129results about How to "Reduce structural damage" patented technology

The invention provides a method for determining the efficacy of a TNFα inhibitor, such as a TNFα antibody, or an antigen-binding portion thereof, for treating ankylosing spondylitis (AS), using a collagen degradation biomarker and / or a synovitis biomarker.

The invention provides a method for determining the efficacy of a TNFα inhibitor, such as a TNFα antibody, or an antigen-binding portion thereof, for treating ankylosing spondylitis (AS), using a collagen degradation biomarker and / or a synovitis biomarker.

The present invention relates to methods for functionalizing a surface, comprising exposing a surface of a polymeric material to an atmospheric pressure glow plasma discharge, wherein exposure to the plasma discharge functionalizes the surface of the polymeric material. The present invention further provides for methods for functionalizing a polymeric material, wherein the functionalized surface has conjugated thereto bioactive agents. The present invention is also directed to compositions comprising a functionalized surface with attached bioactive agents.

The invention relates to the technology transfer of graphene, and in particular to a low cost clean nondestructive transfer method of large area of graphene. According to the method, a target substrate is used as a structure support layer for graphene transfer, firstly, the large area of graphene on an initial substrate is combined with the target substrate, then the large area of graphene is used as an electrode for nondestructive separation of the graphene and the initial substrate by bubbles generated in the process of electrolysis so as to realize the clean nondestructive transfer of the large area of graphene to the target substrate. The target substrate is used as the structure support layer for graphene transfer, so that the transfer step is simplified, breakage of the large area of graphene in the transfer process can be reduced, the graphene surface contamination caused by use of a transfer medium can be avoided, the combination of the graphene and the target substrate can be realized by a reel-to-reel rolling process, large-scale and continuous transfer is easy to realize; by use of an electrolytic nondestructive separation method, damage to the initial substrate can be avoided, the initial substrate can be repeatedly used, and the cost of transfer can be reduced.

The invention discloses a preparation method for a lithium ion battery from an electrode material with a core-shell structure. The preparation method comprises the following steps: cladding titanium dioxide on the surface of a metal-organic framework material by using different precursors under different conditions; performing two-step calcining on the metal-organic framework material to form the core-shell structure of oxide cladded by the titanium dioxide; then mixing the core-shell material with a binder and a conductive agent to obtain the electrode material of the lithium ion battery. According to the electrode material of the lithium ion battery, prepared by the preparation method disclosed by the invention, the metal-organic framework material is used as a template; the metal-organic framework material is converted into metal oxide through calcining and a porous structure of the metal-organic framework material is retained; the metal-organic framework material is coated with the titanium dioxide to form the core-shell structure, so that the dissolution of metal elements in the cycle process of the battery is reduced; besides, the problem about structural damage caused by lithium insertion is relieved, so that the cycle performance of the lithium ion battery is improved.

The invention provides a series connection mechanism locus planning method, comprising steps of calculating change rules of various mechanism joint angles, angular velocity and angular acceleration of the series connection mechanism through a segmented high order polynomial interpolation, performing acceleration restriction on a connection rod which exceeds a locus segment of the acceleration restriction value, and obtaining the time number of the highest order to obtain the corrected locus planning result. In the process of working, the moments of the various joints of the series connection mechanism are dramatically increased, which cause substantial damage to the structure. In the process of planning the polynomial locus, the invention can inversely calculate the highest order time number of the polynomial of the segment locus through restricting the angular acceleration in the stipulated range, finishes the second time planning of the polynomial of the segment locus and guarantees the various joints of the series connection mechanism to work stably.

An electron emission device and a method of manufacturing the same are provided. The electron emission device includes: i) a substrate including a metal tip; ii) carbon nano tubes that are positioned on the metal tip; and iii) a lithium layer that is positioned on the carbon nano tubes.

