524results about How to "Reduce quality loss" patented technology

The invention discloses a fast and efficient video coding intra mode determining method. The fast and efficient video coding intra mode determining method includes the steps of prediction manner configuration and prediction mode selection. According to the prediction mode selection, the correlations between brightness intra prediction modes of a current CU layer and brightness intra prediction modes of CU layers above the current CU layer, the correlation between CBF and TU segmentation depth, and the correlations between chroma intra prediction modes of adjacent CU layers are utilized, and redundant intra mode prediction can be skipped, and therefore, coding computation complexity can be decreased. According to the correlation between a cost function and RDcost and the correlations between chroma intra prediction modes and brightness intra prediction modes, a minimum-cost prediction mode and an optimal brightness prediction mode in RMD are added in a brightness and chroma intra prediction process, and therefore, video coding efficiency and video quality can be ensured. Compared with high efficiency video coding (HEVC) standards in the prior art, the fast and efficient video coding intra mode determining method of the invention can greatly decrease coding computation complexity under the premise that bit rate and video quality are almost unchanged.

It is an object to provide a semiconductor display device having a touch panel, which can reduce power consumption. The semiconductor display device includes a panel which is provided with a pixel portion and a driver circuit which controls an input of the image signal to the pixel portion, and a touch panel provided in a position overlapping with the panel in the pixel portion. The pixel portion includes a display element configured to perform display in accordance with voltage of the image signal to be input, and a transistor configured to control retention of the voltage. The transistor includes an oxide semiconductor in a channel formation region. The driving frequency of the driver circuit, that is, the number of writing operations of the image signal for a certain period is changed in accordance with an operation signal from a touch panel.

Method for controlling radio transmission of audio data, wherein audio data from an audio player device is FM-modulated and transmitted to be received by an RDS capable FM radio receiver, comprising selecting at least one frequency, transmitting said selected frequency as Alternate Frequency of the RDS system to be received by said RDS capable FM radio receiver, receiving an input and responsive thereto interrupting said audio transmission, switching to said transmitted frequency, and resuming transmission of said audio data using said transmitted frequency.It is also provided an electronic device for radio transmission of audio data from an audio player device for being received by an RDS capable FM radio receiver, comprising a controller adapted for selecting at least one FM radio frequency, an audio input interface for receiving audio data from said audio player device, a transmitter adapted for modulating received audio data with FM modulation, and transmitting said FM modulated audio data on a frequency selected by said controller, and an input element for receiving an input, wherein said controller is further adapted for controlling said transmitter to transmit said selected FM radio frequency as Alternate Frequency of the RDS system, detecting an input to said input element and responsive thereto interrupting the transmission of said audio data, switching to said transmitted frequency, and resuming transmission of said audio data using said transmitted frequency.

A nozzle structure for a paint spray gun, is comprised of a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, apparatus for providing, compressed air via the bores for delivery to the annular duct, and an air reversingdeflection disk located inside the annular duct and opposite the bores.

A process for modeling a 3D scene is provided which comprises validating the model by determining a maximum permitted distortion (5) on a 2D synthesized image (4), generated by the approximation inherent in the model (2); calculating for a point I of a reference image (7) and on a set of synthesized images (4) representing the 3D point of the scene corresponding to this point I, of the minimum (zi−Δzi1) and maximum (zi+Δzi2) depth values of the depth zi of this point I corresponding to this maximum distortion, calculating a span around the depth zi of this point I, dependant on the minimum value of the error Δzi2 and on the minimum value of the error Δzi1 among the values calculated for the synthesized images of the set.

The invention relates to a water swelling polyurethane elastomer sealing product material and a preparation method. The material is prepared from the following three components (A), (B) and (C) through polymerization reaction of two steps, the elastomer material has water swelling property, and a main chain structure of material molecules absorbs water, wherein the (A) is hydrophilic polyether type polymer1polyol; the (B) is polyisocyanates; and the (C) is low-molecular polyol and amino chain-extended crosslinker. The molar ratio of the (B) to the (A) in an isocyanate end capping reaction is 1.3 to 2.8; and the molar ratio of a product of the isocyanate end capping reaction of the (A) and the (B) to the (C) in a chain-extended crosslinking reaction is 0.75 to 1.05. In the preparation method for the material, the reaction of the two steps is a reaction process of liquid polymerization, and the production of a product is an elastomer casting-molding process. The material has the characteristics of small mass variation rate and stable physical performance after the material absorbs the water repeatedly to swell, and permanent compression deformation and small stress relaxation.

