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Aeration type sewage treatment device and method
InactiveCN106698823AStrong storageAvoid cloggingTreatment using aerobic processesSpecific water treatment objectivesHazardous substanceSewage
The invention mainly discloses an aeration type sewage treatment device and method. The technical scheme is as follows: the device comprises a primary sedimentation tank, a biodegradation tank and a disinfection tank, wherein a filtering device is arranged in the primary sedimentation tank and comprises a filtering plate and a collection box; the biodegradation tank comprises a facultative tank, an aerobic tank and a clarifying tank in mutual connection; a biological packing frame is arranged in the facultative tank; an aeration device is arranged in the aerobic tank and comprises a lifting cylinder, a spiral aerator and a rotating disk; the spiral aerator is mounted on the upper side of the lifting cylinder; a rotating shaft of the spiral aerator penetrates the rotating disk; and aerobic microbial packing is arranged on the rotating disk. Particle impurities of sewage are removed by the primary sedimentation tank, and then the sewage enters the biodegradation tank for reacting and finally is subjected to disinfection treatment. In the invention, through multi-stage treatment of the sewage, harmful substances in the sewage are separated and degraded better, the blocking phenomenon does not happen frequently, the treatment efficiency is high while the effect is good, and the treated sewage reaches the national discharge standard.
Owner:ZHEJIANG BUSINESS TECH INST
Porous polymer material with ultra-high specific surface area, preparation method thereof and use thereof in gas storage or liquid adsorption
ActiveCN101934222AImprove thermal stabilityGood hydrothermal stabilityOther chemical processesTetraphenylmethanePolymer
The invention relates to the field of functional materials, in particular to a porous polymer material with an ultra-high specific surface area, a preparation method thereof and use thereof in gas storage or liquid adsorption. The porous polymer material with an ultra-high specific surface area is poly(tetraphenylmethane) of which the molecular formula is (C(Ph)4)n and the structure is shown below.
Owner:深圳市普迈达科技有限公司
Copper-containing molecular sieve Cu-CHA, catalyst and use thereof
InactiveCN110523432AStrong storageGood activity at low temperatureGas treatmentMolecular sieve catalystsThermal ageingMolecular sieve
The present application discloses a copper-containing molecular sieve Cu-CHA, a catalyst thereof and use thereof in the treatment of diesel vehicle exhaust gas, and belongs to the field of catalytic materials. The copper-containing molecular sieve Cu-CHA consists of zeolite having a CHA framework structure and containing silicon and aluminum elements as well as 1.65-3.05wt% of Cu; the Cu-CHA molecular sieve also comprises 0.5-1.5wt% of boron, and the Cu-CHA molecular sieve has an acid content of 0.25-0.98mmol / g. The Cu-CHA molecular sieve of the present application has an acid density as highas 0.25-0.98mol / g and a Cu content as low as 1.65-3.05wt%. As a catalyst for the selective catalytic reduction of ammonia, the Cu-CHA molecular sieve has excellent storage capacity for NH3 and good low-temperature activity, and the absence of CuOx species in the high-temperature section prevents the reduction of high-temperature activity due to non-selective oxidation of NH3. The Cu-CHA molecularsieve catalyst shows excellent catalytic activity in a wide temperature window, taking into account both low temperature and high temperature activities, and still shows good catalytic activity afterbeing subjected to hydrothermal aging treatment; and after being used in the treatment of diesel vehicle exhaust, the Cu-CHA molecular sieve catalyst has significant performance advantages.
Owner:SHANDONG SINOCERA FUNCTIONAL MATERIAL CO LTD
Bioactive glass (ceramic) material and casein phosphopeptide composition and application thereof in oral care products
InactiveCN109771319AEffectively remineralizes tooth enamelEffective/or dentin damageCosmetic preparationsToilet preparationsToothpasteDentin Sensitivity
The present invention provides a composition comprising a casein phosphopeptide and a bioactive material, and the bioactive material is a glass ceramic and / or a bioactive glass. The material can be made into oral care products of anhydrous system, such as an anhydrous toothpaste, mouthwash, tooth powder, a tooth gel, chewing gum, and the like. During use, the composition can effectively remineralize enamel and / or dentin damage, and block the ability to mask exposed dentin and / or cementum tubules; worn and / or etched enamel surfaces can be repaired; and the resistance of exposed and adjacent tooth structures to acid corrosion resistance to dentin sensitivity and caries prevention can be improved.
