507results about How to "stable structure" patented technology

The invention belongs to the technical field of nano composite materials and particularly relates to a metal organic frame composite material and a preparation method thereof. The preparation method comprises the steps of adding metal ions and organic ligand into polymer nanowire solution with a core-shell structure to form mixed solution; under the room temperature, crystallizing to obtain the polymer nanowire composite with the metal organic frame/core-shell structure. The composite has the geometric shape same as that of the crystal of the pure metal frame compound, the polymer nanowires penetrate through and cover the single crystal particle, and the particles are connected by the polymer nanowires. In addition, the metal organic frame nanowire network composite growing along the polymer nanowires can be obtained. Due to addition of the polymer nanowires, functional groups or particles can be introduced, and the functionality of the metal organic frame composite material is improved. The composite material has the advantages that the preparation process is simplified, the stability of macroscopic aggregates of the material is improved and the actual application of the material is facilitated.

The invention relates to a silicon/carbon composite microsphere negative electrode material as well as a preparation method and an application for the same. The silicon/carbon composite microsphere negative electrode material is silicon/carbon composite microspheres internally provided with pore structures; and each microsphere comprises a matrix material of hard carbon, and an active material of silicon powder. The preparation method for the silicon/carbon composite microsphere negative electrode material comprises the following steps of: uniformly mixing silicon powder, soft carbon, carbon black, a soluble carbon-containing organic adhesive and a solvent with formula amounts to obtain a slurry; and performing spray-drying and carbonization on the slurry to obtain the silicon/carbon composite microsphere negative electrode material. The silicon/carbon composite microsphere negative electrode material provided by the invention has the advantages of being high in tap density, high in reversible capacity, good in cyclicity, good in rate capability, safe and reliable, and high in first-week coulombic efficiency; the preparation method provided by the invention is simple in process, environment-friendly, low in energy consumption and cost, and easy to realize large-scale production.

The invention relates to a tubular nanofiltration membrane with a multi-layer structure and a preparation method thereof. The tubular nanofiltration membrane with the multi-layer structure is four-layered, and the four layers comprises a first layer, a second layer, a third layer and a fourth layer from inside to outside in sequence, wherein the first layer is a microfiltration supporting tube made from a carboxyl-contained fiber knitting tube which is filled with inorganic minerals; the second layer is a ultrafiltration layer formed by coating carboxyl-contained polymer on the outer surface of the first layer; the third layer is a nanofiltration layer made of polyamide formed by interfacial polymerization; and the fourth layer is a water loving layer forming covalent binding with the third layer. The tubular nanofiltration membrane with the multi-layer structure is obtained through the steps of forming functional layers from indie to outside in sequence, and stable chemical binding is formed among layers, so that the tubular nanofiltration membrane has excellent resistance to pressure and mechanical strength, and good water loving property, water permeability and antifouling ability; and moreover, the flux reaches more than 30 L/m<2>h, the removal rate of singlevalent salt is more than 30%, and the removal rate of bivalent salt is more than 95%.

The invention provides a concrete cracking overall process testing device based on a true environment. The device comprises a base, wherein an environmental box, a concrete sample containing device, a true environment simulation system and a loading system are arranged on the base; the environmental box is isolated from the surroundings; the concrete sample containing device is arranged in the environmental box and comprises a fixed chuck, a movable chuck and a sample middle fixed side formwork, the fixed chuck, the movable chuck and the sample middle fixed side formwork are spliced to form a concrete sample containing space, the fixed chuck is fixedly arranged in the environmental box, and the movable chuck is movably arranged; the environmental box and the concrete sample containing space are provided with temperature sensors; the true environment simulation system at least comprises a temperature regulation device which is arranged in the environmental box and the concrete sample containing device to simulate the set true environment at temperature; the loading system enables the movable chuck to be fixed or move in the axis direction, and a displacement/deformation sensor is arranged on the movable chuck to sense deformation of a concrete sample; a stress sensor is arranged to sense the load borne by the sample. The device can be used for testing the whole process of development of temperature, stress and other factors of concrete in a changeable environment from the test angle.

