Double wave length fluorescent composite fibre, its production method

Novel carton indentation device

The utility model provides a novel carton indentation device, including workstation, two symmetrical settings in the support of workstation both sides, two symmetrical indentation mechanisms that set up at the workstation both ends, the workstation is equipped with a plurality of toper arch along its width direction, indentation mechanism includes the backup pad, installs the indentation unit in the backup pad, and the backup pad is installed on the support and can be along the displacement of workstation length direction, and the indentation unit includes branch, connecting rod, and branch is installed in the backup pad and can be along the displacement of workstation width direction, and the connecting rod is installed on branch and can be along the vertical orientation displacement of branch, the connecting rod be close to workstation one end be equipped with with the indentation subassembly of the protruding looks adaptation of toper. The utility model discloses adjusting perpendicular ...

Concrete self-heat-preserving brick

The invention discloses a concrete self-heat-preserving brick. The concrete self-heat-preserving brick consists of a rectangular brick body and a plate-like heat-preserving block. The brick body is provided with four rows of elongated grooves in the width direction, the elongated grooves are arranged at equal intervals and penetrate through the upper end surface and the lower end surface, the elongated groove which is located on an odd-number row counted from outside to inside is a one-section groove, and the heat-preserving block is inserted into the elongated groove to form a dual-layer heat-preserving insulation layer. The elongated groove which is located in an even-number row is a two-section groove, and the elongated groove on the position is empty to form a double sound-proof structure. Two end surfaces in the length direction of the brick body are respectively provided with a vertical open slot corresponding to the elongated groove in the odd-number row, and the open slots which ...

Fumigating device for automatically fumigating fruits by using bromomethane gas

The invention relates to the technical field of fruit fumigation, in particular to a fumigation device for automatically fumigating fruits through methyl bromide gas. The fumigating device for automatically fumigating the fruits by using the bromomethane gas can detect the concentration in real time and accelerate circulation at the same time. An automatic fruit fumigation device for methyl bromide gas comprises a fumigation box body, a cover plate, a locking mechanism, an exhaust mechanism and the like, the front side of the right portion of the fumigation box body is rotationally connected with the cover plate, the locking mechanism is arranged on the cover plate, and the exhaust mechanism is arranged in the fumigation box body. The telescopic end of an electric push rod drives a locking frame to slide, so that the locking frame is clamped with an adjacent locking sleeve, a cover plate is locked and fixed, meanwhile, the concentration of bromomethane gas in the fumigation box body is ...

Concrete self-heat-preserving angle brick

The invention discloses a concrete self-heat-preserving angle brick. The concrete self-heat-preserving angle brick consists of a rectangular brick body and a plate-like heat-preserving block. The center of the brick body in the length direction is provided with a transverse rectangular groove penetrating through the upper end surface and the lower end surface, the heat-preserving block is inserted into the rectangular groove to form an insulation structure in the length direction, two sides of the rectangular groove on the lower end surface of the brick body are respectively provided with vacant blind holes, and the vacant blind holes form a sound-proof structure of the brick body. By adopting the structure that the heat-preserving block and the vacant blind holes are inserted into the rectangular groove, the good heat preserving and sound-proof effects are achieved, the weight is also greatly reduced, and the concrete self-heat-preserving angle brick is a novel wall material for substituting ...

Flame-retardant high-air-permeability carton adhesive and preparation method thereof

The invention discloses a flame-retardant high-air-permeability carton adhesive. The invention also discloses a preparation method of the flame-retardant high-air-permeability carton adhesive, which comprises the following steps: pouring water into a container, adjusting the water temperature, adding magnesium hydroxide, and stirring uniformly to obtain a material A; adding calcite powder, orthorhombic zeolite powder and nano meerschaum powder into the material A, and stirring to a viscous state to obtain a material B; adding sodium carbonate, sodium borate and bentonite into the material B, and stirring to obtain a material C; and adding a modified epoxy resin, a modified urea formaldehyde resin, sodium carboxylpropylmethyl cellulose and sodium thiosulfate, stirring uniformly, standing and cooling to obtain the flame-retardant high-air-permeability carton adhesive. The carton adhesive has the advantages of high flame retardancy and high air permeability.

