15results about How to "Easy to engineer" patented technology

The invention discloses a three-dimensional FDTD metal conformal stabilization simulation method. The method comprises the steps of grid construction and boundary identification, effective electromagnetic parameter calculation, stability condition pre-verification, field quantity iteration updating and boundary condition convergence judgment. According to the method, high-precision and high-stability electromagnetic simulation of a complex medium boundary and a metal boundary is realized by combining an integral form of the effective dielectric constant and the magnetic conductivity, a posterior weighted stabilization strategy and a strict integral updating rule of the metal boundary, meanwhile, the robustness of an algorithm to a time step length is improved, and the practical application scene of the method is expanded.

The present application belongs to the technical field of contaminated site remediation and environmental engineering, and relates to a construction method and application of a green bioremediation system for bisphenol A in a production enterprise site. The present application provides a construction method of a green bioremediation system for bisphenol A in a production enterprise site, and the construction method comprises the following steps: S1, BPA degrading bacteria screening and culture; S2, micro-nano biochar preparation; S3, bacteria-carbon immobilization; S4, bioremediation system construction; the BPA degrading bacteria are Acinetobacter baumannii A1449.The present application can realize efficient remediation of BPA in soil and water.

The invention belongs to the technical field of infrared imaging system testing, and discloses an MRTD intelligent testing method for an infrared imaging system, and the method comprises the steps: collecting the original four-rod target image data of thermal infrared imagers of the same model at different temperatures under the spatial frequency under the condition that the spatial frequency is not changed; cutting the collected original image data, and only obtaining an important area of a four-bar target image; carrying out expansion processing on the image; annotating the images, and dividing the images into a training set, a test set and a verification set; an MRTD intelligent detection model is constructed; training and accuracy testing are carried out on the MRTD intelligent detection model, label value prediction is carried out on the image data of the verification set, and the temperature difference value corresponding to the predicted label value N is the MRTD value of the thermal infrared imager under the spatial frequency. According to the method, the real-time performance of detection is ensured, and the interference of repetitive work and subjective factors in a traditional test method is reduced.

This invention relates to the field of nonlinear optics and optical information processing technology, and discloses a method and apparatus for reconstructing weak light time-domain signals based on perovskite microcavity bistable stochastic resonance. The method utilizes the bistable response generated by an optical microcavity containing perovskite material under low-temperature continuous wave excitation conditions. By adjusting the microcavity's operating temperature and length, the system operates in the critical region of bistable states. Controllable noise is introduced into the input optical field carrying the weak light time-domain signal, and the probability of triggering bistable state transitions in the weak light time-domain signal is increased through the noise-induced stochastic resonance effect, thereby achieving the reconstruction of the weak signal. This invention constructs an optical stochastic resonance platform based on perovskite microcavity bistable states, which has advantages such as low driving power, high sensitivity, adjustable parameters, and easy integration. It can be applied to quantum detection, on-chip optical information processing, and all-optical signal regeneration. Furthermore, this invention can also utilize the polarization bistable characteristics of perovskite microcavities to achieve polarization state recovery.

The application discloses a kind of automobile drive train Clunk impact sound analysis optimization method, comprising the following steps: S1, the NVH test data of vehicle is obtained and actual impact time, obtain the design parameter and actual structure parameter of drive train component;S2, establish drive train simulation analysis model, and calibrate drive train simulation analysis model, obtain simulation impact time according to calibrated drive train simulation analysis model;S3, whether actual impact time and simulation impact time coincide is evaluated;S4, the parameter of drive train simulation analysis model is adjusted, impact sensitivity analysis is carried out to various parameters, and theoretical optimization scheme is formulated;S5, based on theoretical optimization scheme, sample piece is made and NVH verification and effect evaluation are carried out.The application is analyzed and scheme is explored by using simulation combined with test means, reduces the sample piece production of pure test and reduces trial and error cost, greatly shortens the problem solving cycle, and more accurately solves the problem.

