34results about How to "Improve fullness" patented technology

The present application provides a medium rolling method for producing Φ12mm hot-rolled ribbed steel bars by split rolling, wherein the medium rolling uses and only uses three rolling mills, which are No. 7, No. 8, and No. 9 in order of rolling, and No. 10 is an empty process; by changing to the flat material discharging process of the last stand No. 9 of the medium rolling, the No. 10 rolling mill is no longer used, and the power consumption per ton of steel is saved by 1.8KW / ton, and the cost per ton of steel is reduced by 1.17 yuan; the width expansion of the pre-finishing rolling No. 13 is 10mm larger than the same period last year, the pre-cut hole type is well filled, the line difference fluctuation is reduced to 3-8 meters, and the single negative difference fluctuation is controlled at about 0.5mm; the wear of the rolling groove of the No. 9 rolling mill is slowed down, and it is replaced every 3 days, which can be completed by 2 people in 30 minutes; the fullness of the pre-cut hole type and the cutting hole type is increased from 85% to 90%, and the two line differences are reduced from twice to once per shift, and the bundle weight difference is increased by 0.1%.

The application provides a gas explosion device, a gas explosion system and an ignition method applied to a film and television fireworks special effect. The gas explosion device comprises: a combustible medium container for storing combustible medium; a driving assembly comprising a driving assembly body with a first cavity and a moving piece, the moving piece being located in the first cavity, the moving piece comprising a puncture part; a driving piece arranged in the first cavity and located on one side of the moving piece, used for generating driving kinetic energy to push the moving piece to move; and a first charge arranged in the puncture part of the moving piece, used for ignition after the puncture part pierces into the combustible medium container, so as to ignite the combustible medium in the combustible medium container. The gas explosion device, the gas explosion system and the ignition method are used to achieve the effect of instantaneous complete explosion under the condition of meeting safety.

The invention discloses a grouting auxiliary system, system and method, and belongs to the technical field of grouting, a grouting auxiliary device comprises a grout outlet shell, a containing cavity is formed in the grout outlet shell, a grout outlet communicated with the containing cavity is formed in the grout outlet shell, grout can penetrate through the containing cavity and is discharged through the grout outlet, and a hole to be grouted is filled with the grout; the peripheral surface of the slurry outlet shell is a pressed surface, and the static pressure of the slurry acts on the pressed surface; the grout can push the grout outlet shell to move in the direction close to the opening of the to-be-grouted hole. According to the grouting auxiliary device, the fullness of slurry distribution during grouting can be improved, the optimal pipe pulling force and moving speed of the grouting auxiliary device are adjusted according to the actual scene of the to-be-grouted hole, and therefore the risk that the slurry outlet pipe is wrapped is reduced, the grouting auxiliary device is more practical, and the construction quality of the anchor rod can be reflected conveniently.

The utility model relates to the technical field of electronic cigarettes, and discloses a ceramic atomization core heating wire which comprises a heating wire body and a grabbing foot. The two ends of the heating wire are electrically connected with the two electrodes respectively. At least two heating wires are wound on the ceramic atomizing core side by side at a set interval in a snake-shaped or bow-shaped manner, and the two heating wires are densely distributed to form a heating area; and the electrode and the heating wire in the heating area are fixed on the ceramic atomizing core through grabbing feet. The at least two heating wires are arranged on the ceramic atomizing core side by side at the set interval, so that the heating uniformity is ensured, the atomizing efficiency and quality are improved, the fine taste and plumpness are improved, local heat accumulation can be effectively avoided, and carbon deposition generated by insufficient combustion is reduced; the coiled heating wire is fixed through the grabbing feet, the position of the heating wire is stabilized, the risk that the heating wire shifts or is separated from the atomization core is reduced, and therefore heating uniformity is kept.

