211results about How to "Quality is not affected" patented technology

The invention discloses a magnesium-based cobalt precipitation agent and a preparation method and application thereof, and relates to the technical field of composite materials. The method comprises the following steps: performing calcination dissociation, enhanced leaching, carbonization separation, efficient pyrolysis, solid-liquid separation, drying and calcination on first magnesium ore to obtain active magnesium oxide; the second magnesium ore is subjected to calcination dissociation, hydration impurity removal, solid-liquid separation and low-temperature calcination, and then high-purity magnesium oxide is obtained; performing series-parallel modification on active magnesium oxide and high-purity magnesium oxide to obtain a magnesium-based cobalt precipitation agent; the mass ratio of the active magnesium oxide to the high-purity magnesium oxide is 1: (2-10), the modifier is quaternary ammonium salt organic powder, and the addition amount of the modifier is 0.02-1% of the total mass of the magnesium oxide. The magnesium-based cobalt precipitation agent prepared through the method is high in activity, has the advantages of being high in efficiency, low in price, low in unit consumption, environmentally friendly and the like in the aspect of nickel and cobalt precipitation through copper-cobalt ore and laterite-nickel ore wet smelting, and can greatly reduce the material cost in the nickel cobalt hydroxide production process.

The invention discloses a gene for enhancing gray mold resistance of strawberry fruits and application of the gene, and belongs to the technical field of gene engineering. The nucleotide sequence of the gene disclosed by the invention is as shown in SEQ ID NO.7. The invention provides the gene for enhancing the gray mold resistance of the strawberry fruit, the gene is introduced into the strawberry body to realize stable overexpression, the gray mold resistance of the strawberry fruit is obviously enhanced, the gene has no influence on the quality of the strawberry fruit, and a new gene resource and a theoretical support are provided for breeding of strawberry varieties with high gray mold resistance.

The utility model provides an outdoor Bluetooth sound equipment with good waterproof effect, which relates to the technical field of Bluetooth sound equipment and comprises a shell and a sound box mechanism, a partition plate is fixedly connected inside the shell, and the sound box mechanism is arranged on the inner side of the shell. Through the arrangement of the sound box mechanism, a battery can be charged without using a charging interface through the wireless charging coil, the integrity of the shell is protected, and through the arrangement of the loudspeaker assembly, the waterproof sound transmission film prevents water from permeating into the loudspeaker and does not affect the quality of sound played by the loudspeaker at the same time. The protection cover can protect the waterproof sound transmission film from being damaged by sharp objects, the sealing performance of the waterproof sound transmission film is protected, through the arrangement of the waterproof assembly, the cavitation column can float upwards when the equipment is completely immersed in liquid, one side of the loudspeaker assembly is made to float on the water surface, and water leakage caused by the fact that the sealing performance of the equipment is damaged by water pressure in the deep position of the liquid is prevented. The sealing ring can further prevent liquid from permeating into the equipment, and the waterproof performance is further improved.

The present application discloses a method, device, equipment and storage medium for reconstructing a three-dimensional model, the method comprising: performing multi-directional image acquisition on an object to be reconstructed to obtain a plurality of images of the object to be reconstructed; inputting each of the images of the object to be reconstructed into a trained de-reflection model for de-reflection processing to obtain a plurality of de-reflection reconstructed object images; wherein the de-reflection model performs multiple down-sampling and multiple up-sampling on the input image in sequence, and fuses the result of each up-sampling and the input image through channel splicing and transposed convolution to obtain a de-reflection image; performing de-occlusion processing on the occluded area of ​​each de-reflection reconstructed object image based on the occlusion mask map of the occluded area in each de-reflection reconstructed object image through a pre-trained de-occlusion model to obtain a plurality of processed reconstructed object images; performing three-dimensional reconstruction using each of the processed reconstructed object images to obtain a three-dimensional model of the object to be reconstructed.

