114results about How to "Improve damage effect" patented technology

The invention relates to a flocculation reactor with a special-shaped spoiler, and the flocculation reactor provided by the invention comprises a reactor shell, a stirrer arranged in the middle part of the reactor, special-shaped baffles arranged on the inner wall of the reactor and spoiler grids arranged on an upper head, wherein the upper part of the side wall of the shell is provided with a material charging port, and the bottom part of the side wall of the shell is provided with a material discharging port; the forms (the shapes of the axial cross sections) of the special-shaped baffles comprise bulges in a sine shape, a wave shape, a semicircular arc shape, a circle shape or an irregular shape; the baffles are arranged vertically, obliquely or horizontally; and multiple baffles are uniformly or irregularly scattered or continuously fixed on the inner wall of a flocculator. The height, width and thickness of the spoiler can be changed along the circumference direction or axial direction of the inner wall of the reactor. The spoiler and the stirrer are matched through different forms, thereby fully mixing a flocculating agent with liquid, improving the shearing rate of fluid, reducing dead zones of a flow field, enhancing a micro-vortex and achieving the purposes of strengthening a flocculation flow field and enhancing the flocculation effect. The flocculation reactor provided by the invention has the advantages of simple structure, high flocculation efficiency, low cost and good application prospect, and is convenient in installation and maintenance.

The invention discloses a non-pillar sublevel mining cemented filling mining method. The method is characterized in that sublevels are used as stoping units; stoping drifts are arranged in a staggered way in upper and lower sublevels; rhombic components are stoped in a sublevel mining way; the paces are the basic stoping units; deep hole breakdown is performed in upward fan shapes; multi-row hole short-delay blasting is performed; ore removal is performed under the barnyard condition; after the mining, the cemented filling is performed in time; and rhombic cushions capable of being cyclically used for filling partition wall reserved blasting compensation spaces, blasting free surfaces and the like of the partition wall are used, so that a series of problems of complicated and expatiatory production process, low mining efficiency, high mining cost and the like of the existing top slicing horizontal stoping drift cemented filling mining method can be solved under the condition of steeply-inclined large and thick ore bodies.

The invention provides a welding repair material for repairing a coking furnace and a method for repairing the coking furnace. The welding repair material comprises the following components in percentage by weight: 1-3% of metal aluminium powder, 5-8% of metallic silicon powder, 2-5% of mineralizing agent, 65-85% of silica fume or quartz powder and 10-20% of quartz sand. The method for repairing the coking furnace comprises the steps of spraying the welding repair material for repairing the coking furnace onto a wall brick surface of a high temperature furnace to be repaired along with an oxygen-enriched gas and carrying out an oxidation reaction, so that the welding repair material is partially molten and adhered on the wall brick surface of the coking furnace to be repaired, and a ceramic repairing layer is formed. The welding repair material for repairing the coking furnace has the advantages that secondary resources such as coal ash and silica fume are taken as raw materials, high-efficiency comprehensive utilization of the secondary resources is realized, and production cost of the welding repair material is reduced; besides, aluminium and silicon metals are added, so that spontaneous heating sintering is realized, and no high temperature high pressure gas is adopted when the welding repair material for repairing the coking furnace is adopted for repairing the coking furnace; content of silica in the welding repair material for repairing the coking furnace is more than 90%, so that the welding repair material for repairing the coking furnace is a highly silicious welding repair material and has a good silica brick breaking effect when being used for repairing the coking furnace.

The invention relates to a missile control method based on a to-ground perpendicular strike guidance law. The method comprises the steps that (1) a missile and target relative motion mathematical model is established, the aim of constraining the missile strike angle can be indirectly achieved by assigning the missile and target relative motion speed, and an optimum control model containing strikeangle constraining is established; (2) a Schwartz inequality method is used for deriving a solution of an optimal control problem, that is, a relation expression of a missile overload command, the estimated strike time and the missile and target relative speed is obtained; and (3) the missile and target relative speed and the missile and target relative distance are obtained through missile-bornedetection equipment, a missile-borne computer is used for calculating the missile and target remaining flight time, the missile overload command is formed by using the guidance law, and a missile is manipulated to strike the target with a vertical attack angle. The guidance law can make the missile strike the target vertically, the characteristics such as the simple structure, easy realization andthe optimal result are achieved, and the damage effect on the to-ground target can be improved.

