74results about How to "Effective migration" patented technology

Techniques for extending the capabilities of computing environments and/or systems are disclosed. A scalable and dynamic external computing resource can be used in order to effectively extend the internal computing capabilities of a computing environment or system. The scalable and dynamic external computing resource can provide computing resources that far exceed the internal computing resources, and provide the services as needed, and in a dynamic manner at execution time. As a result, a computing device may function with relatively limited and/or reduced computing resources (e.g., processing power, memory) but have the ability to effectively provide as much computing services as may be needed, and provide the services when needed, on demand, and dynamically during the execution time.

The invention discloses a gas-permeable moisture-absorption type environmentally-friendly polyvinyl chloride synthetic leather and a manufacturing method thereof. The synthetic leather is prepared from an environmentally-friendly polyvinyl chloride formula by adopting release paper knife-coating. The gas-permeable moisture-absorption functional environmentally-friendly polyvinyl chloride synthetic leather is manufactured by adding gas-permeable moisture-absorption type protein powder to a non-phthalate environmentally-friendly plasticizer and an environmentally-friendly color paste, and simultaneously adopting aqueous polyurethane adhesive slurry to replace a traditional paste resin adhesion layer. The synthetic leather has high peeling strength and has gas permeability and moisture absorption property of true leather; the minus 20DEG C low-temperature flex resistance of the synthetic leather is up to 30000 times; and through third-party testing, the product can completely achieve European union REAC 46 environmentally-friendly tests.

The invention discloses a training method and device for a financial risk identification model, computer equipment and a medium, and the method comprises the steps: obtaining first user data, with a first credit risk label, of a target domain financial project, inputting the first user data into a meta-learning device for training, and obtaining a classifier corresponding to the target domain financial project for risk identification. According to the method, the classifier corresponding to the target domain financial project is trained in a meta-learning mode, priori knowledge in a source domain task can be effectively migrated, so that the data volume of labeled samples required by model training is small, the generalization performance of the recognition model is improved, and the training process of the model is faster and more efficient. Besides, in the training process of the meta-learner, the source domain correlation among the categories of the task sets is learned, so that prior knowledge can be effectively migrated from tasks closer to the current target domain task during migration learning, and the accuracy of model recognition can be improved. The method can be widelyapplied to the technical field of machine learning.

The invention provides a language task model training method and device, electronic equipment and a storage medium. The method comprises the steps of performing hierarchical pre-training in a languagemodel based on corpus samples of corresponding language tasks in a pre-training sample set; carrying out forward propagation on corpus samples corresponding to language tasks in a training sample setin the language task model; fixing parameters of the language model, and performing back propagation in the language task model to update the parameters of the task model; and performing forward propagation and reverse propagation on corpus samples corresponding to the language tasks in the training sample set in the language task model so as to update parameters of the language model and the task model. By means of the method and device, the catastrophic forgetting phenomenon of the language model can be prevented, and meanwhile it is guaranteed that the language model and the task model canachieve the training effect meeting the corresponding learning rate.

The invention discloses a fluoride-free waterproof agent with a stereo silane structure and a preparation method of the fluoride-free waterproof agent. In a formula I of a polymer, R1 refers to a long-chain acrylate structural chain segment, R2 refers to a polyhedral oligomeric silsesquioxane structural chain segment, R3 refers to a functional monomer structural chain segment, X refers to a natural number in a range of 1-150, and Y and Z refer to natural numbers in a range of 1-100. The fluoride-free waterproof agent is aqueous emulsion of the polymer shown as the formula I. By adoption of a polyhedral oligomeric silsesquioxane monomer with a vinyl structure for preparation of the fluoride-free waterproof agent through microemulsion polymerization, introduction of polyhedral oligomeric silsesquioxane with a stereo structure to a lateral group of a polymer long chain is realized, a low-surface-energy siloxane cubic structure can migrate to the fabric fiber surface more effectively in an emulsion film forming spread process to form continuous projections on the fabric fiber surfaces, and consequently waterproof effects are greatly improved. The fluoride-free waterproof agent is an environment-friendly waterproof agent, free of biotoxicity and nondegradability and harmless to organisms and environment.

