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69results about How to "Effective insertion" patented technology

Method for preparing degradable copolyester by trinary reactivity blending

Disclosed is a method of preparing a degradable copolyester by means of ternary reactive blend. The present aliphatic polyester and diol have a reactive blend, then have a melting state transesterification reaction with aromatic polyester to generate degradable fat / aromatic copolyester. The invention has the advantages that the aliphatic polyester is inserted into the aromatic polyester effectively, the molecular weight of the polymer can be improved, and the copolyester is given with the degradation performance. The invention does not use any catalyst during the synthesis, and has the advantages of simple synthesis process, easy reaction operation and cheap and available raw materials. The copolyester either has certain of mechanical property or certain of degradation property.
Owner:NANCHANG UNIV

ZB (zebrafish) transposon system and gene transfer method mediated by same

The invention belongs to the field of animal genetic engineering, and relates to a ZB (zebrafish) transposon system of and a gene transfer method mediated by the ZB transposon system. The ZB transposon system is derived from zebra fish, and comprises two transgenic donor plasmids with terminal repetition sequences and capable of being inserted into a target gene box, and transposase auxiliary plasmids for providing activity of transposition; the transgenic donor plasmids comprise terminal repetition sequences and Msc1 insertion cloning sites at two sides of ZB transposon. The invention further discloses a gene transfer method based on the ZB transposon system, which is characterized that target genes are guided into a receptor genome through the ZB transposon system. The system and the method can be applied to multiple field of biotechnology: (1) the method can be used for effectively inserting the target gene box into a host cell genome, so that the gene transfer efficiency is improved; (2) by combining with the gene trapping technology, the researches on functions of animal genes can be effectively developed; (3) human gene therapy can be realized through mediation.
Owner:SHANGHAI CELL THERAPY GRP CO LTD

Cloth feeding mechanism of embroidery machine

The invention discloses a cloth feeding mechanism of an embroidery machine. The cloth feeding mechanism comprises a front cloth clamping roller set, a rear cloth clamping roller set, a left chain transmission mechanism and a right chain transmission mechanism, wherein the front cloth clamping roller set and the rear cloth clamping roller set are arranged in front of and at back of a machine head respectively; the left chain transmission mechanism and the right chain transmission mechanism are arranged on the left side and the right side of the machine head respectively; the left chain transmission mechanism comprises a first driven chain wheel, a first driving chain wheel and a first chain, the first driving chain wheel is driven by a first motor to rotate, the first motor is fixedly mounted on a vertical plate which is parallel with the first chain and spaced with the first chain by a certain distance, the first driven chain wheel is rotationally mounted on the vertical plate, and the vertical plate is driven by a linear drive device to move horizontally; the right chain transmission mechanism comprises a second driven chain wheel, a second driving chain wheel and a second chain, the second driving chain wheel is driven by a second motor to rotate, the second driven chain wheel is rotationally mounted on a rack of the embroidery machine, and a plurality of insertion needles are mounted on the outside of each chain link of the first chain and the second chain. The cloth feeding mechanism of the embroidery machine guarantees the flatness of cloth between the front cloth clamping roller set and the rear cloth clamping roller set, and the embroidery quality is improved.
Owner:江苏润源控股集团有限公司

Method and apparatus for performing policy based on service chaining in LTE/EPC

InactiveCN105376174ASupport dynamic expansionFlexible LTE/EPC ArchitectureAccounting/billing servicesTelephonic communicationStructure of Management InformationSoftware define network
An objective of the invention is to provide a method and an apparatus for performing a policy based on service chaining in LTE / EPC. Specifically, the PCRF device generates a corresponding service chaining policy in response to a control charging request about to-be-provided user data sent by a corresponding PCEF device, the service chaining policy is sent to the PCEF device based on a service chaining policy install attribute value pair corresponding to the service chaining policy in an extended Gx interface, the PCEF device performs the service chaining policy for the user data. Compared with the prior art, the present invention introduces the service chaining function into the L TE / EPC, such that the existing 3GPP LTE / EPC control plane architecture and policy can support the software defined network (SDN) open flow and service chaining.
Owner:ALCATEL LUCENT SAS

Method for preparing aniline copolymer and intercalation nanocomposite material of inorganic clay by mechanochemical polymerization method

