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103results about How to "Change status" patented technology

Anti-aging polypeptide compound and application thereof

The invention discloses an anti-aging polypeptide compound. The anti-aging polypeptide compound comprises the following components of, by weight, 20% to 30% of dipeptide diaminobutyroyl benzylamide diacetate, 10% to 30% of palmitoyl tripeptide-5, 5% to 10% of palmitoyl tetrapeptide-7, 5% to 10% of pentapeptide-3, 5% to 10% of hexapeptide-11, 5% to 10% of heptapeptide-6 and 20% to 30% of acetyl octapeptide-3. The sum of the weight percentages of all the components is 100%. The anti-aging polypeptide compound has the good application prospects in the facial mask essence preparation field, the skin can be made compact and smooth, dimness and roughness are avoided, and the skin returns to the young healthy state.
Owner:上海圣婕化妆品有限公司

Automatic equipment fault positioning and display method based on virtual reality technology

The invention discloses a fault location and display method for automation equipment based on virtual reality technology, which includes a virtual connection of automation equipment, a fault location device and a visual display device. The device includes a real-time early warning device, a communication fault fast locator, a remote control failure locator, a remote signal jitter locator and a telemetry dead number locator, and the visual display device includes a control center display, a mobile intelligent terminal and a fault command vehicle. The invention realizes graphical display through the SCD virtual connection definer, predicts the state of the network or equipment through the fault location device, facilitates fault finding, makes remote control problems well-documented, and improves remote signal jitter and remote measurement dead number problem searching The efficiency of mobile smart terminals reduces communication errors, and the fault command vehicle improves the accuracy of reaching equipment fault points.
Owner:俞秋芳

Displacement sensor fault detection circuit and control system thereof

ActiveCN103884265AFast detection of short circuit faultsQuick checkElectrical testingUsing electrical meansControl systemPower circuits
The invention discloses a displacement sensor fault detection circuit and a control system thereof. The displacement sensor fault detection circuit comprises a power circuit, a short-circuit fault detection circuit, an open-circuit fault detection circuit and a power supply failure fault detection circuit, and further comprises a power supply Vcc1, a power supply Vcc2, a resistor R1, a resistor R3, a resistor R4, a resistor R5, a transistor Q1, a transistor Q2 and a transistor Q3. The input end of the short-circuit fault detection circuit is the signal input end of the displacement sensor fault detection circuit and is grounded through the R1 and the Vcc1, and the output end of the short-circuit fault detection circuit is the signal output end of the displacement sensor fault detection circuit. The base electrode of the Q1 is connected to the signal input end through the R3, the emitting electrode of the Q1 is connected to the positive electrode of the Vcc1, and the collector electrode of the Q1 is grounded through the R4. The base electrode of the Q2 is connected with the collector electrode of the Q1, the emitting electrode of the Q2 is connected to the positive electrode of the Vcc1, and the collector electrode of the Q2 is connected to the signal output end. The emitting electrode of the Q3 is connected with the positive electrode of the Vcc1, the collector electrode of the Q3 is connected with the signal output end, and the base electrode of the Q3 is connected with the positive electrode of the Vcc2 through the resistor R5.
Owner:WUJIANG LYUKONG ELECTRIC CONTROL TECH

Method for preparing double-wall-layer fresh ginger volatile oil microcapsules

The invention relates to a method for preparing double-wall fresh ginger volatile oil microcapsules.The method includes the steps that fresh ginger volatile oil is dispersed in an inner layer wall material and homogenized at normal temperature and high pressure, and a primary suspension is prepared; secondly, the primary suspension is dispersed in an outer layer wall material, emulsifier is added, the primary suspension is homogenized at normal temperature and high pressure, and a secondary suspension is obtained; thirdly, the secondary suspension is dried, and the double-wall fresh ginger volatile oil microcapsules are obtained.The embedding rate of the prepared fresh ginger microcapsules is 81-98%, in the preparation process, the technology that fresh ginger volatile oil is supercritically extracted and normal-temperature double-layer embedding, high-pressure homogenization and freezing or spray drying are conducted is adopted, so that the product embedding rate is high, the embedding effect is good, flowability is good, stability of effective components of the fresh ginger volatile oil can be improved, bioavailability is high, and the method is used in the food and health-care product field.
Owner:李洪清

