115results about How to "Improve dosing efficiency" patented technology

Graphical user interfaces and methods for displaying ECG, slice images and a reconstruction projection image of the slices. In exemplary embodiments, the graphical user interfaces and methods facilitate the selection of slice images that are taken during a quiet part of the patient's heart cycle in which the heart is relatively motionless so as to reduce blurring and the introduction of artifacts into the resultant reconstructed projection image of the heart. In exemplary embodiments, the resultant projection image can be used for coronary calcium detection and scoring or 3-D rendering.

A diagnostic imaging system includes an x-ray source that emits a beam of x-ray energy toward an object to be imaged and an energy discriminating (ED) detector that receives the x-ray energy emitted by the x-ray energy source. The ED detector includes a first layer having a first thickness, wherein the first layer comprises a semiconductor configurable to operate in at least an integrating mode and a second layer having a second thickness greater than the first thickness, and configured to receive x-rays that pass through the first layer. The system further includes a data acquisition system (DAS) operably connected to the ED detector and a computer that is operably connected to the DAS. The computer is programmed to identify saturated data in the second layer and substitute the saturated data with non-saturated data from a corresponding pixel in the first layer.

To prevent patients from being overexposed or underexposed, it has been attempted to modulate either voltage or current in conventional single energy CT systems. The voltage modulation causes incompatibility in projection data among the views while the current modulation reduces only noise. To solve these and other problems, dual energy CT is combined with voltage modulation techniques to improve the dosage efficiency. Furthermore, dual energy CT has been combined with both voltage modulation and current modulation to optimize the dosage efficiency in order to minimize radiation to a patient without sacrificing the reconstructed image quality.

A method of producing gypsum building board, in which there is added, to an aqueous gypsum slurry containing a water swellable clay, a basic water-soluble polymer having preferential affinity for clay. The slurry is allowed to set so as to form a board. The basic water-soluble polymer may be, for example, a polyvinyl alcohol or a polymer consisting essentially of carbon, nitrogen and hydrogen and having amine groups (which may be primary, secondary, tertiary or quaternary) in the polymer backbone and / or in side chains thereof.

Various configurations for scatter reduction and control are provided for CT imaging. These configurations include an imaging system having a stationary detector extending generally around a portion of an imaging volume and a distributed X-ray source placed proximal to the stationary detector for radiating an X-ray beam toward the stationary detector. A scatter control system is further provided that is configured to adaptively operate in cooperation with the stationary detector and the distributed X-ray source to focally align collimator septa contained therein to the X-ray beam at a given focal point and to provide X-ray beam scatter control.

Cast collimators for use in CT imaging systems are described, as are methods of making them. Such collimators may comprise pre-patient collimators, pre-patient filter / collimator assemblies, and / or post-patient collimators. The filters and / or collimators may be made of any suitable high-density, high atomic number material such as lead, a lead alloy, tantalum, tungsten, tungsten suspended in an epoxy matrix, tungsten suspended in a slurry, or the like. Embodiments of these collimators comprise specially-designed channels and vanes that allow them to be precision cast to the necessary degree of accuracy. These channels and vanes are preferably tapered. These collimators and filter / collimator assemblies help minimize the x-ray dose to the patient by minimizing the scattered radiation creation mechanism and by collimating out much of the scattered radiation that would otherwise be subjected to the patient. These collimators may be cast as either single piece structures, or multiple pieces that can be operatively connected together.

A microdosing device includes a dosing chamber which at least temporarily receives a quantity of liquid, and to which at least one dispensing opening is assigned. A vibration unit is operatively connected to at least one boundary surface of the dosing chamber in order to cause this boundary surface to oscillate for the purpose of a dispensing operation.At least two admission channels spaced apart from one another are provided on the dosing chamber.

The invention discloses a medical liquid distribution gun, which comprises an injector, wherein the injector consists of a needle head, a needle cylinder, a piston and a push rod, wherein a turned edge is formed at the tail end of the needle cylinder; a pressure handle is arranged at the tail end of the push rod; the injector is arranged on a gun body; the gun body consists of a gun tube and a handle; the top of the gun tube is provided with an injector mounting base; the top of the injector mounting base is provided with a semi-circular through groove for accommodating the injector; the tail part of the injector mounting base is provided with a needle cylinder fixing groove for fixing the turned edge; a direct-current motor is arranged in the gun tube; an output shaft of the direct-current motor is connected with a lead screw; a nut is arranged on the lead screw; the nut is provided with a push rod neck for fixing the pressure handle; a control switch is arranged on the front part of the handle; a battery is arranged inside the handle; and the control switch, the battery and the direct-current motor are connected with one another under control through a circuit. The medical liquid distribution gun has the advantages of simple structure, small size, light weight, easiness in operating, high liquid distribution efficiency, relieving of the labor intensity of nurses, and the like, and is mainly taken as a liquid distribution tool of nurses.

