217results about How to "Increase exposure" patented technology

The invention discloses a p-methyl benzyl chloride production process and a production system thereof, p-xylene side chains and chlorine are subjected to a gas phase substitution reaction under micro negative pressure and visible light catalysis to generate crude methyl benzyl chloride and hydrogen chloride, and 99.0% methyl benzyl chloride, a small amount of benzyl dichloride and 31% hydrochloric acid are respectively generated through rectification and absorption; the device consists of four working sections of chlorination, rectification, hydrochloric acid absorption and distillation. According to the method, the defects in the prior art are overcome, on one hand, chlorine is introduced, and an aromatic ring chlorination reaction is carried out under visible light catalysis; on one hand, a supported catalyst filler is arranged at the bottom of a chlorination tower, and a zeolite molecular sieve modified by long-chain alkylsilane and supported by metal salt is used as a catalyst to catalyze chloromethylation reaction, on the other hand, the hydrophobicity of the modified catalyst is obviously enhanced, and meanwhile, the density of acidic sites is not reduced; the contact opportunity of the catalyst and a reaction substrate is greatly increased, and the catalytic efficiency of the catalyst is improved.

The invention provides a redox imidazole covalent organic framework material as well as a preparation method and application thereof, belongs to the technical field of material preparation and photocatalytic preparation of hydrogen peroxide, and aims to solve the technical problem of low activity of a current covalent organic framework in preparation of hydrogen peroxide. The preparation method of the imidazole-connected redox type imidazole covalent organic framework material comprises the following steps: respectively reacting a reactant 2, 7-di-tert-butylpyrene-4, 5, 9, 10-tetraketone monomer with 4, 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ' The preparation method comprises the following steps: mixing 4, 4 '-(pyridine-2, 4, 6-triyl) tribenzaldehyde and a tri (4-formylphenyl) amine monomer, adding a solvent and a catalyst, uniformly stirring, and reacting to obtain the redox type imidazole covalent organic framework material after the reaction is finished. The application comprises the following steps: adding the covalent organic framework, oxygen and the sacrificial agent into water, and reacting under the irradiation of visible light. The preparation method is green, environment-friendly, simple and easy to implement, the prepared material has good thermal stability, and efficient visible light photocatalysis preparation of hydrogen peroxide can be achieved; meanwhile, the catalyst can be recycled and has good photocatalytic stability.

The invention relates to the technical field of freshwater fish culture, and discloses a culture box for freshwater fish culture, which comprises a culture box and a feeding tank, the top of the feeding tank is fixedly connected with a feeding hopper, and a feeding mechanism is arranged in the feeding tank; the feeding mechanism comprises a motor, a vertical shaft, a disc, movable teeth and fixed teeth; the motor is fixedly connected to the outer wall of the top of the feeding tank, the output end of the bottom of the motor penetrates into the feeding tank, animal livers in the smashing chamber are smashed into small blocks through friction and collision of movable teeth and fixed teeth, swallowing of the mandarin fish fries is facilitated, growth and development of the mandarin fish fries are facilitated, a bent pipe is driven by a disc to rotate, and the feeding efficiency is improved. The feeding range is expanded through the rotating bent pipe, and the gear and the rack are arranged to move back and forth in the rotating process of the bent pipe, so that the feeding range of the bent pipe is further expanded, mandarin fish fries are prevented from being grabbed by adult fishes during concentrated feeding, mandarin fish ingestion is more uniform, and the overall mandarin fish growth efficiency is improved.

The invention relates to the related technical field of dust treatment, and discloses a power plant dust monitoring and adjusting system with a raised dust suppression function, which comprises a box body, a treatment box is fixedly arranged in the box body, a first treatment cavity and a second treatment cavity are arranged in the middle of the interior of the treatment box, and a fixed frame is fixedly arranged in the second treatment cavity; a processing assembly is arranged in the fixing frame. The two second baffles get close to each other to extrude the multiple activated carbon particles, so that the inclination height of the multiple activated carbon particles between the two second baffles is reduced, the inclination width of the multiple activated carbon particles between the two second baffles is increased, the contact stroke of gas and the multiple activated carbon particles is prolonged, and the stability of the activated carbon particles is improved. The adsorption effect of the activated carbon particles on dust in the gas is improved, so that the treatment assembly can be adjusted according to the gas treatment quality condition, and the dust in the gas can be fully adsorbed and treated.

