23results about How to "Resist damage" patented technology

The invention discloses an application of engineered citrobacter freundii in fermentation synthesis of a stable body. The engineered citrobacter freundii is citrobacter freundii overexpressing a polyphosphate kinase gene Ppk1. The stable body prepared by fermenting the engineered citrobacter freundii is rich in polyphosphates and polyamines, particularly, the content of the polyamines can be up to 21wt%, the polyphosphates in the stable body can store the polyamines in an ionic bond combination mode, the combined polyamines are insoluble in water, a natural anion coating is generated, and the stability of the stable body is improved. And the sustained-release tablet is not easily taken by intestinal epithelial cells, so that the sustained-release tablet has a certain sustained-release effect. The medicine prepared by taking the compound as a main active ingredient shows a remarkable curative effect in ulcerative colitis treatment, has the comprehensive effects of reducing oxidative stress, enhancing the anti-inflammatory ability of a body and regulating immunity, is suitable for patients of all ages, and has outstanding application value and market prospect.

A mobile tube conveyor is provided, which is damage-resistant, has a reduced risk of false detection, and can be manufactured at low cost. The mobile tube conveyor includes: a supply tube 10; a traveling unit 20; a plurality of pairs of arrival detection sections 30; and a control unit 40. The plurality of pairs of arrival detection sections are configured to detect the arrival of a first traveling section 21 and a second traveling section 22, respectively, and include first detection sections 31 and second detection sections 32 arranged along the traveling direction of the traveling unit 20 so as to be positionally corresponding to each other at intervals not exceeding a limit value of the difference in traveling distance between the first traveling section 21 and the second traveling section 22. The control unit 40 controls the travel of the traveling unit 20 to detect the arrival of a first detection section 31. N When the arrival of the first traveling part 21 is detected, the traveling unit 20 stops traveling, thereby allowing the traveling unit 20 to travel while the difference in traveling distance between the first traveling part 21 and the second traveling part 22 does not exceed a limit value. The traveling of the first traveling part 21 is stopped until a corresponding second detection part 32 is set up. N The arrival of the second traveling section 22 has been detected.

The invention belongs to the technical field of road and bridge paving materials, and discloses an anti-rutting epoxy asphalt toughening additive. The formula comprises the following components in parts by weight: 40 parts of solid epoxy resin, 35 parts of a latent polyester curing agent, 5 parts of an ultra-high molecular weight epoxy toughening agent, 20 parts of a water damage resistant improver, 100 parts of hard asphalt particles, 2 parts of an antioxidant, 5.5 parts of a silane coupling agent, 6 parts of nano silicon dioxide, 0.1 part of a curing accelerator, 0.5 part of a light stabilizer and 1 part of a lubricating separant. In the formula, solid epoxy reacts with a latent polyester curing agent to form a three-dimensional rigid structure, and the three-dimensional rigid structure is matched with oxidized asphalt particles and nano silicon dioxide, so that the high-temperature stability and the pressure resistance are remarkably improved, and ruts are inhibited from the source; the ultra-high molecular weight epoxy flexibilizer can prolong the molecular chain segment of a cross-linking point, and is combined with the curing accelerator to regulate and control the reaction rate, so that the low-temperature crack resistance and fatigue resistance are enhanced while the strength is ensured.

This utility model discloses a modular carpet with nano-silver ion antibacterial and easy-to-clean properties, including a first connecting carpet, a second connecting carpet installed on one side of the first connecting carpet, a snap-fit ​​carpet installed inside the second connecting carpet, and an installation pad fixedly connected to the bottom of the first connecting carpet. Through the cooperation of the first connecting carpet, the second connecting carpet, and the snap-fit ​​carpet, users can freely combine and splice them according to the size and shape of the space, adapting to various scenarios such as living rooms, offices, and irregular corners, meeting diverse installation needs. Secondly, the splicing is convenient and stable. Using the connecting structure composed of installation fixing blocks and connecting fixing blocks, the sliding connecting rod pushes the insertion rod to quickly and accurately connect the two carpets, requiring no complicated tools and simplifying operation. At the same time, this connection method effectively avoids displacement and gaps during use, ensuring the overall structural stability of the carpet and improving the user experience.

