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41results about How to "Suitable for application needs" patented technology

Wide area file system and implementation method

The invention discloses a wide area file system and an implementation method, and relates to the technical field of file systems. The implementation method for the file system is applicable in a wide area. According to the system, an event-driven module receives an operation request, whether a file exists in a local cache is inquired through a cache management module according to the node number of the requested file, if yes, the file is accessed from the cache, if not, the path name, in a server end database, of the file is inquired according to the node number and through a node management module, then the file and the meta-information of the file are obtained according to the information of the operation request and through an event processing module and are sent to the cache management module, and finally, the cache management module stores the file and the meta-information of the file into the local cache. The wide area file system and the implementation method do not rely on a bottom file system, it is only needed that the bottom file system can be shared, the space management function of the cache is provided, and the resource utilization rate of the system is increased.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI +1

Millimeter-wave high-gain circular polarization horn antenna with loaded single-medium planar lens

The invention relates to a millimeter-wave high-gain circular polarization horn antenna with a loaded single-medium planar lens. The millimeter-wave high-gain circular polarization horn antenna comprises a circular polarization horn antenna body and a single-medium planar lens which is arranged above the top of the circular polarization horn antenna body for covering, wherein the single-medium planar lens comprises a medium substrate and a plurality of array units which are embedded into the medium substrate. The array unit has a structure form in which a circular through hole exists at the center of a square cylinder. Furthermore in the medium substrate, arrangement is performed according to a phase compensation principle algorithm based on a feed source phase center. The circular polarization horn antenna body comprises a rectangular waveguide, a circular waveguide with a chamfering angle, and a horn-shaped circular open waveguide, wherein the rectangular waveguide, the circular waveguide and the horn-shaped circular open waveguide are successively arranged from bottom to top. According to the millimeter-wave high-gain circular polarization horn antenna, the array unit with the circular through hole is used as a basic unit of the single-medium planar antenna; through adjusting the diameter of the circular through hole of each array unit, phase distribution is controlled and aphase compensation function on the electromagnetic wave which is transmitted from the circular polarization horn antenna is realized; and a purpose of improving gain and directionality is realized.
Owner:SHANGHAI RADIO EQUIP RES INST

Large-diameter precise light beam pointing device

The invention discloses a large-diameter precise light beam pointing device which comprises a base plate, a large-diameter reflecting mirror and a driving component, wherein the back side of the large-diameter reflecting mirror is supported on the base plate through a two-freedom-degree bearing; the driving component is mounted on the base plate; the driving end of the driving component is connected with the large-diameter reflecting mirror and can drive the large-diameter reflecting mirror to move in two free freedom degrees. Due to the adoption of the large-diameter precise light beam pointing device, the large-screen image stabilization application requirements can be met, the stabilization precision can be remarkably improved, and the processing and assembling process can be greatly simplified.
Owner:NAT UNIV OF DEFENSE TECH

Wind power generating integrated machine with coil fan blade

The invention provides a wind power generating integrated machine with a coil fan blade, which comprises a vertical shaft fan made of non-magnetic materials. A shaft is arranged between a fan cover at the upper part and a fan seat at the lower part, circular ring-shaped permanent magnets are respectively arranged at the inner sides of the fan cover and the fan seat, the inner side face of each permanent magnet is composed of N poles and S poles which are uniformly distributed in a spaced manner, and circular ring-shaped magnetic-conduction flexible magnets are respectively arranged between the permanent magnets and the fan cover or the fan seat. Fan blade upper and lower rims made of flexible magnetic materials are respectively arranged at the upper and lower ends of the fan blade of the verticals shaft fan, the fan blade upper and lower rims are protruded along the two sides and are parallel to the permanent magnets, and coils are respectively wound in grooves of the fan blade upper and lower rims. The N poles, the fan blade upper rim or the fan blade lower rim, the S poles and the magnetic-conduction flexible magnets can form closed main magnetic circuits with air gaps. When the fan is in rotation, magnetic flux of each coil can be increased or decreased along with the changing of the magnetic flux in each main magnetic circuit, so as to generate AC electromotive force. The wind power generating integrated machine has the beneficial effects of compact structure, small volume, high energy conversion rate, energy saving and environmental protection.
Owner:日照瑞达建设集团有限公司

