1739results about How to "Ensure structural stability" patented technology

The invention discloses a new energy weather forecast method based on numerical weather forecast and AI revision, and particularly relates to the technical field of weather forecast, and the method comprises the steps: obtaining the historical actually measured weather data of a new energy power station, correcting the numerical weather forecast data of multiple sources through employing an artificial intelligence algorithm, and building a correction model; inputting the current numerical weather forecast data into the correction model for correction, extracting the internal structure characteristics of the correction data in combination with a high-dimensional geometric mapping and manifold learning method, and evaluating the matching degree between the manifold distribution of the correction data and the historical data; analyzing and evaluating the data complexity by using multi-scale entropy, and ensuring that the data meets a preset standard; on the basis of matching degree and complexity evaluation, selecting suitable numerical weather forecast data for new energy short-term and medium-term meteorological parameter forecast; the method improves the prediction accuracy and applicability, and is suitable for the generation power prediction and optimization scheduling of the new energy power station.

The invention relates to the technical field of building safety evaluation, in particular to a building safety performance evaluation method and system, and the method comprises the following steps: collecting the displacement and acceleration data of a building, measuring and checking the quality of the data in real time through an optical fiber sensor, and analyzing and recording the change of the data in combination with a time sequence to obtain real-time monitoring data. According to the method, the real-time performance and accuracy of building safety performance evaluation are remarkably improved by monitoring the displacement and acceleration data of the building in real time and analyzing and recording data changes in combination with a time sequence, potential safety hazards can be found in the early stage by recognizing abnormal modes and potential weaknesses of the building structure, and the safety performance of the building is improved. Through quantitative evaluation of the risk area, the capability of resisting natural and human threats of the building is enhanced, important reference data is provided for future design and construction, and scientificity and advancement of building safety evaluation are improved.

The invention provides a precipitation method of a heavy metal solution. Cations in the heavy metal solution comprise nickel ions, cobalt ions, copper ions, zinc ions and manganese ions, and the precipitation method comprises the following steps: step S100, carrying out a manganese conversion reaction on an alkaline substance by adopting a solution containing manganese ions to obtain a converted manganese precipitate; s200, a stabilizing agent is adopted for carrying out a stabilizing reaction on the converted manganese precipitate, and a stable manganese precipitate is obtained; step S300, adding the stable manganese precipitate into a heavy metal solution for precipitation reaction to obtain precipitate slurry; step S400, continuously carrying out solid-liquid separation on the precipitate slurry to obtain a heavy metal precipitate and a manganese-containing solution; and S500, raw materials including the manganese-containing solution, an oxidizing agent and alkali liquor are subjected to an oxidation precipitation reaction, and a post-precipitation solution and a manganese product are obtained. The method solves the problems of poor sedimentation and filtration performance of a precipitation product, high moisture content of the precipitation product and low precipitation efficiency when heavy metals are precipitated in the heavy metal solution.

According to the tower foot welding and positioning device of the power transmission and transformation iron tower, a supporting steel plate and a reinforcing steel plate are both placed at the upper end of a machining table, two fixing assemblies are symmetrically arranged on the machining table, each fixing assembly comprises two bases arranged in a bilateral symmetry mode and a first sliding groove, and the supporting steel plate is placed between the two bases; a first sliding block in sliding fit with the first sliding groove is arranged at the lower end of the base, the supporting plate can drive the clamping plate to slide by pushing the supporting plate, and therefore the clamping plate can drive the reinforcing steel plate to move on the two sides of the supporting plate, the bottom end of the limiting rod can make contact with the machining table, and through friction force between the limiting rod and the machining table, the reinforcing steel plate can be clamped. And the bottom plate can be limited, so that the positions of the supporting plate and the clamping plate can be fixed, the position of the reinforcing steel plate can be finely adjusted conveniently, and the welding precision of the tower foot can be guaranteed.

