390results about How to "Multiple choice" patented technology

The invention relates to a novel multipurpose composite insulation board and a construction method and a processing device thereof. The novel multipurpose composite insulation board is manufactured by forming notches 7 with countersunk head openings 56 and through holes 9 with countersunk head openings 8 on the four sides and in the middle of an XPS insulation board and reserving connection intensifying anchoring supporting seats 2 in the through holes 9 or the notches of the board or reserving supporting seats 95 and 96 on the four sides of the board or sticking an aluminum foil reflecting layer 3 on the upper surface of the insulation board after forming a square or round-bottom groove on the insulation board. A conventional square supporting seat is improved into a supporting seat with a countersunk head of which the four sides are 5 to 50 millimeters wider than those of a supporting block and the upper part is embedded into the countersunk head opening, so support stressed area can be enlarged, and more importantly, a broken bridge insulating function is realized. The insulation board is easy to manufacture and simple and convenient to install and realizes production site assembly in a factory, so on-site wall plastering operation, facing tile wetting operation and paint spraying operation are eliminated; a nail framework does not needing paving; and the insulation board is widely applicable for insulation of warming ground surfaces, wall faces and roofs.

The invention discloses a multilayer thin film OTFT (organic thin film transistor) formaldehyde gas sensor and a preparation method thereof. The sensor is in a bottom-grid bottom-contact device structure, and is provided with a source a, a drain b and a grid c, wherein a trench between the source and the drain is designed as an interdigital structure; the source and the drain are respectively a gold/titanium double-layer film, the gold material is used as an electrode layer, and the titanium material is used as a transition layer; and a sensitive thin film, which is an organic semiconductor material-inorganic nano oxide multilayer thin film, is arranged between the source and the drain. The invention combines the organic semiconductor material with the inorganic nano oxide, and adopts a multilayer thin film mode to prepare the sensitive thin film, thereby greatly enhancing the sensitivity and response speed of the sensor. On the premise of implementing formaldehyde gas detection, the invention breaks through the limitation in material selection in the traditional OTFT device, and adopts the MEMS technology to prepare the OTFT device. The invention has the advantages of small size, low cost and the like, can be integrated into an array, and opens up a new way for preparation and application of the OTFT formaldehyde sensor.

The invention discloses an aircraft platform-based intelligent district safety protection method, which comprises step: according to distribution of monitoring blind areas in the district, a monitoring center sets a patrol route of the aircraft; when the aircraft works in an automatic mode, the monitoring center controls the aircraft to fly via a base station, images of the district are monitored via a CCD camera of the aircraft along the set patrol route, and the images obtained through monitoring of the CCD camera are transmitted in real time to the monitoring center via the base station; the aircraft uses the equipped infrared camera thermal imaging principle and adopts the face recognition technology to judge whether a person exists in the patrol route, if yes, the aircraft stops in the air for a certain time and transmits an announcement instruction to the monitoring center via the base station, and if not, patrol operation is continued. Monitoring can be executed on places at which no one can arrive via the CCD camera, and the safety protection range is increased; and through the thermal imaging principle of the infrared camera and the face recognition technology, the district safety protection strength is enhanced.

The invention relates to a temporary locking system and method for bicycle rental and belongs to the technical field of bicycle and electric bicycle. The temporary locking system provided by the invention comprises a server, an intelligent lock, a bicycle and a mobile phone; the intelligent lock is mounted on the bicycle as a whole, the server is provided with a bicycle rental and intelligent lock management platform, and the mobile phone has a GPS function and is connected to the server by wireless communication. The invention also provides a temporary locking method for bicycle rental convenient to operate. The system and method provided by the invention are reasonable in design and convenient to operate. By additionally arranging a temporary locking button on the intelligent lock, a user has more selectivities and the system and method are safe and reliable.

The invention discloses an anti-restenosis digestive tract stent which is characterized in that a main body (1) is formed by connecting a plurality of stent units (2) and an easily-bent connecting part (3), wherein two ends of the connecting part (3) are respectively connected with the corresponding stent unit (2), the main body (1) is of a right circular cylinder structure which is easy to bend or a composite structure which is easy to bend and consists of a cylinder and a cone; and each stent unit (2) is of an integral structure formed by carving a metal pipe material or a structure formed by weaving a silk material, and the connecting part (3) is formed by weaving a metal line material or plastic line material with good flexibility. The anti-restenosis digestive tract stent has better radial supporting strength and better compliance, and ensures that the stent has the advantages of more accuracy of positioning, difficulty in translocation, low restenosis incidence and the like.

