33results about How to "Control removal" patented technology

Multifunctional surgical devices for use in ophthalmic surgery are disclosed. More particularly, embodiments of a surgical instrument with a multifunction tip are provided. Specifically, the tip may provide a source of illumination, a pik, and another tool such as a scraper, knife or spatula. This tool may be extended from the tip where the rigidity of the extendable tool varies with the distance it is extended from the tip.

The invention relates to a glass processing method and a glass processing system. According to the method, a glass workpiece is soaked into a chemical solution so as to be positively charged, a tool electrode is negatively charged, rotatably moves, ultrasonically vibrates and acts on the glass workpiece, the chemical solution becomes a discharge channel between a positive electrode and a negative electrode, and hydraulic impact waves generated by the thermodynamic effect and the ultrasonic vibration of a discharge moment and electrochemical anodic dissolution co-act on the action part of the tool electrode to form a processing surface. The glass processing system comprises a direct current power supply, the tool electrode which is connected with the negative electrode of the direct current power supply, an ultrasonic vibrator which is connected with the tool electrode, an adjusting supporting seat which drives the ultrasonic vibrator to move up and down, an additional electrode which is connected with the positive electrode of the direct current power supply and positively charges the glass workpiece, and a chemical solution tank which is used for holding the glass workpiece. The glass processing method and the glass processing system have the advantages that higher-accuracy and higher-efficiency glass micro-pore groove processing can be realized; meanwhile, an implementation method is low in cost, and an implementation system is simple in structure and is easy to mount and maintain.

The invention relates to the technical field of molecular sieve preparation, and discloses a preparation method of a hierarchically porous zeolite molecular sieve. The specific surface area of a hierarchically porous EU-1 molecular sieve is improved. The method comprises the steps that a template agent part of EU-1 molecular sieve original powder is firstly removed through temperature controlling,then the processed EU-1 molecular sieve is placed in an acid solution to be reacted for 12-48 hours at the temperature of 100-150 DEG C, and finally the EU-1 molecular sieve is placed in an alkali solution where CTAB is dissolved to be reacted for 2-48 hours at the temperature of 80-180 DEG C to obtain the hierarchically porous EU-1 molecular sieve after sintering is conducted. The method has theadvantages that the hierarchically porous molecular sieve is prepared by the joint processing of desilicification and CTAB auxiliary secondary crystallization bonding through sintering temperature controlling and acid treatment, the method is simple, the outer specific surface area of the formed hierarchically porous EU-1 molecular sieve is increased, the dispersing performance of the molecular sieve is improved, and the catalytic activity is further improved.

The invention discloses an efficient sewage filtering control system. The efficient sewage filtering control system comprises a sewage treatment tank, a water flow monitoring device, a water quality monitoring device, a general controller and filtering plates, wherein the sewage treatment tank is in multi-stage stepped arrangement; the water flow monitoring device and the water quality monitoring device are both arranged in the sewage treatment tank and are both connected with the general controller; the filtering plates are uniformly arranged in the sewage treatment tank. The real-time monitoring of water flow is beneficial to controlling removal of water quality impurities; the control of water flow can well enable sewage and a filtering screen to be in full contact and enable sewage to be filtered fully, and the purification effect is accelerated.

The invention relates to a membrane distillation quality-improved base liquor of strong-flavor distilled liquor and a membrane distillation method thereof, and belongs to the technical field of brewing production. The membrane distilled base liquor of strong-flavor distilled liquor comprises the following components: 0.75-2.5g / L of ethyl hexanoate, 0.3-1.5g / L of ethyl lactate, and 0.24-1.2g / L of ethyl acetate, 0.05-0.25g / L of ethyl butyrate and 0.3-0.5g / L of isoamyl alcohol. The contents and proportions of all components in the base liquor are reasonably coordinated and quality and flavor of the base liquor are good, so that the quality of base liquor which cannot be used for blending pure kernel solid-state brewed liquor can be improved, the difficulty in blending liquor can be reduced, Chinese distilled liquor which is a system comprising complicated components can be optimized, the existing base liquor of strong-flavor distilled liquor, which contains unreasonable components, can be better balanced, the quality can be improved, the flavor can be more mellow and purer.