The invention provides a ceramic rigid-flex circuit substrate and a preparation method thereof, and the method comprises the specific steps: S1, cleaning a ceramic substrate, and arranging a brazing metal transition layer on the surface of the ceramic substrate; s2, low-melting-point brazing filler metal is sprayed to the surface of the brazing metal transition layer of the ceramic substrate, and a multi-layer flexible circuit board is attached to the surface, sprayed with the low-melting-point brazing filler metal, of the aluminum nitride ceramic substrate to obtain an attached plate; and S3, placing the laminated board in a vacuum or protective atmosphere for welding to obtain the ceramic rigid-flex circuit substrate. The ceramic substrate is adopted, the brazing metal transition layer is introduced to the surface of the ceramic substrate, the welding process of the flexible circuit board and the ceramic substrate is optimized, the problems that heat conduction is difficult, interface thermal resistance is large and uneven or bonding strength is insufficient are effectively solved, and the overall performance and quality of a product are improved.

The invention relates to a construction method of an anti-typhoon sea wave sea-crossing steel trestle and platform adjacent to a residential building. The construction method comprises the steps that firstly, deep fusion application of BIM and VR is conducted; step 2, surveying and setting out; step 3, embedding steel bars and pouring strip-shaped concrete; fourthly, the steel pipe piles are transported and lengthened; fifthly, steel pipe piles are driven; sixthly, parallel connection and diagonal bridging construction is conducted; seventhly, bearing beams are installed; eighthly, longitudinal beams are installed; ninthly, the distribution beams are installed; tenthly, bridge deck slabs and guardrails are installed; and 11, an intelligent monitoring and early warning system.

The invention relates to the technical field of underwater engineering, in particular to an assembly optimization analysis method for modular assembly of an underwater bearing platform, which comprises the steps of modular design of components, establishment of an underwater positioning system, optimization of an assembly sequence, formulation of an underwater assembly process, stress monitoring and analysis, structural optimization analysis after assembly and environmental adaptability evaluation and adjustment. Stress distribution and deformation conditions under different assembly sequences are simulated through a finite element model, the stress condition in the module assembly process is monitored in real time in combination with a sensor, and an assembly strategy is adjusted in time. Furthermore, based on comprehensive collection and analysis of water area environment data, the anti-corrosion, anti-scouring and anti-biological adhesion design of the bearing platform is optimized, and the service life of the bearing platform is prolonged. Through systematic optimization design and real-time monitoring, the assembly precision, the structural stability and the long-term durability of the bearing platform are ensured.

The utility model discloses a multi-head rotating device, an electric cleaning brush and an electric tool, and belongs to the technical field of electric tools, the multi-head rotating device comprises a power mechanism, a transmission mechanism and a working mechanism, the transmission mechanism comprises an inner shaft and an outer shaft, the working mechanism comprises an inner disc body and a transmission wheel, and the inner disc body is provided with a rotating head. The inner disc body rotating along with the inner shaft drives the rotating head to revolve around the central axis of the inner disc body, and the transmission wheel rotating along with the outer shaft drives the rotating head rotating around the central axis of the rotating head at the same time. The electric cleaning brush comprises the multi-head rotating device. The electric tool comprises the multi-head rotating device. Due to the fact that all the rotating heads are arranged on the inner disc body, the inner disc body and all the rotating heads can serve as an installation module, when the transmission wheel drives all the rotating heads to rotate through gear matching, transmission matching of all the rotating heads and the transmission wheel can be achieved while the inner disc body is connected to the inner shaft, all the rotating heads do not need to be installed one by one, and the assembling efficiency can be improved.

The invention relates to the technical field of lithium batteries, in particular to a preparation method of an inorganic-organic composite binder for a silicon negative electrode battery. The modified chitosan is obtained by adding chitosan, ammoniated urushiol, an acetic acid solution and vanillin. And mixing the modified chitosan, guar gum, an acetic acid solution and glutaraldehyde to obtain the biomass binder. And adding deionized water to sequentially obtain a biomass binder solution, a boric acid solution, a lithium metasilicate solution and a polyvinyl alcohol solution. And adding the inorganic binder solution and the biomass binder solution into the polyvinyl alcohol solution, and fully stirring to obtain the composite binder. The composite binder prepared by the preparation method disclosed by the invention has good adhesive property and mechanical property, so that the composite binder has a wide application prospect in the technical field of lithium batteries.