Stone needle functional fibers and processing technology thereof

The invention discloses stone needle functional fibers, which consist of stone needle functional masterbatches and polypropylene fiber-grade resins, wherein the stone needle functional masterbatches comprise the following components in percentage by weight: 1 to 15 percent of stone needle powder additive, 2.5 to 9 percent of coupling agent, 15 to 25 percent of dispersing agent and 52 to 67 percent of carrier resin. A processing technology comprises two steps of preparing the stone needle functional masterbatches and performing melt spinning. The invention has the advantages that the fibers are novel functional fibers; a scientific and effective method and process is adopted, and active ingredients of stone needle are added into fibers, so that the fibers have the medial care function of the stone needle; because the active ingredients of the stone needle are added into the fibers through melt spinning, the fibers have a lasting medical care effect; and when a user wears clothing made of the fibers, the clothing have the medical care function at any time in any places, and the stone needle functional fibers are ideal health-care functional fibers.
Owner:TIANJIN SAIYUAN HEALTH PROD

Automatic control lifting table

The invention relates to an automatic control lifting table. In the invention, by adopting a counterweight support device relative to the sum of the weight of a tabletop, and upper slideway and a horizontal hook trough plate, the table can be stably and softly changed into the shape of a tea table and a dining table only by equal and small force of one hand when the tabletop raises and falls. The automatic control lifting table has the beneficial effects that indoor space is saved, and the peripheral range of the occupied area of the tea table can meet the conditions of dining or work for a plurality of persons; a locating clip and a plate-type hook can respectively keep the status of the automatic control lifting table unchanged under dining table and tea table statuses in the case of lifting and moving the automatic control lifting table; and under the dining table status, legs and feet of diners can be placed in comfortable space just like the common dining table, and four legs and storage drawers can be disassembled and assembled conveniently so as to facilitate package and transportation. Therefore, the automatic control lifting table can meet the demand for one table as a plurality of life appliances in a small-sized apartment.
Owner:钟延波

Lighting control system and method

A system for the control of a set of powered utilities is disclosed. The system comprises a first device which in turn comprises a processor capable of altering a state of a first powered utility. This first device further comprises a data port configured to transmit a set of messages. These messages include a transmitted message delivered from the processor. The system additionally comprises a second device which in turn comprises a second processor capable of altering a state of a second powered utility. The second processor is configured to selectively alter the state of the second powered utility based on the transmitted message.
Owner:LUMETRIC LIGHTING

Composite hollow fiber membrane and its preparation and application

InactiveCN1657144AImprove selective separation performanceImprove the ideal separation factor of pure gasSemi-permeable membranesHollow fibrePolymer science
A composite hollow fibre membrane based on the composite resistance Henis membrane model (silica rubber / polysulfone membrane) for separating H2 or N2 with high effect is composed of basic membrane, water-soluble high-molecular layer in rubber state at ordinary temp and silica rubber layer. It can be used for the ammonia synthesizing plant or oil refinary to recover N2 or H2. Its preparing process is also disclosed.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Method for preparing aluminum-based composite material subjected to enhanced particle-copper alloy interface compatibility treatment

The invention discloses a method for preparing an aluminum-based composite material subjected to enhanced particle-copper alloy interface compatibility treatment. The preparation raw materials comprise 100 weight parts of matrix alloy, 8-10 weight parts of enhanced particles and 0.05-0.08 weight part of refining agent, wherein the matrix alloy selects 75-80 weight parts of cast aluminum alloy ZAlSi8MgBe, 15-20 weight parts of copper alloy Cu20Ni20Mn and 5-8 weight parts of copper alloy Cu20Ni35Mn; the enhanced particles refer to combinations of tungsten carbide, tetrapod-like zinc oxide whiskers, silicon carbide and nanometer titania; and the weight ratio of the four enhanced particles is (4-4.5):(3-3.5):(1-1.5):(2-2.5). The aluminum-copper-based composite material prepared by the method disclosed by the invention is light in weight, high in specific strength, high in specific stiffness and low in thermal expansion coefficient and has high thermal conductivity and high wear and corrosion resistance. Moreover, the preparation is simple, the cost is low, the enhanced phase is in dispersed distribution in the matrix and has isotropy, and the composite material is applied to various complex stress states.
Owner:福铂斯(天津)科技有限公司

