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51results about How to "Control orientation" patented technology
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Multi-degree-of-freedom 3D printer of fiber reinforced composite material and printing method thereof
The invention discloses a multi-degree-of-freedom 3D printer of a fiber reinforced composite material and a printing method thereof. The 3D printing can be performed with any angle and any movement locus by making use of the flexibility of a manipulator; and a 3D printing head mounted on the multi-degree-of-freedom 3D printer can perform the 3D printing of a high-strength short fiber reinforced composite material, and can perform the splicing and the weaving of continuous resin-based long fiber to produce a structural body of a continuous fiber reinforced resin-based composite material. The multi-degree-of-freedom 3D printer can precisely control the orientation of reinforced fiber in a composite material part in the 3D printing process, and can realize the quick production of the composite material part with specific mechanical, electric and thermal performances and a complex structure. Meanwhile, a mold customized beforehand and a pretreated fiber prepreg tape are not needed in the process; and the multi-degree-of-freedom 3D printer is not only suitable for the production of large parts, but also suitable for the large-batch production of small parts, so that the production cost and the production period are largely reduced, and the wide application of the composite material parts is further promoted.
Owner:XI AN JIAOTONG UNIV
Degradable and absorbable polymer nano fibrous membrane materials and preparation process and use thereof
InactiveCN1837274AGood uniformityHigh porositySurgeryFilament/thread formingFilm materialDecomposition
The invention discloses a biological decomposable polymer nanometer fiber film material and preparing method and usage, which is characterized by the following: the material is made of several nanometer to several hundred nanometer fiber diameter nonwoven material, wherein the hyaluronic acid is more than 0 less than or equal to 100; other macromolecular material quantiy is more than 0 less than 100; the quantity of remedy medicine is 0-10 part. The invention possesses well biological compatity, biological decomposition and absorption property, which is applied in the medical tissue engineering rack material.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Device for balance and body orientation support
Device for balance and body orientation support configured to control the body position of individuals with sensory-motor disability that prevents them from normal standing and walking, that comprises a top frame (6) linked to a bottom frame (15) by telescopic rods (8, 9), wherein the bottom frame (15) comprises wheels and the top frame (6) is linked by means of suspension elements to a lumbar belt, thus being the stiffness of the device configured to be regulated according to the disability level of the individual, and thus providing reduction of the loading of legs by partial support of the body weight; hence allow therapy of the walking in neurorehabilitation, but also exercise after surgical interventions. The device can be adjusted to fit the size of the potential individual with the simple tools.
Owner:法特尼克基金会
Blended self-assembly membrane based micro ampere immunity sensor and preparation thereof
InactiveCN1908665AReduce volumeHigh sensitivitySolid-state devicesMaterial electrochemical variablesInsulation layerAmpere
The micro-amp immunity sensor based on mixed self-assembly film comprises: a silicon substrate, a SiO2 and Si3N4 insulation layer, and the concentric circular gold film electrode, SU-8 photoresist ring sensitive film pond, a ring Pt-film counter electrode / reference electrode, a Su-8 photoresist ring reaction pond, and a bio-molecular sensitive film fixed on the electrode. With nano technology and mixed self-assembly film, this invention has well consistence, correlativity and compatibility with IC, and shows a new path for immunity analysis and detection.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI
Direct control method for titanium-aluminum-niobium alloy lamellar structure
InactiveCN102672150AControl orientationPolycrystalline material growthFrom frozen solutionsBeta phaseSuperalloy
The invention discloses a direct control method for a titanium-aluminum-niobium alloy lamellar structure, and belongs to the technical field of control research of high-temperature alloy structures. The method is a control method for a titanium-aluminum alloy structure based on a full peritectic transformation process. By applying a directional solidification technology, the alloy is controlled to be subjected to full peritectic reaction by changing solidification conditions (temperature gradient G and drawing speed V), so that primary beta phase dendritic crystals are fully dissolved in a solidification process, and adverse effects which may be probably caused by the beta phase to the alloy structure are eliminated; and thus, the aim of controlling the direction of the lamellar structure is fulfilled. The method can be realized only in a normal Bridgman directional solidification system, so that the defects of complex preparation process and non-uniform components and performance in a seed crystal method are overcome; the method is a new method for directly controlling the orientation of titanium-aluminum-niobium alloy directionally solidified lamellas through a non-seed crystal method, and has great significance to improving the performance of the titanium-aluminum alloy; and the industrial application of the directionally solidified titanium-aluminum alloy is promoted.