Double-sided light emitting device for OLED display screen and preparation method

The invention discloses a double-sided light emitting device for an OLED display screen and a preparation method. The device comprises a substrate, an anode layer, an organic light-emitting layer, a cathode layer and a packaging cover, which are sequentially stacked, wherein the anode layer comprises transparent anode layers and non-transparent anode layers, which are arranged in a matrix form; and non-transparent positions and transparent positions, which are arranged in the matrix form and are complementary with the transparent anode layers and the non-transparent anode layers in an aligned manner, are arranged at the inner side of the packaging cover. Compared with an existing scheme of adding two packaging covers after double-sided evaporation, the structure is relatively thin; the process is simple; and a high-precision mask plate is not needed in preparation, so that the double-sided light emitting device has the advantage of low cost.
Owner:BEIJING VISIONOX TECH

Agomelatine sulfate and preparation method thereof

The invention relates to agomelatine sulfate and a preparation method thereof. An unexpected discovery is that the solubility and stability of agomelatine can be improved when agomelatine is prepared into sulfate, and production of appropriate pharmaceutical preparations with agomelatine can be facilitated. In the preparation method, the agomelatine sulfate is prepared via reaction of agomelatine and sulfuric acid. The preparation method specifically comprises the steps of: dissolving agomelatine in an organic solvent, slowly adding concentrated sulfuric acid at normal temperature, precipitating a large amount of solid until the raw material agomelatine disappear according to TLC (thin-Layer chromatography) tracking results, filtering, washing and drying the solution , thereby obtaining the target product.
Owner:FUJIAN COSUNTER PHARMA

Wind generator all-in-one machine

The invention relates to a wind generator all-in-one machine which comprises a vertical shaft fan made of non-conduction magnetic material. The shaft of the vertical shaft fan is arranged on an upper fan cover and a lower fan base. A plurality of permanent magnets are respectively arranged at the inner sides of the fan cover and the fan base, and are uniformly arranged around the fan shaft in the circumferential direction. The pole of the permanent magnet near the fan shaft is opposite to the pole of the permanent away from the fan shaft. The N poles and the S poles of the permanent magnets are respectively wound with coils. The upper end and the lower end of the vertical shaft fan are respectively provided with a vane upper edge and a vane lower edge which are respectively made of soft magnetic material. The shapes of the vane upper edge and the vane lower edge are the same with the shape of the permanent magnet. The N poles of the permanent magnets, the vane upper edge or the vane lower edge, and the S poles of the permanent magnets form a plurality of closed main magnetic circuits with gaps. When the vanes rotates, the magnetic flux of each coil is increased or decreased along with the change of the magnetic conduction in each magnetic circuit, and then the alternating current motive force is generated. The invention has the advantages of compact structure, small volume, high energy conversion rate, energy saving and environment protection.
Owner:日照瑞达建设集团有限公司

Squalene and tea polyphenol composition multivesicular liposome preparation method and base and harm reduction application

InactiveCN103815545AImprove stabilityStrong air permeabilityTobacco smoke filtersChemistryCigarette filter
The invention discloses a squalene and tea polyphenol composition multivesicular liposome preparation method and base and harm reduction application. Multivesicular liposome comprises, by weight, 12-20 parts of hydrogenated phospholipid, 15-20 parts of stabilizer, 10-15 parts of surfactant and the balance of squalene and tea polyphenol composition. The multivesicular liposome is placed in cigarette filter tips made of cellulose acetate fibers during shaping of the cigarette filter tips. When a consumer smokes, smoke passes the multivesicular liposome, the antioxidant in the multivesicular liposome is in sufficient contact with mainstream smoke due to the fact that the multivesicular liposome is large in surface area, the gas-phase free radical can be effectively eliminated, and powerful technical support is provided for solve the problems of smoking and health.
Owner:SOUTH CHINA AGRI UNIV +2

Preparation method of squalene and astaxanthin composition liquid precursor lipidosome and radical reducing and harm reduction application of squalene and astaxanthin composition liquid precursor lipidosome