Seat type trolley luggage case with variable volume

InactiveCN107019310AIncreased comfort and flexibilityHumanized and convenient designLuggageEngineeringMechanical engineering
The invention relates to a seat-type trolley luggage case with variable volume. The trolley luggage case includes a lower case body with an upward opening and an upper case body with an opening downward and slidingly arranged on the lower case body. The bottom of the lower case body is provided with a lower case body. The box body is provided with a stair-climbing mechanism, a pull rod type seat mechanism is arranged on the outer side, and a volume control mechanism is arranged between the upper box body and the lower box body. Compared with the prior art, the present invention can change the volume of the trolley case and the state of the trolley seat mechanism according to different usage requirements, improve the comfort and flexibility of the trolley case, and make the design of the trolley case easier. It is more user-friendly and convenient, and has broad application prospects.
Owner:TONGJI UNIV

Blockage removal method and device for microwave hydrate for gas well

The invention discloses a blockage removal method and a blockage removal device for a microwave hydrate for a gas well. The deicing technology adopted by the conventional natural gas wells and carbon dioxide gas wells is that: 1, a well mouth or a gas pipeline is heated by adopting a water jacket furnace; 2, methanol and other inhibitors are added into the gas wells; 3, the carbon dioxide gas is heated by means of terrestrial heat of the stratum; and 4, an oil pipe gas recovery mode is changed into a sleeve gas recovery mode. The deicing technology has the disadvantages of severe environmental contamination, complex technology, high labor intensity and strict technical requirement. The blockage removal method is that: a high-frequency microwave power source is adopted and is guided into a well tube through a wave head pipeline, and a waveguide channel is formed by the well wall tube; and microwave electromagnetic waves are transmitted to a hydrate freezing blockage point in an enclosing way, so that the freezing blockage point is irradiated by the high-frequency electromagnetic waves, gets energy, raises the temperature and is dissolved. Therefore, the freezing blockage problem of the hydrate is solved. The blockage removal method is used for unfreezing the gas wells.
Owner:大庆市新中瑞环保有限公司

High-solid-phase-content aluminum oxide photosensitive ceramic material and preparation method thereof

The invention discloses a high-solid-phase-content aluminum oxide photosensitive ceramic material and a preparation method thereof. The preparation method comprises the following steps of: dispersingaluminum oxide ceramic powder into a surfactant dilute solution for modification treatment, and then performing drying and ball milling to obtain modified ceramic powder; mixing photosensitive resin,a plasticizer, a polymerization inhibitor, a dispersing agent and a photoinitiator to prepare a photosensitive premixed solution; and adding the modified ceramic powder into the premixed solution, fully dispersing the substance, and removing bubbles to obtain the high-solid-phase-content aluminum oxide photosensitive ceramic material. The ceramic photosensitive materials with the same solid phasecontent and different states are prepared so as to meet different requirements of various ceramic 3D printing.
Owner:XI AN JIAOTONG UNIV

Bean paste dipping powder and preparation method thereof

The invention provides bean paste dipping powder and a preparation method thereof and solves the problems of fixed form, difficulty in transportation, single sales scope and use form, big limitation to popularization and the like. The bean paste dipping powder provided by the invention comprises the following components in parts by weight: 5-30 parts of bean paste powder, 25-70 parts of chili powder, 5-20 parts of chicken essence powder, 1-5 parts of Chinese prickly ash powder, 2-12 parts of vegetable oil, 1-3 parts of sesame seeds, 0.5-5 parts of white granulated sugar and 0.5-10 parts of monosodium glutamate, wherein the bean paste powder is Pixian bean paste powder. The preparation method of the bean paste dipping powder comprises the following steps: firstly, sequentially performing selection of foreign matters and impurities and drying treatment on bean paste; then mixing the obtained bean paste with other materials uniformly; and finally performing sealing and radiation sterilization. The bean paste dipping powder has a better flavor and is more convenient to transport and use, and the preparation method is favorable for enlarging deep processing of the bean paste, obviouslyenhances the flavor of existing dipping powder, expands the range of use of the bean paste and is suitable for popularization and use.
Owner:SICHUAN PROVINCE PIXIAN COUNTY BEAN PASTE

