62results about How to "Pollution suppression" patented technology

The invention discloses a phage inhibitor and application thereof. The phage inhibitor is prepared from the following components in parts by weight: 30 to 60 parts of carboxymethylated hippophae rhamnoides polysaccharide, 1.8 to 2.2 parts of citric acid, 2.3 to 2.7 parts of sodium citrate, 0.8 to 1.2 parts of D-sodium gluconate, 4 to 6 parts of dihydroxyethyl glycine, 1.8 to 2.2 parts of sodium hexametaphosphate and 0.8 to 1.2 parts of oxalic acid, and the amount of sodium hydroxide is added according to the pH value during solution preparation. The product is designed into a mixed prefabricated product; or liquid with various concentrations can be prepared and diluted according to needs during use. When the product is applied to a prokaryotic expression system, the pollution of phage to cells can be effectively inhibited, the efficiency and quality of scientific research and production are remarkably improved, and a more leisurely fermentation environment is provided for scientific research personnel. Meanwhile, the carboxymethylated sea-buckthorn polysaccharide, the citric acid, the sodium citrate and the oxalic acid contained in the phage inhibitor have a synergistic effect, so that the inhibition effect of the phage inhibitor on the phage can be remarkably improved.

The breaking hammer with the intelligent dust suppression system comprises a breaking hammer body, the breaking hammer body comprises a shell, a top plate is arranged at the top of the shell, a top dust removal device is arranged at the top of the top plate, a connecting support is arranged at the top of the top dust removal device, and the connecting support is used for being connected with a connecting system of an excavator or a loader; a bottom dust removal device is arranged at the bottom of the shell, a core body is arranged in the shell, the lower end of the core body is connected with a drill rod, and the drill rod penetrates out of the bottom dust removal device; the top dust removal device is connected with an external water pipe, the external water pipe is connected with a water supply system of the excavator or the loader, and a conveying water pipe is connected between the top dust removal device and the bottom dust removal device. The breaking hammer foot valve is connected with the electromagnetic valve in an output signal mode, when the foot valve is treaded, namely the breaking hammer is started to work, the electromagnetic valve receives a pressure signal and an output port is reversed at the moment, and liquid is conveyed to the breaking hammer dust removal device through the water pipe and sprayed through a nozzle arranged on the dust removal device at the moment.

The invention discloses a straw powder filled biodegradable composite material and a preparation method thereof, and relates to the technical field of biodegradable composite materials, the preparation method of the biodegradable composite material comprises the following steps: S1, pretreating straw; s2, impurities are removed through winnowing; s3, removing magnetic impurities; s4, cleaning and drying; s5, performing high-pressure steam treatment; s6, drying in the oven and crushing again; s7, adding into a high-speed mixer and mixing; s8, extruding the biodegradable composite material, and cooling and shaping the biodegradable composite material; and S9, cutting and polishing are conducted, and performance testing is conducted. The biodegradable composite material is prepared from agricultural waste, waste accumulation is reduced, sustainable development is promoted, the straw powder filled biodegradable composite material has biodegradability, high strength and good processability, and the straw powder filled biodegradable composite material is suitable for large-scale production. The problems of reducing agricultural wastes, enhancing mechanical properties and environmental protection performance, improving processability and reducing raw material cost can be solved.

The invention belongs to the technical field of one-dimensional synthetic aperture near-shore data processing, and relates to a one-dimensional synthetic aperture microwave radiometer near-shore brightness temperature increasing method based on node sampling, which comprises the following steps: initializing parameters, and carrying out oversampling processing on frequency domain signals containing Gibbs pollution; nodes in the oversampling brightness temperature image are searched through positive and negative values of a second derivative, and common nodes and abrupt change nodes are screened; performing iterative correction on the common nodes, including calculating a high-resolution Laplacian operator, updating brightness temperature values of the common nodes, and performing loop iteration; brightness temperature correction is performed on the abrupt change node, a trend factor is calculated according to the brightness temperature difference value of the nearest adjacent node, and the brightness temperature value of the abrupt change node is updated; and outputting the corrected near-shore data brightness temperature value. According to the method, Gibbs oscillation elimination and sea-land buffer area reduction are carried out by using a node sampling method, and on the basis that iteration of all common nodes is completed, mutation nodes are corrected by calculating trend factors, so that the purpose of reducing the sea-land buffer area is achieved.