The invention relates to the technical field of robots, and discloses a liquid adding method, a maintenance station, a cleaning robot and a liquid adding system. The liquid adding method comprises the steps that the liquid usage amount of the cleaning robot is obtained, and the maintenance station is controlled to supplement liquid for the cleaning robot according to the liquid usage amount. According to the method, liquid can be quantitatively and intelligently added to the cleaning robot, manual participation is not needed, and therefore the liquid adding efficiency can be improved.

The present invention relates to X-ray differential phase-contrast imaging, in particular to a deflection device for X-ray differential phase-contrast imaging. In order to provide differential phase-contrast imaging with improved dose efficiency, a deflection device (28) for X-ray differential phase-contrast imaging is provided, comprising a deflection structure (41) with a first plurality (44) of first areas (46), and a second plurality (48) of second areas (50). The first areas are provided to change the phase and / or amplitude of an X-ray radiation; and wherein the second areas are X-ray transparent. The first and second areas are arranged periodically such that, in the cross section, the deflection structure is provided with a profile arranged such that the second areas are provided in form of groove-like recesses (54) formed between first areas provided as projections (56). The adjacent projections form respective side surfaces (58) partly enclosing the respective recess arranged in between. The side surfaces of each recess have a varying distance (60) across the depth (62) of the recess.

The invention belongs to the technical field of medical equipment, particularly relates to an automatic liquid preparation system and method based on an industrial robot, and aims at solving the problems that an existing liquid preparation system is low in automation degree and poor in precision. The system comprises a sensing unit, a storage unit, a processing unit, a PLC control unit, a six-axis mechanical arm unit, a shaking platform unit and a clamping jaw unit arranged at the end of the six-axis mechanical arm unit. The six-axis mechanical arm unit drives the clamping jaw unit to extract liquid in a liquid bag; the sensing unit is used for detecting the types of penicillin bottles and transmitting information to the processing unit; the processing unit is matched with a preset instruction in the storage unit based on the acquired information; and the PLC control unit issues an instruction of whether to start the six-axis mechanical arm unit to extract liquid or prepare liquid and issues an instruction of whether to start the shaking platform unit based on the matching information acquired by the processing unit. According to the automatic liquid preparation system and method based on the industrial robot, automatic and accurate liquid preparation of the penicillin bottles can be realized, manual participation is effectively reduced, and the working efficiency is improved.

The invention provides a fracturing fluid system and application thereof in a continuous mixing fracturing technique. The fracturing fluid system comprises a raw fluid, a crosslinking fluid and a gelbreaker, the volume ratio of the raw fluid to the crosslinking fluid is (35-200):1, the raw fluid comprises, by weight, 0.2-0.6% of hydroxypropyl guar gum, 0.005-0.03% of a viscosity promoter and 99.37-99.795% of water. Rapid hydration swelling of molecules of the hydroxypropyl guar gum is promoted through synergy between the hydroxypropyl guar gum and little of the viscosity promoter, the raw fluid of the fracturing fluid system can become viscous rapidly under normal temperature and low temperature, and the fracturing fluid system can be imparted the advantages of low price and good fracturing fluid performance; additionally, fluid dispensing efficiency is effectively improved, labor is reduced, the problems of high preparation cost and resource waste caused by the conventional fluid dispensing are solved, and the operation requirements of a large-scale hydrofracturing site are met.

The invention discloses a dosing system and method based on floc characteristic monitoring and process feedback, and relates to the field of chemical phosphorus removal and flocculation in sewage treatment. Comprising a water quality monitoring module used for water quality monitoring of inlet water and outlet water; the floc particle size characteristic monitoring module is used for continuously monitoring the floc particle size characteristics of phosphorus removal / flocculation in the flocculation process; the digital-analog analysis module is connected with the water quality monitoring module and the floc particle size characteristic monitoring module, and is used for carrying out digital-analog analysis on the demand of a chemical adding amount through three kinds of feedbacks, namely water inlet feedforward according to the water inlet quality parameter set, water outlet feedback according to the water outlet quality parameter set and process feedback according to the dynamic change set of the floc particle size characteristics; the calculation module is connected with the digital-analog analysis module and is used for dosing self-adjustment optimization; and the dosing control module is connected with the calculation module and is used for realizing real-time regulation and control of dosing amount. According to the method, the effect of the chemical phosphorus removal / flocculation process is dynamically monitored in real time, and the treatment process effect and pre-judgment control can be effectively fed back.

