18results about How to "Reduce invasion" patented technology

The invention belongs to the technical field of power distribution boxes, particularly relates to a power distribution box with a wind and sand prevention function for gobi areas, and aims to solve the problem that ventilation efficiency is reduced due to the fact that a dense gauze is mounted at an air inlet of a power distribution box in the prior art in order to reduce wind and sand entering the power distribution box. A bottom frame support is fixed to the bottom of the electric box body, a second dustproof water tank is fixed to the bottom frame support, two groove-shaped sliding rails which are parallel to each other and extend right ahead are fixed to the position, close to the middle of the rear side, of the inner wall of the electric box body, and the same limiting truck is slidably connected between the two groove-shaped sliding rails. When the ventilation mechanism is started, external air with wind and sand is prevented from being directly sucked in, at the moment, the external air enters water in the second dustproof water tank through an air inlet hole with a downward hole opening in the top end of a rectangular penetrating pipe for dust falling firstly, and then the external air is led into the electric box body through an air inlet pipe; the air volume can be ensured to be large enough, and sand wind is prevented from entering the interior of the electric box body.

The invention discloses streptomyces cinnamomi DHJ986 and an application thereof, and belongs to the technical field of plant disease control, the streptomyces cinnamomi DHJ986 is preserved in Guangdong Microbiological Culture Collection Center on February 15, 2023, the preservation date is February 15, 2023, and the preservation number is GDMCC NO.63170. The invention further discloses a preparation method of the streptomyces cinnamomi DHJ986. The streptomyces cinnamomi is applied to prevention and treatment of plant diseases, and the plant diseases comprise diseases caused by fusarium oxysporum, botrytis cinerea, alternaria alternata, clostridium laticum, phytophthora sojae and tobacco root rot. According to the invention, plant diseases can be effectively prevented and treated, the morbidity of plants is obviously reduced, and a certain promotion effect on the root growth of the plants is achieved.

The utility model relates to the technical field of fireproof doors, in particular to a steel heat-insulation fireproof door leaf which comprises a door frame, two door plates hinged to the middle of the door frame, flame-retardant assemblies installed in the door plates, sliding rods connected in the door plates in a sliding mode, sliding plates fixedly connected to the upper sides of the sliding rods, and push plates fixedly connected to the bottoms of the sliding rods. A mounting plate is fixedly connected to the upper side in the door plate, a plurality of nozzles are mounted on the front side of the mounting plate, a first cavity is formed in the bottom side in the door plate and filled with expanded graphite, and a second cavity is formed in the upper side in the door plate and filled with a dry powder extinguishing agent. According to the steel heat-insulation fireproof door leaf, by arranging the expanded graphite, the expanded graphite expands rapidly after being heated and generates gas, the push plate and the sliding rod are pushed, and therefore the dry powder fire extinguishing agent is pushed to be sprayed out through the spray head, and rapid automatic fire extinguishing is achieved. By means of the automatic response mechanism, the rapid response capacity in the initial stage of the fire disaster is greatly improved, and losses possibly caused by the fire disaster are reduced.

The utility model relates to the technical field of damp-proof and dry maintaining devices, in particular to a building underground structure damp-proof and dry maintaining device which comprises a basement wall body, the inner wall of the wall body is coated with a damp-proof coating to reduce the damp risk of the wall body, and a damp-proof layer is fixedly arranged on the outer side of the wall body to effectively prevent underground water or rainwater from leaking. Meanwhile, the interior of the basement is kept dry and comfortable, a heat preservation layer is fixedly arranged on one side of the damp-proof layer, a waterproof and vapor-proof layer is arranged on one side of the heat preservation layer, moisture and water vapor are prevented from entering the basement through dual protection, an empty layer and a pipeline are arranged between the heat preservation layer and the waterproof and vapor-proof layer, and moisture is allowed to enter the interior of the pipeline from the empty layer; the water-proof and vapor-proof layer is used for pumping water and discharging the water to the outside through a negative pressure pumping device, dry air is introduced, the humidity of the empty layer and the wall body is reduced, the dry state is maintained, a flow guide plate used for preliminary moisture prevention is fixedly arranged on one side of the water-proof and vapor-proof layer, and a fixing box used for collecting permeated water is clamped to the bottom of the flow guide plate.

