127results about How to "Has cost" patented technology

The invention relates to a multifunctional remote fault diagnosis system for an electric control automobile. The multifunctional remote fault diagnosis system comprises a remote fault diagnosis service center, PC (Personal Computer) diagnosis client sides and a diagnosis communication device. The remote fault diagnosis service center serves as a key of the system and is mainly used for realizing an automobile fault diagnosis network management function and an automobile remote fault diagnosis assistance function; the PC diagnosis client sides are mainly used for providing specific automobile diagnosis application functions and remote diagnosis interfaces for users with different rights through human-computer interaction interfaces; and the diagnosis communication device is mainly used for realizing the data communication between the PC diagnosis client sides and a vehicle-mounted network and providing diagnosis data service for upper applications. By means of the multifunctional remote fault diagnosis system, with the remote fault diagnosis service center as a core and all PC diagnosis client sides as nodes, an automobile fault diagnosis network is established; automobile diagnosis data sharing is realized by means of the diagnosis communication device; multifunctional automobile remote fault assistance and fault elimination help can be provided; automobile fault information is subjected to statistic analysis; and a reliable automobile quality report is provided for an automobile manufacturer.

The invention relates to a preparation method of an edible film with antibacterial and antioxidant functions, and belongs to the technical field of edible packaging materials. The preparation method disclosed by the invention comprises the following steps: 1) dissolving and gelatinizing corn starch; 2) dissolving gelatin; 3) dissolving chitosan; 4) adding glycerin and plant essential oil or essential oil components; 5) mixing, homogenizing and refining; 6) degassing; 7) tape-casting; and 8) drying and stripping the film. The preparation method disclosed by the invention has the beneficial effects that the chitosan, the corn starch and the gelatin are taken as base materials of the edible film, the sources of the raw materials are wide, the cost is low, and the prepared edible film has the advantages of strong mechanical properties, high barrier performance and great transparency. Oregano oil, carvacrol and cinnamaldehyde are taken as an antibacterial agent and an antioxidant so as to be added into the edible film, the processing process is simple and easy to operate, the cost is low, the edible film is non-toxic and safe to eat, and the prepared edible film has great antibacterial and antioxidant properties.

The invention provides an intelligent wheelchair outdoor navigation method based on coordinated control. The method is characterized by acquiring external environment information by a GPS (global positioning system) and ultrasonic sensors, firstly adopting a control method based on behaviors to coordinate with a fuzzy logic algorithm to design behavior modules with different functions, secondly adopting a neural network algorithm to design a behavior coordination controller, and realizing the autonomous navigation function with higher intelligence through the coordinated control of the behavior modules. The method has the advantages that the cost of the outdoor navigation system can be lowered; and the real-time property and the robustness of the system can be improved.

The invention relates to an environmental monitoring system, in particular to a remote wireless environment real-time data acquisition method and a device. The device comprises a management work station and at least one ZigBee wireless sensor network, wherein, the wireless sensor network comprises a coordinator node which is connected with at least one router node; the router node is connected with at least one functional module, and the coordinator node is connected with the management work station by an RS232 interface. The acquisition device in the invention is developed by utilizing an advanced ZigBee wireless sensor network system, has the characteristics of low cost, high reliability, convenience and strong commonality, and can carry out wireless real-time acquisition on outdoor environmental information.

The invention relates to an aqueous single-coating matt transferring aluminum-plating paint and a preparation method thereof. The paint comprises the following components in parts by weight: 20-70 parts of aqueous resin, 10-70 parts of deionized water, 0.5-2 parts of delustering powder, 5-30 parts of cosolvent, 0-10 parts of pigment, 0-2 parts of pH value regulating agent, 0-0.5 part of wetting agent, 0-0.2 part of flatting agent and 0.05-0.2 part of defoaming agent. Compared with the prior art, the aqueous single-coating matt transferring aluminum-plating paint has the advantages of excellent delustering property, simple production process and the like, and is environmentally-friendly.