Owner:UNIV OF SCI & TECH BEIJING
Underwater self-cleaning superoleophobic mineralized fibrous film and preparation method thereof
InactiveCN102758262AOvercome the disadvantage of being easy to wearStable oleophobic propertiesFilament/thread formingNon-woven fabricsFiberComposite film
The invention belongs to the field of self-cleaning organic / inorganic composite films, and particularly relates to an underwater self-cleaning superoleophobic mineralized fibrous film with a non-woven fabric structure and a preparation method of the underwater self-cleaning superoleophobic mineralized fibrous film. The underwater self-cleaning superoleophobic mineralized fibrous film with the non-woven fabric structure is produced by the following steps: a polymer fibrous film with the non-woven fabric structure and containing a mineralizing regulator is obtained by an electrostatic spinning method; the fiber surface of the polymer fibrous film is controllably mineralized by a biomineralization method so as to obtain the organic / inorganic composite underwater self-cleaning superoleophobic mineralized fibrous film with good stability. In air, the invasion of the film surface is hydrophilic; in water, the invasion of the surface is superoleophobic; and in water, the contact angle of the film surface to oil is more than 150 degrees.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Array antenna and radio communication apparatus using the same
InactiveCN1658432AIncrease temperatureHigh dielectric constantResonant long antennasSubstation equipmentWaveform distortionDielectric permittivity
In the array antenna provided with the variable phase shifter P, the variable phase shifter P has a transmission line or a circulator, a variable capacitance capacitor Ct is connected to a ground side of the transmission line or a ground side terminal of the circulator, in the variable capacitance capacitor Ct, a plurality of variable capacitive elements C1 to C5 employing thin film dielectric layers whose dielectric constant varies with the applied voltage are connected in parallel, in terms of DC, and in series in terms of high frequencies between the input terminal and the output terminal. Thus, an array antenna is realized, whose directivity can be controlled adaptively and which is provided with the stable variable phase shifter having little waveform distortion and intermodulation distortion, superior withstanding power, and with low loss even at high frequencies.
Owner:KYOCERA CORP
Chemical vapor deposition equipment and deposition method
InactiveCN1696340AControl orientationTemperature controlChemical vapor deposition coatingFiberGas phase
A chemical vapor deposition apparatus for growing film or material (such as carbon nanofibres) on metal layer or catalyst is disclosed. A HF magnetic field acts on the metallic layer in the non-metal reaction chamber to generate eddy effect. The substrate containing metallic layer on a non-metal plate is heated to a controlled temp while the intensity, frequency and acting time of a magnetic field are controlled for growing film at defined position. The polarity of the magnetic field is controlled for directional growing.
Owner:SOUTHEAST UNIV
Novel instrument for measuring gradient of steel column
InactiveCN104613938AEasy to carryControl orientationAngle measurementIncline measurementLaser transmitterData acquisition
The invention relates to a novel instrument for measuring the gradient of a steel column. The instrument comprises a laser emitter, a plumb bob, a basic length scale, a telescopic length scale, a basic angle scale, a telescopic angle scale and a fixed angle scale; the instrument is characterized in that both the laser emitter and the plumb bob are mounted at an end part of the telescopic length scale; the other end of the telescopic length scale is integrally inserted into the basic length scale; one end of the basic length scale is fixed with one end of the basic angle scale; the fixed angle scale is mounted at an included angle between the basic length scale and the basic angle scale; one end of the telescopic angle scale is integrally inserted into the basic angle scale. The invention provides the instrument for measuring the mounting gradient of the inclined steel column, overcomes deficiencies of a conventional process in aspects of personnel operation and data acquisition, and improves the mounting efficiency of the special-shaped steel column; the instrument is scientific, reasonable, and simple, convenient and quick to implement.