The invention discloses an offshore concentrated photovoltaic detection early warning operation platform, and relates to the field of offshore photovoltaic power generation. Comprising a pile foundation and a supporting frame supported by the pile foundation, a photovoltaic panel is laid above the supporting frame, an anti-deformation support structure is arranged below the supporting frame, a supporting adjusting pile is arranged at the top end of the pile foundation, and the supporting adjusting pile is used for being supported at the bottom of the anti-deformation support structure. When the pile foundation settles and the supporting frame and the anti-deformation support structure deform, so that the supporting stress of the position of the supporting adjusting pile is changed, the supporting height is adjusted through the supporting adjusting pile to recover the supporting stress to the anti-deformation support structure; the supporting adjusting pile comprises a supporting part and an adjusting part, and the adjusting part adjusts the supporting height relative to the axial direction of the supporting part so as to recover the supporting stress on the anti-deformation support structure.

The invention belongs to the technical field of batteries, and particularly relates to a single battery, a battery and a power utilization device, the single battery comprises: a shell having an accommodating cavity; the top cover is used for buckling the opening of the shell; the battery cell is accommodated in the accommodating cavity, and a tab is arranged at one end, facing the top cover, of the battery cell; the current collecting plate is accommodated in the accommodating cavity and is positioned between a tab of the battery cell and the top cover, and the current collecting plate is provided with a first area and a second area arranged around the first area; wherein the second area protrudes towards the opening relative to the first area, so that a boss is formed on the side, facing the opening, of the flow collecting disc, the boss is located between the shell and the top cover, the boss and the shell are welded to form a first welding part, and the first welding part is located on the side, facing the opening, of the flow collecting disc. The boss and the top cover are welded to form a second welding part, and the first area is electrically connected with the tab; the welding stress is effectively dispersed, and the welding difficulty is reduced.

The invention provides an unfavorable geological section treatment structure of an underground high-pressure gas storage and a design method of the unfavorable geological section treatment structure. The treatment structure comprises replacement concrete arranged between a weak structural layer and backfill concrete. The section of the replacement concrete in the radial direction of the gas storage is an isosceles trapezoid, the upper bottom edge of the isosceles trapezoid is connected with the weak structure layer, the lower bottom edge of the isosceles trapezoid is connected with the backfill concrete, the two waist edges of the isosceles trapezoid are connected with the surrounding rocks on the two sides of the replacement concrete respectively, and the length L3 of the upper bottom edge is smaller than the length L1 of the lower bottom edge. The treatment structure can prevent the safety problem of the gas storage caused by the characteristics of low strength, easy deformation and the like of the weak structural layer.

The invention belongs to the technical field of plastic shell control shells, and discloses an anti-collision buffering plastic shell control shell and a using method thereof.The anti-collision buffering plastic shell control shell comprises a shell body, a buffering assembly is arranged in the shell body, a top cover is installed at the top end of the shell body through bolts, a base is fixedly installed at the bottom end of the shell body, and a supporting assembly is arranged on the outer wall of the shell body; the buffer assembly comprises a damper and an air bag which are arranged in the shell, when the shell is subjected to external impact, energy generated by impact is absorbed and dissipated through the damper, so that impact on the shell is relieved, the damper is in contact with the surface of the air bag when the damper is subjected to certain impact energy to generate displacement, the impact energy is further absorbed through the air bag, and the impact force is reduced. And the damper and the air bag are matched for use, so that the structural stability of the shell is kept, deformation or damage caused by collision is prevented, the service life of the plastic shell control shell is prolonged, and the protection effect on electronic elements in the shell is achieved.

The invention relates to the technical field of solar power generation, in particular to a photovoltaic and photo-thermal coupling system and a preparation method and application thereof.The photovoltaic and photo-thermal coupling system comprises a semitransparent photovoltaic cell, a photo-thermal reflector, a photo-thermal heat collection unit and a coupling support; the semitransparent photovoltaic cell is fixedly arranged above the photo-thermal reflecting mirror through the coupling support, and the photo-thermal heat collection unit is arranged above the semitransparent photovoltaic cell and is connected with the photo-thermal reflecting mirror through the coupling support. According to the photovoltaic and photo-thermal coupling system, the advantages of photovoltaic power generation and photo-thermal conversion are combined, the utilization efficiency of solar energy is remarkably improved, and multifunctional integration is achieved.