The invention provides a mobile phone screen backlight foreign matter defect diagnosis method based on machine vision, and the method comprises the following steps: lightening a screen through a PLC (Programmable Logic Controller) to enable the mobile phone screen to be in a white ground color, collecting an image through a CCD (Charge Coupled Device) industrial camera, extracting an area of the mobile phone screen in the image, and obtaining a mobile phone screen image P; turning off the screen of the mobile phone, starting a dust sidelight device, and acquiring an image through a CCD industrial camera to obtain a sidelight image Q; carrying out preprocessing and threshold segmentation on the mobile phone screen image P to obtain a backlight foreign matter candidate region; positioning dust in combination with the sidelight graph Q, and eliminating dust interference in the candidate area; extracting a local sub-graph of a backlight foreign matter candidate region without dust interference, and eliminating the interference of scratches and dirty spots through secondary threshold segmentation; and finally, positioning the backlight foreign matter area of the mobile phone screen. Inthe aspect of interference removal of dust factors, the dust sidelight device is designed, dust interference is accurately eliminated, and the detection accuracy is improved.

The method for producing cyclohexanone by using coked benzene is implemented according to the following steps: A. hydrogenation of the coked benzene to prepare cyclohexene; B. extraction and rectification; C. hydratization of the cyclohexene to prepare cyclohexanol; D. separation and extraction of the cyclohexanol; E. dehydrogenation of the cyclohexanol to prepare the cyclohexanone; and F. refining of alcohol and ketone. The method has the advantages that 1. as the coked benzene, the product of the coal chemical industry, is used as the raw material, the method has resource advantage and cost advantage and saves 15-20 percent of resource and cost when compared with a cyclohexane method; 2. the method has high comprehensive yield rate and low hydrogen consumption, almost 99 percent of the coked benzene is converted into usable products, namely the cyclohexanone and the cyclohexane, the ratio between the cyclohexanone and the cyclohexane is 1:0.25, and the hydrogen consumption is reduced by two thirds; 3. the method is environment friendly; a small amount of waste gas and waste liquid is generated, and the investment in waste disposal is small, therefore the method is a clean production technology; and 4. the method is safer; the hydrogenation reaction and the hydratization reaction are both carried out in liquid, conditions are mild, and the method is safer when compared with a traditional oxidation technology, prevents the corrosion and the byproduct blockage and has high operation stability.

The invention belongs to the technical field of biology, and relates to an immunoaffinity adsorption material based on a single-domain heavy-chain antibody, in particular to an immunoaffinity adsorption material for aflatoxin. The material comprises a carrier and a ligand carried by the carrier, and is characterized in that the single-domain heavy-chain antibody specially recognizing aflatoxin is used as the ligand and has the amino acid sequence shown in SEQ ID NO.:1and the like. The antibody has the advantages of being resistant to acid, alkali and high temperature, easy to produce and the like, and important practical value is achieved for a low-cost immunological detection method which is used for aflatoxin and can be repeatedly used.

The invention discloses a manufacturing method of a membrane electrode of a novel ultrathin proton exchange membrane fuel cell, and the method comprises the following manufacturing processes: firstly manufacturing a piece of hydrophobic carbon paper, then sputtering a nickel catalyst layer on the carbon paper, using a plasma enhanced chemical vapor deposition method to manufacture a directional carbon nano tube, and sputtering platinum nano particles or platinum ruthenium particles on the directional carbon nano tube to form an electrode; then depositing a plasma polymerized proton exchange membrane on an electrode surface; and finally assembling two plasma polymerized proton exchange membranes with electrodes into the membrane electrode of the novel ultrathin proton exchange membrane fuel cell. The plasma polymerized proton exchange membrane is ultrathin in structure and capable of improving the usage rate of the catalyst, reducing the contact resistance of the membrane and the electrode and the conducting path of the proton, and improving the performance of the fuel cell, and has self-humidifying capacity so as to reduce the production cost of the fuel cell. By using a drying plasma technology, the manufacturing method has the characteristics of environmental friendliness and low cost.

The invention relates to a wave-absorbing structure of a double-frequency polarized insensitive monolayer metamaterial. The wave-absorbing structure comprises a metamaterial structure surface, a dielectric plate and a metal base plate. The metamaterial structure surface comprises a square metal patch and four identical composite metal structures surrounding the square metal patch. Each composite metal structure comprises four 'T'-shaped structures, and every two 'T'-shaped structures are symmetrical to each other by taking the straight line, where one diagonal line of the middle square metal patch is located, as the center. By the wave-absorbing structure, the defects of single-frequency-point wave absorption, sensitiveness to polarization and large relative thickness of wave-absorbing materials are overcome.