The utility model discloses an explosion-proof polyurethane tire for an engineering vehicle, which relates to the field of tires and comprises a hub and a tire body, the tire body is wrapped on the outer side of the hub, a plurality of metal rings are arranged in the tire body at equal intervals, the metal rings are sleeved on the outer side of the hub, a reinforcing sleeve is arranged in the tire body, and the reinforcing sleeve is sleeved on the outer side of the hub. According to the utility model, the plurality of metal rings are arranged in the tire body at equal intervals, and the reinforcing sleeves are arranged on the outer sides of the metal rings in the spiral winding manner, so that the overall strength and the impact resistance of the tire are enhanced; tire damage caused by puncture, collision and the like of sharp objects can be effectively resisted, the risk of tire burst under severe working conditions is remarkably reduced, and the driving safety of engineering vehicles is guaranteed.

This utility model relates to the field of cable technology, specifically to a cable designed to prevent damage. The cable employs a multi-layered composite protective structure, comprising, from the inside out: a conductor, a conductor insulation layer, a conductor shielding layer, a cabling filling layer, a wrapping layer, an inner sheath, a waterproof layer, an inner lining layer, an armor layer, an outer lining layer, a corrugated buffer layer, a fire-retardant layer, and an outer sheath. Each functional layer forms a tightly integrated protective system through specific connection methods. The conductor insulation layer ensures electrical insulation performance, the conductor shielding layer provides electromagnetic shielding and water resistance, the corrugated buffer layer absorbs external impacts through a special structure, and the fire-retardant layer forms a high-temperature protective barrier. By optimizing the material selection and structural design of each layer, this utility model enables the cable to maintain excellent conductivity while also providing multiple protective functions such as waterproofing, fire resistance, and impact resistance. The synergistic effect of each layer effectively improves the reliability and service life of the cable under complex operating conditions.

The application discloses a kind of high fire endurance closed-cell foam ceramic material and its preparation method, and the weight percentage of the ceramic material raw material formula is as follows: white ceramic tailings 20-40%, tea crystal stone 15-30%, burned soil 5-15%, high-alumina sand 5-10%, desert sand 15-25%, light-burned magnesium 5-15%, plus foaming agent 0.1-3%.According to the weight percentage of the ceramic material raw material formula, normal foam ceramic A material, high-density foam ceramic B material or low-density foam ceramic C material is configured respectively, and the closed-cell foam ceramic material is obtained by ball milling, spray granulation, mixing and loading box sintering.The technical scheme of the application not only has simple process, low cost and superior performance, but also improves the fire endurance of the material, meets the use requirements of wall materials, widens the application field of closed-cell foam ceramic, and has broad market prospect.

The invention relates to the technical field of cosmetics, in particular to a sensitive skin repairing composition for a severe cold environment in winter and application of the sensitive skin repairing composition. The repairing composition comprises a camellia flower extract, camellia seed oil, camellia flower PDRN, galactoglucan and an European chestnut leaf extract, and the repairing composition effectively resists skin injury caused by a severe cold environment in winter by activating heat shock protein, inhibiting a cold receptor TRPM8, improving microcirculation and constructing a skin physical barrier. The skin-care lotion can effectively moisturize skin, relieve the problems of red skin, itching skin, scales, cracking skin and the like, has the effects of efficiently moisturizing, relieving and repairing skin, is mild and non-irritant, and is suitable for people with sensitive skin to use.

This invention belongs to the field of food processing technology, specifically relating to a low molecular weight *Hydrangea hygroscopica* polysaccharide microsphere for relieving fatigue, its preparation method, and its application. The preparation method includes the following steps: (1) extraction of crude polysaccharide from *Hydrangea hygroscopica*; (2) degradation; (3) encapsulation: the low molecular weight *Hydrangea hygroscopica* polysaccharide obtained in step (2) is dripped into CaCl2 solution through electrospray treatment to form a gel core, and the gel core is encapsulated to obtain the low molecular weight *Hydrangea hygroscopica* polysaccharide microspheres. The beneficial effects of this invention are: this invention efficiently extracts *Hydrangea hygroscopica* polysaccharide through steam explosion-pulsed electric field synergy, accurately prepares 10-20 kDa high-activity low molecular weight fragments through compound enzymatic hydrolysis-ultrasound-ultrafiltration, and finally constructs colon-targeting microspheres using electrospray-layer-by-layer self-assembly. These microspheres can protect the active ingredients and allow them to reach the colon for release, significantly improving the bioavailability and anti-fatigue effect of the polysaccharide.