Method and device for cleaning membrane

The invention relates to a device for cleaning a membrane, comprising two electrode plates and a filter unit. The filter unit is configured between the two electrode plates and comprises a supporting plate and a membrane which is configured on the supporting plate. By generating electrical field in the membrane region and carrying out backwashing on the membrane, scale deposit on the membrane can be cleared efficiently. The invention enables the cleaned membrane to restore to flux that is closer to the initial state, effectively eliminates incrustation on the membrane and biologic block to discharge the incrustation efficiently so that the membrane can be used efficiently to solve the problem of the uneconomical phenomenon that the membrane is obsolete.
Owner:IND TECH RES INST

Non-diffractive beam direction adjustable reconfigurable Bessel antenna

The invention relates to the field of microwave antennas, solves the problem in the prior art that the beseel beam direction cannot be effectively regulated in real time under the fixed microwave frequency, and discloses a non-diffractive beam direction adjustable reconfigurable bessel antenna which comprises a radial waveguide, a coaxial feeder and a reconfigurable impedance surface structure andalso comprises adjustable devices arranged in the reconfigurable impedance surface structure. The reconfigurable impedance surface structure is a periodic patch structure. The reconfigurable impedance surface structure is divided into four reconfiguration quadrants. The adjustable devices are arranged between patch slots on the non-axis in the reconfiguration quadrants. The state of the adjustable device switches of different quadrants of the reconfigurable impedance surface structure is changed by designing the reconfigurable impedance surface structure and setting different bias voltage ofthe reconfiguration quadrants so as to realize real-time deflection of the beam direction. The reconfigurable impedance surface structure is simple and suitable for non-diffractive beam transmission in different directions of the near field so that the antenna can be widely used in wireless energy transmission, near-field detection, medical imaging, secret communication and other fields.
Owner:SICHUAN UNIV

Relay protection hard pressure plate anti-misoperation system

The invention discloses a relay protection hard pressure plate anti-misoperation system comprising a hard pressure plate state setting module, a hard pressure plate state acquiring module, a hard pressure plate state comparing module, and an anti-misoperation alarm module. The hard pressure plate state setting module sets the states of various hard pressure plates according to a scheduling command. The hard pressure plate state acquiring module acquires the operating states of the hard pressure plates by acquiring the voltage at the contacts of the hard pressure plates. The hard pressure plate state comparing module compares the operating states of the hard pressure plates with set states. The anti-misoperation alarm module correspondingly gives a maloperation alarm according to a comparison result of the hard pressure plate state comparing module. The relay protection hard pressure plate anti-misoperation system solves maloperation phenomena frequently appearing in hard operation processes.
Owner:STATE GRID CORP OF CHINA +2

Hybrid diisocyanate polyurethane and preparation method hereof

The invention relates to the technical field of polymer application and particularly relates to anti-yellowing hybrid diisocyanate polyurethane prepared from one part of aromatic isocyanate and aliphatic isocyanate. A preparation method comprises the five steps of mixing selected aromatic diisocyanate and aliphatic diisocyanate at different molar mass ratios to prepare polyurethane; through use of more than two isocyanates, the reaction activity is different, the state of the molecular structure is changed, the quantity of unsaturated double bonds of a benzene ring is reduced, the trend of yellowing of the polymer due to the existence of the unsaturated double bonds and the influences of external factors is reduced, the cost of simply using the aliphatic diisocyanate is reduced from a certain extent, and meanwhile, the requirements of the industrial-grade yellowing resistance are achieved. According to the prepared hybrid diisocyanate polyurethane, the bonding effect and the application range of a product are improved on the premise of ensuring good yellowing resistance of a polyurethane film.
Owner:SHAANXI UNIV OF SCI & TECH

Preparation method and application of stearic acid modified zero-valent iron composite material

PendingCN112139507AInhibition of cold weldingIncreased fracturing rateTransportation and packagingMetal-working apparatusZerovalent ironStearic acid
The invention discloses a preparation method and application of a stearic acid modified zero-valent iron composite material. The preparation method comprises the following steps: in a vacuum or inertgas atmosphere, mixing stearic acid and iron powder according to the mass ratio of 1: 125-2000, then carrying out ball milling, and obtaining the stearic acid modified zero-valent iron composite material after ball milling is finished. According to the method, the stearic acid and the iron powder are mixed and then subjected to ball milling, and the stearic acid is used as a process control agentto be adsorbed onto new surfaces of particles; and the particle surface state is changed by hindering collision required by intermetallic cold welding and reducing the surface activity of the powder particles, so that cold welding is inhibited, the intergranular fracturing rate is increased, and finally the removal efficiency of the stearic acid modified zero-valent iron composite material on heavy metals and organic pollutants is improved.
Owner:ZHEJIANG UNIV OF TECH