The invention belongs to the technical field of medicines, and particularly relates to application of NOTCH3 serving as a target spot to preparation of a pharmaceutical composition for treating bladder cancer. The invention relates to a targeted inhibitor of NOTCH3, which is shRNA (short hairpin ribonucleic acid). Experimental results show that NOTCH3 is a key oncogene of bladder cancer and can be used as a therapeutic target of bladder cancer, and an inhibitor of NOTCH3 can be used for preparing a pharmaceutical composition for treating bladder cancer.

The application provides a mucosal lactobacillus with anti-feline pestivirus pathogenic effect and application thereof, and relates to the technical field of probiotics, veterinary medicine and pet health care. The mucosal lactobacillus with anti-feline pestivirus pathogenic effect is named mucosal lactobacillus WH-3221, and is preserved in the China Center for Type Culture Collection with a preservation number of CCTCC NO: M 2026683. The mucosal lactobacillus WH-3221 can realize protection of intestinal barrier by regulating intestinal metabolic product spectrum, and has an anti-feline pestivirus effect, thereby significantly reducing the mortality of cats infected with feline pestivirus and relieving clinical symptoms. The mucosal lactobacillus WH-3221 or a probiotic preparation containing the mucosal lactobacillus WH-3221 can be used for preparing products for preventing and / or treating diseases or symptoms caused by feline pestivirus infection, and for preparing products for regulating the intestinal metabolic product spectrum of cats, and has a wide application prospect.

The utility model discloses an ecological floating island with a chemical water purification mode, which belongs to the technical field of water purification devices and comprises a plastic net floating body, a power device is arranged below the plastic net floating body, a nitrifying bacteria feeding device is arranged below the power device and comprises a nitrifying bacteria culture dish, and the nitrifying bacteria culture dish is connected with the power device. And a feeding nozzle is arranged below the nitrifying bacteria culture dish. The ecological floating island with the chemical water purification mode is simple in structure and easy to operate, aquatic plants are planted on the plastic net floating body, flocculated objects are generated at the roots of the aquatic plants, so that a very small amount of nitrogen in impurities in a water body is adsorbed, the power generation blade amplitude and the rotating shaft rotate through water flow, and the water purification effect is achieved. Power brought by rotation is converted into electric power in the electric generator, the nitrifying bacteria culture dish can work continuously, nitrifying bacteria can be put through the putting spray head, and the ecological floating island can weaken scouring and invasion of water flow to the bank side.

The invention discloses a soothing gel composition and a preparation method thereof, and belongs to the technical field of gel. The soothing gel composition comprises the following components based on the total mass of the soothing gel composition: 8.5000% of a humectant; 5.9000% of a skin conditioning agent; 2.0000% of a surface active agent; 0.5300% of a thickening agent; 0.2000% of an astringent; 0.0800% of a preservative; 0.0500% of a repairing agent; 0.0003% of a coloring agent; 0.1130% of a soothing factor; 82.6267% of a solvent; the soothing factor is prepared from an abelmoschus esculentus flower extract, aloe barbadensis leaf juice, a scenedesmus sibiricus extract, a kalimeris crassifolia extract and sclerotium gum; the soothing effect of the soothing gel composition is improved through the synergistic interaction effect of the mallow flower extract, the aloe barbadensis leaf juice, the scenedesmus western extract, the kalimeris crassifolia extract and the sclerotium rolfsii gum.