The invention discloses an underwater target detection method based on differential attention. The method comprises the following steps: acquiring an underwater image to be detected; based on the underwater image data set, constructing a lightweight underwater target detection network model based on a differential attention mechanism; constructing a joint loss function, and performing end-to-end training on the lightweight underwater target detection network model to obtain a trained lightweight underwater target detection network model; performing mathematical equivalence fusion on the lightweight underwater target detection network model to generate a lightweight reasoning model; and inputting the obtained underwater image to be detected into the lightweight reasoning model to realize target detection of the underwater image. According to the method, a differential attention feature interaction mechanism is introduced, common-mode noise is stripped through differential calculation, and the detection precision and real-time performance of an underwater fuzzy scene and a tiny target are remarkably improved in combination with a feature pyramid network integrating dynamic scale perception and semantic gating.

The utility model provides an alloy grading screening device, which belongs to the technical field of alloy screening and comprises a screening box, and a feed inlet and an exhaust inlet are arranged at the top of the screening box. A screen plate assembly and a screen mesh assembly which are obliquely arranged are installed in the screening box. The oblique low end of the screen plate assembly is connected with a screen plate discharging table. The inclined low end of the screen assembly is connected with the screen discharging table. A material collecting cavity is formed by the screen assembly and the bottom of the screening box, and one side of the material collecting cavity is connected with a material collecting and discharging table; a material pushing mechanism is arranged in the material collecting cavity and comprises a reciprocating screw rod and a guide rod which are parallel to the bottom of the screening box, the reciprocating screw rod and the guide rod are sleeved with a push plate, and the bottom of the push plate abuts against the bottom of the screening box; a servo motor is arranged outside the side wall of the screening box, and the output end of the servo motor is connected with the reciprocating lead screw. When the device runs, materials are in a relatively sealed environment, raised dust is not easy to generate, the working environment is improved, the screening and grading effects of the materials are improved through the design of the multi-stage screen, and the waste rate of products is reduced.

This invention discloses a method for preparing fermented Chinese medicine wine, comprising the following steps: S1: Preparing brewing grains by weight, soaking, steaming, and treating with saccharifying enzymes to obtain saccharified grains; S2: Treating Chinese medicinal materials with compound enzymes to obtain enzymatically hydrolyzed Chinese medicinal materials; S3: Mixing the saccharified grains and enzymatically hydrolyzed Chinese medicinal materials, adding yeast for anaerobic fermentation to obtain fermented material; S4: Distilling and aging the fermented material to obtain fermented Chinese medicine wine. The advantages of this invention compared to existing technologies are: providing a method for preparing fermented Chinese medicine wine that achieves efficient release and full conversion of the effective components of Chinese medicinal materials, ensuring a mellow flavor and stable quality.

Disclosed are a mixed refrigerant composition and a heat pump including the same. A mixed refrigerant composition according to an exemplary embodiment may include a carbon dioxide (carbon dioxide, R-744), a 2, 3, 3, 3-tetrafluoropropene (2, 3, 3, 3-tetrafluoropropene, R-1234yf), and a trifluoro-iodomethane (R-13I1), and may be used to prepare a refrigerant composition for an internal combustion engine. The content of carbon dioxide (R-744) may be 1 wt% to 10 wt% of the total weight of the mixed refrigerant composition, and the sum of the content of 2, 3, 3, 3-tetrafluoropropene (R-1234yf) and the content of trifluoroiodomethane (R-13I1) may be 90 wt% to 99 wt% of the total weight of the mixed refrigerant composition. The boiling point of the mixed refrigerant composition at 1 atm may be from-76 DEG C to-35 DEG C. The mixed refrigerant composition and the heat pump including the same can inhibit the ozone layer from being damaged and other environmental pollution.

