293results about How to "Guaranteed compliance" patented technology

The invention provides a preparation process of a red copper square pipe material. The process comprises the following flow processes of casting, cast ingot sawing and cutting, water seal extrusion, sawing and cutting, straightening, rolling, chain type drawbench circular drawing, circular transition to square pipe material hollow pulling, square pipe material hollow pulling, shaping drawing, finishing, bright annealing and packaging; the diameter shaping drawing is firstly performed after the rolling; the transition to the square pipe material is realized; the diameter shaping hollow pulling is performed; finally, a finished product is fed onto a core head to be subjected to shaping drawing; the goal that the radius R of the circular corner is gradually reduced until the radius R conforms to the requirement is achieved; the outer dimension center part back arching is avoided; the inner dimension is enabled to conform to the requirements; the water seal decrustation processing mode is used in the extrusion process; the pipe blank surface oxidation can be prevented; the process processing process is reduced; the product quality is further ensured.

The invention relates to a desloratadine grain and a preparation method thereof. The preparation method comprises the steps: fully coating a medicine and proper auxiliary materials (such as a stabilizing agent, a cosolvent, a PH adjusting agent, a filling agent and the like) into a water-soluble high molecular material; and adding a proper opacifier into a coating material, so that the medicine can be isolated from the light and the external moist air when the medicine is stored, and the stability of the medicine can be adequately guaranteed when the medicine is stored under the room temperature; mixing the coated grain with a proper flavoring agent and soluble auxiliary materials to obtain the desloratadine granular formulation; and properly adding a small quantity of edible coloring agent and fruity essence to increase the novelty to the children, and improve the taking compliance.

The invention discloses a method for testing consistency on a protocol for an electric automobile charger and battery management system. The method comprises the following steps of verifying whether the protocol for the electric automobile charger and battery management system is consistent to a standard or not by using protocol testing equipment; adjusting relevant electrical quantities by using a testing instrument; and testing data accuracy in a coordinating manner. Testing contents comprise protocol consistency testing, application function verification and data accuracy verification; and the protocol consistency testing comprises normal testing and negative testing on charging messages, a charging process and wrong messages. By the method for testing the consistency on the protocol for the electric automobile charger and battery management system, the testing contents are systemic and comprehensive; a technical support is provided for stably and reliably charging an electric automobile; and the method has an important actual significance.

The invention relates to the technical field of construction, in particular to an exceeding thousand tons of linear steel trussed beam floating pushing erecting construction method. The exceeding thousand tons of linear steel trussed beam floating pushing erecting construction method is characterized in that a steel trussed beam is assembled in advance in an offshore assembling site and then is continuously pushed through a hydraulic jack to enable a cantilever to be appropriate, then one end of the steel trussed beam is arranged on a bearing beam bracket supporting system which is formed by a barge, the barge drains water to lift and support the beam and continuously pushes the steel trussed beam to be advanced, the direction is adjusted in real time until the steel trussed beam is in place, water is injected into the barge, the support is converted, the top is mounded and the beam falls off, and the support is installed. Compared with the prior art, the exceeding thousand tons of linear steel trussed beam floating pushing erecting construction method has the advantages of being simple in equipment, convenient to operate, low in labor intensity, low in cost investment, high in construction efficiency and easy to popularize, not polluting river, not damaging the river bank, being short in construction navigation closing time, small in navigation interference, enabling main procedures such as steel trussed beam assembling and barge supporting to operate in a parallel mode and being beneficial to shortening of the working period.

The embodiment of the invention discloses a self-service terminal software remote upgrading method and system and an upgrading package creation method. The self-service terminal software remote upgrading method and system and the upgrading package creation method are used for solving the technical problems that in the prior art, correctness of a software new version installation package can not be really guaranteed from the perspective of content, and whether the software of a new version can meet the requirement of an operation version for a self-service terminal type or not can not be determined. The method includes the steps that whether the type accords with stipulations of the type in the upgrading requirements or not is judged, and if not, upgrading is stopped; whether the operating version number accords with stipulations of the version number in the upgrading requirements or not is judged, and whether a characteristic value exists in an upgrading correctness verification file or not is queried, and if yes, software upgrading is performed on the self-service terminal by utilizing the software package of the new version.