The invention discloses a method for regulating and controlling the particle size of platinum alloy in a catalyst by using a surfactant compound, relates to a preparation method of a platinum alloy catalyst, and aims to solve the technical problem that the alloy is easy to agglomerate in the high-temperature sintering process of the existing platinum-based alloy catalyst. The method comprises the following steps: stirring and reacting polyvinylpyrrolidone and a surfactant at the temperature of 25-40 DEG C to obtain a compound solution; and adding a carbon carrier, chloroplatinic acid and transition metal salt into the compound solution, stirring, evaporating the solvent to dryness, and calcining to obtain the platinum-based alloy catalyst with regulated and controlled platinum alloy particle size. The particle size of the platinum alloy in the catalyst is 2.5-4.5 nm, the mass activity of the catalyst is 0.14-0.33 mA / [mu] gPt, the preparation method is simple, the cost is low, and batch production can be realized. The invention can be used in the field of proton exchange membrane fuel cells.

According to the livestock and poultry manure stacking fermentation device, a stacking box body is stacked, a heat preservation box body is arranged outside the stacking box body, the material stacking amount is increased, meanwhile, the occupied area is small, stacking of different layers can be conducted according to the types of different fermentation materials, for example, pig manure is low in organic matter content, many in crude fiber, short in fermentation period and small in layer number; the chicken manure is high in organic matter content, long in fermentation period and large in layer number; sludge is complex in organic matter component, high in organic matter content, long in fermentation period and large in layer number. Materials are subjected to multi-layer fermentation stirring in the heat preservation box body, heat preservation treatment is carried out through the heat preservation box body, the fermentation effect is improved, meanwhile, air inlet holes are formed in the lower portion, exhaust holes are formed in the upper portion, and under the influence of heat generated by fermentation, air at the lower portion rises and is exhausted through the exhaust holes, so that external air enters through the air inlet holes at the lower portion; air flow is formed, air is supplemented into the heat preservation box body, and enough oxygen is provided for fermentation.

The invention provides a bipolar plate with a multi-flow-field structure and a preparation method thereof, and relates to the field of fuel cells, a reaction flow field structure of the bipolar plate is composed of an upper direct current section area, a middle barrier area, a lower variable runoff section area and a bottom barrier area, and the proportions of all the parts in the total length of the bipolar plate are different; the upper direct flow section area is of a parallel flow field structure, the middle blocking area is of a specific boss structure, the lower variable-runoff section area is of a variable-runoff field structure and is provided with a variable-runoff channel ridge, a contraction part and a broadening part, and the bottom blocking area is of a staggered circular truncated cone structure; the preparation method comprises a metal plate surface pretreatment process and a rubber pad punch forming process. By changing the flow field structure, the bipolar plate structure is helpful for increasing the flow rate of reactants, promoting diffusion of the reactants and promoting gas transmission and water discharge in the membrane electrode assembly at the same time.

The invention discloses an anion exchange membrane electrode and a preparation method and application thereof, and belongs to the technical field of new energy material and catalytic electrode preparation, the method comprises the following steps: S1, preparing an anode catalyst slurry comprising a hydrophobic covalent organic framework material, an anode catalyst, an anion exchange ionomer and a solvent; s2, preparing a cathode catalyst slurry of which the components comprise a cathode catalyst, an anion exchange ionomer and a solvent; and S3, respectively spraying or coating the anode catalyst slurry and the cathode catalyst slurry on two side surfaces of an anion exchange membrane or a gas diffusion layer, and carrying out heat treatment to obtain the anion exchange membrane electrode. The method provided by the invention can solve the problems of large gas-liquid-ion three-phase mass transfer resistance, easy shielding of active catalytic sites by ionomers and unbalanced water management in the membrane electrode assembly in the existing AEMWE device.

