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584results about How to "Strong structural stability" patented technology

Display device having multi-touch recognizing function and driving method thereof

A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; a look-up-table of a plurality of compensation angles in an range of about 0 to about 90 degrees corresponding to each of the plurality of cameras; and processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively, and compensates the detected touch area with one of the plurality of compensation angles.
Owner:LG DISPLAY CO LTD

Structure and method for treating severe disengagement, cracking and other defects of tunnel lining

The invention discloses a structure and method for treating severe disengagement, cracking and other defects of a tunnel lining. According to the method, original defective secondary lining concrete is chiseled away, and an inverted trapezoidal groove with the inside being wide and the outside being narrow is formed; steel bars are embedded in the middle of the groove in the annular direction and the longitudinal direction, and meanwhile, the steel bars and the original concrete are anchored integrally; self-propelled hollow grouting anchor rods are drilled in the groove area and surrounding the groove at the same time, and the outer side and the inner side, close to the secondary lining, of each anchor rod are wrapped with two water-swelling rubber water stop strips; and after a formwork is erected on the outer surface of the secondary lining, micro-expansion concrete is poured into the groove and is tightly connected with an original primary support and the secondary lining, so that a new lining structure is formed, the outer surface area of the micro-expansion concrete extends around till reaching the design thickness of the secondary lining and then extends again by 80-100 cm within which steel belts are hung for anchorage. The structure and method can effectively treat the defects of severe cracking and disengagement of the lining, the structure stability is good, the mechanical property is high, the problem that the defects occur again in the later period is avoided, the treatment method is high in operability, safe and reliable, and great economic benefits are achieved.
Owner:CHANGAN UNIV

Display device having multi-touch recognizing function and driving method thereof

A display device having a multi-touch recognition function includes an integration module having a plurality of cameras integrated at an edge of a display panel; a look-up-table of a plurality of compensation angles in an range of about 0 to about 90 degrees corresponding to each of the plurality of cameras; and processor that detects a touch area using at least first and second images captured by the plurality of cameras, respectively, and compensates the detected touch area with one of the plurality of compensation angles.
Owner:LG DISPLAY CO LTD

All-bearing car body structure of new-energy urban bus

An all-bearing car body structure of a new-energy urban bus comprises a front wall assembly, a rear wall assembly, a top cover assembly, a bottom frame assembly, a support upright assembly and a closed stressed ring structure of a whole car body, wherein the closed stressed ring structure is formed by two side wall assemblies, the two ends of the support upright assembly are connected with the top cover assembly and the bottom frame assembly, so that the closed stressed ring structure is formed on the cross section of the car body conveniently, meanwhile, a two-layer frame cavity structure arranged in the top cover assembly not only facilitates the placement of energy storage equipment, but also optimizes the space in a car. According to the design, the passenger space in the urban bus is optimized, and the overall bearing uniformity of the car body structure is improved, moreover, the delivery effect of the local structure is stronger, and the closed stressed ring structure is arranged on the support upright assembly.
Owner:DONGFENG MOTOR CORP HUBEI

Ultrathin TiO2 coating layer of lithium battery cathode material, lithium battery cathode material and preparation method of lithium battery cathode material

The invention discloses an ultrathin TiO2 coating layer of a lithium battery cathode material. The coating layer is uniform and compact, and the thickness is only 0.5-20 nm. The lithium battery cathode material with a core-shell type coating structure comprises an inner-core cathode active material and the externally coated ultrathin TiO2 coating layer, wherein a mole ratio of Ti in the coating layer to a transition metal element in the inner-core cathode active material is 0.01%-3%. A preparation method of the lithium battery cathode material comprises steps as follows: a titanium contained compound is dissolved in an organic solvent; the inner-core cathode active material is added to the solution and stirred rapidly, the organic solvent is removed through heating, dry powder is obtained and is placed in dry air for standing to have in-situ hydrolysation with water molecules in air slowly and controllably, and intermediate powder is obtained and placed in an aerobic environment for calcination so as to obtain the lithium battery cathode material. The side reaction between the active material and electrolyte can be effectively inhibited, and the rate capability and the cycle performance of the lithium battery cathode material are improved.
Owner:CHANGSHA RES INST OF MINING & METALLURGY