Adjustable nodal pattern carton indentation device

The utility model provides an adjustable nodal pattern carton indentation device, including workstation, frame and indentation mechanism, workstation along its length direction a plurality of recess of having arranged, the rack -mount is in the workstation both sides, indentation mechanism includes support and indentation device, and the indentation device is installed on the support, and all install in the frame at the support both ends, and indentation mechanism can be along the displacement of workstation length direction, indentation mechanism includes multiunit indentation device, and every group indentation device includes branch, installs connecting rod on branch, and the connecting rod can be along the vertical orientation displacement of branch, and the connecting rod is close to workstation one end and is equipped with the indentation wheel, and it is protruding that the indentation takes turns to the annular that is equipped with with the groove phase adaptation. The utility ...

Degradable blood vessel anastomosis casing tube and preparation thereof

The invention discloses a degradable soresi cannula, which is a cylindrical cannula made from high molecular material PLLA by an injection moulding method. The wall thickness and internal diameter of the cannula are adaptive to the vascellum to be repaired. The PLLA soresi cannula prepared by invention has biodegradability so as to solve the problem of remaining of anastomotic devices in vivo. After the completion of anastomosis between the cannula and the vascellum, on the one hand, the cannula can support and fix at a certain time so as to ensure the good anastomosis of the two broken ends of the vascellum and an ariastomotic stoma is not easy to be distorted and narrowed; on the other hand, the cannula can be automatically and gradually degraded and absorbed in vivo finally. No damage to tunica intima and suture remaining occur in the cavosurface of the vascellum after anastomosis, thus the normal vasomotoricity and growing development of the vascellum are not influenced, and foreign ...

Method for controlling traction braking force by TCMS

The invention relates to a method for controlling a traction braking force by a TCMS. The method comprises the following steps: constructing a hard wire backup control circuit; constructing a TCMS network redundancy control circuit; when a TCMS network is normal, starting the TCMS network redundancy control circuit and carrying out TCMS network control by adopting a pre-defined algorithm; and when the TCMS network is abnormal, starting the hard wire backup control circuit. According to the method, the TCMS network control is taken as priority and the hard wire control is taken as backup; meanwhile, the signal redundancy of the TCMS network control is guaranteed and the control of the traction braking force is safe and reliable.

Liver, spleen specific positive magnetic nuclear resonance contrast agent and method of preparing the same

The present invention disclose a specific positive magnetic nuclear resonance contrast agent and method of preparing the same, the contrast agent is applying gadopentetate dimeglumine (Gd-DTPA) coating or scion grafting to 1-100 nm hydroxylapatite [Ca [10](PO [4][6](OH)[2], short as HA) particles, to obtain composite granule smaller than 1000 nm, modified by proserum, polyethylene imine (PEI), polyethyleneglycol (PEG) to get dispersion stability colloid solution. Comparing with the present technology the positive magnetic nuclear resonance contrast agent of the invention is provided with low toxicity, high stability, good biocompatibility, high sensibility, high relaxation capability and liver, spleen specificity. The contrast agent colloid solution can be used for enhancing contrast imaging of human body or non-human body liver or spleen.

Fruit and vegetable fresh keeping carton with high ventilation, moisture preservation and bacteria resistance and preparation method thereof

The invention discloses a fruit and vegetable fresh keeping carton with high ventilation, moisture preservation and bacteria resistance. The invention further discloses a preparation method of the fruit and vegetable fresh keeping carton with high ventilation, moisture preservation and bacteria resistance; after scirpoides holoschoenus is mixed with wood slag and bamboo slag for stewing, calcite powder, acadizcolite powder, mordenite powder, nanometer silicon dioxide and nanometer titanium dioxide are added and uniformly stirred for stewing, mixing, papermaking, drying, polishing, paper rolling, cropping, sorting and packing to obtain a paper material; linear low-density polyethylene, polystyrene, a preservative, an antifogging agent, an antibacterial agent, white carbon black, silica gel, Dagu stones, ceramic particles and polyolefin are mixed and homogenized, are heated, shorn, extruded and pelletized by a double-screw extruder, and are blown by a single-screw film blowing machine to ...