The invention discloses adjustable flue gas desulfurization demisting equipment, and relates to the technical field of environmental protection engineering, the adjustable flue gas desulfurization demisting equipment comprises a demisting machine, the outer wall of the bottom end of the demisting machine is fixedly provided with a flue gas inlet pipe, the top of the demisting machine is fixedly provided with an exhaust passage, and the outer wall of the top end of the demisting machine is slidably provided with an outer pull box. When smoke flows on the surface of the flow guide plate, smoke dust in the smoke can be attached to the inner wall of the flow guide plate, a motor is started, the motor drives a rotating rod to rotate, the rotating rod drives an L-shaped fixing frame to rotate, the L-shaped fixing frame drives a sliding rod to rotate, the sliding rod drives a connecting block to rotate, the connecting block drives a scraping plate to rotate, and the scraping plate scrapes away the smoke dust on the surface of the flow guide plate. According to the demister, the surface of the guide plate is kept clean, possible obstruction of smoke dust accumulation on smoke flowing is prevented, continuous and efficient operation of the demister is ensured, and therefore the treatment efficiency and stability of the whole demister are improved.

The utility model relates to a red light irradiation device for myopia physiotherapy. The red light irradiation device comprises a red light irradiation assembly used for conducting red light irradiation on fundus so as to conduct myopia physiotherapy; the positioning assembly is used for collecting an ocular surface image and determining positioning information based on the ocular surface image; the moving assembly comprises at least one moving platform, the moving platform moves in the moving direction corresponding to the moving platform, and the moving assembly is operated to move the red light irradiation assembly in the at least one moving direction based on the positioning information so that the red light irradiation assembly can conduct red light irradiation on the fundus. According to the scheme of the utility model, by adding the positioning assembly in the red light irradiation device for myopia physiotherapy, the red light irradiation light source can be automatically aligned with the ocular surface (such as pupils and irises), so that the utilization rate of fundus red light irradiation is effectively improved, and the myopia physiotherapy effect is remarkably improved.

The utility model discloses an advertising lamp box with a mosquito repelling function, which comprises a first support and a second support, a sliding strip is arranged on one side of the first support, a sliding groove is arranged on the second support, the first support is slidably connected onto the second support through the sliding strip, the advertising lamp box further comprises a rotating shaft and an outer frame, and the outer frame is rotatably connected onto the first support through the rotating shaft. A heat dissipation opening is formed in one side of the outer frame, an electric shock net is arranged below the heat dissipation opening, and a trap lamp is installed in the electric shock net. Through cooperation of a trap lamp, an electric shock net, a first support, a sliding strip, a second support and a sliding groove, the trap lamp attracts winged insects to fly to the position near the lamp box, the electric shock net kills the winged insects, mosquitoes and other winged insects entering the lamp box are effectively reduced, cleanliness and sanitation of the interior of the lamp box are kept, and risks of potential safety hazards such as short circuits and fire disasters are reduced; the sizes of the first support and the second support are adjusted according to requirements, the advertising lamp box is increased, the exposure and coverage area of advertisements are improved, and the advertising effect and the propaganda effect are improved.

The invention discloses an industrial part surface defect intelligent detection system and method, and relates to the technical field of defect detection. When a part is fixed on a rotating carrier for full-angle scanning, a surrounding type industrial camera and a light source array cooperate, a light field is dynamically evaluated by combining part curved surface reflection characteristics, and the light source intensity and direction and camera exposure and gain are adjusted; obtaining a uniform initial image; a global image of the part is reconstructed through brightness standardization, denoising interference suppression, multi-scale texture enhancement, distortion correction, normal expansion and cross-view alignment splicing; the method comprises the following steps: extracting cross-scale features by adopting a graph convolution attention model, constructing a fusion feature vector based on geometric morphology parameters and texture features by virtue of defect regions segmented by regional reconstruction aggregation curved surface reflection to finish classification and grading, generating a simulated graph through an adversarial generative network, comparing and verifying, and outputting a detection report. The defect detection precision and efficiency are effectively improved, and the industrial high-quality detection requirement is met.

