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35results about How to "Conform to structural features" patented technology
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Covered stent for aortic dissection surgery, delivery device and use method thereof
InactiveCN105832447AAvoid punctureFacilitates a tight fitStentsBlood vesselsAortic dissectionLeft subclavian artery
The invention discloses a covered stent for an aortic dissection surgery, a delivery device and a use method thereof. The stent comprises a main body, wherein the main body decreases progressively from the heart near end with a large diameter to a far end with a small diameter, and the superior border of the middle piece of the main body is a rotary island; a tectorial membrane is arranged except the rotary island, and the two ends of the main body and the rotary island are provided with positioning marks. The delivery device comprises a delivery sheathing canal, a suture and a traction guide wire, wherein the suture is sewn on the outer side surface of the covered stent, and the two side edges of the covered stent at the near end of the left subclavian artery are sewn up by the suture; the stent is closed up to be in a semi-contraction state by the traction guide wire through the suture, and the covered stent is closed up and wrapped in the delivery sheathing canal; the delivery sheathing canal is provided with a steeple, and the far end of the traction guide wire penetrates through the handle of the delivery sheathing canal and is fixed. The covered stent for the aortic dissection surgery is used for a dissecting aneurysm surgery of the lesser curvature side of aortic arch and an interventional minimally invasive surgery of an aortic dissection near the brachiocephalic trunk, so that the trauma of a thoracotomy is avoided, and the athe lumen crevasse occlusion is directly implemented.
Owner:杨威
Eight human miRNAs
InactiveCN1800388AConform to structural featuresGenetic material ingredientsDigestive systemDiseaseGenetics
Owner:RADIOLOGY INST ACAD OF MILITARY MEDICINE SCI PLA
Composite piezoelectric catalyst as well as preparation method and application thereof
InactiveCN108671914AEasy to prepareSuitable for industrial productionHydrogen productionHydrogen/synthetic gas productionElectricitySound energy
The invention discloses a composite piezoelectric catalyst as well as a preparation method and application thereof in sound catalytic cracking hydrogen production from water. The preparation method comprises the following step: by virtue of an oxygen vacancy defect on the surface of zinc oxide, performing in-situ reduction on the zinc oxide on the surfaces of nano rods to form an elementary substance of gold, thereby obtaining a ZnO-Au composite piezoelectric catalyst, wherein the zinc oxide nanorods with special orientation generate positive and negative charges on the surfaces by enriching sound wave energy in an environment through a piezoelectric effect, then pure water decomposition can be promoted, and hydrogen can be generated; in addition, after the elementary substance of gold isloaded, the hydrogen production capability of the ZnO-Au composite piezoelectric catalyst can be greatly improved, the hydrogen generation velocity of the ZnO-Au composite piezoelectric catalyst undersound wave driving is 4 times that of non-loaded zinc oxide nanorods, limits of a single piezoelectric material as a sound catalyst are broken through, efficient utilization of sound energy is achieved, a novel way is provided for water cracking hydrogen production under the piezoelectric effect, and the composite piezoelectric catalyst has wide application prospects in the field of mechanical energy-hydrogen energy conversion, and is simple in preparation method and applicable to industrial production.
Owner:FUZHOU UNIV
One-dimensional cadmium sulfide nanorod catalyst, and preparation method and application thereof
InactiveCN106044848AConform to structural featuresPiezoelectricMaterial nanotechnologyPhysical/chemical process catalystsSolvent moleculeSound energy
The invention discloses a one-dimensional cadmium sulfide nanorod catalyst, and a preparation method thereof and an application thereof in producing hydrogen through acoustic catalytic cracking of water. The catalyst has a wurtzite crystal structure, and is non-centrosymmetric crystal. The catalyst satisfy the structural condition of piezoelectric crystal. The specially oriented nanorod shape of the catalyst can enrich environmental soundwave energy through piezoelectric effect, such that negative charge is produced on the surface of the nanorods. Therefore, pure water cracking is catalyzed, and hydrogen gas is produced. The preparation method mainly relates to a one-step solvothermal method. Cadmium sulfide growth orientation is regulated with the coordination or chelation effect of crystal seeds and diethylenetriamine solvent molecules, and the one-dimensional nanorod morphology is obtained under appropriate reaction temperature and reaction time conditions. The activity of the obtained cadmium sulfide nanorods for cracking pure water to produce hydrogen under sound driving is substantially higher than those of nano-flake wurtzite-type cadmium sulfide sample, micro-spherical wurtzite-type cadmium sulfide sample, and nanorod wurtzite-type cadmium sulfide samples obtained with a traditional two-step synthesis method. The cadmium sulfide nanorod catalyst provided by the invention has a good application prospect in the field of sound energy-hydrogen energy conversion. The preparation method is simple to operate, and is suitable for industrialized production.