Owner:CHONGQING DENCARE CORP
Wall hollowing detection marking equipment based on ultrasonic waves
ActiveCN111307942AMeet the needs of useStrong storageAnalysing solids using sonic/ultrasonic/infrasonic wavesUltrasonic/sonic/infrasonic wave generationMarking outEngineering
The invention discloses wall hollowing detection marking equipment based on ultrasonic waves. The equipment comprises a machine body; a lifting plate is arranged on the upper side of the machine body;a lifting device for controlling the lifting plate to lift is arranged on the left side in the lifting plate; the lifting device comprises a folding cavity which is formed in the machine body and isprovided with an upward opening; sliding block cavities are formed in the lower wall of the folding cavity in a front-back symmetrical and communicating manner; a sliding block capable of sliding front and back is arranged in each sliding block cavity; telescopic hinges located in the folding cavities are connected between the upper ends of the sliding blocks on the front side and the rear side and the lower end face of the lifting plate through hinges. The telescopic hinges drive the lifting plate to ascend and descend, maximum storage can be achieved on the premise that the lifting height can meet the use requirement, and when an ultrasonic detector detects the bulging position in the wall surface, a marking ring is driven by high-pressure air to move rightwards to abut against the wallsurface through ingenious structural design in a pneumatic mode, and then the marking ring is driven to rotate and conduct marking.
Owner:深圳市浩天装饰有限公司
Transdermal delivery system of terbinafine hydrochloride long-acting spraying agent
ActiveCN107638423AWaterproofFriction-resistantOrganic active ingredientsAntimycoticsPharmaceutical drugMedicinal chemistry
The present invention belongs to the technical field of pharmaceutical preparations, discloses a transdermal delivery system for long-acting treatment of fungal skin infections, ie., a terbinafine hydrochloride long-acting spraying agent, and particularly provides a terbinafine hydrochloride water-soluble stable system preparation method, wherein the terbinafine hydrochloride long-acting sprayingagent can form a true film layer after the terbinafine hydrochloride long-acting spraying agent is sprayed onto the skin surface, such that the maintenance time of the preparation on the skin can be prolonged, the drug can be slowly released on the skin, and can act and be stored at lesions, and the long-acting treatment of fungal skin infections can be achieved.
Owner:CHINA PHARM UNIV
High energy storage density strontium potassium niobate based glass ceramic energy storage material and preparation and application thereof
The invention relates to a high energy storage density strontium potassium niobate based glass ceramic energy storage material and preparation and application thereof. After burdening materials according to a formula, the strontium potassium niobate based glass ceramic adopts a high-temperature fusion-rapid cooling technology to prepare the transparent niobate glass, and then the high energy storage density strontium potassium niobate based glass ceramic energy storage material is prepared through a microwave crystallization method. Compared with the existing conventional crystallization technology, the crystallization technology has the advantages of being shorter in crystallization time, more uniform in microstructure, higher in breakdown resistant electric field, and larger in energy storage density, and can be used as high energy storage capacitor and pulse technology materials.