Owner:CHINA CONSTR THIRD ENG BUREAU INSTALLATION ENG CO LTD
Manipulator robot and associated control for fine positioning of the terminal end
InactiveCN102046336ADirectional controlControl orientationProgramme-controlled manipulatorMechanical apparatusEngineeringManipulator
The invention relates to a robot that has an articulated arm for moving an end in an N-dimensional space comprising at least N+1 motorized articulations, and a computer for controlling the movements of said motorized articulations. Said computer controls a first step of prepositioning the terminal end of the articulated arm and a second step for its fine positioning.
Owner:LE HAVRE UNIV
Unmanned aerial vehicle-mounted VR video acquisition and transmission device based on 5G network
InactiveCN112714281AAchieve real-time shootingControl orientationTelevision system detailsColor television detailsVideo encodingUncrewed vehicle
The invention relates to the technical field of streaming media transmission and wireless communication, in particular to an unmanned aerial vehicle-mounted VR video acquisition and transmission device based on a 5G network, which comprises: a camera module for shooting a VR video in real time; an encoder which is used for receiving and encoding the VR video; a 5G module which is used for wireless communication; a server which is used for caching and decoding; and a user side which is used for VR glasses pull stream playing or computer display playing. The camera module, the encoder, the 5G module, the server and the user side are connected in sequence. According to the invention, the binocular camera shoots the VR video in real time, transmits the VR video to the encoding module for encoding, pushes the VR video to the cloud server, and the user side pulls the VR video from the cloud server and uses VR glasses or a display screen to watch the VR video.
Owner:SOUTHWEST JIAOTONG UNIV
Handle assembly for a vacuum cleaner
ActiveUS20170071432A1Closely arrangedBig angleSuction hosesSuction handlesMechanical engineeringVacuum cleaner
A handle assembly for a vacuum cleaner that includes a handle attached to a duct assembly. The duct assembly includes a first duct and a second duct, and the first duct pivots relative to the second duct about a pivot axis. The first duct and the second duct each have an arcuate section that arcs about the pivot axis. Pivoting the first duct relative to the second duct then causes the arcuate section of one of the ducts to move in and out of the arcuate section of the other of the ducts.
Owner:DYSON TECH LTD
Self-adjustable dust-proof device for construction site
InactiveCN111456528ARealize towardsAchieve control orientationUsing liquid separation agentSpraying apparatusSpray nozzleElectrically conductive
The invention discloses a self-adjustable dust-proof device for a construction site. The device comprises a dust removal enclosure body, wherein a working cavity is arranged in the dust removal enclosure body, the upper side inner wall of the working cavity is rotatably connected with a first transmission shaft extending upward to the outside, the first transmission shaft is provided with a wind force detection assembly, and the working cavity is internally provided with a dust removal assembly. The device adopts the wind force detection assembly, control over the distance of rightward movement of a conductive sliding block can be realized according to the wind speed and the wind direction, thereby controlling magnetic force of an electromagnet, a friction wheel and an adjustment frictionwheel are adopted, through the magnetic force of the electromagnet, the friction wheel and the adjustment friction wheel are controlled to be frictionally connected at different radius positions, finally, orientation of an atomization spray nozzle is controlled through a toothed sliding block, a first gear, and a support pipe, and the problem that water mist is blown outside a building enclosure when wind is strong due to an elevation angle of the atomization spray nozzle.
