36results about How to "Asymmetrical" patented technology

The invention discloses an electronic modular system, which comprises a plurality of electronic modular blocks and a plurality of conducting wire components, wherein each of the electronic modular blocks comprises a circuit board and at least one socket; the socket is arranged on an edge of the circuit board; the socket comprises an insulating part and at least two terminals which are arranged in the insulating part; the insulating part is provided with a fool-proofing slot; the quantity of the at least two terminals is two, three or four; each of the terminals is used as a data terminal, a power supply terminal or a grounded terminal; and the data terminals, power supply terminals or / and grounded terminals of the sockets, the quantity of which is as same as the quantity of the terminals, on all the electronic modular blocks are arranged according to a consistent sequence.

The invention provides a cluster group calling key distribution method based on an asymmetric encryption system. The method includes the following steps that first, a group public key and a group private key are distributed to each cluster group; second, when a terminal initiates registration, the group private key of the cluster group which the terminal belongs to is acquired from an HLR; third, when the terminal initiates a cluster group encryption call, a cluster group calling key application message is sent to a key management center; fourth, the key management center generates a cluster group calling key, and the cluster group calling key is encrypted through the group public key of the cluster group which the terminal belongs to and then sent to all terminals in the cluster groups; fifth, the cluster group calling key is recovered after being decrypted by the terminal through the group private key belonging to the cluster group. The asymmetric group protection key is adopted for the method and does not need to be preset in terminal equipment, and thus the confidentiality is higher.

The invention relates to a preparation method of a Janus particle containing silicon dioxide with controllable particle size and asymmetrical degree. The preparation method comprises the following steps of adding silicon dioxide modified by a coupling agent, a first monomer, a hydrophilic monomer, a cross-linking agent, an emulsifying agent and deionized water into a reaction device; starting to stir; carrying out reflux condensation; leading nitrogen; warming to 50 to 80 DEG C; adding an initiating agent; polymerizing for 2.0 to 6.0h to obtain a seed emulsion; adding deionized water into the seed emulsion; starting to stir after ultrasonic dispersion; carrying out reflux condensation; leading nitrogen; adding a second monomer, and swelling for 10min to 60min at the room temperature; warming to 50 to 80 DEG C; adding an initiating agent; polymerizing for 1.0 to 5.0h; centrifugal separating and vacuum drying the emulsion to obtain the Janus particle containing the silicon dioxide. Compared with the prior art, according to the method provided by the invention, the technological process is simple, the particle size and the asymmetrical degree can be controlled, and the Janus particle is high in yield and easy for mass production.

An active matrix display device includes a pair of substrates, an optical modulation layer lying between the substrates, a plurality of pixel electrodes on one of the substrates, switching elements for driving the respective pixel electrodes provided in the vicinity of the pixel electrodes, and a reflective or transflective reflecting layer formed on at least one substrate more distant from a viewer side. The reflecting layer has asymmetrical reflection properties.

The invention relates to a preparation method for a cross-linked sodium hyaluronate gel with an asymmetric structure. The method comprises the steps: adopting a sodium hyaluronate solution containing a cross-linking agent as a starting material, adding a precious small amount of the cross-linking agent, under conditions of constant temperature and constant humidity, carrying out gradient concentration dehydration, then dialyzing the cross-linked sodium hyaluronate gel in a buffer solution, dialyzing until the gel is no longer expanded, and finally, granulating to obtain the cross-linked sodium hyaluronate gel with the asymmetric structure. The cross-linked sodium hyaluronate obtained by the preparation method provided by the invention has the gradient asymmetric structure in microcosmic scale and shows the characteristics of dense exterior and loose interior; the structure ensures that the cross-linked sodium hyaluronate gel can effectively buffer attacking action of sodium hyaluronate enzymes, the survival time in bodies is greatly extended, and at the same time, excellent biological safety is also showed with precious small addition amount of the cross-linking agent.