The invention relates to an artificial rotator cuff patch and a knitting method, and relates to the technical field of rotator cuff repair. An artificial rotator cuff patch comprises an upper-layer woven structure, a middle-layer woven structure and a lower-layer woven structure which are stacked from top to bottom, the middle-layer woven structure and the lower-layer woven structure are used for bearing medicine, a circle of overlock fixing structure is formed on the edge of the patch, a plurality of lock holes are formed in the inner side of the overlock fixing structure, and a ring is defined by the lock holes. The knitting method of the artificial rotator cuff patch comprises the following steps: respectively knitting to form an upper-layer knitting structure, a middle-layer knitting structure and a lower-layer knitting structure; the upper-layer woven structure, the middle-layer woven structure and the lower-layer woven structure are stacked into a whole, and the edges are subjected to edge locking to form an edge locking fixing structure; a protruding annular edge is formed on the inner side of the overlock fixing structure in a woven mode, and the annular edge forms the lock hole in a surrounding mode. According to the artificial rotator cuff patch and the knitting method, integrated knitting is adopted, cutting does not exist, and the strength and durability are better.

The invention relates to a robust image watermarking method, system and terminal based on a conditional diffusion model, and relates to the field of robust image watermarking technology, and the method comprises the steps: carrying out the training step in a circulating manner according to the training step information, and the training step comprises the steps: obtaining the training original image information and the training watermark information; determining training condition noise image information according to the training original image information; the training condition noise image information, the training original image information and the training watermark information serve as input to control a training encoder to generate coded image information; taking the coded image information as input to control an attack layer to generate attack image information; the attack image information serves as input to control a training decoder to generate training decoding watermark information; and calculating loss function information according to the training original image information, the encoding image information, the training watermark information and the training decoding watermark information, and updating encoder parameter information and decoder parameter information according to a gradient descent method. The method has the effect of improving the watermark performance.

The invention discloses a metal-free catalyst ZrC whisker as well as a preparation method and application thereof, and belongs to the technical field of ultrahigh-temperature ceramic materials. The preparation method comprises the following steps: dissolving a zirconium source and sodium fluoride in N-N, dimethylformamide to prepare a metal salt solution; adding a carbon source into the metal salt solution to obtain a spinning precursor solution; wherein the carbon source is simultaneously used as a carbon source and a spinning auxiliary agent, and the carbon source is polyacrylonitrile or polyvinylpyrrolidone; carrying out electrostatic spinning by adopting the spinning precursor solution to obtain a primary spun yarn; and carrying out high-temperature carbonization on the initial spinning yarns to obtain the ZrC crystal whiskers. As no metal catalyst is used, the ZrC whisker prepared by the method is free of impurities and high in purity, and large-scale and simple preparation of the ZrC whisker can be realized.

The invention discloses a self-locking repeated socket high-voltage cable connector, and relates to the technical field of high-voltage cable connectors, the connector comprises a connector body, the connector body comprises a male head and a female head, and the connector also comprises two groups of connecting assemblies which are respectively arranged at the top and the bottom of the connector body, the connecting assembly comprises a connecting plate fixed on the surface of the male head, the surface of the connecting plate is fixedly connected with an inserting rod, and when the male head and the female head are in butt joint, the two protruding blocks drive the clamping block to extrude the spring and move into the movable groove, so that the inserting rod can penetrate through the fixing plate, and the inserting rod is inserted into the fixing plate. Then the clamping block enters the insertion rod under the counter-acting force of the spring, so that the male head and the female head can be locked, the operation is simple and quick, self-locking quick insertion and extraction can be realized, external tools are not needed, the mounting efficiency and the connection stability are improved, the phenomena of loosening and breaking are avoided, and the safety risk is reduced.

