10results about How to "Good transferability" patented technology

The invention belongs to the technical field of organic dye synthesis and application, and discloses a conjugated compound containing a benzothiophenazine structure as well as a preparation method and application thereof, and the conjugated compound containing the benzothiophenazine structure has excellent photophysical properties, singlet oxygen yield and superoxide anion generation capacity. The novel conjugated compounds ENBO-NI and ENBS-NI containing benzothiophenazine structures are successfully prepared by replacing a benzene ring of Nile blue with a cycloalkane structure and adjusting the electron donating ability of an R1 group. The two compounds have near infrared fluorescence emission, good solubility and relatively high ROS yield. Compared with a classical photosensitizer NB, the singlet oxygen yield of ENBO-NI is increased by about 117.65%, and the singlet oxygen yield of ENBS-NI is as high as 70%. The absorption wavelength of the conjugated compound is in a red light wave band. The preparation process is simple and efficient, large-scale production is easy, and the preparation method has a wide clinical application prospect.

This invention discloses a gravure printing ink composition and its preparation method. The ink, by weight, comprises: 15-35 parts chlorinated polypropylene, 10-20 parts EVA-40W, 4-8 parts rosin-modified resin, 0.3-0.8 parts polyketide resin, 0.1-0.3 parts chlorinated ether resin MP45, 0.3-0.8 parts silica, 0.05-0.15 parts antistatic agent, 0.2-0.5 parts dispersant, 0.1-0.3 parts modified aluminum silicate AM660, 8-12 parts benzidine yellow, 6-10 parts fast red BHXL-T, 3-5 parts permanent orange yellow No. 13, 3-7 parts calcium powder, and 30-50 parts mixed solvent. During preparation, each resin is pre-dissolved separately, then mixed with pigments, additives, etc., and ground to a fineness ≤15μm. The ink of this invention has bright colors, good light resistance, excellent adhesion, antistatic properties, and printability, and is particularly suitable for gravure printing on polyolefin films.

The purpose of the present invention is to provide an EUV photomask blank and an EUV photomask which have high resistance to hydrogen radicals, low EUV reflectance, and a high OD value. A reflective mask blank (10) according to an embodiment of the present invention is provided with at least a substrate (1), a multilayer reflective film (2), a cover layer (3), and a low-reflection part (5) in which a first absorption film (51) having high hydrogen radical resistance and a second absorption film (52) having high hydrogen radical resistance are alternately laminated. The extinction coefficient of the first absorption film (51) is different from the extinction coefficient of the second absorption film (52), or the refractive index of the first absorption film (51) is different from the refractive index of the second absorption film (52), and the extinction coefficient of the second absorption film (52) with respect to EUV light is 0.04 or more.

The utility model discloses a printing equipment for printing fabric processing relates to printing fabric processing technical field, including the machine case, the printing mechanism is fixedly installed in the middle part in the machine case, the input of one side of machine case is equipped with preheating mechanism, and the output of the other side of machine case is fixedly installed with drying mechanism. The utility model adopts the above structure, and during the application of this technical scheme, the upper and lower printing plates are oppositely arranged through the staggered design of the printing mechanism, and the synchronous drive of the adjusting assembly is matched, so that one-time printing of both sides of the fabric can be realized during use, the fabric does not need to be turned over and reworked, the production process and time cost are reduced, positioning deviation caused by secondary processing is avoided, and the printing quality stability and production efficiency are improved, solving the problems that the existing device can only print one side, and secondary processing leads to low efficiency and positioning deviation.

This invention relates to the field of transfer paper coating technology, specifically to a thermal sublimation transfer paper coating and its preparation method. The invention first coats a photothermal dual-curing polyurethane emulsion onto a substrate paper, curing it to form a hydrophobic layer. The photothermal dual-curing polyurethane emulsion is composed of an epoxy-terminated silicone polyurethane modified with hydroxyl-terminated polydimethylsiloxane and capped with propylene glycol diglycidyl ester, and a double-bond capped polyurethane obtained by chain extension with glycerol monoglycidyl ether and capping with hydroxyethyl acrylate. Next, an ink-absorbing coating containing mercapto-modified silica, acrylamide monomer, and sodium carboxymethyl cellulose is coated onto the hydrophobic layer, cross-linking to form an ink-absorbing layer. Finally, a polyvinyl alcohol solution is coated onto the ink-absorbing layer to form a surface layer. The thermal sublimation transfer paper coating designed by this invention exhibits strong adhesion and excellent transfer effect.