The invention relates to a floating drug releaser for improving aquaculture environment and belongs to the technical field of aquaculture. Rotating motors are arranged around the outer wall of a drugbox, the rotating motors are fixed to a floating support through a motor bracket, guard discs are fixed to the output shaft of the rotating motors, a chain winds the output shat of the rotating motoron the inner side face of the guard disc, the other end of the chain is connected and fixed to a first lug, the first lug is fixed to the upper part of a branch supporting pipe, the inner ends of thebranch supporting pipes are hinged to the outer wall at the lower end of a general supporting pipe, and elastic sealing waterproof cloth layers are connected between the inner ends of the branch supporting pipes and the outer wall of the lower end of the general supporting pipe. The upper end of the general supporting pipe is fixed to the bottom wall of the drug box.

The invention belongs to the technical field of base station structures, particularly discloses a plant protection unmanned aerial vehicle base station. The plant protection unmanned aerial vehicle base station comprises a machine frame; machine feet are arranged on the four corners at the bottom of the machine frame; a sliding hole is formed in the centre of the machine frame; the sliding hole isin sliding connection with a pesticide adding module; a water tank is arranged at the bottom of the machine frame; the water tank provides a pesticide liquid for the pesticide adding module through awater pump and a hose; four rising and falling grooves are symmetrically formed in the top of the machine frame; the four rising and falling grooves are hopper-shaped structures; a positioning hole is formed in the bottom of each four rising and falling groove; and the positioning holes are used for supporting a rising and falling frame of the unmanned aerial vehicle. According to the plant protection unmanned aerial vehicle base station, the feet of the unmanned aerial vehicle can slide into the positioning holes in the bottoms of the rising and falling grooves quickly and conveniently without complex equipment through the hopper-shaped structures of the rising and falling grooves, so that a pesticide box of the unmanned aerial vehicle is aligned with the pesticide adding module quicklyto quickly replenishing the pesticide, thereby shortening time and improving the pesticide adding efficiency of the unmanned aerial vehicle.

The invention relates to the technical field of sewage treatment devices, in particular to a classified dosing device for sewage treatment. According to the classified dosing device, spaces between every two of a plurality of vertical partition plates and between the vertical partition plates and the left and right side walls of a box body are chemical storage bins, and the chemical storage bins are matched with the outlet ends of a plurality of feeding hoppers in position; a plurality of stirring blades are fixedly arranged on a rotating shaft in the box body at equal fillets; a driving motoris fixedly arranged on the rear side wall of the box body through a motor bracket; an output end of the driving motor is fixedly connected with the rear end of the rotating shaft on the left; a suction pump is fixedly arranged on the inner bottom surface of the box body; an output end of the suction pump is fixedly connected with a liquid guide pipe, and the liquid guide pipe penetrates through the right side wall of the box body and then extends to the right side of the box body; a chemical adding mechanism is arranged on the right side of the box body, after raw materials are manually fed into the classified dosing device, chemical mixing and adding can be integrally and automatically completed through the classified dosing device, the chemical adding efficiency is improved, and the influence of chemicals on the mind and body of workers is reduced.

The invention discloses a device for preparing emulsified liquid. A mixer and a concentration sensor are arranged in a liquid preparing tank; the mixer comprises a liquid inlet and a liquid outlet; a mixing chamber is formed between the liquid inlet and the liquid outlet; the liquid inlet comprises a water inlet and an oil inlet located on the two sides of the mixer; the water inlet is communicated with an external water source through a water feeding pipe; a solenoid valve and a water gauge are arranged on the water feeding pipe; the oil inlet is connected with an oil storage box through an oil feeding pipe; a gear oil pump is arranged on the oil feeding pipe; the concentration sensor, the solenoid valve, the water gauge and a frequency converter are all connected with a controller; the controller is used for controlling the opening of the solenoid valve according to the detection signals of the concentration sensor and the water gauge and controlling the frequency converter to adjust the rotating speed of a motor of the gear oil pump. The device for preparing emulsified liquid, provided by the invention, can promote the liquid supply quality of the emulsified liquid, can increase the liquid preparing efficiency, can guarantee the excellent running of a supporting device of a working surface and has practical significance in safe and efficient production of the working surface.