The invention discloses a method for creating cadmium-resistant rice with low grain cadmium accumulation and application. The rice oshma3oslct1 double mutant expressing the Cd binding autophagy adapter protein AIM-SpMTL-GFP is constructed through CRISPR-Cas9, so that the transfer of Cd from xylem to phloem and the accumulation of Cd in root vacuoles are reduced, meanwhile, the Cd binding autophagy adapter protein AIM-SpMTL-GFP can also accumulate cadmium in protoplast vacuoles of leaves, the yield and quality of rice grains are not influenced, and the yield and quality of the rice grains are greatly improved. Cd accumulation of grains is reduced, and Cd is enriched into straws at non-edible parts, so that industrial treatment is facilitated. The cadmium-resistant rice with low grain cadmium accumulation can reduce cadmium pollution in a food chain, so that the harm of cadmium to a human body is reduced.

The invention discloses active magnesium oxide and a preparation method thereof, and relates to the technical field of magnesium oxide preparation. The method comprises the following steps that first magnesium ore is subjected to calcination dissociation, enhanced leaching and carbonization separation, and then calcium carbonate and an active low-calcium magnesium-rich solution are obtained; carrying out calcining dissociation and mechanical fine grinding on the second magnesium ore to obtain a fine material, or directly carrying out mechanical fine grinding on the second magnesium ore to obtain the fine material; the active low-calcium magnesium-rich liquid is pumped into a hydration activation tank, stirring is started, then the fine material is conveyed to the hydration activation tank, the active low-calcium magnesium-rich liquid and the fine material are subjected to a hydration reaction, and composite magnesium salt is formed; and drying and scattering the composite magnesium salt, conveying to a calcining furnace, calcining, cooling and spirally discharging to obtain the active magnesium oxide. The magnesium oxide prepared by the method is moderate in density, rich in active sites and good in dispersity, has excellent adsorption, hydration and ionization properties, has remarkable effect and cost advantages as an alkaline precipitator, and is beneficial to market popularization and application of high-activity magnesium oxide products in the fields of environmental protection and metallurgy.

The invention relates to the technical field of intelligent specimen management methods, in particular to an intelligent specimen management method and system for medical examination, and the method comprises the following steps: building a specimen storage information database; environment parameters of the specimens in the transportation process are updated in real time; based on the updated environmental parameters, intelligently predicting the transportation risk of the specimen by using a progressive risk prediction algorithm, and verifying whether the specimen meets the detection requirements or not; state detection is carried out on the specimens meeting the detection requirements, image information and / or video information of the specimens are / is obtained and used for further inspection of the specimens, intelligent assessment can be carried out on the transportation risk of the specimens through a progressive risk prediction algorithm, multi-level risk assessment is achieved, and the risk assessment efficiency is improved. Particularly, through superposition and complementation of a self-adaptive nonlinear risk function, risk curvature analysis, entropy weight optimization and other methods, the algorithm still keeps high adaptability and foresight under different environment changes.

The invention discloses a pig feed conversion rate related SNP molecular marker as well as a screening method and application thereof, and belongs to the technical field of molecular biology. The SNP molecular marker related to the pig feed conversion rate is located at the 235291491th site of a chromosome 1 in an international pig reference genome 11.1 version, and is obtained by screening through the following steps: (1) constructing a pig feed conversion rate phenotype; (2) collecting a pig tissue sample and extracting DNA; (3) sequencing and performing quality control on the SNP molecular marker; and (4) carrying out whole genome selection signal detection based on a population differentiation index method, and screening out the SNP molecular marker. The invention aims to screen out the SNP molecular marker related to the feed conversion rate character, and provides a new thought for cost reduction and efficiency improvement of actual production work.

