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11results about How to "Easy to migrate" patented technology

Plasticizer and preparation method thereof, composition for polyether waterproof coating, polyether waterproof coating and preparation method thereof

PendingCN121991335ASolve easy precipitationeasy to migratePolyether coatingsAlkanePolymer science
The invention relates to the field of building waterproofing, and discloses a plasticizer and a preparation method thereof, a composition for a polyether waterproof coating, the polyether waterproof coating and a preparation method of the polyether waterproof coating. The method for preparing the modified polyether plasticizer comprises the following steps: (1) in a protective atmosphere, in the presence of a base catalyst, stirring and mixing alpha, omega-dihydroxy polydimethylsiloxane and alkylene oxide to obtain an intermediate I; and (2) contacting and mixing a neutralizer with the intermediate I to obtain the modified polyether plasticizer, relative to 100 parts by weight of the alpha, omega-dihydroxy polydimethylsiloxane, the use amount of the base catalyst is 0.1 to 1 part by weight, the use amount of the alkylene oxide is 400 to 900 parts by weight, and the use amount of the neutralizer is 0.12 to 1.2 parts by weight. The silane modified polyether waterproof coating prepared from the modified polyether plasticizer provided by the invention has obviously better weather resistance.
Owner:KESHUN WATERPROOF TECH CO LTD

Freeze-thaw resistant sludge curing agent as well as preparation method and application thereof

The invention belongs to the technical field of soil curing agents, and particularly relates to an anti-freeze-thaw sludge curing agent and a preparation method and application thereof. The sludge curing agent comprises the following raw materials in parts by mass: 40-60 parts of cement, 10-20 parts of an admixture, 10-20 parts of quicklime, 5-10 parts of gypsum, 5-8 parts of carboxylated porous resin, 0.5-0.8 part of a nonionic surfactant and 5-8 parts of activated carbon, and the carboxylated porous resin is of a three-dimensional network structure formed by condensation reaction of phenolated alkali lignin and dialdehyde. Meanwhile, porous resin microspheres are formed by utilizing a pore-foaming agent, and then the porous resin microspheres, chloroacetic acid and alkali are subjected to a reaction to prepare carboxylated porous resin microspheres. According to the non-ionic surface active agent disclosed by the invention, organic matters which are easy to migrate and free in the sludge are emulsified into micro-micelles, and the micro-micelles are adsorbed by the activated carbon, so that the micro-micelles are prevented from wrapping gel particles, hydration is hindered, a communicated pore network is prevented from being formed, and the freeze-thaw resistance of a sludge solidified body is improved. The inner surfaces of pores of carboxylated porous resin contain a large amount of phenolic hydroxyl groups and carboxyl groups, so that the migration activity of heavy metal ions is reduced.
Owner:SHANGLUO UNIV +1

A fault detection method based on iterative deep temporal causal discovery

ActiveCN117290786Beasy to migrateEngineeringTimestamping
This invention discloses a fault detection method based on deep temporal causal discovery, comprising: acquiring observed values ​​of abnormal performance indicators and potential cause indicators and their paired timestamps; structuring the observed values ​​and timestamps to form a uniform time series; constructing an iterative deep temporal causal discovery network, wherein the causal discovery module samples and optimizes the probabilistic causal graph according to a pre-set causal threshold, and the time series fitting module fits the generated model of the time series; using multiple causal thresholds, the iterative deep temporal causal discovery network is trained using the structured time series, with a mask loss function used during training; and attributing the fault causes based on the training results of multiple causal thresholds. The beneficial effects of this invention are that it can utilize neural networks to intelligently learn nonlinear temporal dynamic relationships in complex factory environments, quickly and automatically complete the fault root cause analysis process, and can be easily transferred to unfamiliar environments.
Owner:CHINA IND INTERNET (BEIJING) TECH GRP CO LTD

Tetrazolyl energetic coordination polymer filled ferrocene derivative composite burning rate catalyst