The invention relates to an automatic liquid dispensing machine which comprises a medicine liquid diluting assembly, a medicine liquid shaking assembly, a medicine liquid transferring assembly, a medicine liquid balance assembly, a medicine bag storage assembly and a controller. Under the control of the controller, the medicine is shaken uniformly in the medicine liquid shaking assembly after being diluted by the medicine liquid diluting assembly, and the medicine bag in the medicine bag storage assembly is controlled by the controller to discharge the surplus medicine through the medicine liquid balance assembly, the medicine liquid which is uniformly shaken in the medicine liquid shaking assembly is transferred to the medicine bag stored in the medicine bag storage assembly through the medicine liquid transferring assembly, so that the automatic dispensing of the medicine liquid is completed; the automatic liquid dispensing machine uses the mechanical automatic operation to replace manual operation, the labor intensity of operators can be effectively relieved, and the liquid dispensing efficiency can be improved.

The invention provides a liquid dispensing method and a liquid dispensing system, wherein the liquid dispensing method comprises the following steps: receiving a liquid dispensing order, and placing aplurality of required drug containers onto a drug tray; placing the drug tray on a preset position; and in accordance with a preset order of extracting and injecting liquid in the liquid dispensing order, driving injector operating modules to sequentially move to positions which adapt to the drug containers on the drug tray in each step of operation of extracting or injecting the liquid via a first motion platform, pushing and pulling plungers of injectors via plunger operating components in the injector operating modules, and executing the operation of extracting the liquid from or injectingthe liquid into the drug containers until the completion of liquid dispensing. Based on the method and the system, manual liquid dispensing is replaced by automatic liquid dispensing via an intelligent machine, so that high liquid dispensing efficiency and good operating accuracy are achieved, and workload of medical personnel is reduced; and the method and the system are conducive to body healthof the medical personnel.

The invention discloses a dosing system, which is characterized by including a dosing pump, a dosing tank, a dosing device and an aeration tank, the dosing device comprises an inverted U type siphon, a floating ball and a bracket, wherein the bracket comprises a longitudinal rod and at least one lateral plate, the longitudinal rod is vertically fixed on the dosing tank, the middle part of each lateral plate is fixedly arranged on the longitudinal rod, two ends of each lateral plate are provided with sliding chutes, two longitudinal pipes of the inverted U type siphon respectively downward penetrate into the sliding chutes, the floating ball is fixed on the end of a short longitudinal pipe of the inverted U type siphon, the floating ball is located in the dosing tank, and a long longitudinal pipe of the inverted U type siphon is located just above the aeration tank. The dosing system can maintain a certain flow velocity, can uninterruptedly dose to the aeration tank, and can be regularly swashed, polymeric ferric sulfate is not easy to crystallize in the pipe, blockage is not easy to cause, and the dosing efficiency is improved.

The invention relates to an analyzing grid for phase contrast imaging and / or dark-field imaging, a detector arrangement for phase contrast imaging and / or dark-field imaging comprising such analyzing grid, an X-ray imaging system comprising such detector arrangement, a method for manufacturing such analyzing grid, a computer program element for controlling such analyzing grid or detector arrangement for performing such method and a computer readable medium having stored such computer program element. The analyzing grid comprises a number of X-ray converting gratings. The X-ray converting gratings are configured to convert incident X-ray radiation into light or charge. The number of X-ray converting gratings comprises at least a first X-ray converting grating and a second X-ray converting grating. Further, the X-ray converting gratings each comprise an array of grating bars, wherein the grating bars within each X-ray converting grating are arranged mutually displaced from each other in a direction perpendicular to the incident X-ray radiation by a specific displacement pitch. Further, the grating bars of the first X-ray converting grating are arranged mutually displaced from the grating bars of the second X-ray converting grating in the direction perpendicular to the incident X-ray radiation by the displacement pitch divided by the number of X-ray converting gratings.

The invention discloses a carbon source accurate intelligent feeding control system and method, the system comprises an online monitoring system, a carbon source feeding system, a first PLC controller, a second PLC controller and a third PLC controller, the carbon source feeding system is electrically connected with the first PLC controller to control the feeding of a carbon source; the online monitoring system collects inlet and outlet water TN, inlet water instantaneous flow, ammonia nitrogen and COD data and anoxic zone DO, pH values and ORP values through instruments, the instruments of the online monitoring system are all electrically connected with the second PLC, the third PLC serves as a sampling and sample measuring master control PLC and receives a sample measuring command of the second PLC, and the third PLC is electrically connected with the second PLC. A command is sent to an instrument for sampling, sample reserving and detection, a sample detection result is fed back to the second PLC, and a water sample pretreatment unit is arranged between the anoxic zones of the biochemical pool. According to the accurate intelligent adding control system and method for the carbon source, accurate automatic adding of the carbon source agent is achieved, the agent adding efficiency is improved, and the agent cost is controlled and reduced.

