30results about How to "Constant quantity" patented technology

The present invention relates to the field of motion estimation in video processing. Specifically, the invention relates to a video-processing method and device for ascertaining motion vectors for a plurality of first pixel blocks forming a currently processed image region of a currently processed image of an image sequence. The invention addresses the problem of the impact of borders between neighboring image regions in region-based motion estimation on the quality of the video output in video applications like picture-rate up conversion. The video-processing device ( 100 ) of the invention comprises a processing unit ( 104 ), which is adapted to perform motion estimation on an image according to a fragmentation of the image into a number of image regions, each image a region containing the pixel blocks shared by a first number of pixel-block lines and a second number of pixel-block columns in accordance with an adjustable value of an aspect ratio of the image region, and to set a different aspect-ratio value for processing a next image of the image sequence, such that the number of image regions per image remains constant. The dynamic change of the aspect ratio of the image regions implemented in the motion estimation device of the invention reduces the impact of the borders between neighboring image regions and thus improves the quality of region-based motion estimation.

A radiation imaging apparatus including: a plurality of conversion elements being arranged in one-dimensional or two-dimensional array on a substrate, and converting an incident radiation into an electric signal; and a light source for calibration emitting a light to the conversion elements. During a light output adjustment period for driving the light source, a driving level of the light source is adjusted based on a control signal produced by comparing an output signal from a conversion element with a predetermined initial output signal.

In an apparatus for driving a luminescent display panel, in a state in which scanning lines are sequentially scanned to drive and illuminate light-emitting elements, a voltage peak value arising in a scanning line in a non-scanning state is held by a capacitor through parasitic capacitance of the light-emitting element in a non-scanning state. On the basis of the voltage value held by the capacitor, a reverse bias voltage to be output from a reverse bias voltage generation circuit is controlled, and the voltage is supplied to the scanning lines.

An air filter arrangement comprises an air channel, a first air filter mounted in the air channel, which first air filter comprises a filter frame provided with at least one passage, and a filter body comprising electrostatically chargeable fibres attached to the filter frame. The filter body extends from the filter frame to a position located at a distance from and downstream the filter frame. The air filter arrangement comprises a second air filter comprising a filter cloth which, in a mounted state, is adapted to extend across the air channel such that it is flown through by air flowing in a substantial longitudinal direction in the air channel, and that the second air filter is mounted in the air channel in a position located downstream the first air filter with respect to the flow direction of the air through the air channel.

An image forming apparatus is provided, which is capable of using such a toner cartridge preferentially without interrupting an image forming action as is desired for an early use and as has a less toner remaining amount. When a toner density in a developer container to be supplied with the toner from either of two toner cartridges becomes low, a control section drives either of motors in response to toner remaining amount detection information which is information on the remaining amount of the toner contained in each of the toner cartridges, so that the toner may be supplied from the toner cartridge having the less toner remaining amount. Thus, the toner can be supplied to the developer container from the toner cartridge having the less toner remaining amount.

The present invention provides a manufacturing method of a rigid polyurethane foam for a heat insulation material that satisfies performance required for practical use, such as a low thermal conductivity over a long period, and excellent adhesiveness and excellent dimensional stability under a low temperature environment. The manufacturing method of a rigid polyurethane foam for a heat insulation material, which is formed from blowing and molding using a mixture that includes polyisocyanate, a polyol, and a blowing agent, wherein a polyol prepared by addition-polymerizing ethylene oxide and propylene oxide to an aromatic monoamine compound or an aromatic diol compound.

A radiation imaging apparatus including: a plurality of conversion elements being arranged in one-dimensional or two-dimensional array on a substrate, and converting an incident radiation into an electric signal; and a light source for calibration emitting a light to the conversion elements. During a light output adjustment period for driving the light source, a driving level of the light source is adjusted based on a control signal produced by comparing an output signal from a conversion element with a predetermined initial output signal.

The invention relates to the field of liquid milk, concretely, the invention relates to a colloid fluid suspension used for adding probiotics in acidic milk beverage and a method for producing probiotics-containing acidic milk beverage. According to the invention, the colloid fluid suspension used for adding aseptic probiotics in acidic milk beverage comprises the following components by weight, 1-5 parts of sugar and 0.1-0.6 parts of suspending agent; wherein the suspending agent comprises gellan gum, xanthan gum and acid resistant CMC according to a ratio of 1: 2 :3; 0.3-0.5 part of lactic acid and balance of water, wherein the pH value is 4.3-4.5. The method of the invention for producing probiotics-containing acidic milk beverage comprises the following steps: suspending aseptic embedded probiotics particles on the colloid fluid suspension, then ensuring asepsis and adding. According to the invention, probiotics stably survived in aseptic acidic milk beverage at normal temperaturecan be realized by the colloid fluid suspension, and probiotics is not easy to breed and grow in product shelf period, wherein the probiotics quantity in product is more than 107 cf umL, simultaneously the quality of the product can not be influenced, so that the active probiotics existed in the milk beverage product at normal temperature can be realized.