The utility model discloses a battery pack, an energy storage cabinet and an energy storage system, and belongs to the technical field of energy storage. The battery pack comprises at least two battery modules and at least one first locking piece, the battery modules are sequentially stacked in the vertical direction, a first connecting structure is arranged on the bottom face of each battery module, and a second connecting structure matched with the first connecting structure in a guiding mode is arranged on the top face of each battery module. The two adjacent battery modules are movably connected along the horizontal direction; and the first locking piece is detachably connected with the at least two battery modules respectively. The first connecting structure and the second connecting structure which are in guide fit are respectively arranged on the bottom surface and the top surface of the battery module, so that two adjacent battery modules are movably connected along the horizontal direction, and then the battery modules are limited through the first locking piece, so that the battery modules are conveniently stacked, a battery rack is not needed, and the cost is reduced. The space in the energy storage cabinet is fully utilized, so that the energy density of the energy storage system is effectively improved.

The utility model provides a battery pack and electric equipment, and relates to the technical field of new energy development. The battery pack comprises battery cells and a heat exchange plate, the battery cells comprise a first battery cell and a second battery cell which are adjacent, the heat exchange plate is bent in a reciprocating mode to form a first containing groove and a second containing groove, notches of the first containing groove and notches of the second containing groove are arranged oppositely, the first containing groove and the second containing groove are located in the two opposite surfaces of the heat exchange plate respectively, and the first battery cell is contained in the first containing groove. And the second battery cell is accommodated in the second accommodating groove. According to the battery pack and the electric equipment, the battery pack and the electric equipment meet the structure, so that heat transfer between two adjacent battery cells can be blocked while heat exchange between the heat exchange piece and the heating battery cells is facilitated, and heat is prevented from being diffused between the battery cells.

The invention relates to the technical field of batteries, in particular to a preparation method of a solid electrolyte coating, a composite electrode and application of the composite electrode. The preparation method of the solid electrolyte coating comprises the steps that a composite matrix is obtained, and the composite matrix comprises a polymer film layer, a semi-solid coating and a bonding layer which are sequentially arranged in a stacked mode; the bonding layer of the composite matrix is attached to a positive plate and / or a negative plate, and after hot pressing, the polymer film layer is removed, so that a solid electrolyte coating is formed on the surface of the positive plate and / or the negative plate. The method is simple and easy to implement and low in cost, the surface density of the solid electrolyte coating can be accurately controlled through cooperation of all the steps, and the structural stability and electrochemical performance of the solid electrolyte coating can be effectively guaranteed.

The invention discloses a CO2 epoxy coupling catalyst as well as a preparation method and application thereof. The CO2 epoxy coupling catalyst is prepared by grafting disulfonic ionic liquid on the surface of Zr < 4 + > coordination defect hierarchical pore UiO-66-NH2 and introducing metal halide salt. The preparation method comprises the following steps: S1, preparing and synthesizing Zr < 4 + > coordination defect hierarchical pore UiO-66-NH2; s2, enabling the hierarchical pore UiO-66-NH2 to react and combine with the disulfonic ionic liquid, so as to obtain an ILs (at) UiO-66-NH2 compound; and S3, reacting and combining the ILs-coated UiO-66-NH2 compound with metal halide salt, and drying to obtain the CO2 epoxy coupling catalyst. The CO2 epoxy coupling catalyst can be applied to a coupling reaction of CO2 and an epoxy compound to synthesize cyclic carbonate.