The invention relates to a reverse osmosis treatment method and a device for coking waste water, and is characterized in that the method comprises the following process steps that: (1) coking waste water directly undergoes conventional deoiling pretreatment and then is fed into a system; (2) a multi-medium filter and a security filter are adopted to protect reverse osmosis so as to separate waste water by means of a flat plate sewage treatment-type reverse osmosis membrane; and (3) according to the requirements of the further decrement of reverse osmosis thick water and the recycling of treated effluent, combined hardening is carried out by means of multi-section, multi-stage and various reverse osmoses. The reverse osmosis treatment method and the device have the advantages that: (1) the method has high equipment degree, reliable system and less occupied area; (2) flat plate sewage treatment-type reverse osmosis is adopted to carry out treatment, thereby avoiding the instability of biological treatment; (3) the treated effluent is stable and reaches the standard with COD less than 100mg / L; (4) the COD of effluent which undergoes second-section second-stage reverse osmosis strengthening treatment is less than 15mg / L, therefore, the effluent can be recycled while thick water undergoes decrement burning; and (5), the method and the device solve the problem that coking waste water is difficult to treat.

The invention relates to a treatment system and an operation method of phosphorus-containing organic wastewater. A chemical phosphorus removal system is combined with an aerobic biochemical system, thus forming a system that removes phosphate and organic matters in the effluent of an aerobic removal system. The chemical phosphorus removal system consists of a chemicals feeding system, a mixed reaction pool, a sedimentation pool, a residual sludge refluxing system and a chemical sludge refluxing system. The aerobic biochemical system consists of an aerobic contact oxidation system and an aerobic activated sludge system. During the process of chemical phosphorus removal, sulfide and part of the organic matters can be removed simultaneously, thus causing the subsequent aerobic process to run stably and reducing running cost thereof. The residual sludge of the aerobic biochemical system is subjected to aeration and then refluxes to the chemical phosphorus removal system, and flocculation is absorbed and chemical sludge flocculating constituents are settled by utilizing residual activated sludge, thus improving chemical phosphorus removal efficiency. Part of the chemical phosphorus removal sludge refluxes after aeration, thus reducing the feeding amount of chemicals and reducing running cost. The treatment system and the operation method can cause organic wastewater with high phosphorus concentration to reach strict discharge standard after being treated.

The invention relates to an avionics system interface management system based on models. The system comprises a data hierarchy model, a data type model, a rule configuration model, a data template, a data design module, a database, a data analysis module and a universal interface module. The avionics system interface management system based on the models takes the modeling thought as the core and realizes interface design and management of the avionics system based on unified data; meanwhile, data interaction with the design process of the whole avionics system is realized with a document generation technology and a universal interface technology. The system can perform interface management and provide data support in the whole research and development process of the avionics system.

The invention provides a treatment method and equipment for up-to-standard discharging of vitamin fermentation pharmaceutical wastewater. The treatment method includes: enabling the wastewater to sequentially pass a pretreatment unit, an anaerobic treatment unit using an IC reactor as a core, a two-stage short-cut nitrification denitrification and postpositive denitrification combined process (hereinafter referred to as a D / N / D unit) and a in-depth treatment unit adopting catalytic ozonation as a core to remove organic matter, ammonia nitrogen, total nitrogen, suspended matter and chromaticity step by step so as to reach discharging standards. The treatment method has the advantages that compared with conventional denitrification processes, oxygen consumption and alkaline adjusting agent consumption can be saved by 25% and 40% at least through multi-stage short-cut nitrification denitrification, so that infrastructure and operation cost is lowered greatly; postpositive denitrification is adopted, so that total nitrogen is ensured to be up to standards; an MBR (membrane biological reactor) is adopted to replace a secondary sedimentation tank, so that bioretention performance and stability of a system are improved greatly; the new process of catalytic ozonation which is free of agent addition and secondary pollution is adopted as the in-depth treatment unit, so that removing and decoloring effect of degradation resistant COD is excellent and the treatment method is economical and efficient.