Preparation method for patterned photonic crystal structural coloration material with stable structure and bright color

The invention relates to a preparation method for a patterned photonic crystal structural coloration material with stable structure and bright color, and belongs to the field of preparation of structural coloration materials. The method comprises the following steps of (1) preparing a hollow nano-microsphere colloidal dispersion liquid; (2) constructing a hollow nano-microsphere photonic crystal structure on the surface of a base material by adopting a colloidal microsphere self-assembly method or a spraying method; (3) preparing curable ink, performing selective application processing on thehollow nano-microsphere photonic crystal structure, and curing the ink through light or heat, wherein the curable ink is light-cured or heat-cured ink; and (4) removing hollow nano-microsphere photonic crystals of an uncured part through ultrasonic washing or soaping. According to the method, the photonic crystals are self-assembled by adopting hollow nano-microspheres, the curable ink is preparedand the hollow nano-microsphere photonic crystal structure is subjected to the selective application processing, so that the high-stability and high-saturation patterned photonic crystal structure coloration material is obtained.
Owner:浙江中蝶坊新材料科技股份有限公司

Wind-resistant advertising board

The invention discloses a wind-resistant advertising board comprising a frame and a main board. The main board is composed of a plurality of blades arranged side by side. The blades are hinged to the frame. The frame is provided with a steering driving assembly for inducing wind power to drive the blades to rotate. The steering driving assembly comprises a plurality of gears, racks and a sliding block. The gears are fixed to the plurality of blades. The sliding block extends and has a first windward piece. A windward surface of the first windward piece is parallel to the main board. The sliding block is driven by wind to slide in a direction vertical to the arrangement direction of the blades. The racks are intermeshed with the plurality of gears. The racks are hinged to the sliding block via draw bars. When the sliding block is moving in a first sliding chute back and forth, the sliding block drives the racks to move in the arrangement direction of the blades. The first sliding chute is provided with elastic components to keep the sliding block to reset. The advertising board can be normally used under the normal or breeze condition and is capable of dispelling wind when subject to large head-on wind, and wind resistance of the advertising board is improved.
Owner:尊岳科技辛集有限公司

Combination type vertical greening device

The invention discloses a combination type vertical greening device. The combination type vertical greening device comprises a water supply system, brackets, containers and a fixed steel frame, wherein the tubular brackets are fixed on the fixed steel frame by a fixing device in a vertical and horizontal arrangement mode; a plurality of circular holes which are distributed at intervals and matched with the lower parts of the containers are formed in the brackets; the lower parts of the containers are inserted into the circular holes; two ends of each bracket are respectively connected in series with those of each of the vertically-adjacent brackets through water channel connecting pieces; a water level adjusting device is arranged at each of the two ends of each bracket; and an inlet of the uppermost bracket is connected with the water supply system. The fixed steel frame can be fixedly arranged on a vertical wall or an inclined surface which forms a certain angle with a horizontal plane, and the height of the fixed steel frame is not limited. A greened wall which is independent of the wall is formed. The cultivated plants of the combination type vertical greening device can be conveniently and quickly replaced according to season requirements or beautifying requirements, so various walls and vertical surfaces can be greened and beautified, building walls can be effectively protected, and an ecological effect is achieved.
Owner:青岛冠中生态股份有限公司

Novel solar greenhouse backwall structure

The invention relates to a novel solar greenhouse backwall structure which comprises a fixed wall body, a dismounting wall body and a wall body supporting structure. The fixed wall body is built by laying hollow blocks, and a thermal storage layer, a thermal-protective layer and an insulating layer are distinct in dividing line. The dismounting wall body is built on the fixed wall body through straw blocks, performs a heat insulation and heat preservation function when a solar greenhouse carries out production in winter, and is dismounted to enlarge draught areas and perform cooling effects when the solar greenhouse carries out production in seasons with higher temperature. The cage type supporting structure is formed by stand columns, tie bars, transverse beams and longitudinal beams, and load born by the framework of the solar greenhouse is transmitted to the ground directly. Through the mounting and dismounting of the rear wall, the solar greenhouse with the backwall structure can achieve heat insulation and aeration cooling respectively, can carry out normal production and operation at all seasons, and the indoor land use rate and economic benefit are improved.
Owner:NANJING AGRICULTURAL UNIVERSITY