The utility model relates to a novel fireproof down lamp, including lamp stand, lamp shade and fireproof cover, the lamp shade is installed in the lower part of lamp stand, the fireproof cover covers on the lamp stand, the lamp shade and the fireproof cover are all fireproof material, the fireproof cover has the side plate, the fireproof cover is a cylindrical cylinder and is constituted by the side plate and the top plate, the lamp shade is the conical frustum appearance structure, has the curved surface side cover plate, when the fireproof cover covers on the lamp stand, the side plate extends downward and is in contact with the curved surface side cover plate. The utility model discloses through the lamp shade and the fireproof cover of fireproof material completely cover the light fixture mounting hole on the ceiling, even if the lamp stand meets the open fire and is burnt, the fireproof cover still is in contact with the curved surface side cover plate under the action of gravity, still can effectively block the path that the flame directly intrudes upwards on the ceiling.

The invention provides a spleen-tonifying and detoxifying traditional Chinese medicine composition as well as a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicines. The traditional Chinese medicine composition comprises a formula A and a formula B. The traditional Chinese medicine composition has a comprehensive conditioning effect and can relieve chemotherapy side effects, improve intestinal flora distribution, promote intestinal health, enhance the chemotherapy effect and improve the disease control rate. Wherein the formula A focuses on tonifying spleen and regulating qi, and improving nausea, vomiting and other symptoms at the initial stage of chemotherapy, and the formula B is added with medicines for clearing away heat and toxic materials and promoting blood circulation to remove blood stasis on the basis, is suitable for patients with myelosuppression with cancer toxicity residue, and strengthens the effects of clearing away heat and toxic materials and removing stasis; the composition has a multi-target action mechanism, and through the combined action of multiple ways, the treatment effect is enhanced, and the side effect is reduced.

The invention discloses a tensile and corrosion-resistant optical fiber steel wire and a preparation method thereof, and relates to the technical field of optical fibers, the outer side of an optical fiber body is wrapped with first insulating skins, the outer sides of the first insulating skins are wrapped with second insulating skins, the outer sides of the second insulating skins are symmetrically sleeved with two metal rings in a gluing mode, and the two metal rings are connected with the outer sides of the first insulating skins. A plurality of symmetrical semicircular metal rings are distributed on the outer side of the second insulation skin at equal intervals, the intervals of the metal rings distributed at equal intervals are filled with heat storage materials, the multiple steel wire bodies are symmetrically and completely embedded into grooves in the outer walls of the metal rings at equal intervals, and the first heat insulation cotton layer is pasted to the back faces of the metal rings in a glued mode. The waterproof layer is sleeved with the second heat insulation cotton layer. According to the invention, the steel wire body is completely embedded into the groove at the outer side of the metal ring, so that the force required for cutting the insulating sheath II by an external cutter can be increased, and the steel wire body does not deviate under the external pressure, thereby improving the safety of the optical fiber body.

The utility model provides an exposed frame photovoltaic curtain wall which is installed on a building and comprises a curtain wall structure frame composed of stand columns and cross beams, the stand columns and the cross beams are provided with wiring grooves, and groove openings of the wiring grooves are provided with cover plates. The photovoltaic module comprises a photovoltaic panel and a junction box arranged on one side of the photovoltaic panel, a photovoltaic cable is arranged in the wiring groove, the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box in a penetrating mode, and the photovoltaic cable is matched with the cover plate through the space in the wiring groove to achieve hidden wiring.

A connecting structure of a glass fiber reinforced plastic desulfurizing tower chimney comprises a fixing pipe installed at the top end of a desulfurizing tower body, the bottom end of the chimney can be inserted into the fixing pipe, and the chimney and the fixing pipe are fixed through a flange assembly; two hoop-shaped sleeves are arranged on the outer side of the joint of the fixing pipe and the chimney, one ends of the two hoop-shaped sleeves are hinged, and the other ends of the two hoop-shaped sleeves are detachably fixed to the outer side of the flange assembly through fixing pieces and wrap the flange assembly. Reinforcing assemblies are installed on the outer sides of the two hoop-shaped sleeves and connected with the top end of the desulfurizing tower body. The hoop-shaped sleeve can support the connecting position, the connecting strength of the connecting position is improved, the reinforcing assembly is designed on the outer side of the hoop-shaped sleeve, the hoop-shaped sleeve can be connected with the top of the desulfurizing tower through a plurality of ropes, the traditional mode that a chimney is fixed to the ground is replaced, the number of the ropes is reduced, and the overall space can be saved; and the fixing strength of the chimney can be effectively enhanced.

