39results about How to "Improve reproducibility" patented technology

Investigation of in vivo models of disease requires imaging studies involving single subjects in single imaging sessions, serial imaging of individuals or groups of subjects, and integration of data across diverse and heterogeneous experimental methodologies. Each type of experiment is preferably supported by various feature sets that can be rigorously applied to produce quantitative, reproducible results. Current imaging scanners are not equipped with standardized capability that supports an automated and scientifically rigorous workflow suited to hypothesis testing. An imaging system includes a research workstation at which a user can design, execute, study, and report imaging plans. Flexibility that comes along with a modular design of the system allows the user to customize workflow parameters for more robust hypothesis testing.

The object of an apparatus and a method for the analysis of retinal vessels is to improve the reproducibility of individually determined artery-to-vein ratios and to reduce the measurement uncertainty in determining the artery-to-vein ratio in order to substantially increase the individual validity of the determined values for vessel diagnosis. At least two images are recorded successively as an image sequence in a predetermined timed sequence adapted to the vasomotricity of the vessels and are evaluated such that a mean artery-to-vein ratio is formed from artery-to-vein ratios that are determined on the basis of the at least two images.

Synthetic surfaces suitable for culturing stem cell derived oligodendrocyte progenitor cells contain acrylate polymers formed from one or more acrylate monomers. The acrylate surfaces, in many cases, are suitable for culturing stem cell derived oligodendrocyte progenitor cells in chemically defined media.

In order to obtain long time stability and usefulness for gas sensitive field-effect devices a micro structured surface is obtained below the final conducting layer. The conductive layer in the trenches or grooves will not only be protected to some extent but also they can constitute a conductive net with edges or boundaries that will remain essentially unchanged even if material is continuously lost along the borderline. The structure can be obtained in the layer laying directly below the conductive layer or in deeper lying layers with intermediate layers with even thickness.

Provided is a testing system which is able to reproduce road surfaces in different states between both right and left tires. A testing system is provided with: a tire speed calculation unit which calculates virtual left and right tire speed values; a vehicle speed calculation unit which calculates a virtual vehicle speed value; a vehicle drive torque calculation unit which calculates left and right vehicle drive torque values; a differential torque calculation unit which calculates left and right differential torque values; and a speed control device which outputs a torque current command signal such that a deviation between a speed command value and a value detected by an encoder is eliminated. The tire speed calculation unit calculates the tire speed value on the basis of the differential torque values and the vehicle drive torque values.

The invention discloses a preparation method of MAX-phase porous ceramic. The preparation method comprises the following steps: preparing a three-phase material comprising a transition metal raw material, a main group element and a carbon or nitrogen containing compound; after mixing the materials according to a ratio, wetly grinding in an absolute ethyl alcohol medium to obtain slurry; after drying the slurry, charging the slurry into a customized die and pre-pressing; then, putting the die into an SPS (Spark Plasma Sintering) furnace; introducing argon gas and protecting; carrying out pressureless sintering; after keeping heat, taking out the die; grinding and polishing a sintered block-shaped material, and carrying out ultrasonic cleaning and drying to obtain the MAX-phase porous ceramic. The preparation method disclosed by the invention has the advantages of simplicity in operation, high reproducibility, safety and reliability; the temprature rising speed is rapid in a preparation process; the sintering temperature is low, the grain diameter is uniform and procedures are simple and convenient; a prepared MAX-phase material has high purity and large porosity; the efficiency of preparing the MAX-phase porous ceramic is greatly improved.

A method for executing an agricultural harvesting process on a field by an integrated system of agricultural harvesting machines, wherein the harvesting machines in the integrated system each comprise crop-processing working units which can be adjusted using machine parameters for adaptation to the particular harvesting conditions, wherein the harvesting machines in the integrated system communicate with each other via a wireless data network. One harvesting machine in the integrated system is designed as a self-optimizing harvesting machine which comprises a driver assistance system for automatically generating machine parameters which have been optimized with respect to the crop processing, and the optimized machine parameters are provided by the self-optimizing harvesting machine via the data network to the other harvesting machines in the integrated system that do not comprise a driver assistance system.