Owner:LONGYOU KAYI ENVIRONMENTAL PROTECTION TECH CO LTD
Method for guiding cell behaviors, based on gold nanowire array
ActiveCN107541488ASimple and fast operationImprove controllabilityVacuum evaporation coatingSputtering coatingCell adhesionAdhesion process
The invention discloses a method for guiding cell behaviors, based on a gold nanowire array. The method comprises the following steps: a, preparing a substrate; b, depositing a gold film; c, preparinga sample module; d, preparing a two-dimensional gold nanowire array structure; e, preparing a three-dimensional gold nanowire array structure; f, culturing human mesenchymal stem cells; g, guiding the cells through a gold nanowire array. The gold nanowire prepared through the method is simple in topological surface operation and high in controllability, and can accurately control the cross angleof nanowire arrays, thereby providing a universal and stable method for realizing the effective guidance of behaviors, such as cell adhesion, orientation and extension.
Owner:YANCHENG TEACHERS UNIV
Electrostatic loudspeakers
ActiveCN101395957AEasy to manufactureControl orientationElectrostatic transducer loudspeakersPublic address systemElectricity
An electrostatic loudspeaker comprises a multi-layer panel (1) incorporating an electrically insulating middle layer (2) sandwiched between first and second electrically conducting outer layers (3, 4). A signal generator is provided for applying an alternating electrical voltage across the outer layers (3, 4) to initiate vibration due to variation of the electrostatic forces acting between the layers, thereby serving as a loudspeaker. Furthermore at least one of the outer layers (3, 4) is permeable to air displaced by such vibration. Such a loudspeaker can serve as a low cost audio loudspeaker which can be made lightweight and flexible or large-area so as to render it suitable for a wide range of applications, for example to provide sound reproduction in a home environment without requiring any bulky enclosure, public-address systems, or in a notebook computer or mobile telephone.
Owner:WARWICK AUDIO TECH LTD
A multi-degree-of-freedom 3D printer for fiber-reinforced composite materials and its printing method
ActiveCN104097326BControl orientationReduce manufacturing costFiber-reinforced compositeResin-Based Composite
A fiber-reinforced composite multi-degree-of-freedom 3D printer and its printing method utilizes the flexibility of the manipulator to perform 3D printing at any angle and any motion trajectory. The 3D printing head installed on it can perform high-strength short-term The 3D printing of fiber-reinforced composite materials can also carry out splicing and weaving of continuous resin-based long fibers, thereby producing a continuous fiber-reinforced resin-based composite material structure. The orientation of the fibers in the middle can realize the rapid manufacture of composite parts with complex structures with specific mechanical, electrical and thermal properties; at the same time, there is no need for pre-customized molds and pre-treated fiber prepreg tapes in this process, not only for large parts It is also suitable for the mass production of small parts, which greatly reduces the manufacturing cost and production cycle, and further promotes the wide application of composite parts.
Owner:XI AN JIAOTONG UNIV
Disc brake device suitable for new energy vehicles
InactiveCN111609063AEnhanced thermal attenuation performanceImprove convenienceBraking element arrangementsNon-rotating vibration suppressionPhysicsDisc brake
The invention relates to the technical field of new energy vehicles, in particular to a disc brake device suitable for new energy vehicles. The disc brake device suitable for the new energy vehicles comprises a cooling mechanism and a fuel injection pipe. A vehicle frame is installed on one side of the cooling mechanism, and a disc frame is installed on the upper part of the vehicle frame. An auxiliary friction plate is arranged in the disc frame, and a main friction plate is arranged on one side of the auxiliary friction plate; a groove is formed in the outer wall of the main friction plate,a fixed disc is arranged on one side of the main friction plate, and shock pads are arranged on the upper side and the lower side of inside of the fixed disc. According to the disc brake device suitable for the new energy vehicles, the cooling mechanism is arranged, an adjusting hydraulic cylinder can effectively push a sleeve to rotate along the outside of a connecting pin, a spraying pipe is adjusted to a proper angle, the spraying pipe sprays water flow out through a nozzle, the water flow can effectively provide efficient cooling treatment for the vehicle frame, and the resistance to thermal attenuation performance of the vehicle frame is effectively enhanced.