The invention discloses a preparation method of a squalene and astaxanthin composition liquid precursor lipidosome and radical reducing and harm reduction application of the squalene and astaxanthin composition liquid precursor lipidosome. The liquid precursor lipidosome is prepared by 8-12 parts of phospholipid, 8-15 parts of stabilizer, 8-15 parts of surfactant, 15-30 parts of squalene and astaxanthin composition and balance of water. The liquid precursor lipidosome is placed in a hollow cylinder provided with waterproof dustproof breathable films at two ends, the hollow cylinder is placed in a cigarette filter tip made of cellulose acetate fibers in the molding process of a cigarette filter tip bar, when a consumer smokes a cigarette, smoke passes by the internally arranged liquid precursor lipidosome, and an antioxidant is fully contacted with the mainstream smoke due to the large surface area of the liquid precursor lipidosome, so gas phase radicals in the mainstream smoke can be effectively cleared, and powerful technological support is provided for solving the problem that smoking is bad for health.
Owner:GUANGDONG BRANCH OF CHINA TOBACCO GENERAL +2

Coding method of one kind of low-density parity checking codes for deep space application

The invention discloses a coding method of one kind of low-density parity checking codes for deep space application, and relates to the field of digital communication error control coding. According to the method, a verification matrix is partitioned to obtain a dense and relatively-small matrix, and therefore the implementation complexity of matrix multiplication operation in the coding process is reduced; the complexity of other operation is also low with the help of multiplication operation of a sparse matrix and vectors; and with the help of the above two points, low-complexity coding forthe kind of LDPC codes is achieved. Accordingly, the implementation complexity of coding operation of the kind of LDPC codes can be effectively reduced, and the LDPC codes are very suitable for beingapplied in space communication.
Owner:TIANJIN UNIV

Squalene and beta-carotene composition polycystic lipidosome preparation method and application thereof for decreasing free radical and reducing harm

The invention discloses a squalene and beta-carotene composition polycystic lipidosome preparation method and an application thereof for decreasing free radical and reducing harm. The polycystic lipidsome is prepared by materials including 10-15 parts of phospholipid, 10-20 parts of stabilizers, 8-15 parts of surfactants and the balance of squalene and beta-carotene composition. The polycystic lipidsome is applied to cigarettes, and functions of decreasing the free radical and reducing the harm can be achieved. Since especially the polycystic lipidsome is placed into cigarette filters made of cellulose acetate fibers during forming of cigarette filter rods, when consumers smoke and tobacco smoke passes through the polycystic lipidosome of the built-in filters, the antioxidants are in full contact with the mainstream tobacco smoke due to large surface area of the polycystic lipidosome, the smoke-phase free radical in the mainstream tobacco smoke can be effectively eliminated, and powerful technical support is provided for solving the problems about smoking and health.
Owner:GUANGDONG BRANCH OF CHINA TOBACCO GENERAL +2

Millimeter-wave high-gain circularly polarized horn antenna loaded with a single dielectric plane lens

The invention relates to a millimeter-wave high-gain circular polarization horn antenna with a loaded single-medium planar lens. The millimeter-wave high-gain circular polarization horn antenna comprises a circular polarization horn antenna body and a single-medium planar lens which is arranged above the top of the circular polarization horn antenna body for covering, wherein the single-medium planar lens comprises a medium substrate and a plurality of array units which are embedded into the medium substrate. The array unit has a structure form in which a circular through hole exists at the center of a square cylinder. Furthermore in the medium substrate, arrangement is performed according to a phase compensation principle algorithm based on a feed source phase center. The circular polarization horn antenna body comprises a rectangular waveguide, a circular waveguide with a chamfering angle, and a horn-shaped circular open waveguide, wherein the rectangular waveguide, the circular waveguide and the horn-shaped circular open waveguide are successively arranged from bottom to top. According to the millimeter-wave high-gain circular polarization horn antenna, the array unit with the circular through hole is used as a basic unit of the single-medium planar antenna; through adjusting the diameter of the circular through hole of each array unit, phase distribution is controlled and aphase compensation function on the electromagnetic wave which is transmitted from the circular polarization horn antenna is realized; and a purpose of improving gain and directionality is realized.
Owner:SHANGHAI RADIO EQUIP RES INST

