35results about How to "Reduce patching" patented technology

The invention discloses a method for estimating the concrete strength of the thin-walled structure by using the small core sample strength, which belongs to the concrete strength detection of construction projects. The main technical proposal is as follows: a core sample with the diameter of 48mm is drilled from the concrete entity of the thin-walled structure through the cutting and polishing, the compressive strength test is conducted by using an universal material testing machine to obtain a concrete compressive strength value of the small core sample, and the concrete strength of the thin-walled structure is deduced by a correction factor formula. The invention has the advantages of small error and high accuracy, can be applied to the quality control in the construction projects under construction, and the assessment and identification of justice in the existing building and the construction after the disaster.

The invention discloses a culture solution for accelerating rapid growth of microorganisms and a using method thereof. Bacillus pasteurii is inoculated into a culture medium containing various nutrient substances, constant temperature shaking culture is performed at 25-30 DEG C, the initial PH value is controlled to be about 6, culture is performed for 12-24 h, part of bacteria solution is taken out every two days in the culture process, a spectrophotometer is utilized to measure the absorbance OD600, a strain growth curve is obtained, strains enter into a stable stage in about 18 h according to observation, and compared with research by predecessors, the strain growth speed is obviously accelerated. The culture solution for accelerating rapid growth of the microorganisms and the using method have the advantages that substances in the culture solution can be fully utilized, and the culture solution is simple in process, high in efficiency, short in used time, clean in environment and low in cost; the efficiency of microbial induction of calcium carbonate is further improved, and the concrete crack repair time can be shortened.

A sheet for repairing and reinforcing a concrete structure is provided as a lamination having a protective layer and a sticking layer. A method of repairing and reinforcing a concrete structure by sticking the sheet to the surface of the structure is also provided. The invention is able to facilitate the operation of applying an adhesive and paint at a construction site and facilitate construction work.

The invention discloses a suspended ceiling structure without a suspension rod. The suspended ceiling structure comprises a suspended ceiling supporting structure and a veneer, wherein the suspended ceiling supporting structure is fixed with a wall surface; the veneer is fixed on the suspended ceiling supporting structure and comprises vertical rods, upper corner braces, horizontal supports, keelsand sliding plates, wherein the sliding plates are in sliding connection with the horizontal supports; the vertical rods are vertically fixedly arranged on the upper corner braces; the horizontal supports are fixed with the vertical rods; the two ends of each keel are fixed with the sliding plates; and the veneer is fixed on the keels. The suspended ceiling structure without the suspension rod has the advantages of a simple structure, good adjustability, convenience for installation and the like.

The embodiment of the invention provides a compensation method and a compensation device for a display panel. The compensation method comprises the following steps: firstly, acquiring position information of a first sub-pixel; when the position information of the first sub-pixel is matched with the position information of the abnormal sub-pixel, obtaining the position information of a second sub-pixel, and the second sub-pixel and the first sub-pixel are located in the same pixel unit; then, according to the position information of the second sub-pixel, obtaining the position information of a third sub-pixel, and the third sub-pixel and the second sub-pixel are adjacently arranged and have the same light emitting color; and finally, setting the compensation parameter of the third sub-pixel as the compensation parameter of the second sub-pixel. According to the compensation method, whether display of the first sub-pixel is abnormal is determined firstly, then the compensation parameter of the third sub-pixel is set as the compensation parameter of the second sub-pixel, and therefore the situation that the second sub-pixel is compensated to be a bright spot or a dark spot due to the fact that the first sub-pixel has defects is avoided, the display module manufacturing process flow is optimized, and the repair and compensation capacity of the display module is reduced.

The invention discloses a construction method of an ultrahigh and ultra-strong RC chimney trapezoidal template fastening digital assembling mould. The construction method comprises the following steps: (1) installation and construction of a scaffolding, a derrick, an inner double-deck platform and a lifting system; (2) production and installation of the trapezoidal template; and (3) dismantling construction of an inner frame. The construction method is simple and rapid in construction and convenient to control quality. The technologies of digital assembling of fastening section mould and the like are adopted in construction, labor force is saved, building time is shortened, quality is improved, and late repairing cost and back repairing cost are reduced. Belt-type mold locking is arranged on the outer side of a chimney, security risks of supporting an outer mould in construction is eliminated, labor intensity is reduced, construction schedule is speeded, and building time is shortened. Construction direct cost is saved by a total of 253,000 yuan, and economic benefits are significant. The key technology of the construction method is mature and reliable, the flatness of a structure is improved, the appearance quality is improved, and the reliability of the structure is ensured; and construction is environmentally friendly and clean, the customer satisfaction is good, and good social benefits are achieved.

