219results about How to "Improve resilience" patented technology

The invention discloses a surface-modification three-dimensional-network-carbon-fiber-reinforced composite material and a preparing method.Three-dimensional carbon fiber frameworks with different bore diameters are prepared as required, and after surface pretreatment, diamond, carbon nanometer tubes and graphene are subjected to chemical vapor deposition; then the mixture and matrix materials are compounded, wherein the matrix materials are metal or polymers; the carbon-fiber-reinforced metal-based or polymer-based composite material with the three-dimensional net-shaped framework structure is obtained.A three-dimensional continuous heat conduction channel is formed in the composite material through the surface-modification three-dimensional net-shaped carbon fibers, and therefore the heat conduction performance of the composite material is greatly improved; meanwhile, according to space distribution of carbon fibers in the matrix material, the mechanical performance of the composite material can also be improved, and the density and the thermal expansion coefficient can be decreased; the thermal expansion coefficient, the mechanical performance and the thermal performance can be further regulated and controlled by adding zero-dimensional particle reinforcement.

The invention provides an electronic image stabilization method based on characteristic coupling. The method comprises the following steps: (1) motion estimation: estimating motion parameters of a present frame and a previous frame to obtain a global motion vector and a local motion vector; (2) motion filtering: employing a Kalman filter to carry out filtering on the global motion vector, and obtaining a willful scan vector, wherein difference between the global motion vector and the willful scan vector is a vibration parameter needs to compensate; (3) motion compensation: utilizing a compensation parameter obtained by filtering carrying out frame by frame compensation; (4) video restoration: by utilizing space-time redundant information of video, carrying out restoration on the local motion vector with a motion restoration method and guiding pixel point filling. In order to solve motion carrier vibration influence on video shooting effect, the invention provides the electronic image stabilization method based on characteristic coupling. The method has the advantages of high accuracy, good anti-noise performance, strong tracking performance, good boundary consistency and the like.

An MEMS weapon security apparatus includes a monocrystalline silicon substrate, the monocrystalline silicon substrate is sequentially provided with a silicon dioxide insulation layer and a monocrystalline silicon structure layer, the monocrystalline silicon substrate is also provided with a circular acceleration bore hole, and a bayonet pin mechanism, a pawl mechanism and a separation mechanism are made in the monocrystalline silicon structure layer, wherein the movable bayonet pin in the bayonet pin mechanism, the pawl in the pawl mechanism and the explosion-proof separation plate in the separation mechanism are engaged through a tooth-shaped structure, the explosion-proof separation plate shields the acceleration bore hole and is connected with the monocrystalline silicon structure layer through an S-shaped silicon spring, a flyer hole and the acceleration bore hole are arranged in an offset manner, the bayonet pin mechanism and the pawl mechanism are respectively driven by a thermoelectric effect, a V-shaped thermoelectric executor generates certain thermal deformation under a corresponding work voltage, and a lever amplifies the thermal deformation and uses the amplified thermal deformation to drive the bayonet pin and the pawl to complete corresponding actions. The MEMS weapon security apparatus has the advantages of low cost, high intelligence and easy integration.

The invention discloses a telephone receiver provided with an improved structure. The telephone receiver comprises a shielding shell, a moving iron unit, a conduction rod, an armature and a vibrating film, wherein the moving iron unit, the conduction rod, the armature and the vibrating film are arranged in the shielding shell. The two ends of the conduction rod are connected with the armature and the vibrating film respectively, the moving iron unit drives the armature to vibrate up and down and accordingly the conduction rod is driven to drive the vibrating film to vibrate up and down; the shielding shell comprises a shell cover and a shell body in the vibration direction of the vibrating film, and the edge of the front side and the edge of the back side of the vibrating film are connected with the shell cover and the outer wall of the shell body respectively. The telephone receiver provided with the improved structure is simple in manufacturing technology, reduces production cost, and is large in sound loudness.

The invention discloses a semi-active electromagnetic particle damping shock absorber for a railway vehicle, and belongs to the technical field of vehicle shock absorption. A certain shock absorption effect is achieved on transverse vibration and longitudinal vibration while vertical shock absorption is provided. The semi-active electromagnetic particle damping shock absorber comprises an upper cover plate type connector, a lower cover plate type connector, a rubber spherical hinge, pin shafts, an external round spring, a shell, shock absorption particles, wear-proof metal separation layers and inductance coils. The shell is divided into an upper groove and a lower groove, the wear-proof metal separation layers are arranged in the upper groove and the lower groove, the shock absorption particles of a certain volume and lubrication oil of a certain amount are arranged in the separation layers, and the inductance coils are arranged in the wear-proof metal separation layers and the grooves. The upper connector is fixedly connected with one end of the shell. The lower connector and the other end of the shell are welded. The rubber spherical hinge and the pin shafts are assembled, and the shock absorber and a bogie are connected together according to standards. Through the damping effect generated by collisions between the particles and collisions between the particles and the wall of the shell, vibration transmission from wheels to a framework is rapidly attenuated, and the good shock absorption effect in different directions is achieved. Meanwhile, the size of an electrification magnetic field can be changed according to changes of a running line, then the damping value of the shock absorber is changed, semiautomatic control over the damping effect is achieved, high reliability and large safety redundancy are achieved, and the semi-active electromagnetic particle damping shock absorber adapts to various severe environments.