Start control method of train air conditioning units

The invention relates to a start control method of train air conditioning units. An air conditioning system involved comprises air conditioning controllers which are in communication connection with a central processing unit by virtue of a communication network; a reference clock is set in the central processing unit; a timing clock and a clock signal significance bit are set in each air conditioning controller; the compartments of the train are serially numbered in a predetermined order; the control method comprises initializing correction synchronization, and enabling each air conditioning controller to turn on or off the corresponding air conditioning unit according to own timing clock. The start control method of the train air conditioning units specially aims at the train air conditioning system; on the basis of the existing equipment and extremely ingenious design, the technical problem that an existing air conditioning controller is subject to TCMS system communication conditions ...

Vehicle failure recording method

The invention relates to a vehicle failure recording method. The vehicle failure recording method includes steps of initialization, environment variable monitoring, and failure variable and environment variable recording synchronous with failure occurrence, wherein the failure variable and environment variable recording lasts until failure disappears. The vehicle failure recording method can record key environmental data while recording the failure, can assist maintenance personnel in easily completing judgment of failure reasons, and reduces working strength of the maintenance personnel.

Dome of vibrating diaphragm of transducer

Provided is a dome of a vibrating diaphragm of a transducer. Aluminum foil (1), foaming polymethacrylic acid imide panel (3) and aluminum foil (1) are arranged from top to bottom sequentially. The dome is characterized in that a polyurethane film (2) is additionally arranged between the foaming polymethacrylic acid imide panel (3) and the aluminum foil (1) on each of the two sides, the polyurethane films (2) are connected through intrinsic viscous force between polyurethane molecules after being heated, and five layers are formed. Due to the structure, the manufactured vibrating diaphragm of the transducer is simple in technology, low in cost and capable of outputting 15 K high-frequency acoustical signals and greatly improving the expressive capacity of a micro loudspeaker in the high-frequency band.

On --spot quarantine identification platform

The utility model provides an on - -spot quarantine identification platform, includes: the mesa, the loading board that forms the article bagging -off of being convenient for is outwards stuck out to the one end of mesa, the rail, the vertical setting of rail forms hourglass hopper -shaped opening in the marginal of mesa and in loading the plate end, bracing piece, bracing piece be at least including three, the vertical setting of three bracing piece, and the back connection of its one end and mesa, its other end is provided with the gyro wheel. The edge of mesa has provided the rail, can avoid the material to fall scattered away from the edge of mesa. The rail is loading the opening that the plate end has one breach formation hourglass hopper -shaped, so, be convenient for very much the material the collection with withdraw. Removal for the ease of the checkout stand, the utility model discloses also the downside at the mesa has set up the bracing piece, has set up the gyro wheel on the ...

Train intelligence lighting control method

The invention relates to a train intelligence lighting control method. The train intelligence lighting control method includes: arranging circuits in a train head and a carriage; selecting a lighting mode on a human and computer interface; using a controller to control illumination opening and closing through a train network system. The train intelligence lighting control method fully uses the train network system, and achieves train lighting control through a soft switch on the human and computer interface.

Antistatic and heat-resistant coating for corrugated carton and preparation method of antistatic and heat-resistant coating

The invention discloses an antistatic and heat-resistant coating for a corrugated carton. The antistatic and heat-resistant coating comprises the following raw materials in parts by weight: 80-120 parts of modified phenolic resin, 60-90 parts of urea formaldehyde resin, 50-100 parts of acrylic resin, 20-40 parts of deionized water, 12-35 parts of graphite, 8-15 parts of carbon nanotubes, 2-9 parts of carbon fibers, 5-15 parts of bentonite, 3-9 parts of coal ash, 2-8 parts of calcium silicate, 6-12 parts of titanium dioxide, 3-9 parts of tin oxide, 3-12 parts of potassium chloride, 5-15 parts of cryolite, 1-5 parts of sodium fluoborate, 2-6 parts of anhydrous sodium sulfite, 3-8 parts of magnesium stearate, 2-9 parts of a silane coupling agent, 1-5 parts of a polyamide curing agent and 3-7 parts of dimethyl formamide. The invention also discloses a preparation method of the antistatic and heat-resistant coating for the corrugated carton. The coating prepared by using the preparation method ...