The invention discloses an active and passive mode locking combined femtosecond disc laser, and belongs to the field of disc laser. The femtosecond disc laser comprises a pumping source, a pumping cavity, a disc laser crystal and a resonant cavity, pumping laser emitted by the pumping source is reflected for multiple times in the pumping cavity and passes through the disc laser crystal for multiple times to generate oscillation laser; the resonant cavity comprises a first branch and a second branch, the first branch comprises a dispersion mirror group, a hard diaphragm and an output mirror which are sequentially arranged along a light path, and the second branch comprises a first concave mirror, a second concave mirror, a first high-reflection mirror, a third concave mirror, an acousto-optic modulator and a second high-reflection mirror which are sequentially arranged along the light path; the acousto-optic modulator is located at the focal point of the third concave mirror, and modulates periodic loss and starts passive mode locking in the active mode locking process; oscillation laser generates a femtosecond laser pulse sequence after passing through the acousto-optic modulator, the femtosecond laser pulse sequence is reflected to return to the disc laser crystal along the original path and enters the first branch, and the femtosecond laser pulse sequence is output through the output mirror.

The invention discloses a method for preparing propoxyglycerol fatty acid ester, and relates to the technical field of preparation of propoxyglycerol fatty acid ester. A method for preparing propoxyglycerol fatty acid ester comprises the following steps: glycerol polyoxypropylene ether and fatty acid are mixed, a catalyst is added, esterification reaction is carried out under the conditions of temperature 120-180 DEG C, dehydration operation is carried out simultaneously, and then filtered and refined to obtain propoxyglycerol fatty acid ester. The method for preparing propoxyglycerol fatty acid ester of the present invention reduces the reaction temperature and increases the reaction rate by adding a catalyst, ensures that the feed ratio of the fatty acid and glycerol polyoxypropylene ether put into is equivalent, there will be no large amount of fatty acid residues, and the catalyst is easy to remove, will not affect product quality, and can also be recycled and reused; meanwhile, the obtained crude product has a low acid value, is convenient for subsequent refining operations, is more efficient, has low cost, and is more economical.

The invention discloses a brewing method of flavor vinegar, and relates to the technical field of table vinegar, the brewing method comprises the steps of crushing, size mixing, gelatinization, stirring of fermented grains, bilateral fermentation, aging of the fermented grains, smoking of the fermented grains, vinegar spraying, vinegar decocting, aging and the like, sorghum, tartary buckwheat and the like are adopted as raw materials, the taste and nutrition of the table vinegar are enriched, corn stigma is mixed with water for water extraction, cooking and gelatinization are performed, and then stirring of the fermented grains is performed. Alcohol extraction is carried out by virtue of alcohol fermentation of other raw materials, after two times of extraction, the table vinegar is rich in phenolic and flavonoid compounds, the phenolic and flavonoid compounds do not influence the quality of the table vinegar, and meanwhile, more pharmacological effects can be added to the table vinegar.

The invention provides a method for improving the L * color of polymerized MDI by using organic alkali and an oxidizing agent. By using the method, the L * color of a polymerized MDI product can be improved. Comprising the following steps: 1) adding organic alkali and an oxidizing agent into polymerized MDI; and 2) reacting the mixed solution obtained in the step 1) under a stirring or standing condition to obtain the treated polymerized MDI.

The invention provides a butylphthalide injection and a preparation method thereof, and relates to the technical field of medicines.The butylphthalide injection comprises butylphthalide, cholate, phospholipid and water for injection, the cholate is prepared through a reaction of cholic acid and sodium hydroxide; the molar ratio of the phospholipid to the cholic acid is (0.3-1.2): 1. The mass fraction of butylphthalide in the butylphthalide injection is 0.025%-1%, the butylphthalide, cholate and phospholipid are mixed and proportioned under the conditions of certain concentration and mass ratio and cholic acid and phospholipid in the cholate under the condition of certain molar ratio, and the butylphthalide injection of a clear solution is prepared; the preparation process of the butylphthalide injection is simple, the stability of the injection is further improved through repeated dissolving and stirring, clinical medication requirements are met, and industrial production is facilitated.

