42results about How to "Avoid becoming" patented technology

The invention discloses a low-illumination image enhancement method and system, and belongs to the technical field of image processing. The method comprises the steps of converting an input original image into an HIS space from an RGB space, keeping the saturability and the hue component of the image unchanged, enhancing the brightness component, converting the image with the brightness enhanced into the RGB space from the HIS space and outputting the image. According to the low-illumination image enhancement method and system, the image brightness is improved, extremely-dark areas (the areas close to black) are prevented from being changed into bright-colored areas after being enhanced, and the image adapts to the human visual characteristics better. Meanwhile, the complexity is low, the calculation amount is small, high-definition images can be processed in real time, and the performance requirement for hardware can be lowered.

The invention provides a torpedo can spouting material and a spouting method thereof. The torpedo can spouting material comprises the following components in parts by weight: 20-35 parts of mullite particles with the particle size of 3-5mm, 20-35 parts of mullite particles with the particle size of 0-3mm, 5-20 parts of mullite fine powder not greater than 200 meshes, 15-30 parts of silicon carbide with the particle size not greater than 3mm, 1-6 parts of pure aluminate cement, 2-8 parts of aluminum oxide micro powder not greater than 320 meshes, 2-7 parts of silicon micro powder and 1-5 parts of titanium carbide not greater than 200 meshes; and the torpedo can spouting material mainly comprises the following chemical components in percentage by weight: 40-65% of Al2O3, 15-25% of SiO2 and 15-30% of SiC+C. The invention also further provides the spouting method of the spouting material. The torpedo can spouting material provided by the invention has favorable corrosive resistance and antioxidation.

The invention provides a method for artificial fertilization and hatching of hexagrammos otakii, which is used for solving the problems that spawns of the hexagrammos otakii in marine fishes have low fertilization rate and hatchability because the spawns have viscosity and become agglomerates when meeting sea water. The method adopts an artificial method to shape the spawns of the hexagrammos otakii into a planar type and then perform fertilization to prevent the viscid spawns from becoming the agglomerates so as to ensure that the spawns can fully and effectively contact sperms during the fertilization, the spawn fertilization rate is improved and can reach 93 percent under an artificial condition; besides, the method adopts hanging type hatching for spawn segments after artificial planar shaping to ensure that oosperms can obtain sufficient dissolved oxygen during the hatching and greatly improve the hatchability of the oosperms. Experiments show that the hatchability of the oosperms reaches 85 percent and is far more than 56 percent which is achieved under the conditions of the prior art.

The invention discloses a direct liquefaction process of coal mixed with medium and low temperature coal tar. The process comprises the following steps: carrying out purification treatment on the medium and low temperature coal tar, carrying out vacuum distillation or atmospheric distillation on the medium and low temperature coal tar subjected to purification treatment, and cutting the factions into heavy oil fractions and light oil fractions, wherein the temperature range of the cut point is 320-380 DEG C; subjecting a coal oil mixture obtained by mixing pulverized coal with the heavy oil fractions higher than the cut point, hydrogen and a catalyst to reaction in a primary reactor at a reaction temperature of 420-460 DEG C, sending a primary reaction product to the upper part of a secondary reactor, enabling a gas phase component in the primary reaction product to flow out from the top of the secondary reactor, enabling solid and liquid components in the primary reaction product to flow down in the secondary reactor to carry out countercurrent contact reaction with hydrogen flowing up at a reaction temperature of 430-480 DEG C, and carrying out fractional distillation after the reaction ends. The process has the effects of obviously improving the production efficiency of direct coal liquefaction, increasing the conversion rate of pulverized coal and improving the quality of naphtha and diesel products, and is suitable for the large-scale direct coal liquefaction industry.

The invention discloses a power load prediction method and device. The method comprises the steps of inputting an original data set into a BP neural network, performing traversal search to obtain positions of missing data, outputting missing data values, and performing missing data filling to obtain a complete data set; performing parameter optimization on the complete data set, and outputting anoptimal hyper-parameter to generate an optimal hyper-parameter vector; constructing an LSTM neural network by using the optimal hyper-parameter vector, and inputting training data to train the LSTM neural network to obtain an LSTM model; inputting test data, and testing the LSTM model; inputting characteristic values into the LSTM model passing the test, and carrying out power load prediction, wherein the characteristic values comprise air temperature, humidity, wind speed, historical data and prediction time points. The method has the advantages that the time and resources are reduced, and the prediction precision and authenticity are improved.

The invention specifically relates to a mining ball mill and an electric control system thereof, belonging to the field of mining machinery. The mining ball mill comprises a barrel, a mounting plate,a first motor, grinding balls, an ejection unit and a collecting box. Through arrangement of the first motor, the grinding balls and the ejection unit and the interaction among elastic bands, gears, racks, ejection plates, mounting blocks and limiting blocks, the elastic bands rotate to realize contraction and extension so as to allow the ejection plates to eject the grinding balls, so the grinding balls are improved in impact, friction and shearing effects on gold ore particles and fully grind the gold ore particles, which enables the grinding efficiency and effect of the gold ore particles to be improved; moreover, a power source generated during grinding of the gold ore particles is utilized, so an additional power source is not needed, and thus, the utilization rate of resources is improved and the manufacturing cost for the mining ball mill is reduced.