Liver, spleen specific positive magnetic nuclear resonance contrast agent and method of preparing the same

The present invention disclose a specific positive magnetic nuclear resonance contrast agent and method of preparing the same, the contrast agent is applying gadopentetate dimeglumine (Gd-DTPA) coating or scion grafting to 1-100 nm hydroxylapatite [Ca [10](PO [4][6](OH)[2], short as HA) particles, to obtain composite granule smaller than 1000 nm, modified by proserum, polyethylene imine (PEI), polyethyleneglycol (PEG) to get dispersion stability colloid solution. Comparing with the present technology the positive magnetic nuclear resonance contrast agent of the invention is provided with low toxicity, high stability, good biocompatibility, high sensibility, high relaxation capability and liver, spleen specificity. The contrast agent colloid solution can be used for enhancing contrast imaging of human body or non-human body liver or spleen.

Medium voltage redundancy power supply method based on network control

The invention relates to a medium voltage redundancy power supply method based on network control. The medium voltage redundancy power supply method based on network control comprises an arrangement circuit used for detecting the state of auxiliary convertors. If one auxiliary convertor breaks down, operation loads of an air conditioner system are reduced by half or the air conditioner system is converted to be at the ventilation mode, and power supply contactors are switched on and supplied with power by the same auxiliary convertor. The power supply reliability of a train can be ensured only through one bus, and the medium voltage redundancy power supply method based on network control is beneficial to lowering manufacturing cost, lowering wiring difficulty and reducing the weight of the train.

Multi -functional carton indentation device

The utility model provides a multi -functional carton indentation device, it is protruding to be equipped with first toper along its width direction on the workstation, and it is protruding to be equipped with the second toper along its length direction on the workstation, indentation mechanism can be along the displacement of workstation length direction, and indentation mechanism includes backup pad, indentation unit, and all install in the frame at the backup pad both ends, the indentation unit can be along the displacement of backup pad length direction, and the indentation unit includes branch, connecting rod, and branch is installed in the backup pad, the connecting rod is installed on branch, and the connecting rod can be along the displacement of branch length direction, and the connecting rod is close to workstation one end and is equipped with indentation subassembly protruding with first toper and second toper arch looks adaptation, and the indentation subassembly is connected ...

Concrete composite heat-preserving building block

The invention discloses a concrete composite heat-preserving building block. The concrete composite heat-preserving building block consists of a building block and heat preserving blocks. The building block is provided with two longitudinal elongated grooves penetrating through the upper plane and the lower plane, each elongated groove is provided with the heat-preserving block in an insertion manner to form a heat-preserving insulation structure. Two sides of each elongated groove are respectively provided with vertical blind grooves which are arranged in parallel and start from the bottom surface, each row of blind grooves are arranged in a segmenting manner, and the blind grooves which are arranged in parallel at intervals in the building block form a sound-proof structure. Two end surfaces in the length direction of the building block are respectively provided with vertical open slots corresponding to the positions of the blind grooves, and the open slots which are arranged in a staggering ...

Efficent fluorescent composite sheath-core fiber, and its manufacture method and application

The invention refers to a high-efficacy fluorescent skin-core complexing fiber as well as the making method and application. The fiber comprises of high polymer cortex and core layer of fluorescent mixture. The core layer comprises one or two kinds of fluorescent mixtures.

Wear-resistant fireproof paint for corrugated cartons and preparation method thereof

The invention discloses a wear-resistant fireproof paint for corrugated cartons. The invention also discloses a preparation method of the wear-resistant fireproof paint for corrugated cartons, which comprises the following steps: adding modified ethylene propylene diene monomer rubber, a modified epoxy resin, polyurethane, polytetrafluoroethylene, polysiloxane, urea, dichlorodiphenyl ketone and deionized water into a stirrer, stirring, adding calcium carbonate, calcite, zinc stearate, aluminum oxide fiber, hydroxyethyl cellulose, toluene diisocynate, an acrylic emulsion, a dispersing agent, a flame retardant and a diluter, stirring, filtering through a 120+-mesh silk screen, and barreling. The paint has the advantages of high wear resistance and high fire resistance.

