241results about How to "Improve absorption rate" patented technology

The invention provides a wet-type high-power combined laser cleaning method suitable for a heavily-corroded steel structure. S1, measuring the thickness of a rust layer on the steel surface of the steel structure; s2, liquid is sprayed to the surface of the to-be-cleaned area of the steel structure to form a liquid film, and the liquid film is used for increasing the laser absorptivity of the surface of the rust layer; s3, the to-be-cleaned area is preliminarily cleaned through continuous laser, the rust layer is made to be fluffy and stripped through the thermal expansion effect, and the thickness of the rust layer is reduced to be not larger than the target threshold value of preliminary cleaning; s4, performing fine cleaning by using pulse laser to accurately remove a residual stubborn rust layer; s5, the to-be-cleaned area is washed; the device can effectively remove a rust layer on the surface of the steel, reduce plasma and smoke dust generated in the laser cleaning process, ensure the safety and high efficiency of the cleaning process, adopt the combination of continuous laser and pulse laser, clean in stages, effectively improve the cleaning efficiency, and reduce thermal damage to the surface of the steel.

The invention discloses a 7-series aluminum alloy composite light source laser welding method, which is characterized in that stitch welding is carried out on double-layer 7-series aluminum alloy test pieces by using a composite light beam formed by a near-infrared laser beam and a blue laser beam, the thickness of the upper-layer 7-series aluminum alloy test piece is 1-2mm, and the thickness of the lower-layer 7-series aluminum alloy test piece is 2mm; before welding, removing an oxide layer on the surface of the aluminum alloy, then pressing up and down through a jig, and setting welding parameters and paths; during welding, light spots of a near-infrared laser beam and a blue laser beam are concentric and emitted at the same time, the two laser beams are coupled and focused to a swing welding head, and stitch welding is carried out according to set welding parameters and paths; the light spot diameter of the blue light laser beam is larger than that of the near-infrared laser beam. Near-infrared light and blue light form coaxial composite light spots and emit light at the same time, stitch welding is conducted on the double-layer aluminum alloy test piece in combination with the swing welding head, and the stitch welding device has the advantages of being high in welding efficiency, good in air hole state and few in splashing and cracks.

The invention discloses a flame-retardant semi-solid gel electrolyte and a preparation method thereof, and the flame-retardant semi-solid gel electrolyte comprises the following raw materials in parts by weight: 100-120 parts of PVDF resin, 25-30 parts of PPC resin, 5-10 parts of modified hollow ceramic fiber, 3-5 parts of modified nano aluminum hydroxide, 15-20 parts of an organic solvent, and 4-6 parts of a conductive agent. The modified hollow ceramic fiber is a Li0. 5La0. 5TiO3 hollow ceramic fiber subjected to surface grafting modification by 3-aminopropyltrimethoxysilane, the modified nano aluminum hydroxide is an antioxidant flame retardant grafted modified nano aluminum hydroxide, and the antioxidant flame retardant is a triazine derivative containing a hindered phenol structure and a DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) structure. According to the flame-retardant semi-solid gel electrolyte disclosed by the invention, the gel strength of the flame-retardant semi-solid gel electrolyte is improved, meanwhile, the ionic conductivity of the flame-retardant semi-solid gel electrolyte is improved, and the flame-retardant property and the thermal stability of the flame-retardant semi-solid gel electrolyte are improved by adding the modified nano aluminum hydroxide.

The embodiment of the invention relates to the photovoltaic field, and provides a photovoltaic cell and a manufacturing method thereof, a laminated cell and a photovoltaic module, the photovoltaic cell comprises a substrate with a front surface and a back surface opposite to each other along a first direction, and the back surface is provided with first metallized regions and first non-metallized regions which are alternately arranged; the tunneling layer and the doped polycrystalline silicon layer are located on the back face and are sequentially stacked in the first direction; the amorphous silicon layers are arranged at intervals and embedded in the part, located in the first metallization region, of the doped polycrystalline silicon layer, and the first thickness of the amorphous silicon layers is smaller than the second thickness of the part, located in the first non-metallization region, of the doped polycrystalline silicon layer in the first direction; the back electrodes are in one-to-one correspondence with the amorphous silicon layers and are at least in contact connection with the amorphous silicon layers, and the back electrodes are embedded into the amorphous silicon layers with at least partial thickness in the first direction. The embodiment of the invention is at least beneficial to improving the light absorptivity of the substrate and avoiding further permeation of the electrode so as to comprehensively improve the photoelectric conversion efficiency of the photovoltaic cell.