ActiveCN118812306Bhigh yieldlow mobility
This invention discloses a type of tetrazolium-based energetic coordination polymer-filled ferrocene derivative composite combustion rate catalyst. The composite combustion rate catalyst is prepared by filling the nanopores of an energetic coordination polymer synthesized with a tetrazolium compound as a ligand and manganese metal ions with a ferrocene derivative. The preparation method involves dissolving a tetrazolium compound and a manganese salt in a mixed solvent of methanol and acetone, and then adding the ferrocene derivative. The ferrocene derivative fills the nanopores of the energetic coordination polymer during the reaction of manganese metal ions and the ligand, thereby obtaining the composite combustion rate catalyst. The composite combustion rate catalyst of this invention exhibits good catalytic performance, significantly improving the migration problem of ferrocene-based combustion rate catalysts, and its preparation method is simple and easy to scale up.
Owner:SHAANXI NORMAL UNIV

A flame-retardant quartz slab and its preparation method

This invention discloses a flame-retardant quartz slab and its preparation method, relating to the field of quartz slab technology. The flame-retardant quartz slab is prepared from raw materials comprising the following parts by weight: 70-120 parts quartz particles, 5-15 parts unsaturated polyester resin, 10-30 parts organophosphorus flame retardant, 2-5 parts silane coupling agent, 0.5-2 parts curing agent, 0.1-0.5 parts accelerator, 2-8 parts inorganic filler, and 0.5-3 parts color paste. This invention uses a novel organophosphorus flame retardant, which, compared to traditional flame retardants, effectively improves the flame retardancy rating of the quartz slab, avoids the release of toxic and harmful gases during combustion, and does not require large-dose addition, overcoming the shortcomings of low efficiency of inorganic flame retardants and the environmental unfriendliness of bromine-based flame retardants.
Owner:FOSHAN WEIMEISHI BUILDING MATERIALS CO LTD

Robot cell microinjection operation method based on dynamic equilibrium game mechanism reinforcement learning

The application discloses a robot cell microinjection operation method based on dynamic balance game mechanism reinforcement learning. The method comprises the following steps: training an injection operation decision model using a total loss function; the total loss function comprises a loss of a PPO reinforcement learning network, an entropy regularization term and a state prediction loss of a state prediction network; during the robot cell microinjection operation process, injection environment images are collected in real time, input into an instance segmentation network model, and environment mask images are obtained; the injection needle tip real-time coordinates and cell mask images are obtained according to the environment mask images; a feature extraction network receives the cell mask images, a PPO reinforcement learning network receives the feature extraction results and the injection needle tip real-time coordinates, and the expected position of the injection needle tip is obtained as feedback information to control the robot. The application can perform safe and high-precision zebrafish embryo cell microinjection operation in a real scene, and provides technical support for the fields of gene editing and cell breeding.
Owner:ZHEJIANG UNIV

Liquid-state high-refractive-index monomer as well as preparation method and application thereof

The invention provides a liquid-state high-refractive-index monomer as well as a preparation method and application thereof. The liquid-state high-refractive-index monomer has a structure as shown in a formula G1 or a formula G2, the liquid-state high-refractive-index monomer has a high refractive index and is easy to migrate and diffuse in an exposure process, and the photopolymer material prepared from the liquid-state high-refractive-index monomer has the excellent properties of high sensitivity, high diffraction efficiency of a recording grating, high refractive index modulation degree, low exposure and the like.
Owner:ZHUHAI MOJIE TECH CO LTD