The invention discloses an ultrasonic combined adaptive anti-fatigue precision machining system and method of a multi-curvature curved surface, and belongs to the field of mechanical precision machining common technologies. The ultrasonic combined adaptive anti-fatigue precision machining system and method of the multi-curvature curved surface aim to solve the technical problem of how to machine acurved surface of a key part with the multi-curvature curved surface while guaranteeing that the part has the anti-fatigue performance of a part with the multi-curvature curved surface. According tothe adopted technical scheme, the ultrasonic combined adaptive anti-fatigue precision machining system structurally comprises a flexible grinding head device and a control unit. The control unit is electrically connected with and has control over the flexible grinding head device, an ultrasonic coupling agent circulation structure and an impact vibration structure. The flexible grinding head device is used for machining the multi-curvature curved surface of the part. The control unit is used for having control over the working state of the flexible grinding head device. The flexible grinding head device comprises a flexible adjustment box body, the ultrasonic coupling agent circulation structure and the impact vibration structure. The impact vibration structure is arranged in the flexibleadjustment box body. The interior of the flexible adjustment box body communicates with the ultrasonic coupling agent circulation structure. The invention further discloses the ultrasonic combined adaptive anti-fatigue precision machining method of the multi-curvature curved surface.

The invention discloses a cement removing device for brick recycling and a using method thereof, and belongs to the technical field of brick recycling. The cement removing device comprises a bottom plate, the four corners of the upper surface of the bottom plate are fixedly connected with the lower surface of a top plate through supporting rods, a hydraulic rod is arranged on the lower surface ofthe top plate, and the bottom end of the hydraulic rod is fixedly connected with a shell. According to the cement removing device for brick recycling and the using method thereof, the shell, a first bearing, a first rotating shaft, a hand wheel, a threaded rod, threaded cylinders, cutters, a sliding block and a sliding groove are arranged, the hand wheel is rotated to drive the first rotating shaft and the threaded rod to rotate, as the forming directions of threads on the left side and the right side of the surface of the threaded rod are opposite, the threaded rod rotates to drive the two threaded cylinders to move in the direction close to or away from each other, the two cutters can be driven to move, the distance between the two cutters is adjusted to adapt to bricks with different thicknesses, and the practicability of the device is improved.

The invention discloses a method for refining betamethasone, and betamethasone crude product is purified by organic solvent and water for obtaining betamethasone refined product, wherein, the organic solvent is a mixed solvent of halogenated hydrocarbon and alcohol. The method provided by the invention has the advantages of simple operation and greatly improved product yield and quality. Double-solvent and water system can effectively control impurity removal, and the refined product content of the prepared betamethasone is increased from 99.0% to 99.5% or more, and the yield is increased from 85% to 90% or more; the refining method employs purified water, which has the advantages of little danger and low cost.

The invention provides a GH4720Li alloy, a smelting method thereof, a GH4720Li alloy component and an aeroengine, and relates to the technical field of smelting. The smelting method of the GH4720Li alloy comprises the following steps of performing vacuum induction smelting on a GH4720Li alloy raw material; and during the refining period of the vacuum induction smelting, stirring with power frequency stirring power being 100-150 KW, measuring the leakage rate of a vacuum induction smelting system during the refining process, and if the absolute values of the change rates of the leakage rates measured at adjacent two times are smaller than or equal to 7%, stopping refining. The smelting method can effectively reduce the content of harmful gas elements in an alloy liquid in smelting, reducesinclusion amount distribution, and enables the obtained GH4720Li alloy to be high in purity and high in metallurgical quality.

The invention relates to base liquor of sesame-flavor liquor upgraded by membrane distillation and a membrane distillation method thereof, belonging to the technical field of wine production. The base liquor of membrane distillation sesame-flavor liquor provided by the invention comprises the following ingredients: 0.4-2.5 g / L of ethyl acetate, 0.2-2.2 g / L of ethyl lactate, 0.1-1.2 g / L of ethyl caproate, 0.5-200 mg / L of 3-methylthiopropanol and 0.2-0.6 g / L of isoamyl alcohol. The base liquor of membrane distillation sesame-flavor liquor provided by the invention is reasonable and harmonious in ingredient contents and proportions and excellent in quality and flavor, the quality of the base liquor originally incapable of being used for blending solid fermented pure grain liquor is improved, the blending difficulty of the liquor is reduced, the complex ingredient system of the Chinese liquor is optimized, the existing base liquor of drug-flavor liquor with unreasonable ingredients is better balanced, the quality of the base liquor is perfected, and the flavor of the base liquor is more mellow and normal.

