146results about How to "Eliminate adsorption" patented technology

With core mould of the gunpowder typed cup being rotated, the feed flow of the electroforming fluid carries out from bottom part of the core mould. The anode with shape similar to the shape of the core mould of the medicine-typed cover is made with insulation material. The anode combines with the blocky electroform material of the anode to constitute the anode cavity as the anode unit. The rolling depression or the friction and disturbance treatment is carried out for the core mould of the cathode in rotating electroform by using the rolling depression method or the insulation friction method. The device includes the stock solution tank, the magnetic drive pump, the filter, the ball valve etc. The equipment also includes the rotating cathode, the rolling depression set or friction set, the imitating anode etc constituted the device of the electroform procedure.

The invention discloses a preparation method of kaolin-amine grafted complex. The preparation method comprises the following synthesis steps of: selecting 200-325 meshes of kaolin, and purifying to remove impurities; mixing the kaolin and an intercalator with a prepared intercalator solution in a mass ratio of 1:2, and directly intercalating the kaolin under a liquid condition, wherein the intercalator is selected from one or more of hydrazine hydrate, formamide, acetamide, methyl formamide, acrylamide, potassium acetate, dimethyl sulfoxide, urea and potassium chloride; repeatedly leaching the directly intercalated kaolin for ten times by liquid alcohol to prepare a kaolin-alcohol composite, wherein each leaching lasts for 10-48 hours; adding the kaolin-alcohol grated body into an amine solution under a wet condition and magnetically stirring for 40 times; and centrifuging to obtain precipitates, drying the precipitates to separate out excessive amine to obtain the kaolin-amine grafted body, wherein the interlayer distance of the kaolin-amine grafted body can be changed with the difference of intercalated amine molecule size to reach nearly 6.0nm. And the complex is of significance to nanometer research of the kaolin.

An apparatus for air classification and drying of particulate matter, and method of use thereof, for removal of moisture from particulate matter, wherein the particulate matter is first accelerated to a high velocity and permitted to impinge normally upon a steel plate, or at an angle against a tube wall. Water adsorbed by the particulate matter is atomized and then may be classified and removed via a cyclone separator.

A biosensor is provided, which can measure an analyte in a sample with high precision. The biosensor is produced by disposing a electrode system including a working electrode 12 and a counter electrode 13 on a substrate 11, and then forming a reagent layer 16 containing a reagent and particulates on the electrode system. The influence of the impurities in the sample on the electrode system can be eliminated by the particulates. The average particle diameter of the particulates preferably is in the range from 0.1 to 45 mum.

The invention provides a cement grinding aid. The cement grinding aid comprises raw materials as follows: triethanolamine, polyether polyol, sodium hydroxide, sodium thiosulfate and a biochemical waste liquid, wherein the biochemical waste liquid is one of or a mixture of a waste liquid produced during production of industrial sodium gluconate and a waste liquid produced during production of an industrial itaconic acid product. The cement grinding aid can optimize the cement grain composition, activate the early strength of cement, improve the powder grinding efficiency of the cement and reduce energy consumption.

The invention discloses a square two-face suction cup capable of easily eliminating sucking force. The square two-face suction cup is mainly characterized in that the lower end face and the upper end face of a square suction cup base are each provided with silica gel suction cups which are evenly arranged in order and can easily eliminate sucking force. The hole bottoms of suction holes in the silica gel suction cups on the lower end face and the upper end face of the suction cup base are communicated with lower and upper-layer air holes formed in the lower and upper portions in the plate thickness of the suction cup base in the horizontal direction through perpendicular air inlet/outlet holes. The tail ends of the left and right ends of the transverse air hole of the lower and upper-layer air holes are provided with a left air inlet/outlet hole and a right air inlet/outlet hole. Left and right one-way air inlet/outlet valves are arranged in the left and right air inlet/outlet holes and thread holes. The square two-face suction cup can firmly suck objects with planes and can also easily eliminate sucking force, the sucked object can be easily and completely taken down, use is convenient, economic losses are reduced, the using function is improved, and the cultural relic is effectively protected.

