide vane is equipped with multiple guide holes, the inside of slide base bottom end is equipped with filter filling block.The utility model is by in the process of yellow water leakage and carries out gas injection, effectively isolates yellow water and air, keeps the stability of yellow water collection and storage;While it is convenient to carry out reverse flushing when yellow water filters, improve filtering effect.

The utility model discloses a contact detection device for failure analysis of an automobile production line, which belongs to the line detection jig technology and comprises a universal meter and a contact connection mechanism, and a connection lead is inserted into the surface of the universal meter. The contact connecting mechanism comprises an alligator clip electrically connected to one end of the connecting wire, the bottom of the alligator clip is rotatably connected with a conductive column, and the surface of the conductive column is fixedly connected with a conductive pen; detection personnel can freely select the connection mode with the line contact through the contact connection mechanism so as to meet the detection requirements under different space limitations, and the detection personnel do not need to store various types of contact connection structures, so that the detection personnel can store and use the contact connection structures more conveniently.

This invention provides a method for synthesizing dimethyl carbonate, belonging to the field of carbonate compound synthesis technology. The synthesis method of this invention does not require high temperature and high pressure conditions, and can be carried out at room temperature and pressure, significantly reducing energy consumption and equipment requirements. By coupling the reduction and oxidation reactions of photoelectrochemical carbon dioxide conversion, the synthesis energy barrier of dimethyl carbonate is lowered, improving energy utilization efficiency. Using greenhouse gas carbon dioxide as the main raw material, waste resource utilization is achieved, and the energy used is clean energy such as solar or electrical energy, avoiding pollution at the source. This invention couples the carbon dioxide conversion and dimethyl carbonate synthesis steps, realizing the recycling of the reactant methanol within the system, simplifying the process flow. The combined use of light and electrical energy produces a synergistic effect, improving the reaction rate and the selectivity of dimethyl carbonate.

This invention discloses a transfer cart for disposable sterile multilayer co-extruded bags, belonging to the field of transport trolley technology. It includes a cart body with rollers connected to the bottom. The interior of the cart body has multiple partitions forming compartments and storage slots. Fixed telescopic frames are placed within the compartments and storage slots, and locking mechanisms are connected to the fixed telescopic frames. This invention is applied to the transportation process of disposable sterile multilayer co-extruded bags, solving the problems of easy confusion and repeated loading and unloading during transportation. It also improves the stability of the loaded disposable sterile multilayer co-extruded bags, thereby increasing transportation efficiency, and provides protection during transport using the transfer cart.

This invention discloses a corona-resistant insulating varnish for enameled wire and its preparation method, belonging to the technical field of insulating coatings. The raw materials for preparing the corona-resistant insulating varnish for enameled wire include aromatic tricarboxylic anhydride, aromatic diisocyanate, and hydroxyl-modified composite nanoparticles; the hydroxyl-modified composite nanoparticles comprise silica nanoparticles and layered double hydroxides. This invention significantly increases the hydroxyl modification density by introducing layered double hydroxides and silica composites, enabling the composite particles to be covalently anchored to the prepolymer backbone through esterification, resulting in uniform release after curing. This achieves a balance between storage stability and curing uniformity, making it suitable for enameled wire applications in high-voltage motors.

The utility model discloses a forward stacking aluminum ingot which comprises an aluminum ingot body, a protruding plate is arranged in the middle of the upper surface of the aluminum ingot body, a first groove is formed in the middle of the upper surface of the protruding plate, and a second groove distributed corresponding to the protruding plate is formed in the middle of the bottom of the aluminum ingot body. Protruding blocks distributed corresponding to the first grooves are arranged in the middles of the bottoms of the second grooves, inserting columns are arranged at the four corners of the upper surface of the aluminum ingot body, and inserting holes are formed in the four corners of the bottom of the aluminum ingot body. The upper aluminum ingot and the lower aluminum ingot can be firmly meshed together through the matching between the concave edge and the convex edge, the matching between the convex plate and the second groove, the matching between the convex block and the first groove and the matching between the insertion column and the insertion hole, so that the stacking stability and reliability are ensured, the orderly stacking of the upper aluminum ingot and the lower aluminum ingot can be effectively ensured, and the production efficiency is improved. And the phenomenon of loosening and collapsing caused by deviation between the upper aluminum ingot and the lower aluminum ingot is avoided.