Owner:SHANDONG TRANSPORT VOCATIONAL COLLEGE
Device for transporting hollow bodies
InactiveCN102947206AControl orientationConveyorsControl devices for conveyorsElectrically conductiveCam
The invention relates to a device for transporting hollow bodies, which comprises: - at least one means for grasping a hollow body, said means comprising at least one cam follower (30A) made of an electrically conductive material; - at least one fixed cam (32) which is intended to engage with the cam follower (30A), the cam (32) being made of an electrically conductive material; - a contact layer (34) which is made of an electrically insulating material and is interposed between the cam (32) and the cam follower (30A); characterized in that the cam follower (30A) is connected to a first electrical signal (P1) whereas the cam (32) is connected to a second electrical signal (P2), a member (36) being positioned so as to detect electrical contact between the cam follower (30A) and the cam (32).
Owner:SIDEL PARTICIPATIONS SAS
Liquid crystal device and electronic apparatus
InactiveCN1828379AControl orientationImprove viewing angle characteristicsStatic indicating devicesFiling appliancesDielectric anisotropyElectron
A liquid crystal device includes a first substrate that has an inner surface on which a pixel electrode is formed; a second substrate that has an inner surface on which a counter electrode constituting a pixel is formed opposite to the pixel electrode; and a liquid crystal layer that is held between the first substrate and the second substrate and has negative dielectric anisotropy. In addition, an alignment control unit for controlling the alignment of the liquid crystal molecules is formed in an area including the center of the pixel electrode on either the first substrate or the second substrate; and the pixel electrode has an approximately polygonal shape, and slits extending from an outer periphery toward the center are formed at corner portions of the pixel electrode.
Owner:JAPAN DISPLAY INC
High-spinnability nylon composition and method for preparing nylon fiber
InactiveCN106398190AImprove spinnabilityImprove heat resistanceMelt spinning methodsArtifical filament manufacturePolymer scienceCopper
The invention provides a high-spinnability nylon composition and a method for preparing nylon fibers. The nylon composition comprises 95 to 100 parts of nylon, 0.01 to 0.1 part of copper compound and 0.1 to 0.5 part of 2-mercaptobenzimidazole. During spinning by using the composition provided by the invention, the spinning temperature can reach 270 to 290DEG C, the spinning temperature is higher, thereby the problems that filament bundles are sharply cooled and solidified and high-molecular orientation cannot be smoothly performed during preparation of fibers with greater filament number are avoided, the drawing speed during spinning can reach 500 to 650m / min, thereby the spinning efficiency and the strength of the obtained nylon fibers are improved, the filament number of the nylon fibers obtained by the invention is 20 to 40d, the strength is 7.5 to 8.0g / d, the elongation is 20 to 25 percent and the performance is excellent.
Owner:JIANGSU HAIYANG CHEM FIBERS
Foldable bed
InactiveCN107072411AEasy to handleAllows for modularityKids bedsBedstandsClassical mechanicsStructural engineering
A foldable bed (50) comprises: - a frame (505) that can be folded according to at least one axis comprising a foldable rod (510), - at least two legs (515), each leg being attached to the frame by a link (520), said link allowing said leg to be positioned in a deployed position and in a folded position and - the foldable rod being associated with each link to either side of the folding axis, in which: - each link comprises an opening (525) that passes through said link, and - each leg comprises an attachment (530) to a flexible wire (535) linking two legs and passing through the folding axis of the frame, the wire being tensioned when the rod is unfolded, the tension of the wire moving the legs to be positioned in the deployed position.
