14results about How to "Realize accumulation" patented technology

The invention provides a petrochemical production process anomaly diagnosis and optimization method and system integrated with a knowledge graph, and relates to the technical field of petrochemical production, and the method comprises the steps: collecting technological parameters and equipment state data, carrying out the preprocessing and feature extraction through adaptive wavelet threshold denoising and depth variational mode decomposition, and carrying out the feature extraction; a heterogeneous graph neural network is constructed, a causal relationship graph is constructed in combination with a neural causal discovery network, the causal relationship graph is optimized through knowledge distillation, missing relationships are complemented to obtain a knowledge graph, real-time features are compared with normal feature distribution of a pre-trained contrast diffusion model, and after anomaly detection is triggered, the real-time features are extracted. A causal inference engine is combined with a knowledge graph to analyze an anomaly propagation path, an anomaly root and a prediction trend are determined based on multi-agent reinforcement learning, a multi-objective optimization problem is constructed according to the knowledge graph, an optimization strategy is generated and dynamically adjusted, and an optimization result is evaluated by combining a knowledge distillation hybrid model. And finally, progressive optimization is realized and the knowledge graph is updated.

The invention discloses a curcumin-loaded brain-targeted drug delivery system as well as a preparation method and application thereof. The delivery system comprises a carrier macrophage and a curcumin drug, the curcumin nano-drug is prepared by encapsulating curcumin with a lipoic acid modified cyclodextrin conjugate, then macrophages and the curcumin nano-drug are mixed, and co-incubation is carried out, so that the curcumin nano-drug is constructed. The brain-targeted macrophage drug delivery system loaded with curcumin is a multifunctional composite drug with brain targeting property for treatment of cerebral arterial thrombosis. A brain-targeted macrophage drug delivery system loaded with the curcumin nano-drug gathers in cerebral apoplexy tissues, phenotypic transformation of inflammatory microglial cells is promoted, and a pro-inflammatory microenvironment is improved; the oxidative stress pressure of the stroke part is improved; the two effects promote each other, the stroke microenvironment is improved, the functions of neuronal cells are saved, the synergistic nerve protection effect can be achieved in the aspect of treating ischemic cerebral apoplexy, and potential safety hazards are reduced.

The present invention provides a method for purifying piggery wastewater by attaching and culturing Scenedesmus sp., and relates to the technical field of water quality treatment. The method of the present invention comprises the following steps: inoculating Scenedesmus sp. into piggery wastewater and culturing for 8 to 12 days; the Scenedesmus sp. is Scenedesmus sp. LX1; and Scenedesmus attachment material is added to the piggery wastewater. According to the method of the present invention, COD, TN, TP, NH4 in the piggery wastewater can be significantly removed. + ‑N, to purify pig farm wastewater.

The utility model discloses a seedbed hanging basket, which relates to the technical field of seedling raising and comprises a bottom plate, a first end plate, a second end plate and a plurality of limiting pieces. The first end plate is fixedly arranged at one end of the bottom plate, and the second end plate is fixedly arranged at the other end of the bottom plate; the first end plate and the second end plate are connected with a three-dimensional seedbed chain; a plurality of limiting pieces are fixedly arranged on the two sides of the bottom plate respectively, and the limiting pieces on the single side are sequentially arranged at intervals in the length direction of the bottom plate. The bottom plate is used for containing a plurality of seedling trays, and the seedling trays located on the bottom plate can be limited by the limiting pieces on the two sides. And automatic carrying operation of the seedling tray is facilitated.

The invention discloses a weak target energy accumulation strategy and method for a multi-base heterogeneous platform. The method comprises the following steps: firstly, for three heterogeneous platforms of air-based, land-based and sea-based, screening out a long-time coherent accumulation algorithm suitable for the three heterogeneous receiving platforms on the basis of algorithm operation complexity consideration performance so as to realize target energy accumulation in nodes; besides, in consideration of the problem that multi-base indirect received waves have obvious difference in target distance and Doppler parameters, alignment and fusion of target echo energy among multiple nodes are completed by establishing a non-coherent accumulation mathematical mapping relation of receiving platforms, effective improvement of target energy is realized, and the detection capability of maneuvering weak targets is enhanced. The invention particularly provides a relatively clear long-time accumulation method selection strategy and a signal accumulation method of different transform domain accumulation results aiming at the problem of signal level accumulation of the existing distributed heterogeneous platform. Therefore, the method has high practical value and wide application prospect.