The application discloses a cyclone combustion system of a wing wall furnace boiler, wherein the lower furnace, the main combustion area furnace and the upper furnace all comprise a front wall, a right side wall, a back wall and a left side wall; the front wall, the right side wall, the back wall and the left side wall of the main combustion area furnace are all provided with inclined wing walls between two adjacent sides; each of the four wing walls is provided with a wind distribution chamber; each of the four wind distribution chambers is provided with a burnout air device and two or more layers of cyclone pulverized coal burners from top to bottom; the axes of the burner nozzles of the cyclone pulverized coal burners of the same layer in the four wind distribution chambers are arranged in a diagonal line in pairs; and the cyclone pulverized coal burners of the same layer in the four wind distribution chambers are all connected with the same coal mill; the application can improve the self-stable combustion capacity, the uniformity of the airflow in the furnace and the flame fullness, avoid the flame brushing the wall, realize the good combustion air power flow field organization in the furnace, precisely control the smoke temperature deviation, ensure the safe operation of the large-capacity high-parameter boiler and better meet the high-index requirement of the new generation of coal power technology.

The invention provides a composition for improving the yield of seedless white grapes and improving the quality of dried grapes and a flower and fruit management method, and belongs to the technical field of fruit tree planting. The method comprises the following steps: treating clusters by using 60-100mg / L gibberellin GA3 7-10 days before flowering in a grape inflorescence separation period; when the fruit setting is stable and the size of the fruit grains is mung bean grains, 40-60 mg / L of GA3 + 5-15 mg / L of GA4 + 7 is compounded with 1-2 mg / L of chloro biurea to treat the swelling fruits. Under the condition that the weight of fresh seedless white grapes cultivated through the method is obviously increased, the drying rate and plumpness of raisins are kept at a high level, the browning rate of raisins is kept at a low level close to those of raisins without a plant growth regulator, and the problem that after a conventional plant growth regulator is adopted for treatment in production, the yield of the raisins is increased is solved. The browning rate of the seedless white grapes is obviously increased.

The utility model relates to the technical field of synthetic leather, in particular to anti-mite warm-keeping synthetic leather, which can prevent mites from entering the inside of cloth through gaps in the cloth and directly contacting with the skin of a human body by arranging a sealing layer, and can reduce the breeding of the mites by arranging a first anti-mite layer and a second anti-mite layer, so that the anti-mite warm-keeping synthetic leather has a good anti-mite effect. The anti-mite effect is improved; the surface layer is covered with the oleophobic layer, and the oleophobic layer is made of nano silicon dioxide, so that the synthetic leather cannot be polluted by oil stains, and subsequent cleaning and use are facilitated; according to the synthetic leather, the middle interlayer is arranged between the base cloth layer and the sealing layer, the interlayers are uniformly arranged in the middle interlayer, and the interlayers are filled with the down feather, so that the heat preservation effect of the whole synthetic leather is improved, and the plumpness and softness of the synthetic leather can be improved.

The invention discloses a polymer retanning fatliquor as well as a preparation method and application thereof. The polymer retanning fatliquor is prepared from castor oil polyoxyethylene ether, acrylic acid and methacrylic acid as main raw materials through free radical graft polymerization reaction in a water phase under the action of an initiator. As a nonionic amphiphilic castor oil polyoxyethylene ether monomer structural unit is introduced into a copolymer molecular chain of the retanning and fatting agent, the retanning and fatting agent is applied to a leather retanning and fatting process, not only has relatively good acid-resistant stability, but also can enable a leather blank to have good softness, oily feeling and fullness.

The invention belongs to the field of coatings, and particularly discloses varnish as well as a preparation method and application thereof, and the varnish comprises the following components in parts by mass: 30-40 parts of acrylic resin containing epoxy groups, 30-40 parts of acrylic resin containing carboxylic acid groups, 6-10 parts of anti-sagging resin, 0.5-1 part of a closed drier, 3-10 parts of an auxiliary agent and 11-33 parts of a solvent. According to the varnish, the acrylic resin containing epoxy groups and the acrylic resin containing carboxylic acid groups are adopted as main film forming substances, the epoxy groups are subjected to ring opening and polymerization reaction with carboxylic acid during film forming, a paint film does not shrink, the prepared paint film has good appearance and excellent fullness, and meanwhile, due to a special crosslinking system of the paint, the paint film is not prone to falling off, so that the paint film is not prone to falling off. And the paint film has excellent wear resistance and chemical resistance.

