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59results about How to "Reach control" patented technology

Method for enhancing recovery ratio through three-dimensional streamline regulation of water drive reservoir

The invention discloses a method for enhancing recovery ratio through three-dimensional streamline regulation of a water drive reservoir. The method is characterized by comprising the following steps: identifying the planer development segment and vertical development segment of a preferential seepage channel to quantificationally calculate sampling parameters; establishing a three-dimensional geologic model comprising the characteristics of the preferential seepage channel, establishing a reservoir numerical simulation model, and finely determining a residual oil distribution characteristic under current heterogenous condition through reservoir numerical simulation; carrying out pattern modification and optimized water shutoff and profile control design; and determining whether layered injection and recovery is required according to water adsorption characteristics of a vertical water well and liquid generation characteristics of an oil well by utilizing the reservoir numerical simulation result. In the invention, on the basis that the preferential seepage channel is blocked through deep profile control and water shutoff, the planer flow line direction is changed through the combination water shutoff and profile control with pattern modification optimization, water shutoff and profile control are optimally combined with subdivided development layers and layered injection and recovery optimization to control and regulate the density of vertical flow lines, and the purpose of maximally control underground flow lines is achieved through the synergistic effect of different means.
Owner:CHINA PETROLEUM & CHEM CORP +1

Deep brain stimulation FPGA (Field Programmable Gate Array) experimental platform for basal ganglia and thalamencephalon network for parkinson's disease

The invention provides a deep brain stimulation FPGA experimental platform of a basal ganglia and thalamencephalon network for the parkinson's disease. The experimental platform comprises an FPGA development board and an upper computer, which are connected with each other; the FPGA development board is used for realizing a basal ganglia and thalamencephalonneuron network model and a deep brain stimulation controller; the upper computer is used for designing an upper computer software interface and being communicated with the FPGA development board. The experimental platform has the benefits that as an animal-free experiment means of a biological neural network, and on the basis of the high-speed computation FPGA neuron network, the experimental platform realizes the modeling of the neuron network of a complex parkinson's disease focus area, and the neuron network model can be consistent with real biological neuron on a time scale. The platform provides a visual research platform, closer to the real neuron network, for researching the discharging mechanism of the parkinson's disease and the abnormal discharging mode of the basal ganglia and thalamencephalonneuron network controlled by deep brain stimulation, and has a significant practical value in researching the treatment of the parkinson's disease.
Owner:TIANJIN UNIV

Skin care product having anti-wrinkle firming and beauty-maintaining moisturizing effects

The invention discloses a skin care product having anti-wrinkle firming and beauty-maintaining moisturizing effects. The skin care product is prepared from the following the following raw materials in certain proportions: ceramide 1, tripeptide-3, kirilow rhodiola root extract, asiatic pennywort herb extract, punica granatum fruit extract, hyaluronic acid, rosebud extract, lavender oil, soybean peptides, hamamelis virginiana extract and vitamin C. The raw materials of the skin care product having the anti-wrinkle firming and beauty-maintaining moisturizing effects are natural plants and Chinese herbs and no additives such as essence, pigment, mineral oil and preservative are added; the use of the skin care product brings about remarkable anti-wrinkle and moisturizing effects; the skin care product has good wrinkle removing capability and moisturizing effect, and strong moisture increasing capability and continuous moisture maintaining effect. Human body irritation and patch testing research results indicate that the skin care product has no irritation and untoward effects on a human body; the skin care product is capable of maintaining moisture, nourishing skin, preventing rough skin and skin aging, and keeping the skin bright and elastic, and has the anti-wrinkle firming and beauty-maintaining moisturizing effects.
Owner:SHANGHAI TINGLAN BIOTECH

Distance detection method of car reversing radar, and device thereof

The invention relates to a distance detection method of a car reversing radar, and a device thereof, which belong to the technical field of car reversing radars. The detection method comprises the steps of moving an obstacle to different positions behind a vehicle to be detected, and obtaining control signal data of a stepping motor; calculating the actual distance value between the obstacle and the vehicle to be detected based on the control signal data; detecting whether the car reversing radar launches the car reversing function or not; obtaining the distance value between the obstacle andthe vehicle to be detected by the car reversing radar if the car reversing radar launches the car reversing function; calculating the absolute value of difference between the obtained distance value and the actual distance value; setting a comparison threshold value, and comparing the absolute value with the comparison threshold value, and stopping the alarm if the absolute value is larger than the comparison threshold value, and conducting on-line calibration on the distance value obtained by the car reversing radar. The invention is advantageous in that the technical problem of the conventional distance detection adopting manual measurement that detection efficiency is low and detection precision is low can be resolved.
Owner:HUIZHOU DESAY SV AUTOMOTIVE

Implantable axial-flow type blood pump temperature detection system and method based on fiber bragg gratings