The invention discloses a yak intramuscular precursor fat immortalized cell line and a preparation method thereof. The method comprises the following steps: (1) obtaining yak primary intramuscular precursor fat cells; (2) performing SV40T lentivirus infection on the precursor fat cells in the yak muscle and screening cell strains: performing SV40T lentivirus infection by utilizing a 1 / 2 small-volume infection method to obtain immortalized cells after the precursor fat cells in the yak primary muscle are infected with SV40T, namely immortalized cells for short; puromycin is adopted to screen immortalized cells; and diluting the screened cells by using a limited dilution method, and carrying out enlarged culture to obtain the immortalized cell line. The yak intramuscular precursor fat immortalized cell line constructed by the invention has genetic homogeneity, the heterogeneity influence of cell populations is eliminated, and an in-vitro cell model is provided for subsequent research related to yak intramuscular fat cells.

The present application relates to the technical field of biological medicine, and discloses inhalable aptamer modified molybdenum disulfide nanoflower compound and application thereof.The compound comprises a molybdenum disulfide nanoflower core, a dendritic polylysine modification layer attached to the surface of the molybdenum disulfide nanoflower, doxorubicin loaded on the molybdenum disulfide nanoflower and / or the dendritic polylysine modification layer, and AS1411 aptamer combined on the outer surface of the dendritic polylysine modification layer by electrostatic assembly.The compound can be delivered to a lung lesion by atomization inhalation or aerosol inhalation, and undergoes responsive structural change under the action of hydrogen peroxide in a tumor microenvironment, generates active oxygen, and promotes the release of doxorubicin, so as to realize the synergistic antitumor effect of chemotherapy and chemical dynamic therapy.The compound has good colloidal stability, drug loading capacity, active targeting ability and lung local delivery potential, and can be used for preparing inhalation preparations or local administration preparations for treating lung cancer.

The invention discloses a spice drying device which comprises a heating box, the heating box is provided with a first material bearing plate and a plurality of second material bearing plates, the second material bearing plates are arranged above the first material bearing plate, and a material guide cover is arranged below each second material bearing plate; the first driving mechanism is arranged on the heating box, the output end of the first driving mechanism is connected with a plurality of material pushing plates, the material pushing plates are located above the first material bearing plate or the second material bearing plate, and the first driving mechanism is used for driving the material pushing plates to move in the left-right direction; and the second driving mechanism is arranged on the heating box, the output end of the second driving mechanism is connected with a plurality of material overturning pieces, the material overturning pieces are located above the first material bearing plate or the second material bearing plate, and the second driving mechanism is used for driving the material overturning pieces to move in the front-back direction and conduct rotary material overturning. According to the spice drying device of the structure, layered flattening is achieved through the material pushing plate, material stacking is avoided through material overturning of the material overturning piece, and the spice drying effect is improved.

The invention provides a method and a device for realizing automatic exposure, a medium and a program product. The method comprises the following steps: determining and caching a brightness parameter of an image in a license plate area in a vehicle image; calculating a first average value of the cached brightness parameters; calculating the brightness deviation degree of the image in the license plate area based on the first average value and a first brightness threshold value for the license plate area, and calculating the local target brightness for the license plate area by multiplying the brightness deviation degree by the global target brightness; performing weighted summation on the local target brightness and the global target brightness to obtain the final target brightness of the vehicle image; and carrying out exposure adjustment on the vehicle image by comparing the image global average brightness of the vehicle image with the final target brightness. According to the technical scheme, the exposure effect of the license plate is optimized, and the scene adaptability and accuracy of license plate recognition are improved while the brightness change of the whole picture is considered.