Preparation method and radical reduction and harm reduction application of squalene and tea polyphenol composition liquid proliposome

The invention discloses a preparation method and radical reduction and harm reduction application of squalene and tea polyphenol composition liquid proliposome. The liquid proliposome is prepared from 7-10 parts of hydrogenated phospholipid, 8-12 parts of stabilizer, 10-15 parts of surfactant, 25-45 parts of squalene and tea polyphenol composition and the balance water. The liquid proliposome is filled into a hollow cylinder with waterproof dustproof gas-permeable membranes at two ends, and the hollow cylinder is disposed inside a cigarette filter in the forming process of a cigarette filter rod to obtain the cigarette filter capable of reducing cigarette harm. When a consumer smokes, smoke passes the internally-disposed liquid proliposome, an antioxidant and main stream smoke are in full contact since the liquid proliposome is large in surface area, gas-phase free radicals in the main stream smoke can be effectively eliminated, and strong technical support is provided for solving the problem about smoking and health.
Owner:SOUTH CHINA AGRI UNIV +2

High-glow wire flame-retardant reinforced PBT plastic for printing white characters through laser and preparation method of PBT plastic

InactiveCN110028765AReduce dosageReach the requirement of non-ignition temperature of 850°CEpoxyGlycidyl methacrylate
The invention discloses high-glow wire flame-retardant reinforced PBT plastic for printing white characters through laser and a preparation method of the PBT plastic. The PBT plastic comprises the following components: 21-47% of PBT, 4-10% of PET, 5-12% of melamine cyanurate, 10-13% of brominated epoxy resin, 0.5-3% of sodium antimonate, 2-5% of triphenyl phosphate, 1-3% of ethylene-methyl acrylate copolymer grafted with glycidyl methacrylate, 1-3% of subgroup metal element oxide, 0.3-1% of antioxidant, 0.3-1% of lubricant, and 22-30% glass fiber. Meanwhile, the invention also discloses a preparation method of the high-glow wire flame-retardant reinforced PBT plastic for printing white characters through laser. The PBT plastic disclosed by the invention has the flame retardant property andthe mechanical property at the same time, not only can meet the requirement of a glow wire on a non-ignition temperature of 850 DEG C, but also can meet the requirement for the mechanical property, and the product has the characteristic of laser marking and is suitable for the application requirement of laser printing of white characters.
Owner:GUANGDONG SHUNDE SHUNYAN NEW MATERIALS

Wrist coil system

The invention discloses a wrist coil system which comprises first coils and second coils. The first coils are partial volume coils and the first coils and the second coils are distributed internally and externally. The first coils are radio-frequency signal emitting coils. The second coils are radio-frequency signal receiving coils and located in the first coils. The wrist coil system has the self-emitting function, radio-frequency excitation is only conducted on a wrist region, a shape following structure is adopted, the system is convenient to place in clinic application, image anti-facts are reduced, and abdomen image folds are reduced.
Owner:SHENZHEN UNITED IMAGING HEALTHCARE CO LTD

Preparation of multivesicular liposomes composed of squalene and astaxanthin and its reduction of base and damage

The invention discloses a preparation method of a squalene and astaxanthin composite multivesicular liposome and a radical lowering and harm reducing method thereof. The multivesicular liposome is prepared from 12-18 parts of hydrogenated phospholipid, 10-20 parts of stabilizer, 10-15 parts of surfactant and the balance of squalene and astaxanthin composite. Through microencapsulating the squalene and astaxanthin composite, the defect that the squalene and astaxanthin composite is easily oxidized in the air and loses effectiveness is overcome, and the effect of increasing the stability of a squalene and astaxanthin blending synergy composite is achieved. The multivesicular liposome is built in a cigarette filter tip made of cellulose acetate fiber in the forming process of a cigarette filter tip bar, and 0.5-1.5g of multivesicular liposomes is arranged in each cigarette filter tip, so that a cigarette filter tip capable of lowering the harm of cigarettes is obtained; the surface area of the multivesicular liposome is large, so that anti-oxidant makes full contact with main stream smoke, gas-phase free radical in the main stream smoke can be effectively removed, and powerful technical support is provided for solving the smoking and health problem.
Owner:CHINA TOBACCO GUANGXI IND +2