Owner:TONGJI UNIV
Na-doped NH4V4O10 nanosheet material as well as preparation method and application thereof
ActiveCN111834628AStrong storagePorousMaterial nanotechnologyCell electrodesVanadium oxideBattery cell
The invention discloses a Na-doped NH4V4O10 nanosheet material as well as a preparation method and application thereof, and relates to the technical field of zinc ion battery electrode materials. TheNaxNH4V4O10 nanosheet material is prepared in a one-step hydrothermal assembly mode, and inserted NH4 < + > can be used as a 'strut' between vanadium oxide layers to prevent destructive structural change in an ion insertion / extraction process; an N-H-O bond network between NH4 < + > and the vanadium oxide layer increases the structural stability, and the cycling stability of an electrode materialtaking the NaxNH4V4O10 nanosheet material as an active substance is greatly improved. Overall, the ultra-thin nano active material shows excellent electrochemical performance; due to the two-dimensional nanosheet form and the adjustable large interlayer spacing, the material has good Zn < 2 + > storage capacity and ultrafast kinetic characteristics of ion intercalation / deintercalation, and the NH4V4O10 nanosheet material has high specific capacity, good rate capability and cycling stability and wide application prospect.
Owner:HUNAN INST OF TECH
Highly effective revulsion induction method for pinellia tuber excised tuber
InactiveCN100367846CShorten the growth cycleStrong stress resistanceHorticulture methodsPlant tissue cultureBiotechnologySucrose
Owner:ZHEJIANG SCI-TECH UNIV
Storing and fixing device for dynamic electrocardiograph
InactiveCN108569471AAvoid shakingStrong storageSurgical furnitureClosure with auxillary devicesEngineeringMechanical engineering
The invention discloses a storing and fixing device for a dynamic electrocardiograph. A winder of the storing and fixing device comprises a storage cylinder, a rotating disc, a pressure disc, a springand a sliding disc, wherein the sliding disc sleeves on a cylinder shell and is arranged in a linear sliding chute in a sliding manner; the pressure disc is arranged below the sliding disc; the spring sleeves on the cylinder shell and is connected with the sliding disc and the pressure disc; the rotating disc is rotatably arranged on the cylinder shell in an axial movement manner and is located above the sliding disc; a groove which runs through the outer side wall in the cylinder shell is formed in the upper end surface of the cylinder shell; and a clamping slot is formed in the rotating disc and comprises a round hole and threading slots, the round hole runs through the rotating disc along the axial direction, the threading slots run through the upper and lower side surfaces and side wall of the rotating disc and are communicated with the round hole, and the width of the threading slots is smaller than the outer diameter of the round hole. The storing and fixing device is strong instorage capacity; and when the device is covered with a tank cover, the spring can compress guiding linkage wires and a host, so that the situation that the host and the guiding linkage wires are shaken in the tank body can be prevented, and the safety is good.
Owner:隋红
Multifunctional study desk
PendingCN113796647AStrong sound fieldImprove experienceBook cabinetsCombination furnitureDeskWorking space
The invention discloses a multifunctional study desk. The multifunctional study desk comprises: a desk board body, a base and a lifting stand column, wherein the lifting stand column is connected with the desk board body and the base and used for adjusting the height of the desk board body relative to the base; an enclosure frame, which is connected with the desk board body and extends towards the upper portion of the desk board body, wherein the enclosure frame is provided with a left enclosure plate and a right enclosure plate which are located on the left side and the right side of the desk board body and a rear enclosure plate located on the side, away from a user, of the desk board body, and a working space is defined by the upper surfaces of the left enclosure plate, the right enclosure plate, the rear enclosure plate and the desk board body; a sound box unit, which is arranged in the working space; and a sound baffle assembly, which comprises two baffles arranged on the left side and the right side of the desk board body respectively and can move relative to the enclosure frame so as to allow the two baffles to stretch out of or retract into the enclosure frame. According to the multifunctional study desk, the sound effect of a sound box is good, and article storage capacity is high.