The invention relates to a system and a method for manufacturing flakes of liquid-based cytology. The system comprises an oscillator, a cell densitometer and a centrifugal flake-manufacturing machine, wherein the cell densitometer comprises a turbidity sampling component for measuring the turbidity of a sample, an input-output control device for receiving signals from the turbidity sampling component and performing data processing on a mainboard, an output device for outputting measurement data, a power supply, and an input device for inputting data or instructions. The system for manufacturing the flakes can ensure that the cell amount on a slide is invariable and make cells flatly spread on the slide evener and more laminar; the cells have original forms which actually reflect the problems of pathological changes and the like at the cervix or other parts of a patient and are more advantageous for a pathology doctor to diagnose; and the instrument has a simplified design structure for the convenience of operating and maintaining, and prolonging the service life. The invention also discloses the method for making the flakes by adopting the system.

The present invention provides a combined type intraoral soft tissue ultrasound probe. The combined type intraoral soft tissue ultrasound probe comprises a probe, an outside of a detection end of theprobe is sleevedly connected with a coating membrane containing a coupling agent, an outside of the coating membrane is sleevedly connected with a detachable coating membrane fixing member, the coating membrane fixing member is hollow, one end of the coating membrane fixing member is provided with a first opening for inserting the probe sleevedly connected with the coating membrane, and a bottom part of the coating membrane fixing member is provided with a second opening exposing the coating membrane. The provided combined type intraoral soft tissue ultrasound probe can be close to intraoral soft tissues such as tongue back, tongue edges, buccal mucosa and lip mucosa, facilitates examination of lesion conditions of the intraoral soft tissues, does not need frequent rubbing and disinfecting, avoids wear, reduces a risk of cross-infection for patients, is provided with an artificially manufactured acoustic window with a fixed thickness, avoids manual adjustment of thickness of the acoustic window during an examination process, increases clarity degrees of ultrasound images, and improves examination accuracy of the intraoral soft tissues.

The invention provides a hole-sowing planter. The hole-sowing planter comprises a base frame and a reciprocating sowing unit arranged at the front end of the base frame. The reciprocating sowing unit comprises a sowing plate and a drive wheel set. The drive wheel set comprises a driving wheel set and a rear wheel disk connected with the driving wheel set. The driving wheel set is connected to the base frame through a bearing, the rear wheel disk is connected with the sowing plate, and the sowing plate is connected to the base frame. By the adoption of the hole-sowing planter, seeds can be better protected, and weeding and harvesting operations at the later period are felicitated; on the premise that planting accuracy is improved and field layout tends to be reasonable, labor intensity is relieved, and working efficiency can be improved.

The invention discloses a gesture action recognition method for Chinese Puyue sign language coding, which comprises the following steps of: 1, capturing a Chinese Puyue sign language coding gesture action video by using a camera to obtain a framed RGB image sequence; 2, performing color space conversion on each frame of image and determining a gesture area; 3, determining a fitting circle according to the extracted minimum value of the hand-shaped edge contour point sequence, replacing a palm center area, and then detecting a fingertip and a finger root; 4, extracting the angle and distance characteristics of each contour point by taking the circle center and the vertically downward unit vector as standards; 5, performing mapping transformation on the features by adopting a dynamic time warping algorithm to obtain similar distance features of a certain gesture; and 6, identifying the sign language actions by adopting a plurality of classifiers. The method can effectively identify the Chinese Puyue sign language coding gesture actions, provides a solution for a continuous and large-scale vocabulary Chinese sign language identification system, and is of great significance for popularizing normative Chinese sign languages.