Owner:FUZHOU UNIV
Covered stent for aortic dissection surgery, conveying device and use method
InactiveCN106214287AAvoid punctureEnsure blood supplyStentsBlood vesselsAortic dissectionArcus aortae
The invention discloses a covered stent for aortic dissection surgery, a conveying device and a use method. The stent comprises a body which is a covered stent body. The stent is a conical stent with the diameter gradually reduced from the cardiac proximal portion to the thoracic aorta distal portion. An exposed portion is arranged on the lower portion of the body of the stent and is not covered. Three balloon dilatation stents are connected to the upper edge of the middle of the body. A protective gasket made from polytetrafluoroethylene is arranged at the near end of the body. The three balloon dilatation stents are provided with three catheters respectively. Each catheter is about 2 m long. The conveying device comprises a conveying sheath, the body of the stent is compressed in the conveying sheath, and the three balloon dilatation stents on the middle section of the body are compressed in the conveying sheath. A conveying sheath system is provided with an apex, and notches are formed in the tip end of the conveying sheath system for the body of the stent and guide wires and the catheters of the three balloon dilatation stents. The invention provides the covered stent for aortic dissection surgery. The stent is used for minimally invasive surgery treatment of Stanford A type aortic dissection with a wound among three branch vessels on the arcus aortae, avoids injuries caused by thoracotomy, and can be directly used for intra-cardiac wound occlusion.
Owner:杨威
Application of cadmium sulfide two-dimensional nano-sheet in hydrogen and oxygen production by acoustic wave assisted photolysis of water
InactiveCN108455658AConform to structural featuresPiezoelectricPhysical/chemical process catalystsCadmium sulfidesChemistryWurtzite crystal structure
The invention discloses an application of a cadmium sulfide two-dimensional nano-sheet in hydrogen and oxygen production by acoustic wave assisted photolysis of water, wherein the two-dimensional cadmium sulfide nano-sheet is a wurtzite crystal structure and belongs to non-central symmetric crystal. The specially oriented nano-sheet can accumulate acoustic energy in the environment through piezoelectric effect. An electric field is generated on the surface of the nanometer. The electric field can promote the separation of photo-generated carriers, and promote the photocatalytic decomposition of pure water to generate hydrogen and oxygen. The cadmium sulfide nano-sheet can decompose water into hydrogen and oxygen under the co-action of solar energy and acoustic energy without adding a terminator, has wide application prospect in the field of hydrogen energy. The preparation method has simple operations and is suitable for industrial production.
Owner:FUZHOU UNIVERSITY
In-situ 3D printing curved surface layering and path planning method
ActiveCN112140552AExcellent adhesionCompletely closedAdditive manufacturing apparatusManufacturing data aquisition/processing3d printTissue architecture
The invention discloses an in-situ 3D printing curved surface layering and path planning method. The method takes a three-dimensional point cloud as input and takes a curved surface layering result and a three-dimensional printing path as output, provides a complex skin soft tissue defect depth calculation method based on the three-dimensional point cloud, then discriminates a tissue layer of a defect part according to a defect depth value, and performs curved surface layering and in-situ printing path planning on different tissue layers, and a three-dimensional printing path is generated, sothat printing materials containing different cells are formed on the corresponding tissue layers, a multi-layer tissue structure similar to an original main skin soft tissue structure is formed on a skin soft tissue defect wound surface through in-situ 3D printing, and the shape and the structure of the tissue defect wound surface after in-situ 3D printing repair are basically consistent with those before defect.