The embodiment of the invention provides a photographing method and device and a terminal. The photographing method comprises the steps that a first image is acquired according to first photographing parameters; a target object in the first image is identified, and photographing focal length is adjusted and a preview image including the target object is acquired; and if a photographing instruction generated based on the preview image is received, a second image is acquired according to the first photographing parameters based on the photographing instruction. Focal length is adjusted and the preview image for the target object is acquired after the first time of photographing, and the second time of photographing is performed when the target object meets the photographing conditions so that the target object is ensured to meet the photographing requirements conveniently and rapidly in photographing, operation is easy and convenient and time is saved.

A drive mechanism (100) having integrated status indication includes a drive housing (130), a status switch interconnect (132), a drive biasing member (122), a piston (110), and a drug container (50) having a cap (52), a pierceable seal (56), a barrel (58), and a plunger seal (60), wherein the drive biasing member (122) is configured to bear upon an interface surface (110C) of the piston (110). Drive mechanism (100) may include an incremental status stem (650) having a stem interconnect (652), wherein the stem (650) resides within the drive housing (630) and the piston (610), and wherein the stem (650) has an interconnect which engages one or more contacts on the piston (610) to provide incremental feedback. A drug delivery pump (10) with integrated status indication includes a housing (12) and an assembly platform (20), upon which an activation mechanism (14), an insertion mechanism (200), a fluid pathway connection (300), a power and control system (400), and the drive mechanism (100) having a drug container (50) may be mounted.

The invention discloses an energy-saving efficient waste gas treatment device. The energy-saving efficient waste gas treatment device comprises a naked flame furnace and a washing tower, wherein an air inlet pipe is connected to the left side of the naked flame furnace, an oxygen supply device is arranged on the right side of the naked flame furnace, a dust absorbing device, a heat exchanger and a first draught fan are respectively arranged on an air conveying pipe of the naked flame furnace; and a second filtering layer, a first filtering layer, a catalyzing device and a spraying pipe are respectively arranged in the washing tower from top to bottom, a bracket is mounted in the washing tower at the lower side of the spraying pipe, a vertical pipe is rotationally mounted in the middle of the bracket, the lower end of the vertical pipe is communicated with the air conveying pipe through a rotating joint, a motor for driving the vertical pipe to rotate is further arranged below the bracket, a plurality of transverse pipes are circumferentially mounted on the side surface of the upper end of the vertical pipe, and a plurality of jetting heads are mounted on the lower sides of the transverse pipes. The energy-saving efficient waste gas treatment device has the beneficial effects that waste is thoroughly purified, the purifying efficiency is high, the environmental pollution is furthest reduced, and the exhausted gas meets the requirements; and meanwhile, the heat energy resource is effectively utilized, the energy is saved, the environment is protected, and the waste of the resources is reduced.

The invention discloses a safety improved pulmonary artery stent and a pulmonary artery valve replacement device. The safety improved pulmonary artery stent comprises a pipe-shaped supporting net stent and two flaring sections which are connected with two axial ends of the supporting net stent; every flaring section is connected with an end portion of the supporting net stent through a fixing part; one ends of the flaring sections, which are back to the supporting net stent, is provided with a plurality of wave crests which are provided with smooth edges. The pulmonary artery valve replacement device comprises the safety improved pulmonary artery stent and a prosthesis valve which is arranged inside the pulmonary artery stent. According to the safety improved pulmonary artery stent, the flaring sections are connected with the supporting net stent through the fixing parts, namely, the flaring sections and the supporting net stent are connected in a detachable mode, the safety is improved, the utilization is flexible, and meanwhile machining difficulty is reduced.