A developer container includes a cylindrical container main body, a supporting member, a sheet-like developer guiding member, and an adhesion eliminating portion. The container main body has a concavity forming a storage space, has a discharge hole, and conveys the stored developer toward the discharge hole by rotating about its axial line. The supporting member covers a portion including the concavity and the discharge hole over circumferences thereof to support the container main body so as to be rotatable about the axial line, and has a leading through hole for leading the developer discharged from the discharge hole of the container main body to the outside. The developer guiding member guides the developer discharged from the discharge hole of the container main body to the leading through hole. The adhesion eliminating portion eliminates developer adhering to the developer guiding member through rotation of the container main body.

The invention provides an intelligent control loop heat pipe vapor generator. The vapor generator comprises a shell, a fluid inlet, a vapor outlet, an air inlet channel, an air outlet channel, a loopheat pipe and an air cavity; a first valve is arranged on the air inlet channel, the vapor outlet is provided with a flow sensor which is used for measuring vapor flow output within unit time, and theflow sensor is in data connection with a controller; and the controller automatically controls the opening degree of a second valve and the opening degree of the first valve according to the vapor flow data measured by the flow sensor and output within the unit time. The new intelligent control vapor generator is provided, the quantity of air entering the vapor generator is adjusted according tothe vapor quantity generated by the vapor generator, the constant vapor output quantity is guaranteed, the insufficient vapor quantity or waste caused by too large quantity or too small quantity is avoided, and meanwhile the waste heat energy can be saved.

The invention provides a biomarker for saliva test of 2019-nCoV and an application of the biomarker, and provides an application of a coronavirus S protein gene as the biomarker in preparation of a 2019-nCoV saliva test product or a 2019-nCoV coronavirus pneumonia auxiliary saliva diagnostic product. The inventors find for the first time the role of the 2019-nCoV gene as the biomarker in the preparation of the 2019-nCoV saliva test product. The product can quickly detect the 2019-nCoV infection, samples are easy to obtain, the detection efficiency is high, the speed is fast, the risk of infection of operators is reduced, and the product has very high sensitivity and specificity.

When trying to keep the amount of a liquid treating chemical in a treating bath constant by discharging almost the same amount of the liquid treating chemical as the liquid treating chemical supplied, the flow of the liquid treating chemical in the treating bath fell into disorder, which made it hard to keep the flow of the liquid treating chemical in the treating bath in the laminar state.A down-flow type chemical treating apparatus 1 in which a liquid treating chemical 21 is supplied from the outside of a treating bath 2 (main bath 3) while the liquid treating chemical 21 is discharged from the bottom portion of the treating bath 2 (main bath 3), comprising a pump 5 on the chemical discharging side of the main bath 3 which consists of a rotary pump allowing to discharge the liquid treating chemical 21 to the outside of the main bath 3 keeping the flow of the liquid treating chemical 21 substantially in the main bath 3 almost in the laminar state.

The invention relates to the technical field of vegetables, and discloses a seeding device capable of ensuring seeding and pit filling integration based on intermittent motion, which comprises a storage bin, a push block is movably connected in the storage bin, and a moving rod is movably connected on the push block, so that the movement of the moving block drives the push block to move synchronously; according to the sowing device capable of ensuring integration of sowing and pit filling based on intermittent motion, through the use of the vertical rods, pit filling is synchronously performedin the sowing process, the diversity of the functions of the whole device is increased, and through the cooperative use of baffles, automatic sowing is performed by controlling the baffles to be opened and closed in the sowing process. The opening time and the closing time are kept constant, so that the seeding quantity is kept constant, through the cooperative use of a limiting block and a moving rod, the follow-up steps are driven to be carried out through the movement of the moving rod, and the linkage of the whole device is improved.

The invention discloses a vaporizing tower for producing gas-mixed carbon black, and belongs to the technical field of production of gas-mixed carbon black. According to the invention, traditional core equipment for producing gas-mixed carbon black is changed, and a vaporization kettle is replaced by the vaporization tower; therefore, the problems that asphalt at the bottom of the kettle is coked at high temperature due to direct heating of combustible gas at the bottom of the vaporization kettle, long-term continuous and stable operation cannot be realized under a constant working condition, and the product quality and yield are unstable are solved. The vaporizing tower exchanges heat through convection and conduction, tower bottom oil is heated by circulating waste heat of a production line, the vaporizing temperature of raw oil (anthracene oil) in the tower is stable, and vaporizing is more sufficient. Therefore, the gasified substance is narrow in component distribution, the produced carbon black is narrow in particle size distribution, and the carbon black is high in coloring strength, high in blackness, good in dispersity, good in hue, better in fluidity and lower in consumption. The asphalt is continuously discharged from tower bottom oil, so that the asphalt in anthracene oil at the tower bottom is prevented from being concentrated and coking, and the long-term continuous and stable operation of the vaporization tower under a constant working condition is ensured.