The invention discloses a preparation method of a magnetic graphene based oil absorption foam material. The preparation method comprises the following steps of peeling graphite by utilizing an improved Hummers method to obtain graphite oxide; carrying out ultrasonic dispersion on the graphite oxide to obtain a graphene oxide water solution; adding a carbon nano tube into the solution, and carrying out suction filtration to form a film; carrying out hydrothermal reduction to obtain the graphene based foam material; supporting ferric oxide on the surface of the graphene based foam material which is used as carrier through a chemical method so as to prepare the magnetic graphene based oil absorption foam composite material. The magnetic graphene based foamed composite material obtained by utilizing the method provided by the invention has good adsorptive property on the oil and an organic solvent, meanwhile, the structure is stable, a magnetic separation method is adopted to realize the reuse of the material, and the preparation method establishes the foundation for the application of the graphene based foam material on the oil water separation field.

A control circuit for a switched mode power supply includes a transconductance amplifier circuit for receiving a voltage signal related to a current from an input of the power supply and producing a first signal, an analog signal processor coupled to the amplifier circuit for receiving the first signal and a second signal from the input of the power supply and a third signal from an output of the power supply. The analog signal processor is configured to produce a fourth signal as a function of the first, the second, and the third signals. An adder circuit is coupled to the fourth signal and a dimmer control signal, and the adder circuit is configured to output a fifth signal. A comparator circuit is coupled to the adder circuit for providing a control signal to a power transistor that controls current flow in the power supply based on comparison of the fifth signal and a reference signal.

The invention provides a preparation method and application of a lithium-titanium type ion sieve composite membrane. The preparation method comprises the following steps: step 1, preparing a lithium ion sieve Li2TiO3 precursor: adding TiO2 and Li2CO3 into absolute ethyl alcohol; after uniformly mixing, drying and baking; washing a baked lithium ion sieve Li2TiO3 with acid, so as to obtain the lithium ion sieve Li2TiO3 precursor; step 2, preparing the lithium-titanium type ion sieve composite membrane: dissolving the lithium ion sieve Li2TiO3 precursor, polyvinylidene fluoride powder and polyethylene glycol into an N-methyl pyrrolidone solution; mechanically stirring and uniformly mixing at constant temperature to prepare a lithium-titanium type ion sieve membrane casting solution; putting the lithium-titanium type ion sieve membrane casting solution into distilled water to obtain the lithium-titanium type ion sieve composite membrane capable of specifically identifying lithium ions. The prepared lithium-titanium type ion sieve composite membrane has good mechanical properties and stable structure and can be used for efficiently and selectively identifying and separating the lithium ions, such as selectively adsorbing and separating the lithium ions from salt lake brine.

The invention discloses pH-responsive comb-like copolymer and preparation and application thereof. The preparation includes obtaining pH-responsive group by ARGETATRP (activator regeneration by electron transfer and atomic transfer radical polymerization), obtaining hydrophobic group by ROP (ring opening polymerization), using the pH-responsive group and the hydrophobic group to form block copolymer, using the block copolymer as macroinitiator to initiate ARGETATRP of hydrophobic macromers, and obtaining the pH-responsive amphipathic comb-like copolymer by selective hydrolysis reaction. The proportion of functional groups in the polymer molecule is easy to regulate. The synthetic process is simple, and yield is high. The hydrophobic group and the pH-responsive group obtained by dialysis form polymeric micelles of a shell, drug slightly soluble in water can be entrapped in a core of the polymeric micelles, the drug is kept to release slowly in the presence of gastric juice, and the drug is quickly and controllably released in intestines.

The invention relates to stationery, in particular to a pen. The pen is compose of a pen core, a spring, a front pen holder and a rear pen holder, the body of the pen core is located in the front penholder and the rear pen holder, and a front pen point of the pen core can extend out of a front end part of the front pen holder. The matching rotation mode of a rotary clamping piece and a guide groove in a rotary connecting body provided by the pen, a first axial movement stroke is compressed, the resilience force of the spring is combined, so that the quick operation of single-hand gestures isrealized, and the pen core is hidden or extended out; according to the matching rotation mode, the structure is simple and stable, so that the pen with the same function is stable and durable.