The utility model discloses raw material juicing equipment for blended fruit juice production, which comprises a base, the outer wall of the top of the base is fixedly connected with a squeezing device, the inner wall of the top of the squeezing device is fixedly connected with a feeding guide plate, and the outer wall of the bottom of the squeezing device is fixedly connected with a distributing guide plate. According to the squeezing device, through cooperation of the positioning block and the connecting plate, when the interior of the squeezing barrel needs to be cleaned, the rotating button is rotated to move upwards on the screw rod and break away from the connecting plate, then the screw rod is rotated to break away from the connecting groove, and the opening and closing plate can be opened; the inside of the squeezing barrel is completely exposed, an operator can conveniently and comprehensively clean residual pulp, juice and the like, two flow guide plates are arranged through the material distribution guide plate, one flow guide plate is located below the filter screen, and the other flow guide plate is located below the discharging plate, so that the juice and pomace can be respectively guided through one component.

This invention belongs to the field of functional substance research, specifically relating to the use of casein hydrolyzed peptide compositions in improving aging, and more specifically to their use in the preparation of products for improving aging. The casein hydrolyzed peptide compositions are obtained by enzymatically hydrolyzing casein solution using serine protease and flavor protease. Furthermore, in the casein hydrolyzed peptide compositions, the relative strength of total functional peptides is above 25%, the relative strength of casein phosphopeptides is above 9%, and the relative strength of functional peptides other than casein phosphopeptides is above 11%. This casein hydrolyzed peptide composition can effectively alleviate oxidative stress caused by aging, inhibit chronic low-grade inflammation, reduce aging-related damage to vital organs such as the liver and brain, improve the body's immune function, and improve the external phenotype of aging, thereby comprehensively exerting an anti-aging effect.

The invention relates to a food material sterilization device which comprises a mixing cavity, a gas injection cavity, a degassing cavity and an overflow assembly, the mixing cavity is provided with a material inlet, the gas injection cavity is provided with a body inlet, the gas injection cavity is arranged on the side of the mixing cavity, and the gas injection cavity and the mixing cavity are communicated through a gas injection hole; the degassing cavity is arranged below the mixing cavity, the degassing cavity and the mixing cavity are communicated through a material guide channel, the overflow assembly comprises a rotating shaft, a multi-layer overflow disc and a rotary driving device, the multi-layer overflow disc is connected to the rotating shaft, the multi-layer overflow disc sequentially receives falling food materials, and the rotary driving device is used for driving the rotating shaft to rotate. According to the food material sterilization device, the high-viscosity materials can be uniformly and rapidly heated, on the basis of not increasing the water content of the materials and not influencing the quality of the materials, the gas content of the materials is reduced, the quality of the materials is improved, and rapid sterilization of the high-viscosity food materials is achieved.

The invention provides a method for recycling waste acid in a steel cord electroplating process. The method comprises the following steps: collecting waste acid discharged by an electrolytic pickling tank; freezing crystallization treatment is performed at low temperature, ferrous sulfate is separated out through crystallization, and pretreated acid liquor is obtained after recovery; filtering the acid liquor to remove oil sludge impurities in the acid liquor, and storing at normal temperature; after secondary filtration of the acid liquor, part is pumped out and diluted with water, the concentration of iron ions and organic matter in the acid liquor is reduced, the acid concentration is controlled, and diluted acid liquor is obtained; concentrated sulfuric acid and diluted acid liquor are used for reconfiguration, and new dilute sulfuric acid is obtained; and dilute sulfuric acid is added into the electrolytic pickling tank for electrolytic pickling operation. According to the method, ferrous sulfate can be recycled from the waste acid, resource utilization of the waste acid is achieved, meanwhile, a dilute sulfuric acid preparation method is optimized, precipitates, impurities and acid liquor turbidity are reduced, the quality of prepared electrolytic pickling sulfuric acid is improved, the surface quality of a steel wire and the efficiency of an electrolytic polar plate and a heat exchanger are not affected, recycled waste acid is treated and utilized, and the economic benefit is increased. And emission and pollution are reduced.