Degradable blood vessel anastomosis casing tube and preparation thereof

The invention discloses a degradable anastomotic cannula of vascellum, which is a cylindrical cannula made from high molecular material PLLA by an injection moulding method. The wall thickness and internal diameter of the cannula are adaptive to the vascellum to be repaired. The PLLA anastomotic cannula of vascellum prepared by invention has biodegradability so as to solve the problem of remaining of anastomotic devices in vivo. After the completion of anastomosis between the cannula and the vascellum, on the one hand, the cannula can support and fix at a certain time so as to ensure the good anastomosis of the two broken ends of the vascellum and that an ariastomotic stoma is not easy to be distorted and narrowed; on the other hand, the cannula can be automatically and gradually degraded and absorbed in vivo finally. No damage to tunica intima and suture remaining occur in the cavosurface of the vascellum after anastomosis, thus the normal vasomotoricity and growing development of the ...

Marking device for fixing pipeline

The utility model discloses an identification device for fixing a pipeline. The connector comprises a fixing ring, a male connector and a female connector, the fixing ring, the male connector and thefemale connector are integrally formed and are all made of soft silica gel materials. The bottom of the fixing ring is provided with a notch groove into which a pipeline can be conveniently clamped. The utility model has the advantages that: when one male connector is clamped into the other female connector, the male connector can be inserted into the female connector; the two connecting pieces can be connected together; therefore, a plurality of drainage tubes led out from the abdomen of a patient can be correspondingly clamped and fixed by connecting a plurality of drainage tubes together; agroup of drainage tube connecting ends are provided with a plurality of drainage tube connecting ends; according to the utility model, the plurality of drainage tubes can be fixedly clamped and placed in ...

A device for carton indentation

The utility model provides a device for carton indentation, workstation along its length direction a plurality of recess of having arranged, indentation mechanism includes mounting panel, indentation device, and the mounting panel both ends are all installed in the frame and can be along the displacement of workstation length direction, the indentation device includes a plurality of indentation units, and every group indentation unit is including installing support, the connecting rod on the mounting panel, and connecting rod one end is installed on the support, and the other end is equipped with the indentation subassembly, and the connecting rod can be along the vertical direction displacement of support, and the indentation subassembly is connected with the connecting rod through turning to the device, and the indentation subassembly includes two at least indentation poles, all is equipped with the indentation wheel on every indentation pole, and the indentation takes turns to the annular ...

Aircraft cargo hold collaborative fire extinguishing system and method based on clean gas-liquid mixed medium

The invention provides an aircraft cargo hold collaborative fire extinguishing system and method based on a clean gas-liquid mixed medium, and belongs to the technical field of aircraft fire safety. The fire extinguishing system comprises a fire extinguishing agent storage cabin, a high-temperature waste gas heating system, a fire extinguishing agent storage device, a mixing cavity, a fire extinguishing agent conveying pipeline, a double-fluid spray head, an in-cabin environment pressure and temperature monitoring system, a total equipment power distribution unit and a cockpit fire extinguishing control unit, wherein the temperature of the storage cabin is regulated by the high-temperature waste gas heating system; the fire extinguishing agent storage device comprises a gas-pressurized perfluorohexanone storage tank, a gas-pressurized 2-BTP storage tank, a compressed nitrogen inert medium storage tank and a gas-pressurized water storage tank; the release composition and proportion of the ...

Preparation method of biological composite material of hydroxyapatite and high polymer

The present invention relates to polymer base composite material, and is especially the preparation process of one kind of biological composite hydroxyapatite/polymer material. The composite material is used in repairing and substituting defective bone. The preparation process includes surface grafting modification of high density polyethylene, compounding mineralizing liquid, in-situ mineralizing on the surface of the high density polyethylene with hydroxyapatite and injection forming. The present invention has simple technological process, relaxed requirement in apparatus, high interface binding strength of the prepared composite material, homogeneous distribution and regular orientation of the hydroxyapatite crystal, raised biocompatibility and biological and mechanical performance of the composite material. The composite material has elastic modulus not lower than 18 HPa, tensile strength not lower than 120 MPa and bending strength not lower than 140 MPa.