The invention discloses a superfine fiber water-based polyurethane foamed synthetic leather, comprising a base fabric and a foamed water-based polyurethane layer; the base fabric is a double-layer structure with a surface layer and an inner layer, the surface layer is a nap layer, and the inner layer is a lattice layer; the base fabric comprises a surface weft, an inner weft, a surface warp and an inner warp; the surface weft, the inner weft, the surface warp and the inner warp are all superfine fiber yarns; the surface weft and the surface warp are interwoven into the surface layer of the base fabric using a surface tissue, and the inner weft and the inner warp are interwoven into the inner layer of the base fabric using an inner tissue; the surface tissue is a satin texture with five three-fly wefts, and the inner tissue is a plain weave; the surface layer and the inner layer are connected by nodes formed by interweaving the surface warp and the inner weft, and nodes formed by interweaving the inner warp and the surface weft; the lattice layer of the base fabric has pores for water-based polyurethane to enter the base fabric, and the foamed water-based polyurethane layer is filled between the surface layer and the inner layer of the base fabric. The superfine fiber water-based polyurethane foamed synthetic leather has a good sense of thickness, a soft and delicate hand feel, a good surface smoothness and a good air permeability and water absorption.

The invention provides a device and method for improving the flame fullness degree of a hearth of an angle type combustion boiler, the device comprises the angle type combustion boiler and a plurality of fan coal mills corresponding to the angle type combustion boiler, each fan coal mill is provided with a plurality of outlet pipelines, each outlet pipeline of the same fan coal mill is connected with a burner, and the burner is connected with the angle type combustion boiler. The combustor is connected with a hearth of the angle type combustion boiler, the outlet pipelines guide pulverized coal into the combustor, the combustor ignites the pulverized coal and sprays the pulverized coal into the hearth for combustion, and the outlet pipelines of the fan coal mills are arranged in a layered mode in the direction perpendicular to the ground. The outlet pipelines in the same layer have the same height from the ground, and the flow direction of pulverized coal in the outlet pipelines is parallel to the ground; the fan coal mills corresponding to the multiple outlet pipelines in the same layer are symmetrically distributed relative to the hearth, and the fan coal mills corresponding to the multiple outlet pipelines in different layers are adjacently distributed relative to the hearth.

The invention discloses cheese capable of being shaped by spraying as well as a preparation method and application of the cheese capable of being shaped by spraying. The raw materials comprise 7%-10% of casein powder, 2%-6% of skimmed milk powder, 25%-30% of anhydrous cream, 0.5%-1.5% of pea protein powder, 0.1%-0.3% of whey protein powder, 0.3%-0.9% of an emulsifying agent, 0.3%-0.5% of milk mineral salt, 0.5%-0.9% of hydroxy propyl distarch phosphate, 5%-15% of citrus fibers, 0.5%-3% of sodium carboxymethyl cellulose, 0.3%-1.1% of colloid, 0.03%-0.1% of a fermentation bacterium agent and the balance of water. The manufactured cheese product capable of being shaped by spraying is uniform and fine in taste and light and fluffy in texture, and when the cheese product is sprayed above tea drinks, the phenomena of collapse, deformation and mutual dissolution of the cheese product and the tea drinks cannot occur above the tea drinks within 20 min. When the cheese tea is eaten, rich cheese fragrance and fresh tea fragrance can be tasted at the same time, the flavor is progressive layer by layer, and the matching is more palatable.

The application provides a doped modified tobacco sheet and a preparation method and application thereof, and the preparation method comprises the following steps: (1) Ti3AlC2 is subjected to one-step etching treatment, mixed with ammonium oleate and a solvent to obtain an ammonium oleate modified layered titanium carbide dispersion liquid; (2) the ammonium oleate modified layered titanium carbide dispersion liquid is mixed with an oil acid coated Fe3O4 nanocrystal dispersion liquid, the solvent is removed, and after annealing treatment, a modified material is obtained through two-step etching treatment; (3) the modified material, tobacco raw materials, a binder and a solvent are mixed, and after post-treatment, the doped modified tobacco sheet is obtained. The two-dimensional / mesoporous carbon skeleton superlattice modified material is added in the tobacco sheet, the heat and mass transfer performance of the tobacco sheet can be enhanced, on one hand, the cigarette combustion performance is improved, on the other hand, the release amount of essence and spices added in the coating liquid is increased, the smoke fullness and flavor components are increased, the smoking quality is improved, and the taste is improved.