The invention discloses a composite synergistic close-graded ultrathin wearing layer asphalt mixture which comprises the following ingredients in parts by mass: 100 parts of mineral aggregate, 5.4-5.8 parts of SBS (styrene-butadiene-styrene) modified asphalt and a composite synergist with the mass accounting for 0.30-0.40% of the total mass of the mineral aggregate, wherein the mineral aggregate comprises the following ingredients by mass percentage: 95-96% of basalt aggregate and 4-5% of limestone mineral powder. The workable performance and high temperature property of the asphalt mixture are improved mainly by adding the composite synergist which mainly comprises polyoxyethylene, and the thin curing asphalt mixture which is low in cooling rate, easy to compact, good in workable performance, strong in high temperature stability, good in skid resistance and small in paving thickness is provided by optimizing graduation of the asphalt mixture, the amount of asphalt and volume indexes of the asphalt mixture.

The invention relates to a movable building structure and a making method thereof. The movable building structure is characterized in that the movable building structure comprises a bearing frame and a building enclosure fixedly connected to the bearing frame through bolts, and a doorway for mounting a door or a window opening for mounting a window is formed in the building enclosure according to the position of the door or the window; the bearing frame comprises stand columns, main girders connected between the stand columns and secondary girders connected between the main girders; the stand columns, main girders and secondary girders are each provided with two pairs of box iron arranged at intervals and with inwards-turned edges, the cold-formed thin walls of the box iron are in a C shape, two wings of one pair of box iron are welded to the backs of two webs of the other pair of box iron, the inner surfaces of the stand columns, or the main girders or the secondary girders are enclosed to form a through strip-shaped cavity, and the section of the cavity is square or rectangular; the stand columns and the main girders are each provided with a plurality of brackets and connection plates with mounting holes at intervals in a welded mode, and the bottom of each stand column is fixedly connected with a column foot; the two ends of each main girder and the secondary girder are each provided with a head plate with mounting holes in a welded mode. The multi-layer movable building structure can be used temporarily as well as permanently.

The invention discloses a novel compound quaternary ammonium disinfectant that can be prepared by mixing the component materials as below in proportion by share: 68-72 shares of dialkyl(C8-10) dimethyl ammonium chloride, 20-30 shares of dodecyl benzyl dimethyl ammonium chloride, 1-3 shares of glutaraldehyde and 2-6 shares of dialkyl(C8-10) dimethyl amine. The disinfectant can meet the requirement for disinfectant with high efficiency. The killing rate of the spores of bacillus subtilis var.niger and bacillus anthracis in 3-5 minutes is higher than 99% at 40ppm, and the disinfectant has preferable destructive effect on HBsAg at 50ppm. The killing rate of E.coli and Staphyloccocus aureus Rosenbach is higher than 99% at 30ppm. The killing rate of fowl plague virus is higher than 99% at 50ppm. The disinfectant can block the spread of H5N1 and H9N2 avian influenza virus as well as Newcastle disease virus among the chicken embryos effectively.

The invention discloses a method for monitoring a using state of large medical equipment based on a hall current and image changing. The method comprises: step one, a hall current sensor detects the operating current intensity of large medical equipment and a display image of the large medical equipment is also collected, the display image is converted into a gray level image, and an image changing rate is calculated; step two, a cluster analysis is carried out on the operating current intensity and the image changing rate and thus the operating current intensity and the image changing rate correspond to different using states, wherein the using states at least include a shutdown state, a standby state, and an operating state; and step three, the operating current intensity and the image changing rate of the large medical equipment are collected in real time, and a corresponding using state is obtained based on a cluster result. Therefore, a non-linear state analysis can be carried out on the using state of the large medical equipment automatically without any manual intervention and accurate using state information also can be obtained.

The invention discloses a carbon fiber concrete for construction cold joints and a preparation method of the carbon fiber concrete. The carbon fiber concrete has the matching ratios including the water-cement ratio of 0.5, the carbon fiber volume rate of 0.70%, the water matching ratio of 160 kg/m<3>, the cement matching ratio of 320 kg/m<3>, the sand matching ratio of 727 kg/m<3>, the stone matching ratio of 1185 kg/m<3> and the sand ratio of 38%. In the preparation process, cement, sand and stone are dry-stirred, then carbon fiber is added to be evenly mixed, then water is added to be wet-stirred, lightweight aggregate concrete is filled in a test piece mold at a time to be molded by casting, and finally the surfaces of all test pieces are wrapped by cloth so that the humidity and temperature of the test pieces can be kept and wet curing can be conducted. Due to the addition of carbon fiber, the characteristics of bonding surfaces of aggregate and cement mortar are improved, the internal structure of the concrete is optimized, and therefore the characteristics of the materials are brought into full play; due to the carbon fiber, the effects of enhancing, toughening and crack arresting are achieved on the concrete, and the structural performance of the concrete is optimized.

