44results about How to "Improve patience" patented technology

The invention belongs to the technical field of high polymer materials, and particularly relates to a polyurethane-acrylate emulsion with a core-shell structure as well as a preparation method and application of the polyurethane-acrylate emulsion. Double bonds and keto groups are introduced into polyurethane to form a core-shell structure with acrylate as a core and polyurethane as a shell and a keto-hydrazine crosslinking double-crosslinking system with acrylate as a core and polyurethane as a shell, and a water-based acrylate dispersion and a water-based polyurethane dispersion form double crosslinking through double bonds and keto-hydrazine crosslinking, so that the effect of complementary advantages is achieved; therefore, the water-borne wood paint resin with excellent comprehensive performance is obtained. Performance test results show that the polyurethane-acrylate emulsion film with the core-shell structure has good adhesive force, glossiness, hardness, wear resistance and water resistance, and is suitable for being used as water-borne wood paint.

The invention discloses a polygonatum cyrtonema transcription factor gene PcWRKY1 as well as an encoding protein and application thereof. According to the application, a WRKY transcription factor PcWRKY1 which is obviously inhibited by high-temperature stress is screened, the transcription level of the PcWRKY1 transcription factor gene responding to the high-temperature stress is further determined, a tissue expression mode and subcellular sites of the PcWRKY1 transcription factor gene are analyzed, and finally, the regulation effect of the PcWRKY1 transcription factor gene on the high-temperature tolerance of the polygonatum cyrtonema protoplast is determined. The PcWRKY1 transcription factor gene is located in a cell nucleus, codes a protein containing 519 amino acids and is expressed in roots, stems, leaves, tubers and seeds of polygonatum cyrtonema, the expression quantity in the seeds is the highest, and the PcWRKY1 transcription factor gene can inhibit the increase of MDA content and promote the improvement of CAT enzyme activity under high temperature stress. Further, the tolerance of the polygonatum cyrtonema protoplast under high-temperature stress is improved.

The invention relates to the technical field of dust removal filter materials, in particular to a fiber composite needled filter material and a preparation method thereof. In order to enhance the high-temperature performance of the needle-punched filter material, a modified carbon fiber material is added into polyethylene glycol terephthalate; according to the preparation method disclosed by the invention, the surface of the nano carbon fiber is subjected to carboxylation treatment after being subjected to oxidation treatment, a fluorine element is introduced into the surface of the carbon fiber on the basis, and a structure similar to ethylene glycol terephthalate is further prepared on the surface of the carbon fiber; therefore, the compatibility and the bonding strength between the carbon nanofibers and the polyethylene terephthalate are greatly improved; meanwhile, the fluorine element introduced in the process can greatly improve the stability of the polyester fiber at high temperature and enhance the resistance of the polyester fiber to chemical erosion such as acid and alkali, so that the service life of the filter material in high-temperature flue gas is prolonged.

The invention discloses an advertisement design multimedia information system, and relates to the technical field of advertisement design, the advertisement design multimedia information system comprises an advertisement design unit, a release monitoring unit and a database, the advertisement design unit comprises a template analysis module and an advertisement generation module, the release monitoring unit comprises an advertisement release module, a release effect monitoring module and an advertisement promotion analysis module, the video advertisement is generated by analyzing the duration, background music and video special effects of the video advertisement corresponding to the target user, the video advertisement is put in proper putting time, and the advertisement putting effect is monitored; according to the invention, the intelligent production and delivery of the video advertisement are realized, the attraction of the video advertisement and the acceptability of the public are improved, the watching experience of audiences is improved, the promotion effect, the exposure rate and the conversion rate of the video advertisement are guaranteed, and the promotion cost of the advertisement is also reduced.

The power amplifier circuit includes: a carrier amplifier that amplifies a first signal and outputs a first amplified signal from a first output terminal; a peak amplifier that amplifies a second signal having a phase different from that of the first signal and outputs a second amplified signal from a second output terminal; a first inductor having a first end connected to the first output terminal and a second end connected to a first node; a first capacitor having a first end connected to the first node and a second end connected to ground; a second inductor having a first end connected to the second output terminal and a second end connected to a second node; a second capacitor having a first end connected to the second node and a second end connected to ground; a third inductor having a first end connected to the first node and a second end connected to a third node connected to a load; and a third capacitor having a first end connected to the second node and a second end connected to the third node.