The invention relates to the field of cement production, in particular to a method for preparing a cement grinding aid; (1) raw material preparation: weigh the raw materials according to the parts by mass: 10-15 parts of propylene glycol, 3-5 parts of unsaturated polyester resin, 6-12 parts of sodium thiosulfate, 2-8 parts of calcium formate, 0.6-0.8 parts of Tween-80, 6-12 parts of alkyl polyglycosides, 10-30 parts of maleic anhydride, 2-6 parts of nano silicon dioxide , 2.4-5.6 parts of sodium hexametaphosphate, 2-6 parts of allyl polyoxyethylene ether, 1.8-4.8 parts of water-retaining cellulose; (2) preparation of modified triethanolamine; (3) preparation of grinding aid: step Take 5-25 parts of modified triethanolamine prepared in (2) and add it to the stirrer, then add the raw materials except calcium formate and sodium thiosulfate, mix and stir evenly, carry out a polymerization reaction at 75°C for 5h, add calcium formate, sulfur Substitute sodium sulfate, after stirring evenly, drying to obtain the grinding aid; the method of the invention is simple and the production cost is low; the prepared cement grinding aid has the advantages of good water retention, and can improve the specific surface area and appearance of cement.

The invention discloses a circular two-sided suction cup for protecting an ancient and valuable vase. The circular two-sided suction cup is characterized in that silica gel suction cups are arranged on the circle centers of the lower end face and the upper end face of a circular suction cup seat respectively, 2-10 circles of silica gel suction cups are arranged on the lower end face and the upper end face in the radial direction, the number of the silica gel suction cups which are evenly distributed on the outer ring is larger than that of the silica gel suction cups which are evenly distributed on the inner ring, and all the silica gel suction cups can eliminate the adsorption force easily simultaneously; the hole bottoms of sucking holes of the silica gel suction cups on the lower end face and the upper end face of the suction cup seat are communicated with lower air holes and upper air holes which are formed in the lower part and the upper part in board thickness of the suction cup seat in the horizontal direction through vertical inlet/vent holes respectively; left one-way inlet/outlet valves and right one-way inlet/outlet valves are arranged in the left inlet/vent holes and the right inlet/vent holes formed in the tail ends of the left end and the right end of linear air holes of the lower air holes and the upper air holes respectively. According to the circular two-sided suction cup for protecting the ancient and valuable vase, the ancient and valuable vase can be firmly adsorbed and can be taken down easily and completely to conduct cleaning or collecting or transferring, antiques and valuable vases are effectively protected, losses are reduced, and use is convenient.

The invention discloses a coping process of a coating roller, and belongs to the technical field of rubber processing. The coping process comprises the process steps of rough grinding, medium grinding and fine grinding, wherein a wheel grinding machine is adopted to roughly grind to remove defects of scratches and indentations on the surface of the coating roller and eliminate delamination of the surface of the coating roller; a lathe and an abrasive belt are combined to perform the medium grinding and fine grinding; after the roughness of the surface of the coating roller reaches the range required in use, the coating roller is hermetically packed and warehoused. On the basis of the original process, the step of turning the defect layer by the lathe is removed, the process is simplified, the same technical effect can be realized, the requirement on the roughness of the surface of the coating roller is met, the waste of an adhesive layer is reduced, the use times of the roller body is prolonged, the maintenance cost is lowered, and the production efficiency is improved.

The invention discloses an ultramicropore metallic organic framework material Zn(ox)0.5(mtz) as well as a preparation method and adsorption separation application thereof. The material has a structural chemical formula of Zn(ox)0.5(mtz), wherein ox is oxalic acid, mtz is 3-methyl-1H,1,2,4-triazole. The preparation method comprises the following steps: (1) weighing oxalic acid, 3-methyl-1H,1,2,4-triazole and a zinc metal salt, and uniformly mixing with water or water and alcohols; (2) adding the mixture into a high-pressure reaction kettle for reaction, filtering, and washing to obtain Zn(ox)0.5(mtz). The material has ultramicropores, and is good in water stability, preferential adsorption of carbon dioxide can be achieved, in addition, a large adsorption capacity is achieved, and meanwhile, adsorption of gases such as methane, acetylene, nitrogen, ethylene, ethane and the like is completely excluded, therefore, the material can be applied to efficient desorption of carbon dioxide impurities in multiple chemical engineering situations.