This invention discloses a method for preparing a superhydrophobic drag-reducing coating and its application in a manta ray-inspired submersible prototype, belonging to the technical field of underwater drag reduction and surface functional materials. The method includes: dispersing micron-sized SiO2 and nano-sized SiO2 in ethyl acetate to obtain a first dispersion; dispersing PDMS in ethyl acetate to obtain a second dispersion; mixing and stirring the first and second dispersions, then adding a curing agent and long-chain perfluoroalkyl silane PFDTES, followed by spraying and curing to obtain a PFDTES-PDMS@SiO2 coating. This invention achieves a water contact angle >150° and a roll-off angle <9° through the synergistic effect of PFDTES long-chain fluorination modification, PDMS flexible bonding, and the micro / nano dual-scale SiO2 hierarchical structure. In the manta ray-inspired submersible application, a drag reduction rate of 14.43% is achieved at a flow rate of 0.5 m / s, and the performance remains stable after 24 hours of dynamic water flow impact. This invention features a simple process, controllable cost, and is suitable for drag reduction functionalization of complex curved underwater equipment.

The application discloses a tool wear monitoring device with a self-cleaning function and belongs to the technical field of machine tool tool state monitoring. The device comprises a chassis, an X-direction displacement assembly, a Y-direction displacement assembly, a Z-direction displacement assembly, an angle adjusting assembly, a clamping piece, a self-cleaning protection assembly, a cleaning medium supply box and a positioning assembly. The clamping piece is installed on the outer wall of a tool shank through a split half structure, a sensor module is embedded in the clamping piece, and a sensing probe penetrates out to the outer surface of the clamping piece. The self-cleaning protection assembly comprises a protective cover body, a turnover cover plate, a micro drive motor and a wiping piece, and the wiping piece wipes the surface of the sensing probe during the opening and closing of the turnover cover plate. The cleaning medium supply box sprays medium to the machining area through a conveying pipe, thereby reducing the splashing of pollutants in the direction of the sensing probe from the source, and the two components cooperatively form a cleaning chain of "source control-end removal", thereby realizing the long-term stability and accuracy of monitoring data.

This disclosure provides a seawater uranium extraction composite adsorbent material, its preparation method, and its application. The preparation method of the seawater uranium extraction composite adsorbent material includes: coating a pretreated polymer film with a coating liquid to obtain a modified polymer film; and post-treating the modified polymer film to obtain the seawater uranium extraction composite adsorbent material. The coating liquid includes a metallo-oxime-based material, a hydrophilic polymer material, a plasticizer, a crosslinking agent, and a pore-forming agent.

The application belongs to the technical field of biology and relates to an anti-OX40L nanobody and application thereof. The anti-OX40L nanobody comprises a heavy chain variable region, the amino acid sequence of which is shown as SEQ ID NO:1, and the amino acid sequences of the complementarity determining regions CDR1, CDR2 and CDR3 thereof are shown as SEQ ID NO:3, SEQ ID NO:4 and SEQ ID NO:5 respectively. The application obtains the nanobody targeting OX40L from a llama nanobody natural library through phage display technology, does not need animal immunization, and the obtained antibody can specifically recognize Human OX40L recombinant protein, HEK293 hOX40L overexpression cells and CHO-K1 cynoOX40L overexpression cells, and exhibits good species cross-reactivity and binding activity. Based on the blocking potential of the nanobody on the OX40 / OX40L signal pathway, the nanobody shows a broad prospect in treating inflammatory and autoimmune diseases.

This invention relates to the field of batteries, specifically to a lithium battery structure and its application. The lithium battery structure includes: a housing and encapsulated within the housing, a positive electrode strip, a negative electrode strip, a first positive electrode winding / unwinding mechanism, a second positive electrode winding / unwinding mechanism, a first negative electrode winding / unwinding mechanism, a second negative electrode winding / unwinding mechanism, and an ion-conducting medium; the two ends of the positive electrode strip are respectively wound around the first positive electrode winding / unwinding mechanism and the second positive electrode winding / unwinding mechanism; the two ends of the negative electrode strip are respectively wound around the first negative electrode winding / unwinding mechanism and the second negative electrode winding / unwinding mechanism; the ion-conducting medium is disposed in the junction area; the positive and negative electrode strips sandwich the ion-conducting medium. This invention proposes an innovative paradigm at the core structural level of the battery cell, achieving a breakthrough in the inherent safety of lithium-ion batteries without sacrificing energy density, and laying a solid structural foundation for the development of next-generation ultra-high energy density and high-safety battery systems.