The invention discloses a method for preparing an aniline copolymer and an intercalation nanocomposite material of inorganic clay by a mechanochemical polymerization method. The method comprises the following steps of: (1) placing inorganic clay into a round-bottom flask with a branch port, vacuum-pumping, fully filling with argon, adding a copolymerization monomer, wrapping a tin foil out of the round-bottom flask after magnetically stirring, and stewing out of light under normal temperature, to obtain a blending fluid suspension; (2) grinding the blending fluid suspension, adding an oxidizing agent, covering a mortar with a tunnel in a grinding process, introducing argon into one end of the tunnel, continuously grinding, until to become atropurpureus completely; and (3) washing with water and absolute ethyl alcohol respectively after reaction, and filtrating, vacuum-drying until constant weight, to obtain the intercalation nanocomposite material of inorganic clay. The intercalation nanocomposite material of inorganic clay and polyaniline copolymer in the invention, greatly raises a dissolving performance and mechanical properties, and simultaneously makes the applications of clay wider The preparation method is simple, and an intercalation rate of a copolymer is high.
Owner:ZHEJIANG UNIV

Graphene-modified starch multifunctional composite material and preparation method thereof

InactiveCN108384161AThermo-oxidative degradationInhibition affects the disintegration effectMaltitolPolyethylene glycol
The invention relates to a graphene-modified starch multifunctional composite material and a preparation method thereof, and belongs to the technical field of starch material modification. The graphene-modified starch multifunctional composite material is prepared from the following raw materials of: in parts by weight, 10-80 parts of starch, 0.001-10 parts of graphene, 10-25 parts of plasticizers, 0.5-5 parts of a processing assistant, 80-10 parts of a bio-based polymer material and 0.1-5 parts of functional assistants, wherein the plasticizers are more than one selected from purified water,sodium alginate, ethylenebisformamide, glycerin, propylene glycol, ethylene glycol, polyethylene glycol, sorbitol, maltitol, chitosan, chitin, pentaerythritol, 1,4-butanediol and the like. The graphene-modified starch multifunctional composite material has complete biodegradability, and the invention provides the simple and easy preparation method, so that industrial production is facilitated.
Owner:朱春英 +1

PS transposon system and mediated gene transfer method thereof

The invention discloses a PS transposon system and a mediated gene transfer method thereof, wherein the PS transposon system includes a transgenic donor plasmid capable of being inserted into a target gene cassette and having two terminal repeat sequences and a transposase assisted plasmid providing transposition activity. A target gene is introduced into a receptor genome through the PS transposon system. The gene transfer method based on the PS transposon system can efficiently mediate gene transfer through cell and embryo level verification, and can be applied in many biotechnological fields: 1) the target gene cassette can be inserted into the host genome effectively by using the method provided by the invention, and the efficiency of gene transfer is improved; 2) the study on animal gene functions can be effectively developed by combination of a gene capture technology; and 3) human gene therapy can be medicated to carry out.
Owner:SHANGHAI CELL THERAPY GRP CO LTD

High-stability fabricated wallboard for interior decoration

The invention discloses a high-stability fabricated wallboard for interior decoration, and belongs to the technical field of wallboards. The wallboard comprises two first wallboards and a second wallboard; the two first wallboards are mutually attached together; the two first wallboards are fixedly connected through two tightening mechanisms; the two tightening mechanisms are symmetrically arranged up and down; the second wallboard is hinged to one side faces of the first wallboards; and a positioning mechanism is arranged in the second wallboard. According to the high-stability fabricated wallboard for interior decoration, by arranging the tightening mechanisms and a mounting mechanism, the two first wallboards are pulled to be away from each other, a certain gap exists between the two first wallboards at the moment, and a sliding rail block drives a fastening block to be tightly clamped in a fastening groove, so that the situation that the fixing effect of the first wallboards is affected due to loosening and disengaging of a sliding sleeve is avoided, and the fastening block can be controlled to be disengaged from the fastening groove; the sliding sleeve, check blocks and otherstructures are disassembled, so that parts are stored, and the cost is saved; and meanwhile, the two first wallboards can be disassembled, so that storage, installation and transportation are convenient.
Owner:GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD

Hand-operated wheelchair with cambered small table and pedestal pan and manufacturing method of wheelchair

The invention provides a hand-operated wheelchair with a cambered small table and a pedestal pan and a manufacturing method of the wheelchair. The hand-operated wheelchair comprises a wheelchair, a cambered table, an anti-stink pedestal pan, a pillow, an article holding frame, an infusion bag support and an oxygen cylinder fixing band; the hand-operated wheelchair is characterized in that the anti-stink pedestal pan is arranged on the seat of the hand-operated wheelchair, an excrement receiving bag sleeves the lower opening of the pedestal pan, the cambered table is arranged on the front face of the upper part of the seat, a metal hinge is arranged on the right side of the cambered table, a magnet piece is arranged on the left side of the cambered table, the article holding frame is arranged under the cambered table, a first metal supporting rod, a second metal supporting rod and the pillow are arranged on the back of the hand-operated wheelchair, a cylinder, an infusion supporting rod and a hook are arranged on the infusion bag support on the back of the wheel-operated wheelchair, and a hook for holding articles is arranged on the left side of the front of the hand-operated wheelchair. The hand-operated wheelchair with the cambered small table and the pedestal pan is economic and practical.
Owner:CHENGDU DRAGON WATER TREATMENT TECH RES INST

Cylindrical lithium ion battery internal pressure detection equipment and use method thereof

The invention discloses cylindrical lithium ion battery internal pressure detection equipment and a use method thereof. The cylindrical lithium ion battery internal pressure detection equipment comprises a storage mechanism, the storage mechanism comprises a storage frame and a battery body, the battery body is arranged in the storage frame, a negative electrode guide piece is embedded in the bottom face in the storage frame, and sliding grooves are formed in the opposite inner surface walls of the two sides of the storage frame; and a pressing frame is slidably embedded between the two sliding grooves and located below the battery body, fixing bolts are in threaded connection with the positions, close to the two corners, of the top of the storage frame, and a sealing cover is slidably arranged between the outer surfaces of the two fixing bolts in a sleeving mode. According to the invention, a rack can be effectively jacked up through a supporting spring and a pressing rod, then the rack can lift the pressing frame through the pressing piece, the battery body can effectively extrude the pressing frame in the process that the battery body is effectively placed into the storage frame, and then the pressing frame can drive the rack to move through the pressing piece, so that the moving rack can effectively drive the linkage gear to effectively rotate.
Owner:HENAN LI POWER SUPPLY

Feed for controlling gosling diseases

The invention discloses a feed for controlling gosling diseases. The feed comprises, by weight, 20-30 parts of corn protein powder, 10-18 parts of earthworm powder, 8-16 parts of peanut meal, 10-18 parts of sesame meal, 8-16 parts of pine needle powder, 8-14 parts of watermelon peel, 30-50 parts of straw powder, 16-28 parts of millet, 15-25 parts of carrots, 14-22 parts of malt selenium, 8-16 parts of kelp powder, 20-30 parts of modified sunflower seed meal, 4-8 parts of soy isoflavones, 2-4 parts of vitamins, 2-4 parts of calcium hydrogen phosphate, 2-4 parts of shell powder and 2-4 parts of a Chinese herbal medicinal additive; and the Chinese herbal medicinal additive comprises, by weight, 16-22 parts of dried orange peel, 20-30 parts of Radix Codonopsis, 16-28 of jujubes, 6-10 parts of hawthorn fruits, 10-20 parts of safflower, 5-15 parts of Radix Curcumae Aromaticae, 8-16 parts of peach kernel, 5-10 parts of lily, 5-10 parts of Rhizoma Atractylodis Macrocephalae, 4-8 parts of unprocessed rehmannia root, 2-4 parts of honeysuckle flowers, 0.5-2.5 parts of Polygonatum odoratum, 2-6 parts of Chinese Gall and 5-10 parts of chrysanthemum flowers.
Owner:DINGYUAN PEIZHANG ECOLOGICAL GARDEN CO LTD