The utility model discloses an energy-saving copper-plated pipe with excellent deformation resistance, which comprises a pipe body, and a spiral reinforced steel ring for increasing the structural strength of the pipe body is arranged on the inner wall of the pipe body; the pipe body is composed of a corrosion-resistant layer, a high-temperature-resistant layer, a heat preservation layer, a sound insulation layer, an insulating layer and an aging-resistant layer. According to the copper-plated pipe, the spiral reinforced steel ring is arranged to effectively support the pipe body from the inner side of the pipe body, so that the non-deformability of the pipe body is improved, the service life of the copper-plated pipe is prolonged by arranging the corrosion-resistant layer, the applicability of the copper-plated pipe is improved by arranging the high-temperature-resistant layer, and the service life of the copper-plated pipe is prolonged. According to the copper-plated pipe provided by the utility model, the heat preservation layer is arranged to play a role in heat preservation, heat insulation and protection on the copper-plated pipe, the sound insulation layer is arranged to greatly improve the sound insulation performance of the copper-plated pipe, the insulation layer is arranged to improve the deformation resistance of the copper-plated pipe, and the anti-aging layer is arranged to prolong the service life of the copper-plated pipe.

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 invention provides application of an OsZIP13 gene. The OsZIP13 gene is used for regulating and controlling saline-alkali stress tolerance of rice plants. The OsZIP13 gene in the rice plant is over-expressed and is used for enhancing the saline-alkali stress tolerance of the rice plant; or / and the OsZIP13 gene in the rice plant is subjected to gene editing and is used for reducing the saline-alkali stress tolerance of the rice plant; the nucleotide sequence of the coding region of the OsZIP13 gene is as shown in SEQ ID No: 1; the amino acid sequence of the coding region of the OsZIP13 gene is as shown in SEQ ID No: 2. The gene is excessively expressed in rice, the tolerance of rice to saline-alkali stress in the germination stage and the seedling stage can be enhanced, a mutant strain is more sensitive to saline-alkali stress compared with wild rice, and the discovery of the gene provides an important gene resource and a theoretical basis for cultivation of saline-alkali tolerant plants; wide application prospects are realized.

The invention belongs to the technical field of coatings, and discloses a water-based bi-component photocureable coating as well as a preparation method and application thereof. The water-based bi-component photocureable coating is prepared from the following raw materials: an acrylic monomer, an acrylate monomer, an initiator, an isocyanate monomer, hydroxyl vinyl ether, a bio-based material, a hydrophilic modifier, epoxy resin, an acrylamide monomer and a neutralizer. In the preparation raw materials, the bio-based material is vegetable oil containing more than three epoxy groups, and the epoxy resin is epoxy resin containing more than three epoxy groups; a double-bond-containing component of the water-based two-component photocureable coating is a polyacrylate dispersion containing vinyl ether double bonds and acrylamide double bonds, and an epoxy group-containing component of the water-based two-component photocureable coating is hydrophilic modified epoxy resin. A paint film of the water-based bi-component photocureable coating has the characteristics of high flexibility, good chemical resistance, excellent adhesion to various substrates and the like.

The application discloses a plant growth regulator. By externally applying the plant growth regulator to leguminous plants, the leguminous plants can maintain high tolerance under weak light conditions such as dense planting, strip complex planting, under forest, facility greenhouse or cloudy and rainy days, and the implementation is simple, labor is saved, and the plant growth regulator can be used for mechanical operation.