The invention provides liquid filling equipment. The liquid filling equipment comprises a vacuumizing part, a filling part and a filling gun head. The vacuumizing part comprises a vacuum pump, a vacuum tank, a vacuum pump on / off control valve, a first vacuum tank connection / disconnection control valve and a second vacuum tank connection / disconnection control valve. The filing part comprises a filling pump, a pilot type overflow valve, an air source, a first solenoid valve, a second solenoid valve, a first remote pressure regulating valve and a second remote pressure regulating valve. By the adoption of the liquid filling equipment, the liquid filling time of vehicles can be shortened, and the filling efficiency of the vehicles is improved.

The invention relates to a modular automatic permanganate index analyzer comprising the following parts of a support frame for positioning and installation of each functional module; a sample cup placement module for placing a sample cup to be tested; a water bath analysis module for performing water bath heating on the sample cup and completing the titration detection of the reagent; an automatedsample removal module for transferring the sample cup between the sample cup placement module and the water bath analysis module; a fully automatic injection module for adding the reagents required for the test into the sample cup in order in fix quantify; and a reagent storage module for storing the reagents required for the test and connected to the fully automatic injection module. The index analyzer provided by the invention adopts a modular design, each module has an independent function, each functional component in the system is low in coupling degree and easy to repair faults, and thedesign of a four-channel injection system is adopted to effectively avoid cross-contamination between different reagents with high test precision.

The invention discloses a phosphate dosing device for a boiler. The dosing device comprises a dosing tank and at least two dispensing tanks, wherein a plurality of dosing pipes are connected with thedosing tank; a dosing pump and a dosing flowmeter are arranged on each dosing pipe; a spare pipe is further connected with a position between each dosing pipe and the dosing tank; a spare pump is arranged on the spare pipe; the at least two dispensing tanks are respectively used for containing phosphate and pure water; the dispensing tanks are all communicated with the dosing tank through dispensing pipes; a dispensing pump and a dispensing flowmeter are arranged on each dispensing pipe; and a stirring mechanism and a heating device, which are used for improving the dispensing efficiency, arefurther arranged in the dosing tank. The dosing device is convenient and practical, and high in dosing efficiency, can realize dosing while dispensing, ensures that dosing can be conducted at any time, greatly simplifies the dosing operation, and reduces the cost for treating calcium scale on the boiler.

A method of producing gypsum building board, in which there is added, to an aqueous gypsum slurry containing a water swellable clay, a basic water-soluble polymer having preferential affinity for clay. The slurry is allowed to set so as to form a board. The basic water-soluble polymer may be, for example, a polyvinyl alcohol or a polymer consisting essentially of carbon, nitrogen and hydrogen and having amine groups (which may be primary, secondary, tertiary or quaternary) in the polymer backbone and / or in side chains thereof.

The invention discloses an accurate fluid distribution device and a fracturing fluid distribution system and relates to the technical field of fracturing fluid distribution. The accurate fluid distribution device comprises a feeding mechanism, a stock bin and a quantitative conveying mechanism, wherein the feeding mechanism is connected with the stock bin; the quantitative conveying mechanism comprises a driving component, a feeding screw rod and an accommodating drum; the driving component is connected with the feeding screw rod so as to drive the feeding screw rod to rotate; the feeding screw rod is arranged in the accommodating drum; a feeding port and a discharging port are formed on the surface of the accommodating drum; the stock bin is connected with the feeding port; and the discharging port is used for connecting a stirring tank of a fracturing blender truck. Compared with the fluid distribution device in the prior art, the accurate fluid distribution device provided by the invention has the advantages that the feeding mechanism connected with the stock bin and the feeding screw rod arranged in the accommodating drum are adopted so that the instant fluid preparation and use on the construction site can be realized, the cost and the space can be saved, and meanwhile, the proportion of the added materials is accurate, the fluid distribution efficiency is high and the practicability is high.

The invention discloses a washing liquor bucket arrangement shelf which comprises an arrangement shelf body used for arranging washing liquor buckets. A plurality of limiting grooves used for containing the washing liquor buckets and limiting the washing liquor are formed in the arrangement shelf body. By means of the washing liquor bucket arrangement shelf, the washing liquor buckets can be correspondingly arranged in the corresponding limiting grooves in the arrangement shelf, the washing liquor buckets can be arranged, the arrangement stability of the washing liquor buckets can be ensured, the phenomenon that washing liquor is wasted and the environment is polluted due to displacement or falling of the washing liquor buckets can be avoided, and the liquid preparing efficiency is improved; the cleaned washing liquor buckets can be easily aired, and anti-pollution arrangement is avoided.