The present invention relates to a method for manufacturing a lithiated metal-carbon composite electrode, a lithiated metal-carbon composite electrode manufactured thereby, and an electrochemical device including the electrode. More particularly, the present invention relates to a method for manufacturing a lithiated metal-carbon composite electrode with a new structure having excellent charge/discharge and cycle characteristics, a lithiated metal-carbon composite electrode manufactured thereby, and an electrochemical device including the electrode. In the lithiated metal-carbon composite electrode, lithium is alloyed with a metal and is inserted into a crystal structure of carbon to form the composite having a stable structure. Thus, a volume of the metal is slightly varied, so a cycle characteristic may not be deteriorated and charge/discharge capacities may be improved. The lithiated metal-carbon composite electrode may control an irreversible capacity during initial charging/discharging and may be substituted for an unsafe lithium metal anode.

The invention discloses a sample culture carrier. The sample culture carrier comprises a base and multiple culture vessels, all the culture vessels are stacked, each culture vessel comprises a vessel body, a vertical cylinder, a bump and an injection tube, the end face of the top of each vessel body is provided with a vessel top groove, the top of the base is provided with a base top groove, and the bump of the lowest culture vessel is located in the base top groove; a rotating tube penetrates through all the vertical cylinders, the rotating tube and the vertical cylinders can rotate relatively, the outer side wall of the rotating tube makes close contact with the inner side walls of the vertical cylinders, and a drain groove is formed in the outer side wall of the rotating tube; each vertical cylinder is provided with a liquid equalizing hole communicated with the interior of the corresponding vessel body, each liquid equalizing hole is provided with a cell filtering net and a liquid equalizing one-way valve, and the lower end of each injection tube is communicated with the interior of the corresponding vessel body; the bump of the upper culture vessel is located in the vessel top groove of the corresponding lower culture vessel. The sample culture carrier has the advantages of being suitable for cell culture, determination and comparison, reasonable in spatial arrangement, stable in structure, convenient and rapid to operate, good in consistency of adjustment in the experimental process and high in accuracy.

The invention provides a curved mirror reflector (2), which comprises a flat glass structure (6), a middle bonding layer (7) and a flat glass mirror (8), wherein the flat glass structure (6) and the flat glass mirror (8) are processed by non-edging and/or non-tempered common glass; the middle bonding layer (7) is located between the flat glass structure (6) and the flat glass mirror (8), and is bent and deformed under support of a mould through a mechanical manner, and the bent and deformed flat glass structure (6), the middle bonding layer (7) and the flat glass mirror (8) are solidified and bonded to a composite curved surface structure through a heating and/or normal-temperature solidification manner. The curved mirror reflector (2), provided by the invention, can be widely applied in all kinds of fields of solar thermal collection and focus and solar thermal power generation.

The invention discloses manufacturing equipment of back-sided crossed dovetail grooves of tiles and a manufacturing method of the back-sided crossed dovetail grooves of the tiles. The manufacturing method comprises the following steps: mutually and cooperatively performing compression molding on tile blank bodies by adopting two large components including a tile blank body molding surface pressingstand and a tile blank body back pressing stand; configuring a layer of movable inclined-edge molding plate in the tile blank body back pressing stand to perform compression and die carving on the back sides of the tile blank bodies; forming crossed oblique post openings formed by crossed mounting tile molding teeth on the back sides of the tiles and then combining the crossed oblique post openings to form the crossed dovetail grooves. The tile blank body molding surface pressing stand prepared by the invention comprises the inclined edge molding plate, the back pressure stressed bedplate anda tile die-compression back pressure plate, wherein prestressed compression fixed columns are formed between the back pressure stressed bedplate and the tile die-compression back pressure plate; a stressed structure adopts a linkage type combination form, compression on back-pattern crossed type dovetail grooves of the tile blank body can be carried out in one pultruded stroke; the back patternsof the prepared tile blank body are crossed into inclined columns and the inclined columns are combined into the crossed dovetail grooves.