The invention relates to the technical field of biology, in particular to construction and application of a recombinant strain for synthesizing veratrazine and steroid precursors of the veratrazine, and the steroid precursors comprise squalene, ergosterol, lanosterol, 22R-hydroxy cholesterol, 22R, 26-dihydroxy cholesterol and 22-hydroxy-26-amino-cholesterol. The recombinant strain provided by the invention can efficiently express steroid precursors, for example, the content of lanosterol reaches 172mg / L and is increased by about 170 times compared with that of an original strain, the yield of 22R-hydroxycholesterol reaches 3482.83 mu g / L, the yield of 22R, 26-dihydroxycholesterol reaches 1003.05 mu g / L, veratrazine can be efficiently synthesized, and the yield of veratrazine reaches 265.38 mu g / L.

The application discloses a kind of establishment methods of fuel cell fault embedding model, including fault function embedding, electrochemical model calculation, membrane state water content solution, liquid water content solution gas component concentration solution and temperature equation solution sub-item calculation.The model is embedded by fault function, realizes the accurate simulation under the working condition of pressure fault, humidity fault and flow fault.Under the condition of meeting the operation requirement of fuel cell, the complex heat and mass transfer process inside fuel cell under different fault working conditions and the dynamic response of multiple transient conditions can be understood.The complex physical field change inside fuel cell under fault working condition is solved by the mutual coupling of electrochemistry, fluid and heat.The problem of unbalanced fault data type and poor data quality in current fault diagnosis research is solved, the accumulation of various fault data is realized, the model support is provided for fuel cell fault diagnosis algorithm development, and the product development cycle and bench test cost are greatly shortened.

The present application relates to the recombinant microorganism for producing 3-amino propanol by fermentation method and its construction method and application. Specifically, the present application provides a construction method of the recombinant microorganism for producing 3-amino propanol, which is introducing the coding gene of omega-transaminase into the microorganism producing 3-hydroxy propionaldehyde, wherein the omega-transaminase can catalyze the conversion of 3-hydroxy propionaldehyde into 3-amino propanol in the presence of amino donor. The present application introduces the omega-transaminase capable of catalyzing the synthesis of 3-amino propanol with 3-hydroxy propionaldehyde as the substrate into the microorganism producing 3-hydroxy propionaldehyde based on gene editing, molecular cloning and other technologies, which first creates a brand new full-path biosynthesis process route of 3-amino propanol.

The utility model discloses a steam turbine steam supplementing and heat regenerating system which comprises a multi-stage high-pressure heater and a multi-stage low-pressure heater which are connected between a boiler and a steam turbine, a deaerator is connected between the multi-stage high-pressure heater and the multi-stage low-pressure heater, and the boiler is connected with a high-pressure cylinder of the steam turbine through a main steam pipeline. The multi-stage high-pressure heater comprises a No.0 high-pressure heater additionally arranged between the No.1 high-pressure heater and the boiler, a steam extraction opening of the No.0 high-pressure heater is arranged on a steam supplementing pipeline, the steam supplementing pipeline is connected between the main steam pipeline and the high-pressure cylinder, a gulp valve is installed on the steam supplementing pipeline, and a steam extraction opening of the No.0 high-pressure heater is located between the gulp valve and the high-pressure cylinder. The requirement for improving the final feed water temperature by partial load is met, and the economical efficiency of the partial load of the unit is improved.