The invention discloses an immune cell cryopreservation liquid, and a preparation method, a cryopreservation method and an application thereof; the immune cell cryopreservation liquid includes the components by weight: 5%-15% of DMSO, 1%-5% of propylene glycol, 2%-8% of trehalose, 3%-8% of methyl cellulose, 0.3%-1.2% of glutathione, 0.06%-0.14% of sodium pyruvate, and 60%-80% of human donor plasma; the cryopreservation effect is quite good, the immune cells can be effectively protected from freezing injury, physiological functions and biological characteristics of the immune cells after resuscitation are maintained, cell biological characteristics are not changed, and the immune cell cryopreservation liquid can be used in clinical treatment; the immune cell cryopreservation liquid is suitable for long-term frozen preservation of human mononuclear cells and other kinds of immune cells.

The invention discloses a delayed flame-out device of an automobile, comprising a controller (1), a speed sensor (2), a timing unit (3), a voice unit (4), a man-machine interaction unit (5) and a power supply (6), wherein the controller (1) comprises a speed measurement module, a voice control module, a timing control module and a man-machine interaction control module and is respectively connected with the speed sensor (2), the timing unit (3), the voice unit (4) and the man-machine interaction unit (5); when the speed of the automobile is zero, the speed sensor (2) does not output pulses, and the controller (1) controls the timing unit (3) to carry out timing; the speed of the automobile is still zero after a preset delay time, the controller (1) of a system controls the man-machine interaction unit (5) to prompt a driver to flame out and also controls the voice unit (4) to send out prompt tones, and whether the automobile is flamed out or not is decided by the driver; countdown is carried out after an automobile owner needs to start the automobile again and stops the automobile again, and the driver manually sets different stopping delay time through the man-machine interaction unit (5).

The invention provides a wear-resistant and oxidation-resistant high-entropy alloy coating and a preparation method thereof. The alloy coating comprises, by mass, 15-21% of Fe, 15-21% of Co, 26-35% ofCr, 15-21% of Ni, 11-18% of Nb, 1-6% of Si, 0.1-1.2% of C, and 1-2% of CeO2. The coating is prepared by adopting a preset powder method and a coaxial powder feeding method. The preset powder method comprises the steps of weighing Co, Cr, Fe, FeNb, FeSi powders, FeCrC powders and CeO2 powders according to target coating components; uniformly mixing and drying at 80-150 DEG C for 1-4 hours; uniformly pre-spreading dried mixed powders on the surface of a substrate, wherein the thickness is 0.6-1.3 mm; and then laser cladding the powders on the surface of the substrate to form the wear-resistantand oxidation-resistant high-entropy alloy coating. The coaxial powder feeding method comprises the steps of firstly preparing alloy powders by adopting a smelting gas atomization method according tothe content of Co, Cr, Fe, Nb, Si and C in the coating; uniformly mixing the alloy powders with the CeO2 powders, and drying at 80-150 DEG C for 1-4 hours; putting the dried powders into a powder feeding cylinder; feeding the powders by adopting nitrogen protection; and laser cladding the powders on the surface of the substrate to form the wear-resistant and oxidation-resistant high-entropy alloycoating.

The invention relates to a method for preparing baking-free bricks by use of waste oil sludge and desulfurized fly ash. A matrix material of the baking-free bricks is prepared from the following raw materials in percentage by weight: 5-20% of waste oil sludge, 1-15% of desulfurized fly ash, 10-25% of ordinary Portland cement, 25-30% of fly ash, 10-25% of superfine slag powder and 3-10% of a curing agent. The curing agent is prepared from the following raw materials in parts by weight: 5-10% of sodium silicate, 5-30% of magnesium oxide, 5-30% of green-vitriol, 0-30% of alum, 0-30% of aluminum sulfate and 5-15% of sodium phosphate. The preparation method of the baking-free bricks comprises the steps of evenly mixing the waste oil sludge with the desulfurized fly ash together and then standing, mixing the mixture with the curing agent, the ordinary Portland cement, the fly ash and the superfine slag powder, stirring, molding, and performing press and steam curing after demolding, thereby obtaining the baking-free bricks. The baking-free bricks can be prepared by effectively utilizing the desulfurized fly ash and the waste oil sludge, and therefore, the ecological environment can be protected and the resources can be saved.