The invention discloses low-carbon flow-state solidified soil for a seasonal frozen region. The low-carbon flow-state solidified soil comprises soil, a curing agent and water, the dosage of the curing agent is 15-20% of the mass of the dry soil; the water content is 40-60% of the dry mass of the soil and the curing agent; the soil comprises sludge and building residue soil, and the sludge accounts for 20-40 parts by weight, and the building residue soil accounts for 60-80 parts by weight; the curing agent is prepared from the following components in parts by weight: 40 to 60 parts of phosphogypsum, 10 to 15 parts of mixing plant waste slurry, 20 to 40 parts of steel slag, 5 to 10 parts of quick lime, 0.5 to 1.2 parts of glycerol, 0.2 to 0.6 part of hydroxypropyl methyl cellulose and 1 to 1.5 parts of water reducing agent; according to the invention, various technical problems of insufficient anti-freezing performance, unstable fluidity, long setting time, insufficient early strength, large shrinkage deformation, easy generation of segregation and bleeding and the like of the existing fluid-state solidified soil are solved, and meanwhile, more low-carbon environment-friendly raw materials are introduced, so that multi-aspect improvement of the performance of the fluid-state solidified soil and maximization of environment-friendly benefits are realized; and a more reliable and efficient solution is provided for earthwork such as foundation pit backfilling.

The utility model relates to the technical field of construction engineering construction, in particular to a novel plate type ballast bed structure in mortise and tenon connection, which comprises a modularized left side plate, a middle plate and a right side plate, and the middle plate is connected with the left side plate and the right side plate in a mortise and tenon mode. The number of the shear hinges is matched with that of the mortise and tenon joints, and the two ends of the shear hinges are connected with the outer sides of the mortise and tenon joints respectively. The assembly type plate-type ballastless track structure has the advantages that the assembly type plate-type ballastless track structure is easy to disassemble and assemble, easy to maintain and repair and convenient to maintain and replace, and the service life of the assembly type plate-type ballastless track structure is prolonged; during replacement and maintenance, the operation process is rapid and simple, skylight time is effectively utilized for construction, and driving in the next day is not affected; stable connection is formed by adopting a tenon-mortise structure, so that the prefabricated track plate structure is firmer and more reliable, and the stability of the track structure is ensured; the original structure is not affected after maintenance and replacement, and safety and reliability are achieved.

The invention discloses a basement outer wall post-cast strip structure and a construction method, and relates to the technical field of constructional engineering.The basement outer wall post-cast strip structure comprises a post-cast strip body arranged on a building outer wall and two pre-embedded steel plates laid on the side wall of the post-cast strip body, and the two pre-embedded steel plates are arranged on the two sides of the post-cast strip body respectively; a rubber waterstop is arranged at the joint position of the two embedded steel plates, and the rubber waterstop is fixedly connected with the embedded steel plates on the two sides respectively. On the premise of meeting the basic functions of the post-cast strip main body, the anti-seepage performance of the post-cast strip main body part is enhanced, the water seepage risk is effectively reduced, the service life of a building is prolonged, and the safety of the building is improved.

The utility model relates to an insulating medium structural body and a high-speed cable, the insulating medium structural body is applied to the high-speed cable, the insulating medium structural body comprises an insulating medium body and a hole, and the hole is formed in the insulating medium body; the holes comprise a pair of first holes, the first holes are formed in the insulating medium body and are arranged in an axial symmetry mode, and the pair of first holes are used for penetrating through a pair of conductors to serve as a differential wire pair; the number of the second holes is at least three, and the second holes are formed in the insulating medium body; the second pores are arranged in an axial symmetry mode relative to the symmetry axis of the pair of first pores. The insulating medium is prepared into a structure with pores, and the pores are arranged in axial symmetry relative to the symmetry axis, so that on the premise of ensuring the signal transmission effectiveness of the high-speed cable, on one hand, the structural stability of the high-speed cable is ensured, and the problem of performance variation of the high-speed cable during bending and twisting is avoided; and on the other hand, the signal transmission loss is reduced, thereby reducing the transmission attenuation degree.