The invention discloses a vibration type point load tester. The vibration type point load tester is formed by a static loading unit and a vibration loading unit, wherein the static loading unit is formed by mounting a static pressurizing device (4) on a bottom platform of a bracket (7); the vibration loading unit is characterized in that a vibration motor (1) is mounted on an upper platform of the bracket (7); an upper pressurizing cone (2) which is vertically arranged and the bottom of the vibration motor (1) are connected to form a whole body; a lower pressurizing cone (3) is connected with an upper pressurizing piston of the static pressurizing device (4) and can move up and down through a central hole of a separation plate; the upper pressurizing cone (2) and the lower pressurizing cone (3) are located on the same axial central line; a rock test piece (15) is placed between the upper pressurizing cone (2) and the lower pressurizing cone (3). The vibration type point load tester disclosed by the invention inherits the advantage that a conventional point load tester is light and easy to carry; meanwhile, the capability of applying a vibration load is further increased. The vibration type point load tester can be conveniently carried to a construction site to test the strength of movable and static point loads of the test piece. The invention provides the unique vibration type point load tester for rock mechanics researches.

The invention discloses a foam disinfection composition with sterilization and skin care functions as well as a preparation method and application of the foam disinfection composition. The compositioncomprises the following raw materials in percentages by mass: 1-10% of bioactive mineral leaching solution, 0.03-2.0% of a disinfectant, 0.1-3.0% of a surfactant, 0.1-2.0% of a foam stabilizer, 0.2-5.0% of an emollient, 0.01-5.0% of a moisturizer, 0-5.0% of vitamin, 0-0.5% of essence and the balance of water. The foam disinfection composition generates abundant, fine and stable foam, has the characteristics of high sterilization speed and high sterilization rate, and meanwhile can play roles in moisturizing skin and repairing damaged skin.

The invention belongs to the field of aero-engines and gas turbines, and particularly relates to an outlet rotation measuring mechanism for the turbine performance test. The rotary motion of a rotation measuring mechanism is realized in the form of a bearing support, wherein the coaxiality and the strength of the rotation measuring mechanism are guaranteed. The problem that a rotation mechanism isclamped or damaged during the testing process is solved. Meanwhile, a hole-free integral sealing structure is adopted for the sealing design at the inner end of the mechanism, and a wiring area is isolated from a test gas area. In a relative motion area at the outer end of the mechanism, an ingenious and adjustable sealing size structure is adopted, so that the sealing size can be flexibly adjusted according to the actual assembling condition. Finally, the optimal sealing effect is achieved. The air leakage problem of the rotation measuring mechanism during the testing process is solved. Themechanism is simple in structure, easy to machine and install, good in anti-blocking effect and part damage prevention effect, and excellent in air leakage prevention effect.

The invention belongs to the field of food processing and relates to a shinyleaf yellowhorn oil extraction method. The extraction method comprises the following steps: picking shinyleaf yellowhorn nuts, crushing, carrying out enzyme deactivation, carrying out ultrasonic pretreatment, adding pectinase, cellulase and an accelerator, carrying out enzymolysis, and carrying out centrifugation, thereby obtaining shinyleaf yellowhorn oil, wherein the pectinase accelerator is (2,4,6-trihydroxyphenyl)-4-(4-hydroxyphenyl)pyrazole. A preparation method comprises the following steps: dissolving genistein into ethanol, then, subjecting oil-bath heating together with hydrazine hydrate, carrying out reflux reaction, and then, cooling to room temperature; after a product is cooled, adjusting the pH value to generate precipitates; re-crystallizing the precipitates, and drying so as to obtain products. The shinyleaf yellowhorn oil extraction method provided by the invention has the advantages that the defects are overcome, the process is simple, the types of equipment are few, the operation is easy, the oil yield is high, the quality of the oil is good, the process is simple and safe, the oil preparation period is short, the cost is low, and shinyleaf yellowhorn protein or shinyleaf yellowhorn protein peptide can be prepared simultaneously.

The invention discloses a modeling and analyzing method of an interlaced and laminated mixed laminated composite material laminated board. The method comprises the following steps of designing an interlaced and laminated mixed laminated structure; generating a basic lamination layer model and a basic interweaving layer model; establishing a 3D model of the interlaced and laminated mixed laminatedcomposite material laminated board; and setting the material attributes, boundary conditions and loading modes for the established 3D model of the interlaced and laminated mixed laminated composite material laminated board to realize the finite element analysis of the mechanical properties of the interlaced and laminated mixed laminated composite material laminated board. According to the invention, the composite material laminated board model of various interlaced and laminated laminations is automatically generated according to the lamination parameters; the mixed design of the interlaced laminated structure of the weak link of the interlayer performance of the composite material laminated board under different load conditions can be guided, and the strengthening effects of the mixed structure on the composite material laminated board can be predicted, including the interlayer performance, the bending resistance, the impact resistance and the like.