The invention provides metal lithium surface protection slurry and a preparation method and application thereof, and the surface protection slurry comprises the following components by weight: 5-20 parts of a metal organic framework material (MOFs); 70 to 85 parts of a solvent; 3-6 parts of a conductive agent; 3-6 parts of a thickening agent; the MOFs material comprises an MOFs material taking a zinc-based metal matrix, a cobalt-based metal matrix, a vanadium-based metal matrix, an iron-based metal matrix, an aluminum-based metal matrix, a chromium-based metal matrix, a zirconium-based metal matrix or a lanthanide-series metal matrix as metal ions or metal cluster nodes, and the conductive agent comprises an organic polymer solid electrolyte material or an organic-inorganic composite solid electrolyte material. The surface protection slurry provided by the invention can form a protection layer with excellent lithium affinity, dendritic crystal resistance and stability on the surface of metal lithium.

The present invention provides a sonfenib or donafenib (TKI) oral preparation, comprising a TKI molecular-level mixture and self-assembled polymer materials. The present application also provides an application of the TKI oral preparation. The two self-assembled polymer materials in the TKI oral preparation provided by the present application perform coordinated regulation with TKI guest molecules to reduce premature degradation or efflux of a drug caused by CYP3A4 / A5, CYP2D6, CYP2C8 or P-gp of P450 enzymes in epithelial cells of the gastrointestinal tract mucosa during an absorption process of the oral preparation, and reduce decreased absorption caused by rapid packing after the drug is quickly dissolved out of a molecular-level composition. Therefore, the oral preparation can achieve the same curative effect at a lower dose, features lower Cmax and AUC0-t variations, reduces of the risk of being non-effective or toxic, and would not be affected by food; in addition, the oral preparation significantly reduces dose-related side effects, improves patient compliance, and has good physical and chemical stability.

The utility model discloses a parallel correction device of an exposure machine. The parallel correction device comprises a mask assembly, a correction assembly arranged on the mask assembly and a moving assembly, the correction assembly comprises an air cylinder, a correction plate arranged on the air cylinder and a plurality of correction balls arranged on the correction plate; the air cylinder controls the correction plate to enter and exit between the moving assembly and the mask assembly, one end of the correction ball abuts against the side, close to the correction plate, of the mask assembly, and the moving assembly drives a film source to move in the direction close to the mask assembly through torsion control. Therefore, the film source abuts against the plurality of correction balls. According to the utility model, the moving assembly drives the film source to move towards the correction balls, and the torsion-controlled moving assembly ensures that the uniformly distributed correction balls respectively abut against the photomask and the film source, so that the photomask and the film source are arranged in parallel, the alignment time is shortened, the productivity is improved, the exposure effect of the film source is improved, and the rework rate of products is reduced.

The application discloses a kind of delta-MnO2-GO catalyst and its preparation method and application in room temperature formaldehyde degradation, it is related to inorganic catalyst technical field.The preparation method of delta-MnO2-GO catalyst of the application can significantly limit the growth of manganese dioxide nanosheet by doping with low amount of GO, to manufacture abundant mass transfer transmission channel, delta-MnO2-GO catalyst presents unique two-dimensional crown structure, two-dimensional coral-like hierarchical pore structure delta-MnO2 nanorod is uniformly dispersed on the GO of plane structure, greatly promote the exposure of catalytic site and the mass transfer of reactant, produce a large number of surface active oxygen ROS and hydroxyl radical-OH, greatly maintain the excellent catalytic activity and stability to HCHO degradation, stably realize nearly 100% HCHO elimination at room temperature.

This application relates to an image processing method, apparatus, and computer device. The method includes: performing face recognition on a target image to obtain a target face region; determining target pixel information for each target pixel in the target face region based on reference pixel information of each reference pixel in a reference face region of each frame of the original image; for each target pixel, converting the target pixel information into color coordinates, and determining the weight of the target pixel based on the hierarchical relationship between the color coordinates and the range of human face coordinates; for each frame of the original image, determining the reference brightness of each reference pixel in the reference face region of the original image based on the weight of each target pixel and the original brightness of each reference pixel in the reference face region of the original image; and determining the current brightness of the target face region based on the reference brightness of each reference pixel in the reference face region. This method can improve the accuracy of face region brightness.