The invention discloses an adjustable and controllable dye laser based on light fluid. The adjustable and controllable dye laser comprises a pumping light source, a work medium and a resonant cavity, wherein a circular conical surface external reflector and the resonant cavity are sequentially arranged in an optical axis direction of an emergent light beam of the pumping light source, the resonant cavity is a transparent column body, in addition, a first optical reflector, a dye molecule suspension liquid region, a first liquid lens, a second liquid lens, a gas cavity and a second optical reflector are sequentially arranged in a cavity body of the resonant cavity in the optical axis direction, the dye molecule suspension liquid region is used as a work medium, a first electrode and a second electrode used for regulating and controlling the first liquid lens and the second liquid lens are arranged on the outer surface of the resonant cavity, and a first circular conical surface internal reflector and a second circular conical surface internal reflector are also arranged in a way of using an optical axis as a center symmetric axis. The adjustable and controllable dye laser based on light fluid has the advantages that the output laser mode is controllable, the light beam quality is good, the flexibility is high, and the like.

The invention refers to a transmitting method for SCSI interface net data isolation and switch, and the device. It includes a single-blade double-fling electronic switch which is isolates the net oneand the net two, the high-speed data interface which connects the net one with data isolating switch, a high-speed interface which connects the net two with the data isolating switch, the data bufferarea which stores and transfers the data of the net one or the net two, the core control machine which sends the control order to the data isolating switch, the data buffer area can transmits data with the net one and the net two, the two data interfaces are SCSI interface and applies to SCSI-2 or SCSI-3 criterion.

The invention discloses a boron-containing organic electroluminescent compound and an application thereof on organic electroluminescent devices, and belongs to the technical field of semiconductors. The boron-containing organic electroluminescent compound has a structure shown in a general formula (1). The invention also discloses an application of the boron-containing organic electroluminescent compound on organic electroluminescent devices. When the compound is used as a luminescent layer material of an organic electroluminescent device, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved; and meanwhile, the service life of the device is obviously prolonged.

The invention discloses a spirofluorene pyridine palladium nanoparticles and a preparation method thereof. The method is as below: adding a certain amount of metal salt solution into the organic ligand containing pyridine units, stirring for 1-3 h at a certain temperature, aging for 3-5 h, conducting centrifugal separation, washing and drying to obtain corresponding metal-ligand nanoparticles. The preparation process is simple, low in cost and suitable for mass production; and by using different solvents, controlling the amount of reactants, reaction time and temperature, the method achieves effective regulation on particle size and dispersion of spirofluorene pyridine palladium nanoparticles. The prepared spirofluorene pyridine palladium nanoparticles are functionalized nanoparticles containing palladium, have stable performance, can be used for the catalysis of C-C bond coupling reaction, and have high catalytic efficiency and yield reaching 90-99%. Therefore, the spirofluorene pyridine palladium nanoparticles have broad application prospects in the field of catalysis.

The invention relates to a method for forming a laser beam, wherein a first laser beam (211) having a first transverse intensity distribution is directed onto a beam forming element (215) and the first laser beam is converted to a second laser beam (216) having a second transverse intensity distribution by means of the beam forming element. According to the invention, the second intensity distribution has a preferred direction perpendicular to the optical axis of the second laser beam and the beam forming element is operated in such a manner that the preferred direction rotates about the optical axis. The beam forming element can be an optical element which rotates about the optical axis of the first laser beam by virtue of a mechanical movement. Preferably, the beam forming element is configured by a dynamic system which, when actuated accordingly and while avoiding any mechanical rotation, allows to produce virtually any beam width of the second laser beam having any intensity distribution. The invention also relates to a laser processing method which is characterized by using the method for forming a laser beam for the laser processing of material.