Keyboard scanning circuit and scanning method thereof

InactiveCN102111159ASave I/O portsStrong circuit structure stabilityDynamic codingLoad resistanceResistive element
The invention relates to a keyboard scanning circuit and a scanning method thereof, wherein the keyboard scanning circuit comprises a processor with N I / O (input / output) ports, N row lines and N column lines; keys are arranged on the intersections of the row lines and column lines; and one end of each key is connected with a row line, and the other end of the key is connected with a column line. Each I / O port of the processor is a bidirectional I / O port with a pull-up resistor; each row line is connected with a load resistor and then grounded; one end of each column line is connected with an I / O port of the processor; one row line is in pair-wise combination with one column line; a voltage division resistor is arranged between the row line and column line in the pair-wise combination; andthe pull-up resistor, the voltage division resistor and the load resistor in each combination form a tandem passage. The keyboard scanning circuit is only required a processor with 2N resistor elements and N I / O ports to finish scanning of N*N keys, has the advantages of strong stability in circuit structure and the like, occupies the fewer I / O ports of the processor, and is low in the manufacturing cost.
Owner:QINGDAO WINDAKA TECH

Multi-dimensional earthquake-resistant buffer base mechanism for building house and implementation method thereof

The invention relates to the technical field of building earthquake resistance, in particular to a multi-dimensional earthquake-resistant buffer base mechanism for a building house and an implementation method thereof. The multi-dimensional earthquake-resistant buffer base mechanism comprises an outer tube body, a support post, a longitudinal buffer assembly, a spherical surface buffer assembly, afloating hinging assembly, a flexible gasket, a top plate, a buffer rope group and an inside filler, wherein the outer tube body is buried under the ground; the support post is arranged at the bottomof the outer tube body; the longitudinal buffer assembly is fixedly arranged on the support post; the spherical surface buffering assembly is arranged on the longitudinal buffer assembly; one end ofthe floating hinging assembly is connected with the outer tube body; and the other end of the floating hinging assembly is connected with the upper part of the spherical buffering assembly; the bottomof the top plate is connected with the top end of the spherical surface buffer assembly; the flexible gasket is arranged in a gap between the top plate and the outer tube body; one end of the bufferrope group is fixedly arranged at the bottom of the outer tube body, and the other end of the buffer rope group is fixedly connected with the peripheral wall of the spherical surface buffer assembly;and a house is built on the top plate. The multi-dimensional earthquake-resistant buffer base mechanism using the scheme has the advantages that the earthquake-resistant effect is good; the service life is long; and the construction difficulty is small.
Owner:中为润泰建设集团有限公司

Intelligent anti-impact bracket device

The invention belongs to underground coal mining equipment and in particular relates to an intelligent anti-impact bracket device. The intelligent anti-impact bracket device comprises a top beam (2), a bottom beam (3), dowels (1), a hydraulic bracket (4), a baffle (5), a stress sensor (6) and a displacement sensor (8), wherein the top beam (2) and the bottom beam (3) are divided into two half parts from the middle position; two half top beams (2) and two half bottom beams (3) are in pin connection at the dividing position through the dowels (1); the upper end of the hydraulic bracket (4) is connected with the top beam (2); the lower end of the hydraulic bracket (4) is connected with the bottom beam (3); the baffle (5) is arranged between the top beam (2) and the bottom beam (3); the stress sensor (6) is arranged on the middle part of the baffle (5); and the displacement sensor (8) and an anti-impact component (7) are arranged on the side of the lower part of the hydraulic bracket (4). The elasticity and anti-impact capacity of the hydraulic bracket are enhanced, and the intelligent anti-impact bracket device has high overall structural stability, can be folded, and is convenient to carry and mount.
Owner:LIAONING TECHNICAL UNIVERSITY