The utility model discloses fruit juice concentration equipment. The fruit juice concentration equipment comprises a gas transmission mechanism, a reaction mechanism and a recovery mechanism, the gas transmission mechanism is used for transmitting gas from the reaction mechanism, and the recovery mechanism is used for extracting and recovering hydrates from the reaction mechanism; the gas transmission mechanism comprises a carbon dioxide gas cylinder and a nitrogen gas cylinder; the carbon dioxide gas cylinder and the nitrogen gas cylinder are connected to one end of a gas transmission pipe; the reaction mechanism comprises a reaction kettle and a stirrer arranged in the reaction kettle; the reaction kettle is provided with a gas inlet, and the other end of the gas delivery pipe is connected to the gas inlet; the recycling mechanism comprises a water suction pump, a gas-liquid separator and a recycling bin, one end of the water suction pump is connected with the reaction kettle through a pipeline, the other end of the water suction pump is connected with the gas-liquid separator, and the recycling bin is used for recycling substances separated by the gas-liquid separator. According to the technical scheme, the production efficiency of juice extraction is improved, and the production cost is reduced.

The invention relates to a live broadcast content recommendation method and device, electronic equipment and a storage medium. The method comprises the following steps: displaying a content recommendation card on a live broadcast guide page; the content recommendation card comprises a recommendation tag and at least one piece of recommendation content corresponding to the recommendation tag; and in response to a trigger operation on the content recommendation card, displaying a live broadcast room, and displaying a corresponding content page in the live broadcast room based on the number of the recommended contents. According to the method, the recommendation dimension can be expanded, display of multiple recommendation contents under different recommendation tags is realized, the content currently explained by the live broadcast room is not limited to be displayed, and the richness of content recommendation is improved.

This utility model discloses a surface degreasing device for gear production, relating to the technical field of gear production equipment. The utility model includes a cleaning tank, and further includes: an degreasing section disposed on the cleaning tank for holding the gears to be degreased; a rotating section disposed inside the cleaning tank for driving the degreasing section to rotate; and a stirring section located inside the cleaning tank for stirring the mixture of cleaning fluid and oil. After the cleaning fluid is poured into the cleaning tank, the gears to be degreased are poured into the degreasing section, and then the rotating section drives the degreasing section to rotate, ensuring uniform contact between the gears and the cleaning fluid. This utility model, by incorporating a rotating section, solves the problem in existing degreasing devices where it is inconvenient to rotate the gears in the cleaning fluid, resulting in uneven contact between the surface of each gear and the degreasing agent, thus affecting the overall cleanliness of the gears.

Provided in the present invention are a class of compounds as represented by formula (I), or a prodrug, a tautomer, a stereoisomer, a solvate, and an isotopic derivative thereof, or a pharmaceutically acceptable salt thereof. The compound has an SHP2 kinase inhibitory effect and can be used for treating and / or preventing diseases, disorders, and conditions mediated by SHP2 activity, such as tumors, cancers, cancer metastasis, cardiovascular diseases, immune disorders, visual disorders, etc.

The utility model discloses a waste gas treatment device for a carbon emission reduction system of a thermal power plant, which relates to the technical field of energy-saving and environment-friendly equipment and comprises a gas inlet pipeline and a support frame, sealing covers are arranged at two ends of the gas inlet pipeline, a communicating pipe is arranged in the middle of the outer side of each sealing cover, and a centrifugal fan is arranged in the gas inlet pipeline. A guide plate is arranged on the inner wall, close to the lower portion of the centrifugal fan, of the air inlet pipeline, an opening is formed in the side wall of the lower portion of the air inlet pipeline, a sealing door is arranged at the opening and rotatably installed on the portion, on one side of the opening, of the air inlet pipeline, and a first filter plate is arranged on the inner wall of the sealing door; compared with the prior art, the waste gas impurity removal device has the advantages that the chance and probability that impurities are in contact with the first filter plate are greatly improved through the centrifugal fan, the guide plate and the first filter plate, the waste gas impurity removal effect is effectively improved, the sealing performance of the whole device is improved through the sealing door and the first filter plate, and the service life of the device is prolonged. And adverse effects of waste gas leakage on environment and equipment operation are avoided.