Check ring pressing fit machine

The invention discloses a check ring pressing fit machine. The check ring pressing fit machine comprises a discharging mechanism, a moving mechanism and a lifting mechanism. The discharging mechanismcomprises a base, a first supporting frame, a second supporting frame, a third supporting frame, a fourth support frame, a pushing cylinder, a pushing unit, a check ring guide bar and a bijective photoelectric sensor. The moving mechanism comprises a plurality of guide rails, a plurality of sliding cylinders, a support plate, a transverse slide rail, a fixing cylinder, a clamping unit and a fixingblock. The lifting mechanism comprises two guiding columns, a ball screw, an intermediate supporting block, a top supporting block, a lifting motor and a fixing base to be mounted. The check ring pressing fit machine can realize the automation of the installation of a check ring, reduces human error and avoids safety hazards of human operation.
Owner:安徽安元智能科技有限公司

Cloth feeding mechanism of embroidery machine

The invention discloses a cloth feeding mechanism of an embroidery machine. The cloth feeding mechanism comprises a front cloth clamping roller set, a rear cloth clamping roller set, a left chain transmission mechanism and a right chain transmission mechanism, wherein the front cloth clamping roller set and the rear cloth clamping roller set are arranged in front of and at back of a machine head respectively; the left chain transmission mechanism and the right chain transmission mechanism are arranged on the left side and the right side of the machine head respectively; the left chain transmission mechanism comprises a first driven chain wheel, a first driving chain wheel and a first chain, the first driving chain wheel is driven by a first motor to rotate, the first motor is fixedly mounted on a vertical plate which is parallel with the first chain and spaced with the first chain by a certain distance, the first driven chain wheel is rotationally mounted on the vertical plate, and the vertical plate is driven by a linear drive device to move horizontally; the right chain transmission mechanism comprises a second driven chain wheel, a second driving chain wheel and a second chain, the second driving chain wheel is driven by a second motor to rotate, the second driven chain wheel is rotationally mounted on a rack of the embroidery machine, and a plurality of insertion needles are mounted on the outside of each chain link of the first chain and the second chain. The cloth feeding mechanism of the embroidery machine guarantees the flatness of cloth between the front cloth clamping roller set and the rear cloth clamping roller set, and the embroidery quality is improved.
Owner:江苏润源控股集团有限公司

Preparation method of ultra-high molecular weight polyethylene/montmorillonite nano composite material

InactiveCN110437354AIn situ polymerizationEffective insertionZiegler–Natta catalystGas phase
The invention discloses a preparation method of an ultra-high molecular weight polyethylene / montmorillonite nano composite material. The method comprises the following steps: 1) subjecting montmorillonite to surface modification treatment with a silane coupling agent, and dissolving magnesium chloride in a mixed solution of fatty alcohol and fatty hydrocarbon to form a stable solution; 2) adding the modified montmorillonite into the solution, and stirring the mixture to form a suspension; 3) dropwise adding the suspension into titanium tetrachloride for reaction, and filtering, washing and drying the liquid to obtain a catalyst; and 4) under the condition of slurry polymerization or gas-phase polymerization, initiating a catalytic ethylene polymerization reaction by adopting the catalyst to obtain the ultra-high molecular weight polyethylene / montmorillonite nano composite material. In the method, montmorillonite subjected to silanization treatment is added into a magnesium chloride-loaded titanium-series Ziegler-Natta catalyst, so that the magnesium chloride-loaded titanium tetrachloride catalyst can be effectively inserted into the interlayer of montmorillonite, in-situ polymerization of ethylene is realized, and the intercalated ultra-high molecular weight polyethylene / montmorillonite nano composite material is obtained.
Owner:深圳华世聚合新材料有限公司

HS-2067 nucleic acid sampling bin

The invention discloses an HS-2067 nucleic acid sampling bin which comprises a storage mechanism and positioning mechanisms. The totally multiple positioning mechanisms are arranged, the multiple positioning mechanisms are divided into multiple sets, and each set of positioning mechanisms is totally provided with the two positioning mechanisms. The storage mechanism comprises a storage frame, a semiconductor refrigerator body and an air chamber, the semiconductor refrigerator body is fixed at the top of the storage frame, and the air chamber is fixedly connected to the bottom of the storage frame. In the HS-2067 nucleic acid sampling bin, during use, sealing strips at the bottom of the air chamber are rotated to be closed, the semiconductor refrigerator body and an air blower in the air chamber are started at the same time, flowing airflow generated by the air blower can be injected into the semiconductor refrigerator body through connecting pipes, then low-temperature air in the semiconductor refrigerator body can be effectively injected into air guide pipes, low-temperature airflow injected into the air guide pipes is effectively injected into each carrier through exhaust holes under the obstruction of air guide blocks, and meanwhile limitation of fixed plates to the positions of the carriers is relieved by opening a magnetic cover.
Owner:BEIJING ZIFENG HUANA TECH +1