The utility model relates to the technical field of pre-stressed anchor cable grouting operation at the positions of caverns, side slopes and the like in hydraulic engineering, in particular to a rock mass pre-stressed anchor cable grouting system which comprises an intervention pipe, and the two ends of the intervention pipe are connected with a grouting pump pipeline and a slurry inlet pipe embedded in a rock mass respectively. A valve C is mounted on the branch pipe, a valve A and a valve B are mounted on the intervention pipe on the two sides of the branch pipe respectively, and a pressure gauge is further mounted on the intervention pipe. The intervention pipe provided with the valves A-C is arranged on an existing grouting pipeline, so that the quality and pressure of grout can be observed and judged before the grout is discharged into a rock mass, grouting can be carried out according to grouting pressure with different requirements and different pressure stabilizing time, the quality of the grouting grout is guaranteed, the pressure stabilizing time is convenient to monitor, and the grouting efficiency is improved. The fullness of grouting slurry can be improved, and meanwhile the grouting efficiency is improved.

The utility model relates to the field of agricultural machinery, in particular to a leveling device for ridging and seeding, which comprises a rack, the adjusting shaft is movably connected with the rack, and an elastic pre-tightening assembly is arranged on the adjusting shaft; one end of the shaping plate is rotationally connected with the rack, the other end of the shaping plate is rotationally connected with the elastic pre-tightening assembly, the shaping plate is provided with an inclined shaping face facing the advancing direction of the rack, and the included angle between the inclined shaping face and the horizontal plane ranges from 5 degrees to 30 degrees. The leveling device for ridging and sowing can be adjusted in a self-adaptive profiling mode according to ridge height changes, the structure is adjustable, performance is stable, the application range is wide, and production cost is saved.

The invention relates to the technical field of movie and television animation imaging, and discloses a special three-dimensional phantom imaging device for movie and television animations, which comprises a shell and a phantom imaging box fixed on the shell, the shell is fixedly provided with a host, a loudspeaker and a control panel, the bottom in the phantom imaging box is provided with a display, and the phantom imaging box is provided with a display. Two openings are formed in the top of the phantom imaging box, and a reflection assembly is detachably installed in one opening. According to the special three-dimensional phantom imaging equipment for the movie and television animation, a single-color background plate is provided for single movie and television animation three-dimensional phantom demonstration through the arrangement of the initial background plate, and corresponding scenes and props are provided in cooperation with movie and television animation phantom imaging through the arrangement of the sand table scene piece in the scene assembly; through the arrangement of the conversion piece, the positions of the sand table scene pieces can be converted, and then the phantom imaging demonstration work of different film and television animations is met.

The present invention discloses a hydrogen stable combustion ammonia burner, the structure from the center to the outside includes a coaxially arranged first-stage hydrogen spray gun, a first-stage cyclone, a first-stage ammonia spray gun, a second-stage cyclone, a second-stage hydrogen spray gun, a second-stage ammonia spray gun, a direct current wind interlayer, a third-stage hydrogen spray gun, and a third-stage ammonia spray gun. Ammonia and hydrogen enter the ammonia gas collecting ring and the hydrogen gas collecting ring respectively, and each fuel realizes three-stage fuel classification through spray guns designed at different radial positions; wherein, the second-stage hydrogen spray gun and the second-stage ammonia spray gun are arranged alternately in the second-stage cyclone; the third-stage hydrogen spray gun and the third-stage ammonia spray gun are arranged in a coaxial sleeve type. The combustion-supporting wind enters from the combustion-supporting wind inlet, and is divided into three stages through the first-stage cyclone, the second-stage cyclone, and the direct current wind interlayer, wherein the first-stage cyclone is a strong cyclone, and the second-stage cyclone is a weak cyclone. The present invention uses ammonia as the main fuel and hydrogen as the auxiliary fuel, and performs staged combustion and stage-by-stage stable combustion, thereby improving the stability and burnout of ammonia combustion and reducing nitrogen oxide emissions.

The present invention discloses a chrome-free tanning agent and a preparation method and application thereof. The chrome-free tanning agent comprises, by weight, 100 parts of starch, 40 to 100 parts of a saccharide modifier, 10 to 50 parts of an oxidant, 200 to 400 parts of a nano-silicon compound, and 50 to 100 parts of water. In the present invention, starch is degraded and oxidized to form a low-molecular polysaccharide containing carboxyl and aldehyde groups, and the polysaccharide molecules are bonded with the nano-silicon compound to form a stable organic-inorganic hybrid. The nano-hybrid of soft and hard molecules can easily penetrate into the leather during the tanning process, and the aldehyde and carboxyl groups carried can react with the amino groups of collagen in the skin. At the same time, the nano-silicon compound is bonded to the polysaccharide molecules, so that the leather can be given excellent fullness, firmness, softness and tear resistance.