The invention provides an implantable axial-flow type blood pump temperature detection system and method based on fiber bragg gratings. The system comprises a blood pump, the fiber bragg gratings (8), a motor controller (10), a demodulator (14) and a computer (13), wherein the fiber bragg grating (8) is pasted to an axial blood pump flow passage (7); the motor controller (10) and the demodulator (14) are connected with the leading-out ends of the fiber bragg gratings (8); the computer (13) is connected with the demodulator (14) through a data line. The method comprises the steps that the fiber bragg gratings are laid on a brushless motor stator; the fiber bragg gratings are laid in the implantable axial-flow type artificial heart pump; optical fibers are led out of the human body and connected with the demodulator. The implantable axial-flow type blood pump temperature detection system detects the temperature of the implantable axial-flow type blood pump through the fiber bragg gratings, and the compatibility problem caused by introduction of a sensor cannot occur while temperature detection is achieved, so that intelligent detection and control are realized, power consumption of the blood pump is reduced, and the problems existing in implantation of the blood pump are reduced.
Owner:WUHAN UNIV OF TECH

An air conditioning box for controlling indoor air pollution in smoggy days and its operating method

The invention discloses an air conditioning cabinet for controlling indoor air pollution in haze days. A fresh air pipe, an air supplying pipe and an air returning pipe are respectively communicated with the air conditioning cabinet, the fresh air pipe is communicated with a fresh air filtering section inside the air conditioning cabinet through a valve, and the fresh air filtering section is divided into an upper fresh air channel and a lower fresh air channel which are independent. A first fresh air valve, at least two levels of fresh air filters, a fresh air draught fan and a second fresh air valve are sequentially arranged inside the upper fresh air channel in the air supplying direction. The filtering efficiency of the two levels of fresh air filters increases gradually in the air supplying direction. A third fresh air valve, a first fresh air filter and a fourth fresh air valve are sequentially arranged inside the lower fresh air channel in the air supplying direction. Under normal working conditions, fresh air enters a mixing section from the lower fresh air channel. In the haze days, the fresh air enters the mixing section from the upper fresh air channel, and therefore the indoor particulate pollution in the haze days is controlled, the resistance of an air conditioning system in the normal working conditions is not increased, operation is economical, and control is easy and convenient.
Owner:中建西南院(四川)科技有限公司

High pressure anti-cavitation cut off ball valve with noise reduction function

The invention discloses a high pressure anti-cavitation cut off ball valve with a noise reduction function and belongs to pipeline control valves. According to the high pressure anti-cavitation cut off ball valve with the noise reduction function, the technical problems to be solved are that the ball valve cannot reduce pressure, reduce flow velocity, control noise and regulating performance is poor. An adoptive technical proposal is that the structure comprises a main valve body, a vice valve body, a valve seat, a valve rod and a ball body. The high pressure anti-cavitation cut off ball valvewith the noise reduction function has the characteristics that the vice valve body is installed on the main valve body, the valve seat is installed on a valve body which is consist of the main valvebody and the vice valve body, the ball body is installed in the valve seat and the valve rod is fixedly connected with a ball body; a low pressure fluid outlet is formed in the main valve body, a highpressure fluid inlet is formed in the vice valve body, a through hole I is formed in the ball body, the high pressure fluid inlet, the through hole I and the low pressure fluid outlet are connected in sequence; the through hole I of the ball body is internally provided with a plurality of laminations which are evenly arrayed in a laminating state and a through hole II is installed between each layer of the laminations; grooves are formed in the side walls of the laminations and the grooves and the through hole II are connected in a rectangular shape or in a sawtooth shape.
Owner:SHANDONG WALKER CONTROL VALVE CO LTD

Hoisting fixed-sprinkling air purifier for pork pig breeding

The invention provides a hoisting fixed-sprinkling air purifier for pork pig breeding. The hoisting fixed-sprinkling air purifier structurally comprises an annular tooth hoisting device, an external power line, a hoisting platform, a damp-proof hollow rod, a hoisting fixed-sprinkling device and a flexible glue supplementing mechanism, wherein the external power line is embedded in the hoisting platform, and the bottom end of the annular tooth hoisting device and the top end of the hoisting platform are of an integrated structure. The hoisting fixed-sprinkling air purifier for pork pig breedinghas the advantages that a cold contraction tieback mechanism provides kinetic energy for a winding rotary cylinder, so that the winding rotary cylinder controls a sliding support nozzle sealing mechanism to open a power outlet channel and controls a throwing discharge spraying mechanism to spray bacterium powder, and the bacterium powder takes bacteria on excreta as food to perform encroaching consumption on most of the bacteria on a large amount of the excreta in a farming site, thereby controlling the proliferation of the bacteria in the farming site, and fundamentally eliminating odors; after sterilization and deodorization are carried out on the excreta, the bacteria die soon, which can effectively achieve the effect of controlling and eliminating the odors and effectively improve theenvironment of the farming site, thereby ensuring the health of breeders.
Owner:广东湛江正大猪业有限公司