The invention discloses an integrated sample culture device. The integrated sample culture device comprises a base and a plurality of culture vessels which are stacked. Each culture vessel comprises a vessel body, a vertical cylinder, a protruding block and a liquid injection pipe, wherein a vessel top groove is formed in the top end face of the vessel body. A base top groove is formed in the top of the base, the protruding block of the lowermost culture vessel is located in the base top groove, a rotating pipe penetrates through all the vertical cylinders, the rotating pipe and the vertical cylinders can rotate relatively, the outer side wall of the rotating pipe and the inner side walls of the vertical cylinders are in sealed contact, and a liquid discharging groove is formed in the outer side wall of the rotating pipe. Liquid unifying holes communicated with the interiors of the vessel bodies are formed in the vertical cylinders, cell filter screens and liquid unifying one-way valves are arranged in the liquid unifying holes, and the lower ends of the liquid injection pipes are communicated with the interiors of the vessel bodies. The protruding blocks of the culture vessel bodies on the upper portion are located in the vessel top grooves of the culture vessel bodies on the lower portion. The integrated sample culture device has the advantages of being suitable for cell culture, measuring and comparing, reasonable in space layout, stable in structure, capable of achieving convenience and fastness in the operation process and high in adjusting consistency and accuracy in the experiment process.

The invention relates to a pyrimidine-ring-contained palladium metal ligand and a preparation method thereof, belonging to the field of organic synthesis. The pyrimidine-ring-contained palladium metal ligand has a general formula which is shown in the specification, wherein the dotted portion is R; R is aryl or ferrocenyl, R1 is phenyl, ring ethyl, ethyl, propyl, or butyl, and Aryl is aryl or heterocyclic group, and X is selected from Cl-, Br- and I-. The preparation method of the pyrimidine-ring-contained palladium metal ligand comprises the following steps of: mixing halogenated pyrimidine ground ring single palladium adduct, Aryl-B(OH)2, alkali and organic solvent; heating and refluxing under the protection of inert gases; adding water after refluence; and then, adding an organic solvent to extract products to obtain a pyrimidine-ring-contained palladium metal ligand. The halogenated pyrimidine ground ring single palladium adduct has a general formula which is shown in the specification, wherein the dotted portion is R; the X1 is Cl-, Br- or I-. The method avoids the direct reaction between a multidentate ligand and a palladium source, avoids adding an additional palladium catalyst in a reaction process, has low requirements for reaction conditions, high yield and stable products and can be used for preparing ring-palladium polynuclear metal compositions.

The invention relates to an express waybill with the privacy information protection function. The express waybill with the privacy information protection function is characterized in that the express waybill is divided into five regions of a sending-out information region, a consignee information region, a sender information region, a charge information region and a destination information region; both consignee information and sender information are enciphered information, and partial information is shown in asterisks; the support value charge information and insured amount region information in the charge information region are enciphered information and are shown in asterisks; the destination information region includes character information including the specific address, corresponding barcode information for system recognition, starting address acronyms, ending address acronyms, the consignee signature region and 2-dimensional barcodes; and the 2-dimensional barcodes include all the express information and are recognized through an express logistics management system. According to the express waybill with the privacy information protection function, by the adoption of the efficient privacy information encryption algorithm, the data coding technology and the express information management system, the customer identity information in the express waybill is protected, the algorithm robustness is high, the information management system is stable in structure, and extremely high practicability is achieved.