This invention provides a high-hardness, scratch-resistant, water-based two-component polyurethane matte black base coat, its preparation method, and its application. The two-component matte black base coat comprises component A and component B. Component A includes a water-based hydroxyl polyurethane acrylic dispersion, a water-based hydroxyl acrylic dispersion, hydroxyl microspheres, a high-pigment carbon black paste, water-based additives, a film-forming aid, and water. Component B includes a curing agent and a diluent. The matte black base coat of this invention exhibits high hardness, scratch resistance, and chemical resistance. It also demonstrates excellent workability, activation period, and surface finish, making it suitable for water-based two-component matte black base coat systems. It is particularly suitable for decorative and protective applications in the plastic paint industry, such as 3C consumer electronics, where extremely stringent requirements for abrasion resistance, scratch resistance, and chemical resistance are necessary.

The invention discloses citrobacter freundii and an application thereof. The citrobacter freundii disclosed by the invention has the functions of high cadmium resistance and improvement of selenium bioavailability, and the strain is classified and named as Citrobacter freundii DS and is preserved in CCTCC (China Center For Type Culture Collection) on May 26, 2022. The strain has high tolerance to heavy metal cadmium, can still grow under the condition that the concentration of Cd < 2 + > is 6 mM, and can reach the maximum biomass within 40 hours. When the strain is applied to cadmium-polluted soil, the proportion of exchangeable cadmium in the soil and the content of effective cadmium in the soil can be remarkably reduced, and meanwhile, the content of soluble selenium and effective selenium in the soil can be remarkably increased. A rice potting experiment is carried out, so that the cadmium biological enrichment coefficient of each part of the rice is further reduced, and the selenium biological enrichment coefficient and the selenium transfer coefficient are improved. The strain has a remarkable effect in the application of repairing cadmium pollution of soil, improving the biological utilization of selenium and promoting crop growth.

The present invention relates to a modified polyester / acrylate resin hybrid water dispersion and a preparation method thereof, as well as a varnish and a color paint for baking varnish. The water dispersion comprises a copolymer prepared from the following raw materials: modified polyester, non-functional (meth) acrylic monomer or its derivative, hydroxyl functional (meth) acrylic monomer or its derivative, carboxyl functional (meth) acrylic monomer or its derivative, styrene, and vinyl glycidyl ester. The modified polyester is used to modify the acrylic resin to obtain a water dispersion, which has excellent thermal storage stability. The amino baking varnish prepared by mixing it with an amino resin has high gloss, high chemical resistance, and excellent storage stability, while taking into account high hardness and excellent impact resistance, and can be applied to automotive coatings and other fields.

The application provides a composition containing arbuscular mycorrhizal fungi (AMF) and biochar and application thereof in improving tobacco cadmium tolerance and / or improving soil, and belongs to the technical field of bio-agriculture. The application can effectively promote tobacco growth, improve tobacco agronomic traits and biomass, effectively improve tobacco cadmium tolerance, effectively reduce cadmium accumulation in tobacco, change the subcellular distribution of cadmium in tobacco, convert high-toxicity chemical state cadmium into medium-toxicity or low-toxicity cadmium, and is also beneficial to improving soil environment and nutrient regulation antioxidant enzyme activity, and provides a better soil environment for tobacco growth.

The invention discloses an epoxy resin coating based on a fluorine-containing alternating polymer and a preparation method thereof, and the preparation method comprises the following steps: carrying out polymerization reaction on alpha, omega-non-conjugated diene containing a benzene ring structure and alpha, omega-diiodo perfluoroalkane in the presence of a catalyst and an organic solvent to obtain the fluorine-containing alternating polymer; the surface of a base material is coated with a composite coating obtained by dispersing the fluorine-containing alternating polymer, epoxy resin, a curing agent and auxiliaries in a solvent, and the epoxy resin coating based on the fluorine-containing alternating polymer is obtained after curing treatment. According to the invention, the excellent strong acid resistance and strong gamma ray irradiation resistance of the coating can be synchronously realized through the single-component modifier (fluorine-containing alternating polymer), meanwhile, the mechanical property of the coating is guaranteed, and the service cycle of the coating is remarkably prolonged.

Provided are: a cable surface treatment method which, in a cable provided with a sheath having a vinyl chloride-based resin as a main component, is capable of repairing the deterioration of the sheath caused by the application of a disinfection treatment using a chemical and a sterilization treatment using UV-C light, and which is capable of improving the resistance to the aforementioned treatment; and a cable surface-treated by the method. Provided is a surface treatment method for a cable (1) provided with a sheath (10) mainly composed of a vinyl chloride resin, in which a coating layer (11) is formed on the surface of the sheath (10) by applying and curing a liquid silicone rubber composition containing a UV-C light-shielding filler (112) on the surface of the sheath (10).