Coding method for a class of low-density parity-check codes for deep space applications

The invention discloses a coding method of one kind of low-density parity checking codes for deep space application, and relates to the field of digital communication error control coding. According to the method, a verification matrix is partitioned to obtain a dense and relatively-small matrix, and therefore the implementation complexity of matrix multiplication operation in the coding process is reduced; the complexity of other operation is also low with the help of multiplication operation of a sparse matrix and vectors; and with the help of the above two points, low-complexity coding forthe kind of LDPC codes is achieved. Accordingly, the implementation complexity of coding operation of the kind of LDPC codes can be effectively reduced, and the LDPC codes are very suitable for beingapplied in space communication.
Owner:TIANJIN UNIV

A kind of interface expansion method and device of programmable logic controller and frequency converter

The embodiment of the present invention discloses a method and device for extending an interface between a programmable logic controller and a frequency converter. The method includes: establishing an internal high-speed communication between the programmable logic controller and the frequency converter to realize data exchange; The programmable logic controller and the frequency converter are provided with a first mapping storage area and a second mapping storage area; and through the internal high-speed communication, the data of the first and second mapping storage areas are stored in the programmable logic controller. There is interaction between the programmable logic controller and the frequency converter, thereby realizing interface expansion between the programmable logic controller and the frequency converter. The invention realizes the mutual expansion of the interfaces between the programmable logic controller and the frequency converter by connecting the programmable logic controller and the frequency converter with an internal high-speed communication interface and using a mapping method. The invention reduces the information exchange cost between the frequency converter and the programmable logic controller, and improves the speed and reliability of the interaction.
Owner:SHENZHEN YUNLIN ELECTRIC CO LTD

Power supply circuit, battery management system, battery pack and electronic device

The embodiment of the invention provides a power supply circuit, a battery management system, a battery pack and an electronic device. The power supply circuit comprises a current generation module, a first switch module, an energy storage module and a second switch module. The first switch module is electrically connected between the current generation module and the energy storage module, and is configured to enable the current generated by the current generation module to flow to the energy storage module when the first switch module executes conduction. And the second switch module is electrically connected with the energy storage module and is configured as follows: when the second switch module executes conduction, the energy storage module discharges, and the current formed by discharging flows to the external control unit through the second switch module. Based on the scheme, it can be ensured that the external control unit can normally execute the power-off program, meanwhile, the frequent power-off situation can be effectively dealt with, and the application requirement of the battery management system is met.
Owner:DONGGUAN POWERAMP TECH LTD

Process control method for iron discharge and reception of blast furnace

The invention discloses a process control method for iron discharge and reception of a blast furnace. The method is based on three conditions under which the iron discharging data, the corresponding iron receiving data, and the representative values and the average values of components, weights and temperatures of molten iron of the discharging iron and the corresponding receiving iron are recorded. The method of the invention realizes a general modeling operation for the iron discharge and receiving processes of the blast furnace in different production environments and satisfies the demandsof various iron-making enterprises.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD

Wind power generating integrated machine with coil fan blade

The invention provides a wind power generating integrated machine with a coil fan blade, which comprises a vertical shaft fan made of non-magnetic materials. A shaft is arranged between a fan cover at the upper part and a fan seat at the lower part, circular ring-shaped permanent magnets are respectively arranged at the inner sides of the fan cover and the fan seat, the inner side face of each permanent magnet is composed of N poles and S poles which are uniformly distributed in a spaced manner, and circular ring-shaped magnetic-conduction flexible magnets are respectively arranged between the permanent magnets and the fan cover or the fan seat. Fan blade upper and lower rims made of flexible magnetic materials are respectively arranged at the upper and lower ends of the fan blade of the verticals shaft fan, the fan blade upper and lower rims are protruded along the two sides and are parallel to the permanent magnets, and coils are respectively wound in grooves of the fan blade upper and lower rims. The N poles, the fan blade upper rim or the fan blade lower rim, the S poles and the magnetic-conduction flexible magnets can form closed main magnetic circuits with air gaps. When thefan is in rotation, magnetic flux of each coil can be increased or decreased along with the changing of the magnetic flux in each main magnetic circuit, so as to generate AC electromotive force. The wind power generating integrated machine has the beneficial effects of compact structure, small volume, high energy conversion rate, energy saving and environmental protection.
Owner:日照瑞达建设集团有限公司