The application discloses a targeted adversarial attack enhancement method based on channel feature selection, belongs to the technical field of artificial intelligence security, and comprises the following steps: a heat map is calculated through a Grad-CAM algorithm, and a significant region is obtained; the significant region is supplemented to a significant map; a local image is obtained by randomly cutting the significant map; the local image is scaled to the same size as the original image; the original image and the local image are input into a CNN with the same adversarial perturbation; and a channel feature selection method is applied to optimize the adversarial perturbation. The application can improve the transferability of adversarial samples to a greater extent in the case of targeted attack; the application creatively applies model attention to targeted adversarial attack, so that the perturbation learns how to better transfer the significant features of the original image to the target category. The application focuses on improving the transferability of adversarial samples, thereby improving the success rate of black-box attack.

The application relates to a rolling bearing domain adaptive fault diagnosis method based on an attention mechanism. Collected rolling bearing vibration monitoring signals are extracted to deep fault features by a one-dimensional separable convolution and embedded channel attention mechanism and length attention mechanism feature extractor; a local attention domain adaptive module and a global attention domain adaptive module are constructed to screen signals and signal segments with good migratability, so that the generalization ability of the model is improved, the model can better cope with the variable working condition fault diagnosis problem; compared with a migration learning intelligent fault diagnosis algorithm, the algorithm considers that different signals and signal segments have different migratability, and the model has improved explainability; experiments on various bearing vibration data verify that the algorithm has good performance stability and can still have excellent diagnosis results under various working condition change conditions.

This invention relates to a heat transfer protective film for metal corrosion protection, comprising a heat-resistant layer coated on one side of a base film, and an adsorption layer, a strong anode layer, and a weak anode layer sequentially coated on the other side of the base film. Sacrificial anode cathodic protection is an effective method for metal corrosion protection, while heat transfer technology transfers graphic coded information onto a substrate using a heat transfer printer or similar method. Because the coating can be prepared in advance, it can form heat transfer protective films with multiple functions. By preparing an anode coating containing an active metal, coating it as a heat transfer protective film, and then transferring it onto a metal substrate, the sacrificial anode material protects the cathode metal while imparting graphic coded information to the metal substrate. This represents a new metal corrosion protection mode that adapts to the development of the information age.

This invention discloses a low-serum MDCC-MSB1 (MSB1) suspension culture medium and an inactivated chicken infectious anemia virus (TIV) vaccine. The culture medium comprises amino acids, carbon source, additives, vitamins, inorganic salts, buffer salts, and water, and further contains newborn calf serum (NBCS). Using this medium, low-cost, high-density suspension culture of MSB1 cells can be achieved, significantly improving cell culture stability. After 30 consecutive passages at a 1% volume ratio of NBCS, the viability of MSB1 cells remains above 94%, with uniform cell morphology and a clumping rate of <3%, making it suitable for large-scale bioreactor production. Furthermore, when applied to the preparation of an inactivated chicken infectious anemia virus vaccine, it can comprehensively improve virus propagation efficiency, increasing virus production efficiency by more than 25%, with a virus titer of not less than 1.0 × 10⁻⁶. 8.0 TCID 50 / ml, ensuring stable quality in large-scale production.

The application provides a device for preparing olefins by flash heating pulverized coal, comprising a pulse power source and a reaction chamber, further comprising electrode pieces connected to the positive and negative poles of the pulse power source respectively and extending to the inside of the reaction chamber from the end far away from the pulse power source and forming an electric field, the reaction chamber is provided with a conveying mechanism capable of forming an airflow channel along the inside and outside of the reaction chamber, and the electric pulse characteristics of the pulse power source are as follows: the time required for the pulse current to rise from 0A to a set value is less than 10ms, the pulse width is 20-500ms, and the set value of the pulse current is 0-500A. In the application, the preparation of low-carbon olefins is realized by using flash Joule heating technology and high-voltage electric shock technology, the mixed powder can reach a temperature of more than 3000K in less than 100ms, the volatile components in the pulverized coal are effectively converted into low-carbon olefins, the clean and efficient conversion and utilization of coal are realized, the preparation is simple and controllable, the cost is low, and meanwhile, the application can be carried on other structures and has good transferability.