Dust settling equipment with spray end capable of swinging back and forth for atmospheric dust pollution treatment

The invention discloses dust settling equipment with a spray end capable of swinging back and forth for atmospheric dust pollution treatment, comprising a device body, a handle, an electric telescopic rod, a spray barrel and a water pump. The handle is fixedly mounted at the left end of the device body, the electric telescopic rod is fixedly mounted in the device body, a one-way circulating valve is fixedly installed on a blow-off pipe, a vertical rod is installed on the inner side of an extrusion block, a water conveying pipe is installed below the left end of the spray barrel, the end of the water conveying pipe is fixedly installed on the side of the water pump, a fixed toothed plate is installed at the lower end of a positioning gear ring, and the side of the lower end of the fixed toothed plate is fixedly mounted at the upper end of the device body. According to the dust falling equipment with the spray end capable of swinging back and forth for atmospheric dust pollution treatment, the overall spray range can be enlarged in the spray type dust falling process, the working efficiency during atmospheric dust treatment is improved, and meanwhile, dust on the ground can be well absorbed and removed in the spray type dust falling process.
Owner:聊城市环科院检测有限公司

Low-voltage network electric pole

The invention relates to a low-voltage network electric pole. The low-voltage network electric pole comprises a pole body. The pole body comprises a supporting core column, a resin-soaking cloth layer is arranged on the outer surface of the supporting core column, a protective layer is arranged on the outer surface of the resin-soaking cloth layer, and the resin-soaking cloth layer is fiber reinforced polymer cloth or carbon fiber cloth or glass fiber cloth or non-woven cloth soaked with resin and is tightly wound on the outer surface of the supporting core column after being molten. A base fixedly connected with the supporting core column is arranged at the bottom of the pole body, and a wire frame pole fixedly connected with the supporting core column is arranged on the upper portion of the pole body. The supporting core column comprises the following raw materials of, by weight, 40-60 parts of Ti, 40-60 parts of Al, 5-10 parts of Cr, 1-3 parts of Mn, 8-10 parts of tetrapod-shaped ZnO whiskers and 1-4 parts of mixed rare earth, the length of the tetrapod-shaped ZnO whiskers is 10-12 micrometers, and the root diameter of the tetrapod-shaped ZnO whiskers is 1-1.5 micrometers. The low-voltage network electric pole is reasonable in structural design, high in strength, good in anti-bending performance and light in weight. A wire erecting rod is fixedly connected with the supporting core column, and the reliability of connection is guaranteed.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO BINZHOU CITY BINCHENG DISTRICT POWER SUPPLY CO

LED lamp overheat protection circuit

An embodiment of the invention discloses an LED lamp overheat protection circuit comprising a thermistor, a first triode, a first voltage dividing resistor, a second triode, a relay, an LED driving module, and an LED lamp. One end of the first voltage dividing resistor is connected to the positive electrode of a power supply, and the other end of the first voltage dividing resistor is connected with one end of the thermistor. The other end of the thermistor is connected to the negative electrode of the power supply. One end of the thermistor is further connected with the base of the first triode. The emitter of the first triode is connected to the negative electrode of the power supply. The collector of the first triode is connected with the base of the second triode. The collector of the second triode is connected with the GND end of the relay. The emitter of the second triode is connected to the negative electrode of the power supply. The common end of the relay is connected to the positive electrode of the power supply. The normally closed end of the relay is connected with the LED driving module, and the LED driving module is connected with an LED lamp. The thermistor is used for detecting the temperature of the LED driving module and the temperature of the LED lamp. By adopting the LED lamp overheat protection circuit of the invention, the LED lamp can be turned off when the temperature of the LED lamp is too high, and the safety of the LED lamp is improved.
Owner:OCEANKING DONGGUAN LIGHTING TECH +2

Remote control and remote communication positioning method and system based on power consumption information acquisition system

