278results about How to "Satisfy productivity" patented technology

The invention discloses a device for breaking walnut shells and taking walnut kernels, having functions of self-positioning, pre-breaking shells, equidirectional spiral self-grading and flexible extrusion. The device comprises an intermittent feeding device, the a shell pre-breaking device, a flexible shell breaking device and a separating device, which are fixed on a machine frame, wherein the intermittent feeding device is used for performing intermittent batch feeding for the shell pre-breaking device; the shell pre-breaking device comprises an extruding part and a blanking part which are mutually matched; the extruding part is in reciprocating movement, and is matched with the blanking part for extruding walnuts, so that cracks are generated in the walnuts; the blanking part is in reciprocating movement, so that the extruded walnuts fall off to the flexible shell breaking device; the flexible shell breaking device is used for breaking walnut shells; and shells and kernels of the walnuts after shell breaking are separated for storage through the separating device. The device disclosed by the invention integrates a plurality of systems, and is compact in structure, the manufacturing cost of a machine is reduced, the occupied space for the operation of the machine is also reduced, and the miniaturization and the high efficiency of the machine are facilitated; in structure design, multiple connections including splicing, combining and the like for cooperating work can be realized; and the requirements of various production scales and the requirements of various production sites can be met, and the device is also suitable for families, and is widely applied.

The invention discloses a chip-type Ka-frequency band wide-angle scanning satellite communication antenna which comprises a radiation layer, a correction network layer, a radio-frequency circuit layer, an environmental control layer, a power distribution layer, a radio-frequency signal power division layer and a wave controlled network layer, wherein the radiation layer is connected with the correction network layer and the radio-frequency circuit layer respectively, the correction network layer is connected with the radiation layer and the wave controlled network layer respectively, the radio-frequency circuit layer is connected with the radiation layer, the environmental control layer is arranged between the radio-frequency circuit layer and the power distribution layer, the power distribution layer is connected with the radio-frequency circuit layer, the radio-frequency signal power division layer is connected with the radio-frequency circuit layer, and the wave controlled network layer is connected with the radio-frequency circuit layer and the correction network layer. In the chip-type Ka-frequency band wide-angle scanning satellite communication antenna, a chip-type active phased array antenna structure, high-efficient distributed feed space energy synthesis and a high-density monolithic microwave integrated circuit technique are adopted, and resources provided by the system and scale production technology are fully utilized, thus, system integration degree and utilization rate are improved, the height, the volume and the weight of an antenna system are reduced to the greatest extent, cost is reduced, and the requirements of mass production and debugging are met.

The invention discloses an automatic screwdriving machine and aims to provide the automatic screwdriving machine which has the beneficial effects that the positions of products can be automatically corrected, the production efficiency is improved, the consistency of the produced products is good, the quality is high, and the production cost is reduced. The automatic screwdriving machine comprises a mounting plate (1) and an electrical control system; a motor (2), a divider (3), a turntable (4), a screw gun (5) and a feeding mechanism are arranged on the mounting plate (1); a plurality of fixtures (6) for positioning the products are arranged on the turntable (4); and the screw gun (5) is connected with the feeding mechanism through a feeding pipe. The automatic screwdriving machine also comprises a screw gun moving mechanism arranged on the mounting plate (1) and a correcting mechanism; the screw gun (5) is arranged on the screw gun moving mechanism and is positioned above the turntable (4); and the correcting mechanism is positioned above the turntable (4).

The invention relates to a method for electrocatalytic reduction of CO2 using multi-metal oxygen cluster ionic liquid as electrocatalyst. The method is characterized in that positive ions of the multi-metal oxygen cluster ionic liquid are imidazoles [Cnmim]+(n=2, 4, 6, 8), pyridines [Cnpyr]+(n=2, 4) and quaternary ammonium salts [N4444]+, and negative ions of the multi-metal oxygen cluster ionic liquid are phosphotungstic acid negative ions (PW12O403-) and phosphomolybdic acid negative ions (PMo12O403-); and the electrocatalytic reduction reaction is a three-electrode system, wherein a glassy carbon electrode is a working electrode, a platinum sheet electrode is a counter electrode, and a saturated calomel electrode is a reference electrode. The method is simple in process and convenient in operation, performs the electrocatalytic reduction for the CO2 to form such fuels as methane and carbon monoxide, realizes the resource utilization of the CO2, reduces the atmospheric pollution, and has important significance on the environmental protection.