This invention generally refers to the process to obtain a compound and a standard pharmaceutical product from one or more parts of plant of the Stachytarpheta (Verhenaceae family) species, as well as roots, stems, barks, and leaves of plants in the form of extracts or enriched fractions, or pure isolated compounds or compounds obtained from synthesis, used alone or mixed with other natural or synthetic products, in different ratios, in order to integrate pharmaceutical compositions to be used by appropriate routes (topic or oral), particularly in the form of tablets, capsules, dyes, emulsions, W/O and O/W (creams and gels), liposomes, microcapsules, nanoparticles, aerosols, ointments, and the like, as well as formulations for slow-release implants, used to treat vitiligo.

The invention relates to a new rubber riding wheel and fabricating process thereof. The fabricating process of the invention comprises steps of: 1) first mixing, masticating and thinning natural rubber NR and synthetic rubber SBR on an open mill, controlling plasticity of rubber at 0.44 to 0.45; 2) casting the rubber to a mixer, injecting for 3min to 5min, adding accelerator, octadecoic acid, zinc oxide, antiager, coumarone resin and tert-butyl phenolic resin in sequence, injecting for 4min to 6min, adding carbon black, machine oil and paraffin, after pressurizing load, adding sulfur within 60s to mix, discharging immediately and making pieces, cooling after turning evenly on a flat-bed machine, controlling mixing plasticity of rubber at 0.4 to 0.5; 3) casting mixed rubber material to the open mill to warm, then coiling or making pieces, supplying the same to a squeezer to squeeze, distributing pieces and weighing the rubber material according to product requirements for spare use; 4) packing weighed rubber material to a die cavity to enter a flat vulcanizing machine; pressurizing to vulcanize by using low temperature in grads gradually; 5) completing vulcanization.

The invention discloses an elevator shaft tool type operation steel platform and a manufacturing method thereof; the method uses a riffled plate and reinforced section bars arranged on the bottom of the riffled plate to form a work table of the platform; the bottom of the riffled plate is provided with at least two sets of right angle tripods used for supporting the riffled plate; one vertical edge of the right angle tripod is tightly attached to the bottom of the riffled plate, and the bottom of the other vertical edge is provided with a clamp with a L-shape section; in usage, the clamp is clamped in an elevator shaft well opening, and one side, corresponding to the clamp, of the elevator shaft tool type operation steel platform is tightly attached to a shearing force wall in the elevator shaft, thus completing the installation of the elevator shaft tool type operation steel platform; the elevator shaft tool type operation steel platform is simple in principle and operation, high in safety, can reduce steel pipe erection and dismounting material and labor invest, can reduce later maintenance in the elevator shaft well, can reduce safety problems caused by steel pipe erection, and thus fast and conveniently providing the elevator shaft inner operation platform.

The invention discloses a process for installing and positioning a double-rudder sleeve and a tail casting in a segmented construction stage, which aims to provide theoretical support for the scheme on the premise that the overall precision level of the existing ship construction is greatly improved, the tail end surface of the FR8 assembly tail casting is not processed, namely, the tail end surface is fixed, and a small amount of deviation of the center line of a tail shaft can be adjusted by epoxy. According to the scheme, the purpose of segmented division is that the rudder sleeve is installed in place in the segmented construction stage, the rudder sleeve does not need to be hoisted in the later carrying stage, and the trouble of high-altitude operation is avoided; the distance between the tail end face and the central rib positions of the two rudderstocks is determined in the segmented construction stage, and all other works in the later stage do not affect the size, so that the time for positioning and secondary precise control in the later carrying stage is shortened, the corresponding high-altitude operation is reduced, and the construction safety is improved; paint damage and repair are reduced, multiple positions in the tail area are narrow in the position space and difficult in construction, and construction safety is greatly improved.