The invention relates to a black coating with adjustable infrared emissivity and a preparation method and application thereof, and belongs to the technical field of optical and infrared coatings, the black coating comprises a black filler, resin and flaky aluminum powder in a mass ratio of 1: (0.3-1.5): (0-2.2). The black coating provided by the invention is black in the visible light wave band and has high visible light absorptivity and low infrared emissivity, and the infrared wave emissivity of the coating and the temperature under infrared thermal imaging can be regulated and controlled by regulating the dosage ratio of the flaky aluminum powder to the black filler in the black coating; and the use requirements of three-dimensional visualization effects of the planar model in the visible light band and the infrared band in different regions, different seasons and different moments can be met.

The invention discloses a multi-spectral-band compatible stealth coating based on a high-entropy alloy and a preparation method of the multi-spectral-band compatible stealth coating, and belongs to the technical field of functional high-entropy alloy coatings and preparation of the functional high-entropy alloy coatings. The problem that the visible light and infrared stealth effect of an existing stealth coating in a wide spectrum range is poor is solved. According to the preparation method, the high-entropy alloy film is prepared through the magnetron sputtering technology, efficient customization of material components and structures is achieved through scientific screening and optimal combination of elements and regulation and control of magnetron sputtering parameters, and therefore the high-entropy alloy film which is uniform, compact and excellent in performance is obtained. Test results show that the visible light band absorptivity of the high-entropy alloy coating is about 0.95, the infrared band emissivity of the high-entropy alloy coating is about 0.05, and multi-spectrum-band compatible stealth in the visible light and infrared spectrum range is achieved.

The invention provides a lactobacillus rhamnosus Lr-Ca011 capable of promoting calcium absorption, a metagen, a calcium product and a nano emulsification and homogenization preparation method of the lactobacillus rhamnosus Lr-Ca011, and belongs to the technical field of probiotics. The lactobacillus rhamnosus Lr-Ca011 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.32037, and the lactobacillus rhamnosus Lr-Ca011 can promote the absorption of calcium. According to the invention, the lactobacillus rhamnosus Lr-Ca011 is used for fermentation to prepare the metagen, and the metagen also has the effect of promoting calcium absorption. In addition, a water phase and an oil phase containing the metabiotics are mixed and dispersed to obtain a crude emulsion, and then a calcium product is obtained by adopting a nano-emulsification homogenization method. According to the nano emulsifying and homogenizing method, the crude emulsion forms more stable nano particles, release of functional components can be effectively controlled, a calcium product has the characteristic of high absorptivity, and the bioavailability of calcium is improved.

The soft plasma arc combined laser-MIG composite welding device comprises a mounting plate, a soft plasma arc welding gun, a laser welding gun head and an MIG welding gun are sequentially mounted on the mounting plate, and the soft plasma arc welding gun and the MIG welding gun can be horizontally, vertically and rotationally adjusted on the mounting plate; the soft plasma arc welding gun forms an upper end shielding gas channel, the upper end of the upper end shielding gas channel is connected with a shielding gas pipe connector, a lower end shielding gas channel, an annular shielding gas cavity and a round hole are formed in the gas nozzle, and the round hole vertically penetrates through the interior of the annular shielding gas cavity to the exterior of the gas nozzle. Compared with the prior art, through the synergistic effect of the soft plasma arc welding gun, the laser welding gun head and the MIG welding gun, the welding penetration depth is increased, the welding speed is increased, the occurrence of welding defects is reduced, and the welding quality is improved. And the welding quality and the welding efficiency are improved.