The invention discloses a method for judging a fluid type of a reservoir by utilizing logging data of while-drilling drilling fluid, which comprises the following steps of: A, data collection, i.e., collecting performance parameters of the while-drilling drilling fluid of a target stratum, wherein the performance parameters comprise electrical conductivity, a temperature, drilling time and a hydrocarbon component of the drilling fluid; B, data processing; C, setting of a crossplot graph data track, i.e., for a plumb shaft, respectively combining an Sf data track and a Tf data track to form an S-T data track, combining the Sf data track and a DHf data track to form an S-DH data track and respectively making crossplots; D, judgment of the fluid type, i.e., using the S-T dat track for judging a dry layer (a micro gas-bearing bed) and an aqueous layer, using the S-DH data track for the plumb shaft to judge the gas-bearing bed or a gas reservoir and using a DO-DH data track for judging an oil-bearing formation or the gas-bearing bed. When the method is adopted, an explanation result of the method is objective and accurate, the coincidence rate of the explanation result and the oil testing conclusion is high, and the requirements on production and research can be met.

The invention relates to an automatic hoister, which is particularly suitable for automatically hoisting pretreated semi-finished products in batches in the process of blanking metal pipe materials or bar materials in batches and other machining. The automatic hoister has the main technical characteristics that: two drive sprockets 20 at an interval of a certain distance are coaxially arranged on two revolving shafts 1; a plurality of link plates 7 are riveted outside two single-lug roller chains 8 continuously at equal intervals; a push plate 10 is fixed on the link plates 7 in parallel by bolts; a baffle plate 11 is arranged on the inner side at the bottom of a charging hopper 12 by a hinge; two bearing blocks 14 which are fixed on the side edge at the upper part of a steel member by the bolts are used to support semi-finished workpieces in a hoisting and conveying process; and an adjusting screw rod 5 which is welded outside an oil-receiving groove 6 can adjust the inclination of the hoister so as to meet the requirement of the height to which the semi-finished products need to be hoisted. The automatic hoister is capable of relieving labor intensity and increasing production efficiency, and has the advantages of simple structure, convenient usage and maintenance, and the like.

The invention relates to a multifunctional single frame emulsion system of a reversible cold rolling mill. The multifunctional single frame emulsion system comprises an emulsion tank, a temperature controller, a jetting device, a rolling mill, a collecting device, a magnetic filter device, a vacuum filter device, and the emulsion tank which are connected in sequence. Rolling oil and industry desalted water are introduced to the emulsion tank. The emulsion tank is characterized in that the rolling oil is diffused and the emulsion is heated in the emulsion tank. Another emulsion dirty box is arranged between the magnetic filter device and the vacuum filter device. The emulsion dirty box is communicated by another path at the same time and receives the overflow liquid from the emulsion tank. The vacuum filter device is connected to a connecting pipeline which is used for connecting the emulsion tank and the temperature controller at the same time. The rolling oil and the industry desalted water can be also introduced to the emulsion dirty box. The difference between the multifunctional single frame emulsion system provided by the invention and a conventional single frame emulsion system is that the invention provides two emulsion tanks capable of operating independently and jointly so as to meet the demands of rapid start, continuous production and production cleanness during production of the single frame rolling mill.

The invention discloses a textile printing and dyeing electronic jet drying cylinder dryer and a jet drying cylinder, waste gas heat recovery and condensate water recovery thereof and a method for setting a moisture regain reference roller. The electronic jet drying cylinder dryer consists of a heat insulating and preserving drying room, the jet drying cylinder, a heat recovery and jet system and an electronic information system, wherein exhaust air is divided into exhausted air and circulating air according to humidity of the exhaust air; heat of the exhausted air is recovered by fresh air; the fresh air is mixed with the circulating air; the heat of condensate water is then recovered and the condensate water is sprayed to a textile; heating is performed and drying conditions are improved; complete on-line detection and control are performed on temperature, tension and moisture regain of the textile and humidity, temperature and speed of an air flow; therefore, heat application efficiency and drying efficiency are increased, production cost is reduced and production requirement of high-grade textiles is met in a scientific, strict, careful and reliable drying mode. The electronic jet drying cylinder dryer can be used for substituting a drying cylinder dryer or is made by modifying the drying cylinder dryer; a waste gas heat recovery system and a condensate water recovery system are suitable for various heating production occasions; and by the method for setting the moisture regain reference roller, reliability and validity of moisture regain control are solved.