Owner:N 布伦
A large area liquid crystal region alignment method based on mask exposure method and system thereof
InactiveCN109164684AEasy to operateControl orientationPhotomechanical exposure apparatusPhotosensitive material processingOut of planeMicrostructure
The invention discloses a large-area out-of-plane liquid crystal region alignment method and a system thereof based on a mask exposure method. The method uses a mask exposure system to construct a polymer microstructure. The polymer microstructure can be composed of different regions, each region has a characteristic size in the order of tens of microns, and the liquid crystal orientation in the region is uniform. The overall size of polymer microstructure can be from tens of square microns to square decimeters, which can meet the requirements of large-area processing, and the processing rangeand structure design of substrate surface can be adjusted at will. The alignment method and the system of the invention are simple in operation, do not need to form an alignment inducing film on thesubstrate in a mechanical or light-induced manner, can realize the self-alignment of the liquid crystal in a micron-scale region, the alignment direction can be controlled in a micro-region, are favorable for the miniaturization of the liquid crystal device and the three-dimensional liquid crystal structure alignment, and can be widely popularized and applied.
Owner:NANKAI UNIV
Method for preparing textured high-toughness blocky material
The invention discloses a method for preparing a textured high-toughness blocky material. According to the method, a compound process combing quenching melt spinning process with a pressure solid phase sintering process is adopted, melt-spinning is conducted on high-vacuum single-roller spinning equipment, a polished alloy material is inserted into a quartz tube of an induction coil of the equipment, a vacuum pump is started for vacuumizing, current of the induction coil is switched on, after a solid material is inductively melted into the liquid state, an argon valve is opened, high-purity argon is injected into the quartz tube, the liquid material is injected into water-cooled copper roller, and a textured thin strip is obtained; and the intact thin strip is selected and sequentially stacked in a graphite die, a graphite female die body and the strip are partitioned through graphite paper, the two ends are sealed with graphite gaskets and graphite pressure heads, the graphite die where the thin strip is stacked is put into a sintering furnace to be sintered, and the compact textured high-toughness blocky material which is capable of effectively controlling the grain and the oriented texturing is obtained.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Sound mechanism and sound system
InactiveCN108271098AReduce the impactDoes not limit stereo sound effectsMicrophonesSignal processingHuman earSounds device
The invention provides a sound mechanism and a sound system, and relates to the technical field of electronic equipment. The sound mechanism comprises an image acquisition unit, a control unit, a movement unit and a sound device; the image acquisition unit is used for obtaining a character image; the image acquisition unit is also used for obtaining the azimuth information of human ears accordingto the character image, and transmitting the azimuth information to the control unit; the control unit is used for transmitting a movement instruction to the movement unit according to the azimuth information; and the movement unit is used for controlling the aperture of the loudspeaker of the sound device to be towards the position, where the human ears are, according to the movement instruction.The technical problems that relatively high sound can interfere and influence persons all around, devices, such as an earphone, are inconvenient to use, sound has the boundedness due to devices, suchas the earphone and headset, and the stereophonic effect is limited in the prior art can be solved.
Owner:GLOBAL MEDIA IND GRP CO LTD +1
Method for prolonging life of aluminum alloy preparation die
The invention provides a method for prolonging the life of an aluminum alloy preparation die. According to the method, the aluminum alloy is Zr-containing aluminum alloy, the element Zr is added in the smelting and casting process in combination with an induction furnace which is adopted before extrusion to heat a cast rod of the Zr-containing aluminum alloy to the temperature of 500-540 DEG C atthe heating rate of 80-120 DEG C / min, therefore, a stable crystal structure can be formed, extrusion force can be lowered on the premise of guaranteeing extrusion quality, then extrusion capacity is increased, die cracks are reduced, and higher economic benefit is obtained. Through the method, the problem that in the prior art, the die is prone to cracking in the process of preparing the Zr-containing aluminum alloy is solved.
