48results about How to "Form realization" patented technology

The invention relates to an N-type double-side battery and a manufacturing method thereof. The method includes: texturing processing of a first surface and a second surface of an N-type silicon chip is performed; a boron-doped source layer is formed on the first surface of the N-type silicon chip, a first laser parameter is employed to perform laser processing of the first surface, a p+ doping region is formed on the first surface, a second laser parameter is employed to perform laser processing of the first surface, and a p++ heavily-doped region is formed on the first surface; a phosphorus-doped source is coated on the second surface of the N-type silicon chip, a third laser parameter is employed to perform laser processing of the second surface, an n+ doping region is formed on the second surface, a fourth laser parameter is employed to perform laser processing of the second surface, and an n++ heavily-doped region is formed on the second surface; and passivation antireflection film layers and electrodes are prepared on the first surface in sequence. According to the N-type double-side battery and the manufacturing method thereof, the heat damage to the N-type silicon chip is reduced, and the conversion rate of the battery can be increased.

To effectively utilize a light quantity of a point source when a point source with little light quantity is used as a light source of a reading device. A lighting system is provided with a point source 32 emitting light to the surface of a document which is located on contact glass 12 and becomes a reading object, and a condensing body 33 which is arranged forward in the direction of emission of light emitted from the point source 32 and which condenses light emitted from the point source 32 within a reading width in the direction of a sub-scanning direction at the time of document reading. The condensing body 33 is arranged in a direction in which angles of all lights passing through the condensing body 33 are less than a critical angle '[theta]' totally reflected by the contact glass 12. Thus, all of the lights emitted from the point source 32 through the condensing body 33 are irradiated to the surface of the document without total reflection at the contact glass 12, thereby enabling all of the lights emitted from the point source 32 to be effectively used for lighting the document surface.

The invention relates to a safe portable multifunctional oxygen-hydrogen integrated machine, which belongs to the technical field of health-care equipment. The safe portable multifunctional oxygen-hydrogen integrated machine comprises an existing electrolysis unit, and an ultrasonic unit, a heating unit and a pressure unit are arranged in a machine body, wherein the ultrasonic unit mainly utilizes the atomization effect of an ultrasonic microporous atomization piece, the heating unit mainly utilizes a heating piece to control the temperature of water, and the pressure unit utilizes a pressure sensor to monitor the gas pressure in the machine body, so that multiple functions of producing hydrogen, oxygen, an oxygen-hydrogen mixture, hydrogen-enriched fog, oxygen-hydrogen-enriched fog, hydrogen-enriched water and oxygen-hydrogen-enriched water can be realized. The dissolved degree of hydrogen in the hydrogen-enriched water prepared by the safe portable multifunctional oxygen-hydrogen integrated machine is high, the effect of the hydrogen-enriched water is good, therefore, a cup required, by equipment, for containing water is small, and the dissolved degree of gas can be increased by adopting the hyperbolic tower-shaped cup. Compared with the prior art, the safe portable multifunctional oxygen-hydrogen integrated machine has the advantages of small size, convenience in carrying, high safety and less possibility in danger occurrence when the machine is used for producing hydrogen.

The invention discloses a preparation method of a carbon-based composite iron cyanamide material, which comprises the following steps: firstly, respectively taking ferramine oxalate, urea and conductive carbon according to a mass ratio of 1:2:(0.1-1), fully grinding and mixing to obtain uniform mixture powder, and marking the product as A; adding a surfactant into the product A, dissolving in water, dispersing, and freeze-drying to obtain a black product marked as B; and pyrolyzing the product B in a protective atmosphere to obtain a product C, namely the carbon-based composite iron cyanamidematerial. The obtained carbon-based composite iron cyanamide material is taken as a negative electrode material of the sodium ion battery. According to the invention, FeCN2 and conductive carbon are compounded by adopting a high-temperature pyrolysis and nitridation method; the synthetic product carbon-coated iron cyanamide active material is used as a negative electrode material of a sodium ion battery, a new material system is constructed by adding a conductive carbon material, the conductivity of the material is enhanced, and the preparation method is simple to operate, low in cost, safe and non-toxic, and is expected to realize industrial production.

The invention discloses a nanogel polymerized aluminum type liquid alkali-free accelerator and a preparation method thereof. The nanogel polymerized aluminum type liquid alkali-free setting accelerator is prepared from, by mass, 20-30% of aluminum sulfate, 25-35% of aluminum carbonate, 5-8% of a nanogel, 3-7% of alkylol amine, 0.2-0.8% of an amide organic stabilizer, and the balance of water, andthe nanogel is a hydrothermally synthesized nano-hydrated calcium silicate gel. The alkali-free liquid accelerator adopts the aluminum sulfate and the aluminum carbonate as main aluminum phase components, and the formation of polyaluminum sulfate is realized by utilizing the double hydrolysis effect of the aluminum carbonate and remarkably reducing the dosage of the aluminum sulfate, so that the aluminum phase ion concentration of an alkali-free system is improved. The nano-hydrated calcium silicate gel can rapidly promote tricalcium silicate hydration, harmlessly improves the early strength of cement, and cooperates with an amide organic stabilizer to improve the long-term stability of the product.