The invention relates to an equipment state acquisition method based on a power consumption information acquisition system. A master station, a concentrator and a remote control and remote communication positioning module are included; various remote communication interfaces of the concentrator are respectively connected to a remote control and remote communication positioning module; the alarm output end of the remote control and remote communication positioning module is connected with the remote communication end of the concentrator; the remote control and remote communication positioning module comprises multiple remote communication interfaces and multiple remote control interfaces; and various remote communication interfaces and remote control interfaces are respectively connected toa switch. The acquisition method comprises the steps of: periodically acquiring the remote communication input state of the remote communication interfaces, when the switch state is changed, detecting that remote communication is deflected by the remote control and remote communication positioning module, uploading switching information to the concentrator according to the mode set by the system,and sending to the master station by the concentrator. According to the method in the invention, the remote communication interfaces and the remote control interfaces are expanded through the remotecontrol and remote communication positioning module; the fact that various equipment switches are accessed to the master station in a unified manner is realized; the switch state can be obtained in real time; and furthermore, the equipment switches also can be remotely controlled.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +4

Preparation method of fortified nutrition salt containing vitamin A microcapsules

The invention discloses fortified nutrition salt containing vitamin A microcapsules and a preparation method thereof. The nutrition salt is prepared from the vitamin A microcapsules and table salt A,wherein each vitamin A microcapsule is prepared by taking vitamin A oil as a core material, a mixture of gelatin, carboxymethyl cellulose and table salt B as a wall material and an emulsifier and a curing agent as auxiliary materials, wherein the mass ratio of the gelatin to the carboxymethyl cellulose to the table salt B in the wall material is (4.5 to 5.5) : (0.5 to 1.5) : (0.1 to 0.3). According to the fortified nutrition salt disclosed by the invention, a certain amount of the table salt is added into the wall material so that the mechanical property of the wall material is increased; thefortified nutrition salt contains the vitamin A microcapsules so that the mechanical strength resistance is relatively strong and the stability is high; oil-soluble liquid-state vitamin A is solidified in a microcapsule form so that the stability of the vitamin A is improved and the vitamin A is convenient to process and store.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Scroll compressor and control method thereof

The invention aims to provide a scroll compressor and a control method thereof. The scroll compressor and the control method thereof mainly aim to solve the problem that two compression cavities of an asymmetric scroll compressor are different in pressure and air leakage occurs easily in the enthalpy addition process. The scroll compressor comprises a first compression cavity, a second compression cavity and an enthalpy-adding air inlet channel, wherein the first compression cavity and the second compression cavity can alternate in air suction and air exhaust; the enthalpy-adding air inlet channel is connected to the first compression cavity and the second compression cavity through a control device, and the control device is used for enabling the first compression cavity and the second compression cavity to be communicated with the enthalpy-adding air inlet channel in the enthalpy addition process and enabling the first compression cavity and the second compression cavity to be disconnected when enthalpy addition stops. The first compression cavity and the second compression cavity are disconnected when enthalpy addition stops, and therefore the air leakage problem occurring when enthalpy addition stops can be effectively solved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Scroll plate assembly, scroll compressor and air conditioner

The invention relates to the technical field of compressors, and provides a scroll plate assembly, a scroll compressor and an air conditioner. The scroll plate assembly comprises a static scroll plate, and an air inlet hole, an exhaust hole and an oil injection channel are formed in the static scroll plate. A movable scroll plate is meshed with the static scroll plate, a working chamber is formed between the movable scroll plate and the static scroll plate, an oil injection groove communicated with a back pressure chamber of the scroll compressor is formed in the movable scroll plate, and the movable scroll plate is configured to translate relative to the static scroll plate so as to compress a gas entering the working chamber. The oil injection channel is intermittently communicated with the oil injection groove and the working chamber, so that oil in the back pressure camber is intermittently injected into the working chamber under the action of the pressure difference between the back pressure chamber and the working chamber. According to the technical scheme, the gas in the working chamber can be effectively prevented from leaking to the back pressure chamber, so that the flow loss of the gas is reduced in the working process of the scroll plate assembly, and the scroll compressor is promoted to improve the energy efficiency.
Owner:ANHUI MEIZHI PRECISION MFG

Preparation method and application of nitrogen-doped self-supporting nanofiber membrane