The invention discloses an adjustable-oil-temperature three-dimensional rib pipe oil cooler which comprises a shell. A liquid inlet header is arranged at the upper portion of the shell, and a liquid outlet header is arranged at the lower portion of the shell. The adjustable-oil-temperature three-dimensional rib pipe oil cooler is characterized in that multiple heat transfer pipes are connected between the liquid inlet header and the liquid outlet header and are three-dimensional rib pipes, and the three-dimensional rib pipes are outer three-dimensional rib pipes or inner three-dimensional rib pipes or inner and outer three-dimensional rib pipes; according to the outer three-dimensional rib pipes, multiple three-dimensional protruding units are arranged on the outer surfaces of the three-dimensional rib pipes; according to the inner three-dimensional rib pipes, multiple three-dimensional protruding units are arranged on the inner wall face of the three-dimensional rib pipes; according to the inner and outer three-dimensional rib pipes, multiple three-dimensional protruding units are arranged on the outer surfaces and the inner wall faces of the three-dimensional rib pipes; a partition plate is arranged in each of the liquid inlet header and the liquid outlet header; and a fan is arranged in the shell, an automatic air speed adjusting device is arranged in the fan, a temperature detection device is arranged at the position of an outlet of the liquid outlet header, and the temperature detection device is connected with the automatic air speed adjusting device. The adjustable-oil-temperature three-dimensional rib pipe oil cooler can be widely applied to the fields of energy, chemical engineering, refrigerating and the like.

The invention discloses a hybrid excitation wound rotor and a hybrid excitation wound synchronous motor. The hybrid excitation wound rotor comprises a rotating shaft positioned in the center of the rotor; a rotor core is arranged outside the rotating shaft; a set number of salient poles are arranged on the rotor core; coils are wound on two sides of each salient pole to form a rotor exciting winding; permanent magnets are mounted on the surface of one side, opposite to the rotating direction of the motor rotor, of the geometric center line of each salient pole; and the permanent magnets of thewhole rotor are asymmetrically distributed. According to the hybrid excitation wound rotor, the direct-current excitation torque and the permanent magnet torque can be effectively utilized; the asymmetric design of the permanent magnets not only increases the salient pole ratio of the motor, but also increases the reluctance torque; and the direct-current excitation torque, the permanent magnet torque and the reluctance torque of the motor are superposed at the same or similar current phase angle to improve the electromagnetic torque, so that the torque density, the efficiency, the power factor and other electromagnetic properties of the hybrid excitation wound synchronous motor are improved.

The invention discloses a boron-containing organic electroluminescent material and application thereof in an organic electroluminescent device, the compound comprises boron groups, and the compound has strong group rigidity, and has the characteristics of difficult crystallization between molecules, difficult aggregation and good film-forming property. When the compound is used as a luminescent layer material of the organic electroluminescent device, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved; and meanwhile, the service life of the device is obviously prolonged.

The invention discloses a boron-containing organic electroluminescent material and application thereof in an organic electroluminescent device, the compound comprises boron groups, and the compound has strong group rigidity, and has the characteristics of difficult crystallization between molecules, difficult aggregation and good film-forming property. When the compound is used as a luminescent layer material of the organic electroluminescent device, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved; and meanwhile, the service life of the device is obviously prolonged.

A metal button bending forming die comprises a bending die and a base. The bending die includes a bending upper die and a bending lower die located above the base. A bending apex is disposed at the tail end of the bending upper die and is ellipsoidal. The lower end of the bending upper die is provided with the bending lower die which is provided with a bending groove, and the bending groove is detachably fixed to the upper end face of the bending lower die. If the size appearance and sunken degree of a metal button are modified, only the bending lower die needs to be replaced; the whole die does not need to be replaced, so working efficiency is improved, and button production diversification is also improved. Only the base or a lower die base needs to be moved simply. Since the bending groove is of an asymmetrical structure, the processed metal button is characterized by being asymmetrical and conforms to production of modern popular asymmetrical buttons, a specific die also does not need to be used independently for production, the metal button bending forming die reduces manufacturing cost and is simple to operate and short in production cycle, and the use value is enhanced.

