42results about How to "Good sedimentation" patented technology

The invention relates to a compound corrosion and scale inhibitor which comprises the following raw materials according to mass ratio: 15%-30% of organic phosphonic acid, 10%-20% of acrylic acid or acrylic acid copolymer, 2%-10% of poly-maleic acid, 1%-3% of azole ramifications, 15%-30% of multivariate organic sulfonate, 2%-6% of dimethyl formamide and 20%-35% of water. The compound corrosion and scale inhibitor of the invention is used for a system which employs normal water as circulating cooling water, so as to solve corrosion problem caused by circulating water of normal-water to equipment. Corrosion rate of copper product is lower than the national standard of 0.005mm / a, thereby generating no equipment scaling caused by calcium phosphate deposition. Compared with corrosion inhibitors of the same kind, the compound corrosion and scale inhibitor has a lower dosage and is effective in corrosion and scale inhibiting. The compound corrosion and scale inhibitor is simple in operation, convenient, quick, safe and efficient.

A fine particulate flux, an aqueous flux preparation comprising this flux, a method for the manufacture of a coated part of aluminum, aluminum alloys, steel, copper or titanium using such flux, and a method for brazing parts of aluminum or aluminum alloys to parts of aluminum, aluminum alloys, steel, copper or titanium using such flux. The flux can be obtained by sieving, or it can be obtained by removing solids, e.g., in a cyclone, from the drying gases obtained when wet fluxes are dried, especially after their manufacture. Fine particulate flux increases the viscosity of flux preparations comprising the flux dispersed in water or an aqueous or liquid organic carrier.

The invention relates to a compound corrosion and scale inhibitor which comprises the following raw materials according to mass ratio: 15%-30% of organic phosphonic acid, 10%-20% of acrylic acid or acrylic acid copolymer, 2%-10% of poly-maleic acid, 1%-3% of azole ramifications, 15%-30% of multivariate organic sulfonate, 2%-6% of dimethyl formamide and 20%-35% of water. The compound corrosion andscale inhibitor of the invention is used for a system which employs normal water as circulating cooling water, so as to solve corrosion problem caused by circulating water of normal-water to equipment. Corrosion rate of copper product is lower than the national standard of 0.005mm / a, thereby generating no equipment scaling caused by calcium phosphate deposition. Compared with corrosion inhibitorsof the same kind, the compound corrosion and scale inhibitor has a lower dosage and is effective in corrosion and scale inhibiting. The compound corrosion and scale inhibitor is simple in operation, convenient, quick, safe and efficient.

The invention discloses a preparation method of a nano drug-loading system of leaf surface affiliated pesticide. The method comprises the following steps: preparing a polylactic acid carrier, primaryemulsion and the nano drug-loading system, carrying out affiliated modification on the nano drug-loading system and the like. According to the nano drug-loading system of the leaf surface affiliated pesticide, disclosed by the invention, the average grain diameter range is 300nm to 800nm, the drug loading amount can reach 15 percent or more and the encapsulation rate reaches 75 percent or more; compared with an abamectin crude drug, traditional Chinese medicine components in the nano drug-loading system have remarkably improved the light stability, and the nano drug-loading system has a remarkable slow release effect. The preparation technology of the nano drug-loading system of the leaf surface affiliated pesticide is simple; the preparation cost and the equipment investment cost are low,pollutants are not generated and the quality of a product is stable and reliable; the leaf surface retention behavior of pesticide liquid drops can be remarkably improved. Therefore, the production method of the nano drug-loading system of the leaf surface affiliated pesticide has a very wide application prospect.

The invention discloses a device for treating oil dirt in sewage with a rotational flow method and a removal method of the oil dirt in sewage with rotational flow method. The device is composed of a sewage tank, a water conveying device, an oil removing and precipitation tank, a rotational flow oil collection device, a clean water discharging pipe, an oil dirt discharging pipe, a sludge discharging pipe, a sludge tank, a bracket and a control system, wherein sewage enters the oil removing and precipitation tank from the bottom through the water conveying device; treated clean water is discharged out of a tank body through the clean water discharging pipe; the oil dirt is discharged out of the tank body through the oil dirt discharging pipe; and impurities are discharged into the sludge tank through the sludge discharging pipe. The device for treating oil dirt in sewage with the rotational flow method and the removal method of the oil dirt, disclosed by the invention, have the advantages of novel and reasonable structure, high oil dirt removing rate and wide applicable range.