A kneading extruder includes a barrel having an extrusion port through which kneaded material including first and second liquid raw material is extruded, and a screw shaft placed in the barrel, the screw shaft kneading the first and second raw material to produce the kneaded material in melted state. A screw driving device continuously rotates the screw shaft at a constant speed, and a die communicates with the extrusion port of the barrel, the die having an extrusion port through which the kneaded material in a pressurized state is extruded. An ejection device ejects a portion of the kneaded material between the extrusion port of the barrel and the extrusion port of the die, the ejection device including an ejection quantity regulating unit for regulating the ejection quantity of the kneaded material so that the pressure of the kneaded material at the extrusion port of the barrel is kept constant.

The invention provides a hole-sowing planter. The hole-sowing planter comprises a base frame and a reciprocating sowing unit arranged at the front end of the base frame. The reciprocating sowing unit comprises a sowing plate and a drive wheel set. The drive wheel set comprises a driving wheel set and a rear wheel disk connected with the driving wheel set. The driving wheel set is connected to the base frame through a bearing, the rear wheel disk is connected with the sowing plate, and the sowing plate is connected to the base frame. By the adoption of the hole-sowing planter, seeds can be better protected, and weeding and harvesting operations at the later period are felicitated; on the premise that planting accuracy is improved and field layout tends to be reasonable, labor intensity is relieved, and working efficiency can be improved.

The invention belongs to the technical field of flame-retardant cables, and particularly relates to a flame-retardant cable and a cable flame-retardant layer forming process. The outer side of the conductive core is wrapped with an insulating layer, the outer side of the insulating layer is wrapped with a heat insulation layer, the outer side of the heat insulation layer is wrapped with a shielding layer, the outer side of the shielding layer is wrapped with a flame-retardant layer, the flame-retardant layer is filled with an air bubble film, the air bubble film is made of a low-smoke flame-retardant material, and the air bubble film is filled with inert gas. The flexibility of a flame-retardant material is lower than that of a common cable wrapping material, a larger bending radius is needed, more space is occupied, installation and use are inconvenient, the use length of the cable is increased, and the use cost is increased; according to the invention, the air bubble film is arranged, so that the flexibility of the cable is better, the bending radius during use is smaller, the occupied space is reduced, the use is convenient, and the use of cable materials is saved under the condition that the good flame retardant property of the cable is ensured.

The invention relates to a spiral material refining device for a vertical material feeding system for a shredding machine, and is particularly more effective to bulking cigar stem materials. The device belongs to the technical field of tobacco auxiliary machinery equipment. The device mainly consists of a motor, a coupling, a spiral propelling device, a material position sensor and a material circulated conveying device. When a height of the materials reaches a preset height, the material position sensor is used for emitting a signal to control a power supply switch of the motor to be turned on so as to drive a spiral propelling device, the materials higher than a detection point of the material position sensor are extruded and are sent to the material circulated conveying device, redundant materials are reversely doped into a material feeding end, so that an amount of compressed bulking stem materials entering a strand chain system is enabled to reach uniformity, the density of materials in the position of a cutter door of the shredding machine is further guaranteed to be uniform, and the quality of tobacco is also guaranteed.

The invention relates to a valve with a housing (1), a solenoid disposed in the housing (1), a pin (5) that can be moved by the solenoid, and a piston (6) connected to the pin (5). The housing (1) consists of a first canister-type part (2) and a second annular part (3), the second annular part (3) being connected to the first canister-type part (2) and having at least two axial drillings (9).

The invention provides an intelligent control loop heat pipe vapor generator. The vapor generator comprises a shell, a fluid inlet, a vapor outlet, an air inlet channel, an air outlet channel, a loopheat pipe and an air cavity; a first valve is arranged on the air inlet channel, the vapor outlet is provided with a flow sensor which is used for measuring vapor flow output within unit time, and theflow sensor is in data connection with a controller; and the controller automatically controls the opening degree of a second valve and the opening degree of the first valve according to the vapor flow data measured by the flow sensor and output within the unit time. The new intelligent control vapor generator is provided, the quantity of air entering the vapor generator is adjusted according tothe vapor quantity generated by the vapor generator, the constant vapor output quantity is guaranteed, the insufficient vapor quantity or waste caused by too large quantity or too small quantity is avoided, and meanwhile the waste heat energy can be saved.