The invention relates to an ultraviolet photodetector based on an MSM structure of a (AlxGa1-x)2O3 material and a preparation method thereof. The preparation method comprises steps: sapphire is selected as a substrate material; (AlxGa1-x)2O3 grows on the surface of the substrate material to form an optical absorption layer; a mask is adopted to form an asymmetric interdigital electrode on the surface of the optical absorption layer, and thus, preparation of the ultraviolet photodetector with the MSM structure is completed. Through the preparation method disclosed in the invention, the ultraviolet photodetector with a high Al component can be obtained, two optical band gaps can be generated, two ultraviolet spectral ranges can be sensed, detection of the same detector on two optical bands is facilitied, and utilization of the ultraviolet photodetector is improved.

The invention provides an aza-benzoxazole or thiazole compound and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectricity. The aza-benzoxazole or thiazole compound provided by the invention has high electron mobility, proper HOMO and LUMO energy levels, relatively high triplet state energy level and high refractive index; meanwhile, molecules have asymmetry, relatively high glass-transition temperature and good thermal stability and film-forming property; and when the aza-benzoxazole or thiazole compound is applied to the organic electroluminescent device, the compound provided by the invention can effectively reduce the driving voltage of the organic electroluminescent device, improve the luminous efficiency of the device and prolong the service life of the device, and has good application effect and industrialization prospect in the organic electroluminescent device.

The invention discloses a method for realizing animal sex control by performing gene editing on X chromosome multi-copy genes. The method comprises the following steps: screening and selecting one ormore multi-copy genes on an X chromosome of a mammal as target sites, and designing and synthesizing corresponding sgRNA; then, constructing a CRISPR / Cas9 expression system of a targeted X chromosomemulti-copy gene to cut the X chromosome in sperms or fertilized eggs of mammals; according to the method, the whole X chromosome can be inactivated, X sperms can be killed, the birth rate of male mammals can be increased, or XY type embryos can be killed, and the birth rate of female mammals can be increased. According to the method provided by the invention, the X chromosome cutting efficiency ishigh, the off-target rate is low, and a good sex control effect is achieved.

The invention discloses a permanent magnet motor rotor, a permanent magnet motor and a processing method of the permanent magnet motor rotor, which relate to the technical field of motors. The permanent magnet motor rotor comprises a rotating shaft, a silicon steel sheet group and a plurality of magnetic shoes. The silicon steel sheet group sleeves the rotating shaft, the plurality of magnetic shoes are fixed outside the silicon steel sheet group at intervals along the circumferential direction of the silicon steel sheet group, two ends of each magnetic shoe in the circumferential direction are respectively and reversely arranged in an inclined manner relative to the axis of the magnetic shoe to form two diagonal planes, and the opposite diagonal planes of two adjacent magnetic shoes are arranged in parallel. Energy loss can be effectively reduced during operation of the permanent magnet motor, the overall production efficiency of the permanent magnet motor can be improved, and the production cost is reduced.

The invention provides an analytical system and an analytical method thereof. The analytical method includes obtaining a first data and performing curve fitting on the first data according to at leastone basis to generate at least one coefficient corresponding to the at least one basis, wherein a function pattern corresponding to one of the at least one basis has asymmetry. The analytical systemand analytical method can improve analysis accuracy and analysis efficiency, and are beneficial to miniaturization.

The invention discloses a method for preparing a one-dimensional magnetic nanowire for biochemical analysis, comprising the following steps: mixing 0.5-1.5 mol / L nickel chloride aqueous solution and ethylene glycol in a volume ratio of 1:8-10 Mixing is component A; sodium hydroxide and ethylene glycol are mixed in a weight ratio of 1-10:96, stirred, and hydrazine monohydrate is added until the concentration of hydrazine monohydrate is 0.05-0.3mol / L, namely as component B; then react component A with component B to form nickel nanowires, and then pass through SiO 2 The one-dimensional magnetic nanowires of the present invention are prepared by coating and amination or carboxylation. Compared with the magnetic microspheres in the prior art, the specific magnetization of the one-dimensional magnetic nanowires of the present invention has an order of magnitude improvement, high magnetic capture and separation efficiency, significantly increased specific surface area, and significantly enhanced detection sensitivity. In addition, it can also Provide multi-target markers and provide basic materials for the development of multi-marker simultaneous detection methods.