The utility model provides a double-layer waist-exposed iron box, which relates to the technical field of metal box body structures, and comprises a double-layer waist-exposed iron box main body, a plurality of vertical pressing ribs are distributed on the inner wall of the double-layer waist-exposed iron box main body along the circumferential direction at equal intervals, and are used for enhancing the deformation resistance of the side wall; an upper annular firm waist frame and a lower annular firm waist frame are fixed to the inner wall of the double-layer waist-exposed iron box body through resistance spot welding, the four corners of each annular firm waist frame are rigidly connected through metal connecting frames, and the included angle metal connecting frames are attached to the corners of the double-layer waist-exposed iron box body in a matched mode to form an overall reinforcing frame. The vertical pressing ribs, the annular firm waist frame, the included angle metal connecting frames and the like are arranged on the inner wall of the double-layer waist-exposed iron box main body, so that an integral reinforcing frame is formed; and the integral strength and the protection performance of the iron box are effectively enhanced while the outer waist line groove design is reserved to meet the attractive appearance or other design requirements.

This invention relates to the field of biomedical technology, specifically disclosing a polypeptide and its application in the preparation of drugs for ischemic stroke. The amino acid sequence of the polypeptide is shown in SEQ ID NO. 1. This invention utilizes an in vivo tMCAO / R model and in vitro studies covering ischemic hypoxia (OGD) and neurotoxicity (MPP). + Multiple cell models of NL-PT, including those for cellular stress and hormonal stress (CORT), were used to reveal the application potential of the peptide NL-PT from multiple dimensions and levels. These results collectively demonstrate that NL-PT not only has a significant protective effect against the core pathological processes of ischemic stroke, but also exhibits broad-spectrum biological activity against various related injuries. In particular, its well-defined mechanism of anti-oxidative stress through scavenging reactive oxygen species (ROS) further highlights its multi-target intervention characteristics, providing solid and reliable experimental evidence for its development into a novel, multi-target therapeutic drug for ischemic stroke.

The invention discloses a giant strong aeromonas hydrophila bacteriophage and application thereof, and belongs to the technical field of microorganisms. According to the invention, aeromonas hydrophila is taken as host bacteria, the phage is enriched from a collected lake water sample, and is separated and purified by adopting a double-layer agar plate method, so that a strain of phage is successfully obtained, the strain of phage is named as aeromonas hydrophila phage Cgtyf, the preservation number is CCTCC NO: M 2026099, and the titer of the phage can reach 1.0 * 10 < 10 > PFU / mL; the genome size of the phage is about 237 kb, and the phage belongs to a giant phage. In an in-vitro bacteriostasis experiment, the bacteriophage Cgtyf shows a remarkable bactericidal effect and a relatively strong growth inhibition capability on host bacteria, and shows a relatively high temperature tolerance range in a temperature stability test. Therefore, the bacteriophage Cgtyf provided by the invention can be effectively used for preventing and controlling aeromonas hydrophila in aquatic products, has a potential application value as an antibacterial drug substitute, is beneficial to reducing or avoiding the use of antibacterial drugs in aquaculture, and has a good application prospect.

The utility model discloses a compression-resistant and heat-resistant cable, and relates to the technical field of cables. Comprising a plurality of cable cores, an insulating layer, an outer wall wrapping each cable core, a pentagonal support frame, an inner wall embedded in the insulating layer, a compression-resistant layer, an outer wall wrapping the insulating layer, an outer protective layer and an outer wall wrapping the compression-resistant layer, wherein the cable cores are embedded in the inner wall of the pentagonal support frame. According to the compression-resistant and heat-resistant cable, through the pentagonal supporting frame and the honeycomb frame in the insulating layer, when the cable is subjected to external mechanical stress, the integrity and stability of the structure can be better maintained, the service life of the cable is prolonged, the compression resistance of the cable is effectively improved, and through the filling layer and the outer protection layer, the cable can be prevented from being damaged in a high-temperature environment. And the outer protective layer is formed by compounding the glass fiber and the high-temperature-resistant and wear-resistant material, so that the cable has the characteristics of high strength and wear resistance, and can resist the damage of external mechanical force to the cable.