Low-temperature oxidation coloring treatment process method for workpiece on surface of clutch driven plate

The invention discloses a low-temperature oxidation coloring treatment process method for a workpiece on the surface of a clutch driven plate. The method comprises the following steps of: a, performing carbonitriding and quenching treatment on a stamping part (workpiece for short) on the surface of the clutch driven plate; b, cleaning the workpiece in a cleaning machine, removing oil dirt and impurities from the surface of the workpiece by using metal cleaning fluid, spraying clean water to the workpiece, and drying the workpiece; c, performing surface polishing on the workpiece to remove superficial black spots; and d, after the surface polishing, performing coloring treatment on the workpiece. Through a low-temperature oxidation coloring treatment technology for the surface of the workpiece, a layer of oxidization protection film is formed on the surface of the workpiece to ensure that the appearance color can be controlled and the surface of the workpiece is rust-proof, so that the problem of pollution caused by chemical residual liquid during acid pickling and surface phosphorization of the workpiece is fundamentally solved, and the low-temperature oxidation coloring treatment process method meets requirements for environmental protection.
Owner:广东亚新汽车传动有限公司

Polyimide laminated layer and preparation method thereof and copper-clad plate containing polyimide laminated layer

PendingCN111559135AGuaranteed flexibilityGuaranteed high-frequency/high-speed transmission performanceFlexible printed circuitsLaminationImidePolymer science
The invention provides a polyimide laminated layer and a preparation method thereof, and a copper-clad plate containing the polyimide laminated layer. The polyimide laminated layer comprises a first polyimide layer and a second polyimide layer which are sequentially laminated on a base material layer, and the first polyimide layer has flexible functional groups. In terms of monomers providing theflexible functional groups, the mass content of the flexible functional groups of the first polyimide layer is 2.5-6.5%, the CTE of the first polyimide layer is 16-30 ppm/DEG C, the CTE of the secondpolyimide layer is 12-20 ppm/DEG C, the CTE of the first polyimide layer is greater than the CTE of the second polyimide layer, and the CTE of the second polyimide layer is greater than the CTE of thebase material layer. Because the first polyimide layer contains a certain amount of the flexible functional groups, the copper-clad plate can maintain the flexibility of the polyimide layer; polyimide layers with different performances are combined for use, so the high-frequency/high-speed transmission performance of the copper-clad plate is ensured, and 5G electron transmission requirements aremet.
Owner:HANGZHOU FIRST ELECTRONIC MATERIAL CO LTD

Airborne passive air intake special pollution real-time rapid monitoring system

The invention discloses an airborne passive air intake special pollution real-time rapid monitoring system, which relates to an airplane special pollution control system. The system comprises an engine, a primary filter, a pipeline branch control valve, an environment control system, a monitoring instrument and an airplane cockpit which are sequentially communicated through a pipeline. The systemfurther comprises a high-efficiency filter. The high-efficiency filter is communicated with a pipeline between the primary filter and the pipeline branch control valve through an inlet branch, and thehigh-efficiency filter is communicated with a pipeline between the pipeline branch control valve and the environment control system through an outlet branch; a high-efficiency filter branch control valve is arranged on the inlet branch; and the monitoring instrument is connected with the high-efficiency filter branch control valve through a first signal feedback path, and is connected with the pipeline branch control valve through a second signal feedback path. Real-time opening or closing of each branch of the airborne filter device is controlled through signals transmitted by the monitoringinstrument, so that the airborne filter device does not need to be opened for a long time, and energy is saved.
Owner:BEIHANG UNIV

Forged piece fine machining clamp

The invention discloses a forged piece fine machining clamp, and relates to the technical field of forged piece fine machining. The forged piece fine machining clamp comprises an outer frame, power motors are fixedly connected to the top of the two sides of the inner wall of the outer frame, first belt pulleys are rotatably connected to output shafts of the power motors, second belt pulleys are rotatably connected to the first belt pulleys through belts, threaded rods are fixedly connected to the portion below the second belt pulleys through flat keys, the outer walls of the threaded rods aresleeved with slide blocks, limiting plates are fixedly connected to the bottoms of the threaded rods, assisting racks are fixedly connected to the portion, located below the power motors, on the innerwall of the outer frame, assisting slide blocks are slidably connected to the outer sides of the assisting racks, the outer sides of the assisting slide blocks are fixedly connected with the slide blocks, and first rotary rods are rotatably connected to the sides, away from the assisting slide blocks, of the slide blocks. By means of the forged piece fine machining clamp, the purposes are achieved that the length of a workpiece is controlled, the workpiece is fixed and clamped, the clamp can be adapted to workpieces with different lengths, it is guaranteed that the workpiece is stably clamped, and the workpiece cannot be deviated during fine machining.
Owner:HEFEI DONGLU MACHINERY MFG
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