Owner:LOCTEK ERGONOMIC TECH CORP
Floating bearing of turbocharger
InactiveCN106545577AFlow through effectivelyReduce shear resistanceShaftsBearing componentsTurbochargerLubrication
The invention discloses a floating bearing of a turbocharger. The floating bearing comprises a floating bearing body, namely a floating sleeve, wherein a plurality of annular oil grooves are formed in inner and outer surfaces of the floating sleeve; the cross section of each annular oil groove is isosceles triangle-shaped; a ridge structure is arranged between every two adjacent annular oil grooves; through oil holes which penetrate through a wall of the floating sleeve are uniformly formed in the floating sleeve along a circumferential direction and an axial direction; and penetration positions of the oil holes are located on the ridge structures. The floating bearing has the beneficial effects that the annular oil grooves on the inner and outer surfaces of the floating sleeve form an unsmooth surface, and shearing resistance formed when lubrication oil flows by the unsmooth surface provided with the longitudinal annular oil grooves is smaller than that formed when the lubrication oil flows by a smooth surface, so that the lubrication oil can effectively flow by the surface, and an aim of drag-reduction is reached. Furthermore, the through oil holes are uniformly formed in the floating sleeve, and on the condition that the lubrication oil is used for lubrication, the oil holes have high capability of lubrication oil storage and oil film forming.
Owner:BEIJING UNIV OF TECH
Sharp device tube and medical trash can
PendingCN108992180AEasy to collectReduce incidenceSurgical furnitureInfusion needlesSyringe needleBiomedical engineering
The invention relates to the field of medical apparatuses, and provides a sharp device tube and a medical trash can. The sharp device tube is suitable to separate a needle and a flexible pipe which are connected mutually. The sharp device tube comprises a tube body and a tube cover. The tube cover is provided with separated feed ports used for needles and flexible pipes to insert. The tube cover is provided with a first separating piece and a second separating piece on positions corresponding to the separated feed ports. At least one of the first separating piece and the second separating piece is rotatably connected with the tube cover. The first separating piece and the second separating piece can cooperate to separate the needle and a flexible pipe which are connected mutually. The sharp device tube can realize to separate needles and flexible pipes, configuring scissors is not needed, and sharp devices can be treated in time. The sharp device tube is more convenient in operation, reduces occurrence rate of pricking wounds, and protects medical workers. The sharp device tube is wide in application range, and provides convenience for collecting sharp devices, especially needles with the flexible pipes. In addition, an embodiment of the invention also provides the medical trash can which can classify medical trash, and the medical trash can has good storage capability.
Owner:AFFILIATED YONGCHUAN HOSPITAL OF CHONGQING MEDICAL UNIV
Municipal environmental protection device
The invention discloses a municipal environmental protection device. The municipal environmental protection device comprises an inner bucket, an outer bucket and a support unit matched with the innerbucket, wherein the bottom of the outer bucket is provided with a lifting mechanism for driving the support unit to move up and down, and a balance weight matched with the lifting mechanism; the sidewall of the outer bucket is provided with a fastening switch matched with the balance weight; the upper portion of the outer bucket is provided with a circle of green plant planting chamber, which iscomposed of a housing, a baffle arranged on the housing, and a water absorbing sponge arranged inside the housing. According to the municipal environment protection device, the water absorbing spongearranged inside the housing can further achieve good water storage and reduce water evaporation, and the upper portion of the housing is provided with the baffle to further reduce water evaporation, thereby ensuring no rapid evaporation of a water source supplied for green plants as well as avoiding withering of the green plants.
Owner:倪土银
Folding type flexible photovoltaic panel folding and unfolding equipment
ActiveCN111245353AIncrease conversion efficiencyEasy to usePhotovoltaicsPhotovoltaic energy generationEngineeringMechanical engineering
The invention discloses folding type flexible photovoltaic panel folding and unfolding equipment which comprises a body. Storage cavities are formed in the left side and the right side in the main body; winding devices are arranged in the storage cavity and on the front side of the storage cavity; a central shaft rotationally connected between the front wall and the rear wall of a storage cavity is arranged in each winding device; the outer circular surface of the central shaft is rotationally connected with a rotary drum; a flexible photovoltaic panel is wound on the rotary drum; an outlet with an outward opening is formed in one side, far away from the symmetric center, of the storage cavity in a communicating manner. According to the invention, the flexible photovoltaic panel is wound;side support plates are folded through telescopic hinge support plates to be stored to the maximum extent; the flexible photovoltaic panel can be unfolded in a large area during unfolding; the conversion efficiency of electric energy is improved; the side support plates and the flexible photovoltaic panel can be controlled to be unfolded synchronously by rotating manual rotating wheels; and the folding and unfolding equipment is extremely convenient to use, high in stability and high in storage performance.