Three-core cable fusion joint and installation technology thereof

The invention discloses a three-core cable fusion joint, and relates to the technical field of electric power transmission. The joint comprises two mutually connected cables, an inner repairing layergroup and an outer repairing layer group, wherein the inner repairing layer group and the outer repairing layer group are used for repairing the cables, each cable includes three conductor cores and an outer protection layer group coated outside the three conductor cores, the outer protection layer group includes an inner sheath layer, an armor layer and an outer sheath layer in sequence, the outer repairing layer group includes an inner sheath repairing layer, an armor repairing layer and an outer sheath repairing layer in sequence, the outer sheath repairing layer is set to be a heat shrinkable casing, and two ends, which are lapped with the outer sheath repairing layer, of the outer sheath layer are sleeved with cold shrinkage casings. The cold shrinkable casings are great in elastic shrinkage force and can carry out permanent elastic coating on the lapping parts at two ends of the outer sheath repairing layer, thereby forming interference fit for a long time, and effectively improving the relative stability between two ends of the outer sheath repairing layer and the outer sheath layer. In addition, the cold shrinkable casings can firmly adhered to the outer side of the outer sheath layer, thereby effectively improving the waterproof performance of the cable after the repair.
Owner:华依电缆附件有限公司

Vanadium pentoxide micro-nano particles and preparation method and application thereof

The invention provides micro-nano particles; the micro-nano particles are vanadium pentoxide micro-nano particles and are formed by self assembly of nano sheets. The invention also provides a preparation method of the micro-nano particles, wherein the method comprises the following steps: 1) adding vanadium pentoxide to ethylene glycol, stirring to mix evenly, and forming a suspension A; 2) adding a sodium bicarbonate solution to the suspension A to form a suspension B; 3) heating the suspension B, and then standing and cooling at room temperature, to obtain a precursor containing a black precipitate; 4) carrying out centrifugal separation of the mixed solution containing the precursor and formed in the step 3), washing, and drying, to obtain a flower-shaped vanadium oxide precursor formed by nanosheet self-assembling; and 5) calcining the precursor obtained in the step 4) in an air atmosphere to obtain the micro-nano particles. The invention also provides an application of the micro-nano particles in the fields of new energy resources, environmental detection, food and medicines.
Owner:NORTHEASTERN UNIV

Lithium metal anode material based on tio2 nanotube array/titanium foam and preparation method thereof

The invention belongs to the technical field of new energy materials and energy storage and conversion materials, in particular to a lithium metal anode electrode material based on TiO2 nanotube array / titanium foam and a preparation method thereof. TiO2 nanotube arrays were prepared on the surface of porous titanium foam by anodic oxidation and annealed, A lithium metal anode material with high loading of lithium metal, which can greatly alleviate the volume expansion effect of lithium metal and restrain the lithium dendrite in the process of cycling charge and discharge, was prepared by melt-perfusion method by compositing lithium metal with TiO2 nanotube array / titanium foam. A surface of that porous titanium foam three-dimensional conductive skeleton in the negative electrode material isuniformly covered with a lay of ordered TiO2 nanotube array, and lithium metal is uniformly filled with the TiO2 nanotube array / titanium foam matrix. A symmetrical cell was fabricate by using that lithium metal anode material. The cell was fabricated at 0.5 mA- cm<2> Cycling 300 cycles (600 hours) at current density, exhibiting lithium-free dendrite and stable cycling.
Owner:HEFEI UNIV OF TECH

Multifunctional wheelchair special for patients with epilepsy

The present invention provides a multifunctional wheelchair special for patients with epilepsy, which comprises a wheelchair frame, a seat mechanism, a flat-lying mechanism, a traveling mechanism, anda leg drag mechanism. The wheelchair frame comprises a support body; a connecting elbow pipe is fixed to the rear of the support body; a flat-lying mechanism is arranged on the elbow pipe; the flat lying mechanism comprises a fixing seat; the fixing seat is fixed to a welding elbow pipe; a first rotating shaft seat is fixedly mounted at the top of the fixing seat; the first rotating shaft seat ishinged with a backrest circular pipe; the backrest circular pipe is fixedly connected with a backrest; the rear of the backrest is hinged with a support bar; the backrest circular pipe is fixedly connected with a pull strip; the pull strip is fixedly connected with a pin; a latching hole matched with the pin is arranged on the support body. As the circular pipe is used in the main structure of the multifunctional wheelchair, the multifunctional wheelchair has strong structure stability and high safety factor; as the flat lying mechanism is arranged, on one hand, rapid lying of patients with epilepsy can be achieved, and on the other hand, the suffering of patients with epilepsy in the flat lying process is reduced, and the multifunctional wheelchair is safe and effective.
Owner:烟台市莱阳中心医院