The invention relates to environmental-friendly diamond grinding liquid and a preparation process thereof. The environmental-friendly diamond grinding liquid is characterized by being prepared from the following components in percent by weight: 0.1-20wt% of grinding material, 60-99wt% of solvent, 1-20wt% of emulsifying agent, 1-20wt% of thickening agent and 1-20wt% of suspending agent, wherein thegrinding material contains at least one of polycrystalline diamond micropowder, polycrystalline-like diamond micropowder and monocrystalline diamond micropowder; the solvent contains at least one ofnaphtha, white oil, alkylbenzene and isoparaffin; the emulsifying agent contains at least one of an alkylphenol-series emulsifying agent, a benzenesulfonic-acid-series emulsifying agent, a polyoxyethylene-ether-series emulsifying agent and a sorbitol-series emulsifying agent; the thickening agent contains at least one of olefins polymer and silicon-alkane polymer; the suspending agent contains atleast one of paraffin series, epoxy resin, C9 petroleum resin and butadiene styrene rubber SBS. The environmental-friendly diamond grinding liquid is prepared by the steps of dissolving, stirring, dispersing, coating, emulsifying, disaggregating, reverse treatment, cooling and converting. The environmental-friendly diamond grinding liquid has the advantages of wide working-temperature range, longstability time and stable-controllable grinding speed and the like.

The invention discloses a full decontamination waste gas recovering flexible pressurization system comprising a diesel engine. The diesel engine is provided with a gas inlet pipe and a gas exhaust pipe, the gas inlet pipe is connected with a gas compressor, the gas exhaust pipe is connected with a turbine generator, and the turbine generator is connected with a decontamination heat exchanging device through a pipeline. The decontamination heat exchanging device comprises a heat exchanging box body communicated with the turbine generator through the pipeline, a water chamber is arranged in the heat exchanging box body, a steam storage chamber is arranged above the water chamber, a superheater is arranged between the water chamber and the steam storage chamber, one end of the superheater is communicated with the water chamber, and the other end of the superheater is communicated with the steam storage chamber. A synchronous valve is arranged on a steam transferring pipe, and the gas exhaust end of a steam turbine is connected with a condenser. A composite heat exchanger, a reduction heat exchanger and an oxidation heat exchanger which are connected in series are arranged in the water chamber, the gas inlet end of the composite heat exchanger is communicated with the heat exchanging box body, and the gas outlet end of the oxidation heat exchanger is communicated with a desulfurizing device. With the adoption of the full decontamination waste gas recovering flexible pressurization system, the power of the diesel engine is increased, and the oil consumption rate is reduced.

The invention relates to a method for preparing a TC4 titanium alloy bolt through powder metallurgy. Inert gas shielding is adopted for raw material mixing, and by combining sheath isostatic cool pressing treatment, middle-temperature vacuum sintering treatment, hot extrusion treatment, vacuum stress relieving treatment, hot upsetting treatment, solid solution aging treatment, machining, surface sand blasting and other technologies and strictly controlling the temperatures for the technologies, the full compact fine-grain powder metallurgy TC4 titanium alloy bolt is prepared. The method for preparing the TC4 titanium alloy bolt through powder metallurgy has the beneficial effects that the technological process is short, the energy consumption is little and equipment investment is small. The prepared TC4 titanium alloy bolt has the beneficial effects that cost is low, compactness is high, the strength of extension and ductility are enough, the mechanical performance is good, and the service life is long.

The invention provides a multi-module pulsed power supply based on energy storage of high-temperature super-conduction pulsing transformers, and belongs to the technical field of pulse power. The multi-module pulsed power supply comprises two or more than two single-module pulsed power supplies, wherein each single-module pulsed power supply consists of primary charging power supplies, discharging switches, a high-temperature super-conduction pulsing transformer, a power diode, a pulsed capacitor and a load; the primary charging power supplies of each single-module pulsed power supply are connected to two ends of a primary winding of the corresponding high-temperature super-conduction pulsed transformer through the corresponding switches in parallel; and each power diode and the corresponding load are serially connected with a secondary winding of the corresponding high-temperature super-conduction pulsed transformer to form a loop. The multi-module pulsed power supply is characterized in that the single-module pulsed power supplies are connected to one another in parallel, and each single-module pulsed power supply is connected with the corresponding pulsed capacitor through a switching circuit switch and is connected with a one-way conduction unit in parallel. The multi-module pulsed power supply based on energy storage of the high-temperature super-conduction pulsing transformers has the advantages that the transmission efficiency is high, pulse amplitudes and pulse widths of outputting current are adjustable, and the voltage of a discharging end of the primary winding is low.