The application provides a method for biosynthesis of linoleic acid-rich oil by Yarrowia lipolytica. The recombinant Yarrowia lipolytica is constructed by two levels of gene operation, the first level aims to improve the proportion of linoleic acid in oil, and the second level aims to improve the biosynthesis capacity of total oil. The construction method of the Yarrowia lipolytica provided by the application is simple, and the constructed Yarrowia lipolytica can biosynthesize linoleic acid-rich oil efficiently, on the one hand, the oil synthesis capacity is improved, and on the other hand, the proportion of linoleic acid in oil is also significantly improved, so that the Yarrowia lipolytica can replace the plant-derived linoleic acid oil and be applied in food and industry.

The application belongs to the technical field of microorganisms, and particularly relates to a nano-coated growth promoting microbial agent and a composite growth promoting microbial agent, and a preparation method and application thereof. The nano-coated growth promoting microbial agent comprises a growth promoting microbial agent and a nano-coating formed by self-assembly of plant-derived polyphenols and soluble multi-valence metal ions on the surface of the growth promoting microbial agent. The composite growth promoting microbial agent contains the nano-coated growth promoting microbial agent and a prebiotic. The key of the application is to form a nano-coating by self-assembly of plant-derived polyphenols and soluble multi-valence metal ions on the surface of the growth promoting microbial agent. Based on the interaction between the nano-coated growth promoting microbial agents in the interfoliar space, the leaf surface adhesion performance of the growth promoting microbial agents is significantly enhanced, the loss rate of the growth promoting microbial agents under rainwater scouring is effectively reduced, and the survival and colonization of the growth promoting microbial agents in the interfoliar space are enhanced.

This utility model relates to the field of animal disease sampling technology and discloses a sampler for tissue samples from frozen dead cattle and sheep, including an electric drill body, a toothed disc a, a toothed disc b, a drill rod, and an installation sleeve; the surface of the installation sleeve has two vertical grooves symmetrically opened, and the inner cavity of the two vertical grooves is slidably connected to a push plate through a guide rod, and a compression spring a is provided between the push plate and the installation sleeve; the surface of the installation sleeve has two horizontal grooves symmetrically opened, and a composite locking structure of "locking block + compression spring b" is adopted: when the push plate moves to the sample storage position, the locking block, under the continuous elastic force of the compression spring b, resets along the guide groove through the guide block, and its top is tightly fitted with the surface of the guide rod to form a rigid limit. When the electric drill rotates at high speed and generates centrifugal force, the locking block can stably lock the guide rod, completely avoiding accidental movement of the push plate, ensuring stable storage of the sample in the sample storage space, effectively preventing loss or contamination caused by premature sample ejection, and significantly improving sampling reliability.

The utility model discloses a rod connecting device and a jumbolter, and relates to the technical field of jumbolters, the rod connecting device comprises a drill rod warehouse and a rod connecting mechanism, the drill rod warehouse is flat, the drill rod warehouse is used for storing drill rods arranged in the first direction, and the drill rod warehouse is provided with a rod falling opening allowing the drill rods to fall down; the rod connecting mechanism can move relative to the drill rod warehouse in the second direction perpendicular to the first direction, the rod connecting mechanism is provided with a grabbing position and a non-grabbing position in the second direction, and the rod connecting mechanism is configured to block the rod falling opening when the rod connecting mechanism is located at the non-grabbing position and open the rod falling opening and grab the drill rod falling from the rod falling opening when the rod connecting mechanism is located at the grabbing position. The rod connecting device solves the problems that a traditional rod connecting device is large in size and the safety of the rod connecting process is difficult to guarantee.