The invention discloses an intelligent warehousing sorting system, a goods shelf and an AGV. The intelligent warehousing sorting system comprises a storage goods shelf body, a carrying goods shelf body, the AGV, an upper computer and controller provided with a human-computer interface, wherein the upper computer is connected with the AGV and the controller in a communication mode; and the carryinggoods shelf body comprises a main goods shelf body which is provided with a plurality of first goods stations used for storing goods. The upper computer is in communication connection with the controller and the AGV to monitor the product information (position, quantity and the like) in the whole course, then the resources (the goods shelf and the AGV) can be reasonably distributed, and the warehousing conveying and sorting efficiency is improved. Product partitioning, centralized goods loading and partitioning unloading are formed, modular and regional management and monitoring of the wholewarehousing are achieved, enterprises can conveniently and comprehensively monitor the process from order making to order finishing, data are obtained fast, the manpower, material resource and time cost of the enterprises are reduced, and intelligent and automatic management and monitoring of the warehousing process are facilitated.

The invention discloses a solid phase microextraction fiber for polycyclic aromatic hydrocarbon enriching detection and a manufacturing method thereof, and belongs to the technical field of contaminant detection. The invention provides a method capable of being used for manufacturing a solid phase microextraction coating on different fiber substrates and realizing combined use with gas chromatography or gas chromatography-mass spectrum, and the method is used for polycyclic aromatic hydrocarbon contaminant detection. Metal fiber is used as a substrate; dopamine is polymerized on the surface ofthe substrate so as to provide functional groups for polydopamine; the polydopamine is firstly combined with COF material single ligands so as to provide an anchor point; a PDA-COP composite layer isfinally synthesized and is used for solid phase microextraction. The solid phase microextraction fiber has the advantages that through the great pi bond effects between the solid phase microextraction fiber and the polycyclic aromatic hydrocarbon, the adsorption effect on the polycyclic aromatic hydrocarbon can be enhanced; during the enrichment, a certain separation effect is achieved; the substrate pretreatment step of samples can be effectively simplified; meanwhile, the enriching capability of the polycyclic aromatic hydrocarbon contaminants can be greatly improved; the detection limit ofthe polycyclic aromatic hydrocarbon contaminants can be reduced.

The invention provides a hartite material, and a preparation method and application thereof. The hartite material is prepared from the following ingredients in parts by mass: 50 to 54 parts of SiO2, 15 to 19 parts of Al2O3, 0 to 0.5 part of Li2O, 3.5 to 5.5 parts of K2O, 1 to 2 parts of Na2O, 6 to 9 parts of CaO, 1.5 to 3 parts of MgO, 4 to 7 parts of ZnO, 8 to 10 parts of BaO, 0 to 2 parts of SrO, 0 to 0.5 part of ZrO and 0 to 0.2 part of V2O5; the raw materials are mixed, calcined, smashed or ground to obtain the hartite material; the hartite material and a mud blank are mixed to be manufactured into a hartite ceramic tile. The hartite ceramic tile has good satin texture, hardness, transparency, acid-base resistant performance and color emissivity.

The invention relates to a targeted polymer medicament carrier and a preparation method and application thereof. The targeted polymer medicament carrier has a molecular structural formula shown in the graph. The preparation method comprises the following steps of: a) feeding Pluronic and Biotin in a molar ratio of 1:1.1-1.5; dissolving the mixture in dichloromethane; adding 4-dimethylamino pyridine; dropwise adding 1,3-dicyclohexyl carbodiimide in an ice water bath; reacting at room temperature for 24 to 48 hours; extracting reactive fluid with 10 to 15 percent NaHCO3; freezing over night; filtering to remove undissolved substances; concentrating the reactive fluid; dropping the reactive fluid into cold absolute ethyl ether; filtering, and drying in vacuum; and b) dissolving a product with dry toluene, and distilling the product in the presence of argon gas; dehydrating by an azeotropy method; cooling to the room temperature; adding lactide according to 50 to 90 percent of the weight of the product in the presence of the argon gas, and adding stannous octoate according to 0.1 to 0.15 percent of the weight of the lactide; heating to the temperature of between 120 and 140 DEG C; reacting for 6 to 8 hours under stirring; immersing a reactant into the cold ethyl ether, and filtering; and dissolving polymer by using dichloromethane, immersing into methanol, and filtering and drying. The carrier can be used as carriers of medicaments for treating and diagnosing cancers.