The invention provides a waterproof method and a waterproof structure for a pile foundation underpinning underground storey-adding basement, and relates to the technical field of underground storey-adding. The pile foundation underpinning underground storey-adding basement aims to solve the problem that the waterproof structure of the basement after underground storey-adding at present is easy to lose efficacy. The waterproof structure is arranged at the bottom of a pile hole in advance, an underpinning pile body is poured under the wrapping action of the waterproof structure, after a foundation pit is excavated, part of the waterproof structure is peeled off to be in lap joint with a waterproof layer in the foundation pit into a whole, the waterproof layer of the basement structure is integrally wrapped, underground water is effectively isolated, and the leakage problem is solved.

The invention specifically relates to a corrosion protection method for a cable tray of a cross-sea bridge in a high salt-fog region. The corrosion protection method includes firstly selecting Q355GNH weathering resistant steel to replace normal low alloy steel as a principal material of the tray, wherein the atmospheric corrosion resistant property of the weathering resistant steel is 4 to 8 times that of the ordinary steel, and the coating property of the weathering resistant steel is 2 to 10 times that of the ordinary steel; selecting zinc-aluminium alloy with the volume ratio of 1: 1 as thermal spraying metal and covering epoxy micaceous iron oxide intermediate paint and fluorocarbon finish paint on a metal coating, wherein the epoxy micaceous iron oxide intermediate paint and the fluorocarbon finish paint have excellent performances of corrosion resistance, no maintenance, self cleaning, high adhesiveness, and ultra-long weather resistance; using a Q235 hot-dip galvanized steel grating plate as a grating plate, wherein the Q235 hot-dip galvanized steel grating plate is convenient to install and detach; using A4-70 stainless steel bolts in consideration of the importance of the bolts on a bridge structure and the inadaptation of a corrosion protection system of the principle material to friction that the principle material needs to bear, wherein the stainless steel bolts are good in resistance to salt-fog corrosion. The corrosion protection method is capable of furthest reducing times for repairing or repainting an erosion resistant coating of the cable tray in the high salt-fog region environment, reducing daily maintenance difficulties and investments, and achieving the purpose of minimizing full life cycle costs of the cable tray.

The invention discloses a warehouse bottom heap slope structure and a construction method thereof. The warehouse bottom heap slope structure structurally comprises a warehouse bottom plate and a warehouse wall plate, the warehouse bottom plate and the warehouse wall plate form an internal corner, the internal corner is built with a heap slope, the heap slope comprises aerated concrete building block layers which are stacked along the bottom end of the warehouse wall plate from bottom to top in the vertical direction and stacked along the outer end of the warehouse bottom plate from exterior tointerior in the axial direction, further comprises brick-filled layers piled on surface blocks, and brick joints of the surface bricks are connected and filled by jointing materials; the heap slope further comprises a steel bar mesh layer, a group of studs is arranged on the steel bar mesh layer in a connected mode, the bottom ends of the studs are inserted into the jointing materials, the top ends of the studs upwards and fixedly connected with a steel bar mesh, and the heap slope further comprises a concrete pavement. According to the warehouse bottom heap slope structure, slope forming issimple and easy to operate, the construction time can be greatly shortened, and the construction period is saved; and meanwhile, stacking of two layers of brick layers can ensure that the size of a masonry material is adjusted in time, the slope forming and construction progress are accelerated, the construction cost is saved, the quality risk is lowered, and durability of the slope in the using process can be ensured during normal use.

The invention discloses a front fork rack for vacuum coating. The front fork rack comprises a frame body and rotating shafts arranged in the central line of the frame body; placing frames and limitingframes are arranged in the frame body; each placing frame comprises transverse rods arranged on the frame body; a plurality of placing seats for clamping front fork claw hooks are arranged on the transverse rods and are arranged evenly in the length direction of the transverse rods; each limiting frame comprises limiting rods for abutting against front fork shoulders; and the limiting rods are inone-to-one correspondence with front forks. The limiting rods abut against the front fork shoulders, so that the front forks are prevented from rotating by using the transverse rods as axes and are prevented from sliding in the length direction of the transverse rods, and the stability of the front forks during rotation along with the frame body is guaranteed; meanwhile, the contact area of the limiting rods and the transverse rods with the front forks is reduced as much as possible, so that most surfaces of the front forks can be coated; and the frame body drives the front forks to rotate, so that the surfaces of the front forks can be coated evenly, the technological difficulty of twice coating is avoided, and the coating effect of the front forks is guaranteed.