The invention relates to a testing device and a method for tags, wherein, the testing device comprises a conveying mechanism, a baffle mechanism, and a read-write system; the conveying mechanism is provided with a conveying belt; the baffle mechanism is provided with an advancing guiding plate, a fixing seat of the guiding plate and an adjuster of the guiding plate, wherein, one side of the advancing guiding plate is connected with the adjuster of the guiding plate to adjust the position of the advancing guiding plate; one end of the adjuster of the guiding plate is connected with the fixing seat of the guiding plate which is fixed below the conveying belt to fix the position of the advancing guiding plate, while the advancing guiding plate is put on the conveying belt of the conveying mechanism; the read-write system comprises a reader and an electronic tag, wherein, the electronic tag is adhered to an object to be tested; the reader is arranged on the conveying mechanism for reading data emitted by the electronic tag; therefore, the signal intensity of the surface of the electronic tag on the object to be tested are detected everywhere to find out the optimal adhering position of the electronic tag.

A multicomponent cartridge (1) for one-time use, comprises a first supply chamber (6) for a first component (8), and a second supply chamber (7) for a second component (9), which are separate. The first supply chamber (6) is arranged coaxially around the second supply chamber (7) to form a circular space (10), wherein a first piston (3) is movably arranged in the first supply chamber (6) while a second piston (4) is movably arranged in the second supply chamber (7). A plunger (5) simultaneously moves the first piston (3) and the second piston (4) to simultaneously discharge two components (8, 9). A guide element (11) is arranged to guide the first piston (3) in the first supply chamber (6) and the second piston (4) in the second supply chamber (7). The guide element (11) includes a discharge opening (13) for discharging the first component (8) out of the first supply chamber (6), and is mounted in a housing (2). A movement element (12) moves the guide element (11) relative to the housing (2) such that a discharge opening (13) is opened.

The present invention provides a vehicle crash simulation test device and method thereof, and a control device for the vehicle crash simulation test device, so that the reproducibility can be improved. In the vehicle crash simulation test device, a pulley (11) capable of mounting a test body (15) is supported so as to be movable in a horizontal front-rear direction, and is provided as a launching device (21) capable of applying acceleration to the pulley (11). There is a hydraulic cylinder (22) capable of driving the piston (32) toward the pulley (11), an accumulator (23) connected to the rear chamber (B) side of the hydraulic cylinder (22), and an accumulator (23) provided in the hydraulic cylinder (22) The servo valve (24) on the discharge port (45) formed by the front chamber (A) of the front chamber (A), and the driving start position setting mechanism for setting the driving start position of the piston (32) based on the data obtained through the actual vehicle crash test is provided. .

A device to extract a biometric feature vector includes: an obtain unit that obtains a biometric image; a unit to generate small region images that generates a plurality of small region images from the biometric image; a feature extractor that extracts biometric local feature amounts from the small region images; and a unit to generate a biometric feature vector that generates a biometric feature vector by combining the biometric local feature amounts in accordance with a predetermined rule, the biometric feature vector indicating a feature for identifying the biometric image, wherein the unit to generate small region images generates the plurality of small region images so that variability of biometric information amounts among the plurality of small region images is equal to or less than a predetermined value.

A plasma processing apparatus is provided including a processing chamber disposed within a vacuum vessel to form plasma therein, a processing stage disposed in the processing chamber to mount a wafer thereon, a first power supply for outputting an electric field supplied to form the plasma and forming an electric field of a first frequency supplied with repetition of a high output and a low output during processing of the wafer, a second power supply for supplying power of a second frequency to an electrode disposed within the processing stage, and a control device for causing a first value between load impedance at time of the high output of the electric field and load impedance at time of the low output of the electric field to match with impedance of the first power supply.