This invention discloses a self-healing high-strength composite geotextile based on MICP technology and its preparation method. It comprises a first bio-fiber geotextile, a high-strength composite geotextile, and a second bio-fiber geotextile arranged sequentially from bottom to top. The first bio-fiber geotextile is composed of animal fur fibers, plant stem and leaf fibers, and synthetic fibers, and is formed by needle punching. The high-strength composite geotextile is composed of high-strength warp fibers, high-strength weft fibers, and polypropylene fibers, interwoven in a cross-hatching manner to form a grid-like structure. The central pores of each grid-like structure formed by the high-strength warp fibers, high-strength weft fibers, and polypropylene fibers of the high-strength composite geotextile are uniform in size and uniform in shape. The second bio-fiber geotextile, composed of animal fur fibers, plant stem and leaf fibers, and synthetic fibers, is needle-punched through the central pores of the grid-like structure of the high-strength composite geotextile and connected to the fibers of the first bio-fiber geotextile.

The utility model discloses a corrosion-resistant electric power fitting based on a graphene coating, comprising two bearing frames, the two adjacent bearing frames are mutually spliced, the upper end of the bearing frame is hinged with a cover plate, one end of the cover plate and one end of the bearing frame are fixedly provided with a reinforcing structure, the bearing frame and the reinforcing mechanism are clamped and installed through two U-shaped installation rods, and the two U-shaped installation rods are fixedly connected with the bearing frame. A cushion layer is arranged in the bearing frame, and the bearing frame is composed of a base body pretreatment layer, a conductive transition layer and a gradient functional layer. The electric power fitting provided by the utility model has good corrosion resistance and mechanical strength, can effectively reduce the problems of mechanical strength reduction and conductivity degradation caused by corrosion and damage, is helpful for maintaining the stable fixation and good conductivity of the cable, reduces the resistance and electric energy loss in the electric power transmission process, and improves the service life of the cable. The power transmission efficiency and stability are improved, and a powerful guarantee is provided for safe and reliable operation of a power system.

The stainless steel square tube easy to assemble comprises a first square tube and a second square tube, the first square tube and the second square tube are made of the same material, an inserting groove is formed in the right side of the second square tube, a clamping groove is formed in the top of the second square tube, an inserting block is fixedly connected to the left side of the first square tube, and an inserting groove is formed in the right side of the first square tube. And springs are fixedly connected to the bottoms of inner cavities of the inserting blocks, movable blocks are fixedly connected to the tops of the springs, and clamping blocks are fixedly connected to the tops of the movable blocks. The clamping block is pressed downwards to enable the movable block to move downwards, the movable block extrudes the spring to deform due to the influence of force, meanwhile, the clamping block shrinks into the inserting block, then the inserting block is inserted into the inserting groove, and when the inserting block enters the inserting groove and enables the clamping block to move to the parallel position of the clamping groove, the inserting block is inserted into the inserting groove. And the spring deforms again due to the influence of loss of force and drives the clamping block to bounce upwards to be clamped in the clamping groove, so that the first square pipe and the second square pipe are quickly assembled, and the working efficiency is improved.

The utility model relates to textile fabric technical field especially, it is a kind of textile fabric of application bio-based fiber. Fabric layer, the fabric layer is interwoven from bio-based fiber and polyester fiber and spandex fiber;Protective layer, is set to the top of the fabric layer;Skin layer, is set to the bottom of the fabric layer, including: hygroscopic layer, hygroscopic layer is interwoven from pure cotton fiber and spandex fiber, has good hygroscopicity;Comfort layer, comfort layer is formed by bio-based fiber spinning;And, the plurality of conductive fiber silk clamped between hygroscopic layer and comfort layer. Solve the technical problem that bio-based fiber textile fabric cannot satisfy wear resistance, antibacterial property.

The utility model discloses a portable sealing label which comprises a label body, the label body is composed of label paper, an anti-fake layer and a bonding layer, a composite protective layer is arranged at the upper end of the anti-fake layer, a composite release layer is arranged at the lower end of the bonding layer, backing paper is arranged at the lower end of the composite release layer, and the anti-fake layer and the bonding layer are bonded together. A cutting line is arranged on one side of the interior of the label body and penetrates through the label body, the anti-fake layer is arranged at the upper end of the label paper, the bonding layer is arranged at the lower end of the label paper, release paper is arranged at the upper end of the composite protection layer, and the release paper is arranged outside the composite protection layer in a bonding mode. According to the structure, the problems that the label is not convenient to uncover and the protection performance of the label is not good enough are solved.