A Ni-based alloy powder for processing or reparing the surface of iron and steel workpiece by spray and melting it contains C (0.4-1.2%), Si (3.5-5.0), B(2.5-4.5), Cr (13.0-20.0), Fe (0-17), V (0.5-1.8), Al (0.5-4.0), Ni and one of Nb, Ti, W, Mo and Cu. Its advantage is high antiwear property.

The invention relates to a method for preparing water-expandable polyurethane elastomer, comprising the following steps: adding polyether glycol, isocyanate, plasticizer and nano-filler at a weight ratio of 70-90: 10-20: 10-25: 3-5 to a reaction kettle; heating, stirring; preparing polyurethane prepolymer having free isocyano-content after vacuum dehydration and reaction; uniformly mixing the prepolymer, chain extendor or crosslinking agent and catalyst; vulcanizing at controlled temperature or vulcanizing at room temperature and then secondarily vulcanizing at controlled temperature to prepare high-performance water-expandable polyurethane elastomer. The prepared elastomer has wide adjustable range of rigidity, high strength, and small loss of weight after expansion; the expansivity is high with many times of repeated expansion, and the expansion magnification is adjustable; with simple production technology, the prepared expandable polyurethane elastomer is widely applied to engineering fields such as bridge, subway, tunnel, water supply and drainage, mine water prevention and water leakage prevention.

The invention relates to an environmental-friendly polyvinyl chloride (PVC) extraction-resistant anti-seepage film and a preparation method thereof, belonging to the technical field of salt film preparation. The environmental-friendly PVC extraction-resistant anti-seepage film contains the following ingredients in proportioning ratio: 100 parts by mass of PVC resin, 10-50PHR of primary plasticizer, 2-10PHR of secondary plasticizer, 2-5PHR of environmental-friendly heat stabilizer, 0.1-0.5PHR of antioxidant, 6-30PHR of filler and 0.1-0.3PHR of lubricant. The preparation method of the environmental-friendly PVC extraction-resistant anti-seepage film comprises the steps of (1) preparing a kneaded material: metering all the ingredients, mixing and cooling; (2) plasticizing: plasticizing by using a planetary extruder; (3) calendering: filtering the material in a filter, and feeding the material to a calender; (4) spreading: after the material passes through the calender, spreading to widen, and then, cooling for forming, thereby preparing the environmental-friendly PVC extraction-resistant anti-seepage film. According to the environmental-friendly PVC extraction-resistant anti-seepage film and the preparation method thereof, the preparation process is simple, and the controllability is good; the product has the advantages of good water and brine extraction resisting performance, high mechanical properties, little loss, high retention rate, and the like.

The invention discloses a bicyclo ring cage substituted sesquialter oxosilane and the method for preparing the same and its application. The compound possesses high sesquialter constructure, the core is cage sesquialter oxosilane, the eight apical angle are 1- oxo- 1- phosphora- 2, 6, 7- trioxa bicyclo [2, 2, 2]- 4- methylene sorbate. The method comprises: dissloving catalyst and solvent, adding bicyclo ring cage coordination silicon, reacting while stirring at room temperature; heating to 60- 70 Deg .C, stopping reaction, sucting, distilling part of solvent from filtering liquid and putting it in fridge for cooling, a large amount of crystal will be generated two days later, putting it at room temperature for 1 hour to make the ethandiol crystal disslove, sucting and drying the crystal at 60 Deg. C. The epoxide resin adjuvant is characterized by ability of increasing toughness, fire-retardancy, heat-proof quality, abradability, weatherability and anti ultraviolet absorption for epoxide resin, and hardening function.

The invention discloses an amino-containing organic silicon resin fire retardant and a preparation method thereof. The preparation method comprises the steps of: with amino silane and trialkoxysilane as raw materials or with amino silane, dialkoxysilane and trialkoxysilane as the raw materials, adding water or a mixed solvent of water and an organic solvent, carrying out hydrolytic polycondensation under the action of a catalyst, finally adding blocking agent to block the end, adding a neutralizer to neutralize before the reaction is finished, and then filtering, washing and drying to obtain the amino-containing organic silicon resin fire retardant. The fire retardant contains two fire-retardant elements of nitrogen and silicon, has with high efficiency and low toxicity and is an environment-friendly macromolecular fire retardant; the chemical structure is shown as follows: wherein R1, R2, R3, R4, and R6 are H, CH3 or C6H5; R5 is CH2, CH2CH2, CH2CH2CH2, CH2NHCH2CH2 or C6H5; R7 and R8 are CH3, C2H5 or C6H5; and n, p, q are integers of 1-50.