Integrated optical fiber laser

The invention provides an integrated optical fiber laser, which comprises a cooling column, a pump module and a gain optical fiber, wherein the cooling column comprises a cooling column main body in a hollow cylinder shape or a hollow truncated cone shape; cooling liquid is filled in the cooling column main body; the pump module is arranged on the surface of a hollow part of the cooling column main body, connected with a power supply and used for generating pump laser; and the gain optical fiber is wound on the outer surface of the cooling column main body, connected to the output end of the pump module through a highly-reflective optical fiber grating, connected to the output end of the integrated optical fiber laser through a lowly-reflective optical fiber grating and used for performing gain output on the pump light which is generated by the pump module. The integrated optical fiber laser has the advantage that by fully utilizing the surfaces of the cooling column, including the inner surface and the outer surface, the heat dissipation capacity of a high-power optical fiber laser can be effectively improved.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Lamp structure

A lamp structure includes a lamp housing, a light-guiding module, a light source module, and a fastening piece. The lamp housing includes a bottom wall and an annular side wall, where the side wall connects to the bottom wall to define a receiving space. The bottom wall has a positioning portion. The light-guiding module is disposed in the receiving space surrounded by the light source module. The light source module includes a circuit board and a plurality of light source units. The circuit board includes a projection portion engaging with the positioning portion. The fastening piece includes a fastening portion releasably attached to the lamp housing to provide structural stability.
Owner:ENLIGHT

Bill stacking device of finance equipment terminal

The invention discloses a bill stacking device of a finance equipment terminal. The bill stacking device comprises a bill friction assembly, a separating assembly, a bill pressing plate and a bill pressing plate driving mechanism. The bill stacking device is characterized in that the bill stacking device further comprises an auxiliary bill stacking assembly; and the auxiliary bill stacking assembly comprises a driving support arranged in a swinging manner, a front limiting block and a rear limiting block which are arranged corresponding to the driving support and used for limiting the swinging amplitude, a swing linkage mechanism in transmission connection with the driving support and the bill pressing plate driving mechanism, and an auxiliary bill friction blade which is rotationally arranged on the driving support and is in transmission connection with the bill friction assembly through a friction driving mechanism. According to the invention, one dual-station auxiliary bill friction blade is arranged, the auxiliary bill friction blade and a bill toggle blade are utilized to simultaneously to toggle a bill so as to force the bill to move towards the bill pressing plate, and the upper part and the lower part of the bill are stressed at the same time, so that the fill is stressed uniformly, and the stacking effect is substantially improved.
Owner:CASHWAY FINTECH CO LTD

Electrode structure including insulating layer, manufacturing method thereof, and electrochemical device including the electrode

Disclosed is a method for manufacturing an electrode structure including (S1) coating and drying a slurry for an electrode active material layer on an electrode current collector placed on a heated bottom surface, (S2) coating and drying a slurry for an insulating layer including inorganic particles, a binder, and a solvent, on a heated roller located at a predetermined distance from the bottom surface, and (S3) transferring the dried slurry for an insulating layer to the dried slurry for an electrode active material layer on the bottom surface, and thermo-compressing the dried slurry for an insulating layer and the dried slurry for an electrode active material layer, to form an insulating layer on an electrode surface.
Owner:LG ENERGY SOLUTION LTD

Method for preparing silicon-carbon composite negative material by low-temperature plasmas

The invention discloses a method for preparing a silicon-carbon composite negative material by low-temperature plasmas. The method comprises the following steps: preparing a nanometer silicon complex:adding nanometer silicon, a silane coupling agent, an additive and a catalyst into an organic solvent, uniformly mixing and stirring the components, and carrying out low-temperature plasma treatment,ultrasonic dispersion, chemical vapor deposition and surface modification to obtain the silicon-carbon composite negative material. The method has the beneficial effects that the silane coupling agent and the catalyst are treated with the low-temperature plasma technology to generate charged particles and active components for acting on the nano silicon, and then the nano silicon / silicon monoxidecomposite material is obtained through carbonization and reduction; and the composite material has the characteristics of being high in specific capacity, high in structural stability, high in consistency and the like, so that the cycle performance of the material is improved.
Owner:石家庄尚太科技股份有限公司 +1