Preparation method of multivesicular liposomes composed of squalene and tea polyphenols and its application in base reduction and harm reduction

The invention discloses a squalene and tea polyphenol composition multivesicular liposome preparation method and base and harm reduction application. Multivesicular liposome comprises, by weight, 12-20 parts of hydrogenated phospholipid, 15-20 parts of stabilizer, 10-15 parts of surfactant and the balance of squalene and tea polyphenol composition. The multivesicular liposome is placed in cigarette filter tips made of cellulose acetate fibers during shaping of the cigarette filter tips. When a consumer smokes, smoke passes the multivesicular liposome, the antioxidant in the multivesicular liposome is in sufficient contact with mainstream smoke due to the fact that the multivesicular liposome is large in surface area, the gas-phase free radical can be effectively eliminated, and powerful technical support is provided for solve the problems of smoking and health.
Owner:SOUTH CHINA AGRI UNIV +2

Energy storage inverter charging and discharging control circuit and control method thereof

The invention provides an energy storage inverter charging and discharging control circuit and a control method thereof. The control circuit comprises a bidirectional non-isolated DC-DC converter A, acontrol circuit, a bidirectional non-isolated DC-DC converter B, a bidirectional non-isolated DC-DC converter C and a controller. The control circuit has multiple working modes of isolation, non-isolation, wide-range conversion and the like at the same time; the requirements of energy storage charging and discharging application of an energy storage inverter under various different working conditions can be met; various electric energy functions can be achieved through one circuit architecture; good adaptability and practicability are achieved; the application requirements of charging and discharging circuits of different types of energy storage inverters can be met in cooperation with the control method of the control circuit; and very good application prospects and extremely high engineering value are achieved.
Owner:SUZHOU VOCATIONAL UNIV

Permanent-magnet fan blade and wind power generation integrated machine

The invention relates to a permanent-magnet fan blade and wind power generation integrated machine, which comprises a vertical shaft fan made of permanent material. The shaft of the fan is arranged between an upper fan cover and a lower fan base. A ring structure formed by a first soft magnet and a second magnet is respectively arranged on the internal side of the fan cover and the internal side of the fan base. A saw-toothed blade is inward arranged on the fan. The first soft magnet and the second soft magnet protrude outward in the two angle directions of the fan cover and the fan base and are extended upward and downward to break over a magnet circuit. The polarities of the upper end and the lower end of the fan blade of the vertical shaft fan are different. Coils are arranged on the fan blade. An upper edge and a lower edge with the same shape as the saw-toothed blade are respectively arranged at the upper end and the lower end of the fan blade. The vertical shaft fan, the first soft magnet and the second soft magnet can form a closed main magnetic circuit with two small air gaps. When the fan rotates, magnetic flux in the main magnetic circuit is varied, the magnetic flux of each coil is correspondingly increased or reduced and AC electromotive force is produced. The invention has the advantages of compact structure, convenient installation, small volume, strong applicability, energy saving and environmental protection.
Owner:ZHEJIANG UNIV OF TECH

Interface expansion method of programmable logic controller and frequency converter

An embodiment of the invention discloses an interface expansion method of a programmable logic controller and a frequency converter. The method comprises the steps of establishing internal high-speedcommunication between the programmable logic controller and the frequency converter to realize data interaction; arranging a first mapping storage area and a second mapping storage area in the programmable logic controller and the frequency converter respectively; and interacting data of the first and second mapping storage areas between the programmable logic controller and the frequency converter through the internal high-speed communication, so that interface expansion of the programmable logic controller and the frequency converter is realized. According to the interface expansion method,the programmable logic controller and the frequency converter are connected through an internal high-speed communication interface, and the mapping mode is adopted, so that the interface between the programmable logic controller and the frequency converter is expanded. The cost of information interaction between the frequency converter and the programmable logic controller is reduced, and the interaction speed and reliability are improved.
Owner:SHENZHEN YUNLIN ELECTRIC CO LTD
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