The invention discloses a preparation method and application of a nitrogen-doped self-supporting nanofiber membrane. The preparation method of the nitrogen-doped self-supporting nanofiber membrane comprises the following steps: S1, accurately weighing a solute and a solvent, placing the solute and the solvent in an oil bath pan at 40-80 DEG C, and stirring for 5-20 hours at a constant temperature to prepare a spinning solution; S2, preparing the spinning solution prepared in the S1 into a composite nanofiber membrane, placing the composite nanofiber membrane in a drying box to remove a solvent, cutting the composite nanofiber membrane into a certain size, and pressing the fiber membrane by using a graphite sheet with a smooth surface; S3, putting the fiber membrane obtained in S2 into a quartz tube furnace, and carrying out heat preservation for 1-2 hours in an air atmosphere at 260-280 DEG C, then carrying out heat preservation for 1-3 hours in a nitrogen atmosphere of 600-800 DEG C, and carrying out carbonization treatment, and after the reaction is finished, cooling along with the furnace to room temperature to obtain the nitrogen-doped self-supporting nanofiber membrane. The nitrogen-doped self-supporting nanofiber membrane prepared by the method has high storage capacity and high electrochemical performance, and can be directly used as an SIB negative electrode material.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

Automatic labeling mechanism and method for label paper

The invention discloses an automatic labeling mechanism and method for label paper, and belongs to the technical field of labeling machine equipment. According to the technical scheme, the automatic labeling mechanism comprises an adsorption plate and a floating mechanism, the adsorption plate is rotationally connected with a three-axis moving mechanism, and a plurality of ventilation holes communicating with a negative pressure source are formed in the adsorption plate; the floating mechanism comprises a shell and an air blowing mechanism installed on the bottom face of the shell, and a plurality of air exhaust holes are formed in the shell in the circumferential direction; and the adsorption plate can stretch into the shell, and the non-sticking face of the label paper is attached to the surface of the adsorption plate under the action of the air blowing mechanism. According to the automatic labeling mechanism and method for the label paper, tray sticking is avoided in a label paper suspension mode, and under the cooperation effect of the adsorption plate and the air blowing mechanism, accurate sticking of the label paper is achieved.
Owner:国网山东省电力公司营销服务中心(计量中心) +1

Surface coloring equipment for carton processing

The invention relates to coloring equipment, in particular to surface coloring equipment for carton processing. According to the surface coloring equipment for carton processing, coloring and drying are integrated, and the workload is reduced. According to the technical scheme, the surface coloring equipment for carton processing comprises a supporting frame, first supporting blocks, rodless air cylinders, a push plate, a shaking mechanism and a clamping mechanism, the first supporting blocks are arranged on the four sides of the top of the supporting frame, and the rodless air cylinders are arranged between the first supporting blocks on the same side in the transverse direction; a push plate used for pushing the carton is connected between the rodless air cylinders in a sliding mode, a shaking mechanism used for shaking the carton is arranged on the top of the supporting frame, and a clamping mechanism used for clamping the carton is arranged on the shaking mechanism. And under the action of a first spring, an extrusion plate can clamp the carton towards the inner side, so that in the moving process of the carton, the stability of the carton can be improved, and the carton is prevented from falling off.
Owner:深圳市恒旺鑫包装纸品有限公司

Ultrasonic-assisted rubber seed oil extraction method

The invention discloses an ultrasonic-assisted rubber seed oil extraction method which comprises the following steps: step one, preparation of rubber seed cake raw materials; step two, preparation of rubber seed crude oil; step three, acidizing: the rubber seed oil is subjected to acidizing, and acidized rubber seed oil is obtained; step four, first enzymolysis, first rubber seed oil is prepared; step five, second enzymolysis, second rubber seed oil is obtained; step six, third enzymolysis, third rubber seed oil is obtained; step seven, vacuum drying: the third rubber seed oil is subjected to vacuum drying treatment, and the finished product rubber seed oil is obtained. According to the ultrasonic-assisted rubber seed oil extraction method, the phospholipid content in the rubber seed oil ranges from 5.28 mg / Kg to 9.42 mg / Kg, the rubber seed oil is safe and environment-friendly, the preparation is convenient, and the oil quality is good.
Owner:WUHAN POLYTECHNIC UNIVERSITY
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