The invention relates to a spherical LED (Light-Emitting Diode) display device which comprises a display screen and a substrate, wherein the bottom of the display screen is fixed on the substrate; the display screen is a hollow spherical body which is defined by mutually connecting multiple arc-shaped LED display modules along a longitude line direction and a latitude line direction through connecting plates, wherein the bottom of the hollow spherical body is planar; and the top of the display screen is provided with an opening. The spherical LED display device has the advantages that the spherical LED display screen has a round display screen appearance and multi-azimuth view angles; the image display is coherent and free from chromatic aberration, the inner space is large, the structural stability is good, and the disassembly, assembly and transport are convenient; and the large-scale stage performance requirements and indoor and outfield use requirements can be met.

The inert cermet anode for aluminum electrolysis is prepared with Fe2O3, NiO or Ni2O3, metal Al, Ni or Cu and additive as materials, and through the steps of stoving, sieving, mixing, cold pressing to form, sintering and cooling to room temperature. The assembling process includes polishing, cutting semi-circular slots, drilling pores, arranging, holding in two stainless steel plates, screws and nuts to form inert cermet anode. The process of the present invention can produce large inert cermet anode plate for current up to 500-600 A to pass through.

The invention discloses a method for putting in and taking out a coiled tubing being used as a production tubing string. The method for putting in the coiled tubing being used as a production tubing string comprises steps of mounting a well head blowout preventer system, an injection head and the coiled tubing above a tubing head four-way joint and a main valve, mounting a tool string to the lower end of the coiled tubing, and putting into a designed depth; cutting the coiled tubing off by a shear ram of a first blowout preventer; sequentially mounting a hanging connector and a tubing hanger to the upper end of the cut low-half coiled tubing, stretching the cut up-half coiled tubing out of a blowout preventing tubing, and connecting the cut up-half coiled tubing with a hydraulic retractable feeding / recycling tool; putting the tubing hanger in the tubing head four-way joint; and fixing the tubing hanger of the coiled tubing into the tubing head four-way joint. According to the method for putting in and taking out the coiled tubing being used as the production tubing string, the coiled tubing replaces a conventional tubing and is directly used a production tubing string, a standard gas production tree well head is achieved after construction, and the sealing effect of the well head can be ensured at the same time.

The invention provides a method for determination of a concentration of mineral oil mist in workshop air. The method comprises the following steps of collecting an oil mist sample form air by an ultrafine glass fiber membrane, carrying out extraction by 10mL of CCl4, directly carrying out detection by an infrared spectrophotometer by scanning in a range of 2700 to 3200cm<-1> to obtain the maximum absorption peak as a sample measurement wave number, and subtracting the absorbance at the wavelength of 3200cm<-1> from the absorbance of the maximum absorption peak to quantify a concentration of mineral oil mist in the oil mist sample. The method is accurate and fast, produces a small interference, has high sensitivity, precision less than 10%, accuracy less than 10% and a detection limit of 2.0 microgrammes per milliliter, and satisfies detection and research requirements. The method provided by the invention fills in the blank of infrared spectrophotometry-based determination of mineral oil mist in workshop air.

The invention discloses a device for arranging and binding packaging boxes automatically. The device mainly comprises a rack, a binding machine, a stopping mechanism for stopping the packaging boxes from being delivered continuously, a translation mechanism for moving and arranging the packaging boxes laterally and an anti-falling mechanism for preventing the packaging boxes from falling. A delivery mechanism is arranged on the rack, and the binding machine is arranged at the tail end of the delivery mechanism. The translation mechanism, the stopping mechanism and the binding machine are arranged along the delivery direction of the delivery mechanism successively. Compared with prior equipment, the device has the advantages that the structure is simple, the cost is low, the packaging boxes can be advanced stably, stopped at fixed points and arranged in groups, the plate product packaging quality can be guaranteed, production and transportation requirements can be met, the cost can be saved, and the production efficiency can be improved.