The utility model relates to tunnel engineering safety protection equipment technical field provides a kind of tunnel chamber protective door, including door body, and door body includes: protective layer, functional layer and fireproof layer;Wherein, protective layer is set at the outside of door body, functional layer is set at the inside of door body, fireproof layer is set between protective layer and functional layer, and protective layer, fireproof layer and functional layer are detachably connected.The utility model is by adopting multilayer structure design, effectively promotes the overall security of protective door, can realize the block transport of door body, on-site assembly, can adapt to tunnel narrow space, reduce construction difficulty, improve installation efficiency;Functional layer is set at the inside of door body, can be integrated electromagnetic shielding material according to need, effectively blocks the influence of external electromagnetic interference to chamber equipment, guarantees the normal operation of communication equipment and data security;Connecting place fills sealant to ensure the sealing property of door body, help to maintain the stability of chamber environment, prolong equipment service life.

According to the trans-perovskite cell and the preparation method thereof, the n-type amorphous silicon layer is additionally arranged on the electron transmission layer, and the dual advantages of electron conduction and compactness of the n-type amorphous silicon layer are utilized, so that on one hand, electron transmission is not affected, and meanwhile, the conductivity of the n-type amorphous silicon layer is improved; on the one hand, damage to the perovskite layer due to magnetron sputtering and the like during preparation of the back electrode can be resisted, the efficiency of the assembly is improved, on the other hand, migration of metal ions in the back electrode and influence on the performance of the perovskite assembly can be effectively prevented, water and oxygen invasion can be effectively prevented, the stability of the trans-perovskite cell is improved, and the performance of the trans-perovskite cell is improved when the trans-perovskite cell is continuously operated for 450h at the maximum power point (MPP). After the n-type amorphous silicon layer is additionally arranged, the normalization efficiency is basically not attenuated.

This utility model provides a mobile payment QR code scanning box, belonging to the technical field of QR code scanning boxes. The mobile payment QR code scanning box includes a scanning platform body and a scanning dock inside the scanning platform body. Its features include: a protective component on the scanning surface of the scanning platform body, several reinforcing ribs on both sides of the outer wall, a maintenance door on the back, two integrally formed anti-slip strips on both sides of the bottom of the scanning platform body, and a mounting groove in the middle. A counterweight is magnetically attached inside the mounting groove, protruding from the groove and magnetically fixed to an external tabletop. The protective component on the top of the scanning platform body, the reinforcing ribs on the side walls, and the maintenance door on the back, combined with the mounting groove and counterweight, effectively solve the problems existing in current mobile payment QR code scanning boxes regarding fixing methods, scanning end protection, and dustproof performance.

The application relates to the cosmetic technical field, and particularly discloses a loose powder containing Schizosaccharomyces ferment filtrate and a preparation method thereof. The loose powder containing Schizosaccharomyces ferment filtrate comprises A phase, B phase, C phase and D phase; the A phase comprises the following raw materials in percentage by mass: 3-44 parts of a filler; the B phase comprises the following raw materials in percentage by mass: 1-50 parts of Schizosaccharomyces ferment, 0.1-0.5 parts of a preservative and 0.1-0.5 parts of a cool-feeling agent; the C phase comprises the following raw materials in percentage by mass: 1-10 parts of 1,1,1-trimethyl-N-(trimethylsilyl) silane amine pretreated silica; and the D phase comprises the following raw materials in percentage by mass: 0.5-1.5 parts of a preservative and 0.1-0.5 parts of a humectant. The loose powder containing Schizosaccharomyces ferment filtrate has the advantages of long-acting moisturizing, oil control and makeup fixing, can relieve makeup oxidation and has whitening.

The application belongs to the field of polymer compositions for mulching films, and particularly relates to a modified polylactic acid degradable mulching film for red kidney bean planting and a preparation method thereof. The modified polylactic acid degradable mulching film comprises the following raw materials in parts by mass: 40-60 parts of polylactic acid, 40-60 parts of polybutylene adipate terephthalate, 15-25 parts of drug-loaded nanometer microspheres, 4-6 parts of coupling agent modified degradation promoter, and 1-3 parts of lubricant. The drug-loaded nanometer microspheres are prepared by adding phenolated lignin into water to adjust pH, adding a pore former and a crosslinking agent, and preparing an aqueous phase; the aqueous phase and an oil phase are mixed and reacted to obtain porous nanometer microspheres; the porous nanometer microspheres are immersed in a pesticide solution for adsorption, and a coating liquid is added to obtain the modified polylactic acid degradable mulching film. The mulching film has strong mechanical properties; and the drug-loaded nanometer microspheres and the coupling agent modified degradation promoter are used in combination to match the degradation rate of the mulching film with the growth cycle of red kidney beans.