The invention belongs to the field of optical device machining, and discloses a grinding and polishing device and method for an optical cone. The device comprises a supporting frame, a movable mechanism, an ejector pin, a plane polishing disc and a polishing disc motor, wherein the movable mechanism is installed on the supporting frame and has two movable degrees of freedom, namely the first degree of freedom of end part rotation and the second degree of freedom of which the rotation center is perpendicular to a rotating shaft at the end part; the end part of the movable mechanism is used forbeing connected with the to-be-machined cone; the ejector pin is located in a plane where the rotating shaft at the end part of the movable mechanism moves in the second degree of freedom; and the plane polishing disc is universally connected with the ejector pin, the ejector pin is connected with the polishing disc motor through a shaft, and a polishing material layer is arranged on the surface of the plane polishing disc. The cone is connected to the shaft end of the movable mechanism, the contour line of the cone is adjusted to be horizontal, the cone is polished along a track forming a spiral line around the axis of the cone, and the rotating speed of the cone is controlled according to the pressure born by the plane polishing disc and the moving speed, rotating speed, swinging speed and amplitude of the plane polishing disc.

The invention relates to a membrane distillation quality-improved base liquor of Fen-flavor distilled liquor and a membrane distillation method thereof, and belongs to the technical field of brewing production. The membrane distilled base liquor of Fen-flavor distilled liquor comprises the following components: 0.6-2.6g / L of ethyl acetate, 0.4-2.4g / L of ethyl lactate, 0.01-0.02% of ethyl hexanoate and 0.4-0.6g / L of isoamyl alcohol. The contents and proportions of all components in the base liquor are reasonably coordinated and quality and flavor of the base liquor are good, so that the quality of base liquor which cannot be used for blending pure kernel solid-state brewed liquor can be improved, the difficulty in blending liquor can be reduced, Chinese distilled liquor which is a system comprising complicated components can be optimized, the existing base liquor of Fen-flavor distilled liquor, which contains unreasonable components, can be better balanced, the quality can be improved, the flavor can be more mellow and purer.

The invention relates to a preparation process of bamboo paper for food packaging. The invention aims to solve the problem that paper in the prior art contains considerable ash and the like and is notsuitable for food packaging. According to a technical scheme in the invention, the preparation process comprises the following steps: S1, stacking bamboo materials for about 40 days to 2 months afterearlier-stage treatment, and then cleaning the bamboo materials with mountain spring water; S2, fermenting the cleaned bamboo materials in a fermentation box, wherein a low-temperature state is keptin the fermentation box for constant-temperature fermentation; and S3, cleaning and pounding the bamboo material fermented in the constant-temperature fermentation box to prepare paper pulp, thereby preparing the bamboo paper for food packaging. The preparation process has the effects that pollution sources can be effectively removed through constant-temperature fermentation, and the raw materialsare kept in the overall optimal fermentation state and are subjected to constant-temperature fermentation and then to sufficient soaking and swelling with spring water so as to separate ash, extracts, a part of pectin and the like out one by one, so the situation that the quality of paper products is affected due to the fact that the ash is too high is avoided, pollutant residues are reduced, andfood pollution is reduced.

The invention provides a descaling agent, a preparation method thereof, a descaling device and a dish-washing machine. The organic acid, the cellulose ether and the slow-release agent in the descalingagent are matched with one another, so that the descaling agent has excellent water softening capacity and good slow-release performance, the descaling capacity of the descaling agent can be kept fora long time, and the descaling agent is suitable for softening and descaling flowing water; the descaling device comprises a storage unit used for containing a descaling agent, and a plurality of filter holes used for allowing the descaling agent to pass through are formed in the storage unit. The descaling device is arranged on the inner side of an opening-closing door of the dish-washing machine. In the washing process, the descaling agent is slowly dissolved and released through washing of water in the dish washing machine, and the descaling agent is discharged into the water from filter holes of the descaling device; organic acid in the descaling agent is gradually released, so that water softening and incrustation removing are achieved, and finally the problem that incrustation is generated in the long-term use process of the dish-washing machine is solved.

The invention provides an ultrafast laser grinding wheel dressing device and method based on Bessel beams. The ultrafast laser grinding wheel dressing device comprises a femtosecond or picosecond laser, a lens set and a grinding wheel fixing platform. The lens group comprises a reflecting mirror, a diaphragm, an axicon, a first plano-convex lens and a second plano-convex lens which are arranged in sequence, laser beams output by the femtosecond or picosecond laser are reflected by the reflecting mirror, after the diaphragm controls the shape of light spots, initial Gaussian beams pass through the axicon and are converted into Bessel beams with non-diffraction distance, and the Bessel beams are transmitted to the femtosecond or picosecond laser through the second plano-convex lens. The peak power density of the light is increased through the next plano-convex lens, the focus of the light beam focusing is irradiated on the grinding wheel through the second plano-convex lens, and the grinding wheel is installed on the grinding wheel fixing platform.