Card connector

The invention provides a card connector. The card connector comprises an insulating body, a plurality of conductive terminals, a shielding shell and a card withdrawing mechanism. Each conductive terminal comprises a holding part held on the insulating body, a contact part extending out of the insulating body from the holding part, and a welding part. The shielding shell forms an accommodating space. The shielding shell comprises a top plate and two side plates extending downwards from the two sides of the top plate. The card withdrawing mechanism is located in the accommodating space and abutsagainst one of the two side plates. The card withdrawing mechanism comprises a push rod and a driving part linked with the push rod. The shielding shell further comprises a fool-proof part formed byextending downwards from the side edge of the side, close to the card withdrawing mechanism, of the top plate. The fool-proof part comprises an elastic supporting part formed by extending backwards from the edge of the rear end of the fool-proof part. The elastic supporting part transversely supports the inner side surface of the push rod so as to prevent the push rod from shaking. The structuralstability is improved.
Owner:KUNSHAN JIAHUA ELECTRONICS

Riveting and pressing integrated tool for air cover pressing

The invention discloses a riveting and pressing integrated tool for air cover pressing. The tool comprises an upper die plate and a lower die plate, a positioning column is arranged on the upper portion of the lower die plate, a limiting column is arranged on one side of the positioning column, the top end of the positioning column is connected with a fixing seat, a stator is arranged on the fixing seat, and the upper portion of the stator is provided with an air cover; and the lower die plate is connected with the upper die plate through a connecting column, an air cylinder connecting block is arranged on the upper die plate, a pressing head is arranged at the bottom of the air cylinder connecting block, and a riveting pin seat is arranged on the pressing head. According to the riveting and pressing integrated tool for air cover pressing, one-time forming can be achieved, the labor, the cost of the tool and the forming time are saved, the effect obtained through the original complicated multiple-steps can be achieved at one time, and the formed qualified product rate of the tool is far higher than that of step-by-step forming; the tool flexibility is very high, and the occupied space is small; the easy-loss part is convenient to replace, the overall structural stability of the tool is high, operators can place materials conveniently and rapidly, and no risk can be generated; and one tool achieves two functions, so that the time and the materials are saved.
Owner:徐州格雷安环保设备有限公司

Magnetic composite gel microspheres and preparation method thereof

The invention provides magnetic composite gel microspheres. The magnetic composite gel microspheres comprise modified nanometer Fe3O4 microspheres and polymers cross-linked on the surfaces of the modified nanometer Fe3O4 microspheres, wherein the polymers comprise polyacrylonitrile and acrylic-acrylamide copolymers; and the modified nanometer Fe3O4 microspheres are silane coupler modified nanometer Fe3O4 microspheres. The magnetic composite gel microspheres provided by the invention concurrently have high-blocking intensity of inorganic components and water absorption expanding, migration and deformability of organic components, have favorable application potential, have super paramagnetism, can realize magnetic separation when breaking through oil layers to discharge along with produced liquid, and are suitable for magnetic water plugging in oil wells. Tests prove that the water absorption rate of the magnetic composite gel microspheres provided by the invention under the condition of 70 DEG C is more than 90g / g, and the water absorption rate of the magnetic composite gel microspheres at low temperature is relatively low, so that the phenomenon that the magnetic composite gel microspheres absorb water to be expanded before being pumped into shafts is avoided, and the construction properties of the magnetic composite gel microspheres are good.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

High-strength anti-crack environment-friendly concrete and preparation process thereof

The invention provides high-strength anti-cracking environment-friendly concrete and a preparation process thereof. The recycled concrete is prepared from the following components in parts by mass: 350 to 480 parts of PC42.5 cement, 50 to 150 parts of fly ash, 450 to 600 parts of recycled lightweight aggregate, 120 to 180 parts of coated sponge iron, 5 to 20 parts of fluorocarbon modified polyacrylamide copolymer, 40 to 70 parts of sodium bicarbonate, 60 to 120 parts of polyphenyl granules, 1 to 2.5 parts of polycarboxylic acid water reducing agent and 160 to 250 parts of mixing water, wherein the recycled lightweight aggregate comprises waste ceramsite concrete blocks and waste rock wool boards, and the coated sponge iron comprises sponge iron, borax, a polyvinyl alcohol solution and rice husks; through optimization of raw material selection and matching and application of the recycled aggregate, the concrete is green and environment-friendly, prefabricated activation components are specifically arranged, the synergistic effect, high strength, crack resistance and mechanical properties are obviously improved, the performance is lasting and stable, and the method is worthy of popularization and application.
Owner:江苏中砼新材料科技有限公司