Provided is a blood collection container capable of suppressing contamination of plasma by white blood cells and components in white blood cells. A blood collection container according to the present invention includes a blood collection container main body, a plasma separation material stored in the blood collection container main body, and an aqueous solution stored in the blood collection container main body, in which a solute contained in the aqueous solution contains an anticoagulant, and a total concentration of the solute in the aqueous solution is 100 mM or more and 450 mM or less, or 1200 mM or more.

The application belongs to the technical field of robot environment perception and three-dimensional reconstruction, and discloses a quadruped robot multi-source information fusion mapping method and device based on factor graph optimization. The foot end odometer of the quadruped robot is introduced into the factor graph optimization framework as an independent constraint factor, and in the environment with missing or degenerated laser point cloud features, the motion constraint is provided, and the robustness of the system is fundamentally improved. An adaptive noise model based on the foot end contact state is designed, the confidence of the foot end odometer factor can be dynamically adjusted according to the contact quality, strong constraints are provided during normal walking, the weight is automatically reduced when slipping, and the pollution of the system caused by the false information is effectively inhibited. The tight coupling optimization of the laser radar, the IMU and the foot end kinematics information is realized, instead of loose coupling or post-fusion, so that the multi-source sensor information is deeply complementary at the state estimation level, and the overall estimation accuracy under complex terrain and dynamic motion is significantly improved.

The invention discloses a preparation method of a formaldehyde-free high-performance vegetable protein adhesive. According to the formaldehyde-free high-performance vegetable protein adhesive disclosed by the invention, the addition of the plant-based degerming agent brings remarkable beneficial effects to the formaldehyde-free high-performance vegetable protein adhesive. Firstly, tea polyphenol, aloe extract, honeysuckle flower extract, antibacterial silver ions and other components in the degerming agent endow the adhesive with excellent antibacterial performance, growth of bacteria and mould is effectively inhibited, and the service life of the adhesive is prolonged. Meanwhile, due to the moisturizing effect of the hyaluronic acid and the glycerol, the water resistance of the adhesive is improved, and it is ensured that the adhesive can still keep a stable bonding effect in a humid environment. In addition, the thickening effect of the xanthan gum enhances the bonding strength of the adhesive, so that the adhesive is firmer in the application process. The natural plant extract and essential oil components in the plant-based degerming agent not only improve the environmental friendliness of the adhesive, but also bring natural fragrance to the adhesive, improve the use experience, and bring more environment-friendly, healthy and efficient choices to the adhesive industry.

The invention relates to the technical field of plant tissue culture, in particular to application of amphotericin B in inhibition of endophyte pollution of ancient cinnamomum camphora stem tissue culture. It is found that amphotericin B can effectively inhibit endophyte pollution in the ancient cinnamomum camphora stem tissue culture process, meanwhile, it is avoided that high-concentration antibiotics generate a toxic effect on stem induction, the stem induction endophyte pollution rate in the tissue culture process is effectively reduced and can be reduced to 6%, the stem induction rate can still reach 78%, and the tissue culture cost is reduced. The bottleneck problem of endophyte pollution in the ancient cinnamomum camphora stem tissue culture process is solved, and technical support is provided for efficient propagation and preservation of precious germplasm resources of ancient cinnamomum camphora.

The invention provides a resin composition capable of inhibiting pollution of a forming roller and preventing foreign matters from appearing on a film, a film, a polarizing plate, a manufacturing method of the resin composition, and a manufacturing method of the film. Provided is a resin composition which contains 0.05-10 parts by mass of a compound having 1-3 cyclic ether structures per molecule per 100 parts by mass of a polyamide resin, and which has a haze of 10% or less when made into a film having a thickness of 200 [mu] m.

The invention provides an asphalt inhibitor for water-based drilling fluid and a preparation method of the asphalt inhibitor, and relates to the technical field of oilfield chemistry. The asphalt inhibitor is obtained by ammoniating polyethylene glycol, polypropylene glycol or ethylene glycol / propylene glycol copolymer at high temperature and high pressure. The finally prepared inhibitor has a good inhibition effect on asphaltene invading into water-based drilling fluid and can be applied to well drilling of oil sand-containing and asphalt-containing stratums or heavy oil stratums so as to avoid asphalt pollution.

