24results about How to "Good transferability" patented technology

The invention discloses a preparation method of a Bi / Bi4NbO8X piezoelectric photocatalyst with an amorphous crystal interface. The preparation method comprises the following steps: sequentially adding Bi2O3, Nb2O5, BiOX (X is Cl or Br), NaX and LiX into deionized water according to a ratio, stirring for a certain time at 0 DEG C, putting the mixture into a tubular furnace, calcining to obtain a Bi4NbO8Xl precursor material, and dissolving the precursor material into an ethylene glycol solution to obtain the electrolyte. FTO is used as a working electrode, a graphite rod is used as a counter electrode, a saturated calomel electrode is used as a reference electrode, constant current deposition is carried out at room temperature for a certain time, precipitates are collected and washed with deionized water and absolute ethyl alcohol, and centrifugation and drying are carried out. According to the preparation method, amorphization of a matrix is successfully induced, an amorphous / crystalline interface is formed, meanwhile, Bi metal is separated out in situ, and a Bi / Bi4NbO8X (X is Cl or Br) heterostructure is formed. The formation of an amorphous / crystalline interface and a Bi / Bi4NbO8X (X = Cl, Br) heterostructure effectively promotes the separation efficiency of photo-generated charges, so that the catalyst realizes efficient tetracycline (TC) degradation capacity.

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.

The invention relates to the technical field of transfer paper coatings, in particular to a thermal dye sublimation transfer paper coating and a preparation method thereof. The preparation method comprises the following steps: coating substrate paper with a photo-thermal dual-curing polyurethane emulsion, and curing to form a hydrophobic layer; the photo-thermal dual-curing polyurethane emulsion is formed by mixing epoxy group end-capped silicon-containing polyurethane and double-bond end-capped polyurethane, wherein the epoxy group end-capped silicon-containing polyurethane is obtained by modifying hydroxyl-terminated polydimethylsiloxane and capping propylene glycol diglycidyl ester, and the double-bond end-capped polyurethane is obtained by carrying out chain extension on glycerol monoglycidyl ether and capping hydroxyethyl acrylate; coating the hydrophobic layer with an ink-absorbing layer coating containing sulfhydrylated silicon dioxide, an acrylamide monomer and sodium carboxymethyl cellulose, and performing crosslinking to form an ink-absorbing layer; and finally, coating a polyvinyl alcohol solution on the ink absorption layer to form a surface layer. The thermal dye sublimation transfer paper designed by the invention is high in coating adhesive force and good in transfer effect.

The invention relates to a cross-instrument intensity correction method and system based on liquid chromatography-mass spectrometry, and the method comprises the steps: constructing a first correction curve based on mass anchor points composed of chemical standard substances with concentration gradients, and correcting the intensity of data collected by the same instrument to a similar level; and further constructing a second correction curve based on the concentration gradient sample, wherein the second correction curve is used for correcting the intensity of data collected by different instruments to a similar level. Wherein a kit consisting of chemical standard substances is designed for mass anchor points, the chemical standard substances have concentration gradient differences in multiple relation, and the types and the quantity of the chemical standard substances can be selected according to the actual condition of a sample to be detected; the construction of the concentration gradient sample comprises the following steps: diluting a quality control sample (QC) formed by mixing all samples to be detected into different concentration gradients, and adding the chemical standard substance. The indexes such as the relative standard deviation (RSD) of the corrected characteristic intensity are comprehensively improved, and the problem of data comparability of different batches, different instruments and different experimental centers can be effectively solved.

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 application provides a drought propagation analysis method and system considering multi-dimensional characteristics of drought events. The method comprises the following steps: calculating a drought duration propagation index based on a meteorological drought total duration and an agricultural drought total duration; calculating a drought intensity propagation index based on meteorological drought intensities of previous meteorological drought events and agricultural drought intensities of previous agricultural drought events; calculating a drought intensity trend propagation index based on meteorological drought intensity trends of previous meteorological drought events and agricultural drought intensity trends of previous agricultural drought events; calculating a drought fluctuation propagation index based on meteorological drought index fluctuation rates of previous meteorological drought events and agricultural drought index fluctuation rates of previous agricultural drought events; calculating a drought probability propagation index based on a meteorological drought occurrence probability and an agricultural drought occurrence probability of a target region within a given time period; and constructing a comprehensive drought propagation index by using a CRITIC objective weighting method. The application can accurately describe the propagation process between meteorological drought and agricultural drought.