Owner:江苏纳光通信科技有限公司
Electric panoramic sunroof and application method thereof
ActiveCN108556600APrevent infiltrationAvoid siltingVehicle sealing arrangementsRoofsEngineeringToughened glass
The invention relates to an electric panoramic sunroof and an application method thereof. The electric panoramic sunroof comprises sunroof glass and a supporting frame, wherein the sunroof glass is awhole toughened glass; the supporting frame is connected to an automobile body; the supporting frame integrally adopts a frame structure, and is used for supporting the sunroof glass; a frame guide rail, a drainage structure and a lifting assembly are arranged on the supporting frame; and the lifting assembly comprises a high lifting assembly and a low lifting assembly. The application method of the electric panorama sunroof comprises a working method of the high lifting assembly, a working method of the low lifting assembly, an application method of a sunshade device and a mounting and application method of a sealing waterproof piece. The technical scheme adopted by the electric panoramic sunroof disclosed by the invention is excellent in sealing function; drainage is effective, and the infiltrating and siltation of rainwater are avoided; and the high lifting assembly and the low lifting assembly are designed, so that the ventilation capacity of an automobile is improved.
Owner:ANHUI ANJIAN AUTO SKYLIGHT TECH CO LTD LUAN CITY
Portable information projection equipment
InactiveCN111221212AStrong storageImprove protectionProjectorsStands/trestlesSuction forceMechanical engineering
The invention discloses portable information projection equipment, which comprises a main body, wherein a protection cavity which is provided with an upward opening and used for storing a projector isformed in the left side in the main body; a lifting device is arranged in the protection cavity; a lifting plate which is arranged in the protection cavity in an up-down sliding manner is arranged inthe lifting device; a projector is placed above the lifting plate; the right side of the protection cavity is provided with a storage cavity which runs through front and back, has an upward opening and is used for storing a curtain; an air suction device is arranged on the lower side of the protection cavity; and a fan located on the lower side of the storage cavity is arranged in the air suctiondevice. According to the invention, the projector and the curtain are stored for storage and protection; when the equipment is used, the projector can be automatically moved out, the curtain is automatically unfolded, the curtain is automatically sucked into the storage cavity through suction force when the equipment is recycled, manual assistance is not needed for folding the curtain, the storage and protection performance is high, manual assistance is not needed when the equipment is used and recycled, and the use is extremely convenient.
Owner:WUYI XIANHE ELECTRONICS CO LTD
Installation method of foldable tent based on rigid folded paper
InactiveCN114150924ASimplify the build processHigh speedTents/canopiesIsosceles trapezoidStructural engineering
The invention discloses an installation method of a foldable tent based on rigid folded paper. The foldable tent comprises a foldable arched shed roof, a left curtain, a right curtain and a bottom plate. The deployable arched shed roof is formed by longitudinally splicing and combining a plurality of folding layers, and each folding layer comprises two deployable units which are symmetrically distributed; each extensible unit comprises a first isosceles trapezoid panel, a second isosceles trapezoid panel, a first right trapezoid panel, a second right trapezoid panel, a third isosceles trapezoid panel, a fourth isosceles trapezoid panel, a fifth isosceles trapezoid panel and a sixth isosceles trapezoid panel. The extensible arched shed roof is of an integrated structure, comprises hydrophobic cloth on the outer layer, a rigid panel on the middle layer and flame-retardant cloth on the inner layer and is processed and manufactured through lamination forming, and the extensible arched shed roof is completely unfolded into an arched semi-tube shape from a flat shape formed when the extensible arched shed roof is completely folded. The foldable tent does not need to be additionally covered with tarpaulin, the building process is simple, and the speed is high; the mounting method comprises a building method and a fastening method.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
File copy storage method and device, readable storage medium and electronic equipment
InactiveCN110647516AStrong storageImprove data load balanceDigital data information retrievalSpecial data processing applicationsComputer hardwareEngineering
The embodiment of the invention provides a file copy storage method and device, a readable storage medium and electronic equipment, and the method comprises the steps: obtaining a target ID based on the storage IDs of a plurality of storage nodes and the evaluation coefficient of each storage node; wherein the storage ID corresponds to the evaluation coefficient, the target ID is the storage ID corresponding to the optimal evaluation coefficient in the evaluation coefficients of each storage node, and the evaluation coefficient of each storage node represents the storage performance of the storage node for the copy of the target file; and storing the copy of the target file to a storage node corresponding to the target ID. A storage ID corresponding to an optimal evaluation coefficient inevaluation coefficients is obtained as a target ID. The copy of the file is stored in the storage node corresponding to the target ID, so that the copy is stored in the storage node with the strongeststorage performance for the copy, the data load balance of the storage system is improved, and the data storage performance of the storage system is improved.