The application discloses a dynamic charging mode switching system and method based on cloud intelligent prediction and belongs to the technical field of electric energy storage systems, and comprises the following steps: generating a sampling record sequence according to a sampling period, and generating a historical sample after deducting a control influence according to the sampling record sequence; generating a predicted available current sequence and a remaining charging amount of a vehicle based on the historical sample and the sampling record sequence; generating a dynamic charging mode switching result according to the predicted available current sequence, the remaining charging amount of the vehicle and the latest sampling record, and converting the dynamic charging mode switching result into control content executable by a charging pile. The application clearly defines the corresponding relationship between the prediction sample and the actual charging constraint by deducting the control influence in the historical sample, effectively solves the problem that the mode label does not directly correspond to the actual operation condition, and causes the historical sample to be mixed with controlled changes and to affect the accuracy of the next period mode switching.

The application provides a building fire-fighting early warning system and method, and belongs to the technical field of building fire-fighting safety. The application synchronously collects temperature, smoke concentration and carbon monoxide concentration data in each monitoring area of a building, calculates the deviation degree of sensor sliding window variance and baseline variance, evaluates the reliability index of each sensor in real time and generates adaptive fusion weight, simultaneously detects and isolates the fault sensor through time sequence deviation residual analysis, evaluates the consistency between sensors and generates a correction weight, relies on the dynamic update of the environment baseline based on the exponential weighted moving average, generates a graded early warning threshold for each area and triggers the corresponding response measures. The application effectively improves the robustness of the system under the condition of sensor failure, enhances the fusion accuracy in the multi-sensor conflict scene, realizes the early prediction of the fire spread situation, reduces the false alarm rate while maintaining a high fire detection sensitivity and a short detection response time.

The present application relates to atomization delivery device technical field, especially in pneumatic control's atomization guide device, including casing, liquid guide device, air pump, controller and injection mixing assembly, the casing is equipped with bottle mouth connection cavity, the bottle mouth connection cavity is used for with the bottle mouth of liquid storage bottle can be detached seal connection;The bottle mouth connection cavity is equipped with one-way air supplement valve, the one-way air supplement valve is communicated with the outside and the inside of the liquid storage bottle, in order to be supplemented to the liquid storage bottle air;The injection mixing assembly has gas inlet, suction inlet and mixing outlet, and includes the gas nozzle, throat and pressure recovery section that are communicated in turn, wherein, the gas inlet is communicated with the gas nozzle, the suction inlet is communicated with the low pressure area of the throat, and the mixing outlet is communicated with the pressure recovery section;Mixed gas-liquid two-phase mixed flow through the mixing outlet enters the liquid guide inlet and is atomized by the atomizing nozzle and is output, realizes the effect that spraying output is more continuous, atomization is more uniform.

The invention discloses a ceramic green surface bubble identification method based on machine vision, particularly relates to the field of image processing and surface defect detection, and is used for solving the problem of false detection caused by artifacts generated by bubble brightness overturning and mirror surface reflection of a green glaze surface under different illumination. A first illumination image and a second illumination image are collected, an alignment image group is established, local illumination normalization and peripheral texture compensation are executed to form a highlight texture removal image group, a symmetric residual image and an abnormal response are calculated to obtain a candidate region set, and the candidate region set establishes corresponding association in the alignment image group to obtain a highlight texture removal image group. Extracting a main reflection direction and calculating a slip normalization quantity of the main reflection direction and a slip normalization quantity of a vertical reflection direction, outputting bubble credibility through logistic regression, dividing a bubble region and a reflection artifact region, generating a bubble mask to update a reference texture, updating a highlight compensation model through the reflection artifact region, and performing consistency verification on a compensation result. And outputting a bubble recognition result.