The invention provides a conjugated metal polymer photoelectric material with functionalized polarity side-chain radicals and an application thereof. The material has conjugated main chains and functionalized polarity side-chain radicals, wherein the conjugated main chains contain Hg metal atoms; the functionalized polarity side-chain radicals comprise a high-polarity radical A with water-alcohol solubility. Due to the existence of the metal atoms in the conjugated main chains, the conjugated polymer material has the mutual metal-metal supermolecule function, and has a good current-carrier transferring characteristic; due to the existence of the radical A, the conjugated polymer material can be prepared by using a high-polarity solvent such as alcohol, can remarkably decrease the work function of a stable metal electrode, has good functions of suction filtration, injection and the like on enhanced high work function metal electrode electrons, and is applicable to manufacturing of complex multi-layer organic/polymer photoelectric devices. The conjugated metal polymer with the functionalized polarity side-chain radicals can be used as an electronic suction filtration/transferring layer to be applied to photovoltaic, light-emitting organic/polymer photoelectric devices to improve the properties of the devices.

The invention provides a preparation method of a positive QLED (Quantum dot Light-Emitting Diode) device, which comprises the steps of providing an anode and a displacement ligand solution; depositinga quantum dot prefabricated film on the anode, wherein the quantum dot prefabricated film is composed of quantum dots containing an initial ligand on the surface, in-situ ligand exchange is carried out on the quantum dot prefabricated film and the displacement ligand in the displacement ligand solution to displace the initial ligand with the displacement ligand so as to obtain a quantum dot light-emitting layer; preparing an electronic functional layer on the surface of the quantum dot light-emitting layer; and preparing a cathode on the electronic functional layer.

The invention discloses a welfare distribution method, a device, a welfare verification method and a device. The welfare distribution method includes: obtaining the welfare distribution rules providedby the welfare distributor and the information of the welfare distribution object; generating benefit distribution activities according to benefit distribution rules; calling a benefit distribution interface to distribute corresponding benefits to benefit distribution objects according to benefit distribution object information. The invention provides a new welfare distribution mode, which provides more options and convenience for welfare consumption, saves the tedious reimbursement process of welfare distribution object, reduces the financial reconciliation cost of welfare distribution party, and can also bring fixed flow for the merchants of the marketing platform and increase the income of the merchants of the marketing platform.

The invention belongs to the technical field of quantum dots, and particularly relates to a quantum dot film, a preparation method thereof, a QLED (Quantum dot Light-Emitting Diode) device and a preparation method thereof. The preparation method of the quantum dot film comprises the steps of providing a quantum dot prefabricated film and a solution containing a displacement ligand, wherein the quantum dot in the quantum dot prefabricated film contains an initial surface ligand, the structural general formula of the displacement ligand is X1-R-X2, both X1 and X2 are a functional group capable of being bound with the surface of the quantum dot, and R is an alkyl or alkyl derivative with a conjugated group; and carrying out gas-phase ligand displacement on the quantum dot prefabricated film and the solution containing the displacement ligand to obtain a quantum dot film with the quantum dot surface being bound with the displacement ligand. The displacement ligand with the conjugated groupis adopted to carry out ligand displacement without the problem of solution settlement, the carrier transmission in the quantum dot film is improved, and the light-emitting performance of the devicecan be correspondingly improved.

The invention relates to an LED lamp, in particular to a novel LED lamp capable of realizing multi-angle illumination, and aims to provide the novel LED lamp which can illuminate the single position, has relatively many functions, is convenient to maintain and clean and can realize multi-angle illumination. The novel LED lamp comprises a fixed plate, a mounting plate, a guide rail, a guide sleeve, a stop block, a connecting rod, a fixed rod, a connecting block, a lamp holder, a first fixed pulley, a second fixed pulley, a first rotating shaft and the like; the mounting plate is mounted on the upper side of the fixed plate through welding; the guide rail is mounted on the left side of the lower side of the mounting plate through welding; and the guide sleeve is glidingly connected onto the guide rail. The lamp realizes the effects that the lamp can illuminate the single position, has relatively many functions and is convenient to maintain, the manner that the illuminating position of the LED lamp is controlled through up-and-down movement of a handle is adopted, and more illuminating angles of the LED lamp can be selected.

The invention discloses a differential vibration isolation type MEMS (micro-electromechanical system) vector hydrophone and solves the problems of the conventional elastic vibration isolation structure that sound scatters, amplitude decreasing only works on special frequency band noise and structure is poor in stability and reliability. The differential vibration isolation type MEMS vector hydrophone comprises a silicon base frame, cantilevers, a central connector, an upper minitype cylinder and a lower minitype cylinder. The minitype cylinders are bonded symmetrically. Eight strain varistors are formed on each cross cantilever. During operation, vibration of a platform acts on the minitype cylinders in the inertia force manner, and the minitype cylinders generate equal and reversed torques; a voice signal generates a different-mode signal through a sealing structure and acts the minitype cylinders, and the minitype cylinders generate different-mode torques. Based on the common-mode rejection characteristic and the different-mode output characteristic, vibration is damped. The different vibration isolation type MEMS vector hydrophone is simple and reliable in structure, effective in damping and unaffected by vibration sources and vibration frequency.