The invention discloses a treatment method of a soft clay foundation. The method comprises the steps that a, multiple water drainage plates (2) are inserted; b, multiple liquid injection pipes (3) are inserted; c, a horizontal liquid injection pipe network communicating with the top ends of the vertical liquid injection pipes (3) is laid and communicates with a liquid injection pump (6); d, a coarse sand cushion layer (7) is laid, a horizontal filtering pipe network communicating with the top ends of the water drainage plates (2) is buried in the coarse sand cushion layer (7), and the filtering pipe network communicates with a vacuum pump (10); e, a sealing system is laid on the coarse sand cushion layer (7); f, the vacuum pump (10) is started for beginning vacuumizing; g, the liquid injection pump (6) is started, and a curing agent of a bio-enzyme solution is pressed into the foundation; and h, after liquid injection is completed for a period of time, the vacuum pump (10) is started again, and vacuumizing continues to be carried out until sedimentation is stable basically. The method enables free water and bound water to be effectively drained out of the soft clay foundation.

The invention provides an intelligent deicing robot for cables based on spiral cutting, which relates to the technical field of intelligent robots. The intelligent deicing robot for cables based on spiral cutting includes a connecting rod. Suspension frames are fixedly installed on the two sides of the connecting rod. A moving device is fixedly connected inside the left suspension frame. A deicing device is fixedly connected inside the connecting rod. Guide wheels are rotationally connected inside the right suspension frame. The connecting rod and the suspension frames are provided with wire inlets at the front end. The top of the suspension frames is rotationally connected with a driving wheel. The intelligent deicing robot for cables based on spiral cutting realizes automatic deicing of cables, improves the deicing efficiency, and avoids the safety accident caused by artificial deicing by people staying on the tower for a long time. A spiral cutting mode is adopted, the expansion degree of the stripping knife can be adjusted according to the thickness of cables, and the deicing effect is improved.

The invention discloses nano composite toughened oil well cement and a preparation method and application thereof. The nano composite toughened oil well cement is characterized by being prepared from,by weight, 100 parts of cement, 0.5-5 parts of self-assembled carbon nanotube/nano carbon black, 0.1-1.0 part of a dispersing agent, 0.2-0.9 part of a retarder, 0-2 parts of a fluid loss agent, 0-0.5part of an antifoaming agent and 40-60 parts of water. The self-assembled carbon nanotube/nano carbon black is prepared from an electrostatic self-assembly process and is in a grape bunch structure.Under low doping of self-assembled carbon nanotube/nano carbon black, oil well cement slurry which is high in stability, free of sedimentation, high in rheological property, adjustable in thickening time and low in water loss can be prepared according to a traditional process, hardened oil well set cement has excellent characteristics including low elasticity modulus and high ultimate compressivestrength, the problem that an oil well cement sheath is prone to cracking in a unconventional complex load environment can be solved, long-term cementing integrality in well cementation is guaranteed,the service life of an oil-gas well is prolonged, and the recovery ratio is increased.

The invention provides a Chinese traditional medicine compound injection and preparation method, wherein the compound comprises Notoginsen triterpenes, ammonium glycyrrhizinato, sodium chloride, glucose, mannitol, lactose, sorbitol, dextran as the clinically accept, osmoregulation agent, freeze drying excipient and water for injection. The components can be prepared into injection, high volume injection and freeze dried injection.

The invention discloses an amphiphilic small molecular surfactant based on cholesterol and phosphorylcholine and a preparation method thereof. The amphiphilic small molecular surfactant has the following advantages that the prepared small molecular surfactant utilizes biomolecules cholesterol and phosphorylcholine as the structural elements and has good biocompatibility; in the preparation process, the properties of the amphiphilic small molecule can be adjusted by changing the length of linear alkyl between the hydrophilic and hydrophobic parts and the distances between centers of charges in phosphorylcholine groups; the small molecular surfactant has good hydrophilicity, the formed aqueous solution has stable properties, is not easy to damage due to impacts of change of the pH value in the water environment and change of ionic strength and can be used under wide conditions; and the small molecular surfactant has cheap preparation raw materials, simple and convenient technology and higher yield; therefore the amphiphilic small molecule has very broad application prospects in the biomedical field and in the aspect of cosmetic, food, nano particle preparation and the like. The amphiphilic small molecular surfactant based on cholesterol and phosphorylcholine has the molecule structural formula shown in the specification, wherein in the formula, m is equal to 2-20 and n is equal to 2-8.