Owner:XI AN JIAOTONG UNIV
High durability diazoresin photosensitizer synthesis method
InactiveCN101625527ASimple process conditionsEasy to operatePhotosensitive materials for photomechanical apparatusAlcoholPhotosensitizer
The invention discloses a high durability diazoresin photosensitizer synthesis method, comprising the following steps: first adding zinc chloride slowly in diphenylamine diazonium salt VRT water solution, obtaining complex salt through suction filtering and drying; then dripping the concentrated sulfuric acid solution dissolved with paraformaldehyde slowly in the concentrated sulfuric acid solution dissolved with complex salt to react for 2-5h while controlling the temperature to -5 to 15 DEG C, obtaining a dark adhesive liquid, namely diazoresin photosensitizer; finally adding the diazoresin photosensitizer in industrial alcohol, stirring and washing, and obtaining the product, namely pure diazoresin photosensitizer though suction filtering; the diazoresin sensitive glue can be prepared by using the diazoresin photosensitizer prepared in the invention while adding different proportions of additives such as polyving alcohol, colorant and the like. After detection, the print resolution is 93%, and the print-resistant time can be up to 30 thousands, which is higher than that of the same type on the market.
Owner:合肥安大天辐新材料有限公司
Super-hydrophobic filter screen and preparation method thereof
ActiveCN111569530AExcellent superhydrophobic propertiesHigh temperature resistantNitrogen compoundsMembrane filtersBoron nitrideBoron oxide
The invention discloses a super-hydrophobic filter screen and a preparation method thereof. The super-hydrophobic filter screen comprises a metal screen, wherein a plurality of boron nitride nanotubesgrow on the surface of the metal screen; the roots of the boron nitride nanotubes are perpendicular to the surface of the metal screen; the diameters of the roots of the boron nitride nanotubes is larger than the diameters of the tops of the boron nitride nanotubes; and the parts, close to the tops, of the boron nitride nanotubes are conical, and the other parts of the boron nitride nanotubes arecylindrical. The method comprises the following steps: mixing boron oxide powder and magnesium powder according to a molar ratio of (1: 1.5)-(1: 2.5), placing the obtained mixture in a container, placing a metal net at the central position of the upper part of the container, and placing the container in a tubular atmosphere protection annealing furnace; and introducing inert protective atmosphereinto a furnace tube of the tubular atmosphere protection annealing furnace; and when the temperature rises to 300-500 DEG C, stopping introducing argon, introducing high-purity ammonia gas, continuing heating to 1200-1300 DEG C, keeping the temperature for 2-12 hours, then stopping introducing the high-purity ammonia gas, introducing inert protective atmosphere, and carrying out natural cooling to room temperature to obtain the high-temperature-resistant corrosion-resistant super-hydrophobic filter screen.
Owner:ROCKET FORCE UNIV OF ENG
Directed network link prediction method based on linear programming
InactiveCN112183820AConform to structural featuresUniversalForecastingCharacter and pattern recognitionComplex networkPrediction methods
The invention belongs to the technical field of complex network link prediction, and particularly relates to a directed network link prediction method based on linear programming, which comprises thefollowing steps of: firstly, introducing adjustable parameters, distinguishing influence weights of three types of neighbors, and then taking the contribution degree of the influence weights to the formation of connected edges as an unknown quantity; an optimization function is established through structural analysis of the directed network, a linear programming problem about a contribution degreematrix is constructed, an optimal solution of the contribution degree matrix is solved, and finally a link prediction index is constructed in combination with the optimal solution and used for directed network link prediction. According to the invention, the specific local structure of the directed network is considered, the influence of three types of neighbor nodes on the connection edge formation is distinguished by using adjustable parameters, and the optimal contribution matrix of the neighbor nodes is solved by using a linear programming method, so that compared with the traditional method, the method is more consistent with network structure characteristics, and the result is more universal; and the method has robust prediction performance in various types of networks.
Owner:PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
Collagen with triple-helix structure and preparation method thereof
PendingCN113667009AOvercoming triple helix structureOvercoming the problem of not having a special triple helix structureConnective tissue peptidesPeptide preparation methodsSucroseGlycerol
The invention discloses collagen with a triple-helix structure and a preparation method thereof. The preparation method comprises the following steps: dissolving collagen prepared by using a fermentation method in purified water, adding a mixed solution of cane sugar, dimethyl sulfoxide, glycerol, monopotassium phosphate and calcium chloride, carrying out uniform mixing, rapidly cooling the mixed solution from normal temperature to -20 DEG C by adopting a temperature program within 5 min, maintaining the mixed solution at -20 DEG C for 1 hour, then slowly heating the mixed solution to 10 DEG C by adopting a linear temperature increasing program in a period of 2 hours, keeping the mixed solution at 10 DEG C for 1 hour so as to obtain a solution of the collagen with the triple-helix structure, removing cane sugar, monopotassium phosphate and calcium chloride via washing with purified water, and carrying out spray drying or freeze drying to prepare the collagen with the triple helix structure. According to the method, the problems of animal-derived virus, nucleic acid pollution, heavy metal pollution, microbial pollution and the like in the prior art are overcome. The collagen with the triple helix structure can be used as a pure and safe biological medicine material.