The invention belongs to the technical field of coatings, and discloses a light-cured epoxy-acrylic acid-polyurethane hybrid dispersion as well as a preparation method and application thereof. The light-cured epoxy-acrylic acid-polyurethane hybrid dispersion is prepared from the following raw materials: a hydrophilic chain extender, an acrylic monomer, an acrylate monomer, a vinyl monomer, epoxy resin, polyol, an isocyanate monomer, a bio-based material, a hydrophilic modifier, an acrylamide monomer, a neutralizer and an initiator. A paint film of a water-based light-cured bio-based paint prepared from the light-cured epoxy-acrylic acid-polyurethane hybrid dispersion has the characteristics of high flexibility, good chemical resistance, excellent adhesion to various substrates and the like.

The invention belongs to the technical field of glass fiber reinforced plastic storage tanks, and particularly relates to an insulating high-strength glass fiber composite tank which comprises a glass fiber reinforced plastic storage tank body composed of an inner surface layer, a secondary surface layer, a structural layer, an insulating middle layer, an outer surface layer and a protective layer which are stacked layer by layer from inside to outside. A transportation support is arranged at the bottom of the glass fiber reinforced plastic storage tank body, and a connecting mechanism is arranged between the transportation support and the glass fiber reinforced plastic storage tank body. According to the insulating type high-strength glass fiber composite tank, the secondary surface layer, the structural layer and the protective layer are arranged, the toughness of the glass fiber reinforced plastic storage tank body is improved through chopped glass fiber reinforced plastic fibers, glass fiber rough yarns are laid in a staggered mode, so that a high-strength and impact-resistant tank body structure is formed, meanwhile, the resistance of the tank body is improved through polyurethane rubber, and the service life of the tank body is prolonged. Therefore, the strength of the glass fiber reinforced plastic storage tank body is improved.

The invention relates to application and a method for promoting photosynthesis of tobacco by enhancing MT2c gene expression through double promoters and belongs to the field of plant genetic engineering, the MT2c gene is overexpressed in the tobacco by constructing a gene expression cassette pActin-MT2c-OCS, or gene expression cassettes pActin-MT2c-OCS and p35S-MT2c-T35S are respectively constructed, and the MT2c gene is respectively driven to be overexpressed in the tobacco by a strong promoter 35S and an Actin promoter, so that the photosynthesis of the tobacco is promoted. The photosynthetic efficiency, the transpiration speed and the stomatal conductance of the tobacco can be obviously improved, and the photosynthesis of the tobacco is promoted; and the promotion effect is not limited to resistance to abiotic stress, and the photosynthetic yield of plants can be effectively improved in a pollution-free environment without abiotic stress.

The application discloses a method for repairing arsenic-containing water bodies by using manganese ions to promote algal bacterial biofilm, and relates to the field of water treatment. The method comprises the following steps: (1) collecting water organism skin as a microbial source, culturing in a culture medium, and obtaining algal bacterial biofilm after centrifugal treatment; (2) adding the algal bacterial biofilm and divalent manganese ions into the water body to be repaired for culture. The algal bacterial biofilm is prepared from the biological components of the skin which widely exists in the water environment, and the algal bacterial biofilm has high arsenic (As) resistance and can grow rapidly in the As-containing water body. The divalent manganese ions are oxidized by the microorganisms to generate manganese oxides on the surface of the algal bacterial biofilm, so that the As in the water can be adsorbed or co-precipitated, thereby improving the As fixation capacity of the algal bacterial biofilm. The algal bacterial biofilm and the manganese oxides can also rapidly oxidize As(III) into As(V) and stably fix the As(V).