Urban rail vehicle electric control method based on logic control unit

The invention relates to an urban rail vehicle electric control method based on a logic control unit. The method includes the following steps that (1) the logic control unit judges whether a low-pressure under-pressure signal of a train is activated or not, and the step (2) is executed when S1=1; (2) the logic control unit judges whether a train cab is activated or not, the step (3) is executed when S21=0, and the step a is executed when S21=1; according to the step a, the logic control unit judges whether a high-pressure signal of the train exists, the step (3) is executed when S22=0, and the step b is executed when S22=1; according to the step b, the logic control unit judges whether a middle-pressure signal of the train exists or not, the step (3) is executed when S23=0, and the logic control unit controls the train to be in a sleeping state when S23=1; (3) the logic control unit judges whether a sleeping button is activated or not, the logic control unit controls the train to be in ...

Corrugated box indentation device

The utility model provides a corrugated box indentation device, it is protruding to be equipped with a plurality of toper along its length direction on the workstation, the rack -mount is in the workstation both sides, indentation mechanism includes backup pad and indentation device, and the backup pad both ends are all installed in the frame and can be along the displacement of workstation length direction, the indentation device includes multiunit indentation unit, and every group indentation unit includes branch, installs the connecting rod on branch, and branch is installed in the backup pad, and the connecting rod can be along the vertical direction displacement of branch, and the connecting rod is close to workstation one end and is equipped with the indentation subassembly, and the indentation subassembly includes baffle, the movable rod of two symmetries, form between the baffle with the cavity of toper arch looks adaptation, all be equipped with first spout on the baffle, the movable ...

Liquid water disposal device

The embodiment of the utility model discloses liquid water disposal device, the device include waste liquid storage device and cover the device, it includes support frame and clear glass board to cover the device, cover the device perpendicular unsettled cover in waste liquid storage device top, the support frame pass through the stand with the ground at waste liquid storage device place links to each other, the clear glass board pass through the swing joint subassembly with the support frame links to each other. By the liquid water disposal device that this application provided, simple manufacture low cost, can handle the laboratory waste liquid under the NPT, whole processing procedure does not need any chemical addition agent, and the will not leads to the fact secondary pollution, can carry out the concentration with a large amount of waste liquids, and then according to the waste liquid of the different nuisance materials of containing of concentrated gained, the innocent treatment's ...

Double wave length fluorescent composite fibre, its production method and application

The double-wavelength fluorescent composition fibre is a fibre which is formed from long-wavelength fluorescent mixture and short-wavelength fluorescent mixture and has skin-core type or side-by-sidetype structure, the exciting wavelength of the described long-wavelength fluorescent compound is 365 nm and the exciting wavelength of the short-wavelength fluorescent compound is 254 nm. Said composite fibre possesses good safety as compared with monowavelength fluorescent fibre, according to the different requirement it can be formed into series antifalse identifications with different colours,and is a high-effective antifalse material with good stability. Said invention also provides its preparation method.

Carton indentation device

The utility model provides a carton indentation device, including workstation, support, indentation mechanism, a plurality of recess of having arranged on the workstation, the support sets up in conveyer one side, and the indentation device is installed on the support, and indentation mechanism includes multiunit indentation device, and every group indentation device includes branch, installs connecting rod on branch, and the connecting rod can be along the displacement of branch length direction, and the connecting rod is close to workstation one end and is equipped with the indentation wheel, and it is protruding that the indentation takes turns to the annular that is equipped with with the groove phase adaptation. The utility model discloses the during operation will treat that the carton of indentation is placed on the workstation, adjust the perpendicular distance of connecting rod and workstation according to the depth of required indentation to and according to the figure of the ...

Disc ridge making machine

The utility model discloses a disk ridging machine. The utility model is characterized in that a machine frame is provided with a disk plough body, the back part of the disk plough body is provided with a guiding forming plate, and the back part of the guiding forming plate is provided with a pressing wheel device. The utility model has the advantages of simple structure, high ridging work efficiency and convenient operation.

MVB bus network architecture method and network structure

The invention relates to an MVB bus network architecture method and a network structure. The method comprises the steps of erecting a vehicle-level MVB bus; erecting a train-level MVB bus; connecting a train central control unit and a driver display unit in the vehicle-level MVB bus; and starting to work. The network structure comprises the vehicle-level MVB bus and the train-level MVB bus. The MVB bus network architecture method can guarantee relatively high reliability with relatively few devices, and can still control non-fault vehicles even if a fault occurs in a relay, thereby greatly increasing usability of the vehicles.