The utility model discloses an adhesive viscosity adjusting device relates to adhesive production device design technical field, including support base plate, viscosity adjusting unit and material containing viscosity adjusting unit, and four corners of support base plate downside surface are fixedly connected with a steady support leg respectively, the upside surface of support base plate is provided with material containing viscosity adjusting unit, and viscosity adjusting unit contains fixed vertical rod, spacing slide post, electric push rod, height adjusting sliding block, fixed cross bar and fixed round cover, one fixed vertical rod is fixedly connected in material containing viscosity adjusting unit material containing bucket fixed base rear side, be provided with a slide hole on fixed vertical rod, one spacing slide post is fixedly connected in the slide hole, mix more evenly, do not influence adhesive quality, the device of adjusting, dismouting is more convenient, do not influence internal cleaning speed, reduce manpower cost, do not influence subsequent production use.

The utility model relates to the field of grinding roller presses for cement crushing, in particular to a hydraulic device for a roller press. The device specifically comprises a rack, a fixed roller bearing seat and a floating roller bearing seat are arranged on the rack, a double-acting hydraulic cylinder is further connected to one end of the rack, mounting cavities are formed in the two ends of the double-acting hydraulic cylinder respectively, radial spherical plain bearings are embedded in the mounting cavities respectively, one end of the hydraulic cylinder is connected to the floating roller bearing seat through a pin shaft A, and the other end of the hydraulic cylinder is connected to the floating roller bearing seat through a pin shaft B. And the other end of the hydraulic cylinder is connected with the rack through a pin shaft B. The hydraulic cylinder has the advantages that the mounting cavity is formed in the hydraulic cylinder, the radial spherical plain bearing is embedded in the mounting cavity, and the inclination angle can be adjusted to be 3-15 degrees in the radial direction of the hydraulic cylinder under the adjustment of the pin shaft, so that the load cannot be directly applied to the pin shaft or a piston of the hydraulic cylinder, the abrasion of movable parts can be reduced, and the service life of the hydraulic cylinder is prolonged. The service life of equipment is prolonged.

The invention relates to a melt spinning device for producing melt-spun filaments, in particular filaments comprising polyamide, which release monomer and / or oligomer compounds during extrusion, having a spin beam for extrusion and a cooler for cooling the synthetic filaments, an extrusion zone being formed between the cooler and the spin beam via which the filaments are fed to the cooler, a guide ring for feeding the filaments into the cooler and for collecting monomer and / or oligomer compounds which can form deposits being located at an inlet opening of the cooler, the guide ring having a removal device for removing deposits which acts on predetermined sides of the guide ring; and to a related method for producing melt-spun filaments, in particular filaments comprising polyamide, which release monomer and / or oligomer compounds during extrusion, which can form deposits on internal components of the melt spinning device.

The present application relates to the technical field of genetic engineering, in particular to a rice G1 gene mutant g1-1437, its molecular marker and application. The rice G1 gene mutant g1-1437 provided by the present application takes rice G1 gene as reference sequence, the nucleotide sequence of the rice G1 gene is shown as SEQ ID NO. 8; the gene mutant g1-1437 comprises a mutation site that base C at the 112th position is mutated into base T. The mutation causes the chaff homologous transformation of rice into glume shell substances, which can be used as a phenotype screening marker of transgenic rice. The present application further provides a molecular marker identification method of the mutant, which has a good application prospect in the transference of new germplasm.

The present invention relates to the technical field related to lamp housing molds, and discloses an integrated injection mold for producing automobile lamp housings. The grinding device comprises a grinding tool and a grinding cylinder. The outer side of the push rod is eccentrically sleeved with a grinding cylinder, and the inner side of the grinding cylinder is fixedly provided with a plurality of grinding tools. When rotating, since the grinding cylinder is provided with a plurality of grinding tools, the grinding tools will grind the surface of the push rod to ensure the smoothness of the push rod surface. At the same time, since the second cavity is eccentrically arranged, during grinding, the second cavity in the grinding cylinder will discharge the debris generated by grinding. At the same time, when the toothed cylinder rotates, the surface of the push rod is better guaranteed to be smooth, and the appearance and quality of the lampshade are not affected when being ejected, thereby better ensuring the production process.