The invention discloses a broad-spectrum bactericidal difenoconazole thermal fog formulation and a preparation method thereof. The difenoconazole thermal fog formulation contains difenoconazole, a surface active agent, a solvent, a synergistic agent and a stabilizing agent, and the weight percentages are as follows: 1-40% of difenoconazole, 5-30% of surface active agent, 0.1-3% of synergistic agent, 0.01-2% of stabilizing agent, and remaining solvent. The invention has the characteristics of good and fast effects, labor saving, drug saving, no limitations of landforms, tree heights and water sources, convenient application, and the like, which is applied to controlling various plant diseases of crops in forested areas, gardens and greenhouse rooms, such as powdery mildew, scab, anthrax, rust disease, leaf spot, etc.

The technique to chemical plate Ni-B alloy on AZ91D surface comprises: treating the AZ91D alloy in solution with Na2CO3, Na3PO4 and polyethylene glycol octylphenyl ether, then cleaning in water; acid washing the alloy in solution with glacial acetic acid and NaNO3, then cleaning in water; chemical plating the alloy in solution with NiA, NaH2B, ethanediamine, NaOH and composite additive, finally, washing in water, and drying to obtain the target.

The invention discloses a mooring type agricultural unmanned aerial vehicle rubber tree floating-reducing pesticide applying system and method. The system comprises an unmanned aerial vehicle and an unmanned vehicle, and a spraying device is hung at the lower part of the unmanned aerial vehicle; a mooring cable for conveying electric energy to the unmanned aerial vehicle and conveying liquid pesticide to the spraying device is arranged between the unmanned vehicle and the unmanned aerial vehicle; the spraying device comprises an annular air curtain auxiliary pesticide applicator, the annular air curtain auxiliary pesticide applicator is composed of a pesticide spraying inner circular ring and an air spraying outer circular ring, and the pesticide spraying inner circular ring is fixedly connected with the air spraying outer circular ring; a plurality of aviation nozzles for spraying liquid pesticide are arranged on the pesticide spraying inner circular ring; the air spraying outer circular ring is communicated with an air blowing device, a plurality of air spraying holes distributed in the circumferential direction are formed in the air spraying outer circular ring, and the air outlet direction of the air spraying holes is the same as the axis direction of the air spraying outer circular ring. The system and method can continuously and effectively perform accurate spraying operation on a rubber forest with high and straight tree bodies, and can reduce drifting of fog drops.

A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims.Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.The embodiments of the invention described herein above in the context of the preferred embodiments are not to be taken as limiting the embodiments of the invention to all of the provided details thereof, since modifications and variations thereof may be made without departing from the spirit and scope of the embodiments of the invention.

The invention relates to a synthesis device for an economic molecular sieve membrane. The prior art is improved for circulating a membrane casting solution in a crystallization process to the outsideof a synthesis kettle, and a reasonable valve is arranged for controlling the volume of the membrane casting solution which enters a sedimentation kettle and the membrane casting solution of the corresponding time quantum, so that the sedimentation effect is the best on the basis of guaranteeing the crystallization effect.

The invention discloses a device for treating oil dirt in sewage with a rotational flow method and a removal method of the oil dirt in sewage with rotational flow method. The device is composed of a sewage tank, a water conveying device, an oil removing and precipitation tank, a rotational flow oil collection device, a clean water discharging pipe, an oil dirt discharging pipe, a sludge discharging pipe, a sludge tank, a bracket and a control system, wherein sewage enters the oil removing and precipitation tank from the bottom through the water conveying device; treated clean water is discharged out of a tank body through the clean water discharging pipe; the oil dirt is discharged out of the tank body through the oil dirt discharging pipe; and impurities are discharged into the sludge tank through the sludge discharging pipe. The device for treating oil dirt in sewage with the rotational flow method and the removal method of the oil dirt, disclosed by the invention, have the advantages of novel and reasonable structure, high oil dirt removing rate and wide applicable range.

An anti-fouling composition contains from 55-80% by weight copper flake or cuprous oxide, 10-30% by weight of a high molecular weight water resistant acrylic resin, and 0.5-5% by weight fumed silica and / or fluorinated resin. Most compositions are non-ablative. Copper flake of a particle size 15-25 microns is preferred for most applications. Some of the compositions are particularly useful for providing protection against fouling for boat propellers.