Processing technology of stir-fried pumpkin seeds convenient to shell

The present invention relates to a processing technology of stir-fried pumpkin seeds convenient to shell. The processing technology comprises the following steps: step one, feeding; step two, automatic sequencing; step three, controlling material blocking; step four, active separation, wherein in synchronization with the step three, a material blocking assembly drives a transmission assembly to synchronously transmit, the transmission transmission assembly drives a supporting rod to move, and inserting assemblies move towards gaps between two adjacent pumpkin seeds and realize separation of the integrally bonded pumpkin seeds in the moving process; step five, cutting, wherein a translation process of the inserting assemblies drives an opening mechanism to synchronously move to complete anautomatic cutting operation of middle parts of the pumpkin seeds; step six, discharging controlling; step seven, screening; and step eight, baking and frying. The processing technology solves technical problems that partial pumpkin seeds are adhered together under adhesion of the pulp and not separated thoroughly due to incomplete cleaning, and the targeted single cutting operation of the pumpkinseeds cannot be realized during the cutting operation.
Owner:阜阳运筹生产力促进中心有限公司

5G integrated elastic needle structure

The invention provides a 5G integrated elastic needle structure used for connecting a filter and an antenna and comprising an elastic pin body and a contact pin body inserted into the elastic pin body, the head of the elastic pin body is connected with a PCB of the filter, the tail of the elastic pin body is provided with a connecting hole allowing the contact pin body to be inserted, the head ofthe contact pin body is inserted into the connecting hole, and the tail is in contact connection with the PCB of the antenna when the PCB is pressed. The elastic needle structure is reasonable in structural design, can effectively guide the insertion of the contact pin body, guarantees that the contact pin body does not shake or fall off, enables the contact pin body not to excessively abut against the elastic pin body after being pressed, enables the contact pin body to effectively reset after being pressed, can replace three connectors, and is lower in price and cost compared with the use ofthree connectors.
Owner:CHANGZHOU AMPHENOL FUYANG COMM EQUIP CO LTD

Slider-crank mechanism capable of controlling and balancing inertia force

The invention provides a slider-crank mechanism capable of controlling and balancing inertia force, and relates to the technical field of slider-cranks. The mechanism aims to solve the problem that when an existing slider-crank mechanism is used, and a slider-crank needs to be controlled to stop in a balanced vertical state, due to the rotation inertia force of the slider-crank, displacement is generated after the slider-crank mechanism stops. The novel mechanism comprises a main body and a main shaft, wherein the main body is of a rectangular plate-shaped structure, and two mounting holes areformed in the upper end and the lower end of the main body. The novel mechanism is characterized in that the main shaft is used for being arranged between an overturning arm and a swing arm, when a slider-crank rotates, the slider-crank needs to be stopped in a vertical state, and inertia force cannot be generated, a first electric cylinder can be directly controlled to ascend through a switch sothat limiting of a clamping piece can be removed, and the clamping piece can be in the state of being supported outwards by a spring; and when the swing arm rotates to a vertical state, the clampingpiece can be compressed firstly and then pushed by the spring to move outwards, and then the clamping piece is effectively inserted into a clamping groove.
Owner:青岛理工大学(临沂)管理委员会办公室

Modified polypropylene composite material for pipeline, and preparation method and application of modified polypropylene composite material