The utility model discloses a high-temperature-resistant volute-free centrifugal fan, which comprises an impeller, a plurality of blades, a plurality of blades and a plurality of centrifugal fans, the impeller comprises blades and a middle disc, the impeller is fixed on the middle disc, and the middle disc is provided with lugs; the impeller and the cooling device are arranged side by side in the first direction, the cooling device is arranged on the side, close to the middle disc, of the impeller, the cooling device comprises a shell and a heat insulation material, and the heat insulation material is arranged in the shell; the convex pieces on the middle disc are used for heat dissipation, so that the overall high-temperature resistance of the centrifugal fan is improved; the cooling device is used for cooling the impeller, so that the centrifugal fan is cooled, the high-temperature resistance of the centrifugal fan is further improved, and the applicability of the centrifugal fan is improved; and the heat dissipation impeller is used for dissipating heat of the internal space of the motor and the centrifugal fan, so that the heat resistance of the centrifugal fan is further improved.

The invention provides a page display method and device, a medium and equipment, and relates to the technical field of page display and the financial science and technology field, and the method comprises the steps: responding to an access operation of a user, determining a to-be-displayed page corresponding to the access operation, and based on an access condition corresponding to the to-be-displayed page, determining whether the access condition comprises obtaining user identity information; under the condition that the access condition comprises obtaining the user identity information, obtaining the user identity information corresponding to the to-be-displayed page, refreshing the display interface from the current page to the to-be-displayed page, and loading a mask layer; and obtaining page rendering information corresponding to the to-be-displayed page, rendering the to-be-displayed page based on the information, and canceling display of the loading mask layer when rendering of the to-be-displayed page is completed. By directly acquiring the identity information, complex user identity authentication in the page display process is avoided, the page loading efficiency is improved, the user waiting time is shortened, the user experience is optimized, and the user can access the required content more quickly.

The high-frequency signal transmission line (101) includes a resin layer stack (3) having a first resin layer (11, 12, 13) and a second resin layer (21, 22) stacked thereon, a signal conductor pattern (4) formed on the first resin layer (11), and a ground conductor layer (5) sandwiching part or all of the resin layer stack (3) and opposite to the signal conductor pattern (4). The Young's modulus of the second resin layer (21, 22) is lower than that of the first resin layer (11, 12, 13). An opening is formed in the first resin layer (12) at least along the position of the signal conductor pattern (4) in the resin layer stack (3), thereby providing a hollow portion (HP) in the resin layer stack (3) by means of the opening.

This invention relates to the field of dust removal filter media technology, specifically to a fiber composite needle-punched filter media and its preparation method. To enhance the high-temperature performance of the needle-punched filter media, this invention adds modified carbon fiber material to polyethylene terephthalate (PET). This invention further enhances the compatibility and bonding strength between the carbon nanofibers and PET by oxidizing the surface and then carboxylating it, introducing fluorine elements onto the carbon fiber surface, and further preparing a PET-like structure. This significantly increases the compatibility and bonding strength between the carbon nanofibers and PET. Simultaneously, the fluorine introduced in this process significantly improves the stability of polyester fibers at high temperatures and enhances their resistance to chemical corrosion such as acids and alkalis, thereby improving the service life of the filter media in high-temperature flue gas.

The present invention provides a Morchella mycelium salt-tolerance gene atg8, the nucleotide sequence of which is shown in the sequence table SEQ ID NO.1. The present invention also provides an amino acid sequence of a protein encoded by the above gene, the sequence of which is shown in SEQ ID NO.2. The present invention also provides the use of the above gene in improving the salt-tolerance growth of Morchella. The expression amount of atg8 in Morchella mycelium at different salt concentrations is obtained by fluorescent quantitative PCR, and then the role of the autophagy gene in the salt-tolerance stress of Morchella is simulated by adding an autophagy inhibitor. The experimental results show that the growth rate and mycelium diameter of Morchella mycelium with the addition of the autophagy inhibitor and under salt stress have obvious changes, and there are significant differences. It shows that the autophagy process plays an important role in the growth of Morchella mycelium in salt-tolerance stress, and also shows that the autophagy gene can improve the tolerance of Morchella mycelium to salt stress.