Owner:重庆紫光华山智安科技有限公司
Device and method for measuring water depth
ActiveCN109099854BWide adaptabilityAccurate measurementUsing optical meansMeasurement deviceEngineering
The invention relates to the technical field of water depth measurement, and provides a measuring device and a measuring method for water depth. The measuring device comprises a diving part, a floating part, a hand-held control part, a measuring rope. The diving part sneaks into the depth of the water to control a travel direction and a travel distance by a corresponding remote control part; the floating part floats on the water; the hand-held control part is controlled by the measurer standing on the shore; the measuring rope extends from the hand-held control port, penetrates the floating port and is connected to the diving port; and the floating port floats on the water surface as the diving port travels to ensure that the floating port and the diving port are maintained in the same vertical direction. The water depth measuring device provided by the invention sneaks into the deep bottom of the water through the diving part, and drives one end of the measuring rope to reach the deepbottom of the water, the measuring rope penetrates the floating part floating on the water surface, and a distance of the measuring rope between the diving part and the floating part is the depth ofthe waters. In this way, the measurer can know the depth of the water by reading a water inlet distance of the measuring rope.
Owner:JIANGSU ENG EXPLORATION & SURVEYING INST
An Ultrasonic-Based Wall Drum Detection and Marking Equipment
ActiveCN111307942BMeet the needs of useStrong storageAnalysing solids using sonic/ultrasonic/infrasonic wavesUltrasonic/sonic/infrasonic wave generationMarking outEngineering
The invention discloses wall hollowing detection marking equipment based on ultrasonic waves. The equipment comprises a machine body; a lifting plate is arranged on the upper side of the machine body;a lifting device for controlling the lifting plate to lift is arranged on the left side in the lifting plate; the lifting device comprises a folding cavity which is formed in the machine body and isprovided with an upward opening; sliding block cavities are formed in the lower wall of the folding cavity in a front-back symmetrical and communicating manner; a sliding block capable of sliding front and back is arranged in each sliding block cavity; telescopic hinges located in the folding cavities are connected between the upper ends of the sliding blocks on the front side and the rear side and the lower end face of the lifting plate through hinges. The telescopic hinges drive the lifting plate to ascend and descend, maximum storage can be achieved on the premise that the lifting height can meet the use requirement, and when an ultrasonic detector detects the bulging position in the wall surface, a marking ring is driven by high-pressure air to move rightwards to abut against the wallsurface through ingenious structural design in a pneumatic mode, and then the marking ring is driven to rotate and conduct marking.