The invention discloses an indoor dedusting and sterilizing robot. The indoor dedusting and sterilizing robot comprises a chassis, walking wheels, a stainless steel barrel, and a robot CPU, a robot control system, a positioner, a dust sucker main body, a rage battery, a cable coil and a plasma generator which are mounted inside the stainless steel barrel, a dedusting tube mounted on the stainlesssteel barrel, and a dedusting end socket connected with the dedusting tube and used for performing a dedusting operation. By a mechanical arm technology, the dedusting tube of the indoor dedusting andsterilizing robot can stretch to any space according to dedusting needs; by a proximity sensor and visual sensor technology, intelligence of the dedusting end socket of the robot is achieved, a suspended operation can be performed, and dust in gaps between indoor objects can be removed in a stitching manner; through organic combination of the dust sucker and a plasma technology, the cleaning workof the robot can achieve the cleaning level of mopping and wiping by using a mop and wiping by using a rag; through introduction of the plasma technology into the field of indoor sanitation, the purpose of killing various bacteria and mildews is achieved.

The invention discloses a shielding cabinet which comprises a cabinet body and a shielding door, the shielding door is rotatably connected with the cabinet body through a door shaft, three vertical faces of the cabinet body are cabinet body metal plates formed by bending a complete steel plate, the top of each cabinet body metal plate is fixedly connected with a top plate metal plate, and the bottom of each cabinet body metal plate is fixedly connected with a bottom plate metal plate. Welding a stainless steel shielding edge metal plate on an opening edge formed by the cabinet body metal plate, the top plate metal plate and the bottom plate metal plate; the shielding door comprises a shielding door outer door plate and a stainless steel inner door plate which are sequentially installed from outside to inside, and the stainless steel inner door plate is matched with the stainless steel shielding edge metal plate in shape. Shielding can be achieved through combination of the stainless steel inner door plate and the stainless steel shielding edge metal plate between the cabinet body and the shielding door, a stainless steel plate does not need to be adopted for manufacturing the cabinet body, and a large amount of raw material cost is saved; the shielding door is divided into the shielding door outer door plate and the stainless steel inner door plate, the shielding door outer door plate is independently processed and sprayed with anti-rust paint, and the welding difficulty and sealing requirements of the shielding door outer door plate are reduced.

The invention discloses a method for manufacturing particleboards by using wheat straws preprocessed through steam explosion, and aims to provide a method for manufacturing the particleboards by preprocessing the wheat straws through steam explosion to peel off hydrophobic cuticles on the surfaces of the wheat straws so as to improve the wettability and adhesion property, improve the strength of the wheat straw particleboards and reduce the wheat straw particleboards, and suitable for industrial production. The method comprises the following steps of: adding water into a wheat straw raw material in a liquid-solid ratio of 10:1, uniformly mixing, putting into a steam explosion tank, quickly heating to the temperature of between 180 and 190DEG C, keeping the temperature for 3 to 5 minutes, and instantly releasing pressure; cooling the raw material in a storage bucket, filtering, and separating a steam-exploded wheat straw solid matter from a liquid water soluble part; drying the steam-exploded wheat straw solid matter until the water content is 3 percent, and stirring uniformly with an adhesive which is 8 to 10 percent of the absolute dry weight of the wheat straw solid matter, wherein the adhesive is urea resin; and paving the steam-exploded wheat straw solid matter stirred with the adhesive to obtain slabs, and performing hot-forming.