The invention relates to a method for balanced fertilizer application through wheat-corn crop rotation straw returning to field, and belongs to the technical field of agricultural plantation and fertilizer application. Winter wheat-summer corn straw in the annual crop rotation period is all returned to field, the fertility of a cultivated land can be improved by decomposed part of the straw, the water holding capacity of the cultivated land can be improved by undecomposed part of the straw, and the fertilizer-water ratio is kept. By measuring soil, applying a fertilizer and sowing wheat seeds,the nutrient ratio is reasonable, unnecessary excessive fertilizer application waste is reduced, meanwhile the soil fertility is effectively improved, and the wheat yield is guaranteed. Urea topdressing is conducted in the elongation stage after wheat revives, and the soil carbon-nitrogen ratio of the straw and an organic fertilizer is balanced. By measuring soil, applying a fertilizer and sowingcorn seeds, a solid corn compound fertilizer is applied, and the corn yield is guaranteed. The organic fertilizer is additionally applied during straw turning to field, the soil physical structure can be greatly improved, and the reproduction capacity of the soil is improved. The fertilizer application total amount control and multi-stage management are realized and are effectively combined withcultivation and tillage measures, and the water-fertilizer balance, organic fertilizer-inorganic fertilizer balance and sustainable soil utilization of a soil-crop system are ensured.

An image processing system for generating a processed image depending on an input image is provided. The system includes an image processing portion configured to add, to the processed image, an AR marker which is an image for identifying missing information missing from information of the input image; an AR content generating portion configured to generate an AR content corresponding to the missing information; an AR marker recognizing portion configured to recognize the AR marker contained in a photographed image obtained by photographing the processed image; and an AR display processing portion configured to display the AR content stored in association with the recognized AR marker in a manner to be superimposed on the processed image.

An input dither pattern determiner divides an input dither image to plural blocks, and determines an input dither pattern for each block. An output dither image portion converts the input dither pattern for each block to an output dither pattern. A reference emission time determiner portion determines a reference emission time for each block based on dark electric potential distribution and intermediate sensitivity distribution of a photoconductive drum, a light intensity distribution of a laser beam in a main scanning direction, and the output dither pattern. An area emission time calculator determines area emission time for each area based on a reference emission time for each block. An actual emission time calculator adjusts emission time for each area so that differences between reference emission times of blocks adjacent one another in the main scanning direction become a predetermined value or lower, and calculates actual emission time for each area.

The invention discloses a high-simulation blood-vessel-intervention support planting, training and examining device, comprising: a diseased blood vessel model connected in the middle of a blood vessel model and a pushing device to push the blood vessel support model between the blood vessel model and the diseased blood vessel model by means of a power device. The inner wall of the blood vessel model is provided with a flexible resin layer, whose density is close to that of the blood vessel. The outer wall of the blood vessel support model is adhered by a pressure sensor. The inner wall of the diseased blood vessel model is coated with a layer of fluorescent agent, and the inner wall is fixedly provided with a first membrane flap device and a second membrane flap device. The first membrane flap device is provided with two opening membrane flaps with each flap provided with a first membrane flap button and with one of the membrane flap provided with a first membrane flap position sensor; the structure of the second membrane flap is identical to that of the first membrane flap. The membrane flap buttons and the membrane flap position sensors as well as the pressure sensor are commonly connected to a central processor of a PLC. The device and the method achieve good simulations and provide good practical performances.

Disclosed herein is a method and apparatus for measuring biomedical data. The method of measuring biomedical data using a biochemical reaction includes determining reaction termination time at which the biochemical reaction has been stabilized based on an average variation in a predetermined period in an early stage of measurement, and obtaining a final measured value by adding a correction value to a value measured at the determined reaction termination time.

The invention discloses an automatic driving data processing method and device and electronic equipment, and relates to the field of automatic driving. According to the specific implementation scheme,the method comprises the steps of obtaining initial scene data of an automatic driving vehicle running an automatic driving system when the automatic driving vehicle runs in a real environment, wherein the initial scene data comprises data of a defect scene; intercepting data of the defect scene from the initial scene data; and inputting the data of the defect scene into a simulation platform, and operating the updated automatic driving system by the simulation platform based on the data of the defect scene to obtain an operation result of the updated automatic driving system in the defect scene. The scene data obtained through the method can greatly improve the reproduction degree of a simulation platform for a real defect scene.