Owner:深圳市浩天装饰有限公司
Novel combined bed
The invention relates to a novel combined bed including a bed head and a bed body, the bottom of the bed body is provided with an opening groove, the lower part of the bed head is box-shaped, the bed head is provided with a turnover door to open or close the lower part of the bed head, the upper part of the bed head is provided with drawers and material placing lattices, the novel combined bed also includes a plurality of box bodies, and the height of the box bodies is lower than that of the opening groove. The novel combined bed has reasonable structural design, convenient use, strong storage capacity, and other advantages, enables people to rationally use a room space, saves the projected area to a l maximum degree, reduces the cost of a house, and is suitable for rooms with large or small sizes, and worthy of popularizing.
Owner:刘茵
Measuring tool storage box for architectural design
ActiveCN113212954AImprove storage qualityReasonable designContainers preventing decayWork tools storageEngineeringBuilding design
The invention discloses a measuring tool storage box for architectural design. The measuring tool storage box comprises a box body, a bearing assembly is installed at the bottom of the box body, a movable table assembly is installed on the left side of the exterior of the box body, and a connecting hinge used for being connected with the movable table assembly is installed on the outer side of the box body; fixing assemblies used in cooperation with the movable table assembly are installed on the front side and the rear side of the box body separately, a drawing storage assembly is installed on the lower portion of the interior of the box body, and a drying device used in cooperation with the drawing storage assembly is further installed on the outer portion of the lower portion of the box body; and three tool storage pull boxes are further installed on the inner upper portion of the box body at equal intervals. The design is reasonable, the storage capacity is high, the movable table assembly is arranged outside, temporary design and practicability are facilitated, the inner drawing storage assembly is matched with the drying device, design drawings can be dried and stored, the drawing storage quality is further improved, and the measuring tool storage box has high practicability and market prospects and is suitable for large-scale popularization and application.
Owner:INNER MONGOLIA UNIV OF TECH
Special magnesian clay crosslinking suspending agent for liquid fertilizer and preparation method thereof
InactiveCN106831135AStrong storageFast water absorptionLiquid fertilisersFertilizer mixturesCross-linkHigh magnesium
The invention belongs to the technical field of fertilizer production and specifically relates to a special magnesian clay crosslinking suspending agent for a liquid fertilizer and a preparation method thereof. The special magnesian clay crosslinking suspending agent for a liquid fertilizer is prepared from the following raw materials (by weight): 80-90 parts of magnesian clay, 2-8 parts of melamine, 0.01-0.2 part of a crosslinking adjuvant, 0.05-0.5 part of an initiator, and 0.1-0.8 part of a surfactant. Through high-temperature collision dispersion and quenching of the magnesian clay with high magnesium content, the magnesian clay becomes fluffy and light; and under the action of the crosslinking adjuvant, the magnesian clay and melamine are cross-linked to form a light porous magnesian clay crosslinking suspending agent. The suspending agent is used in a liquid fertilizer, can rapidly absorb water to be expanded to form gel and has good compatibility and stability in water. On one hand, a liquid fertilizer can be suspended due to the thickening effect; and on the other hand, the product will not settle and prevents segregability in water. Defects such as short suspension time and easy layering of traditional clay in a liquid suspension fertilizer are overcome.
Owner:CHENDU NEW KELI CHEM SCI CO LTD
A kind of transdermal delivery system of terbinafine hydrochloride long-acting film spray
ActiveCN107638423BWaterproofFriction-resistantOrganic active ingredientsAntimycoticsPharmaceutical drugDrug release
The invention belongs to the technical field of pharmaceutical preparations, and discloses a transdermal delivery system for long-acting treatment of skin fungal infections: terbinafine hydrochloride long-acting spray film agent, and particularly provides a water-soluble stable system of terbinafine hydrochloride method of preparation. The terbinaphthol hydrochloride long-acting spray film is characterized in that it can form a true film when it is sprayed on the skin surface, prolongs the maintenance time of the preparation on the skin, and can make the medicine slowly release on the skin, and acts and stores in the skin. Focus, to achieve long-term treatment of skin fungal infection.