The invention provides a shifting register unit and a driving method thereof, a grid driving circuit and a display device. The shifting register unit comprises an input module, an output control module, a reset module, a reinforced reset module and an energy storage module; the first end of the energy storage module is connected with a first node; the output control module is suitable for outputting a driving signal through a driving signal output end when the level of the first node is a first level; the reinforced reset module is connected with the first node and a sixth input end, and is suitable for setting the voltage of the first node as voltage input by the sixth input end when the first node is at a second level and the input module is turned off. According to the shifting register unit provided by the invention, reinforced reset on the first node can be completed on the premise that a reinforced reset control module is not installed; compared with the shifting register unit which needs to install the reinforced reset control module in the prior art, the shifting register unit disclosed by the invention has the advantages that the layout area is reduced, and the side of the display device is helped to be narrowed.

The invention discloses a P2P downloading method and device. P2P downloading can be used effectively. The P2P downloading method includes the following steps of determining the sequence of downloading speeds at which a local node downloads data from neighbor nodes, and downloading the data from the neighbor nodes according to the determined sequence of the downloading speeds and a set downloading rule, wherein the downloading rule represents that the higher the downloading speeds corresponding to the neighbor nodes are, the higher the emergency degrees of the data download from the neighbor nodes are.

This invention relates to a multimedia ad issuance method and a system based on short message and color message of communication switch devices, in which, the system is a communication mode against acceptors based on various phones and various scales of switch devices to get number information of the acceptors by active issuance or passive reception to issue ad and connects communication switch devices by direct conection, LAN or internet, analyzes kind of the communication mode of the information resource of the acceptors to sort the object of the information source to collect and store the information source to ad acceptor information, which gets outgoing and access information by switch devices to get the contact way of ad acceptors of high degree of correlation to increase the efficiency of the ad issuance.

The invention discloses a deviation rectification device for reamed bolt holes and a manufacturing method of the deviation rectification device, and aims to provide a tool for reamed hole bolt connection, wherein the tool is short in maintenance time, low in maintenance intensity, economical and practical. The deviation rectification device comprises a part I and a part II which need to be connected through reamed bolts, holes A are formed in the part I, an eccentric bushing A is installed in each hole A, an eccentric hole is formed in the center of each eccentric bushing A, holes B are formed in the part II, an eccentric bushing B is installed in each hole B, an eccentric hole is formed in the center of each eccentric bushing B, the distance between the center of each hole A and the center of the corresponding hole B is set as e, the distance between the center of the corresponding eccentric hole and the center of the outer circle of each eccentric bushing A and the distance between the center of the corresponding eccentric hole and the center of the outer circle of each eccentric bushing B are g, the value of g is greater than or equal to 0.5e and is less than or equal to e, the end face of one end of each eccentric bushing A is provided with a tapered concave platform consistent with the axis of the corresponding eccentric hole, and the end face of one end of each eccentric bushing B is provided with a tapered convex platform matched with the tapered concave platform of the corresponding eccentric bushing A. The deviation rectification device for the reamed bolt holes and the manufacturing method of the deviation rectification device are suitable for manufacturing of the parts connected through the reamed bolts and particularly suitable for maintenance of the parts connected through the reamed bolts.

The invention provides a composition for increasing the first litter size of a sow, and belongs to the technical field of livestock breeding feed. The composition comprises, by weight, 0.3-0.5 part ofmulti-vitamins, 0.1-0.5 part of Baikal skullcap root extracts, 0.1-0.5 part of common jujube seed extracts and 1-1.5 parts of concentrated feed for the sow. The Baikal skullcap root extracts and thecommon jujube seed extracts cooperate with vitamin C in the multi-vitamins, stress of the expectant sow can be eliminated, the inner condition of a uterus is quieted, and the good inner condition of auterus is provided for fertilization and fertilized egg implantation. The concentrated feed for the sow is matched with beta-carotene and folic acid in the multi-vitamins, uterine specific protein secretion can be promoted, and conditions are provided for fertilized egg implantation. The four components are compounded, fertilized egg implantation can be advanced by 3-5 days, maternal nutrition israpidly acquired, the vitality and the survival number of fertilized eggs are increased, and 1-3 more piglets are produced by each sow at each birth.