The embodiment of the invention provides an image processing method, device and equipment and a computer readable storage medium. The method comprises the steps: obtaining a first image and a second image; performing identity feature extraction on a first target object in the first image to obtain an identity feature vector of the first image; performing attitude feature extraction on a second target object in the second image to obtain an attitude feature vector of the second image; obtaining an image synthesis vector corresponding to the first image and the second image based on the identityfeature vector and the attitude feature vector; generating a composite image of the first image and the second image according to the image composite vector; wherein the first target object in the composite image has the posture of the second target object. Through the embodiment of the invention, the image reproduction adaptability during image synthesis can be improved, and accurate image synthesis processing can be performed on the first image and the second image.

A miniaturized gas sensor comprised of film type electrodes, on a non-conductive supportive substrate, and in contact with a dry ionomer electrolyte, for detection of toxic gases, i.e., carbon monoxide, and other oxidizable or reducible gases and vapors and method of making same is described. The all-solid planar sensor cell has two or more film type electrodes arranged on a non-conductive planar surface of a supportive substrate. Manufacturing the electrochemical sensor with dry ionomer prevents electrode flooding and allows for improved response time upon assembly. The sensor cell contains no liquid electrolyte and is operated in a constant-voltage, potentiostatic or potentiodynamic mode. A high sensitivity to a select gas or vapor is achieved by a three-phase contact area design for a sensing electrode, which provides contact with the solid ionomer electrolyte, as well as the gas sample via diffusion openings or holes that penetrate through the supportive substrate.

A method of clamping a rotationally symmetrical body (10) for the purpose of machining, in which method the body (10), with its first side (12), is pulled by means of a tensile force (F1), which acts in extension of the rotation axis (19, 19′) of the body (10) on the first side (12) of the body (10), against a supporting element (72) having a centering effect.

A device for clamping a rotationally symmetrical body (10) for the purpose of machining, which device comprises a supporting element (72), against which the body (10) can be pulled, and a tie rod (64) which can act on and pull the body (10), to be clamped, axially and concentrically to the rotation axis (19, 19′) of the latter. The mounting of the tie rod (64) is designed in such a way that the tie rod (64) is axially guided with radial clearance (66) for the axial pulling movement. The tensile force (F1) of the tie rod (64) is preferably adjustable.

A rotationally symmetrical body (10), in particular a rotor, which, on a first side (12), has a coupling unit (18), which is concentric with its rotation axis (19), and a bearing region (22) having at least three bearing surfaces (24) arranged concentrically to the rotation axis (19).

The preparation method comprises the following steps: uniformly mixing 66-72%% of Si, 3-10% of Ba, 1-2% of Ca, 0.8-1.8% of Al, 1.5-2% of Ce, 0-1% of S, 0.5-1% of a carburant and the balance of Fe and inevitable trace elements to obtain a mixture; smelting, cooling, pouring, quenching and crushing the mixture; mixing the mixture with Fe3O4 powder; and pressing, clustering and crushing the mixture and the Fe3O4 powder. The invention further discloses an application of the inoculant for nodular cast iron. The inoculant for for nodular cast iron provided by the invention can be adopted to improve comprehensive properties of the for nodular cast iron, and improves inoculation efficiency.

The invention relates to a method for producing a bearing ring (20, 29), in particular a tapered roller bearing ring, comprising the following steps: making available an annular disc (8; 9), and forming the disc (8; 9) to give a substantially cylindrical bearing ring and producing a raceway (19; 28) of the bearing ring in a single operation by extrusion. According to the invention, the method achieves the object of providing a simple method for producing bearing rings, in particular for tapered roller bearings, which delivers high unit numbers and in which it is possible to dispense with a finishing operation.

The invention discloses a preparing method for an inoculant for a cam shaft. The preparing method includes the following steps that 60-75% of Si, 0.01-1.0% of Al, 0.05-0.5% of Ca, 0.1-1.0% of Ba, 3-5% of Cr, 0.03-0.05% of V, 5-8% of Nd, 0-1% of Mn and the balance Fe which are evenly mixed are smelted, stirred, cooled and crushed; then Fe3O4 powder is mixed; and the mixture is pressed into a cluster and then crushed. The invention further discloses specific application of the inoculant for the cam shaft. By means of the inoculant for the cam shaft, the comprehensive performance of the cam shaft can be improved, and the inoculating efficiency is improved.

