11results about How to "Controllable operation" patented technology

The invention discloses a ferric sodium pyrophosphate composite positive electrode material and a preparation method and application thereof. The composite positive electrode material is composed of ferric sodium phosphate pyrophosphate and carbon, the surface of the ferric sodium phosphate pyrophosphate is coated with the carbon, the molar ratio of sodium to iron to phosphorus is 4: (3-y): 4, y is larger than 0 and smaller than or equal to 0.5, the carbon content is 1-10 wt%, and the composite positive electrode material does not contain associated phases. The preparation method comprises the following steps: adding water into an iron source, a sodium source, a phosphorus source and a carbon source to prepare a mixed solution, and drying to obtain precursor powder; sintering under the protection of inert gas to form a semi-finished body, carrying out ball milling or sand milling on the semi-finished body, and then carrying out spray drying; and finally sintering under the protection of argon or nitrogen to obtain a finished product. The raw materials are cheap and easy to obtain, process parameters are accurately controlled through a two-step heat treatment method, the compaction degree and the compaction degree of the material are remarkably improved, the electrochemical performance is optimized, and the preparation method has important application value in the field of sodium ion secondary batteries.

The present application relates to the field of organic synthesis, in particular to a kind of preparation of flubendiamide intermediate compound I method, the method includes the following steps: compound a occurs reduction in the presence of catalyst and base and obtains compound I.The present application is by adding basic compound in the process of catalytic hydrogenation reaction, effectively 2,5-dichloro-4-(1,1,2,3,3,3-hexafluorophenoxy) nitrobenzene is reduced to only obtain 2,5-dichloro-4-(1,1,2,3,3,3-hexafluorophenoxy) aniline, and the content of dechlorination by-product is low, and the product purity is high.

The utility model provides a novel pressurized injection device, and the syringe can be used for injecting pressurized liquid, the fixed seat is provided on the syringe control module, the movable seat is movably arranged on the syringe control module, the injection cylinder of syringe is fixedly arranged on the fixed seat, the piston rod of syringe is fixedly arranged on the movable seat, and the power source part of syringe control module controls the reciprocating movement of movable seat, thereby controlling the reciprocating movement of the piston rod of syringe, and further comprising detection module for detecting the push -and -pull of piston rod. The output port of syringe is connected with pressurized valve assembly control module, and the pressurized valve assembly control module comprises at least two output ports, the communication between the output port of syringe and different output ports is switched through pressurized valve assembly control module, the output or extraction of liquid from different output ports can be realized. The utility model can replace the doctor to execute balloon pressurization in radiation environment, and can make the complicated valve control and syringe bolus operation automation.

The invention discloses a medium-low temperature aluminum nitride ceramic heater and a preparation method thereof. The medium-low temperature aluminum nitride ceramic heater comprises an aluminum nitride ceramic substrate and a metal water-cooling base or a ceramic connecting support body which are sequentially arranged from top to bottom, wherein the metal water-cooling base or the ceramic connecting support body is used for supporting the aluminum nitride ceramic substrate; the aluminum nitride ceramic matrix is prepared from the following raw materials in percentage by mass: 85-95% of aluminum nitride, 3-5% of yttrium oxide, 0-10% of titanium nitride, 0-10% of titanium diboride, 0-5% of silicon carbide, 0-5% of tungsten carbide and 0-5% of titanium dioxide. According to the aluminum nitride ceramic heater, the formula of the aluminum nitride ceramic matrix of the aluminum nitride ceramic heater is optimized, other materials such as yttrium oxide, titanium nitride, titanium diboride, silicon carbide, tungsten carbide and titanium dioxide are introduced, and the content of each component is changed through formula blending, so that the purpose of performance optimization is achieved; the volume resistivity of the aluminum nitride ceramic heater in the medium and low temperature environment is effectively reduced, the adsorption force in the machining process is guaranteed to meet the requirement, the preparation technology is simple, operation is easy to control, and industrial production is facilitated.

The present application relates to the technical field of online car-hailing risk control, and particularly relates to a method for implementing an online car-hailing pick-up and drop-off abnormality risk control dynamic rule engine based on flink CEP. In the online car-hailing service, after a passenger issues an order on a mobile phone, the driver is affected by external environmental factors, vehicle condition factors, other human factors and complex environments during the process of picking up and dropping off the passenger, which may result in a variety of abnormal situations such as pick-up timeout, driver driving in the opposite direction, driver not moving and the like. A related risk control system is established in each service system. The present application uses mysql to dynamically load rules to ensure the dynamic scalability of the rules, and uses flink CEP to calculate the rules to ensure the timeliness and accuracy of the calculation results. The overall scheme supports the timeliness and dynamic scalability requirements of abnormal indicators in the risk control system under the premise of not stopping service when the rules are changed.

The present application relates to the field of seabed geological sampling equipment, in particular to a seabed drilling base for marine geological survey and a use method thereof, comprising a base frame, a drill rod clamp, a pulley block and a counterweight arranged on the base frame, and a limiting assembly arranged on the drill rod clamp; the present application adjusts the landing point position of the drilling base through the pulley block, starts the drill rod clamp to fix the drill rod after deepening to the required position, and realizes convenient clamping and fixing; the driving motor is started to control the rotation of the transmission gear, the brake gear is rotated through the vertical gear, the threaded rod in the sleeve is translated along the length direction of the sleeve through the thread, the clamp slides under the limiting action of the sink block, the clamping tightness is improved, and the clamping range is controlled according to the radius of the drill rod through the clamping module, so that the drill rod of various sizes can be adapted.