The utility model discloses a kind of tobacco leaf boxing packing workstations, including rack, tobacco frame conveying device, tobacco frame turnover mechanism, packaging box conveying device and tobacco leaf compaction mechanism. Tobacco frame conveying device is located on the upper portion of rack, for input full load tobacco frame and output empty tobacco frame, it includes interval arrangement and form the input of blanking port, output conveyor belt. Tobacco frame turnover mechanism is equipped with two, respectively corresponding input conveyor belt and blanking port, each turnover mechanism includes by the drive swing arm driven turnover frame, and tobacco frame clamping release mechanism, cover plate and cover plate turnover mechanism installed on it, reliable clamping and turnover tobacco frame are carried out automatic unloading. Packaging box conveying device is located in the lower portion of rack to receive tobacco leaf. Tobacco leaf compaction mechanism is used to compact tobacco leaf in box. The utility model realizes the full-automatic, continuous transfer and packaging of tobacco leaf from tobacco frame to packaging box, greatly improves operation efficiency, reduces labor intensity.

This invention discloses a hydrophilic organosilicon finishing agent and its preparation method, belonging to the field of textile auxiliaries technology. The finishing agent is prepared by compounding polyurethane-modified silicone oil and amide-modified polyether silicone oil at a mass ratio of 1:1~2, followed by emulsification with an emulsifier. The polyurethane-modified silicone oil is obtained by polymerizing a blocked polyurethane prepolymer with terminal epoxy polyether silicone oil and block silicone oil; the amide-modified polyether silicone oil is obtained by amidation reaction of terminal epoxy polyether silicone oil and polyether amine in the presence of organic acid. This invention, through the synergistic effect of the two-component compound, provides skeletal support and elastic recovery through polyurethane segments and a hydrophilic surface layer through amide groups, effectively solving the problem of balancing hand feel and hydrophilicity in nylon-spandex fabrics. The finished fabric hand feel rating can reach level 4 or higher, water droplet diffusion time can be as low as 0.9s, the emulsion has good stability, and it is not prone to oil drift, significantly superior to similar products on the market.

The application discloses a pharmaceutical composition for treating cardiovascular diseases and a preparation method and application thereof. The composition comprises perindopril or a pharmaceutically acceptable salt thereof, amlodipine or a pharmaceutically acceptable salt thereof and amino-modified silicon dioxide. The amino-modified silicon dioxide is prepared by modifying the surface of silicon dioxide by using 3-aminopropyl triethoxysilane as a coupling agent. The composition of the application can be stored stably without adding an antioxidant, and especially, can avoid or reduce impurities generated by oxidative degradation of perindopril and amlodipine, and improves the safety of the medicine.

This invention discloses a compact prefabricated metal enclosed ring main unit, relating to the field of ring main unit technology. It solves the problems of existing technologies, such as difficulty in balancing heat dissipation and protection, inconvenient disassembly and maintenance, and high maintenance costs. The invention includes an outer protective cover; a ring main unit housed within the outer protective cover; an electric lifting cylinder fixedly mounted on the top surface of the outer protective cover, with its piston rod connected to the top surface of the ring main unit for driving the ring main unit to extend or retract into the outer protective cover; and a heat dissipation device comprising a curved heat dissipation pipe fixed within the outer protective cover and movably embedded in the bottom surface of the outer protective cover. Through the coordinated design of the lifting structure and the heat dissipation device, this invention achieves automatic heat dissipation during operation and protection during non-operational states. It features a compact structure, high heat dissipation efficiency, and good protective performance, making it suitable for compact outdoor power distribution scenarios.

The application discloses an inorganic silicon modified water-based corrosion and rust prevention paint containing functional polysiloxane as well as a preparation method and application thereof. The paint contains, in parts by weight, 30-60 parts of a water-based hybrid acrylic emulsion, 1-15 parts of functional polysiloxane, 5-25 parts of inorganic silicon-based corrosion inhibitor filler, 10-40 parts of pigment and filler, 1-5 parts of water-based additive, and the balance of water. The functional polysiloxane is amino or silanol / alkoxy functionalized polysiloxane emulsion; and the inorganic silicon-based corrosion inhibitor filler is a combination of calcium ion exchange type silica gel pigment and calcium silicate. The inorganic hybrid emulsion, the functional polysiloxane and the inorganic silicon corrosion inhibitor pigment are compounded to endow the coating with excellent physical shielding property, active corrosion inhibition and surface hydrophobicity, realize fast drying, high hardness, excellent water and salt fog resistance and long-acting corrosion prevention performance, and especially can adapt to the harsh requirements of marine environment for the water-based corrosion prevention paint, which has important significance for the development of the shipbuilding industry.