The invention discloses a porous microcrystalline graphite negative electrode material and a preparation method and application thereof. The preparation method comprises the following steps: fully contacting microcrystalline graphite with an alkali solution, drying, and carrying out first calcination in an inert atmosphere to obtain first porous microcrystalline graphite with etched crystal grain end surfaces; carrying out vacuum pressure impregnation on the first porous microcrystalline graphite by using an alkali solution, drying, and then carrying out second calcination in an inert atmosphere to obtain second porous microcrystalline graphite of which the crystal grain end surface and the interior are etched at the same time; and repeating the operation, reducing the concentration of the aqueous alkali adopted in each operation compared with the previous operation, and increasing the pressure to prepare the porous microcrystalline graphite negative electrode material. According to the preparation method disclosed by the invention, the microcrystalline graphite is subjected to vacuum pressure impregnation by repeatedly utilizing the aqueous alkali, so that alkali can enter a pore structure, and etching is carried out towards the interior of particles at high temperature, the pore structure of the prepared porous microcrystalline graphite negative electrode material is beneficial to rapid transmission of lithium ions, and the charge-discharge rate performance of the material is remarkably improved.

The utility model discloses a pair of elastic opening and closing shoes easy to put on and take off. The shoe body comprises a sole, a vamp and an elastic piece; the vamp comprises a half sole part, a heel part and a connecting part which are all connected to the sole, the connecting part is close to the sole and is connected with the lower end parts of the half sole part and the heel part, and the upper end parts of the half sole part and the heel part are separated from each other; the heel part is suitable for being switched between a first state and a second state under the action of external force, when the heel part is in the first state, the heel part is close to the half sole part and matched with the half sole part to form a shoe opening, and when the heel part is in the second state, the heel part is far away from the half sole part and enables the shoe opening to be opened; the elastic piece is connected with the half sole part, the heel part and the connecting part and is suitable for being unfolded under the action of external force, so that the heel part enters the second state; and when the external force is lost, the elastic piece rebounds and resets, so that the heel part returns to the first state. The utility model provides an elastic opening and closing shoe easy to put on and take off, which is easy to open, has excellent recovery performance and ensures the convenience of the shoe in the putting on and taking off process.

The invention discloses a PP resin foaming optical diffusion plate and a preparation method thereof.The diffusion plate comprises an upper layer, a middle layer and a lower layer, the upper layer and the lower layer are located on the two sides of the middle layer, the thickness ratio of the upper layer to the middle layer to the lower layer is 1: (7-9): 1, and the upper layer and the lower layer are the same in composition; the upper layer is prepared from the following components in parts by mass: PP resin, PP-g-MAH resin, copolymer microspheres, a flame retardant, an antioxidant, mineral oil, a light stabilizer, an ultraviolet light absorber and a whitening agent; the middle layer is prepared from the following components in parts by mass: GPPS resin, a foaming agent, an antioxidant, mineral oil, a light stabilizer, an ultraviolet light absorber and a whitening agent, and the diffusion plate is stable in overall structure, good in optical performance and low in manufacturing cost.

The utility model relates to the technical field of flexible photovoltaic supports, in particular to a wind-resistant flexible photovoltaic support based on a double-layer multi-cable structure, which comprises side supporting beams, middle supporting beams, supporting beam pile foundations, side anchors, side anchor pile foundations, assembly cables, photovoltaic panel assemblies, triangular supporting pieces, tie bar pieces, bearing cables and wind-resistant cables. A plurality of supporting beam pile foundations are installed on the lower sides of the side supporting beams and the lower sides of the middle supporting beams respectively, multi-span assembly cables used for supporting photovoltaic panel assemblies are installed between the supporting beams, a plurality of rows of triangular supporting pieces are installed below the assembly cables, and the triangular supporting pieces are connected with the adjacent side supporting beams or the adjacent middle supporting beams through bearing cables. The bottom side angular points of the middle triangular supporting pieces are further connected with the middles of the adjacent supporting beam pile foundations through wind-resistant cables. According to the utility model, the flexible photovoltaic support structure system can be ensured to keep structural stability and not to overturn under various wind conditions, the risk of the whole system of a power station is greatly reduced, the use value is improved, and the yield is improved.