The invention discloses a control method and system for a coke oven riser pipe. The system comprises the riser pipe, a bridge pipe, a low pressure ammonia water spray nozzle, a high pressure ammonia water spray nozzle, a corresponding low pressure ammonia water pipeline, a corresponding high pressure ammonia water pipeline and a programmable controller, wherein a pipe cover capable of being opened and closed and a pipe cover driving cylinder are arranged on the riser pipe; the bridge pipe is connected to an end opening in one side of the riser pipe; a water seal valve and a water seal valve driving cylinder are arranged at the lower end of the bridge pipe; the low pressure ammonia water spray nozzle is arranged at a position, which is close to a riser pipe joint, in the bridge pipe; the high pressure ammonia water spray nozzle is arranged at a position, which is located below the low pressure ammonia water spray nozzle, in the bridge pipe; the low pressure ammonia water pipeline and the high pressure ammonia water pipeline are respectively connected to two end openings of a three-way ball valve; the three-way ball valve is connected with a three-way ball valve driving cylinder or an electromagnetic driving valve; an electromagnetic switching valve or / and the electromagnetic driving valve is / are electrically connected with the controller, and is / are electrically connected with a coke oven control system. According to the control system disclosed by the invention, safe interlocking between all facilities of the riser pipe and work of a coal charging car of the coke oven and a coke pusher is realized; by automatic control and replacement of unmanned work for manual work, the cooperation order of workers and the time deviation of the manual work are eliminated, and the safety and environmental protection risk during work of the coke oven riser pipe is reduced.

The invention provides a filter tip and a filter stick pre-buried with solid capsules. The filter tip comprises forming paper, a filter element and the solid capsules, wherein the forming paper wraps the periphery of the filter element, and the solid capsules are pre-buried in the filter element. The solid capsule is composed of a large hemispherical shell, a solid medical material and a small hemispherical shell; and the solid capsule presents a sphere shape, an ellipsoid shape or a medical capsule shape. The solid medical material has the ingredients of a natural flavour, an artificial flavour or Chinese herbal medicines or an absorbent material. When the filter tip is kneaded by fingers of a human body, the large hemispherical shell and the small hemispherical shell are deformed, and an obvious gap is generated therebetween, and the smell of the solid medical material can be emitted, or an adsorption effect is generated simultaneously. A filter stick pre-buried with solid capsules is formed in the case that a plurality of filter tips are integrally connected. According to the invention, the solid medical material is slowly released and slowly sucked, thus meeting requirements on the production and the storage life of the filter tip; and the solid medical material is good for exerting effects by the kneading during sucking. According to the filter tip and the filter stick pre-buried with solid capsules provided by the invention, the flavour of a cigarette can be added, the adsorption capacity of the filter tip is improved, and the harm on human health is reduced.

The invention relates to a vortex type bubble spinning device, which comprises a liquid storage tank, an air pump, a nozzle, a receiving part and an air guide pipe. The upper end of the liquid storage tank is provided with an opening, the nozzle is connected with the air pump through the air guide pipe, a connection part of the air guide pipe and the air pump is higher than a liquid level of the liquid storage tank, two sides of the liquid storage tank are respectively provided with at least one hot air flow spraying slot, and the air flow outlets of the hot air flow spraying slots face a jet flow spraying part at the upper end of the liquid storage tank. By adopting the vortex type bubble spinning device provided by the embodiment of the invention, high-efficiency, low-power-consumption and continuous production of micron or nano fibers can be realized, the nano fibers can be produced only by the spraying of hot air flow and blowing breakage of bubbles, the scale production of the nano fibers can be realized, the production efficiency is high, the production cost is low, the device is simple, can be easily operated and has high adaptability, and demands for the nano fibers and relevant products in mass production and product applications can be satisfied.

The invention relates to a detection method for gamma-aminobutyric acid (GABA) content in food by using high performance liquid chromatography (HPLC) method. The method is characterized by: carrying out sufficient whirling through double distilled water, and an ultrasonic extraction for a sample requiring detection, then carrying out a centrifugating to obtain supernatant, followed by filtering the supernatant to obtain the sample liquid; weighing the GABA standard substance, then dissolving the GABA through the double distilled water, and carrying out a metered volume for the GABA solution to adopt the solution as a standard stock solution, further dissolving the standard stock solution through the double distilled water to obtain a standard working solution having a concentration gradient; adopting o-phthalaldehyde and 2-mercaptoethanol as derivating agents, and carrying out a derivation for the sample liquid through a HPLC equiped with a online derivation apparatus, followed by carrying out a quantitative detection through a external standard method. The method for detecting the GABA content in the food is quick and effective, and has a linearity range of 0.5-1000 mg / L, a recovery rate more than 88.2%, a relatibe standard deviation (RSD) less than 5%. In addition, with the present invention, a reliable and convenient method is provided for detecting the GABA content in the food,; requirements of researches and productions are met.