The invention discloses a modified polypropylene composite material for a pipeline, and a preparation method and application of the modified polypropylene composite material. The composite material isobtained by extruding and granulating of the following components in parts by weight: polypropylene, an ethylene-vinyl acetate copolymer, ethylene-propylene-diene monomer, an unsaturated carboxylic acid graft copolymer of a polyolefin elastomer, phosphogypsum whiskers treated by supercritical carbon dioxide, decabromodiphenylethane treated by supercritical carbon dioxide, nano antimony trioxide treated by supercritical carbon dioxide, a silane coupling agent, diisopropylbenzene peroxide, micro-nano organic modified montmorillonite treated by supercritical carbon dioxide, micro-nano flake graphite treated by supercritical carbon dioxide, 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, 2-mercaptobenzimidazole, a light stabilizer GW-944 and calcium stearate through a twin-screw extruder additionally provided with a micro-nano laminated stretching device. The modified polypropylene composite material has the advantages of good antistatic performance, excellent flame-retardant performance and high notch impact strength.
Owner:GUIZHOU MATERIAL IND TECH INSTITUE

A polyvinylamine composite functional membrane with lamellar screening channels and its preparation method and application

The invention discloses a polyvinylamine composite functional membrane with lamella sieving channels and a preparation method and application of the polyvinylamine composite functional membrane. The preparation method comprises the following steps: dissolving an intercalation copolymer of graphene oxide and polyvinylamine into a polyvinylamine solution, dispersing so as to obtain a uniform film casting solution, and preparing the functional membrane on the surface of a micro-pore filtering membrane by using a coating method, wherein t he adjusting range of the interlayer distance of the intercalation copolymer is 8.-24.. Polyvinylamine is dropped into graphene oxide dropwise and is effectively inserted into graphene oxide lamellae, and thus the lamella copolymer of the graphene oxide and the polyvinylamine is prepared; and by adjusting the ratio of graphene oxide to polyvinylamine, the interlayer distance of the graphene oxide lamellae can be regulated and controlled. When applied to CO2 separation, the composite functional membrane has relatively high CO2 permeation rate and separation factor. The preparation method disclosed by the invention is simple in process and easy to operate, and the CO2 permeation property of a polyvinylamine membrane and the CO2 selectivity of CO2 / CH4 and CO2 / N2 are effectively improved.
Owner:TAIYUAN UNIV OF TECH

Placement device for visual ventricle and abdominal cavity shunt tube and application method thereof

InactiveCN108514442AAvoid scratchesAvoid calculationCannulasSurgical needlesAbdominal cavityVentriculoperitoneal shunting
The invention belongs to the field of implantable medical treatment and particularly relates to an implantable auxiliary instrument for a visual ventricle and abdominal cavity shunt tube. A placementdevice for the visual ventricle and abdominal cavity shunt tube comprises an inner cannula and a sheath, a handle is connected to the rear end of the inner cannula, and a spring is arranged on the inner cannula; a cavity is formed in the inner cannula, a first threaded part is also installed on the inner cannula between the spring and the handle, a blunt end for integrated protection is added, a blunt instrument point can be prevented from scratching the abdominal cavity shunt tube, and unnecessary emergency conditions in the surgery are caused; through arrangement of a micro camera, minimallyinvasive surgery in ventriculo-peritoneal shunt can be observed, the blunt instrument point can also be prevented from scratching the abdominal cavity shunt tube, the unnecessary emergency conditionsin the surgery are caused, the insertion depth can also be observed, and the device helps a user to more accurately and conveniently implement the operation.
Owner:LISHUI PEOPLES HOSPITAL

storage table

The invention relates to an object placing platform. The object placing platform comprises a plurality of object placing plates, wherein the surfaces of the object placing plates are horizontally andvertically arranged on a support plate in a sliding manner; the upper surfaces of the object placing plates form the surfaces for supporting the lower end surfaces of coupler box bodies; and lifting mechanisms are arranged below the object placing plates and drive the object placing plates to descend and form a stepped structure. According to the object placing platform, before a hanger passes through the object placing platform and after the object placing platform is full of the coupler box bodies, the object placing plates are arranged in a stepped manner in the front-rear direction under the action of the lifting mechanisms, and the object placing plate at the front-most end is low, so that the coupler box bodies on the object placing plates are arranged in the stepped manner, hangingholes of the coupler box bodies are exposed, and the hanging operation of couplers is convenient to realize; and the fixing relationship among plug connectors and a fixing support is matched with thefixing relationship of the object placing platform, so that it is ensured that the plug connectors are effectively inserted into the hanging holes.
Owner:安庆中巨机电科技有限公司
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