The present disclosure relates to a grinding machine. More particularly, the present disclosure relates to a centerless grinding machine comprising a damping device. The present disclosure also relates to a spindle for a grinding machine, and to a damping device for a spindle of a grinding machine, particularly for a grinding spindle or regulator spindle of a centerless grinding machine, wherein the damping device comprises at least one damping unit including an auxiliary mass section, an elastic section and a damping section, which are integrated in the spindle, and which jointly define a damped vibratory system for increasing the dynamic stiffness of the spindle.

The invention relates to photosensitive resin.The photosensitive resin is prepared from, by mass, 20-30 parts of epoxy-acrylic resin, 20-30 parts of maleic anhydride, 1-6 parts of catalyst N,N-dimethylethanolamine, 10-20 parts of a photopolymerization initiator, 4-8 parts of water dispersion latex, 1-5 parts of rubber, 4-10 parts of inorganic additives with surfaces modified by organosilane and 60-80 parts of a solvent.The water development speed of the resin can be increased through the water dispersion latex, and meanwhile the image reproducibility is improved; due to the photopolymerization initiator, a liquid crystal display screen manufactured by adopting the resin has the high-quality imaging; in addition, the preparation method of the photosensitive resin is simple and controllable in technological process, short in production period, capable of sufficiently utilizing heat generated by a chemical reaction in the resin synthetizing process, capable of saving energy sources and free of three wastes.

The invention discloses a preparation method of a nucleating agent for nodular cast iron. The method comprises the step that 66%-72% of Si, 3%-10% of Ba, 1%-2% of Ca, 0.8%-1.8% of Al, 1.5%-2% of Ce, 0-1% of S and the balance Fe and inevitable micro elements are mixed, smelted, stirred, cooled and smashed; and then a mixture is mixed with Fe3O4 power to be pressed into a block to be smashed again. The invention further discloses application of the nucleating agent for nodular cast iron. By the adoption of the nucleating agent for the nodular cast iron, the comprehensive performance of the nodular cast iron can be improved, and the nucleating efficiency is improved.

The invention relates to a crankshaft production machine for producing crankshafts (15), which have centric and eccentric surfaces to be machined and which are held in a manner that enables them to rotate about a C axis (5, 6). Said machine comprises a headstock, a counter spindle or a tailstock, at least one displaceable longitudinal slide (17, 18) and drive units having motors for driving the crankshaft about the C axis and for advancing subassemblies for tool spindles (8, 11) and the tools. The motor in at least one drive unit, which serves to drive tool spindles (1, 3), and in at least one drive unit, which serves to drive tool spindles (8, 11), is provided in the form of a torque motor (2, 4, 10, 13).

The invention relates to an environment-friendly solvent suitable for gravure ink. The ink includes the following components by mass: 40% of ethyl acetate, 40% of n-propyl, 10% of isopropanol and 10% of ethanol. With the temperature controlled at 44-45 degrees, the low-speed stirring the ethyl acetate, the n-propyl, the isopropanol, and the ethanol are stirred at a low speed, thus obtaining the environment-friendly solvent. The environment-friendly solvent prepared in the invention suitable for gravure ink is an environmental protection type intrinsically, and contains no benzene series and halogenated hydrocarbon. As the solvent is composed by mixing of various solvents, a more delicate volatilization gradient is formed compared with traditional solvents, so that the solvent is applicable to all kinds of gravure ink.

The invention provides a rubber flexographic engraving plate and a manufacturing method thereof. The rubber flexographic engraving plate is of a three-layer structure and comprises an engraving layer,a bonding layer and a lining supporting layer which are sequentially arranged from top to bottom, the rubber flexographic engraving plate can be subjected to laser direct engraving forming, the flexible resin plate manufacturing manner is changed, in the rubber flexographic engraving plate manufacturing process, industrial hazardous waste cannot be generated, and meanwhile, the reappearing property of lattice points below 5% in the printing process can be improved.