This utility model discloses a silicon carbide substrate wafer annealing fixture, belonging to the field of semiconductor manufacturing equipment technology. The annealing barrel of this silicon carbide substrate wafer annealing fixture is formed by the joining of two symmetrically arranged annealing half-barrels. The side walls connecting the two annealing half-barrels are respectively provided with mutually cooperating protrusions and mating grooves for positioning and fitting, thus enclosing the two annealing half-barrels together to form a closed annealing cavity, the interior of which has a groove for supporting the silicon carbide wafer. A lifting shaft is connected to the annealing barrel through a fixing component, used to drive the closed annealing cavity to perform lifting and rotating movements. The lifting shaft drives the annealing barrel to perform lifting and rotating movements, significantly improving the heating uniformity of the wafer during high-temperature annealing. The dynamic adjustment function can alleviate thermal stress caused by differences in the thermal expansion coefficients of materials during heating and cooling, preventing wafer warping or cracking.

The invention relates to a closed efficient dust removal coke barrier car which comprises a coke guide device, a dust removal device and a lifting device which are arranged on a coke barrier car body, the dust removal device is arranged on the outer side of the coke guide device in a sealed mode, a maintenance opening is formed in the upper portion of the coke guide device, and the lifting device can stretch into the maintenance opening. The dust removal device comprises a fixed dust collection cover, a water curtain dust removal assembly and a dust removal fan, the fixed dust collection cover is arranged on the outer side of the coke guide device in a sealed mode and communicates with the water curtain dust removal assembly, and the water curtain dust removal assembly communicates with an air inlet of the dust removal fan; and the movable dust collecting cover is butted with the coke oven. The dust is not driven by hot air flow caused by temperature difference, air is isolated from hot coke, the problem of environmental pollution is directly solved from the source, the dust removal rate can reach 99% or above, meanwhile, the loss of coke powder is also solved, a high-energy-consumption ground dust removal station can be replaced, and the investment cost and the operation cost are reduced.

Provided is a surface protective film including an adhesive layer, the surface protective film exhibiting both excellent antistatic performance and suppression of contamination of an adherend. A surface protective film according to an embodiment of the present invention comprises an adhesive layer comprising a urethane-based adhesive comprising a urethane polymer, the urethane-based adhesive being formed from a urethane-based adhesive composition, the urethane-based adhesive composition contains a base polymer (A), a silicone-based compound (B), and an ionic compound (C), and has a glass plate surface resistance value of 5.0 * 1010 [Omega] or more.

A negative electrode for a secondary battery according to an exemplary embodiment may include: a negative electrode current collector; a first negative electrode active material layer that is provided on at least one surface of the negative electrode current collector and contains a first negative electrode active material containing a first silicon composite oxide; and a second negative electrode active material layer that is provided on the first negative electrode active material layer and contains a second negative electrode active material containing a second silicon composite oxide. The first silicon composite oxide and the second silicon composite oxide may each include a metal, and the BET specific surface area of the first silicon composite oxide and the second silicon composite oxide may be 2.0-6.5 m2 / g. Therefore, the charging / discharging capacity of the negative electrode can be increased while the stability of the negative electrode can be improved.

The invention relates to the technical field of concrete recycling equipment, and discloses a bridge construction excess concrete recycling device which comprises a supporting frame, a crushing box is fixedly connected to the right side of the top of the supporting frame, a pre-crushing mechanism is arranged on the inner wall of the crushing box, and the pre-crushing mechanism is used for crushing large-particle substances of the excess concrete. A screen frame is rotatably connected to the right side of the inner wall of the supporting frame, a screening mechanism is arranged on the inner wall of the screen frame and used for screening impurities in concrete excess materials, a stirring box is fixedly connected to the right side of the inner wall of the supporting frame, and a spraying mechanism is arranged on the inner wall of the stirring box. A hydraulic cylinder drives a connecting rod and a connecting sleeve to move left and right, then an arc-shaped extrusion block is extruded, toothed plates are driven to move outwards along telescopic holes, the distance between every two adjacent toothed plates is adjusted, the device can adapt to crushing of concrete with different condensation degrees, the use range of the device is widened, and the service life of the device is prolonged.