The invention relates to the field of functional food processing, and discloses a qi-tonifying and blood-activating dietary therapy formula based on the theory of qi and blood in traditional Chinese medicine, which comprises astragalus membranaceus, angelica sinensis, red dates, lycium barbarum, lycium ruthenicum, ginseng, salvia miltiorrhiza, mulberry, lucid ganoderma, cordyceps mycelium, rhodiola rosea, American ginseng, acanthopanax, grape seed extract and chrysanthemum. Through a compound formula based on the theory of qi and blood in traditional Chinese medicine, and by combining various core medicinal materials and functional plants such as the astragalus membranaceus, the angelica sinensis, the ginseng, the lucid ganoderma, the rhodiola rosea and the fructus lycii, the multi-level effects of tonifying qi, enriching blood, activating blood, resisting oxidation and regulating immunity are achieved. The technical effects of comprehensively regulating qi and blood and improving body immunity and resistance are achieved through the synergistic effect of the compound components, compared with a scheme of regulating qi and blood by depending on a single component in the prior art, the compound formula remarkably improves the overall drug effect, solves the problems that a single component is limited in regulating function and insufficient in curative effect, and is suitable for popularization and application. Therefore, the requirements of modern people on comprehensive conditioning and immunity enhancement are met.

The invention belongs to the technical field of metal powder material preparation, and relates to a preparation method of high-performance copper powder with high laser absorptivity and a 3D printing method.The preparation method comprises the following steps that firstly, spherical copper powder, nano ceramic particles and an auxiliary reagent are mixed to obtain mixed powder; 2, putting the mixed powder obtained in the step 1 into a grinding tank, and uniformly grinding and mixing through an acoustic resonance mixer; and 3, the mixed powder obtained after uniform grinding and mixing is placed in a vacuum drying box to be subjected to heat treatment, and the high-performance copper powder with the high laser absorptivity can be obtained after treatment is completed. According to the characteristics of the laser 3D printing technology, the nano ceramic particles are added into the spherical copper powder, the laser absorptivity is effectively improved, and the added auxiliary reagent has the effects of removing an oxidation film on the surface of the copper powder and improving the wettability of the copper powder and the nano particles in the printing process; meanwhile, the nano ceramic particles are used as a reinforcing phase, so that the mechanical property of the pure copper can be effectively improved.

The invention relates to a backlight module and a display device. The backlight module comprises a light source, a fluorescent powder layer and a quantum dot color conversion layer. The light source is configured to emit blue light and ultraviolet light. The fluorescent powder layer is located on a light emitting path of the light source and comprises red fluorescent powder and green fluorescent powder. The quantum dot color conversion layer is located on a light emitting path of the light source and comprises yellow light quantum dots and blue light quantum dots. Thus, when the backlight module emits visible light of five different colors, the conversion efficiency of red light, green light, yellow light and cyan light generated by the fluorescent powder layer and the quantum dot color conversion layer in the backlight module can be considered at the same time, and the power consumption of the backlight module can be reduced.

The invention discloses an electrical control cabinet for an airtight test board of a hydraulic pipeline assembly, and relates to the technical field of electrical control cabinets. The device comprises a device body, a square groove is formed in the right side of the device body, an electrical assembly is arranged in the device body, a plurality of electrical wires are arranged at the bottom of the electrical assembly, a heat dissipation assembly is arranged at the top of the device body and communicates with the interior of the device body, and an airtightness detection assembly is arranged on the left side of the outer wall of the device body. A fixing plate is fixedly installed at the bottom of the device body, and electric push rods are fixedly installed at the four corners of the bottom of the fixing plate and composed of telescopic ends and fixed ends. According to the invention, the direction of the airtightness detection assembly is constantly changed in the testing process of the hydraulic pipeline assembly so as to fit the practical situation that the pipeline is easily interfered by the outside and is pulled to a certain extent in the practical application, so that the airtightness detection data is ensured to be more practical, and the durability of the hydraulic pipeline assembly is detected at the same time.

The utility model relates to an adapter piece, a top cover assembly and a battery, the adapter piece is used for realizing the connection of an electrode terminal and an electrode assembly, the adapter piece comprises a first surface and a second surface which are oppositely arranged along the thickness direction of the adapter piece, the first surface is used for being connected with the electrode assembly, and the second surface is used for being connected with the electrode terminal; wherein the first surface is provided with a plurality of salient points. According to the utility model, the plurality of salient points are arranged on the first surface of the switching piece, so that the roughness of the first surface can be increased, when the switching piece is connected with the electrode of the electrode assembly through laser welding, the arrangement of the salient points can improve the laser absorption rate during laser welding, and the welding strength of the switching piece can be improved under the condition of lower energy consumption; and meanwhile, the welding surface forming can be improved. In addition, according to the battery provided by the utility model, as the welding strength of the adapter plate is improved, dislocation or physical strength between the adapter plate and the electrode assembly can be avoided, the battery is prevented from being broken, the service life of the battery is prolonged, and the reliability is high.