The invention relates to a laser-stripping method. The method comprises the following steps: firstly, etching an epitaxial layer to define an insulation channel around a crystal grain region after the epitaxial layer is formed on a conversion basal plate and before a supporting basal plate with an adhesive metal layer is combined with the epitaxial layer; and arranging an insulation layer which is not etched between two adjacent insulation channels. Laser can only illuminate the insulation channels and the insulation layers around the crystal grain region by the insulation layers which are not etched every time, and the adhesive metal layer on the insulation channels can only be heated once; outward stress generated by the insulation layers and outward stress generated by the illuminated crystal grain region are mutually counteracted to lessen stress damage generated by the crystal grain region which is illuminated by the laser.

A wheel construction (10) includes a wheel rim (11) which in use receives a (tyre 14), the rim (11) having axially inner and outer portions (16, 15), and a mid-portion (18) between them, and each axially inner and outer portion (16, 15) providing a flange (22), a connecting surface (23) adjoining the flange (22) and extending axially towards the mid portion (18), the flange (22) and a part of theconnecting surface (23) providing a seat for a bead of the tyre (14), and there being a side part (19, 20) between the connecting surface (23) and the mid portion (18), and wherein for at least one of the inner and outer portions (16, 15), the connecting surface (23) is a frusto-conical having an axial end (24) of greatest radius and an axial end (25) of least radius, the connecting surface (23),at its axial end of greatest radius (24), adjoining the flange (22), and the axial end (25) of least radius adjoining a circumferentially extending convex surface (26) which extends radially outwardly of the wheel axis A beyond the end (25) of least radius of the adjoining frusto-conical connecting surface (23), and the side part (19, 20) of the at least one of the axially inner and outer portions (16,15) including a generally frusto-conical region (28) and a curved region (40), the curved region (40) including first and second axially spaced circumferentially extending concave surfaces (41, 42), and the curved region (40) adjoining the end of least radius of the frusto- conical region (28) and the mid-portion (18).

A multi-hull boat 50 comprising a pair of side by side hulls 21, and a wingdeck 22 extending between the hulls 21, wherein the hulls 21 include inner topsides 23 which are adapted to inhibit the hulls 21 from pitching.

A concrete layer of the fabricated concrete pavement is formed by splicing a plurality of prefabricated concrete slabs, pull rods are arranged on the long edges of one sides of the prefabricated concrete slabs, first grooves matched with the pull rods are formed in the long edges of the other sides of the prefabricated concrete slabs, dowel bars are arranged on the short edges of one sides of the prefabricated concrete slabs, and second grooves matched with the dowel bars are formed in the short edges of the other sides of the prefabricated concrete slabs. The pull rods and the dowel bars are embedded into the first grooves and the second grooves of the adjacent prefabricated concrete slabs correspondingly so that the adjacent prefabricated concrete slabs can be assembled. A plurality of tenons are longitudinally arranged at intervals at the bottom of the precast concrete slab, matched mounting grooves are formed in the positions, corresponding to the tenons, of the pavement structure base layer, and the tenons of the precast concrete slab are embedded and locked in the mounting grooves of the pavement structure base layer; and joint filling treatment is carried out on joints between the assembled precast concrete slabs. The common cement concrete plate and the reinforced cement concrete plate can be prefabricated in a factory and assembled on site, the construction speed is high, and the construction period can be greatly shortened.

The invention provides a full swing structural system containing swing columns and swing walls and a construction method of the full swing structural system. The full swing structural system is mainlycomposed of a swing wall part, a frame part and energy dissipation components. The swing walls are hinged to a foundation, and anti-buckling supports are arranged at the two ends of the wall bottoms.The frame part is composed of the elastically recoverable swing columns and frame beams, and the upper ends and the lower ends of the swing columns are connected with the frame beams through recoverable column feet. The swing walls are connected with frames through energy dissipation dampers. Under the action of a horizontal earthquake, the structural system transmits lateral stiffness and interlayer shear force through the swing walls, so that the structural deformation is uniform. The seismic energy is dissipated through the energy dissipation dampers arranged at the side edges of the swingwalls and the anti-buckling supports at the bottoms of the swing walls. The elastic deformation of the swing columns ensures that a frame body does not have yield failures. After the earthquake, thestructural system can be repaired by replacing the anti-buckling supports at the bottoms of the swing walls and the energy dissipation dampers at the side edges of the swing walls.