The invention provides a character recognition method and device. The method comprises the steps that multiple segmentation modes are utilized to segment a character image to obtain multiple image segmentation results, wherein each of multiple segmented regions included in each image segmentation result comprises at least one to-be-recognized object; statistical analysis is performed on a synthetic weight value of all the image segmentation results according to the to-be-recognized objects in the segmented regions, wherein the synthetic weight value comprises statistical values of character feature matching degrees and shape feature matching degrees of all the segmented regions in the image segmentation results; an optimal image segmentation result is screened according to the synthetic weight value of all the image segmentation results; and target characters corresponding to all the segmented regions in the optimal image segmentation result are adopted to serve as recognition results. According to the embodiment, the recognition accuracy of the character image is improved.

The method includes a medical displayer system for dynamically generating an LUT table and a method. The medical displayer system comprises an upper computer and a displayer; the displayer comprises a microprocessor module, an FPGA module, a backlight brightness sensor module and a liquid crystal panel; the upper computer communicates with the microprocessor module in the displayer and comprises a data processing module and a color analyzer, the data obtained by the color analyzer are transmitted to the data processing module to be processed, the microprocessor module is used for carrying out LUT table dynamic calculation in the using process and transmitting the result to the FPGA module, and the FPGA module outputs the processed signal to the liquid crystal panel; a light passing hole is formed in the back face of the liquid crystal panel, and the backlight brightness sensor is arranged on the light passing hole. In the medical displayer system, DICOM correction carried out on LUT table dynamic generation is triggered when backlight brightness changes, and it is ensured that the DICOM curve is met accurately; liquid crystal panel characteristic measurement only needs to be carried out once, brightness gear limit is avoided, and meanwhile DICOM conformity is ensured.

The invention relates to a novel Olanzapine orally disintegrating tablet. The tablet comprises (I) a stabilizing Olanzapine coating particulate and (II) an additive, wherein the stabilizing Olanzapine coating particulate contains: (i) a neutral core; (ii) an active layer surrounding the neutral core; and (iii) a protective layer surrounding the active layer. The invention also relates to a preparation method of the stabilizing Olanzapine coating particulate and the novel Olanzapine orally disintegrating tablet containing the stabilizing Olanzapine coating particulate.

The invention discloses a welding device for a titanium alloy skin structural member for a framework. The welding device mainly comprises a molded surface pressing plate, clamping components, pressing parts, line marking blocks and a plug block, wherein welding grooves are formed in the molded surface pressing plate having welding positioning references; the molded surface pressing plate presses and fixes an outer skin of a to-be-welded part under the effect of the clamping components; the plug block is disposed at the edge of the skin for preventing welding deformation; the pressing parts are arranged near welding lines and are used for performing multi-point fixation for the titanium alloy skin so as to guarantee effective and tight fit of the skin and the framework and to guarantee the precision and the quality of the welding lines. The welding device is made of austenitic stainless steel, so that the welding device is suitable for different high-energy beam welding methods. The contour precision of the part reaches 0.1-0.2 mm. By the positioning references and the welding grooves, time for determining welding line positions is largely shortened and the welding efficiency is improved by more than two times. The welding device is suitable for the welding of large-size titanium alloy skin structural members for frameworks.

