14results about How to "Avoid regrouping" patented technology

The invention discloses a composite viscosity reducer and an oil extraction and viscosity reduction process thereof, and belongs to the technical field of petrochemical engineering. The composite viscosity reducer comprises an amphiphilic copolymer, sodium fatty alcohol polyoxyethylene ether sulfonate, modified nano silicon dioxide and water, wherein the composite viscosity reducer is prepared from 0.5 to 5 weight percent of amphiphilic copolymer, 0.05 to 2 weight percent of fatty alcohol polyoxyethylene ether sodium sulfonate, 5 to 15 weight percent of modified nano silicon dioxide and the balance of water. The composite viscosity reducer has good temperature resistance and can adapt to a complex oil reservoir environment, and the composite viscosity reducer can be matched with a hydrodynamic cavitation transducer, so that sodium fatty alcohol polyoxyethylene ether sulfonate can be fully mixed and emulsified with crude oil, the crude oil is heated, and the oil displacement and viscosity reduction effects are further improved.

The invention relates to structural health monitoring intelligent concrete for airports and a preparation method thereof, and the method comprises the following steps: adding a polycarboxylic acid water reducing agent into water, and mixing to obtain a water reducing agent solution; adding carboxylated multi-walled carbon nanotubes, silica fume and fly ash into the water reducing agent solution, and mixing to obtain a carbon nanotube suspension; performing ultrasonic treatment on the carbon nanotube suspension to obtain a carbon nanotube dispersion liquid; and adding the carbon nanotube dispersion liquid into the dry material mixture, and mixing to obtain the structural health monitoring intelligent concrete for the airport. Compared with the prior art, the conductivity of the concrete can be effectively improved, so that the concrete has the function of monitoring structural health.

The invention discloses a three-sludge treatment agent and a preparation method thereof, and belongs to the technical field of oily sludge treatment, the three-sludge treatment agent comprises a treatment agent A and a treatment agent B. The treatment agent B comprises the following raw materials by mass: 30-40 parts of polyacrylamide, 8-10 parts of modified attapulgite clay, 5-6 parts of a compound, and 40-55 parts of deionized water. The modified attapulgite clay is strongly combined with protective films at oil-water and oil-sludge interfaces in the oil sludge through electrostatic force, hydrogen bonds and hydrophobic interaction, the protective films at the oil-water and oil-sludge interfaces are destroyed, oil drops are released and coalesced to form an oil phase, and separation of oil, water and sludge is achieved; positive charges carried in the modified attapulgite clay can be adsorbed to the surfaces of sludge particles with negative charges to be settled and separated out; carboxyl groups contained in the modified hemicellulose can be combined with hydrophilic groups of sophorolipid to form stable mixed micelles, so that the situation that the sophorolipid is easily influenced by the environment to lose efficacy, and oil drops are regathered and precipitated is avoided.

The invention relates to the technical field of particle size detection, in particular to an online particle size detector which comprises a base, the screening and arranging mechanism comprises an arc-shaped shell fixedly connected to the upper end face of the base, one end of the arc-shaped shell is provided with a material conveying assembly used for spraying particles to be detected into the arc-shaped shell, and the other end of the arc-shaped shell is sequentially provided with a vacuum dust collector and a laser scattering instrument; two air curtain assemblies used for screening different specifications of particle sizes are symmetrically arranged on the inner arc face of the arc-shaped shell and the material conveying assembly, and fixing plates are arranged on the upper end faces of the opposite faces of the two air curtain assemblies. Through a material conveying assembly and an air curtain assembly in the screening and arranging mechanism, distributed transmission of granularity and screening of granularity of different specifications can be realized, so that the granularity specifications entering the detector are kept basically consistent, detection errors caused by particle mixing and a block mass effect are reduced by accurately controlling airflow and granularity distribution, and the detection accuracy is improved. And the detection result is more reliable.

The invention provides a UV-cured color-tunable dual-emission room-temperature phosphorescent material as well as a preparation method and application thereof, and belongs to the technical field of color-tunable room-temperature phosphorescent functional materials. According to the invention, nitrogen-doped or nitrogen-metal ion-doped carbon quantum dots are used as a main ultraviolet light response phosphorescence color development center, a polyacrylamide and cellulose-based derivative double network is used as a substrate and a secondary phosphorescence color development center, acrylamide double bonds are broken into polyacrylamide through ultraviolet light, and further dehydration is carried out; the prepared room-temperature phosphorescent material shows different visible light colors under the excitation of ultraviolet light with two wavelengths, is tunable in color, can be applied to the fields of anti-forgery ink, optical information coding, photoelectric devices, advanced information encryption, humidity sensing detection and the like, and has wide application prospects. Wide popularization and application prospects are realized.