The invention discloses a cholesteric-phase flexible liquid crystal display device and a preparation method of the cholesteric-phase flexible liquid crystal display device. The cholesteric-phase flexible liquid crystal display device comprises a light absorption layer, a first flexible substrate, a second flexible substrate, a first electrode, a second electrode, a first orientation layer, a second orientation layer, a liquid crystal mixture layer and a light mask plate. Ultraviolet light acts on the flexible liquid crystal display device through the light mask plate, the liquid crystal mixture layer is provided with a polymer wall of a special structure, and capsulation covering is conducted on liquid crystal molecules through the polymer wall formed through a polymerization reaction, so that the cholesteric-phase flexible liquid crystal display device is formed. Compared with display devices of other types, the cholesteric-phase flexible liquid crystal display device has the advantages of being low in power consumption, small in size, low in cost and the like, a capsulation flexible panel of cholesteric liquid crystals is formed in a special mode, the polymer wall has the specific structure, and the cholesteric-phase flexible liquid crystal display device has good photoelectric performance and display and mechanical overall performance.

The present invention relates to preparation process of C/C heater for monocrystal silicon drawing furnace and polycrystal silicon smelting furnace. The preparation process includes preparing 3D heat isolating screen prefab with carbon fiber; dipping the prefab in pitch or furfural acetone resin and charring repeatedly and treating the compacted heater prefab at high temperature to raise the surface opening rate for several times to reach the density of 1.60 g/cu cm; high temperature purifying the heat isolating screen through introducing chlorine and Freon; and final machining to obtain the C/C heater for monocrystal silicon drawing furnace and polycrystal silicon smelting furnace. The C/C heater for monocrystal silicon drawing furnace and polycrystal silicon smelting furnace has effectively lowered resistivity, low cost and long service life.

A portable mast lift includes a base unit having a mast and a platform lifting system. A work platform is raised and lowered on the mast of the lifting system. The mast lift is transportable and operable by a single user. In one arrangement, a machine weight of the mast lift is less than 200 lbs. Additionally, the mast lift is preferably supported in use at two support points. Multiple embodiments of the mast lift provide for varying maximum reach and load limits.

The invention provides an otolithiasis diagnosis and treatment and semicircular canal function test integrated system.The system has the advantages of being stable in whole structure, easy and convenient to operate, high in reliability and the like.The system particularly comprises a rotating device, a seat adjustment device, a human body fixing device and a control and treatment device, wherein motors and a control device of the rotating device and the seat adjustment device are in communication connection with the control and treatment device, the seat adjustment device is rigidly connected to the rotating device, and a seat rotating shaft of the human body fixing device is movably connected to the seat adjustment device.The otolithiasis diagnosis and treatment and semicircular canal function test integrated system can enable a patient fixed on a seat to rotate by any angle on the two vertical axes which are perpendicular to each other in the space, and the otolithiasis diagnosis and treatment and semicircular canal function test requirements are met; the gravity center balance adjustment function in idle load and load is achieved, the gravity center and the center of rotation coincide, the problem that the rotating shaft is prone to damage due to rotation eccentricity is solved, and the stability is improved; meanwhile, the full-automatic and manual integrated operation function is achieved, operation is easy and convenient, and the reliability is high.

The invention discloses a heavy metal sewage composite adsorbent and a preparation method thereof. It is composed of the following raw materials in parts by weight: 20-30 zeolite; 20-24 resorcinol; 12; humic acid 1.0-2.0; triethylenediamine 0.8-1.2; methylcellulose 3.0-5.0; sodium dodecylsulfonate 2.0-4.0; graphene nanolayer/MnO2 composite 3.0-6.0; chitosan Sugar-graphene composite material 5.0-10.0. The beneficial effects of the present invention are: (1) the airgel material for sewage treatment of the present invention has a large pore size, stable structure, and is easy to absorb heavy metal ions in sewage; (2) the airgel material for sewage treatment of the present invention The gel material has good adsorption efficiency and large adsorption capacity for heavy metal ions in sewage; (3) the airgel material used for sewage treatment of the present invention has a simple production process, low cost, safety and environmental protection, and has a high market application prospect.

The invention discloses a touch screen module and a preparation method therefor in order to solve the technical problem of layering or fragmentation which often occurs when a touch screen in the prior art falls off. The touch screen module herein comprises: a cover board, a sensing module and a frame body for bearing the cover board and the sensing module, wherein the cover board, the sensing module and the frame body are successively arranged, and the cover board and the sensing module are provided with a first colloid layer therebetween, and the sensing module and the frame body are provided with a second colloid layer therebetween, and the outer circumference of the sensing module is provided with at least one opening portion, and the second colloid layer fills inside the opening portion so as to bond the cover board and the frame body. The cover board and the frame body are bonded together through the opening portion, so that the whole touch screen module can be firmer, and layering or fragmentation when the touch screen falls off can be prevented.