The invention relates to a neural network model compression method, a corpus translation method and devices thereof. The neural network model compression method comprises the steps of acquiring a training sample set comprising a plurality of training sample pairs, wherein each training sample pair comprises source data and target data corresponding to the source data; training an original teachermodel by taking the source data as input and taking the target data as verification; training an intermediate teacher model based on the training sample set and the original teacher model, and forminga teacher model set by one or more intermediate teacher models; training a plurality of candidate student models based on the training sample set, the original teacher model and the teacher model set, and forming a student model set by the plurality of candidate student models; and according to the training results of the plurality of candidate student models, selecting one candidate student model as a target student model. By introducing a plurality of teacher models, multistage guidance of student model training is realized, so that the quality of the student model is improved.

The invention discloses a perovskite material/organic polymer compound photocatalyst, preparation and application, and belongs to the field of perovskite material/organic polymer compound photocatalyst. Rolled-piece-shaped carbon nitride is successfully dispersed on the surface of cobalt titanate, through compounding of electrons on a cobalt titanate conduction band and holes in a carbon nitride valence band, holes in a cobalt titanate valence band and electrons on a carbon nitride conduction band are separated, and therefore the photocatalytic performance is greatly improved. The material is applied to the field of water photolysis hydrogen production, and the hydrogen production rate is substantially increased compared with pure carbon nitride.

The invention provides a method for manufacturing shallow trench isolation. After being etched to form a shallow trench, a substrate is subject to an annealing process under a certain condition of hydrogen atmosphere, so that element atoms of the substrate are promoted to make thermal motion migration under a high temperature, side walls of the rough shallow trench and square corners of the shallow trench become smooth, the leakage current of a semiconductor device employing the shallow trench isolation is reduced, and the performances of the semiconductor device and an integrated circuit are improved.

The invention relates to a DCs vaccine based on phospholipid hybrid polymersome jointly encapsulating an antigen and dual immunoagonists, a preparation method and application thereof. The phospholipidhybrid polymersome which can jointly load a model antigen OVA and two types of TLR agonists (TLR7/8 and TLR4) is used for stimulation in vitro of the DCs so as to realize the effective phagocytosis of DCs cells. The rapid and long-term immunostimulatory effect on the DCs is achieved by the internal and external co-loading of the OVA antigen. The synergistic effect of the two types of TLR agonistssignificantly enhances the immune response after antigen stimulation; the phospholipid hybrid polymersome which jointly encapsulates the antigen and the dual immunoagonists can effectively promote the activation and maturation of the DCs, increases the level of cross-presentation, promotes the migration of the DC vaccine to secondary lymphoid organs, and produces a strong specific cytotoxic T lymphocytes (CTLs) killing effect, thereby effectively killing tumor cells and realizing the immunotherapy of the DCs vaccine on tumors.

The invention belongs to the technical field of fault diagnosis, and particularly relates to a fault monitoring device and diagnosis method based on multi-source signal fusion, and the device comprises a vibration signal collection unit A, a current signal collection unit B, and a signal processing unit C; the signal acquisition units A and B use sensors to acquire vibration and current data of the seawater cooling pump; the signal processing unit C carries out fast Fourier transform (FFT) processing on the signals to obtain frequency domain information, and the fault monitoring device can monitor the time-frequency domain states of vibration signals and current signals of the sea water pump in real time and is used as data preparation for fault diagnosis. According to the seawater pump fault diagnosis method based on multi-source information fusion, the migration kernel locality preserving projection algorithm is used as a model, multi-source signal information obtained by a fault monitoring device is used as input, Acc and F1-score are used as evaluation indexes, and a trained classifier is used for classifying and identifying unknown fault data, so that fault information can bequickly obtained, the generalization ability is enhanced, and the diagnosis accuracy is improved.