LLM-Agent-based equipment main circuit parameter sensitivity analysis method

The invention relates to an LLM-Agent-based equipment main circuit parameter sensitivity analysis method, and belongs to the field of power electronic equipment parameter design and optimization, and the method comprises the steps: obtaining an operation condition, and generating an initial parameter set through a parameter generation LLM; inputting a steady-state analysis tool for solving to obtain a steady-state data set; the sensitivity analysis LLM performs decoupling analysis on the steady-state data set to generate a preliminary sensitivity analysis matrix; performing confidence coefficient diagnosis on the sensitivity analysis matrix and the steady-state data set by the data self-checking LLM; if the diagnosis is passed, outputting; and if the diagnosis is not passed, generating a supplementary measurement suggestion and feeding back the supplementary measurement suggestion to the parameter generation LLM to form closed-loop iteration, thereby realizing automatic and intelligent evaluation of the parameter sensitivity. According to the method, on the basis of three special large language models and an external steady-state calculation tool, automatic and intelligent evaluation of parameter sensitivity is achieved, the design efficiency and precision of a complex multi-parameter system are remarkably improved, and a reliable basis is provided for equipment optimization decision making.
Owner:SHANDONG UNIV

A small target detection method, system, device and medium based on a local attention feature correlation mechanism

ActiveCN117765336Bguaranteed complexityImprove robustnessData setMatch algorithms
A small target detection method, system, device and medium based on a local attention feature correlation mechanism, the method comprising: data preprocessing, model construction, model training, small target detection; the system, device and medium are used to realize a small target detection method based on a local attention feature correlation mechanism; the application extracts spatial features and semantic features through a residual network, performs feature fusion through a feature pyramid mechanism, reconstructs features based on a local attention feature correlation mechanism, trains a model using a Hungarian matching algorithm, obtains an optimal matching model suitable for a data set, can ensure high accuracy with fewer iteration times, and has the characteristics of low network operation complexity, low training cost, easy model migration, and high model detection performance.
Owner:XIDIAN UNIV +1

Flame-retardant modified thermal insulation foam and process for its preparation

PendingCN122255586ADrip suppressionTaking into account flame retardancyLow-density polyethylenePhenyl acetic acid
The application relates to the technical field of thermal insulation materials, and discloses a flame-retardant modified thermal insulation foam material and a preparation process thereof. The flame-retardant modified thermal insulation foam material is prepared from low-density polyethylene as a main material and 3,5-di-tert-butyl-4-hydroxyphenyl acetic acid grafting material and the like as auxiliary materials. Silicon phosphorus boron in the hydroxyl-terminated polydimethylsiloxane grafting material serves as a flame-retardant element, a dense thermal insulation oxygen isolation silicon phosphorus boron composite carbon layer is constructed at high temperature, and the flame-retardant effect is achieved. After 3,5-di-tert-butyl-4-hydroxyphenyl acetic acid is grafted to carboxyl-terminated polybutadiene, the antioxidant unit is fixed on the flexible long chain of the carboxyl-terminated polybutadiene through chemical bonding, the antioxidant activity of the antioxidant unit is retained, and the agglomeration phenomenon is inhibited, so that the flame-retardant modified thermal insulation foam material prepared by the application has the flame-retardant, antioxidant and thermal insulation performances.
Owner:DONGGUAN YURONG SPONGE IND CO LTD

Multistage dispersion treatment type sludge low-carbon drying device

The utility model discloses a multistage dispersed processing formula sludge low carbon drying device belongs to sludge treatment technical field. A multistage dispersed processing formula sludge low carbon drying device, including drying case and return air box, the drying case is mutual through with return air box, the top of return air box is provided with scattering hopper, wherein, the blanking tube of scattering hopper bottom extends to the inside of return air box, and the inside of scattering hopper is provided with split blade. To solve the existing sludge treatment after high pressure dewatering sludge under the influence of pressure can be agglomerated, this can lead to the subsequent drying process moisture not easy completely evaporates, and the sludge conveying of agglomeration is very inconvenient problem, multistage dispersion mechanism ring after ring, layer by layer progression, ensure that the sludge mass of different size, hardness is effectively broken into small granules, loose granule state greatly increased the specific surface area of sludge, makes moisture more easily migrates to the surface and evaporates.
Owner:NANJING WAPRAY ENVIRONMENTAL RES INST CO LTD