The invention discloses a wastewater treatment system and a wastewater treatment method based on photoelectric Fenton-biological enhancement. The system comprises a preaeration tank (1), a photoelectric Fenton reactor (2), a degassing neutralizing tank (3), a coagulative precipitation tank (4), an adjustment tank (5), a microencapsulation biological fluidized bed (6) and an immobilization biological active carbon bed (7) which are connected in sequence through water pipes. The photoelectric Fenton-biological enhancement-based wastewater treatment system is reasonable in structural design, convenient to operate, high in working efficiency, low in cost and good in wastewater treatment effect and orderly, and organically combines physical and chemical treatment, biochemical treatment and guarantee treatment; the photoelectric Fenton reactor, the microencapsulation biological fluidized bed and the immobilization biological active carbon bed support and promote one another functionally, so that the removal efficiency for refractory characteristic organic pollutants is over 98 percent, the sludge yield is low, the sludge treatment cost is low, the sewage treatment effect is good, and the wastewater treatment system based on photoelectric Fenton-biological enhancement has important significance for environmental protection.

The invention relates to the technical field of sewage treatment, in particular to a treatment method for synthesis and fermentation type pharmacy industrial sewage. The method can be used for domestic sewage pretreatment, production sewage pretreatment and comprehensive sewage treatment; after the production sewage and the domestic sewage are singly pretreated, sufficient mixing is performed; thecontinuous stability of biochemical system influent is further guaranteed; by aiming at the water quality and water quantity characteristics of the synthesis and fermentation type pharmacy waste water, the toxicity of the waste water is reduced through a Fenton advanced oxidization technology; biodegradability is improved; in addition, through the flocculent precipitation effect, flocs are eliminated; through the synchronous nitrogen and phosphorus removal process of A2 / O, the effluent quality of the sewage treatment is stable; the total hydraulic retention time is shortened; the active sandfiltering pool in the deep treatment section is an efficient filtering system integrating coagulation, clarification and filtering into a whole; the energy consumption is reduced, and the resources are saved.

The invention discloses a bactericidal acaricidal laundry detergent which is composed of the following components in percentage by weight: 20-24% of 60% LAS solution, 8-12% of laurylamidopropyl betaine, 10-15% of 6501 alkylolamide, 5-8% of potassium coconut oil fatty acid glycinate, 4-8% of cocinic acid acetal, 2-6% of polystyrene latex, 0.2-0.5% of essence. 6-10% of Chinese soapberry peel, 0.1-0.3% of citric acid, 0.2-0.3% of sodium chloride, 0.1-0.3% of pigment, 5-8% of bactericide and 20-30% of rice washing water. The bactericidal acaricidal laundry detergent has the advantages of mild formula, high detergent power, abundant foam, high rinsability, favorable bactericidal and acaricidal effects, no side effect, no fading of clothing, no irritation to skin and no pollution.

The invention relates to an oversize steel enterprise comprehensive wastewater advanced treatment recycling technique and system. The technique sequentially comprises the processes of hydrolysis acidification / coagulative precipitation, biological filtration, filtration and advanced oxidation. The hydrolysis acidification process is carried out in a hydrolysis acidification tank; the coagulative precipitation process is carried out in a high-efficiency coagulative precipitation tank; the biological filtration process is sequentially carried out in an aeration biofilter and a denitrification biofilter; the filtration process is carried out in an air-water backwashing sand filter; and the advanced oxidation process is carried out in an ozone oxidation tank. The influent water quality indexes are as follows: the COD (chemical oxygen demand) is at most 100 mg / L, the BOD (biochemical oxygen demand) is at most 20 mg / L, the ammonia nitrogen is at most 30 mg / L, and the total cyanide is at most 1.0 mg / L. The effluent water quality satisfies the related specifications in Steel Industry Water Pollutant Discharge Standard GB13456-2012. The technique is suitable for advanced treatment of low-concentration nondegradable industrial wastewater, and has favorable removal effects on ammonia nitrogen, total nitrogen, COD and the like.