The invention discloses a flexible and active color semiconductor light-emitting display module and a flexible display screen. The flexible and active color semiconductor light-emitting display modulecomprises a flexible and active matrix display control circuit substrate, a short-wavelength III-V semiconductor light-emitting device array intermediate layer and thin film matrix array top layers,wherein the thin film matrix array top layers are corresponding to short-wavelength III-V semiconductor light-emitting device arrays and are used for respectively emitting blue light, green light andred light, the short-wavelength III-V semiconductor light-emitting device array intermediate layer is pasted onto the flexible and active matrix display control circuit substrate, and the thin film matrix array top layers are etched onto a part of the short-wavelength III-V semiconductor light-emitting device array intermediate layer. By the flexible and active color semiconductor light-emitting display module, the flexible and active color semiconductor light-emitting display module can be produced and manufactured, a flexible display screen is produced, and the flexible and active color semiconductor light-emitting display module has the advantages of simple process, structural stability, relatively high finished rate and the like.

A light-emitting diode (LED) lamp bulb, comprises a lampshade, a lamp holder and a fixing base, wherein internal threads are formed in the lamp holder; external threads are formed on an outer wall of the fixing base; the fixing base is extended into the lamp holder from an open end of the lamp holder; the fixing base is in threaded connection with the internal threads in the lamp holder through the external threads of the fixing base, or alternatively, viscose glue is coated between the fixing base and the lamp holder and the fixing base is directly adhered to the lamp holder; the lampshade is connected with the open end of the lamp holder; aluminum bases are fixed on the fixing base; and LEDs are disposed on the aluminum bases which are disposed in the lampshade.

The invention relates to a surface modified nano metal oxide anti-wear self-repairing material and a preparation method thereof. The prepared product is good in oil solubility, the generation of sediment of the product in lubricating oil, which affects the extreme pressure and anti-wear performance of the product, is avoided, and the product can be dissolved in lubricating oil of all models. The product has excellent load resistance and extreme pressure and anti-wear performance and is suitable for heavy-duty mechanical lubrication and extreme pressure anti-wear; and the product has a smart self-repairing function for scratches and wear of the surface of a friction part. When the surface modified nano metal oxide anti-wear self-repairing material is used for an engine, oil can be saved by15% or more, the engine noise is reduced by 15%, the material has functions of anti-wear and noise reduction and particularly can greatly reduce wear during cold start of an automobile and better protect the engine from cold wear; the oil change period is prolonged by one time or more (engine oil is replaced each time the automobile travels over 10000 to 15000 km), the catalytic oxidation of the lubricating oil through metal ions under high temperature is prevented, and the service life of the lubricating oil is prolonged.

The invention relates to the technical field of motors, in particular to a high-efficiency rotor for motors. The high-efficiency rotor for a motor includes a rotating shaft, a bearing, a bearing fixing ring and a magnet. The invention relates to a high-efficiency rotor for a motor. One end of the rotating shaft is fixed with a pulley and the other end is fixed with a magnet ring. The magnet is sealed in the rotor iron core by injection molding plastic, so that the structure of the rotor is more stable and the structure of the motor rotor is obtained. Higher quality and safety stability. In addition, the rotor structure of the novel motor is reasonable in design, easy to use and install, stable, and suitable for popularization and use.

