13results about How to "Improvement factor" patented technology

The layered water distributor comprises multiple stages of layered water distributors which correspond to water injection layers and are connected between two adjacent oil pipes, packers are arranged between the outer portions of the oil pipes at the upper end and the lower end of each stage of layered water distributor and a sleeve in a sealed mode, and the top end of the oil pipe at the uppermost end is communicated with a ground water injection pipeline. A water injection regulating valve and a flow meter are arranged on the ground water injection pipeline, and the water injection regulating valve and the flow meter are in common electric signal connection with a ground layering controller. The underground layered water injection rate is metered by the ground layered controller and linked with the layered water distributor of the underground target interval, layered alternate pulsating water injection is carried out, interlayer interference factors are overcome, and layered accurate water injection is achieved; additional fluid channeling, gravity fluid channeling and capillary force fluid channeling generated by pulsation type unstable water injection solve the problem of invalid water injection of dominant channels. Oil reservoir pressure field changes generated by layered pulsating water injection expand the water injection sweep efficiency, and the water injection recovery efficiency is greatly improved.

The invention discloses a hollow magnetic material as well as preparation and application thereof in food detection pretreatment, and belongs to food detection analysis. The hollow magnetic MgFe-LDH is synthesized through a one-step method, the MgFe-LDH is in a hollow flower-ball shape, black Fe3O4 balls are stacked on the hollow flower-ball shape of the MgFe-LDH, the hollow magnetic MgFe-LDH is used for magnetic solid phase extraction (MSPE) of quinoline carboxylic acid antibacterial drugs in honey samples, compared with a traditional adsorbent, the magnetic MgFe-LDH is easily dissolved by acid, and the magnetic Fe3O4 balls are not prone to being dissolved by the acid. In the extraction process, H2SO4 is selected to dissolve materials to replace a traditional organic solvent extraction mode, so that the extraction process is more efficient and green. The method for detecting the quinoline carboxylic acid antibacterial drugs in the food by using the hollow magnetic MgFe-LDH as the adsorbent provided by the invention has the advantages of wide linear range (0.03-7mg. L <-1 >), low detection limit (0.023-0.036 mg. L <-1 >), high correlation coefficient (greater than 0.9988), good precision (4.4-9.3%), high extraction recovery rate (83.8-104.3%) and the like.

An object of the present invention is to provide a compound not affecting a material inside a device by absorbing light at a wavelength of 400 nm to 410 nm of sunlight, and having a high refractive index at a wavelength in range of 450 nm to 750 nm in order to prevent deterioration inside the device of an organic EL device and greatly improve light extraction efficiency. The present invention was achieved by focusing on the fact that arylamine-based materials have excellent thin film stability and durability and planning a diamine compound having a specific benzazole ring structure with a high refractive index, using the compound as materials constituting a capping layer, and an organic EL device having excellent luminous efficiency was obtained.

The application discloses a video processing method, device and equipment and a computer readable storage medium, and applies to the field of video processing, and comprises the following steps: receiving a code stream output by an encoder; if a saturation enhancement enabling flag in the code stream is valid, determining whether a pixel belongs to a skin color protection area according to a preset condition in a linear light domain; if the pixel belongs to the skin color protection area, performing smoothing interpolation processing on a saturation scaling factor in metadata parameters by using a sliding window according to a relative position of a hue angle of the pixel in a skin color interval to obtain an effective enhancement coefficient; if the pixel does not belong to the skin color protection area, taking the saturation scaling factor as the effective enhancement coefficient; and obtaining an enhanced color component according to a color difference component of the pixel and the effective enhancement coefficient and a luminance value of the pixel. The application solves the problems of insufficient saturation, over-saturation of the skin color area, skin color distortion and other video quality problems of an HDR video after dynamic range conversion.

Disclosed are a film and a photoelectric device including the compound of Chemical Formula 1 and configured to selectively absorb light in a blue wavelength region, and an image sensor and electronic device including the same: In Chemical Formula 1, each substituent is the same as defined in the detailed description.

The invention provides an optimized foam system for a fractured-vuggy carbonate reservoir as well as a preparation method and a profile control and displacement method thereof, and relates to the technical field of oilfield chemistry. The preparation method of the optimized foam system for the fractured-vuggy carbonate reservoir comprises the following steps: mixing a surfactant with a solution to obtain a surfactant solution; mixing the authigenic fiber with the obtained surfactant solution to obtain a solution; and the obtained solution and gas pass through a foam generator to generate foam. By means of the method, a stable packing layer with certain supporting capacity can be formed on the interface of the water layer and the foam to isolate subsequent foam from the water layer, the sweep range and the passing capacity of a foam system in a large-scale flowing space can be improved, and the sweep coefficient of the stratum is effectively improved.