Owner:尚诚怡美(成都)生物科技有限公司
Telescopic laryngeal support
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
A software class importance measurement method based on class multilayer network
ActiveCN109445843AImprove code maintenance efficiencyConform to structural featuresReverse engineeringSoftwareCode maintenance
The invention discloses a software class importance measurement method based on a class multi-layer network, comprising the following steps of abstracting the source code of a Java software into a class multi-layer network at a class granularity; calculating a weighted h-index of a class node in each layer of a class multilayer network; weighting the weighted h-exponent of each class in each layerby a statistical average method (expert scoring method), and then fusing the weighted h-exponent of each class in each layer into a global weighted h-exponent by linear weighting, and using the global weighted h-exponent of nodes as a measure of class importance. The present method basically ignores the multi-layer nature of the class granularity network, and the present invention makes up for the deficiency of the prior method, and introduces the class multi-layer network into the measurement of class importance for the first time, which is of great significance for more accurate understanding of the software structure and improving the efficiency of code maintenance.
Owner:ZHEJIANG GONGSHANG UNIVERSITY
Anti-snore dental pad
InactiveCN104414782AConform to structural featuresSimple structureSnoring preventionHuman bodyDentistry
The invention discloses an anti-snore dental pad. The dental pad is made of flexible non-toxic silicon rubber, and integrally comprises an occlusal pad, a windshield plate and a breather pipe, wherein the occlusal pad is arc-shaped; the arc is approximately the same as the shape of a human gum; the cross section of the occlusal pad is rectangular; the upper part of the inner side of the occlusal pad is provided with an arc-shaped groove; the upper part of the occlusal pad is provided with the windshield plate; the upper end of the windshield plate is provided with the conical breather pipe; the upper end of the breather pipe is small and the lower end of the breather pipe is big; the cross section of the breather pipe is elliptical; an air hole is formed in the breather pipe and is communicated with the occlusal pad and the windshield plate. The anti-snore dental pad has the beneficial effects of capability of conforming to the structural characteristic of a human body, simple structure, convenience and comfort in use, capability of opening a sleep respiration channel by using a physical method, good anti-snore effect, no influence on free movement of a tongue in an oral cavity, no influence on swallowing of saliva, small foreign body sensation, difficulty in falling, no use risk and easiness in storage.
Owner:赵安
Multilayered table lamp base provided with devices of three-dimensional ornament and lamp
InactiveCN108506784AStable structureReduce manufacturing costLighting support devicesElectric circuit arrangementsEngineeringControl switch
The invention provides a multilayered table lamp base provided with devices of a three-dimensional ornament and a lamp, wherein a three-dimensional ornament layer capable of being assembled and disassembled is arranged on the base of the table lamp, the three-dimensional ornament is arranged in the three-dimensional ornament layer, and functions of a small night light or an atmospheric lamp, a soundbox, a timer and a fragrance lamp are increased. The technical scheme is as follows: a transparent material layer, an upper annular side frame and an upper back cover material layer form a relatively closed hollow upper box body; the three-dimensional ornament and the lamp are arranged in an upper box body, a magnetic control switch is arranged in a lower box body, the magnetic control switch isconnected to a control circuit of the table lamp, and the devices such as the soundbox, the time, the fragrance lamp and the like are arranged in the upper box body or the transparent material layer.
Owner:张清华
A method for generating microstructure model of porous media based on random fractal
ActiveCN108734751BConform to structural featuresIncrease randomnessTexturing/coloringPorous mediumEngineering
The invention provides a method for generating a mesoscopic structure model of a porous medium based on random fractals, which can simulate the distribution of the mesoscopic structure inside the porous medium. The pore generation is simulated by programming language, and the pore model can be standardized. For the complex and uncertain shapes of the pore boundary in the porous medium, the simulation mode of the Linton-Ile system is used to simulate, and the equivalent transformation of the string sequence is carried out. The string sequence is converted into boundary evolution rules as the basis for boundary generation. At the same time, based on the iterative method of fractal geometry, combined with the random distribution probability to simulate the generation of pore structure, a diverse and complex mesostructure model of porous media is obtained. The simulation effect of the invention is good, it can effectively reveal the mesoscopic structure characteristics inside the porous medium, and can be widely used in software model establishment and three-dimensional reconstruction.