The invention discloses an intelligent optimization method for an annealing temperature curve of a high-silica glass fiber, and relates to the technical field of high-silica glass fiber processing, which thoroughly gets rid of the dependence on artificial experience, can calculate a theoretical optimal annealing curve under a specific working condition by constructing a data-driven prediction model and utilizing an intelligent algorithm for optimization, and improves the processing accuracy of the high-silica glass fiber. Accurate temperature control is achieved, changes of working conditions such as the wire drawing speed and the fiber diameter can be sensed in real time, an annealing temperature curve is dynamically adjusted when the working conditions fluctuate, the uniformity and stability of product quality under different working conditions are ensured, and meanwhile through collaborative optimization of multiple targets such as residual stress and mechanical properties, the product quality is improved. According to the method, the residual stress of the high-silica glass fiber can be remarkably reduced, the strength and flexibility of the fiber can be improved, so that the yield is improved, the energy consumption is reduced, the method has a model self-adaptive updating capability, and through a production-detection-feedback-learning closed loop, the system can adapt to long-term working condition changes, and accumulation and iterative optimization of process knowledge are realized.

The invention discloses an equipment password automatic updating system based on protocol playback and artificial intelligence, which relates to the technical field of network security and equipment management and comprises a protocol agent recording module, an AI strategy generation module, a strategy and version management module and an automatic execution engine module. According to the method, full-process automation from strategy generation to verification execution is achieved through proxy connection between the user and the target equipment, the method is used for combining captured interaction time sequence logs with predefined strategy templates and extracting semantic prompt information of contexts, executable strategies comprise state matching rules and instruction sequences, and therefore the interaction time sequence logs can be automatically generated. Accumulation and reuse of strategy assets are realized, real cross-protocol and cross-manufacturer intelligent adaptation is realized, a corresponding strategy is automatically loaded from a strategy knowledge base according to a device connection parameter, an authentication credential and a password update period preset by a user, result verification and audit log recording are carried out after execution is finished, and the security and compliance of an update system are enhanced.

The present invention discloses a storage device, a digital subsystem, a terrestrial broadcast receiver and a boot firmware method. The storage device includes a first structural layer, a second structural layer and a third structural layer stacked in sequence along the thickness direction of the storage device. The first structural layer includes a first electrode connection; the second structural layer includes a shared connector connected to the first electrode, a phase change material arranged around the shared connector, and at least two connection components connected to the phase change material at intervals; the third structural layer includes an electrode connection component connected to at least two connection components. The present invention optimizes the storage device structure to improve density and performance, thereby achieving the advantages of single-chip integration, fast read and write speed, and high reliability. At the same time, the digital subsystem and terrestrial broadcast receiver using the storage device can succinctly optimize the firmware code and improve execution efficiency.

The invention belongs to the field of metabolic engineering, and particularly relates to recombinant corynebacterium glutamicum for producing chondroitin sulfate as well as a construction method and application of the recombinant corynebacterium glutamicum. The recombinant corynebacterium glutamicum takes corynebacterium glutamicum C.glutamicum S9114 as an original strain, a gene cysH for coding adenosine monophosphate-sulfate reductase is knocked out, and the recombinant corynebacterium glutamicum is obtained. And a chondroitin synthetase coding gene kfoC, a UDP-glucosamine isomerase coding gene kfoA and a sulfotransferase coding gene C4ST are introduced into the culture medium. Compared with the prior art, the recombinant corynebacterium glutamicum provided by the invention can realize extracellular accumulation of chondroitin sulfate, and the maximum concentration of chondroitin sulfate is 408.3 mg / L. And a foundation is laid for producing chondroitin sulfate by further transforming corynebacterium glutamicum through metabolic engineering.

This invention discloses a multi-stage simulation training method, system, device, and medium for a large language model. The method includes: extracting multi-dimensional difficulty features from training samples, dividing them into difficulty levels to construct a sample difficulty label system; setting multiple progressively advancing training stages, configuring a matching preset sample difficulty distribution for each stage, and sampling to construct training datasets for each stage; monitoring the model's accuracy on validation sets at each difficulty level in real time during training; dynamically adjusting sampling weights based on accuracy: reducing the weight of levels whose accuracy consistently exceeds a first threshold and assigning them to higher levels, increasing the weight of levels whose accuracy consistently falls below a second threshold, and then normalizing; after each stage, extracting low-difficulty samples to add to the next stage's dataset, and performing parameter freezing and fine-tuning; and adjusting the difficulty feature weights, stage division thresholds, and control judgment thresholds using training process data. This invention achieves adaptive control of training difficulty and multi-stage progressive learning.