The technological process of producing towel fabric containing bamboo fiber yarn includes the steps of: warping, sizing, weaving, desizing and degreasing, bleaching, dyeing and post-finishing. It features the regulated glue size ingredients with PAV in 0.2-0.6 % and wheat starch in 0.8-1.2 %, the sizing process at 96-100 deg.c for 28-32 sec, the make-up of desizing and degreasing liquid with reduced NaOH amount of 1.2-1.5 g / L, and regulated desizing and degreasing process at 93-97 deg.c for 55-65 min. The said technological process makes the bamboo fiber yarn possess raised strength and lubricating performance for fluent weaving. The fabric is soft, high in fiber strength, and color fast, and will not become sticky and mildewy.

The invention discloses a graphene-like coated iron-based compound doped cathode material and a preparation method thereof. The composite powder can be used as the cathode material of a lithium ion battery. The preparation method comprises the following steps: A, uniformly mixing the solution containing liquid oligoacrylonitrile and ferric oxide powder; and drying and curing at a low temperature to obtain a precursor; and B, grinding and crushing the precursor obtained in the step A, and performing the processes of high-temperature sintering and the like to obtain the graphene-like coated iron-based material doped composite powder with multiple components. The preparation method disclosed by the invention has low cost, is easy to operate and can prepare the graphene-like coated composite material doped with a single or multi-component iron-based material disclosed by the invention; and the lithium ion battery made from the composite material has large charge / discharge capacity and excellent high-rate charge / discharge performance.

The invention relates to the technical field of tea processing. A method comprises the steps of first washing and draining fresh tea, then pulverizing to large particles, spraying 1 / 10 enzymatic hydrolyzate on the surfaces of tea leaves, and turning the tea during enzymolysis; after the enzymolysis technology, performing enzyme deactivation by an enzyme deactivation machine until the fresh leavesare evenly and thoroughly evaporated to be free of grassy taste, then immersing the fresh leaves in a color protection solution at 20-25 DEC, repeatedly soaking in ice water for cooling, draining water, and then performing liquid nitrogen freezing treatment and vacuum freeze-drying treatment; after that, performing air jet pulverization at 15 DEC by an air flow ultrafine pulverizer to form ultrafinely pulverized green tea powder with an average particle diameter smaller than 20 microns. The ultrafinely pulverized green tea powder prepared by a preparation process provided by the invention usesconventional green tea as a raw material, thereby reducing production cost and labor cost; the final finished product is low in bitterness, moreover the green tea powder is more emerald green in color and better in solid fragrance and solubility, and can effectively maintain the original color and flavor quality of the tea, increase the quality of tea soup, and make the overall quality of the green tea powder closer to the quality of matcha.

The invention provides a preparation method of blocky silicon-carbon composite aerogel. The preparation method comprises the steps of: by taking resorcinol, formaldehyde and tetraethyl orthosilicate as reactants, respectively preparing silica sol and organic sol, mixing the silica sol and the organic sol, then reacting at constant temperature to obtain wet gel, performing low-temperature carbon dioxide supercritical drying and high-heat treatment processes on the wet gel to obtain the blocky silicon-carbon composite aerogel. The blocky silicon-carbon composite aerogel prepared by adopting thepreparation method provided by the invention has the characteristics of high strength, large specific surface area, low density and thermostability, can be used at the temperature as high as more than 1000 DEG C, and is beneficial to overcoming of the defects of low strength, difficult in forming and poor thermostability of the aerogel.

The invention relates to an anti-rust extreme pressure lithium lubricating grease composition and a preparation method thereof. The composition is prepared from 5.5%-12.5% of thickening agents, 72.8%-91.3% of base oil, 0.5%-3.8% of extreme pressure anti-wear agents, 0.28%-1.25% of antioxidants and 0.02%-1.05% of anti-rust anti-corrosion agents, wherein the base oil is high-viscosity mineral oil. The preparation method of the composition comprises the steps that one third of the base oil and 12-hydroxy stearin or a mixture of 12-hydroxy stearin and stearic acid are heated to the temperature ranging from 60 DEG C to 80 DEG C, a lithium hydroxide solution is added, the temperature is raised to range from 180 DEG C to 220 DEG C after a reaction is completed, one third of quenching oil is added, the extreme pressure anti-wear agents, the anti-rust anti-corrosion agents and the rest of the base oil are added after cooling is conducted, and the composition is prepared after grounding is conducted. The novel lubricating grease containing the extreme pressure components and the anti-rust anti-corrosion components has the excellent extreme pressure property and anti-corrosion property and can be widely applied to severer environment conditions with a medium or heavy load and water.