This utility model belongs to the technical field of chemical analysis and detection devices, specifically relating to an auxiliary device for a bottle-mouth pipette. It includes, from bottom to top, an annular plug, an angle adjustment assembly, and a second annular plug connected to the adapter port of the bottle-mouth pipette. The angle adjustment assembly includes a support ring plate, an elastic rubber ring, and an angle adjustment ring plate. The support ring plate and the angle adjustment ring plate are connected by a coaxially arranged elastic rubber ring. The annular plug is connected to the bottom of the support ring plate, and the second annular plug is connected to the upper surface of the angle adjustment ring plate. The edges of the support ring plate and the angle adjustment ring plate are bonded together with matching Velcro. This utility model has a simple structure, low cost, and is easy and controllable to operate. It can stably and conveniently connect a bottle-mouth pipette to a reagent bottle, especially a conical flask, and facilitates adjustment of the insertion angle of the pipette tip in the reagent bottle, preventing air bubbles from forming during aspiration due to excessively low liquid levels in the reagent bottle.

The invention discloses a magnesite tailing beneficiation and purification method, and belongs to the technical field of mineral resource recycling. The invention provides an efficient and environment-friendly magnesite tailing purification method, and the purity and recovery rate of magnesite are remarkably improved through a synergistic combination process of pretreatment, cyclone separation, gradient magnetic field separation and ultrasonic-assisted flotation. The method effectively solves the problems of incomplete impurity removal, high energy consumption, large medicament consumption, environmental pollution and the like in the traditional process, and realizes efficient comprehensive utilization of tailing resources. The whole process does not need to discharge harmful pollutants, the dosage of the medicament is small, the medicament can be recycled, the energy consumption is low, the operation is simple and controllable, and the method has obvious economical efficiency and environmental protection advantages, is suitable for industrial popularization, and provides a reliable way for sustainable utilization of the magnesite tailings.

The application discloses a kind of interstitial fluorine atom doped ruthenium dioxide catalyst and its preparation method and application, method includes the following steps: fluorine-containing elastomer is carried out first calcination treatment in inert gas atmosphere, and the amorphous fluorocarbon base is obtained after cooling to room temperature;The fluorocarbon base is dispersed in ethanol and is treated with ultrasound, and the fluorocarbon dispersion liquid is obtained;Ru precursor solution is poured into the fluorocarbon dispersion liquid and continues to be treated with ultrasound, and the Ru precursor / florocarbon suspension is obtained;The Ru precursor / florocarbon suspension is treated with drying, and the Ru precursor / florocarbon powder is obtained;The Ru precursor / florocarbon powder is treated with second calcination, and the interstitial fluorine atom doped ruthenium dioxide catalyst is obtained after cooling to room temperature.The method provided by the application is simple and controllable, and is beneficial to industrial expansion production, and the prepared ruthenium dioxide catalyst has outstanding stability or activity.

This utility model discloses a high-pressure microenvironment vapor deposition device, relating to the field of vapor deposition technology. It includes a fixed structure, with a sample structure mounted at the bottom of its inner cavity. The fixed structure includes a base, and a sealing cover is mounted at the bottom of the base. A sealing cover door is rotatably connected to one side of the outer wall of the sealing cover. Air inlets are provided on both sides of the outer wall of the sealing cover. Through the coordinated operation of a stepper motor, a transmission rod, and a rotating rod, the opening and closing of the sealing plug is precisely controlled, thereby controlling the opening and closing of the nozzle of the first spray tube and thus precisely controlling the thin film processing flow. Furthermore, a high-pressure automatic valve and specific structure in the second sealing tank can automatically open the nozzle to precisely coat the defective area upon detection of coating defects. Combined with real-time infrared thermal imaging monitoring, compared to traditional devices, this achieves intelligent and controllable operation of thin film processing, not only ensuring the quality of film coverage but also efficiently repairing defects and improving the overall processing effect.

The invention relates to a low-temperature pyrolysis treatment system and method for household garbage incineration fly ash, and belongs to the technical field of household garbage incineration fly ash treatment. The system comprises a fly ash tabletting granulation system, a fly ash pyrolysis and magnetic material circulation system and a dust collection system, the fly ash tabletting and granulating system comprises a feeding device, a tabletting machine, a crusher and a fly ash feeding bin; the fly ash pyrolysis and magnetic material circulation system comprises a magnetic material feeding bin, a pyrolysis furnace feeding screw, a pyrolysis furnace, a belt conveyor and an iron remover located above the belt conveyor. The dust collection system comprises a sealing cover arranged above the belt conveyor and a dust collection cover connected with the sealing cover, and the dust collection cover is communicated with a dust feeding port of the tablet press through a dust conveying pipeline. According to the method, the fly ash is subjected to granulation treatment through the processes of tabletting and crushing, a mixture with the particle size being 50 microns to 10 mm is formed, the stacking density can reach 1 t / m < 3 > to 1.5 t / m < 3 >, and the treatment capacity and the operation stability of the pyrolysis process are remarkably improved.