The invention provides a tea fermentation machine convenient for temperature control and a fermentation method thereof, and belongs to the technical field of tea fermentation. Comprising a fermentation cabinet and further comprises a dispersion mechanism, the dispersion mechanism comprises a plurality of flow guide covers fixed in the fermentation cabinet, cylinders are rotationally connected in the flow guide covers, air holes are formed in the cylinders, partition plates are fixed to the inner walls of the flow guide covers, a gear motor is fixed to the side face of the fermentation cabinet, and the output end of the gear motor is fixedly connected with the ends of the cylinders. By arranging the cylinder, the shifting plate and the dispersing assembly, tea leaves are put into the cylinder, water vapor and hot air enter the cylinder from the air holes after being guided by the guide cover, the gear motor drives the cylinder to rotate, the cylinder drives the shifting plate to shift the tea leaves and enables the tea leaves to fall down from a high position, and the dispersing assembly is used for dispersing the falling tea leaves. Tea leaves are in full contact with water vapor and are prevented from being accumulated, so that accurate and reliable temperature control on the tea leaves is realized, and the tea leaf fermentation quality is effectively improved.

The present application relates to an optimization method suitable for Agrobacterium transient infection conditions of Phalaenopsis, the explant of Phalaenopsis after Agrobacterium infection treatment is placed in the first co-culture condition for culture; the cut around, tissue edge and surface state of the explant are observed; when the cut around appears browning, and at least one of the accompanying tissue edge water spot or surface loss of luster, the host defense threshold is determined; after reaching the host defense threshold, the residual Agrobacterium liquid on the surface of the explant is removed, and the explant is transferred to the second co-culture condition for continuous culture. Realize the precise regulation of co-culture, improve the accuracy of threshold identification, and optimize the matching degree of Agrobacterium infection. Adopt hierarchical film removal, asymmetric co-culture and partition suction and other operations, inhibit the excessive proliferation of Agrobacterium, accurately remove the residual bacterial liquid, while ensuring the activity of the explant, significantly improve the infection efficiency, expression stability and method repeatability.

This application discloses a static electricity neutralization method and apparatus based on PECVD, belonging to the field of semiconductor thin film deposition technology. It includes: applying a first radio frequency (RF) to a reaction chamber to ionize a continuously introduced reactive gas into the chamber, forming plasma which is then deposited onto the wafer surface; after stopping the introduction of the reactive gas and the application of the first RF, applying a second RF in the chamber, wherein the power of the second RF is lower than that of the first RF, and the voltage polarity of the second RF is opposite to that of the first RF; moving a heater base on which the wafer is placed downwards to increase the gap between the wafer and the heater base, thereby facilitating the neutralization of static electricity between the wafer and the heater base by the second RF; and after stopping the application of the second RF, introducing a purge gas into the chamber to clean the wafer surface. This application neutralizes static electricity through low-power plasma discharge, avoiding the problems of wafer breakage and adhesion caused by electrostatic forces between the wafer and the heater base.

The invention belongs to the technical field of pigment production, and particularly relates to a high-color-intensity organic pigment production process which comprises the specific steps of pigment slurry preparation, composite slurry preparation, pigmentation treatment, filter pressing, washing and high-color-intensity organic pigment preparation. According to the production process, the organic pigment filter cake is beaten and then combined with bismuth oxychloride, the polarity of the organic pigment can be effectively changed, the dispersity is improved, a natural barrier is formed for the organic pigment, the coloring power of the organic pigment is improved, meanwhile, the hydrolysis reagent triethanolamine is added to act together with bismuth oxychloride, and the organic pigment with the small and stable particle size is prepared. The organic pigment is easy to dye functional chemical fibers, two solvents of DMF and NMP are used in a mixed mode in the pigmentation stage, organic pigment particles can be better dispersed, and the pigmentation treatment efficiency is improved. The production process of the high-color-intensity organic pigment is short in time, high in efficiency, green, environmentally friendly and suitable for various organic pigments.