The present invention provides a connector device capable of improving resistance to externally applied forces. It includes a cable connector (200) and a substrate connector (300) configured to be interlocked. The cable connector (200) has: a housing (201); a mounting portion (202) disposed on the housing (201) for mounting a cable (S); and a protrusion (205) disposed on the housing (201) that protrudes in a second direction intersecting the first direction when the mounting direction of the cable (S) relative to the mounting portion (202) is set as a first direction. The substrate connector (300) has: a housing (301); a engaging portion (306) disposed on the housing (301) for engaging with the protrusion (205) in the first direction; and a reinforcing metal member (304) disposed on the housing (301), the reinforcing metal member (304) having a first portion (304A) mounted on a circuit board (A), the first portion (304A) including a portion overlapping the protrusion (205) in the second direction.

The invention relates to the technical field of water-based high-temperature baking paint, in particular to water-based high-temperature baking finish paint and a preparation method thereof.The water-based high-temperature baking finish paint is at least prepared from, by mass, 5%-10% of urethane acrylate, 7%-18% of hydroxy acrylic resin, 5%-15% of acrylic copolymer, 10%-20% of polyester resin and 3%-9% of amino resin; the paint can be applied to various spraying modes (gas spraying and electrostatic spraying), various construction processes and spraying equipment, can be applied to oil paint equipment after simple equipment cleaning, parameter resetting and process conversion, and particularly has outstanding performance in the aspects of gas spraying and electrostatic spraying; and the method plays a positive role in promoting the policy of'oil-to-water 'in the industrial paint industry.

The utility model discloses a shielding cable for signal transmission, which comprises a conductor, and a first insulating layer, a first wrapping layer, a first shielding layer and a sheath layer which are coaxially arranged on the outer side of the conductor in sequence, a corrugated pipe is sleeved on the outer side of the sheath layer, and a plurality of supporting strips extending along the length direction of the sheath layer are arranged on the outer side surface of the sheath layer. The corrugated pipe comprises a plurality of supporting strips arranged at intervals in the circumferential direction, the supporting strips abut against the inner wall of the corrugated pipe to make contact with the inner wall of the corrugated pipe, so that a gap layer is formed between the adjacent supporting strips and the inner wall of the corrugated pipe, flame-retardant filler is arranged in the gap layer, and the surface of the outer side of the corrugated pipe is wrapped with a metal braid layer. According to the utility model, the cable has good anti-interference and electrical performance, the tolerance, stability and flame retardance of the cable in a high-temperature complex environment for a long time are improved, and the stability of the whole structure is improved, so that the precision and stability of a detection result are ensured.

The invention belongs to the technical field of coatings, and discloses an epoxy modified light-cured polyacrylate dispersion as well as a preparation method and application thereof. The epoxy modified light-cured polyacrylate dispersion is prepared from the following raw materials: an acrylic monomer, an acrylate monomer, an initiator, an isocyanate monomer, hydroxyl vinyl ether, a bio-based material, a hydrophilic modifier, epoxy resin, an acrylamide monomer and a neutralizer. The solid content of the epoxy modified light-cured polyacrylate dispersion is 38 to 41 percent; the bio-based content of the epoxy modified light-cured polyacrylate dispersion is greater than or equal to 15%; the particle size of the epoxy modified light-cured polyacrylate dispersion is 1t; the wavelength is 110nm. A paint film of a water-based light-cured bio-based paint prepared from the epoxy modified light-cured polyacrylate dispersion has the characteristics of high flexibility, good chemical resistance, excellent adhesion to various substrates and the like.

The present application provides an order processing method, including obtaining historical feature data of the current passenger; obtaining historical feature data of the plot; obtaining real-time feature data of the current passenger's order; determining a predicted order acceptance time based on the current passenger's historical feature data, the plot's historical feature data, the current passenger's real-time feature data and a preset order acceptance time prediction model; determining a display copy based on the predicted order acceptance time and preset rules; the present application can improve the prediction accuracy of the predicted order acceptance time through the order acceptance time prediction model, and by making the predicted order acceptance time transparent to the passengers, it increases the passengers' patience, reduces the passenger order cancellation rate, and further improves the passenger order success rate.