The invention provides a crystalline silicon solar cell with high conversion efficiency and a preparation process thereof, and belongs to the technical field of solar cell preparation. The preparation process comprises the following steps: pretreating a crystal silicon wafer; preparing a bionic micro-nano composite film; preparing a composite structure on the surface of the silicon wafer; preparing the glass powder doped with the phosphorus-doped graphene; preparing a positive electrode conductive slurry; and preparing the crystalline silicon solar cell. The CuS nanocrystals / quantum dots are deposited on the surface of the bionic micro-nano composite film, the effects of antireflection, passivation and sensitization of the silicon wafer can be achieved, the photoelectric conversion efficiency of the battery is further improved, the CuS nanocrystals / quantum dots are deposited, the absorption range of the silicon wafer to the optical wavelength can be increased, and the photoelectric conversion efficiency of the battery is improved. Meanwhile, one absorbed photon can be converted into a plurality of photon-generated carriers through the CuS quantum effect, and the photoelectric conversion efficiency of the cell is improved.

The utility model belongs to the technical field of gas film buildings, and particularly relates to a gas film structure capable of effectively reducing sound focusing in a gas film, which comprises a gas film, a steel wire rope, a sound-absorbing plate and a reinforcing rope, a plurality of hanging rings are arranged at the top of the gas film, one end of the steel wire rope is connected with the hanging rings in a hanging manner, and the other end of the steel wire rope is connected with the sound-absorbing plate in a hanging manner. The adjacent sound absorption plates are arranged in an up-down staggered mode, and the reinforcing rope is connected with a plurality of steel wire ropes in a tying and hanging mode. The plurality of sound-absorbing plates which are arranged in an up-down staggered manner can enable part of sound waves reflected by the upper sound-absorbing plate to be reflected by the lower sound-absorbing plate again, so that the sound waves are absorbed for multiple times, and the sound attenuation effect is effectively improved; a plurality of steel wire ropes can be connected into a whole through the reinforcing ropes, and the hanging stability of the acoustic board is improved.

The invention provides a middle and far infrared broadband metamaterial absorber and a design method thereof. The middle and far infrared broadband metamaterial absorber comprises metamaterial absorption units which are arranged in a periodic array mode. The whole metamaterial absorption unit is square and comprises a top metal layer, a dielectric layer and a bottom metal layer from top to bottom in sequence. The top metal layer is attached to the upper surface of the dielectric layer and is formed by arranging eight metal sheets according to a certain arrangement mode, namely a circular metal sheet which is arranged at the central position of the upper surface of the dielectric layer, and the center of the circular metal sheet is aligned with the center of the upper surface of the dielectric layer; three annular metal sheets concentric with the circular metal sheet surround the periphery of the circular metal sheet, and gaps exist between the circular metal sheet and the annular metal sheet on the innermost layer and between the annular metal sheets on the adjacent layers from inside to outside. And the four metal square sheets with the same size are respectively arranged at four corners of the upper surface of the dielectric layer. The absorption bandwidth is greatly prolonged, and perfect absorption of a target wave band can be infinitely approached by adjusting geometric parameters of the absorber.

The invention discloses low-alcohol rose and litchi monascus rice wine and a making method thereof, and belongs to the technical field of food and beverage fermentation engineering. The rose and the litchi are organically combined with the monascus rice wine, the composite flavor of the rose and the litchi is given to the monascus rice wine, the defect that a traditional monascus rice wine body is prominent in sourness is overcome, and meanwhile the mood after drinking of the monascus rice wine can be relieved through the sedative effect of the rose and vitamin B in the litchi; in addition, polyphenol compounds, flavonoid compounds and vitamin C are introduced into the wine body, the polyphenol compounds in the roses and vitamin C antioxidant components in the litchis cooperate with each other, the antioxidant effect of the monascus rice wine is enhanced, damage caused by oxidative stress is reduced, and the health-care effect of the monascus rice wine is improved. The litchi is rich in vitamin C, so that the absorption of non-heme iron in the roses is effectively improved, the absorption rate of the iron element is improved, and the monascus rice wine also has an excellent anti-oxidation effect and an effect of promoting the absorption of the iron element.