The image acquisition device generates first agreement information indicating that transmission of the eye-to-be-examined image data is permitted or not permitted, and second agreement information indicating that reuse of the eye-to-be-examined image data is permitted or not permitted, and if the first agreement information indicates that transmission is permitted, transmits the eye-to-be-examined image data to the image-to-be-examined image data. The first information processing device transmits first transmission data including patient information, subject eye image data, and second agreement information, stores the subject eye image data when receiving the first transmission data, and generates identification information unique to the subject eye image data when receiving the first transmission data. The second information processing device performs image diagnosis on the eye image data when the second information processing device receives the second transmission data, and performs image diagnosis on the eye image data when the second information processing device receives the second transmission data, and performs image diagnosis on the eye image data when the second information processing device does not allow reuse of the eye image data when the second agreement information indicates that reuse of the eye image data is not allowed. When the second agreement information indicates that re-use of the eye image data is permitted, the image data of the eye to be examined is cleared after the image diagnosis, and when the second agreement information indicates that re-use of the eye image data of the eye to be examined is permitted, the image data of the eye to be examined and a diagnosis result based on the image diagnosis are stored, and third transmission data including the identification information and the diagnosis result are transmitted.

The invention relates to a membrane distillation quality-improved base liquor of super-strong flavored distilled liquor and a membrane distillation method thereof, and belongs to the technical field of brewing production. The membrane distilled base liquor of super-strong flavored distilled liquor comprises the following components: 15-1,000mg / L of ethyl propionate, 0.8-1.5g / L of ethyl acetate, 0.6-1.2g / L of ethyl lactate, 0.05-0.1g / L of ethyl butyrate and 0.3-0.5g / L of isoamyl alcohol. The contents and proportions of all components in the base liquor are reasonably coordinated and quality and flavor of the base liquor are good, so that the quality of base liquor which cannot be used for blending pure kernel solid-state brewed liquor can be improved, the difficulty in blending liquor can be reduced, Chinese distilled liquor which is a system comprising complicated components can be optimized, the existing base liquor of super-strong flavored distilled liquor, which contains unreasonable components, can be better balanced, the quality can be improved, the flavor can be more mellow and purer.

The invention discloses a liquid polishing machine capable of accurately controlling the removal amount and a polishing process, and relates to the technical field of workpiece polishing. The liquid polishing machine comprises a polishing box, and further comprises a roughometer and two nozzles, wherein the inner wall of the polishing box is fixedly connected with a filter screen; the side face of the polishing box is provided with a control box; the bottom face of the polishing box is fixedly connected with a liquid storage box; a feeding port is formed in the top face of the polishing box; a fixing part used for fixing a workpiece is arranged in the polishing box; and the liquid polishing machine further comprises a displacement part which drives the two nozzles to displace, so that the workpiece can be more comprehensively polished. Through mutual cooperation between the structures, the liquid polishing machine and the polishing process have the effects of comprehensively and uniformly scouring and polishing the mechanical energy of the workpiece, being good in polishing effect and being capable of controlling the polishing removal amount of the workpiece, and solve the problems that the removal amount of the workpiece cannot be controlled by a traditional device, the spatial position of the workpiece needs to be manually adjusted during polishing, and time is wasted.

The invention provides a method for improving a small-spherical defect in a manufacture process of a shallow trench isolation substrate, comprising the following steps of: forming shallow trenches on a semiconductor substrate; cleaning the semiconductor substrate with the formed shallow trenches by using a cleaning solution to remove a silica oxide film formed on a shallow trench structure, and then cleaning the residual cleaning solution and reaction byproducts by using de-ionized water; and repeating the cleaning step until the silica oxide film is removed or a required removing amount is achieved, wherein the thickness of the silica oxide removed by the cleaning solution every time is smaller than 15 angstroms. According to the method for improving the small-spherical defect in the manufacture process of the shallow trench isolation substrate, the small-spherical defect formed on an STI (Shallow Trench Isolation) structure when the oxide film is removed by hydrofluoric acid is improved, and therefore the yield is increased.