The utility model belongs to the technical field of instant noodle seasoning bag smashing, and particularly relates to an instant noodle seasoning powder raw material smashing machine with an anti-blocking function, which comprises a processing box and further comprises a fixing plate movably mounted on the surface of the processing box, and screws are mounted in the fixing plate in a penetrating manner. Roll shafts are movably installed at one ends of the fixing plates, motors are movably installed on the surfaces of the roll shafts, oil holes are formed in the tops of the roll shafts in a penetrating mode, the roll shafts can be fixed to the surface of the machining box through the fixing plates and then fixed through screws, and after the fixing plates are fixed, the roll shafts can be driven to rotate by starting the motors. During long-term use, when the roll shaft needs to be oiled, the screws are detached, the fixing plates are taken down, then the connection position of the roll shaft and the motor is oiled conveniently, lubricating oil can lubricate the interior of the roll shaft through the oil holes, the roll shaft can be used in cooperation, oiling work can be facilitated, the roll shaft cannot be clamped after long-term work, and ideal smashing can be achieved.

The utility model discloses heating equipment for foaming and forming soles, which comprises a heating shell and a heating pipe embedded in the heating shell, and a liftable stirring component is mounted at the top of the heating shell. Driving assemblies used for driving the stirring assemblies to ascend and descend are installed at the positions, corresponding to the stirring assemblies, of the two sides of the heating shell. Foaming materials are heated through the heating pipe embedded in the inner wall of the heating shell, the servo motor is used for driving the driving gear to be meshed with the driven gear, the stirring paddle is driven to rotate to achieve shearing and stirring, meanwhile, the electric telescopic rod drives the machine shell and the stirring paddle to ascend and descend, all-directional mixing of the foaming materials is achieved, and heating uniformity is improved; in addition, when the machine shell ascends and descends, a mounting ring at the bottom of a connecting rod and an annular scraping plate are driven to scrape the inner wall of the heating shell, foaming material adhesion is effectively avoided, and the production quality is guaranteed.

The invention relates to the technical field of plant genetic engineering and molecular breeding, in particular to application of CmBt and CmBr genes in regulation and control of bitter taste of muskmelon fruits. Physical interaction exists between muskmelon fruit bitter taste regulation factors CmBt and CmBr proteins, and expression of a bitter taste synthesis key gene CmBi is synergistically activated; the CmbtCmbr double mutants are constructed through a gene editing technology, it is proved that double-gene knockout has a synergistic effect, and the content of cucurbitacine B in all tissue of muskmelon can be more remarkably reduced; field trials show that under induction of forchlorfenuron, bitter taste of fruits of the CmbtCmbr double mutant completely disappears, the effect of the CmbtCmbr double mutant is remarkably superior to that of a single-gene mutant, and quality characters such as fruit weight and sugar degree are not negatively influenced; effective gene resources and germplasm materials are provided for solving the industrial problem that fruits become bitter due to the fact that plant growth regulators are used in muskmelon production.

The present invention relates to the technical field of steel plate transportation, and in particular to a steel plate transportation protection device, comprising: a double-sided component, including a receiving part, a moving part and an extension part, the moving part is arranged on the receiving part, and the extension part is arranged on the moving part; a positioning component, including a fixing part, a resistance part and an unfastening part, the fixing part and the resistance part are arranged on the receiving part, and the unfastening part is arranged on the fixing part; a limiting component, including a follower, an auxiliary part and a swinging part, the follower is arranged on the resistance part, and the auxiliary part and the swinging part are arranged on the receiving part. The design of the present invention significantly improves the transportation efficiency. Since a certain number of steel plates can be carried and firmly fixed on the transportation vehicle, the readjustment and potential delay caused by the movement of the steel plates are reduced. At the same time, the safety risks faced by the staff are reduced, and the safety of the staff is better guaranteed.