The invention provides a method for preparing a high-capacity high-rate nitrogen-doped graphene negative electrode material, comprising the following steps of (1) preparing graphene oxide; (2) preparating a graphene oxide suspension; (3) preparing nitrogen-doped porous graphene; and (4) adding the nitrogen-doped porous graphene to a potassium permanganate solution, stirring the mixed solution for30 to 60 minutes, transferring the mixed solution to a reaction vessel to react at 180 degrees centigrade for 30 to 60 minutes, cooling the solution to room temperature, centrifuging the solution andwashing the solution with deionized water and ethanol, and vacuum drying the obtained black product at 80 degrees centigrade for 6 hours to obtain a high-capacity high-rate nitrogen-doped graphene negative electrode material. The method for preparing the high-capacity high-rate nitrogen-doped graphene negative electrode material improves the capacity of the electrode material, and has superior rate performance and cycle stability.

The invention discloses a stable overhanging type double-layer space intelligent cantilever structure system, comprising lattice columns, space cantilever structures, a ring beam and a roof. The lattice columns are lattice columns with rhombic sections, the upper end of each lattice column of the bionic double-layer space cantilever structure imitating dragonfly wings. A movable, limiting and locking balance block is arranged at the end of a main vein of an upper layer space structure in each double-layer space cantilever structure. The ring beam comprises a cantilever upper ring beam, a cantilever lower ring beam and a roof ring beam which respectively serve as a double-layer space cantilever structure upper inner edge, a double-layer space cantilever structure lower inner edge and a roofouter edge, the double-layer space cantilever structures and the lattice columns are annularly distributed, the roof is arranged on the inner sides of the double-layer space cantilever structures, and the lattice columns provide support for the double-layer space cantilever structures and the roof through the ring beam. The cantilever structure is large in span, high in structural safety and stability, low in material consumption and light in dead weight, and breaks through the shape of the cantilever structure.

The invention discloses a location-fixation mechanism for wood plate drilling. The location-fixation mechanism for wood plate drilling comprises a workbench, wherein a fixed base is arranged on the workbench; a support table is fixedly connected to the fixed base; a support rod is fixedly connected to the support table; an adjustment panel is slidably connected to the support rod; a first slide plate is slidably connected to the adjustment panel; a fixed shaft is arranged at the bottom of the first slide plate; a press block is arranged at one end of the fixed shaft; a slide support frame is arranged on the workbench; a second slide plate is slidably connected to the slide support frame; a rotary shaft is arranged on the second slide plate; a rotary disc is rotationally connected to the rotary shaft; and a location device is arranged on the rotary disc. According to the invention, a wood plate is accurately located in a drilling area, and bidirectional limit and fixation effects on a horizontal surface and a vertical surface are conducted on the wood plate to avoid a displacement phenomenon of the wood plate during drilling; drilled holes are uniform in shape and size, and thus the drilling quality is improved; and moreover, the position adjustment of 90-degree rotation can be carried out on the wood plate according to the actual needs of operating personnel, and thus the drilling efficiency is increased.

An intermittent motion transmission mechanism comprises a rotating disc and a camshaft; a plurality of contact parts are arranged on the surface of the rotating disc in the circumferential direction, and each contact part is provided with a hemispherical portion which is exposed out of the disc surface; the camshaft is arranged on one side of the surface of the rotating disc, and comprises a spiral groove; and the bottom of the spiral groove is matched with the hemispherical portions of the contact parts to serve as curved surfaces. The good contact effect between the camshaft and the rotating disc is achieved, and the transmission process is smooth.