Owner:佛山市三水凤铝铝业有限公司 +1
Method for controlling transverse crystal orientation of metal monocrystal
The invention relates to the preparation technology of metal single crystal, in particular to a method for controlling the transverse crystal orientation of metal single crystal. In the single crystal furnace, a crystal selector and a crystal riser are provided, and the crystal selection method is used to grow single crystal castings; wherein: the crystal riser adopts a rectangular or quasi-rectangular cross-section with a pair of long, relatively parallel opposite sides , so as to introduce an additional directional transverse thermal field to control the transverse crystal orientation of the single crystal during the crystal growth process, use the conventional investment casting method to shape, pour liquid metal, and grow single crystal in the single crystal furnace. The invention can control the lateral crystal orientation of single crystal by introducing an additional directional transverse thermal field in the process of crystal growth and combining the characteristics of preferred orientation of crystal growth.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Preparation method of copper hydroxide nanobelt oriented film
InactiveCN110002488AControl orientationSolve the problem of single choiceMaterial nanotechnologyCopper oxides/halidesPolyethylene glycolDissolution
The invention discloses a preparation method of a copper hydroxide nanobelt oriented film. The method comprises the following steps: uniformly mixing 0.002-0.008 mol of cuprous nitrate trihydrate and5-15 mL of polyethylene glycol, performing dissolution, adding 1-5 g of sodium hydroxide particles, and performing a reaction for 2-10 h under stirring to form a blue suspension; performing washing for a plurality times by using distilled water and absolute ethanol to remove impurities, and performing dissolution in a high-purity ethanol solution to obtain a copper hydroxide precipitate; and injecting precursor solutions with different concentrations of 1-10 mol / mL into an aqueous solution at a speed of 100-1000 [mu]L / min to form an oriented film, transferring the oriented film onto a substrate, and performing drying in a vacuum drying oven at 40-60 DEG C. According to the preparation method provided by the invention, the copper hydroxide nanobelt oriented film prepared by the method has auniform surface, uniform arrangement of nanobelts and a higher orientation degree, and opens up novel possibilities for preparation methods of organic, inorganic and organic-inorganic hybrid orientedfilms.
Owner:FUZHOU UNIV
Degradable and absorbable polymer nano fibrous membrane materials and preparation process and use thereof
InactiveCN100577720CControl shapeControl diameterSurgeryFilament/thread formingAbsorbable polymersPolymer science
The invention discloses a biological decomposable polymer nanometer fiber film material and preparing method and usage, which is characterized by the following: the material is made of several nanometer to several hundred nanometer fiber diameter nonwoven material, wherein the hyaluronic acid is more than 0 less than or equal to 100; other macromolecular material quantiy is more than 0 less than 100; the quantity of remedy medicine is 0-10 part. The invention possesses well biological compatity, biological decomposition and absorption property, which is applied in the medical tissue engineering rack material.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Devices and assemblies for directed transport, microscopy and directed expulsion of tissue grafts or implants
PendingCN114173707AReliable transportationKeep orientation stableEye surgeryIntraocular lensSurgical incisionOperative incision
Owner:TISSUEGUARD GMBH
Device for transporting hollow bodies
InactiveCN102947206BControl orientationConveyorsControl devices for conveyorsConductive materialsContact layer
The invention relates to a conveying device for conveying hollow bodies, said conveying device comprising: - at least one gripping part for gripping a hollow body, comprising at least one cam follower (30A ); - at least one fixed cam (32) for cooperating with the cam follower (30A), the cam (32) being made of electrically conductive material; - the contact layer (34) being made of electrically insulating material and interposed between the cam (32) and the cam follower (30A); characterized in that the cam follower (30A) is connected to the first electrical signal (P1), while the cam (32) is connected to the second electrical signal signal ( P2 ), the detection mechanism ( 36 ) is arranged to detect electrical contact between the cam follower ( 30A) and the cam ( 32 ).
Owner:SIDEL PARTICIPATIONS SAS
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