The invention discloses a moisturizing anti-wrinkle polypeptide composition as well as a preparation method and application thereof, and relates to the technical field of daily chemical materials. The invention discloses a preparation method of a moisturizing and anti-wrinkle polypeptide composition, which comprises the following steps: uniformly stirring meadowfoam seed oil, caprylic acid / capric acid / succinic triglyceride and polypeptide liposome to obtain the moisturizing and anti-wrinkle polypeptide composition, wherein the polypeptide liposome is prepared by taking a combination of soybean lecithin, modified cholesterol and cholesterol as a capsule material and taking acetyl hexapeptide-8, snake venom peptide and a blue copper peptide compound as a core material through an ethanol injection method. The modified cholesterol is obtained by modifying cholesterol, the modified cholesterol is added into the capsule material, the defects that an existing liposome material is prone to aggregation and leakage, poor in stability and the like are effectively overcome, and the prepared material is good in stability, capable of being slowly released, high in skin retention amount and capable of being more easily absorbed by skin cells; the function of obviously delaying skin aging is realized.

The invention belongs to the technical field of special meal liquid nutrition, and discloses an energy-controlled liquid nutrition composition and a preparation method thereof, the energy-controlled liquid nutrition composition comprises the following components by mass: 2-10 parts of milk-derived protein, 0-3 parts of peptide, 3-12 parts of a carbohydrate raw material, 0.5-5 parts of vegetable oil, and 0.1-6 parts of a dietary fiber raw material; 0.05 to 0.5 part of vitamin premix, 0 to 0.1 part of mineral premix and 0 to 0.8 part of L-carnitine; 0.05-2 parts of an emulsifying agent, 0.01-1 part of a thickening agent, 0.05-1 part of a pH regulator, 0-0.1 part of a sweetening agent, 0-1 part of a flavor substance and the balance of water, and the total amount of the components is 100 parts. Through an emulsification technology and a complex nutrition system stabilization technology, the prepared liquid milk energy-control meal replacement product does not need to be brewed and can be drunk after a bottle and a bag are opened. The pH value of the prepared nanoscale emulsion product is neutral or nearly neutral, so that the high-quality milk-derived protein is stably applied, and the phenomena of precipitation, layering, fat floating and the like are avoided.

The invention discloses an ultra-black coating with wide-angle absorption as well as a preparation method and application of the ultra-black coating, and belongs to the technical field of ultra-black coatings and preparation of the ultra-black coatings. The problem that an existing ultra-black coating cannot present extremely low scattering and high absorptivity under large-angle incident light is solved. According to the method, carbon black is used as an absorbent, a high-temperature-resistant silica sol solution is used as a binder, a stable structure is formed by adopting a one-step sintering method, and meanwhile, an ultra-black coating with a forest-shaped light trap array structure is constructed. The refractive index of the surface of the coating is obviously changed by utilizing the forest-shaped array structure on the surface of the ultra-black coating, so that the optical reflection of the surface is reduced; the surface forest-like light trap structures are closely arranged, so that light incident from each angle can be reflected back and forth in the structure, the incident light is absorbed to the greatest extent, stable high light absorption at a wide angle is realized, the reflectivity of the ultra-black coating does not change obviously along with the angle of the incident light, and the deep space detection precision of a space optical system is improved.

The invention belongs to the technical field of functional food, and particularly relates to a nutritional supplement composition containing various vitamins and mineral substances. The nutritional supplement composition comprises the following components: black pure fat chocolate, vitamin A, vitamin D3, vitamin E, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin C, folic acid, nicotinamide, biotin, calcium pantothenate, heavy magnesium carbonate, ferrous fumarate, zinc gluconate, sodium selenite, copper sulfate, potassium iodide, manganese gluconate and calcium carbonate. The preparation method comprises the following steps: preparing a powder premix; then adding the powder premix into the molten black pure fat chocolate and stirring; the materials are prepared into an inner core containing vitamins and mineral substances through a chocolate forming machine, and then the inner core is coated. The multivitamin mineral sugared pill product provided by the invention is good in taste and stable in effective components, and can effectively relieve fatigue, promote physical and psychological health, improve sleep and improve memory.