Owner:SUN YAT SEN UNIV
A method for surface layering and path planning for in-situ 3D printing
ActiveCN112140552BExcellent adhesionCompletely closedAdditive manufacturing apparatusManufacturing data aquisition/processing3d printTissue architecture
The invention discloses an in-situ 3D printing curved surface layering and path planning method, which uses three-dimensional point clouds as input, surface layering results and three-dimensional printing paths as output, and proposes a method for calculating the depth of complex skin and soft tissue defects based on three-dimensional point clouds , and then distinguish the tissue layer of the defect site according to the defect depth value, and perform surface layering and in-situ printing path planning for different tissue layers, and generate a 3D printing path so that printing materials containing different cells can be formed on the corresponding tissue In situ 3D printing forms a multi-layer tissue structure similar to the original main skin and soft tissue structure on the skin and soft tissue defect wound, and the shape and structure of the tissue defect wound after in situ 3D printing repair are basically the same as those before the defect.
Owner:XI AN JIAOTONG UNIV
Table lamp base provided with devices such as three-dimensional ornament and lamp
InactiveCN108506785AMeet functional requirementsConform to structural featuresLighting support devicesElectric circuit arrangementsEngineeringControl switch
The invention provides a table lamp base. A three-dimensional decorating layer is detachably arranged on the table lamp base. Three-dimensional decorating articles are arranged in the three-dimensional decorating layer. Functions of a small night lamp or an atmosphere lamp, a timer, an electric fan, a fragrance lamp, a pen container, a mobile phone support and the like are added. According to theadopted technical scheme, a lower transparent material layer, a lower ring-shaped border and a lower bottom sealing material layer form a lower layer box, an upper transparent material layer, an upperring-shaped border and an upper bottom sealing material layer form an upper layer box, the three-dimensional decorating article, the lamp and an electromagnetic control switch are arranged in the lower layer box and the upper layer box, and the timer, the electric fan, the fragrance lamp, the pen container, the mobile phone support and the like are arranged on the lower transparent material layerand the upper transparent material layer.
Owner:张清华
Tea table type floor lamp table board with three-dimensional ornament and lamp
InactiveCN108426216AMeet functional requirementsConform to structural featuresLighting support devicesElectric circuit arrangementsEngineering
The invention provides a tea table type floor lamp table board. A detachable three-dimensional ornament layer is arranged on the floor lamp table board and is internally provided with a three-dimensional ornament, and the floor lamp table board is also provided with functions of a night lamp or an atmosphere lamp, a timer, an electric fan, a fragrance lamp, a pen container and a mobile phone support and the like. The tea table type floor lamp table board is characterized in that a lower box is formed by a lower transparent material layer, a lower annular frame and a lower sealing material layer, an upper box is formed by an upper transparent material layer, an upper annular frame and an upper sealing material layer, the three-dimensional ornament, the lamp and a magnetic switch are arranged in the lower box and the upper box, and the timer, the electric fan, the fragrance lamp, the pen container and the mobile phone support and the like are arranged on the upper transparent material layer and the lower transparent material layer.