The utility model relates to the field of feed machinery, and disclose a kind of conditioning quality protector, including shell, the top opening of one end of shell is provided with feed inlet, the bottom opening of one end of shell is provided with discharge port, departing from feed inlet, the inside axial place of shell is provided with conditioning rotor, one end of shell is provided with the variable-frequency speed reducer motor for driving conditioning rotor to rotate, significantly prolong conditioning time, improve feed quality by the helical structure design of pusher screw and the speed regulation function of variable-frequency speed reducer motor, it can be to fullness in shell of material is improved to more than 3 times of traditional equipment, conditioning time is prolonged from several tens of seconds of traditional equipment to more than 3 minutes.Sufficient conditioning time can ensure that material and steam are fully mixed, strengthen sterilization effect (sterilization rate is improved by more than 40%) and material modification degree, the pasting degree of finished feed is improved by 25%-30%, the uniformity of particle hardness is improved by 15%, significantly improve the palatability and digestibility of feed.

The invention discloses a medium powder coating for vacuum plating as well as a preparation method and application thereof, and relates to the technical field of coatings. The powder coating disclosed by the invention is prepared from the following components in parts by mass: 100 to 150 parts of isocyanate-terminated polyether modified epoxy resin, 50 to 100 parts of hydroxyl-terminated phenol curing agent, 5 to 15 parts of dicyandiamide curing agent and 4 to 15 parts of auxiliary agent. A coating prepared from the powder coating provided by the invention has the advantages of high gloss, high fullness, high brilliance, high leveling, high corrosion resistance, high mechanical property and the like, meanwhile, the coating hardly has appearance defects such as pinholes, shrinkage cavities and the like, can meet the requirements of PVD vacuum plating dielectric layers, and is particularly suitable for PVD vacuum plating of hubs.

The present application relates to a non-woven fabric spunlace jacquard processing equipment, which belongs to the field of non-woven fabric production. It includes a frame, on which a fiber feeding platform pre-wetting spunlace machine is provided, and three sets of spunlace machines are composed; the first and second spunlace machines are mainly used for fiber entanglement, and the third spunlace machine is used for trimming and jacquard processing of the surface of the non-woven fabric. The feeding platform spunlace machine and the jacquard station are respectively responsible for the two opposite sides of the fabric, and also include a power-assisting roller, which is rotatably connected to the frame, the rotation plane of the power-assisting roller is parallel to the moving direction of the fabric, and the peripheral surface of the power-assisting roller abuts against the fabric. The present application applies auxiliary pressure to the fabric through the power-assisting roller, thereby increasing the interaction force between the fabric and the jacquard surface, thereby increasing the fullness of the texture particles formed by the jacquard on the fabric.

The invention discloses polyester resin for indoor powder coating as well as preparation and application thereof, and belongs to the technical field of polyester resin. The polyester resin comprises the following raw material components in percentage by mass: 32.0-45.0% of linear aliphatic dihydric alcohol with a side group; 1.0 to 2.5 percent of a branching agent; 0 to 1.5 percent of aliphatic cyclic dihydric alcohol; 45 to 58 percent of aromatic polybasic acid; 0 to 1.5 percent of alicyclic polybasic acid; 1.0-6.0% of an end-capping reagent A saturated long straight chain single fatty acid; 4.0 to 8.0 percent of end-capping reagent B isophthalic acid; 1.0-3.0% of an auxiliary agent A hydroxyl acrylic resin; 0.03 to 0.5 percent of an auxiliary agent B; and 0.05 to 0.15% of an esterification catalyst. According to the polyester resin for the indoor powder coating, a main chain structure, a branched structure and an end-capping structure of the polyester resin are improved, and the hydroxyl acrylic resin is added, so that the polyester resin can be cured with a TGIC (or HAA) curing agent, a cured coating film has the advantages of excellent leveling property, excellent boiling resistance, fine surface and the like, and can replace a polyester / epoxy powder coating system; therefore, the residues of bisphenol A and trimellitic anhydride in the powder coating are avoided.