The invention relates to a recycled aggregate screening device. The device comprises a rack, a screen drum rotationally connected to the rack, a driving assembly used for driving the screen drum to rotate, a feeding hopper arranged on one side of the rack and used for feeding materials into the screen drum, and a discharging hopper arranged at the lower portion of the screen drum, wherein the rackis rotationally connected with a rotating rod, the rotating axis of the rotating rod is parallel to the screen drum, the rotating rod is provided with a plurality of telescopic rods evenly distributed in the circumferential direction of the rotating rod, rolling balls are arranged at the tail ends of the telescopic rods correspondingly, springs forcing the rolling balls to move in the radial direction away from the rotating rod are arranged in the telescopic rods correspondingly, the screen drum is provided with a plurality of screen holes evenly distributed in the circumferential direction of the screen drum, the outlet ends of the screen holes are provided with first meshing faces allowing the rolling balls to mesh with correspondingly, and when the screen drum rotates, the rotating rodis driven to rotate through meshing of the rolling balls and the first meshing faces of the screen holes. The device has the effect of reducing aggregate blockage.

Disclosed is an aerodynamic driver, comprising a left end cover and a right end cover, wherein an inflation hole is arranged on the left end cover and the two ends of a rubber tube are respectively in sealed connection with the left end cover and the right end cover. The invention is characterized in that the outer side of the right end cover is fixedly connected with a rigid inner neck bush, which is nested on the outside of the rubber tube and can be clung glidingly on the outer wall of the rubble tube; the outer side of the left end cover is fixedly connected with a rigid outer neck bush, which is nested on the outside of the inner neck bush and can be clung glidingly on the outer wall of the inner neck bush.

The invention discloses a preparation method of a protective layer used for a metal lithium anode and application of the protective layer used for the metal lithium anode. The method comprises the following steps that 1, clean copper foil is immersed in a solution containing potassium ferricyanide, PVP and hydrochloric acid for reaction to obtain a copper foil current collector with a surface containing prussian blue film; 2, an aqueous solution containing graphene oxide is subjected to dispensing or spin-coating or self-assembly on the surface of the copper foil current collector obtained inthe step 1, and after room-temperature drying is conducted, a current collector with graphene oxide / prussian blue compound film is obtained. The current collector with the graphene oxide / prussian bluecompound film prepared through the method can be applied into the metal lithium anode. The graphene oxide / prussian blue compound current collector prepared through the method is beneficial for diffusion and transferring of lithium ions and electrons, metal lithium volume change and generation of lithium dendrites in charge and discharge processes are relieved, and dead lithium generation and diaphragm impaling are avoided, so that the recycling and rate performance of the metal lithium anode is improved.

The invention relates to the field of machining and molding of materials, in particular to a molding method of a tubular composite material part. The method comprises the following steps: 1) mounting a special molding tool in a tubular rigid mould; 2) calculating the size of a core model; 3) sequentially wrapping a molding air bag, a nylon film and predregs on the core model; 4) removing the core model and putting into the tubular rigid mould; 5) placing fluid joints at the two ends of the air bag and tying the fluid joints by using high-temperature adhesive tapes; 6) introducing high-temperature gas or liquid into the air bag. According to the molding method of the tubular composite material part, internal stress caused by uneven heating of required products is avoided, the expansive and heavy rigid mould is abandoned, the labor conditions of workers are improved, the energy consumption is reduced to 90% or above, mould and energy source cost are saved, and the price competitive advantage of products is improved.

The invention relates to a feed additive for improving carcass performance and meat quality of finishing pigs. The feed additive is prepared from the following mixed raw materials in parts by weight: 30 to 70 parts of gamma-aminobutyric acid, 20 to 30 parts of vitamin E, 15 to 20 parts of lysine, 10 to 20 parts of curcumin and 855 to 925 parts of medical stone. A preparation method for the feed additive comprises the following steps: stirring the raw materials according to a certain proportion and uniformly mixing raw materials. The feed additive disclosed by the invention can effectively improve the carcass performance and meat quality of the finishing pigs.