The invention relates to the technical field of cement production, and particularly relates to a preparation process of a polyglycerol cement grinding aid. The polyglycerol cement grinding aid is prepared by mixing 90-95% of polyglycerol and 5-10% of inorganic reinforcer. The polymerization process of the polyglycerol comprises the following steps: adding 15-30% of recovered glycerol, 1-3% of NaOH and 69-84% of kerosene into a reactor, heating to 120-180 DEG C under the condition of introducing N2 for protection, and reacting for 4-8 hours while keeping the temperature, wherein the average polymerization degree n is calculated by determining the refractive index of the reactant, and the average polymerization degree n of the polyglycerol is controlled to be 3-5. According to the invention, the prepared cement grinding aid can change the dispersity of a material in a mill, effectively eliminate electrostatic adsorption and mill bonding phenomena of fine cement particles and optimize the gradation of the cement particles under the condition of not changing the status of the cement grinding mill. The original yield of the grinding mill is kept unchanged, the cement grinding rate and specific area are increased, the 3d strength of the cement is increased by 15%, and the 28d strength is increased by more than 8%. Alternatively, the existing cement grinding rate and specific area are kept, and the yield of the cement grinding mill can be increased by more than 10%.

The invention relates to the technical field of environmental protection, in particular to a biological treatment method of copper polluted seawater. The biological treatment method of the copper polluted seawater is characterized by comprising the following steps: inoculating microorganisms into a culture medium, performing cultivation, adding the microorganisms into the heavy metal polluted seawater and performing heavy metal polluted repair, wherein the microorganisms are one or a combination of more of bacillus, aspergillus flavus, Chinese chlorella, prorocentrum donghaiense and candida catenulata. The biological treatment method of the copper polluted seawater has the characteristics of large adsorption capacity, high selectivity, high efficiency and low cost; furthermore, a method for embedding the microorganisms is adopted, the treatment capability on the copper heavy metal in the seawater is improved, and the stability is improved.

The invention discloses a pretreatment device of a sample for measuring the secondary electron emission characteristic of a material, which comprises a vacuum cavity and a vacuum pump, and also comprises a heating device, wherein the heating device comprises a bottom barrel and a gland; a driving part, wherein the driving part is used for driving the gland to move in the direction of the opening end of the bottom barrel; a sample storage platform, wherein the sample storage platform is positioned in the space enclosed by both the bottom barrel and the gland when the gland is buckled on the opening end of the bottom barrel; a grabbing and transferring part and a gate part, wherein the gate part is used as a passage outside the closed space and vacuum cavity; the heating device is used for heating the space enclosed by both the bottom barrel and the gland. The pretreatment device not only can effectively eliminate the influence of the sample surface adsorption gas and volatile organic contaminants on the measurement of the secondary electron emission characteristic of the material, and meanwhile, the structure design can effectively prevent secondary pollution when the sample is transferred from the pretreatment cavity to the measuring cavity.

The invention provides a vibration dust removal system. The vibration dust removal system comprises a dust removal device, vibration devices, ellipsoid rolls, shafts and motors. The vibration devices are arranged around the dust removal device and located on the same horizontal line and are opposite in pairs. The motors are arranged inside the vibration devices, and provided with the shafts fixedly connected with the ellipsoid rolls, the ellipsoid rolls are adjacent to the dust removal device, long axes of the ellipsoid balls opposite in pairs are perpendicular to each other, and the ellipsoid rolls are made of abrasion-resistant materials. Small particles or dust absorbed on the inner wall of the dust removal device can be effectively cleared away, the dust removal effect of the dust removal device is better, the dust removal speed is high, and working efficiency is improved.