The invention relates to a veneering production process for an artificial board. The process comprises the following steps of: (1) treating an artificial board base material and a figured veneer at constant temperature and humidity to adjust water content, so that the water content of the artificial board base material is 6 to 10 percent, the water content of the figured veneer is 8 to 12 percent, and water is uniformly distributed; (2) completely removing a compact hardened layer from the surface of the artificial board base material to avoid warpage deformation or cracking caused by stress unbalance or environmental change in the veneering process of the figured veneer; (3) attaching the figured veneer to the surface, from which the compact hardened layer is removed, of the artificial board base material to form a semi-finished veneered decoration plate; and (4) and curing the semi-finished veneered decoration plate. By the process, the defects of dry shrinkage, bending, deformation, panel cracking and the like after the figured veneer is attached to the artificial board base material are overcome, and the quality of the veneered decoration plate is obviously improved; and compared with the traditional veneering process, the process has the advantage that quality loss is reduced by over 60 percent.

The invention provides a quality control chart pattern recognition method based on improved genetic algorithm optimization. The quality control chart pattern recognition method comprises the followingsteps: simulating various pattern characteristics of a control chart by using a Monte Carlo method; generating data of a corresponding mode through the parameter values; adopting the PCA principal component analysis method to carry out dimension reduction and denoising on the original data, main features of the data are extracted, shortening the training time of the model and improvintg the recognition accuracy; establishing a probabilistic neural network model, and carrying out pattern classification recognition by utilizing the characteristics of simple structure and convenient training; optimizing a main parameter smoothing factor of the probabilistic neural network by virtue of an improved single-objective optimization genetic algorithm; searching possible abnormal reasons from different aspects according to the identification result.The method solves the problems that all abnormal conditions cannot be monitored and recognized when an existing enterprise carries out quality control, effective abnormal information is difficult to find from a control chart, and appropriate measures cannot be taken to correct the abnormal conditions in the production process.

This invention provides a method of converting heat energy to a more usable form using an externally-heated Brayton cycle. Atmospheric air is used with water injection in a thermodynamic cycle that includes compression (1), evaporative cooling (34), recuperative heating (8), evaporative cooling (36), external heating (9) and expansion through a turbine (2). Power capacity and overall efficiency are maximized by decreasing the temperature of working fluid entering recuperator (8) and heater (9) while increasing the mass flow through turbine (2). Overall efficiency during turndown is maximized using a portion of low-pressure working fluid from the turbine in a three-chamber combustor wherein volume flow into the first chamber containing solid fuel determines the system energy, volume flow into the second chamber combines with partially combusted gases from the first chamber to achieve the optimum combustion temperature and volume flow into the third chamber blends with combustion gases from the second chamber to limit the hot gas to the maximum temperature allowed by the system equipment.

The invention discloses an image processing method and apparatus. The method comprises the steps of identifying images meeting a similarity condition in an image set, and dividing the images meeting the similarity condition in the image set to a corresponding group; extracting feature points from the images in the group, marking the matched feature points of any two images in the group, and determining feature regions comprising the feature points marked for the corresponding images in the images; by taking the image with the minimum feature region in the group as a reference image, determining conversion relationships between the feature region of the reference image and the feature regions of other images in the group, and differential regions of other images relative to the reference image; and storing the images in the group by storing the reference image, the conversion relationships and the differential regions. By implementing the method and the apparatus, the storage space consumption caused by image storage can be reduced and efficient search and use of the images are supported.

The invention discloses a nano particle / carbon fiber cloth composite electrode material and a preparation method thereof, comprises loading a transition metal salt in a micron-sized phenolic aldehyde-based activated carbon fiber treated with pre-nitric acid by an impregnation method, The mesoporous carbon fibers embedded with transition metal oxide / sulfide / nitride / phosphide nanoparticles can alsobe prepared by high temperature oxidation / sulfidation / nitridation / phosphatization. The nano-particle / carbon fiber cloth composite electrode material prepared by the invention has excellent electrochemical performance and can be applied in the fields of energy storage and conversion such as supercapacitor, lithium / sodium ion battery and electrocatalysis.

The invention relates to lubricating grease containing a modified silica component and a preparation method of the lubricating grease. The excellent properties of silicone grease and lithium lubricating grease are well combined through modified SiO2. With total weight of a composition as benchmark, the lubricating grease provided by the invention comprises the following components: a thickening agent accounting for 10-25% of the total weight and including 12-hydroxystearic acid, stearic acid and the modified SiO2; base oil accounting for 73-88% of the total weight and consisting of synthetic oil and mineral oil; and additives mainly including the following three types: (a) 0.6-1.8% of anti-wear reagent at extreme pressure, (b) 0.32-1.32% of antioxidant, and (c) 0.02-0.04% of antirust preservative. The novel lubricating grease containing modified SiO2 has excellent shear stability and storage stability and is a kind of SiO2-containing lithium lubricating grease in which high and low temperature, colloid stability and water resistance are greatly improved. The lubricating grease is especially suitable for application under harsh environmental conditions of high temperature and heavy load.