Owner:CHINA PHARM UNIV
a na-doped nh 4 v 4 o 10 Nano sheet material and its preparation method and application
ActiveCN111834628BStrong storagePorousMaterial nanotechnologyCell electrodesZinc ionPhysical chemistry
A Na-doped NH 4 V 4 o 10 The nano sheet material and its preparation method and application relate to the technical field of zinc ion battery electrode materials. The present invention prepares Na x NH 4 V 4 o 10 nanosheet material, in which the intercalated NH 4 + Can act as a "pillar" between vanadium oxide layers, preventing destructive structural changes during ion intercalation / extraction; NH 4 + and the N‑H‑O bond network between the vanadium oxide layer increases the structural stability, greatly improving the above-mentioned Na x NH 4 V 4 o 10 Cyclic stability of electrode materials where nanosheet materials are active materials. Overall, the ultrathin nano-active material exhibits excellent electrochemical performance, and the material has good Zn 2+ Storage capacity and ultrafast kinetics of ion intercalation / extraction, the aforementioned NH 4 V 4 o 10 Nanosheet materials have high specific capacity, good rate performance and cycle stability, and have broad application prospects.
Owner:HUNAN INST OF TECH
Foldable tent based on rigid folded paper
PendingCN114150925ASimplify the build processHigh speedTents/canopiesIsosceles trapezoidStructural engineering
A foldable tent based on rigid folded paper comprises a foldable arched shed roof, a left curtain, a right curtain and a bottom plate. The deployable arched shed roof is formed by longitudinally splicing and combining a plurality of folding layers, and each folding layer comprises two deployable units which are symmetrically distributed; each extensible unit comprises a first isosceles trapezoid panel, a second isosceles trapezoid panel, a first right trapezoid panel, a second right trapezoid panel, a third isosceles trapezoid panel, a fourth isosceles trapezoid panel, a fifth isosceles trapezoid panel and a sixth isosceles trapezoid panel. The deployable arched shed roof is of an integrated structure, comprises hydrophobic cloth on the outer layer, a rigid panel on the middle layer and flame-retardant cloth on the inner layer, and is processed and manufactured through lamination forming. The deployable arched shed roof is completely unfolded into an arched semi-tube shape from a flat shape when being completely folded; the foldable tent does not need to be additionally covered with tarpaulin, after being unfolded, the foldable tent only needs to be fixed to the bottom plate, then the left curtain and the right curtain are installed, the foldable tent can be put into use, the building process is simple, and the speed is high.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Image encryption method based on genetic algorithm
InactiveCN110502907AReduce correlationIncrease entropyDigital data protectionGenetic algorithmsAlgorithmCiphertext
The invention discloses an image encryption method based on a genetic algorithm, and the method comprises the steps: firstly converting a plaintext image into a one-dimensional array, i.e., a plaintext image DNA sequence; then, adopting a logistic chaotic mapping function to perform mapping to generate a chaotic sequence, and converting the chaotic sequence into a specified DNA sequence; and performing exclusive OR operation on the specified DNA sequence and the plaintext image DNA sequence, calculating an entropy value, and finding the DNA sequence with the maximum entropy after exclusive ORoperation by adopting a genetic algorithm to serve as a ciphertext image. According to the image encryption method based on the genetic algorithm, the genetic algorithm is taken as a main line, and the Logistic chaotic mapping function, the DNA conversion rule and the genetic algorithm are respectively used, so that the correlation between two adjacent pixels is effectively reduced, and the security and robustness of image encryption are enhanced.
Owner:XIAN UNIV OF TECH
Methane storing inorganic and organic hybridized microporous materials and producing method
InactiveCN1548798AImprove storage effectStrong storageOther chemical processesFixed capacity gas holdersMicroporous materialOrganic inorganic
The hybrid methane-storing organic-inorganic porous material has the chemical expression of CoC11H10NO4, and consists of skeleton support element in 21.2 wt%, anionic bridging ligand 58.8 wt% and neutral bridging ligand 20.1 wt%. It is prepared via multi-layer solution diffusion and mixing process. The material of the present invention has relatively high methane-storing capacity.
Owner:ZHEJIANG UNIV
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