The invention discloses a forming device for processing self-heating rice food, which relates to the technical field of forming devices, and comprises a machine body, a fixed cylinder and a rotating cylinder. The forming device for processing self-heating rice food adds dried shrimp powder to rice flour, so that the rice grains have the edible value of astaxanthin after forming, and ensures that the self-heating rice has both seafood taste and healthy nutritional supplements. By forming a waiting material a1 area, an extrusion forming a2 area, a rotation and uniform pressing a3 area, a continuous material discharging a4 area and a pretreatment and blowing a5 area between the rotating cylinder and the fixed cylinder, the preformed rice grains can be received into a pressure shell in the waiting material a1 area, and the rotating cylinder can extrude the rice on the inner wall of the fixed cylinder through the pressure shells distributed at equal angles, and realize smooth and full pressing operation on the rice grains through the uniform pressing roller, so as to ensure that the forming device can realize high-fullness rice grain forming processing when making the rice grains of self-heating rice.

This invention relates to the field of food sauce technology, and more particularly to a wasabi and mushroom sauce and its preparation method. The wasabi and mushroom sauce is prepared from the following raw materials in parts by weight: 80-120 parts wasabi granules, 5-20 parts wasabi oil granules, 150-300 parts diced mushrooms, 30-60 parts edible oil, 10-30 parts sweetener, 8-12 parts edible salt, 4-10 parts thickener, and an appropriate amount of water. This invention combines wasabi granules with highly stable wasabi oil granules. The wasabi oil granules are obtained by solidifying a Pickering emulsion stabilized with sodium octenyl succinate starch / microcrystalline cellulose and hydrogenated palm oil, exhibiting excellent protection and sustained-release effects against isothiocyanates, etc. The added diced mushrooms enrich the chewy texture. The wasabi and mushroom sauce maintains a high ITC content after storage, with a long-lasting flavor and rich taste, combining the aroma of real wasabi, the umami of mushrooms, and a full-bodied chewy texture.

The invention relates to a preparation method of ultralow-tar flue-cured tobacco type fine cigarettes, which comprises the following steps: selecting tobacco leaves with low sugar content and high alkali content according to a formula of a low-tar fine tobacco leaf group, and blending with low-tar high-aroma slices; determining key process parameters of the low-temperature aroma-keeping processing technology; the low-tar charging and perfuming design comprises a material liquid module and a perfuming module; the feed liquid module is mainly composed of a caramel sweet system; the perfuming module is mainly used for roasting fragrance and fruit fragrance and endows the set spicy fragrance and flower fragrance, and the effects of improving the fragrance quality, improving the sweetness and improving the taste are achieved; the low-tar fine cigarette auxiliary material is a high-adsorption and medium-ventilation dilution auxiliary material. According to the technical scheme, the flavor blending main material tobacco which is low in sugar-alkali ratio, high in alkali content, rich in fragrance, good in fragrance quality and sufficient in concentration is selected, so that the fragrance and the plumpness of smoke are increased, and the smoking satisfaction is improved; high-adsorption and medium-ventilation dilution auxiliary materials are matched, so that the aroma quality and the comfort degree of the low-tar cigarettes are improved.

The invention discloses a building block mortar joint control device, and relates to the field of building construction equipment, according to the technical scheme, the building block mortar joint control device comprises a positioning frame used for moving on a wall, the positioning frame comprises two oppositely-arranged L-shaped positioning rods, and the two ends of the two positioning rods are fixedly connected through screws; the positioning rods are respectively provided with a control panel used for controlling the thickness of the mortar joint, and the shape of the control panel corresponds to the shape of the positioning rod. A sliding rod is fixedly arranged on the horizontal portion of each positioning rod, and a mortar laying mechanism used for building block plastering is arranged on the sliding rods in a sliding mode. The construction method has the beneficial effects that the widths of horizontal mortar joints on the upper surfaces and vertical mortar joints on the side faces of the building blocks can be controlled, the problems that the thickness of the mortar joints of the building blocks on the construction site is uneven, and the mortar joints are poor in impression are solved, and the construction efficiency and the mortar joint plumpness are improved; the whole device is simple in structure, convenient to use and high in practicability.