Supported catalyst for coal gasification and preparation method thereof

The invention discloses a supported catalyst for coal gasification. The catalyst comprises a catalyst active component, a catalyst promoter and a carrier, wherein the catalyst active component refers to alkali metal carbonate, and accounts for 5-20% of the total weight of the catalyst; the catalyst promoter refers to a composite oxide, and accounts for 20-40% of the total weight of the catalyst, and the structure of the catalyst promoter is AxA'1- xByB'1-yO3; the carrier refers to silica or gamma-Al2O3, and accounts for 40-75% of the total weight of the catalyst. According to the invention, in a mode of adding the catalyst promoter, the catalytic activity of the active component for coal gasification is promoted, and the volatilization loss of the active component is suppressed, and meanwhile, the catalyst promoter is supported on the carrier with a higher specific surface and an enough strength, so that the original structure and catalytic activity of the catalyst after being reacted are still kept, and then the catalyst can be recycled so as to achieve the purpose of reutilization.
Owner:河北中科能源有限公司 +1

Composite carrier SCR denitration catalyst and preparation method thereof

The present invention discloses a composite carrier SCR denitration catalyst which comprises a composite carrier, an active component, an auxiliary agent and a lubricant with a certain mass ratio; thecomposite carrier is a mixture of anatase type nano titanium dioxide and metal ion-modified attapulgite, and the activity component is vanadium pentoxide. By acidizing the attapulgite, the specific surface area is increased, the active sites are increased, and the adsorption capacity of easily poisoned elements in the flue gas is enhanced, so that the catalyst has better anti-poisoning ability. The metal ion-modified attapulgite and the nano titanium dioxide are used as a catalyst carrier, so that the catalyst reaction temperature range is broadened to 160 DEG C-420 DEG C, and in the temperature range, the catalyst is high in denitrification efficiency, good in stability and good in selectivity, and can be used for various types of industrial furnace denitrification. By taking attapulgiteas a main material, the cost of production is effectively reduced. The nano titanium dioxide particles can be packed into gaps of the attapulgite skeleton, thereby enabling the catalyst to be strongin structure stability, uneasy to crack after calcination at a high temperature and high in wear resistance.
Owner:DATANG NANJING ENVIRONMENTAL PROTECTION TECH

Laser desorption ionization mass spectrometry detection method

The invention discloses a laser desorption ionization mass spectrometry detection method. The method includes the following steps: (1) preparing an efficient light absorbing material as a sample substrate; (2) dropping a to-be-detected sample into the sample substrate, and drying the to-be-detected sample; and (3) performing laser desorption ionization mass spectrometry analysis. The desorption ionization of organic and biomolecules can be effectively realized by using the efficient light absorbing material as the sample substrate of laser desorption ionization, and fragment ions are hardly generated; mass spectrometry detection and analysis on various samples such as carbohydrate, amino acid, metabolite and drug molecules can be realized; and good signal to noise ratio, repeatability, high sensitivity and high salt tolerance can be realized; through the method, complex sample preparing processes are not needed, the addition of organic matrixes are not needed, and there is no background peak interference at low quality end; and a general, simple, efficient, fast and sensitive soft ionization detection method can be provided for various biomolecules.
Owner:TSINGHUA UNIV

Friction test device for steel wire rope

The invention relates to a friction test device for a steel wire rope. The steel wire rope includes a center steel wire and an outer steel strand arranged around the steel wire. The friction test device comprises a fixed rack and a test assembly arranged on the fixed rack, the fixed rack is provided with a saddle connected to the steel wire rope, and the test assembly is provided with a tension meter. The friction test device for the steel wire rope provided by the invention can test the friction coefficient and slip characteristics of the steel wire rope and the saddle, reduce the floor space and use cost of the test device, and improve the similarity of test data and actually used data.
Owner:CHINA ELECTRIC POWER RES INST +1
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