The present invention discloses a method and an apparatus for preparing high-purity gallium. According to the method, liquid-state high-purity gallium is placed on the bottom portion of a container and is cooled as a seed crystal, the liquid-state metal gallium is poured into the cooling container to cool and crystallize, a thermal source coil is opened after complete crystallization, the temperature and the movement speed of the thermal source coil are controlled, the thermal source coil moves from bottom to top, the stable solid-liquid interface during the solidification process is ensured, the solidification interception ratio is 70-90%, and the metal gallium can be purified to achieve more than or equal to 6N. The apparatus comprises the cooling container, a constant temperature cold source, the thermal source coil and a control device, wherein the bottom portion of the cooling container is provided with the constant temperature cold source, the upper portion of the cooling container is provided with a dust preventing cover, the thermal source coil sleeves on the outer side of the cooling container, and the thermal source coil is connected with the control device through a conducting wire so as to make the temperature and the movement speed of the thermal source coil be controlled by the control device. According to the present invention, characteristics of simple apparatus mechanism, easy method operation, convenient specification quantifying, good product stability and the like are provided.

The invention relates to a shared vehicle excitation area setting method and device, computer equipment and a storage medium. The method comprises the steps of obtaining historical data of a first grid in each time period; wherein the first grid is obtained by dividing an operation area of the shared vehicle, and the historical data comprises historical portrait data and historical order data; through a vehicle supply and demand prediction model corresponding to the first grid, determining the vehicle demand of the first grid in each time period of the next period according to the historical portrait data of the first grid; determining a comprehensive score of the first grid in each time period of the next period according to the vehicle demand and the historical order data of the first grid in each time period of the next period; and if the comprehensive score of the first grid in each time period of the next period meets a first preset condition, determining that the first grid is anexcitation region. Effective migration of the shared vehicles can be guaranteed, the utilization rate of the shared vehicles is increased, and the technical problem that in the prior art, the vehicleutilization rate is insufficient is solved.

The invention discloses an on-line checking method based on Bluetooth positioning and an RFID, and the method enables the Bluetooth indoor positioning and cargo checking to be combined for use. A conventional warehouse application environment is diversified, and the input/output of cargos is relatively large. Cargos usually need to be checked, and a background usually needs to carry out checking for correcting data of cargos. The checking process needs a large amount of manpower in the prior art, and the internal position where the cargos are located is unclear. Through the cooperation of Bluetooth positioning and an ultrahigh frequency RFID, the method can iron out various defects in a full-automatic manner that the workload is large and the data correction is tedious in current cargo checking, and can effectively improve the working efficiency of a checker.

The invention relates to a lithium ion battery and a preparation method thereof. The lithium ion battery negative electrode active material is an MOF-coated tin disulfide-loaded Mxene composite material, wherein MOF is a metal carbon framework, and Mxene is a material with a two-dimensional layered structure; the MOF and tin disulfide loaded Mxene are compounded to form a double-carbon framework material, and a more stable lithium ion de-intercalation carrier is formed; the MOF is used as a shell frame to provide a lithium ion transmission channel and provide a skeleton supporting effect, tindisulfide is prevented from volume collapse and pulverization in the charging and discharging process, the layered structure has more excellent stability, tin disulfide loading is facilitated, the Li+de-intercalation number is increased, and the specific capacity of tin disulfide can be greatly improved.

The invention discloses a synthesis method of a graphene/ZnS-MoS2 nano solid solution photocatalyst having visible light catalytic activity. The method includes steps of: preparing graphene oxide (GO)through an improved Hummers method, then dispersing the GO in organic solvent and performing ultrasonic treatment to form a homogenous solution; with inorganic zinc salt, inorganic molybdenum salt and sulfur source as raw materials, successively dissolving the raw materials in an organic solution, and adding the graphene solution prepared before; performing a reaction at 180-220 DEG C so that thenano solid solution ZnS-MoS2 is uniformly adhered to the graphene thin film to form the rGO ZnS-MoS2 nano solid solution photocatalyst combined with chemical bonds. The photocatalyst, when the content of graphene is 5-14%, has excellent visible light catalytic performance. The photocatalyst has large specific surface area, narrow and continuously-adjustable energy gap, can effectively promote separation and migration of photo-induced electron-hole, and has excellent photo-absorption and photo-catalytic activity under visible light.