The invention discloses a super-hydrophobic organic-inorganic composite oxygen permeation membrane, a preparation method thereof and application of the super-hydrophobic organic-inorganic composite oxygen permeation membrane in a lithium-air battery. The super-hydrophobic organic-inorganic composite oxygen permeation membrane comprises a PDMS membrane and a carbon deposition layer deposited on the PDMS membrane. The carbon layer is deposited on the surface of the PDMS film, so that the PDMS film has excellent hydrophobic performance and mechanical stability, can slow down invasion of moisture in air under various relative humidity, provides sufficient oxygen for a battery, and maintains long-term operation of the battery.

The present invention discloses an antagonistic bacterial strain Streptomyces cinnamonensis and its application, which belongs to the technical field of plant disease prevention and control, Streptomyces cinnamonensis DHJ986, deposited by Guangdong Microbial Culture Collection Center, deposited on February 15, 2023, and deposited on GDMCC NO.63170. Streptomyces cinnamonensis is used in plant disease prevention and control, and plant diseases include diseases caused by Fusarium oxysporum, Botrytis cinerea, Alternaria alternata, Fusarium cynaroides, Phytophthora sojae and tobacco root rot. The present invention can effectively prevent and control plant diseases, significantly reduce the incidence of plants, and has a certain promoting effect on the root growth of plants.

The invention relates to a cooling agent and a preparation method thereof, and relates to the field of food additives, and the cooling agent comprises the following components in parts by mass: 40-60 parts of a freshener, 1-3 parts of an emulsifier, 30-40 parts of long-chain alkyl modified starch, 20-30 parts of sulfonated chitosan, 0.4-0.8 part of a cross-linking agent, 5-10 parts of a compound cooling improver, 1-3 parts of an antioxidant and 0.5-1 part of an anti-light agent. The preparation method comprises the following steps: preparing a core material emulsion from a freshener, an emulsifier and a compound cool taste improver, preparing a long-chain alkyl modified starch solution, and preparing a mixed solution from sulfonated chitosan, an antioxidant and an anti-light agent; preparing a cross-linking agent solution; adding the core material emulsion into the long-chain alkyl modified starch solution while stirring to obtain an emulsion; adding the mixed solution into the emulsion while stirring, adding a cross-linking agent solution, and stirring for reaction after adding to obtain a suspension; and centrifuging, washing and drying the suspension to obtain the cooling agent. The cooling effect and stability of the cooling agent can be improved.

The invention discloses a preparation method of a medical PTFE etched tube, and relates to the technical field of medical apparatus and instrument manufacturing. The method comprises the following steps: firstly, drying a pipe through an ultrasonic cleaning and drying machine; then plasma surface activation treatment is carried out to enhance the surface performance, and then etching is carried out under the assistance of a rotary conveying device to ensure uniformity; and finally, through multi-stage pure water rinsing and clean hot air drying, it is ensured that the surface of the pipe is clean and free of impurities. According to the method, the interface property of the material is improved, the surface tension is reduced, and the corrosion resistance and oxidation resistance of the material are improved.

The present invention discloses the use of human EIF3A gene and related drugs. The present invention discloses the use of human EIF3A gene in tumor treatment, tumor diagnosis and drug preparation. The present invention further constructs human EIF3A gene small molecule interfering RNA, human EIF3A gene interfering nucleic acid construct, human EIF3A gene interfering lentivirus and discloses their uses. The siRNA or nucleic acid construct and lentivirus containing the siRNA sequence provided by the present invention can specifically inhibit the expression of human EIF3A gene, especially lentivirus, can efficiently infect target cells, efficiently inhibit the expression of EIF3A gene in target cells, thereby inhibiting the growth of tumor cells and promoting tumor cell apoptosis, which is of great significance in tumor treatment.