The invention relates to the technical field of nodular cast iron production, in particular to iron casting equipment spheroidizing through magnesium metal blocks and a spheroidizing method.The iron casting equipment comprises a supporting table, a workbench is arranged at the top of the supporting table, a supporting plate is fixedly connected to the top of the workbench, and a dust removal structure is arranged at the bottom of the supporting plate; a storage box, a robot and a master console are arranged on the surface of the workbench, a sealing thrust structure is arranged at the top of the supporting table, a sealing spheroidizing structure and a sealing structure are arranged at the bottom of the supporting plate, a ladle transport vehicle is arranged on the surface of the sealing thrust structure, and a ladle barrel is detachably installed on the surface of the ladle transport vehicle. The first air cylinder is started to lift the pushing plate, and meanwhile, the ladle transport vehicle and the ladle barrel are lifted, so that the ladle barrel is in contact with and covers the pressure detection head and is in contact with the sealing strip for sealing, and the volatilization loss of a metal magnesium block in the reaction process is reduced when the ladle barrel is subjected to subsequent spheroidizing; and the splashing phenomenon generated during the reaction can be prevented.

This invention discloses a method for controlling sulfides in sulfur-containing gear steel, belonging to the field of metallurgical technology, including converter, LF refining, RH refining, and continuous casting processes. Converter process: molten steel tapping temperature 1630±20℃, carbon-oxygen product controlled below 0.0020; LF refining process: aluminum content in molten steel controlled at 0.035-0.045%, LF slag composition adjusted to R: 1.5-2.5, FeO+MnO: 1.0-2.0%; RH refining process: ferrotitanium added in one step to adjust the composition appropriately; Continuous casting process: argon-blown stopper rods and submerged entry nozzles are used for continuous casting, and 150-200 kg of low-basicity tundish covering agent is added to the tundish. The sulfur-containing gear steel produced by this invention can be continuously drawn for more than 10 heats, and the level of Class A inclusions can be stably controlled at A coarse ≤ 1.0 grade and A fine ≤ 1.5 grade, with a pass rate of over 99.9%.

The present invention relates to a pharmaceutical composition that efficiently increases the absorption rate of a large physiologically active substance in the body; and specifically to a pharmaceutical composition comprising: (i) a large physiologically active substance; and (ii) excipient A comprising a bile acid derivative or (iii) excipient B comprising a compound having CYP450 inhibition, an antioxidant effect, or gastrointestinal enzyme activity inhibitory effect, and a method for preparing same.

This invention discloses a method for producing crop cultivation substrate using sugarcane filter mud and sugarcane pith as main raw materials, comprising the following steps: (1) dissolving and diluting 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid in water to obtain a solution; (2) mixing sugarcane slurry, sugarcane pith, the 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid solution, fermentation agent, and improver, adjusting the moisture content, and then composting and fermenting. The compost is turned over every few days and continuously composted and fermented for several days to obtain the crop cultivation substrate. The crop cultivation substrate produced by this invention is of excellent quality, allowing direct planting of plants without root burn. Therefore, this invention, using sugarcane filter mud and sugarcane pith as main raw materials to prepare and produce crop cultivation substrate, can effectively solve the problem of comprehensive utilization of sugarcane filter mud and improve product sales.

The present invention provides a wave-absorbing honeycomb core material and a wave-absorbing honeycomb core sandwich structure. The wave-absorbing honeycomb core material includes a honeycomb matrix, a resin bonding portion and a wave-absorbing material, wherein the resin bonding portion fixes the wave-absorbing material on the honeycomb matrix, and the wave-absorbing material is a surface-metallized hollow glass microsphere. The present application uses metallized hollow glass microspheres to replace the dielectric material and ferromagnetic material commonly used in wave honeycomb core materials in the prior art as wave absorbers. The metal-coated hollow glass microspheres have the advantages of low density and large specific surface area, and the hollow structure formed by loading the metal on the surface of the hollow glass microspheres has a thin metal coating on the one hand, which can effectively reduce the skin effect caused by the metal material, so that the electromagnetic waves can enter the interior of the wave-absorbing material, effectively improving the magnetic loss; on the other hand, after the electromagnetic waves enter the hollow microspheres, they will be reflected multiple times inside, further improving the absorption rate of the electromagnetic waves, thereby effectively improving the low-frequency wave absorbing performance.