The invention discloses a method and a system for printing variable graphic and text information on a printed product. The method comprises the steps of guaranteeing the accurate positioning of paper margins when roll paper is fed; repeatedly printing or machining positioning marks on the roll paper at a certain distance; printing the position of the variable graphic and text information according to the positioning marks and the accurate positioning of the paper margins; after printing, rolling the roll paper or cutting the paper into single sheets by positioning according to the marks. According to the technical scheme of the embodiment, the process of spraying a code first and then printing is adopted, so that the problem of registration of the printed product and the printed variable graphic and text information is preferably solved, additionally, the problems that the paper is flattened so as to increase the printing quality and an inkjet head is polluted by dust on the printed product are solved, the matching problem of the speed of a printing machine and the printing speed is solved, and the matching problem of printing gloss oil and printing ink is solved.

The invention relates to a temperature variation sensing and index calculating method of textiles. The method comprises the steps of testing a to-be-tested test sample in a required temperature and humidity environment after balancing; preheating a preheating test sample covered with an instrument hot plate, replacing the preheated test sample by utilizing the to-be-tested test sample, starting the test and recording a thermal power curve; defining a cold sensing time T as a peak of an initial section of the thermal power curve, i.e. a period of cold feeling time; defining the total heat loss W1 in the cold feeling time as the total heat loss of a unit area of the test sample in the cold feeling time T; defining the pure cold feeling heat loss W2 as the heat transferred from the human body to the textile due to the temperature difference at the beginning of the contact between the textile and the skin of a human body, wherein the pure cold feeling heat loss W2 is calculated in a way of subtracting the heat transferred by a unit area of test sample under the steady-state heat transfer condition within the period of time T from the total heat loss in the cold feeling time. The method is used for evaluating the temperature variation characteristic of a planar or curved fiber aggregation.

The invention discloses a neural stem cell culture amplification method, which comprises the following steps of culturing different sources of neural stem cells with a culture solution, adding a nutritional supplement solution, replacing a fresh culture solution, selecting a certain size of neurospheres for passage and the like. A formula of a relative culture solution, the nutritional supplement solution and other compositions is also provided. The method obviously improves the proliferation efficiency of neural stem cells under static culture, no antibiotics are used, and the cost is lower. The method is suitable for industrial production.

The invention discloses an open hole staged fracturing well completion pipe string provided with a controllable valve and a hydraulic control switching pipe string, which are suitable for well completion processes of horizontal wells and straight wells. The hydraulic control switching pipe string is tripped to open and close the open hole staged fracturing well completion pipe string provided with the controllable valve, so that multilayer-section fracturing well completion construction is realized, and development requirements of low-permeability oil reservoirs and unconventional oil and gas resources are met. The pipe string is sequentially connected with a drill stem running tool, a top suspension packer, a hydraulic control switching retention cylinder, a switchable control valve, an open hole fracturing packer connected with the control valve, a shaft isolating valve and a bottom circulating valve from top to bottom by using a bushing. The hydraulic control switching pipe string comprises a hydraulic control switching tool and a continuous oil pipe; and a set of hydraulic control switching tool is connected to the bottom of the continuous oil pipe. The switchable control valve has the internal drift diameter of the same size; sand fracturing well completion can be performed on a stratum by using the bushing; and thus, requirements of large-displacement and large-scale fracturing reconstruction are met, the crack length, the crack number and the flow guide capacity are increased, and the production capacity and the recovery ratio are effectively increased.