The invention relates to a goose breeding method. According to the goose breeding method provided by the invention, a ramie garden planted with feeding or oil-fiber dual-purpose ramie is partitioned for carrying out rotational grazing on geese, tender tips of feeding or oil-fiber dual-purpose ramie are taken as the main feeds of geese, and simultaneously, a right amount of complete formula feeds are supplemented. According to the invention, geese are bred through the combination of intensive rotational grazing and reduced feed supplementing without using any chemical pesticides or chemical growth regulators in the process of ramie planting, so that the food security is ensured, the quality of goose meat is improved, the yield of high-quality goose meat is enhanced, and the cost is lowered; meanwhile, the resistance of geese and the adaptability to the environment are increased, thereby reducing the application of poultry medicines; grains are saved, and the ramie land resource utilization rate is improved; and the manpower input for ramie garden production can be reduced, so that the production cost is lowered, and the joint development of the ramie industry and the goose breeding industry is promoted, thereby achieving the coordinating and unifying of industrial development and environmental protection.

The invention relates to a Burkholderia sp. and an application thereof. The invention relates to a Burkholderia sp., which is classified and named as Burkholderia sp., and is preserved in China General Microbiological Culture Collection Center with a preservation number of CGMCC No.16428 on September 6, 2018. The application of the Burkholderia sp. in promoting crop growth specifically comprises the step of preparing the Burkholderia sp. into a microbial seed coating agent. The Burkholderia sp. and the application thereof disclosed by the invention have the following beneficial effects: 1, theBurkholderia sp. can promote crop growth and synthesize growth hormones required by plant growth; 2, stable growth of crops can be kept in an acid-base environment within a certain range; 3, phosphorus in the soil can be converted into available phosphorus for plants, so that the planting cost is reduced, and meanwhile, the environment is protected; and 4, the growth of pathogenic bacteria can beinhibited.

The invention discloses a V type MEMS actuator for a detonator protection device based on buckling amplification. The actuator comprises a monocrystalline silicon substrate, wherein accelerating boring holes are formed in the monocrystalline silicon substrate; a silicon dioxide insulating layer grows on the monocrystalline silicon substrate; a monocrystalline silicon structure and the monocrystalline silicon substrate on which the silicon dioxide insulating layer grows are linked; a metal electrode layer is deposited on anchor points of the monocrystalline silicon structure; the MEMS actuator is prepared in the monocrystalline silicon structure; an etching technique is used for preparing a dynamic structure layer; the thermo electric effect is use for generating corresponding output; parts prepared by using a related MEMS-related technique is small in volume and has the advantages of low cost, high intelligence and easiness in integration.

The present invention provides a sports milk and its production method. Said invention uses the milk as carrier of nutrients, and uses serum protein to raise protein content, and adds the bio-active peptide and SOD so as to make the sports milk possess the functions of inhibiting blood lactic acid increment, raising immunity, preventing fatigue and hyperkinetic syndrome and promoting restoration after sports.

The invention relates to an antioxidation SOD oral spray. The oral spray is prepared, by weight, 0.1-2.0% of superoxide dismutase (SOD), 1.0-5.0% of vitamin C, 1.0-3.5% of trehalose, 0.2-1.0% green tea extract and others is distilled water. The preparing method comprises the steps of 1, weighing each raw material of the formula ratio respectively; 2, dissolving the vitamin C, the green tea extract EGCG and the trehalose into the distilled water and filtering, adopting conventional high temperature sterilization method and cooling to below 25 DEG C to get mixed liquor; 3, adopting conventional radiation sterilization method for SOD and placing the sterilized SOD into the mixed liquor made in step of 2 under the sterile working environment, mixing and dissolving to get mixed enzyme solution; 4, canning the mixed enzyme solution into a spraying bottle with quantitative valves to get the antioxidation SOD oral spray and store the antioxidation SOD oral spray below 25 DEG C. The antioxidation SOD oral spray and preparing method thereof make use of mutual protection and interaction between the SOD and the vitamin C and between the green tea extract EGCG and the trehalose to make the oral spray with good stability, antioxidant and anti-aging functions. The oral spray is absorbed directly by the sublingual mucosa, conveniently to take, improving bioavailability and efficacy of SOD significantly with wide and broad market in future.