The invention relates to a preparation method of a high-capacity high-safety solid-state lithium battery. The high-capacity high-safety solid-state lithium battery is prepared by taking a liquid metalcomplex prepared from liquid metal nanoparticles, carbon nanotubes and graphene as a negative active substance and taking solid electrolyte as an electrolyte. The negative active substance of the solid-state lithium battery adopts liquid metals, the carbon nanotubes and the graphene, wherein liquid metals tin and gallium have high energy density, can provide high capacity for the solid-state lithium battery, and thereby are ideal materials for a lithium battery with high energy density; the carbon nanotubes and the graphene are added to construct a three-dimensional frame which enables the lithium battery to have higher ionic conductivity; in addition, the three-dimensional frame has a complex structure and good mechanical properties, so that lithium dendrites formed on the surface of anode metal lithium can be inhibited, and the safety performance of the battery is improved; the cycle life of the battery is prolonged and the and the stability of the battery is improved; by adopting the solid electrolyte, the interface resistance can be greatly reduced to a great extent.

The invention discloses a nano titanium nitride-based composite photocatalytic material as well as a preparation method and application thereof, belonging to the technical fields of inorganic non-metallic nano material preparation, environmental protection technologies and solar energy utilization. According to the nano titanium nitride-based composite photocatalytic material, controllable surface oxidation is carried out on nanoscale titanium nitride particles, so that a composite photocatalytic material which takes nano titanium nitride as a core and titanium dioxide as a shell is formed. The nano titanium nitride-based composite photocatalytic material has adjustable optical adsorption property, thus being directly used for solving the problems of decomposition of organic matters under visible light, inactivation of microbial pathogens and efficient utilization of solar energy, and especially solving the problem of low photocatalytic efficiency of single-component photocatalytic materials.

The invention relates to a solid additive for an organic polymer solar cell, which is characterized in that the solid additive is an aromatic substance containing a carbonyl, a carboxyl, an aldehyde group or an ester group, and the molecular weight of the solid additive is 100-500g/mol. The invention further relates to an organic polymer solar cell device. The organic polymer solar cell device ischaracterized by sequentially comprising a transparent electrode, an electron transport/hole barrier layer, an active layer, an electron barrier/hole transport layer and a metal electrode, wherein theactive layer comprises a wide band gap conjugated polymer electron donor, a non-fullerene small molecule electron acceptor and the solid additive. The solid additive disclosed by the invention can prolong the service life of receptor excitons, so that the excitons can be effectively migrated to an electron donor-receptor interface, the exciton separation efficiency is improved, and the short-circuit current density, the filling factor and the photoelectric conversion efficiency of a solar cell device are further improved.

The invention discloses a manganese phosphate lithium/lithium vanadium fluorophosphate/carbon composite anode material and a preparation method thereof, and aims to improve the ion eclectic conductivity and the circulation stability of manganese phosphate lithium and thus overcome defects that a manganese phosphate lithium anode material is poor in rate capability and poor in circulation stability. The composite material disclosed by the invention has a nominal molecular formula of (1-x)LiMnPO4*xLiVPO4F/C, and in the formula, x is greater than 0 and less than or equal to 0.3. The synthetic composite material has primary particles of 60-100nm in size, and the surfaces of the particles are coated by a layer of a uniform carbon source. The preparation method disclosed by the invention is simple in process and easy to control, and due to synergetic functions of the components, the prepared (1-x)LiMnPO4*xLiVPO4F/C composite anode material has the characteristics of being high in energy density, stable in circulation and good in rate capability.