The application discloses a method for improving the catalytic performance of iron-based amorphous alloy in degrading dye wastewater. The method is ultrasonic vibration treatment, which can change the performance of the material by applying standardized pulse energy. The application applies ultrasonic vibration treatment with a certain energy to iron-based amorphous alloy powder with different components to obtain amorphous powder for degrading dye wastewater. Compared with the original powder, the catalytic degradation performance of the amorphous alloy powder treated by ultrasonic vibration is significantly improved for different dyes. The method has the advantages of simple operation, short time consumption, low cost and high efficiency, and has a good application prospect in wastewater treatment. Moreover, the application obtains an optimal degradation scheme by adjusting various experimental parameters in the degradation process, such as ultrasonic energy and hydrogen peroxide concentration.

The invention provides a tea fermentation machine convenient for temperature control and a fermentation method thereof, and belongs to the technical field of tea fermentation. Comprising a fermentation cabinet and further comprises a dispersion mechanism, the dispersion mechanism comprises a plurality of flow guide covers fixed in the fermentation cabinet, cylinders are rotationally connected in the flow guide covers, air holes are formed in the cylinders, partition plates are fixed to the inner walls of the flow guide covers, a gear motor is fixed to the side face of the fermentation cabinet, and the output end of the gear motor is fixedly connected with the ends of the cylinders. By arranging the cylinder, the shifting plate and the dispersing assembly, tea leaves are put into the cylinder, water vapor and hot air enter the cylinder from the air holes after being guided by the guide cover, the gear motor drives the cylinder to rotate, the cylinder drives the shifting plate to shift the tea leaves and enables the tea leaves to fall down from a high position, and the dispersing assembly is used for dispersing the falling tea leaves. Tea leaves are in full contact with water vapor and are prevented from being accumulated, so that accurate and reliable temperature control on the tea leaves is realized, and the tea leaf fermentation quality is effectively improved.

The utility model relates to a casting mould, more specifically to a lost foam sodium silicate sand modeling casting mould. The lost foam sodium silicate sand modeling casting mould, including box body, the middle part of box body is provided with the separating seam, and the separating seam divides the box body into two parts, and the plastic foam block is placed in the box body. The two sides of separating seam on box body all are provided with tab, and all are provided with round hole on each tab. The opposite two tabs are inserted with bolt, and the bolt is inserted on the round hole on tab, and the opposite two tabs are pressed together through the bolt. The inside upper part of box body is inserted with lifting frame. A plurality of grating rods are arranged on the lifting frame. Vertical bars are fixed to the left and right ends of the upper side of the lifting frame. The box body can be separated left and right, the sand can be directly exposed outside, and the parts in the sand are convenient to take out.

This application discloses a razor head assembly and a razor having the same. The razor head assembly includes a base, a razor head holder, and a floating mechanism. The base has an axis; the razor head holder is equipped with the razor assembly; the floating mechanism connects the base and the razor head holder, and allows the razor head holder to deflect relative to the axis under the action of an external force, and allows the razor head holder to return to its original position after the external force is removed. This application, through the floating mechanism, allows the razor head holder to deflect relative to the axis of the base during shaving, thereby maintaining a good fit between the razor assembly and the user's face; it also helps to tighten the facial skin, allowing the hair roots to be better exposed on the skin surface, improving shaving cleanliness, while also enhancing shaving comfort and experience, reducing pressure on the skin during shaving, and minimizing skin irritation; furthermore, the razor head holder can return to its initial position after the external force is removed for subsequent use.