The invention relates to a saturated waste salt solution salt separation method based on density detection. The method comprises the following steps: (1) preparing a saturated salt solution; (2) filtering carbon residues therein; (3) continuously stirring the solution, ensuring a homogeneous environment of the solution, and keeping the temperature of the solution at 25-27 DEG C; (4) a high-precision densimeter is used, the effective number of bits reaches five, and the solution contact material is titanium; (5) drawing a'density-solution component 'relation network curve; (6) obtaining sodium chloride purity node data and corresponding density node data of the salt separation process; and (7) when the density of the saturated pyrolysis waste salt solution is smaller than the density node data, the solution enters an evaporative crystallization process, and when the density of the saturated pyrolysis waste salt solution is larger than the density node data, the solution enters a freezing crystallization process. The method has the advantages of accurate detection, simple operation, low cost and the like.

A method for rapidly obtaining Salvia serrata plants through asexual reproduction, wherein plants can be rapidly obtained through root segment induction, are not affected by seasons, have good repeatability, high stability, rapid reproduction, and a large coefficient. The invention has a short seedling induction cycle, can be planted in the same year and can complete flowering, shortens the growth cycle, and provides technical and application guarantees for production promotion, scientific experiments, and breeding.

The invention provides a leakproof ostomy bag convenient to replace and clean, which comprises a bag body assembly and a sealing mechanism, the bag body assembly comprises an outer lining bag, a collecting bag and an ostomy base plate; wherein the collecting bag is fixedly connected to the inner side wall of the outer lining bag. The hydrocolloid dressing ring is used for absorbing wound exudate and expanding to form a gel barrier so as to improve the leakage-proof performance of the ostomy bag, the expansion characteristic of the hydrocolloid dressing ring can be used for being matched with the quick-release connecting mechanism to form mechanical pre-tightening force, and the sealing performance between the quick-release connecting mechanism and the artificial ostomy is improved; the collecting bag and the stoma base plate are connected through the quick-release connecting mechanism, so that when the stoma bag is replaced, axial stress is replaced with radial stress, or dismounting and mounting force does not directly act on the skin of a patient; or the dismounting force is concentrated in the mechanism; or a dismounting force reduction coefficient is increased; the traction force to the skin is reduced, and the disturbance to the stoma is reduced.

There are provided a fluorescent compound represented by General Formula (1) and a fluorescently labeled biological substance using the fluorescent compound. In the formula, FL indicates an n-valent phosphor moiety, and n is an integer of 1 or more. R11 to R15 represent a hydrogen atom or a substituent. However, at least one combination of the combination of R11 and R12 or the combination of R12 and R13 is a combination in which one is -SO3-X+ and the other is a substituent. X+ represents a hydrogen ion or a metal ion.

This invention relates to the field of carbon dioxide geological storage and utilization technology, specifically to a method for determining the relative permeability of shale gas and water considering CO2 connectivity. It includes: obtaining basic parameters of the shale; establishing the relationship between CO₂ connectivity (CI) and bound water saturation (S). wi The quantitative relationship; based on the theory of variable diameter capillary tubes, the shape coefficient F of the pore throat unit is introduced. i This invention couples CO₂ connectivity (CI) into the analytical expression of gas-water relative permeability, constructing a shale gas-water relative permeability calculation model that considers CO₂ connectivity. By incorporating this dynamic key parameter into the model construction and establishing an exponential quantitative relationship between CO₂ connectivity and bound water saturation, the influence of the proportion of effective flow paths of CO₂ in the pore-throat network on seepage is accurately quantified. This results in a correlation coefficient between the model's calculated values ​​and experimentally measured values ​​exceeding 0.95, significantly outperforming the traditional Brooks-Corey model and improving the accuracy of relative permeability prediction for low-permeability shale.

The utility model discloses a detection and alarm device for separation of a casting hydraulic platform and a mold disc base, which comprises a mounting plate, a hole is formed in the center of the mounting plate, a distance sensor is mounted in the hole, and the distance sensor is used for detecting the distance between the casting hydraulic platform and the mold disc base so as to determine whether the casting hydraulic platform and the mold disc base are in a separation state or not; the connecting bolts are arranged at equal angles, penetrate through the edge of the mounting plate and are in threaded connection with the mounting plate; the locking nut is arranged on the connecting bolt in a screwing and sleeving manner so as to limit the connecting bolt; by means of the design, automatic alarming can be achieved through non-operation interlocking detection in the production process, five-linkage automatic starting and casting stopping of a casting machine are achieved while alarming signals are sent out, and therefore accident risks are reduced, the coefficient of safety production is increased, and safe and efficient production is achieved; and the problem of inconvenient disassembly and assembly caused by rusting is solved.

The present invention discloses a quantitative characterization method for the dynamic changes of the recovery degree of a water-flooding reservoir. The recovery degree of a stage is decomposed by five parameters, namely, the oil displacement efficiency, the plane sweep coefficient, the longitudinal sweep coefficient, the water-flooding reserve control degree and the water-flooding reserve utilization degree, to obtain the curves of the changes of different parameters with the water content. Through the dynamic decomposition study of the recovery degree of a stage: first, the characteristic parameters of the production increase measures with different action mechanisms can be deeply analyzed. By comparing the changes of various parameters in the recovery degree of the stage before and after the measures, compared with the current general evaluation method, this method is more detailed and targeted in evaluating parameters; second, the main development contradictions of oil reservoirs at different water-containing stages can be clarified.