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 invention discloses ultraviolet anti-forgery ink for optical disc printing. The ultraviolet anti-forgery ink is prepared from the following raw materials in parts by mass: 20 to 55 parts of prepolymer, 15 to 30 parts of monomer, 5 to 10 parts of photoinitiator, 1.5 to 2.5 parts of UV photocuring flatting agent, 1 to 2 parts of wetting agent, 0.01 to 0.1 part of surfactant, 0.1 to 0.5 part of ultraviolet light absorber, 0.001 to 0.01 part of anthracene derivative and 1 to 3 parts of adhesion promoter. The ultraviolet anti-forgery ink for optical disc printing is prepared from specific raw materials and dosages, contains a recessive or dominant ultraviolet reactive material, has high adhesiveness, scratch resistance and chemical resistance, provides an anti-forgery characteristic in response to ultraviolet radiation, also has the advantages of good anti-fouling property, excellent rheological property and ink transfer performance and the like, and can be widely applied to the field of optical disc printing. The fluorescent ink can be used for optical disc surface printing, and patterns or characters can be printed on a printing stock without a fluorescent background through a silk-screen printing technology. And fountain solution is not needed in the printing process, the production efficiency is high, the printing quality is good, and the production cost is low.

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.

The invention discloses a substrate transfer method and a solar cell manufacturing method, and relates to the technical field of battery production. The substrate transfer method calculates the vacuum pressure by the surface average roughness and thickness of the coating layer, and then calculates the vacuum pressure by the adsorption area, single hole area, number of suction holes and vacuum pressure of the vacuum chuck, so that the obtained vacuum pressure is appropriate, accurate and reliable, and the substrate is prevented from falling off, and at the same time, no indentation is formed on the substrate surface, so as to ensure the subsequent PL detection accuracy and battery quality.

The invention relates to an optical function plate which comprises a polymer layer playing a role in bearing and supporting. The elastomer layer is attached to the polymer layer, and the elastomer layer and the polymer layer are attached in a double-layer co-extrusion mode; the outer surface of the elastomer layer is provided with a microstructure used for brightening, the microstructure is formed through transfer printing, and the polymer layer serves as a supporting structure of the elastomer layer in the transfer printing process. According to the invention, by utilizing the resilience and wear resistance of the elastomer, the problem of wear easily caused in the preparation and transportation processes of the optical function plate is effectively improved. The elastomer and the polymer matrix have good optical performance, the manufacturing cost is low, and a high-performance optical functional layer can be prepared. And the wear resistance of the elastomer after crosslinking can be further improved.

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.

The purpose of the present invention is to provide an aqueous primer composition, a laminate for a packaging material, and a method for producing a laminate for a packaging material, said aqueous primer composition having excellent transferability and leveling properties to a paper base and an ink layer, and having excellent adhesion to the paper base and the ink layer. When the active energy ray-curable composition is applied to the aqueous primer layer, the laminate for packaging materials has excellent resistance to stains (uneven gloss), and also has excellent makeup appearance (matting properties). The present invention relates to an aqueous primer composition for forming a primer layer of a laminate for a packaging material, the laminate having a paper base, the primer layer, and an active energy ray-curable layer in this order, the aqueous primer composition containing a binder resin, an extender pigment, and an aqueous solvent.

The hot-pressing jig is used for preparing a front light guide plate, the hot-pressing jig comprises a light guide plate limiting plate and an anti-sticking supporting device, the light guide plate limiting plate is provided with a limiting surface, the anti-sticking supporting device is arranged on the limiting surface, the anti-sticking supporting device comprises a plurality of anti-sticking spacing devices, and the anti-sticking spacing devices are arranged on the limiting surface. The multiple anti-sticking distance pieces are arranged in the direction away from the light guide plate limiting plate, a first material containing cavity is formed between the anti-sticking distance piece adjacent to the light guide plate limiting plate and the light guide plate limiting plate, and a second material containing cavity is formed between any two adjacent anti-sticking distance pieces. The first material containing cavity and the second material containing cavity are both used for containing front light guide plate blanks, the first material containing cavity is provided with a first hot-pressing port, the second material containing cavity is provided with a second hot-pressing port, and the first hot-pressing port and the second hot-pressing port are located on the same side. The invention further discloses a hot pressing assembly, a front light guide plate hot pressing method and a front light guide plate.