Event recording method and equipment based on central control unit

The invention relates to an event recording method and equipment based on a central control unit. The method comprises the following steps: collecting a realtime signal, recording the event, collecting a redundant signal, comparing the two signals, and performing motions according to the comparison result. The equipment comprises a train central control unit, a controller, and a memory. The method and equipment has the advantages of simpleness, reliability, reduced cost, and convenience for maintenance and debugging in the later period.

Insurance data security encryption method and system

The invention relates to the technical field of data security, and particularly discloses an insurance data security encryption method and system. According to the method, multiple transmission object types are obtained through classification analysis; generating a plurality of corresponding security type private keys and security type public keys; receiving a data transmission request, and verifying a data request object; after the verification is passed, matching and marking a target object type of the data request object; and according to the target object type, matching and marking a corresponding target type public key, encrypting the target insurance data, and transmitting the encrypted target insurance data to the data request object. A plurality of corresponding security type private keys and security type public keys can be generated according to transmission object types of a plurality of security transmission objects, and different data encryption transmission is performed according ...

Core-skin light storage fabric, method for manufacturing same and use thereof

This invention discloses manufacture method and application of light reservoiring fiber with sheath core. This kind of light reservoiring fiberú¼which has been publicized by this inventionú¼constitutes through core layer and sheath layer. The core layer is light reservoiring mixture or high polymer, while the sheath layer is high polymer or light reservoiring mixture. When core layer is light reservoiring mixture, sheath layer is high polymer. On the contrary, when core layer is high polymer, sheath layer is light reservoiring mixture. This kind of light reservoiring fiber with sheath core, which obtained from this invention, may be used in the safety domain, the costume domain, the toy domain, the decorating material domain and anti-counterfeiting domain. Comparing with in being blending light reservoiring fiber, this kind of light reservoiring fiber with sheath core has the following remarkable merits. This kind of light reservoiring fiber with sheath core is easier to spin than blending ...

HAP/HDPE compound artificial ossicula auditus and method of preparing the same

The invention relates to a HAP/HDPE complex artificial auditory ossicle and the preparation method. The invention is composed of an auditory plate and a column made of HAP/HDPE polymer-based nano composites with 0 per cent to 40 per cent HAP weight content. The preparation process comprises the HAP powder preparation, HAP/HDPE complex powder preparation and artificial auditory ossicle preparation. The HAP/HDPE complex artificial auditory ossicle has good biocompatibility with no any negative reaction and swelling, can not be absorbed, and keeps long stability and improves the dual characters of the bone induction and conduction. Being simple in structure and low in cost, the invention is quite suitable for mass production.

Itentecan derivative and preparation method thereof

The embodiment of the invention provides an etixetecan derivative and a preparation method thereof. The etixetecan derivative is shown as a formula (Ia) or a formula (Ib) or a stereoisomer and a pharmaceutically acceptable salt thereof. Wherein n is an integer from 2 to 6; x1 is selected from heteroatoms; r1 is selected from H, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted cycloalkyl and substituted or unsubstituted aryl; each of R2 and R3 is independently selected from the group consisting of non-existence, H, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted cycloalkyl, and substituted or unsubstituted aryl.

High-strength waterproof binder for corrugated paper case

The invention discloses a high-strength waterproof binder for a corrugated paper case. The high-strength waterproof binder is prepared from the following raw materials in parts by weight: 65-80 parts of water, 18-24 parts of corn starch, 13-15 parts of alcohol, 0.3-0.4 part of sodium hydrogen carbonate, 1.2-1.4 parts of sodium hydroxide, 0.3-0.5 part of borax, 3-8 parts of calcite, 6-12 parts of nano sepiolite powder, 1.5-2.2 parts of modified phenolic resin, 2-3 parts of modified urea formaldehyde resin, 5-15 parts of hydroxypropyl sodium methyl cellulose, 2-3 parts of methyl triethoxysilane, 0.6-0.8 part of a moisture proof agent, 0.6-1.5 parts of a reinforcing agent, 0.6-0.8 part of a flexibilizer and 0.8-1.6 parts of a flame retardant. The binder disclosed by the invention has the characteristics of high strength, strong waterproof property and the like.