A process for manufacturing a composite part includes arranging a fibrous preform in a mold including an impregnation chamber which includes in its lower part a filter by making a first face of the preform rest on the filter, the impregnation chamber being closed by a flexible membrane placed opposite a second face of the preform, the membrane separating the impregnation chamber from a compaction chamber. The process further includes injecting a compression fluid into the compaction chamber so as to apply a first pressure on the membrane and injecting a slurry including ceramic particles into the impregnation chamber with a second pressure while maintaining the injection of the compression fluid, the second injection pressure of the slurry being lower than the first pressure on the membrane.

The technique to chemical plate Ni-B alloy on AZ91D surface comprises: treating the AZ91D alloy in solution with Na2CO3, Na3PO4 and polyethylene glycol octylphenyl ether, then cleaning in water; acid washing the alloy in solution with glacial acetic acid and NaNO3, then cleaning in water; chemical plating the alloy in solution with NiA, NaH2B, ethanediamine, NaOH and composite additive, finally, washing in water, and drying to obtain the target.

A plasma resonant cavity, including a cylindrical resonant cavity casing, cutoff waveguides, and a waveguide inlet circumferentially formed on the cylindrical resonant cavity casing. The cutoff waveguides are arranged at two ends of the cylindrical resonant cavity casing and employ a movable end cover structure. An intermediate through hole is formed on each cutoff waveguide with the movable end cover structure, and a raised round table is arranged on an inner end surface of the cutoff waveguide and configured with the resonant cavity.

The invention belongs to the technical field of quantum dot light-emitting diodes, and particularly relates to a solution processing series quantum dot light-emitting diode based on a doped connectionlayer and a manufacturing method of the solution processing series quantum dot light-emitting diode. The light emitting diode comprises a bottom device and a top end device; the bottom device comprises a cathode, a first electron injection layer, a first quantum dot light-emitting layer, a first hole transport layer and a first hole injection layer which are sequentially stacked from bottom to top. The top end device comprises a second electron injection layer, a second quantum dot light-emitting layer, a second hole transport layer, a second hole injection layer and an anode which are sequentially stacked from bottom to top, the first hole injection layer of the bottom device and the second electron injection layer of the top end device are stacked, the first hole injection layer is madeof a PEDOT: PSS-GO solution. and the second electron injection layer is made of a solution containing ZnMgO. The invention provides an effective method for improving the performance of a solution processing quantum dot light emitting diode.

The invention discloses a method for preparing a cochineal aluminum-free lake pigment by using protein, a product and application of the cochineal aluminum-free lake pigment. The method comprises thefollowing steps: adding axinic acid into a buffer solution with a pH value of 3 to prepare a pigment solution, adding metal ions, and carrying out full stirring to obtain an axinic acid pigment solution; adding protein into the axinic acid solution, carrying out full and uniform mixing, adding polyphenol, carrying out uniform stirring, conducting centrifuging, taking a precipitate, freeze-drying the precipitate, and carrying out grinding to obtain the cochineal aluminum-free lake pigment. The method for preparing the cochineal aluminum-free lake pigment by using the protein is simple and convenient to operate; and the product does not contain aluminum, so the safety of the product is prevented from being doubted. According to the cochineal aluminum-free protein lake provided by the invention, the lake has a relatively good color generation effect in an alkaline dilute iron solution and an alkaline calcium solution, and shows a relatively good dyeing effect on dough, minced fillet and single cream.

The invention discloses a manufacturing method of a mask plate opening for an organic light-emitting display device, which comprises the step of forming the opening by a laser. In the opening forming step, a laser head emits a laser beam of which the direction forms an acute angle with the plane of the mask base plate, and the laser beam emitted by the laser head operates on the mask base plate along the preset trajectory and forms the opening on the mask base plate, thereby forming the mask plate; and the area S1 formed by the edge of the opening on the mask base plate adjacent to the side of the laser head is smaller than the area S2 formed by the edge of the side far from the laser head. The technique can avoid the problem of environmental damage caused by the mask plate opening manufactured by the traditional chemical etching, can ensure the opening (small opening) edge (the area formed by the edge is S1) of the mask plate adjacent to the side of the deposited base plate to have favorable linearity, and can well satisfy the vapor deposition application of the organic light-emitting display device organic material.