The invention discloses a preparation process for synthesizing 2,6-dihydroxynaphthalene. The preparation process comprises specific steps as follows: (1) in an autoclave, adding 33-34 parts of 2,6-naphthalenedisulfonic acid disodium salt, 12-18 parts of sodium hydroxide and 50-52 parts of water, performing stirring and heating to 280-320 DEG C, and performing stirring for reaction at the temperature for 8-10 hours; (2) stirring the solution obtained after the reaction in the step (1) and cooling the solution to the room temperature, adding sulfuric acid with concentration of 40%-60%, and performing neutralization reaction until PH being 0.5-2; (3) filtering a suspension from the step (2), transferring filtered solids to a container, adding 150-152 parts of hexane, 0.1-0.15 parts of a copper salt catalyst and 1-1.5 parts of a phase transfer catalyst, performing stirring and heating to 30-60 DEG C, adding 12-50 parts of an oxidant with concentration of 20%-30%, and continuing reaction at30-70 DEG C for 2-4 hours to obtain a 2,6-dihydroxynaphthalene solution. The preparation process has the advantages that salt-containing wastewater is reduced, dosage of sodium hydroxide and potassium hydroxide is reduced, and the yield is significantly increased.

The invention relates to pure natural system cleansing oil with a skin care effect and a preparation method thereof. The pure natural system cleansing oil with the skin care effect comprises the following components: natural grease, a natural emulsifier, a Chinese honey locust extract, a hawthorn seed extract and vegetable wax. According to the cleansing oil disclosed by the invention, fat-soluble components which are difficult to clean, such as oil stains, a sun-screening agent, a film-forming agent and cosmetics, on the surface of skin are dissolved by utilizing the natural grease and the natural emulsifier, instant emulsification is realized through hand massage, and the cleansing oil can be used for cleansing the skin in the process of washing with flowing water. Hydrophilic groups of the triterpenoid saponin and the soybean lecithin dissolve the substances in water through hydrogen bonds, the substances are cleaned by flowing water, and meanwhile, the vegetable wax can increase the viscosity of the cleansing oil, so that the use pleasure and the operation convenience are improved. The used components are all natural source substances, synthetic grease, semi-natural source grease, petroleum source grease and surfactants are not used, the mildness of the product is improved, and the irritation and residue of the formula are reduced.

The invention relates to a plant composition with cleaning and repairing effects and use thereof. The plant composition with cleaning and repairing effects comprises a rice fermentation filtrate, a soapberry extract and a pepper seed extract. The rice fermentation filtrate, the soapberry extract and the pepper seed extract are creatively combined to form the brand-new plant composition. The rice fermentation filtrate, the soapberry extract and the pepper seed extract in the plant composition are scientifically combined, such that an unexpected synergistic interaction effect is achieved in cleaning skin grease and maintaining skin epidermis flora balance. The plant composition is natural, safe, mild and non-irritant, can be used for removing and washing daily cosmetics when being applied to preparation of cleaning type washing and care products, and has effects of cleaning and repairing skin and a good use feeling. The plant composition canobviously reduce the amount of a surfactant in the product, reduce damage to the skin epidermis barrier and prevent sensitivity of the skin.

The invention discloses an adjustable fender for cars. The adjustable fender comprises a fender body; a lower end of the fender body is provided with an arc-shaped mounting groove; a bottom and two sides of the mounting groove are open; the width of the mounting groove is the same as the width of the fender body; a rubber block is arranged in the mounting groove, and the width of the rubber blockis the same as the width of the mounting groove; the lower end of the mounting block extends to the outside along the opening at the lower end of the mounting groove and is fixedly mounted with a pullstrip; a bottom surface of the pull strip is arranged in an arc shape, and a rectangle structure hollow cavity is arranged in the rubber block, and more than one spring is arranged in the cavity; anupper end of the spring is fixedly connected with the top surface of the cavity, and the lower end of the spring is fixedly connected with the bottom surface of the cavity; an outer wall surface of the spring is abutted to the inner wall surface of the cavity. The invention has the advantages of simple structure and convenient use, and can effectively adjust the height between the fender and the ground according to different road sections, thereby avoiding the fender becoming a scraping board and increasing the service life of the fender.

The invention relates to an auxiliary structure of cylinder gluing equipment and particularly discloses a supporting ring for a hot-press gluing machine. The supporting ring comprises a clamping block clamped on a machine body, multiple adjusting screws connected to the clamping block in a threaded manner and radially distributed, and an arc-shaped block connected with the heads of the screws. The situation that a machined cylinder is deformed due to the influence of dead weight can be avoided.

The invention provides a high-electron-mobility transistor epitaxial wafer preparation method capable of improving crystal quality, and belongs to the technical field of semiconductor devices. And carrying out plasma treatment on the surface of the AlN layer by using N2O gas. And carrying out plasma treatment on the surface of the AlN layer by using the nitrogen atom group and the oxygen atom group with positive charges. The nitrogen atom groups with positive charges can fill nitrogen vacancy defects in the AlN layer of the negative electrode, and the defects are reduced. Oxygen atoms with negative charges are decomposed from oxide on the surface of the silicon substrate and are combined with oxygen atoms in the N2O plasma to generate oxygen molecules, and impurities are reduced. The hydrogen carries out plasma treatment on the surface of the AlN layer, and hydrogen atoms and oxygen atoms can be combined to generate H2O which is discharged out of the reaction cavity. Defects and impurities existing in the AlN layer are effectively reduced, and the quality of the AlN layer is effectively improved, so that the quality of the finally obtained high-electron-mobility transistor is improved.