The invention relates to a locally-reinforced composite dot-matrix sandwich panel and a preparation method thereof, belonging to the technical field of composite preparation and aiming at solving the problems that the existing automatically-molded composite dot-matrix sandwich panel has low integral shearing strength because the internal structures thereof are combined in an adhering way. The sandwich panel comprises pyramid dot-matrix cores, reinforcing parts, an upper composite panel and a lower composite panel. The preparation method of the sandwich panel comprises the following steps: clearing the molding surfaces of molds, and applying mold releasing agent to the molding surfaces of the molds; laying and filling impregnated resin fiber bundles in the groove of the female mold along the direction of the groove in succession, and assembling the female mold and the male mold; preparing unidirectional fiber dot-matrix structure monomers; mutually meshing the unidirectional fiber dot-matrix structure monomers in a crossing way, and reinforcing the unidirectional fiber dot-matrix structure monomers with the reinforcing parts; and adhering the reinforcing parts arranged on the upper end and the lower end of the pyramid dot-matrix cores to both the upper composite panel and the lower composite panel, thereby obtaining the composite dot-matrix sandwich panel.

The invention provides a manufacturing method of a diamond-shaped bamboo and wood composite floor. A raw material is prepared by hot-pressing compounding of pure-natural bamboo wood materials, a panel (or a bottom board) adopts a heavy carbonized board or a carbonized side-pressing bamboo board, and a blank board is in an arrangement structure on which thin bamboo curtains (or thin bamboo mats) are compounded with wood pieces alternatively and grains are longitudinally and horizontally staggered, and is 8-layered or 12-layered in total. The modeling characteristics are as follows: a planar diamond is taken as a base unit, the lengths of all edges are from 150mm to 850mm, the corresponding angles are respectively 60 degrees and 120 degrees, tenons or tenon grooves are arranged on the side surfaces of the four edges, the whole surface layer is coated by moistureproof and wear-resistant paint, large-area and rich patterns are combined, not only the stressing is even and the deformation is less, but also the texture is soft.

The invention discloses a preparation method of a high temperature-resistant and high-insulation sealing glass. The preparation method has the advantages that silicon dioxide is used as a skeleton structure; by adding BaO (barium oxide) as a generating body of glass, the melting temperature of the glass is lowered, the heat expansion coefficient of the glass is adjusted, and the fluidity of the glass is improved; by adding Al2O3 (aluminum oxide), an AlPO4 (aluminium phosphate) unit can be formed in the glass, and a straight chain is changed into a network structure, so that the structure of the glass is stable, and the chemical stability is improved; by adding ZrO2 (zirconium dioxide), the chemical stability of the glass is favorably improved; by replacing one part of BaO by other divalent metal oxides, such as CaO (calcium oxide), the melting temperature of the glass is lowered, the expansion coefficient of the glass is adjusted, and the chemical stability of the glass is improved; by adding TiO2 (titanium dioxide), the glass has high and low dielectric constants, and the electric insulation property of the glass is improved; by adding As2O5 (diarsenic pentoxide) into the formation of the glass structure, the separating from the network skeleton of the glass is avoided; the sealing temperature of the sealing glass is 1000 to 1050 DEG C, and the heat expansion coefficient is 70 to 100*10<-7>/DEG C; after sealing, the high temperature and high pressure resistant properties are good, and the insulation property is excellent.

The invention discloses an anticoagulation coating material and a preparation method thereof. The anticoagulation coating material comprises sodium hyaluronate and hirudin, wherein the sodium hyaluronate is formed into a gel network; the hirudin is in covalent binding with the sodium hyaluronate. The preparation method of the anticoagulation coating material comprises the following steps: (1) preparing an MES (Fatty Acid Methyl Ester Sulfonate) buffer solution; (2) preparing a sodium hyaluronate solution with the concentration of 1mg/ml to 20mg/ml; (3) preparing a hirudin solution with the concentration of 1mg/ml to 10mg/ml; (4) uniformly mixing up the two solutions so as to enable the mass ratio of the hirudin to the sodium hyaluronate to be 1:1 to 1:10; (5) adding a crosslinking agent into the mixture solution obtained in the step (4), uniformly mixing up so as to covalently crosslink the hirudin and the sodium hyaluronate. The anticoagulation coating material disclosed by the invention is high in anticoagulation activity, stable in effect, long in lasting time, good in biocompatibility, simple in preparation method, gentle in condition and applicable to large-scale industrial production.