The embodiment of the invention provides a water affair data analysis method and device. The method comprises the following steps of obtaining data to be analyzed; extracting indexes respectively corresponding to a plurality of preset dimension fields from the data to be analyzed; receiving first user information, wherein the first user information includes analysis strategies of each preset dimension field corresponding to each index; according to each analysis strategy, respectively calculating a value of each preset dimension field corresponding to each index; generating corresponding report forms. The method has the advantages that scattered and disordered mass data to be analyzed are generated into report form formats concerned by a user according to the demands of the user; the user can conveniently check the concerned indexes; reference data is provided for enterprise integral operation management and decision making. Further, the summarizing calculation and statistical analysis workload of operation and management personnel can be reduced; the operation supervising work efficiency of an enterprise is improved; the integral informatization management level of the enterprise is improved.

The invention discloses a controlled-valve placed well-cementing staged-fracturing well-completion string and a hydraulically-controlled switch string, which are suitable to be applied to a well-completion process for horizontal wells and vertical wells, and through tripping in the hydraulically-controlled switch string to start and close the controlled-valve placed well-cementing staged-fracturing well-completion string, multi-layer-and-section fracturing well-completion construction is realized, thereby meeting the needs of development on low-permeability oil reservoirs and unconventional oil / gas resources. The controlled-valve placed well-cementing staged-fracturing well-completion string, from top to bottom, is sequentially connected with a hydraulically-controlled switch tool detention cylinder, a switchable control valve and hydraulic casing centralizers connected with the two ends of the switchable control valve, a pressed settling valve and a bottom circulating valve by using a casing; and at least a set of switchable control valve and hydraulic casing centralizers connected with the two ends of the switchable control valve are equipped in the string. The hydraulically-controlled switch string comprises hydraulically-controlled switch tools and a continuous oil pipe, and a set of hydraulically-controlled switch tool is connected to the bottom of the continuous oil pipe. The switchable control valves are same in inner drift diameter (same in size), and can carry out well completion on stratums through the sand fracturing of the casing, thereby satisfying the needs of large-displacement and large-scale fracturing reformation.

The invention belongs to the technical field of a fiber asphalt preparation method, and particularly relates to a production process for a complete set of a general asphalt carbon fiber. The production process solves problems of a conventional production method for a general asphalt carbon fiber that a technology is complex, cost is high, and continuous production cannot be carried out. The production process comprises steps as follows: getting aromatic heavy components as raw materials, adjusting by asphalt, fusing and spinning, continuously non-melting, and continuously carbonizing, so as to obtain the general asphalt carbon fiber. The production process has the advantages of being simple in production process and technological condition, low in industrialization cost, and strong in industrialization operability and the like.

The invention provides a distributed three-phase four-wire photovoltaic grid-connected device with an electric energy adjusting function, belonging to the technical field of a multifunctional photovoltaic grid-connected device and aiming to solve the problem that the conventional device cannot compensate an idle component, a harmonic component and an unbalanced component which are generated by a user electricity load and cannot remove pollution on a power grid caused by grid-connected currents of the components. The distributed three-phase four-wire photovoltaic grid-connected device comprises the power grid, the user electricity load, a photovoltaic array, a DC (Direct Current) / DC converter, a three-phase four-wire grid-connected inverter, a digital signal processing control unit, a circuit breaker, a first detector and a second detector. The first detector is used for detecting the output-phase current at the alternating current side of the three-phase four-wire grid-connected inverter and the input voltage and the input current of the user electricity load; and the second detector is used for detecting the output voltage and the output current of the photovoltaic array. According to the invention, the photovoltaic grid-connected device which is used for production and scientific research of multidirectional development of solar energy sources and is particularly applicable to a photovoltaic grid-connected generation device which is combined with buildings and is connected into the power grid in a three-phase four-wire manner is provided.

The invention provides a noodle stewing machine. The problems in the prior art that fried and dried noodles are not good for the health, and the time and labor waste caused by that the noodles are eaten after being strewed with water can be solved. The noodle stewing machine comprises a rack, a pot body, an exhaust duct, a delivery system, a power motor, a noodle falling opening and a noodle outlet, wherein the pot body is arranged inside the rack; the exhaust duct is arranged at the top of the rack; the delivery system comprises a noodle basket for placing noodles, a delivery chain for mounting the noodle basket, and a chain wheel which is used for supporting the delivery chain, and changing the movement direction of the delivery chain and is arranged on the rack; the power motor is arranged at the top of the rack and is connected with the chain wheel; the noodle falling opening is used for enabling cut noodles to fall into the noodle basket, and is arranged on the rack; and the noodle outlet is used for discharging stewed noodles. The noodle stewing machine provided by the invention can be used for machining convenient wet noodles in a stewing manner, so that not only can the characteristics of the noodles be kept, but also the negative influence on the human health caused by the fried and dried noodles can be avoided. Furthermore, the large-scale production of factories can be satisfied. The noodle stewing machine can be used by being assorted with upstream and downstream equipment, so that the automatic control can be realized. The noodle stewing machine has the characteristics of security, high efficiency, convenience in use and the like.