The invention discloses a side-water-outlet and peripheral-transmission mud scraper and a mud scraping method. The mud scraper comprises a settling pond, a service bridge, a support, a pond bottom scraping plate, a flow-stabilizing bucket scraping plate and a flow-stabilizing bucket. Sewage flows into the flow-stabilizing bucket through a sewage inlet from the bottom of the settling pond and flowsout of a sector-shaped sewage outlet after being stabilized by the flow-stabilizing bucket, the sewage flowing out of the sector-shaped sewage outlet flows through the settling pond, the mud in the sewage settles down at the bottom of the settling pond, the service bridge drives the pond bottom scraping plate through the support to gather the mud into a mud pit, the mud settling down above the sector-shaped sewage outlet is scraped into the settling pond through the flow-stabilizing bucket scraping plate for secondary settling, the settling-down mud is discharged out of a mud outlet, and clear water flows out of a clear water outlet through a sector-shaped clear water outlet above the settling pond. The settling effect of the mud in the sewage is greatly improved, and the mud scraper canbe applied to primary or secondary settling of the sewage in a sewage treatment plant.

The invention relates to an economic Beta molecular sieve membrane synthetic method. Through improvement of the current technologies, a casting solution during a crystallization process is cycled outside a synthesis kettle, reasonable arrangement of a valve can control a volume of the casting solution in a deposition kettle and the casting solution at a corresponding time segment, and based on guarantee of crystallization effect, the seed coating effect can be optimum.

The invention relates to a synthesis method of a pure silicon molecular sieve membrane. The prior art is improved, membrane casting liquid in the crystallization process is circulated to outside a synthesis kettle, the volume of the membrane casting liquid entering a precipitating kettle and the membrane casting liquid in the corresponding time periods are controlled through reasonable arrangementof a valve, and the seed crystal coating effect is the best on the basis that the crystallization effect is ensured.

The invention discloses an airflow work flexible crop deformation response physical property test method. The method comprises the following steps of step1, selecting a type of a flexible crop which carries out airflow work and selecting a plot in an airflow work area as a test area used for physical property testing of the flexible crop; step2, collecting physical property data of the flexible crop; step 3, processing the physical property data of the flexible crop; step4, calculating a physical property test result of the flexible crop: and step 5: repeating the step 1 to the step 4 for multiple times, taking an average value of the physical property test results of the flexible crop as the final physical property test result of the flexible crop. By using the test method, a deformationresponse characteristic of the flexible crop under the airflow work can be accurately explored, and method guidance and technical specifications are provided for aviation spray airflow work.

The invention discloses a double-sided plasma enhanced chemical vapor deposition structure. The structure comprises a box body as well as a gas box mechanism, an electrode mechanism and a carrier which are arranged in a cavity of the box body; the gas box mechanism is used for introducing gas, the electrode mechanism is connected with the gas box mechanism and is used for ionizing the gas in the gas box mechanism, the carrier is located on the side, away from a gas inlet of the gas box mechanism, of the box body, a groove body structure with an upward opening is formed in the carrier, the groove body structure is arranged in a front-back penetrating mode in the front-back direction of the box body, the groove body structure is provided with a first bearing surface and a second bearing surface which are used for bearing workpieces, the carrier is arranged on the box body in a swinging mode and drives the workpieces to be switched between the first bearing surface and the second bearing surface, and the box body is provided with an extraction opening connected with the output end of a deposition chamber. Therefore, the double-sided plasma enhanced chemical vapor deposition structure has the advantages of excellent deposition effect and high efficiency. The invention further provides a deposition device.

The invention discloses a preparation method of a nano drug-loading system of leaf surface affiliated pesticide. The method comprises the following steps: preparing a polylactic acid carrier, primaryemulsion and the nano drug-loading system, carrying out affiliated modification on the nano drug-loading system and the like. According to the nano drug-loading system of the leaf surface affiliated pesticide, disclosed by the invention, the average grain diameter range is 300nm to 800nm, the drug loading amount can reach 15 percent or more and the encapsulation rate reaches 75 percent or more; compared with an abamectin crude drug, traditional Chinese medicine components in the nano drug-loading system have remarkably improved the light stability, and the nano drug-loading system has a remarkable slow release effect. The preparation technology of the nano drug-loading system of the leaf surface affiliated pesticide is simple; the preparation cost and the equipment investment cost are low,pollutants are not generated and the quality of a product is stable and reliable; the leaf surface retention behavior of pesticide liquid drops can be remarkably improved. Therefore, the production method of the nano drug-loading system of the leaf surface affiliated pesticide has a very wide application prospect.

The invention relates to a synthesis device for an economic molecular sieve membrane. The prior art is improved for circulating a membrane casting solution in a crystallization process to the outsideof a synthesis kettle, and a reasonable valve is arranged for controlling the volume of the membrane casting solution which enters a sedimentation kettle and the membrane casting solution of the corresponding time quantum, so that the sedimentation effect is the best on the basis of guaranteeing the crystallization effect.