The invention provides an airport luggage and personnel dual-matching security check management method, which comprises the steps of: collecting passenger face information, identity document information and airline ticket information; verifying whether the three kinds of information are consistent; if so, carrying out registered luggage security check to obtain a first security check result; performing security check on passenger carry-on luggage and a passenger to obtain a second security check result; if the first security check result and the second security check result meet security checkrequirements, allowing the passenger and the luggage to pass; collecting passenger image information, and recording passenger moving tracks; performing quantity identification and feature identification on the luggage; and associating the passenger moving tracks with luggage quantity information and feature information, and performing associated recording. By means of the airport luggage and personnel dual-matching security check management method, the security check process can be guaranteed to meet the specifications, associated information of passengers and luggage can be recorded in realtime, the situation that the luggage of the passenger is lost and cannot be tracked is avoided, and the airport passenger security check management effect is improved. In addition, the embodiment of the invention provides an airport luggage and personnel dual-matching security check management device, equipment and a storage medium.

The invention discloses an automatic medicine adding control method and a device for chemically-assisted dephosphorization in sewage treatment. A total-phosphorus on-line monitor and an iron-ion on-line monitor are used for respectively sampling and monitoring the middle position of the aerobic zone of a biological reaction tank of a sewage treatment plant and the water outlet of a secondary sedimentation tank; the total phosphorus concentration of a water sample on the middle position of the aerobic zone of the biological reaction tank and the iron-ion concentration in a water sample on the water outlet of a secondary sedimentation tank are collected; meanwhile, the water inlet flow of the biological reaction tank is monitored by a flowmeter; according to the total phosphorus concentration of the water sample on the middle position of the aerobic zone of the biological reaction tank and the water inlet flow of the biological reaction tank, the medicine adding amount is determined; and meanwhile, the medicine adding amount is rectified by the total phosphorus concentration calculated by the iron-ion concentration in the water sample on the water outlet of the secondary sedimentation tank. The medicine adding amount determined by the invention is more economic and reasonable, the effluent total phosphorus of a sewage treatment plant is feasibly guaranteed to reach the standard,the effluent stability is improved, the effluent water quality stability is guaranteed, and the resistance to impact load of the chemical synchronous dephosphorization technology is enhanced.

The invention relates to a novel micelle drug delivery system formed by an amphipathic segmented copolymer and andrographolide. The amphipathic segmented copolymer includes a hydrophilic chain segment and a hydrophobic chain segment, wherein the hydrophobic chain segment is terminated by a hydrophobic group being one of an acetyl group, a tert-butyryl group, a tert-butyl acetyl group, a benzoyl group, an amino acid residual group or an amino acid derivative residual group. Not only is compatibility between a medicine molecule and the hydrophobic chain segment in the segmented copolymer improved and an acting force therebetween enhanced, but also a larger space is provided for accommodating the molecular molecule. The micelle can limit the medicine molecule within a core of the micelle more effectively so that the medicine molecule is not liable to dissolve out, thereby obtaining the drug delivery micelle being high in stability.

The invention discloses a high-supersonic-speed internal contraction air intake channel gradually changed from the convex shape into the round shape and a design method thereof. According to the high-supersonic-speed internal contraction air intake channel gradually changed from the convex shape into the round shape, the middle of a lip plate of the air intake channel gradually changed from the convex shape into the round shape is provided with an upward protruding part, an inlet of the air intake channel is in the convex shape, and the air intake channel contracts towards an outlet, is gradually changed into the round shape and then is connected with a circular-cross-section equal straight isolation section equal to the air intake channel in area; an internal conical surface controllablein compression surface Mach number, a central body of a uniform flow movable angle variable cross section, and a datum flow field are obtained through a characteristic line method, and reverse streamline tracing is conducted according to the round outlet of the air intake channel; the upward protruding part is additionally arranged at the inlet based on the original rectangle and extends to the central body, accordingly, matching is conducted on the natural outlet area obtained through convex inlet streamline tracing, and a round outlet of which the area is equal to that of the convex inlet isobtained; and after streamline fitting and boundary layer correcting are conducted, the final air intake channel changed from the convex shape into the round shape is obtained. According to the high-supersonic-speed internal contraction air intake channel gradually changed from the convex shape into the round shape and the design method thereof, on the premise that design point shock wave sealingis ensured, starting of the internal contraction air intake channel is substantially improved through the upper convex overflow design measure designed by the streamline tracing technology.