The invention relates to the technical field of fruit and vegetable freshness detection, in particular to an automatic detection method and system applied to fruit and vegetable freshness, and the method comprises the following steps: obtaining a grey-scale map of a to-be-detected fruit and vegetable, and obtaining a to-be-detected fruit and vegetable grain edge cluster according to the grey-scale map; calculating the covering degree of the to-be-detected fruit and vegetable grain edge cluster, obtaining the grain density of the to-be-detected fruit and vegetable grain edge cluster according to the covering degree, and further obtaining the plumpness of the to-be-detected fruit and vegetable grain according to the grain density; obtaining to-be-detected fruit and vegetable grain pixel points in the to-be-detected fruit and vegetable grain edge cluster, selecting and calculating loss values of the to-be-detected fruit and vegetable grain pixel points, and calculating the sugar analysis degree of the to-be-detected fruits and vegetables according to the to-be-detected fruit and vegetable grain pixel point corresponding to the minimum loss value; the freshness of the fruits and vegetables to be detected is obtained according to the plumpness and the sugar analysis degree, and when the freshness is lower than a preset freshness threshold value, the freshness of the fruits and vegetables to be detected is unqualified. According to the invention, the freshness of fruits and vegetables can be detected more accurately.

The invention relates to the technical field of water-based wood paints, in particular to a water-based two-component solid-color top coating material for high-temperature coating and a preparation method and application of the water-based two-component solid-color top coating material. The component A comprises 40-50 parts of a water-based secondary hydroxyl dispersion, 10-20 parts of a water-based hydroxyl polyurethane dispersion, 0.5-1 part of a wetting dispersant, 2-4 parts of a coalescing agent, 0.5-1 part of a defoaming agent, 3-5 parts of a wax dispersion liquid, 0.5-1 part of a rheological agent, 1-3 parts of a low-molecular polymer, 0.1-0.3 part of a pH regulator, 1-3 parts of a delustering agent, 22-28 parts of white slurry and 10-20 parts of water, and the component B comprises 70-80 parts of water dispersible isocyanate, 20-30 parts of an environment-friendly solvent and 0.5 part of a dehydrating agent. According to the water-based two-component solid-color topcoat material for high-temperature coating and the preparation method and application thereof, the application performance of topcoat in a high-temperature environment is further improved under the condition that good properties such as high hardness, high fullness and high resistance are guaranteed.

The application belongs to the technical field of prestressed construction of building engineering, and discloses a vacuum-assisted negative pressure grouting device and method for post-tensioned bonded prestressed steel bars, which comprises a grouting system, a vacuum system, and two sealing joints. The grouting system comprises a storage tank, one end of a material conveying pipeline is communicated with a material conveying end of the storage tank, and the other end of the material conveying pipeline is communicated with a grouting hole on a hole sealing plate. The vacuum system comprises a vacuum pump and a negative pressure filtering container, one end of a vacuum pumping pipeline is communicated with a vacuum pumping end of the vacuum pump, the other end of the vacuum pumping pipeline is communicated with a slurry outlet hole on the hole sealing plate through the negative pressure filtering container, and a filtering element is arranged in the negative pressure filtering container. The two sealing joints are respectively used for sealingly connecting the material conveying pipeline and the vacuum pumping pipeline with the grouting hole and the slurry outlet hole. The application effectively prevents the cement slurry from being sucked into the vacuum pump, avoids equipment damage, ensures the absolute sealing of the pipeline interface during the grouting process, improves the fullness and compactness of the hole grouting, and thus guarantees the durability and structural safety of the prestressed steel bars.

This invention discloses a novel microstructure for a plastic surface and its molding process, comprising: adding injection molding material into a barrel, plasticizing and metering it; closing the mold and preheating the mold cavity surface to a first preset temperature, wherein the first preset temperature is greater than the Tg temperature of the injection molding material; filling the injection molding material in the barrel into the mold cavity to form an injection molded part; after filling, switching to a holding pressure state to hold the injection molded part under pressure; after holding the pressure, opening the cooling channel and cooling the mold and the injection molded part to a second preset temperature; opening the mold and ejecting the injection molded part. Compared with the prior art, the process of this invention can produce microstructures with full shapes and compact arrangement to achieve diffuse reflection of incident light, and has high molding efficiency and low cost.