The invention provides a hydrocarbon fire resistant ultrathin expanded fireproof coating and a preparation method thereof. The coating comprises the following components in part by weight: 10 to 30 parts of epoxy resin, 1 to 4 parts of modified curing agent, 5 to 20 parts of modified resin, 2 to 8 parts of rheological agent, 10 to 35 parts of catalyst, 10 to 25 parts of carbon forming agent, 0 to 11 parts of foaming agent, 5 to 10 parts of fluxing agent, 3 to 10 parts of pigment and filler, and 2 to 5 parts of antibacterial bactericide. The method comprises the following steps of: mixing the crushed resin and other components uniformly, extruding the mixture at the temperature of 95 DEG C at the rotational speed of 300 revolutions per minute, crushing the extruded product, and sieving the powder with a sieve of 40 meshes to obtain the coating. The coating has low curing temperature, high hydrocarbon fire resistant limit, good bonding force and high strength, can tolerate high and low-temperature circulating influence, has air purification and sterilization functions, and is convenient for construction; and the preparation method is simple, and has low energy consumption. The coating is particularly suitable for fire protection of steel, aluminum and other materials of the indoor and outdoor petrochemical industry with hydrocarbon fire risks.

Novel methods of sterilizing corticosteroid solutions resulting in improved final yield of active corticosteroid ingredient.

The invention provides a defluorinating adsorbent for drinking water, which is a composite metal oxide defluorinating adsorbent and a high polymer material playing a role of adhering absorbent particles. Absorbent powder and a high polymer binder are mixed, extruded, cut and dried to prepare into particles. The defluorinating adsorbent has the characteristics of good ion selectivity, high adsorption capacity, better strength in both dry and wet states, and no crushing or dissolving after being used for a long time.

The invention discloses a heat-resisting matrix resin and the preparation method thereof. The heat-resisting matrix resin provided by the invention is prepared after the reaction of PN resin in formula I structure and APMI monomer in formula II structure. The PN resin and the APMI monomer of the invention are characterized in that the PN resin is modified with the APMI monomer to develop a matrix resin (PN-APMI) with good heat resistance and manufacturability used in high temperature resistant compound materials. The PN-APMI resin system of the invention is proved based on a test result to have good solidifying reactivity and excellent heat resistance, simple preparation, easy operation and low cost, thereby being applicable to mass popularization and application.

The invention provides an arsenic-removing adsorbent for drinking water and a preparation method thereof. The adsorbent contains composite metal oxide and a polymer material binder. The arsenic-removing adsorbent has high adsorption property, high adsorption selectivity on arsenic in the drinking water, and high adsorption capacity; adsorbent particles have high strength in a dry state or in a moist state, and the adsorbent has low breakage rate of the particles and cannot be dissolved out during use; and the adsorbent is used under the conditions of long time and larger change of waterflow pressure.

The invention discloses an organosilicon composite material and a preparation method thereof. The composite material is prepared from alkylene-containing polysiloxane, hydrogen-containing polysiloxane, epoxide group polysiloxane, a heat-conduction filling material, a hydrosilation catalyst, a reaction inhibitor and the like through mixing and curing. The prepared organosilicon composite material has the characteristics of low content of volatile compounds, resistance to high and low temperature, high heat conduction, light weight, high strength, good cementability, electrical insulating properties, etc., can meet development demands of functional assemblies for large power, microminiaturization, lightweight and high reliability, and is applicable as a badly-needed high-performance heat-conducting insulating material in military fields like aviation, spaceflight and weapons and in fields related to people's livelihood, e.g., an LED illumination system and an electronic circuit integration system.

Some kinds of carboxylic acids have a stabilizing effect on metal alkoxides and, in a precursor solution, are unlikely to cause a reduced storage stability and an increased viscosity of the precursor solution even when their content is increased; they can be used in the solvent component of the precursor solution. The carboxylic acid content is preferably in a range of 20% by mass to 60% by mass, both inclusive, of the total amount of the raw materials used to prepare the precursor solution. The carboxylic acid component prevents the hydrolysis due to the moisture in the air when the carboxylic acid content is equal to or more than 20% by mass. When the carboxylic acid content is equal to or less than 60% by mass, furthermore, the resulting precursor film will have a sufficiently large thickness.