The invention provides an organic electroluminescent device containing fluorene derivatives, and relates to the field of organic photoelectric technology. The organic electroluminescent device of the present invention comprises a fluorene derivative, and carbazole / indenocarbazole and its derivative groups are introduced into the fluorene derivative, thereby obtaining a series of compounds with higher glass transition temperature, so it has good thermal stability, and the organic electroluminescent device containing this type of compound also has good stability, so it has the advantage of long service life; at the same time, the compound provided by the invention has better hole mobility , a suitable HOMO energy level, and a higher triplet state energy level are conducive to hole transport and can effectively block the dissipation of excitons, which can significantly improve the luminous efficiency of the device.

The invention relates to an automatic material selector based on a rotating hooking manner. The automatic material selector based on the rotating hooking manner comprises a base, a center rotating shaft, a material barrel, a cross rod support, bearing pedestals, a motor, a gearbox, horizontal hanging rods and material selecting hooks; the bearing pedestal B is installed at the center of the base; a vertical supporting rod is fixedly connected with a bottom plate of the material barrel; the bearing pedestal A is installed at the center of the bottom plate; the cross rod support is fixedly connected with the upper end of the center rotating shaft, and the support is of a cylinder structure; the side face of the support is fixedly connected with the four horizontal hanging rods in a welded manner; under the effect of the pulling force of the horizontal hanging rods, the hooks slide on a workpiece above the bottom plate of the material barrel; and when the hooks meet holes of workpiece window lug stainless steel soldering lugs, the hook penetrate into the holes of the workpiece window lug stainless steel soldering lugs, the plurality of workpiece window lug stainless steel soldering lugs can be arranged on the hooks in a sleeving manner, the material selecting hooks are taken down, and a plurality of workpiece window lugs are taken down and then can be contained into a packaging barrel. According to the automatic material selector based on the rotating hooking manner, manual selection is changed into mechanical selection, and therefore the selecting efficiency is improved, and the window lug stainless steel soldering lugs can be arranged in order in the up-down direction.

The invention relates to a preparation method for a cross-linked sodium hyaluronate gel with an asymmetric structure. The method comprises the steps: adopting a sodium hyaluronate solution containing a cross-linking agent as a starting material, adding a precious small amount of the cross-linking agent, under conditions of constant temperature and constant humidity, carrying out gradient concentration dehydration, then dialyzing the cross-linked sodium hyaluronate gel in a buffer solution, dialyzing until the gel is no longer expanded, and finally, granulating to obtain the cross-linked sodium hyaluronate gel with the asymmetric structure. The cross-linked sodium hyaluronate obtained by the preparation method provided by the invention has the gradient asymmetric structure in microcosmic scale and shows the characteristics of dense exterior and loose interior; the structure ensures that the cross-linked sodium hyaluronate gel can effectively buffer attacking action of sodium hyaluronate enzymes, the survival time in bodies is greatly extended, and at the same time, excellent biological safety is also showed with precious small addition amount of the cross-linking agent.

The invention discloses a preparation method of one-dimensional magnetic nanowires for biochemical analysis. The preparation method comprises the following steps of mixing 0.5mol to 1.5mol nickel chloride aqueous solution with ethylene glycol according to a volume ratio of 1:8-10, namely a component A; mixing sodium hydroxide and the ethylene glycol according to a weight ratio of 1-10:96 in proportion and stirring, adding hydrazine hydrate to hydrazine hydrate, wherein the concentration of hydrazine hydrate is 0.05-0.3 mol / L, namely a component B; and then reacting the component A with the component B to generate a nickel nanowire, carrying out coating and amination or carboxylation on the SiO2 to prepare the one-dimensional magnetic nanowire. Compared with magnetic microspheres in the prior art, the specific magnetization intensity of the one-dimensional magnetic nanowires is improved in order, the magnetic capture separation efficiency is high, the specific surface area is obviouslyincreased, the detection sensitivity is obviously enhanced, in addition, a multi-target marker can be provided, and a basic material for developing a multi-marker simultaneous detection method is provided.