The invention belongs to the field of heavy metal pollution treatment on soil in environmental protection and agricultural product safety, and relates to a preparation for reducing damage to corn plants in cadmium pollution environments and a method for applying the preparation. The preparation for reducing damage to the corn plants in the cadmium pollution environments comprises betaine with the concentration of 200-600 micro-mol / L. The optimal concentration of the betaine is 500 micro-M when the concentration of Cd is 50 micro-M, and the concentration of 200-600 micro-mol / L is the effective concentration. The betaine which is an artificial exogenous material is sprayed to the plants, the plants can have stress response, phenomena such as yellowing of the leaves of the plants can occur if the concentration of the betaine is excessively high, and accordingly the preparation with the corresponding concentration needs to be selected according to cadmium pollution degrees of the environments.

Provided is a method for detecting wall shape variation. The method comprises the steps that at least two sensor elements and an optical fiber tension adjusting device are arranged on the upper portion of a main structure of a building to be monitored to form testing points; a building model is built according to the building to be monitored, and the testing points are connected with the built building model through an optical fiber server; the attribute variation of the arranged sensor elements is analyzed according to the optical fiber sever to obtain corresponding optical variable data, and the tension strength of all testing points on the main structure of the building to be monitored is calculated; the variation of the calculated tension strength of each testing point is analyzed, and variation corresponding to a wall shape is described on the building model according to a analysis result. According to the method for detecting wall shape variation, a sensing technology is used, trace distorted split information on a wall is detected and analyzed, the hidden danger of the building is output quickly and flexibly, and the problem that early warning of deformation hidden dangers is difficult to give out to an existing large-scale building reinforced wall structure is solved. In addition, the invention further provides a system for detecting wall shape variation and the building.

A method for preserving an aluminium-salt adjuvant during freezing or drying comprising freezing or drying an aqueous suspension or solution comprising: (a) an aluminium salt adjuvant; (b) a compound of formula (I) or a physiologically acceptable salt or ester thereof or a compound of formula (II) or a physiologically acceptable salt or ester thereof; and (c) optionally, one or more sugars.

The invention discloses a rapid test instrument and a method for obtaining the characteristic water holding curve of soil with a strong structure through a transient state method. The test instrumentcomprises a base made of organic glass. A soil sample container for storing a soil sample is arranged on the base. Between the base and the soil sample container, a volumetric water content testing device and a matrix suction testing device are arranged. The volumetric water content testing device is connected to an electromagnetic wave emitter through a coaxial cable. The matrix suction testing device is connected to a pressure meter through a hard plastic pipe. The volumetric water content testing device and the matrix suction testing device are used to test the volumetric water content andthe matrix suction of a tested soil sample, and the volumetric water content and the matrix suction are associated to obtain the characteristic water holding curve of the soil sample. The structure ofthe rapid test instrument is simple; the soil structure is not destroyed, the process of calibrating the device for testing the volumetric water content is simple, the test is rapid, and the measurement precision is high. The test instrument and method are especially suitable for rapidly testing the characteristic water holding curve of structural soil.

The invention discloses a large deformation protector for anti-seismic control damper. The large deformation protector comprises a protecting shell with an open end and a closed end. A connection is connected to the outside of the closed end of the protecting shell. A sliding guide rod is inserted in the open end of the protecting shell and does reciprocating motion in the same. One end of the sliding guide rod is inserted in the protecting shell, and the other end of the sliding guide rod is exposed out of the protecting shell. The end, inserted in the open end of the protecting shell, of the sliding guide rod is fixedly connected with a slide block doing the reciprocating motion in the protecting shell. The middle inner wall of the protecting shell is provided with slide block positioning ribs used for limiting the slide block. An Austenitic shape memory alloy wire is arranged between the slide block and the protecting shell and applied with prestress Sigma p. One end of the Austenitic shape memory alloy wire is connected with the slide block, and the other end of the Austenitic shape memory alloy wire is connected with the closed end of the protecting end. The large deformation protector is unique in construction, novel and reasonable in design, effective in protecting the anti-seismic control damper from failure, reliable in performance and bright in application prospect.