The invention discloses a high-rigidity low-warpage PP reinforced composite material and a method for preparing the same. The compositions by weight percentage of the composite material are: 50 to 65 percent of PP, 10 to 20 percent of glass flakes, 10 to 20 percent of mica, 0.2 to 0.4 percent of main antioxidant, 0.2 to 0.4 percent of auxiliary antioxidant, 3 to 10 percent of toughening agent and 0.2 to 1 percent of lubricant. The high-rigidity low-warpage PP reinforced composite material and the method greatly improve the performance of the PP and have superior dimension stability. The use range of the PP is enlarged, thereby the high-rigidity low-warpage PP reinforced composite material can be used on plastic parts with high strength requirement, low shrinkage factor and high assembly precision, and has the advantage in cost.

The invention relates to a pot and manufacture method suitable for an induction cooker. The manufacture method for the pot comprises the following steps: firstly locking a block of magnetoconductive medium by a plurality of screws with the same material as the pot and proper length and arranging the magnetoconductive medium by spanning on the top layer surface of a fixed die holder; then being combined with a corresponding active die holder; after closing the die, pouring a metal liquid of non magnetoconductive material into a die cavity from a pouring opening; melting a bolt into the metal liquid of non magnetoconductive material and simultaneously coating the magnetoconductive medium as a whole body by utilizing the self-owned characteristics of high and low melting point of each material. Consequently, the invention can manufacture a beautiful and practical pot for induction cooker through a simple combining method.

A programmable controller system is formed by connecting a personal computer having an aid device program module installed to serve as an aid device for development of control program to a programmable controller having password protect function. A hardware key storing a specified password code is detachably attached to the personal computer. The aid device program module checks whether or not software module with a function of certifying a hardware key exists and if it is found to exist, it is linked as a part of the aid device program module and the function of certifying the hardware key is caused to operate.

The invention provides a high-sensitivity flexible composite sponge pressure sensor. The high-sensitivity flexible composite sponge pressure sensor comprises electrodes and a composite porous structure sponge, wherein silver paste is used for connecting the porous structure sponge and the electrodes so as to increase the electrical conductivity; the electrodes are one of aluminum strips, silver wires and copper sheets; and the electrodes are adhered to the upper surface and the lower surface of the composite porous structure sponge through the silver paste. The invention further provides a preparation method of the flexible pressure sensor. Compared with the prior art, the flexible pressure sensor provided by the invention has the characteristics of low cost, high sensitivity, large measurement range and the like, is prepared by using a flexible material, and can be used for novel wearable equipment. The mechanical sensor is simple in manufacturing work and easy to industrialize, and has extremely high market value and industrialization potential.

The invention relates to a method for making audio frequency follow-up coil micro inductor based on micro Electro-Me-Chemical System. It adopts micro Electro-Me-Chemical System technology to process the cleared glass substrate to obtain two-sides nicking align sign to elevate the align accuracy when exposing; it adopts quasi-LIGA technology and thickness photoresist craft preparing the coil and photoresist die of the connecting conductor; it adopts electroplating technique to resolve the coil coiling and connecting conductor; it adopts medlin material as insulating layer and glazing technique to resolve the compression of the substrate; it adopts physics etching technique to detach the electric plating used conductor.

The invention belongs to the technical field of polysilicon production, in particular to a method for comprehensively utilizing a chemical byproduct single cryolite during production of polysilicon. The method comprises the following steps of: reacting the single cryolite with sodium hydroxide solution to generate hydrogen and sodium aluminate slurry; and reacting the sodium aluminate slurry withhydrofluoric acid to prepare cryolite for aluminum, wherein the byproduct, namely hydrogen in the reaction process is purified and recovered to serve as a byproduct; and mother liquid is used for producing other fluoride products, or being neutralized by adding lime and then being discharged. The byproduct, namely single cryolite, of polysilicon is used for producing cryolite for aluminum, so rawmaterials are readily available, cost is low and the utilization ratio of the raw materials is high; the produced cryolite for aluminum has low impurity content and meets national standard; and wasteis changed into treasure, which accords with production ideas of comprehensive utilization of resources, energy conservation and environmental protection.