The invention discloses a high-precision real-time photovoltaic panel multi-source image end-to-end defect detection method and system, and relates to the technical field of photovoltaic detection and computer vision. The objective of the invention is to solve the problems of poor single-mode adaptability, insufficient multi-source fusion, poor real-time performance and no closed-loop optimization in the prior art. According to the method, infrared and visible light features are extracted through a double-branch network containing a GRB module and an SGB module, after fusion is conducted through an FB module, defect detection is completed through a PANet and a YOLO detection head with an attention module, and an optimized closed loop is formed by combining edge deployment testing and feedback adjustment. The system comprises modules such as a double-branch encoder and the like, and the performance is improved by adopting a lightweight network architecture and a reasoning optimization technology. On an edge computing platform, the time consumption of single-frame reasoning is less than or equal to 35ms, the defect mAP reaches more than 93%, the false alarm rate in a strong light environment is less than or equal to 4%, the method is suitable for automatic inspection of a large-scale photovoltaic power station, and the operation and maintenance cost can be reduced.

This invention discloses a method for preparing hybrid metal halide crystals based on in-situ organic reactions. The method first dissolves bismuth bromide or antimony bromide in a mixed solution of dimethyl sulfoxide and hydrobromic acid. Then, acetone is added to the reaction system, allowing dimethyl sulfoxide and acetone to sequentially generate intermediate and product cations under acidic conditions. These two cations enter the hybrid metal halide crystal lattice as organic components in an independent and mixed manner, thereby achieving a directional structural transformation of three highly correlated types of hybrid metal halides. The transformation rate depends on the system's settling temperature. The compound product prepared by this invention is lead-free, has low toxicity, and yields crystals with high integrity and crystallinity. This method is simple, capable of mass production, and highly suitable for widespread application.

The application belongs to the technical field of molecular biology, and particularly relates to an anti-Trop2 nanobody and application thereof. The application provides an anti-Trop2 nanobody, and an amino acid sequence of the anti-Trop2 nanobody is SEQ ID NO. 4. The anti-Trop2 nanobody provided by the application has specific recognition and binding capacity, and application thereof is related to diagnosis and treatment of Trop2 related tumor diseases, basic medical research, biological research and the like, and has wide biological application and clinical application value.

The invention discloses an RNA (Ribonucleic Acid) aptamer for specifically recognizing rice Cerebron as well as a screening method and salt tolerance application of the RNA aptamer. A random oligonucleotide library is screened, amplified and deeply sequenced by adopting an SELEX (systematic evolution of ligands by exponential enrichment) technology in combination with His-tag agarose beads to obtain an RNA (Ribonucleic Acid) aptamer Cereblock with high affinity and high specific binding capacity with the OsCRBN, the expression level of the OsCRBN can be stabilized under a salt stress condition by expressing the RNA aptamer Cereblock in rice, and the expression level of the OsCRBN can be stabilized under a salt stress condition. The ubiquitination level of protein in the rice is improved, and a protein aggregation structure is changed, so that the salt tolerance of the rice is improved. The RNA aptamer provided by the invention is small in molecular weight, capable of being chemically synthesized, low in cost, strong in affinity and specificity, convenient to mark, good in repeatability and stability and easy to store, has a definite application value of improving salt tolerance, and has a good popularization potential.

The present application relates to the technical field of nanobody, in particular to anti-CLDN6 nanobody and its application. The present application provides a kind of anti-CLDN6 nanobody with high affinity and specificity. The nanobody can specifically recognize and bind to the CLDN6 target of various solid tumors, including ovarian cancer, liver cancer, endometrial cancer, testicular cancer and gastric cancer, etc. The nanobody of the present application can be used as a core recognition element to construct a variety of therapeutic and diagnostic platforms such as chimeric antigen receptor T cells, NK cells, bispecific antibodies, antibody drug conjugates or molecular imaging probes. The technical solution can solve the technical problem of lack of high specificity anti-CLDN6 nanobody in the prior art, and provide an effective means for the immunotherapy of CLDN6 positive solid tumors.