Owner:张清华
A telescopic throat support
InactiveCN105055070BConform to structural featuresSimple structureSnoring preventionThroatTongue root
The invention discloses a telescopic laryngeal support capable of being used for preventing snoring caused by tongue root glossoptosis in a sleep. When the telescopic laryngeal support is in use, an upper supporting plate at the upper end is used for jacking the jaw, a lower pressing plate at the lower end is used for jacking the laryngeal prominence so that the laryngeal prominence cannot move upwards, and snoring caused by tongue root glossoptosis is prevented. The positions and direction of the portions, making contact with the jaw and the laryngeal prominence, of the upper and lower ends of the telescopic laryngeal support can be rotationally adjusted as needed, and the overall length can be automatically changed in a telescopic mode, so that the requirements of different patients are met by adjusting the positions and directions of the upper supporting plate and the lower pressing plate and changing the overall length in the telescopic mode. The telescopic laryngeal support is always supported between the laryngeal prominence and the jaw no matter how the jaw swings up and down. The telescopic laryngeal support has the advantages of being simple in structure, convenient and effective to use and suitable for different crowds, opening a sleep respiration channel from exterior with a physical method, being good in snoring preventing effect, not affecting free movement of the tongue in the oral cavity and being safe to use and easy to carry and store.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
Laryngeal support bracket
InactiveCN104840293AConform to structural featuresSimple structureSnoring preventionLaryngeal partEngineering
The invention relates to a laryngeal support bracket. The laryngeal support bracket is a device capable of effectively preventing snores. The laryngeal support bracket is formed by a bracket body, an upper fixing belt and a lower fixing belt; a large groove is manufactured in the upper end of the bracket body, a small groove is manufactured in the lower end of the bracket body, and a concave arc face for containing proud flesh is manufactured on the right lateral face of the bracket body; the connecting position of the concave arc face and the small groove is manufactured into a conic boss used for being abutted against a pit of the throat; a through hole is manufactured in the upper portion of the left side of the bracket body, and the upper fixing belt used for fixing the bracket body is installed in the through hole; and a through hole is also manufactured in the lower portion of the left side of the bracket body, and the lower fixing belt used for fixing the bracket body is installed in the through hole. The laryngeal support bracket has the beneficial effects that the laryngeal support bracket is in accordance with the architectural feature of the human body, and is simple in structure and convenient and effective to use; a sleep respiration channel is opened with a physical method; the snore preventing and stopping effect is good; free movement of the tongue in the oral cavity is not influenced; dropping is not prone to occurrence; using risks are avoided; and the laryngeal support bracket is easy to carry and store.
Owner:赵菁
Multipurpose portable ladder with arc-shaped tread supports
The invention relates to a multipurpose portable ladder with arc-shaped tread supports, and belongs to the field of articles for daily use. The multipurpose portable ladder comprises the arc-shaped tread supports. The arc-shaped tread supports are arranged on a left handle type upright support and a right handle type upright support, a rectangular flexible flame-retardant and abrasion-resistant material face plate can be detached from the left handle type upright support and the right handle type upright support or can be mounted on the left handle type upright support and the right handle type upright support, and hang components are arranged at two edges of the rectangular flexible flame-retardant and abrasion-resistant material face plate. According to the scheme, the multipurpose portable ladder with the arc-shaped tread supports has the advantages that the multipurpose portable ladder is stable, is quite convenient to carry and has multiple functions, and resources can be saved.
Owner:张广舜
A composite piezoelectric catalyst and its preparation and application
InactiveCN108671914BEasy to prepareSuitable for industrial productionHydrogen productionHydrogen/synthetic gas productionElectro catalystPtru catalyst
Owner:FUZHOU UNIV
Electric connector
PendingCN114389071ASmall sizeMaintain electrical connectionSoldered/welded conductive connectionsCoupling contact membersElectrical connectionEngineering
The invention relates to an electric connector which is used for welding a cable. The electric connector comprises an insulating body, a plurality of terminals and a shell. The terminals are arranged along the transverse direction and are arranged on the insulation body. Each terminal is provided with a butt joint section, a connection section and a welding section. The shell is assembled on the insulation body to form an interface used for being in butt joint with another electric connector. The butt joint section is adjacent to the interface, the welding section is far away from the interface, and the cable is transversely welded to the welding section of at least one terminal.
Owner:ACON ADVANCED CONNECTEK SHENZHEN
Base of desk type photo frame with devices such as three-dimensional ornament and lamp and the like
InactiveCN108433465AMeet functional requirementsConform to structural featuresMechanical apparatusDomestic lightingControl switchMobile phone
The invention provides a three-dimensional ornamental layer which can be dismantled and arranged on a base of a desk type photo frame. Three-dimensional ornaments are arranged in the three-dimensionalornamental layer, and functions of using as a small night lamp or an atmosphere lamp, a timer, a fan, a fragrance lamp, a pen container, a mobile phone supporting frame and the like are added. The three-dimensional ornamental layer is characterized in that a lower layer box body is formed by a lower transparent material layer, a lower circular frame and a lower bottom sealing material layer, an upper layer box body is formed by an upper transparent material layer, an upper circular frame and an upper bottom sealing material layer, three-dimensional ornaments, lamps and a magnetic control switch are arranged in the lower and upper layer box bodies, and devices such as the timer, the fan, the fragrance lamp, the pen container and the mobile phone supporting frame and the like are arranged on the lower and upper transparent layers.