The invention relates to a method of laser lift-off for a light-emitting diode. Isolation channels are etched on the periphery of each grain area on an epitaxial layer after the epitaxial layer is formed on a conversion substrate and before a support substrate provided with a bonding metal layer is combined with the epitaxial layer, and a non-etched isolation area is arranged between two adjacentisolation channels. Only the isolation channels and the isolation areas on the periphery of the grain area are irradiated by each laser irradiation through the isolation areas and the bonding metal layer on the isolation channels is heated only once. Stress damage generated by the laser irradiation to the grain area is lightened because an outward stress generated by the isolation area and the outward stress generated by the irradiated grain areas cancel each other.

A wheel construction (10) includes a wheel rim (11 ) which in use, at a tyre side (12) of the rim (11 ), receives a tyre (14), the rim (11) being circular and having axially inner and outer portions (16,15), and a mid-portion (18) between the axially inner and outer portions (16,15), the mid-portion (18) including a circumferential well where the radius of the wheel rim (11 ) is a minimum, and each axially inner and outer portion (16,15) providing a flange (22), a connecting surface (23) adjoining the flange (22) and extending axially towards the mid portion (18), the flange (22) and a part of the connecting surface (23) providing a seat for a bead of the tyre (14), and there being a side part (19,20) between the connecting surface (23) and the mid portion (18) and wherein for at least one of the inner and outer portions (16, 15), the connecting surface (23); is frusto-conical having an axial end (24) of greatest radius and an axial end (25) of least radius, the connecting surface (23), at its axial end (24) of greatest radius, adjoining the flange (22), and the side part (20, 19) of the at least one of the axially inner and outer portions (16, 15) including a generally frusto-conical region (28) and a curved region (40), the frusto-conical region (28) at its end of greatest radius (26) adjoining the connecting surface (23), and the curved region (40) including first (41 ), second (42) and third (43) axially spaced circumferentially extending concave surfaces, when viewed from the tyre side (12) of the rim (11 ), the curved region (40) adjoining an end (29) of least radius of the frusto-conical region (28) and the mid-portion (18).

The invention belongs to the technical field of cast-in-situ pile construction. A large-diameter cast-in-situ bored pile head overall breaking system comprises a pile head separation support, isolation sleeves, a first counter-force frame, a second counter-force frame and a driving part, wherein the first counter-force frame and the second counter-force frame are correspondingly arranged up and down; the multiple isolation sleeves are arranged on the pile head separation support, longitudinal main ribs on the upper portion of a steel reinforcement cage of a cast-in-situ pile are arranged in the isolation sleeves in a matched and penetrating manner, and the pile head separation support and the isolation sleeves are poured on the top of the cast-in-situ pile; and a plurality of first counter-force holes are circumferentially distributed in a pile head of the cast-in-situ pile, a plurality of second counter-force holes are circumferentially distributed in the position, on the lower portion of the pile head separation support, of the cast-in-situ pile, and the first counter-force frame and the second counter-force frame are correspondingly arranged in the first counter-force holes and the second counter-force holes correspondingly. The invention further discloses a large-diameter cast-in-situ bored pile construction method. The large-diameter cast-in-situ bored pile head overall breaking system is reasonable in overall design, the problem existing in breaking of the pile head of the large-diameter cast-in-situ bored pile in the prior art can be solved, the breaking efficiency is improved, and the structural damage to a pile body is reduced.