The application discloses a continuous preparation method for cyclopropanation reaction by using a microreactor. The method adopts a three-stage series connection bottom-spraying microreactor system, realizes efficient and safe cyclopropanation reaction through gradient catalysis design and precise temperature control. The reaction system comprises olefins, diazomethane precursors, lye and solvents, wherein the catalyst adopts single-atom palladium gradient distribution design loaded on SBA-15 and CeO2. The three-stage series connection bottom-spraying microreactors are controlled at different temperatures respectively. The process is simple, high conversion rate is realized, safety is high, and cost is reduced.

Provided is a cured product which can be easily coated with a marking ink on the surface, has excellent adhesiveness with the cured marking ink, and can form a mark having excellent visibility of characters and marks on the surface. The cured product is composed of a curable resin composition, the curable resin composition contains a curable resin and an inorganic filler, the inorganic filler contains amorphous silica, and the average linear expansion coefficient of the cured product having a thickness of 20 [mu] m is 70-100 ppm / DEG C when the temperature changes from 0 DEG C to 180 DEG C.

The present invention is a method for manufacturing an SOI wafer including: a step of forming a silicon oxide film by thermal oxidation on an entire surface of a base wafer containing a dopant; and bonding a main surface of a bond wafer to a first main surface of the base wafer via the silicon oxide film, where the method further includes, prior to the thermal oxidation step, a step of forming a CVD insulator film on a second main surface of the base wafer; and a step of forming, on the first main surface of the base wafer, a barrier silicon layer containing a dopant at a lower concentration than a dopant concentration of the base wafer, and in the thermal oxidation step, the barrier silicon layer is thermally oxidized to produce a barrier silicon oxide film, and in the bonding step, the bond wafer is bonded to the base wafer via the barrier silicon oxide film as a part of the silicon oxide film. This provides a method for manufacturing an SOI wafer that can manufacture an SOI wafer while suppressing contamination of an SOI layer caused by incorporation of the dopant of the base wafer.

The high-temperature-resistant brake pad material is prepared from the following raw materials in parts by weight: 18 to 22 parts of boron modified phenolic resin, 10 to 15 parts of modified carbon fiber, 4 to 7 parts of aramid fiber, 9 to 13 parts of ferrotitanium powder, 10 to 15 parts of potassium magnesium titanate lamellar crystal, 3 to 5 parts of nitrile rubber powder, 4 to 6 parts of natural graphite, 3 to 5 parts of petroleum coke, 5 to 8 parts of barite and 3 to 5 parts of aluminum oxide. According to the high-temperature-resistant brake pad material, boron-modified phenolic resin serves as a base body, functional components such as modified carbon fibers, aramid fibers, ferrotitanium powder and potassium magnesium titanate lamellar crystals are matched, and through the reasonable formula design and the forming technology, on the basis that it is guaranteed that a brake pad has the excellent friction and wear performance, the high-temperature-resistant brake pad material is obtained; the thermal stability and the interface bonding strength of the material under the high-temperature working condition are remarkably improved, and the problems that a traditional brake pad material is prone to heat fading and interface stripping under the high-temperature braking condition are solved.

An inkjet recording apparatus includes a recording head, a transport member, a control unit, an ink recovery unit, an ink passage, and a suction unit. The ink passing path is formed between the conveying member and the ink receiving portion. The suction part is connected to the ink receiving part and sucks the ink passing through the opening part and air in the ink passing path. The conveyance member has an air flow hole formed on the upstream side of the opening with respect to the conveyance direction. The interval between the opening portion and the air circulation hole in the conveying direction is smaller than the width of the ink passing path in the conveying direction.

The combine harvester includes: a harvesting device (H) for harvesting crops from the field; a conveying device (16) for conveying the crops harvested by the harvesting device (H); a threshing device (13) for threshing the crops supplied by the conveying device (16); and a sensing device (X) for sensing the situation of soil being acquired into the harvesting device (H).

The present application can maintain the laminar flow with high wind speed, and can greatly inhibit the pollution caused by the operation of the device and the operation of the device by the person. The safety cabinet has an opening part of the front surface of the work chamber and a front surface door plate, and clean air is supplied to the work chamber from the upper direction, wherein a partition plate is arranged on the left and right side surfaces and the back surface of the upper side of the work chamber, and a partition piece is also arranged on the upper side in front of the work chamber.