Owner:张清华
Micro ribonucleic acid (RNA), and use of precursor and antisense nucleic acid thereof in regulation of catalase activity
ActiveCN102363779BConform to structural featuresReduced activityVector-based foreign material introductionDNA/RNA fragmentationNucleotideAntisense nucleic acid
The invention provides a micro ribonucleic acid (RNA), and the use of a precursor and an antisense nucleic acid thereof in the regulation of catalase activity. The micro RNA provided by the invention comprises nucleotide or a bioactivity functional segment thereof or a variant thereof with the following sequence: 5'-AGGCAAGAUGUUGGCAUAGCUGA-3'. Experiments show that through expressing the micro RNA or the precursor thereof, the catalase activity can be reduced, and through using the antisense nucleic acid of the micro RNA to inhibit the expression of the micro RNA or the precursor thereof, the catalase activity can be increased.
Owner:INST OF ZOOLOGY CHINESE ACAD OF SCI
A Software Class Importance Measurement Method Based on Class Multilayer Networks
The invention discloses a software class importance measurement method based on a class multi-layer network, which comprises the following steps: abstracting the source code of Java software into a class multi-layer network at class granularity; calculating the class nodes in each layer of the class multi-layer network The weighted h index of each class; use the statistical average method (expert scoring method) to assign weights to the weighted h index of each class in each layer, and then fuse the weighted h index of each class in each layer into a global weight by linear weighting The h index, and the global weighted h index of the node is used as a measure of the importance of the class. Existing methods basically ignore the multi-layered class granularity network. The present invention makes up for the shortcomings of the existing methods. For the first time, the class-like multi-layer network is introduced into the measure of class importance, which is helpful for understanding software structure more accurately and improving code maintenance. efficiency is of great significance.
Owner:ZHEJIANG GONGSHANG UNIVERSITY
Process for decalcifying and extracting collagen from turtle carapace by utilizing ultrasonic assistance
ActiveCN112574293AReduce churnConforms to UV absorption characteristicsConnective tissue peptidesPeptide preparation methodsAnimal scienceFreeze-drying
The invention discloses a process for decalcifying and extracting collagen from turtle carapace by utilizing ultrasonic assistance, wherein the process comprises the steps: mixing a clean turtle carapace sample with hydrochloric acid according to a solid-liquid ratio of 1:(10-50), and decalcifying for 15-120 minutes in an environment with the temperature of 15-38 DEG C and the ultrasonic power of50-250 W; and after the decalcification is finished, centrifugally collecting supernatant, and freeze-drying to obtain the carapace collagen. The research on the physicochemical properties of the obtained carapace collagen proves that the collagen migration rate of the carapace collagen extracted by the process is low, the decalcification rate is high, a basis is provided for the research on the further extraction of the collagen from the carapace of the Chinese soft shell turtle, and an important scientific basis is provided for aquatic product processing by-products and comprehensive utilization thereof.
Owner:ZHEJIANG WANLI UNIV
A kind of ultra-hydrophobic filter net and preparation method thereof
ActiveCN111569530BExcellent superhydrophobic propertiesHigh temperature resistantNitrogen compoundsMembrane filtersPhysical chemistryEngineering
Owner:ROCKET FORCE UNIV OF ENG
Pile foundation embedding auxiliary vertical device for bridge and using method
PendingCN113789780AEasy to adjust tilt angleMaintain vertical balanceBulkheads/pilesArchitectural engineeringStructural engineering
The invention discloses a pile foundation embedding auxiliary vertical device for a bridge and a using method. The pile foundation embedding auxiliary vertical device comprises a base plate, a filling hole is formed in the base plate, a fixing mechanism is detachably connected with the top of the base plate, and the fixing mechanism is used for fixing a filling hopper; at least two first connecting plates are detachably connected with the bottom of the base plate, air cylinders are fixedly connected to the first connecting plates, output shafts are arranged on the air cylinders, the extending directions of the output shafts are away from the base plate, and the output shafts are perpendicular to the base plate; and when the filling hopper is fixed by the fixing mechanism, the filling hopper and the filling hole are coaxial. The inclination angle of a pile foundation can be conveniently adjusted, the pile foundation can keep vertical balance, the structure is simple, and adjustment is convenient.
Owner:中国葛洲坝集团第三工程有限公司
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