The invention belongs to the technical field of water treatment and particularly relates to a Fe3O4 / CeO2 nanometer composite material, a preparation method and application. The composite material is prepared through a coprecipitation method. The surface of CeO2 is wrapped by nanometer Fe3O4 particles in the composite material. The Fe3O4 / CeO2 nanometer composite material can serve as peroxide mimic enzyme to be applied to treating p-nitrophenol waste water. The invention provides the preparation method of the new Fe3O4 / CeO2 nanometer composite material. The preparation method is high in operability and can well meet requirements of large-scale production and actual application. With the Fe3O4 / CeO2 nanometer composite material prepared through the new method as a base, the inventor performs new application research, when the Fe3O4 / CeO2 nanometer composite material is applied to treating p-nitrophenol wastewater, a good application effect is shown, the p-nitrophenol degrading rate can be well kept at 90% or above, and application prospects are good.

The invention provides a method for target material component welding. The method comprises the following steps that an aluminum target material and a copper back board are provided; silver is plated on a face to be welded of the aluminum target material to form a silver middle layer; the aluminum target material with the silver middle layer and the copper back board are placed in a vacuum bag, the silver middle layer is located between the aluminum target material and the copper back board, and the vacuum bag is arranged in a welding device; the hot isostatic pressure technology is used for welding the aluminum target material with the silver middle layer and the copper back board together to form a target material component; after welding is completed, the vacuum bag is cooled and removed, so that the target material component is obtained. The method is high in welding efficiency, the formed target material component is good in welding binding rate, high in welding strength and small in deformation, the internal organization structure of the aluminum target material in the target material component meets the sputtering requirement, and therefore requirements for long-time stable production and using of target materials can be met.

The invention discloses a plastic thin film and a preparation method thereof. The plastic thin film is prepared from the following raw materials in parts by weight: 40 to 70 parts of polyvinyl chloride, 40 to 60 parts of acrylic resin, 8 to 13 parts of polyethylene wax, 10 to 18 parts of talcum powder, 5 to 9 parts of organized montmorillonite, 30 to 50 parts of polyvinyl alcohol, 8 to 16 parts of sodium-titanium phosphate, 12 to 24 parts of polyacrylamide, 1.5 to 3 parts of dicumyl peroxide, 1 to 3 parts of antioxidants, 8 to 13 parts of calcium carbonate, 0.3 to 0.7 part of silane coupling agents, 8 to 13 parts of dioctyl phthalate, 1 to 3 parts of light stabilizers, 3 to 7 parts of glyceryl tristearate, 1.5 to 5 parts of styrene-acrylonitrile copolymers and 0.8 to 1.8 parts of plasticizing agents. Compared with the prior art, the plastic thin film has the advantages that the tensile strength of the plastic thin film is high; the preparation process is simple.

The invention relates to eco-friendly safe reducing agent-based graphene and its preparation method and application. The preparation method comprises preparation of graphite oxide and preparation of graphene. The preparation method comprises preparing graphite oxide from natural graphite as a raw material by a Hummers method using concentrated sulfuric acid (H2SO4), sodium nitrate (NaNO3) and potassium permanganate (KMnO4) as oxidants, carrying out ultrasonic dispersion to strip the graphite oxide so that a stable graphite oxide dispersion liquid is obtained, and reducing the graphite oxide at the room temperature through L-ascorbic acid as a reducing agent and ammonium hydroxide as a stabilizer so that graphene is obtained, wherein through control of graphite oxide reduction reaction time and a ratio relationship of graphite oxide and L-ascorbic acid, different graphene materials are obtained. The method has the characteristics of simple and safe system, good biocompatibility and stable product physical and chemical properties. The product prepared by the method can meet the needs of biomedical application.