The present invention relates to a method for rapid combined measurement of lead and zinc in copper smelting soot. The method comprises the steps of: 1) dissolving: weighing a certain amount of copper smelting soot, moistening the soot with water, adding hydrochloric acid according to the weight to volume ratio of soot to hydrochloric acid being 1g / 50ml, heating at 200-300 DEG C for 2-3min, adding nitric acid in the same volume as hydrochloric acid, heating at 200-300 DEG C for 2-3 min; 2) precipitation: sulfuric acid and potassium sulfate for precipitation to obtain lead sulfate; 3) determination of lead; and 4) determination of zinc. The method of the present invention eliminates the interference of impurities, which cannot be eliminated in general lead and zinc combined measurement methods, simplifies the procedures, shortens the analysis time, eliminates the adsorption of zinc ions by the precipitate in the secondary filtration of the zinc detection process (lower zinc content has greater impact), avoids detection by means of equipment, improves the accuracy and efficiency, and reduces the costs.

The invention discloses a technical process film for laminating a UV-irradiation viscosity reduction type OLED module and a preparation method of the technical process film. The technical process filmcomprises an anti-adsorption conductive layer A, a base material, a pressure-sensitive glue layer, a release film and an anti-adsorption conductive layer B, wherein one surface of the base material is coated with the anti-adsorption conductive layer, a corona surface and the release film on the other surface are laminated through the pressure-sensitive glue layer, the pressure-sensitive glue layer is a UV light-reducing viscose layer and has anti-static performance, and the back surface of the release film is coated with the anti-adsorption conductive layer. According to the technical processfilm disclosed by the invention, the anti-static requirement on the film surface and the back surface of the release film is increased based on an anti-static glue surface, the situation of electrostatic adsorption is avoided in the pick-up and use processes of a film piece, and the stability of the technical process is improved; and the technical process film is mainly applied to the laminationof OLED screen modules.

The invention belongs to the field of medicine, and specifically provides a method of using HPLC (High Performance Liquid Chromatography) to measuring the contents of cations and anions in a polyethylene glycol electrolyte preparation. The chromatographic conditions are as follows: the cation eluent is a nitric acid water solution (2.3-2.7 M) containing a water soluble organic solvent accounting for 5 to 20 vol.% of the eluent; the flowing speed is 0.8 to 1.2 mL/min; the anion eluent is a water solution of sodium carbonate (3.2-3.8 mM) and sodium bicarbonate (0.9-1.1 mM), the flowing speed is 0.6 to 0.8 mL/min, and the detector is an electrical conductivity detector. The measuring method has the advantages of strong specificity, simple and quick operation, capability for prolonging the service life of chromatographic column, and high sensitivity.

The present invention is a plant ultra-fine powder processing method, which includes: pre-crushing, infiltration, rubber matrix milling processing, homogenizing, spray drying, cooling, packaging. The whole process does not use any food additives. The plant ultra-fine powder prepared by the invention has uniform size, good flowability and hygiene.

The invention relates to a cheap micro-fluidic device for diagnosis of cholera and with a specific liquid flow transmission manner, belonging to the field of analysis and testing. A series of obstacles exist in preparation of a substrate for a cholera diagnosis micro-fluidic chip from cheap and easily workable polydimethylsiloxane (PDMS); a PDMS material has a strongly hydrophobic surface and the effect of targeted surface modification cannot last for a long time; and the invention aims to overcome a series of such problem. According to main points of a technical scheme in the invention, PDMS with an original surface is selected as a substrate; a minisized ultrasonic transducer is arranged at a position close to a sample liquid flow terminal of a micro-fluidic chip in an adhesion manner, and an ultrasonic wave reducing device is arranged on the sample introduction terminal of the micro-fluidic chip, so the intensity of ultrasonic waves rapidly and progressively decreases in a short distance; thus, difference of interfacial tension at the two terminals of the chip is formed, which leads to formation of pressure difference between the two terminals, and the pressure difference drives sample liquid flow to flow towards the sample liquid flow terminal along a capillary channel.

The invention relates to a multi-staining flaking method of a cytopathology sample. Specifically, the invention relates to a multi-staining method for performing liquid-phase immunohistochemical staining and/or nucleic acid immune in-situ hybridization staining and conventional cytopathology staining on a cell sample. The invention also relates to isolated cells obtained by the method, pathological sections carrying the cells, and kits for use in the method.