The invention provides a packaging material composition, which comprises (a) 20 to 60wt% non-siloxane epoxy resin; (b) 5 to 50wt% siloxane epoxy resin containing aromatic siloxane 1 to 45wt%; and (c) 27 to 45wt% anhydride hardener. Additionally, the invention also provides another packaging material composition, which contains (a) 30 to 50wt% non-siloxane epoxy resin; (b) 5 to 50wt% alicyclic siloxane anhydride hardener; and (c) 27 to 45wt% anhydride hardener. The packaging material composition of the invention can be used for the transparent package material of a solid light emitting device, achieving the effect of long-time resistance to yellowing at high temperature.

The invention provides an automatic egg cooker based on cloud sharing. The automatic egg cooker based on cloud sharing comprises a base, a cup-shaped body and an upper cover. A pressure sensor is arranged on the cup-shaped body. A control system is arranged in the base. The egg cooking time can be controlled according to the egg weight acquired by the pressure sensor. By means of the automatic egg cooker based on cloud sharing, a plurality of users are allowed to share egg cooking parameters of the automatic egg cooker through the Internet. Egg cooking selectivity is high, the effect is good, and user experience is good.

The invention relates to an amphiphilic temperature-sensitive block copolymer-based sensor, as well as a preparation method and application thereof, and belongs to the technical field of chemiluminescent materials. The sensor is named as PEO113-b-P(NIPAM-co-SHMA)65 probe. The preparation method comprises the following steps: preparing a salicylaldehyde-hydrazone-based fluorescent probe SHMA at first, and adding a magneton, NIPAM, a methoxy polyethylene glycol-based macromolecular chain transfer agent, AIBN and 1,4-dioxane for mixing; after reaction in an oil bath, performing dilution with the 1,4-dioxane, and cyclically and repeatedly performing precipitation-dissolution in an excessive amount of ethyl ether for multiple times; obtaining a light yellow solid powder product. The sensor provided by the invention is extremely high in water solubility, temperature sensitivity, biocompatibility, multi-selectivity and sensitivity, and Al<3+> and Zn<2+> can be distinguished by virtue of the colors of fluorescence and fluorescence intensities at different time points.

The invention discloses a method and device for comprehensive music search based on label pages. The method comprises the steps of receiving a search request containing music search demand information sent by a network terminal device of a user, inquiring music search result information matched with the music search demand information and acquiring music search result information matched with the music search demand information provided by at least one partner music website, setting different label pages for the music search result information from different places based on a tab label, and pushing the comprehensive music search result information provided with different label pages to the network terminal device of the user.

The invention discloses a full-scan opto-acoustic double-mode endoscopic probe. The endoscopic probe comprises an ultrasonic transducer, an incident optical fiber and a cone surface reflector; the axial outer side of the ultrasonic transducer is sleeved with a tube shell, and the ultrasonic transducer is rotatably arranged on the inner side wall of the tube shell; emergent light of the incident optical fiber penetrates through the ultrasonic transducer to irradiate the sphere center of a hemispherical inwards-concave surface; a reflection cone surface is arranged at the sphere center position of the hemispherical inwards-concave surface, and incident light of the incident optical fiber reflects on the reflection cone surface and then is vertically emitted to a to-be-tested portion from the side wall of an endoscope; an ultrasonic vibration element is arranged on the inwards-concave surface of the outer side of the center of the hemispherical inwards-concave surface and synchronously rotates with the cone surface reflector, and ultrasonic waves sent by the ultrasonic vibration source are reflected by the reflection cone surface and then obliquely emitted to the to-be-tested portion from the side wall of the endoscope. According to the endoscopic probe, the technical problem that the imaging contrast ratio and imaging depth of the endoscope cannot be obtained simultaneously is solved.

The invention discloses a minority language online education consultation and registration method. An account is registered; an auction course or a VIP course or a class course is selected; a student with successful auction registration becomes an auction VIP student, and course reservation can be carried out; a student with successful VIP course registration becomes a common VIP student; and a student with successful class registration becomes a class student. The invention also discloses a minority language online education consultation and registration system, which comprises a student account registration module, a registration mode selection module, a teacher data display module, an auction registration bidding module, a bidding result selection module, a VIP course display module, a VIP course selection module, a class course display module and a class course selection module. The minority language online education system is perfected, a minority language question bank is systematic, the registration modes are diverse and targeted, and the level of the teacher is decided by the course giving time and evaluation from students, which is more open.