The invention relates to an eliminating system and method for wastewater biological toxicity in an industrial park. The system comprises an adjusting tank, a micro-aerobic denitrification decarburization tank, a precipitation tank, a primary coagulative precipitation tank, a primary sand filter, a catalytic ozonation system, a suspension attachment anaerobic hydrolysis acidification tank, a biological aerated filter, a secondary coagulative precipitation tank, a secondary sand filter and an ultraviolet disinfection trench. The eliminating method comprises the steps of adjusting treatment, micro-aerobic denitrification decarburization treatment, primary coagulation precipitation, primary filtering, catalytic ozonation, anaerobic hydrolysis acidification treatment, decarburization and detoxification treatment, secondary coagulation precipitation, secondary filtering and backflow and ultraviolet disinfection treatment. The eliminating method can effectively degrade biological toxicity of wastewater in the industrial park, ensure conventional water quality detection indexes of outflow water and long-term stable standards of comprehensive biological toxicity and reduce secondary pollution of wastewater to the environment.

The invention relates to the technical field of water treatment equipment, and particularly relates to a multifunctional integrated sewage treatment device which sequentially comprises a control cabinet, an anoxic zone, an aerobic zone, an anaerobic zone, an anaerobic gas stripping reflux tube, a membrane treatment device, a precipitation zone and a precipitation gas stripping reflux pipe, whereinthe anaerobic gas stripping reflux tube enters the anoxic zone from the anaerobic zone, the membrane treatment device is arranged in the aerobic zone, the precipitation zone is connected to the aerobic zone, and the precipitation gas stripping reflux pipe enters the anoxic zone from the sedimentation zone. The invention further discloses a multifunctional integrated sewage treatment method, and the precipitation and membrane treatment can be selected according to different water levels. According to the multifunctional integrated sewage treatment device and the multifunctional integrated sewage treatment method, an intelligent process switching system and a processing technology are adopted aiming at the characteristics that the fluctuation of the water quality and the water quantity of the town domestic sewage is large and the like, the automatic switching of the process is realized, the stable operation of the equipment is ensured, and the standard effect of the water quality is ensured while the stable operation of the equipment is ensured.

The invention discloses desloratadine critrate disodium particles. Based on 100 percent, the desloratadine critrate disodium particles comprise the following raw materials in percentage by weight: 0.1 to 2 percent of desloratadine critrate disodium, 20 to 90 percent of filler, 1 to 10 percent of sweetener, 0.1 to 5 percent of PH conditioner, 0.1 to 2 percent of essence and 0 to 0.05 percent of food coloring, wherein the desloratadine critrate disodium serves as an active ingredient; and the filler, the sweetener, the PH conditioner, the essence and the food coloring serve as minor ingredients. The prepared desloratadine critrate disodium particles have good mouth-feel, and are fresh red, attractive, convenient to take, fast in absorption and high in bioavailability; and a child can compliantly take the particles.

The invention provides a range hood provided with a multi-layer purifying and adsorbing device. The range hood comprises a dynamic centrifugal adsorbing device, an air channel condensing and adsorbing device and an electrostatic adsorbing device which are sequentially arranged from a cooking fume suction direction to a cooking fume exhaust direction; the dynamic centrifugal adsorbing device comprises a rotatable centrifugal mesh disc; the electrostatic adsorbing device can form a high-voltage electric field for adsorbing cooking fume particles; and the air channel condensing and adsorbing device is used for conveying cooking fume and condensing and adsorbing the cooking fume in a conveying process. According to the range hood provided by the invention, at least three layers of adsorbing devices are arranged for adsorbing and purifying the cooking fume particles, therefore the indexes such as air volume of the range hood reach the standards, the PM2.5 emission index is also reduced more effectively, and the overall environment of a kitchen and air is improved.