The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

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.

The invention discloses a noodle hanging rod transfer device, comprising a frame, an inlet and outlet passage for a transfer vehicle to enter and exit, a telescopic receiving mechanism protruding from both sides of the frame at one end of the inlet and outlet passage, an intermittent top-feeding mechanism provided on the frame downstream of the telescopic receiving mechanism, the telescopic receiving mechanism and the intermittent top-feeding mechanism connected and arranged; a sliding clamping mechanism provided on the frame downstream of the intermittent top-feeding mechanism and above the transfer vehicle. When the material (hanging rod) is transferred to the frame, the telescopic receiving mechanism extends and receives the hanging rod, then retracts and transports the hanging rod through the intermittent top-feeding mechanism, and then the top rods are placed one by one on the transfer vehicle through the sliding clamping mechanism, thereby achieving the purpose of transferring the hanging rod transferred by the mechanized hanging rod transfer device to the transfer vehicle, the structure is simple, the layout is reasonable, the working connection between the telescopic receiving mechanism, the intermittent top-feeding mechanism and the sliding clamping mechanism is good, and the working continuity and working efficiency are high.

There are provided a reflective photomask and a reflective photomask blank having a high contrast of a minute pattern to an inspection light and capable of minimizing the shadowing effect in EUV exposure. A reflective photomask blank (100) of this embodiment includes: a substrate (11); a reflective part (17); and a low reflective part (18), in which the low reflective part (18) is a multi-layer structural body having at least two or more layers including an absorption layer (14) and an outermost layer (15), an extinction coefficient k to a wavelength of 13.5 nm of the absorption layer (14) is k > 0.041, and the film thickness of the low reflective part (18) is a film thickness satisfying 0.5 × da + dc ≤ 21.5 nm or a film thickness satisfying 0.5 × da + dc ≥ 27.5 nm, wherein the film thickness of the absorption layer (14) is da and the film thickness of the outermost layer (15) is dc.

The invention discloses an alkali metal poisoning resistant SCR catalyst and a preparation method thereof.The SCR catalyst is prepared by compositely doping Ce, Nb and Bi metal oxides through an impregnation method on the basis of a vanadium-based catalyst VWTi, and in the SCR catalyst finished product, the mass percent of V2O5 is 0.9%-1%, the mass percent of WO3 is 8.2%-8.6%, the mass percent of Nb2O5 is 1%-1.8%, the mass percent of CeO2 is 3.3%-4.7%, the mass percent of Bi2O3 is 0.2%-1.7%, the mass percent of B2O3 is 0.2%-1.7%, the mass percent of B2O3 is 0.2%-1.7%, and the balance is a solvent. The mass percent of TiO2 is the balance; aiming at the inactivation problem of a traditional VWTi catalyst under the alkali metal poisoning condition, the alkali metal poisoning resistance of the SCR catalyst is enhanced by optimizing the acidity and oxidation reduction performance of the SCR catalyst, the activity and stability of the SCR catalyst are improved, the SCR catalyst can still keep good catalytic activity under 1% KCl load, and compared with the prior art, the SCR catalyst has the advantages that the catalytic activity of the SCR catalyst is improved, and the catalytic activity of the SCR catalyst is improved. The activity of a commercial VWTi catalyst is less than 20% at 350 DEG C under the load of 1% KCl.

The invention provides a high-transferability black box attack method based on adversarial example augmentation. The method comprises the following steps: S1, acquiring an original image and a pseudo tag of the original image; s2, constructing a deep feature extractor; s3, generating an adversarial example; s4, inputting the adversarial example into the agent model to obtain a prediction result; s5, calculating the structural similarity between the prediction result and the pseudo tag, and screening countermeasure examples; s6, inputting the adversarial examples into a deep feature extractor to obtain two deep features; s7, calculating the KL divergence between the two deep features, enlarging the difference between the prediction result and the pseudo tag, and screening the antagonism examples; and S8, integrating to obtain an adversarial example set, and querying the target model to obtain an optimal adversarial example. The method has the beneficial effects that the antagonism example set with high transferability can be generated, and the attack effect is improved.