The utility model belongs to the technical field of tail gas treatment devices, and particularly relates to a tail gas absorption device of a stearate reaction kettle, which comprises a filter assembly for filtering gas and an adsorption assembly for adsorbing the gas, the filter assembly comprises a first shell, a first filter structure and a first material pipe, the first filtering structure is separably arranged in the first cavity and divides the first cavity into a gas cavity and a material cavity which are distributed up and down, one side of the gas cavity is connected with a first gas pipe, and the other end of the first gas pipe is communicated with the adsorption assembly. Compared with the prior art, direct contact between the discharging end of the reaction kettle and the outside atmosphere is changed into indirect contact through the filtering assembly and the adsorption assembly, tail gas leakage caused by direct tail gas suction is avoided, the tail gas absorption rate can be improved, on the one hand, solid-gas separation is conducted on products in the first cavity through the first filtering structure, and the product quality is improved. Therefore, the condition that a small amount of products are taken away during tail gas recovery is reduced.

The invention discloses a Yao bath powder surfactant and a preparation method thereof. The surfactant aims at improving the medicine effect and user experience of Yao bath powder. The Yao bath powder surfactant is prepared from the following raw materials in parts by weight: 4-12 parts of hawthorn leaves, 3-9 parts of all-grass of common tickclover, 4-10 parts of radix puerariae, 6-12 parts of polygonum cuspidatum, 5-15 parts of acanthopanax, 4-12 parts of mussaenda pubescens, 8-16 parts of chamomile, 5-9 parts of astragalus membranaceus, 4-12 parts of glossy privet fruit, 4-12 parts of semen cuscutae, 6-12 parts of codonopsis pilosula and 8-16 parts of erodium stephanianum willd. The invention also provides a preparation method of the Yao bath powder surfactant, which comprises the following steps: firstly, respectively weighing the raw materials in parts by weight; then, uniformly mixing the raw materials, crushing, and sieving (the mesh number is 80-100 meshes); then carrying out sterilization treatment, preferably adopting an infrared sterilization mode; and finally, packaging the treated powder to obtain the Yao bath powder surfactant. The Yao bath powder surfactant disclosed by the invention takes various natural Chinese herbal medicines as raw materials, and has various effects of invigorating spleen and replenishing qi, nourishing heart and tranquilizing mind, soothing liver and relieving depression and the like. The unique surface active component can enhance the contact effect of the Yao bath powder and the human skin, so that the drug effect absorption is improved, and meanwhile, the user experience is improved. In addition, the surfactant is safe and free of side effects, and is suitable for various people, especially people needing to regulate body functions and improve health conditions.

The utility model discloses intelligent LED light irradiation brightness detection equipment, which belongs to the technical field of LED lamp detection equipment and comprises a photoelectric sensor, a support is fixedly connected outside the photoelectric sensor, a light blocking shell is erected on the upper portion of the support, and a light blocking cover is erected at the upper end of the light blocking shell. The support comprises a support body, and the lower end of the support body is provided with a wire installation port in a hollowed-out mode. The support further comprises supporting legs, and the supporting legs are evenly and fixedly connected to the lower end of the base body. The light blocking shell comprises a shell body, a light absorption grating and a butt joint ring, the light absorption grating is evenly and fixedly connected to the inner end of the shell body, the butt joint ring is fixedly connected to the lower end of the shell body, a target LED lamp is placed in the light blocking cover, after the LED lamp is turned on, light rays penetrate through the light blocking shell to irradiate the photoelectric sensor, brightness detection is conducted through the photoelectric sensor, and the brightness of the target LED lamp is detected. When the detection distance needs to be increased, only the number of the light blocking shells needs to be increased, and interference on detection of the LED light intensity is reduced conveniently.