The invention discloses a weak coupling double-end tuning fork MEMS electric field sensor, and belongs to the technical field of MEMS sensors, and the weak coupling double-end tuning fork MEMS electric field sensor is provided with a first resonator, a second resonator, a weak coupling mechanical beam, a first mass block, a second mass block, a driving electrode, a DC bias electrode, a disturbance electrode, an adjusting electrode, a first induction electrode, and a second induction electrode. The first resonator and the second resonator are arranged in parallel in a staggered manner on the same horizontal plane along the horizontal direction and are connected through the weak coupling mechanical beam; the driving electrode and the first induction electrode are respectively arranged on two sides of the first resonator, and the disturbance electrode and the second induction electrode are respectively arranged on two sides of the second resonator; the direct-current bias electrode and the adjusting electrode are arranged on the two sides of the second resonator respectively; the two sides of the first resonator are respectively provided with a first mass block, and the two sides of the second resonator are respectively provided with a second mass block. The method has the advantages of high performance, simplicity in manufacturing, low cost and the like.

The invention discloses a conductive glass fiber cloth, which comprises a glass fiber base cloth and a carbonized conductive layer formed on the glass fiber base cloth, and the carbonized conductive layer is obtained by coating conductive ink and calcining, the conductive ink is prepared from the following components in parts by weight: 10 to 30 parts of low-melting-point glass powder, 3 to 5 parts of graphene, 0.5 to 2 parts of single-walled carbon nanotubes, 0.1 to 0.5 part of conductive carbon black, 5 to 10 parts of resin, 0.1 to 0.3 part of dispersing agent, 0.01 to 0.03 part of anti-settling thixotropic agent, 0.01 to 0.05 part of silane coupling agent, 70 to 90 parts of water and 5 to 20 parts of ethanol. The conductive glass fiber cloth is high in sheet resistance stability, good in coating adhesion fastness, excellent in impact resistance and suitable for conductive functionalization of thin glass fiber cloth.

The invention discloses a full-size wind tunnel high-load blade, which relates to the technical field of wind tunnel equipment and comprises a metal blade root, a hollow main beam and a blade body, a main beam connecting section is arranged at one end of the metal blade root, and the side wall of the main beam connecting section is a first conical side wall surface; the large opening end of the first conical side wall face is closer to the end, provided with the main beam connecting section, of the metal blade root than the small opening end of the first conical side wall face. The hollow main beam is formed by wrapping a carbon fiber cloth layer; a blade root connecting section is arranged at one end of the hollow main beam and fixedly arranged on the main beam connecting section in a sleeving mode. The inner side wall of the blade root connecting section is a second conical side wall face, and the second conical side wall face is attached to the first conical side wall face. The blade body is made of a carbon fiber material; and the blade body is fixedly arranged on the hollow main beam. The lightweight design degree of the blade is improved, and the lightweight effect of the blade structure is achieved.

The invention relates to the technical field of titanium alloy pipes, and discloses a high-strength corrosion-resistant titanium alloy pipe and a preparation method thereof.The high-strength corrosion-resistant titanium alloy pipe comprises, by weight, 4%-6% of aluminum (Al), 4%-6% of vanadium (V), 1%-3% of molybdenum (Mo), 1%-2% of chromium (Cr), 0.1%-0.5% of iron (Fe), 1%-2% of zirconium (Zr), 0.5%-1.5% of tungsten (W), smaller than or equal to 0.2% of oxygen (O), smaller than or equal to 0.08% of carbon (C), smaller than or equal to 0.05% of nitrogen (N), smaller than or equal to 0.015% of hydrogen (H) and the balance titanium (Ti). The mass percent of the aluminum is 4.5%-5.5%, the mass percent of the vanadium is 4.5%-5.5%, the mass percent of the molybdenum is 1.5%-2.5%, and the mass percent of the chromium is 1.5%-2%. By improving the formula and optimizing the preparation process, especially by introducing zirconium, tungsten and other elements and adopting the laser cladding technology, the titanium alloy pipe shows more excellent tensile strength, hardness and corrosion resistance in a high-temperature environment; therefore, the titanium alloy pipe has longer service life and higher safety in high-temperature severe environments such as aerospace and ocean engineering.