The invention belongs to the technical field of color paste, and particularly discloses color paste for a calcium silicate board and a preparation method of the color paste, and the color paste comprises the following components: pigment, ethylene glycol, a dispersing agent, a defoaming agent, a thickening agent, a pH regulator and deionized water. According to the invention, 1, 2-epoxy-4-vinyl cyclohexane, tri (dimethylsiloxy) silane, 3-(methacryloxy) propyltrimethoxysilane and hydrogen-containing silicone oil are synthesized to obtain a modified liquid with excellent activity and rich functional groups, carbon black is pretreated, and octene is adsorbed on the surface of the carbon black while the carbon black is subjected to preliminary activity, so that the modified liquid is obtained; according to the present invention, the carbon black is modified with the modification liquid, such that the stability and the dispersibility of the carbon black are effectively improved, the re-aggregation of the carbon black particles during the storage and use process is prevented, the treated carbon black has the good adaptability with the calcium silicate plate, and the adhesion of the coating on the calcium silicate plate can be improved.

The invention discloses a power station boiler hydroxyapatite scaling substance chemical cleaning method, and belongs to the technical field of power station thermal equipment chemical cleaning, and the method comprises the following steps: preparing a cleaning medium containing an organic chelating agent, a penetrant, a corrosion inhibitor and demineralized water, adjusting the pH value, heating, adding a cleaning auxiliary agent, injecting into a boiler system, carrying out circulation or immersion cleaning, and flushing. And finally, the boiler system is restored to the normal working state, and cleaning is completed. The chemical cleaning method comprises the following steps: selecting a cleaning medium aiming at hydroxyapatite scaling substances, controlling the medium concentration, the pH value and the cleaning temperature, and adding a cleaning assistant in the cleaning process. The cleaning method is simple, reliable and easy to implement, and the problem that hydroxyapatite scaling substances of the power station boiler are difficult to effectively remove in a traditional chemical cleaning method is solved.

The invention discloses a preparation method of a red organic pigment for a liquid crystal color filter material, which comprises the following steps: adding a hyperbranched polymer nano dispersant into ethyl acetate, and adding a pigment red 122 crude product and calcium chloride to obtain mixed slurry; adding the mixed slurry into a ball mill for grinding to obtain ground slurry; transferring the ground slurry into a dodecylamine polyoxyethylene ether aqueous solution, stirring, preserving heat, and filtering to obtain surface modified slurry; adding the surface modified slurry into a DMF (Dimethyl Formamide) solution containing a hyperbranched polymer nano dispersant, carrying out ultrasonic treatment, and filtering to obtain final slurry; and drying to obtain the product. By improving the processing technology of the pigment, pigment particles are refined to nanoscale, and the dispersion stability and fluidity of the pigment are improved. The prepared red organic pigment is uniform in particle size distribution, has high color purity and good optical performance, and is suitable for a color filter of a liquid crystal display.

The application discloses a kind of float line group integrated storage box, belong to fishing tackle storage box technical field, including box body, the upper end of box body is rotatably connected with box cover, the inside left end of box body is provided with multiple left line group clamping plates, and the inside left end of box body is rotatably connected with the inner bottom surface of box body by left connecting assembly;The inside right end of box body is provided with multiple right line group clamping plates, and the inside right end of box body is rotatably connected with the inner bottom surface of box body by right connecting assembly;Box body is provided with sponge layer and float fixing assembly in the inside.The application is set by left line group clamping plate and right line group clamping plate, and it is convenient to place and fix line group, and sponge layer is used to absorb moisture on float line group, protect float line group dry, and the soft texture of sponge can effectively buffer external impact, protect float from abrasion, ensure that float remains intact during use, avoid the recombination of float and line group during use, greatly save time, take out and use, avoid misuse due to confusion.

The invention discloses a second-hand mobile phone data clearing method and system, and relates to the technical field of data processing, and the method comprises the following steps: collecting space mapping information, cache writing rhythm information and index rewriting record information of a file system before and after remounting, and constructing continuous time sequence data; and calculating a difference between the idle mark distribution and the actual write-in distribution based on the time sequence data, extracting an overlapping position according to a difference result, and generating a fragment triggering list. According to the method, time sequence data is constructed by collecting multi-source information before and after the file system is mounted, time sequence correlation analysis of writing behaviors of a logic layer and a physical layer is achieved, old data residues are accurately recognized, and a high-risk area is delimited; the old data splicing path is interrupted from the time dimension by constructing an intervening time distance distribution diagram and implementing reverse write-in adjustment, and thorough unrecoverable clearing of the second-hand mobile phone data is achieved.