The invention provides a vehicle air conditioner demisting automatic regulating system, and relates to the technical field of vehicle control. The system comprises an outside temperature and humiditysensor used to measure temperature and humidity out of a vehicle, an in-vehicle temperature and humidity sensor used to measure temperature and humidity in a vehicle, a determining unit used to determine whether fog can be formed by an enthalpy-entropy list according to the measured outside temperature and humidity and in-vehicle temperature and humidity, a control module used to give out a demisting instruction or an antifog instruction according to a determining result and a determining condition of the determining unit, and an in-vehicle air conditioner system used to execute the demistinginstruction or the antifog instruction. The vehicle air conditioner demisting automatic regulating system can determine whether a fog generation condition is provided according to in-vehicle and outside environments, and then an air conditioner and an air outlet are regulated, to make a vehicle window have no fog. The system can reduce complicated operation of starting a demisting device and adjusting a direction of the air outlet by a driver, so as to improve driving security.

The invention discloses a synthesis method of guanidine organic magnetic ionic liquid, in particular guanidyl cation-based organic magnetic ionic liquid. The synthesis method is technically characterized in that chloroalkane or bromoalkane, 1,1,3,3-tetramethyl guanidine, sodium hydroxide or potassium hydroxide, a 4-hydroxy-2,2,6,6-tetramethyl piperidine oxide and chlorosulfonic acid are used as raw materials to synthesize a series of paramagnetic organic magnetic ionic liquid, and the structural formula is as shown in formula (I) shown in the description. The compound is novel in structure and can form aqueous two phase with inorganic salt (potassium phosphate, dipotassium phosphate, potassium carbonate, sodium carbonate, ammonium bisulfate, sodium sulfate and the like); an aqueous two phase system of the magnetic ionic liquid is internationally developed for the first time. Compared with the traditional aqueous two phase system, the aqueous two phase system of the magnetic ionic liquid is capable of accelerating the separation of two phases through an applied magnetic field assisted manner, so as to improve the phase separation efficiency. The system has wide potential purposes, and has unique advantage in the fields of extraction, micro-extraction, separation and analysis.

The invention relates to a mechanical and chemical preparation method of graphene / carbon nanotube multi-arm heat conducting filler, belonging to the technical field of high-performance powdery material preparation. The preparation method comprises the steps of fixedly linking the end of a carbon nanotube to the surface of graphene oxide serving as an inner core by using a simple mechanicl and chemical method, and forming multi-arm filler with high heat conductivity by virtue of the high heat conductivity of graphene and the carbon nanotube. Based on the high heat conductivity of a nanocarbon material the increment of specific surface area, the novel heat conducting filler prepared by using the preparation method can be used for improving the dispersing performance and heat conducting effect of the carbon nanotube to the great extent and is stable in structure.

The application provides an FM (frequency modulation) pilot signal generation method and circuit, wherein the method comprises: processing a double-track audio signal into a baseband signal, and introducing the baseband signal into a system PLL, the system PLL being provided with a VCO; the system PLL locking a reference oscillation frequency to be a simulation signal according to the channel coding corresponding to a target emission frequency, modulating the simulation signal according to the baseband signal, and controlling the VCO to output the carrier wave signal of a first frequency according to a modulation result; performing first frequency division treatment on the carrier wave signal to obtain an FM emission signal of the target emission frequency; performing second frequency division treatment on the carrier wave signal to obtain a signal of a second frequency; and a DDS performing frequency controlling on the signal of a second frequency according to a frequency control word to generate a pilot signal. The FM pilot signal generation method and circuit are suitable for a low frequency crystal oscillator FM double-track stereo emission system, and can generate an FM emission signal and a pilot signal through the system PLL.

The present invention relates to a solar energy shallow layer micro-nano aerator, which comprises a power pump and a bearing, wherein an aeration chamber is arranged below the power pump, the upper end of the aeration chamber is provided with a gas inlet, the bottom and the periphery of the power pump are provided with a floating body fixation device for supporting the power pump on the water surface in a floating manner, a supporting plate is fixed below the floating bodying fixation device and is connected to the outer side of the aeration chamber, the bearing penetrates through the aeration chamber, the end of the bearing is provided with a water body cyclone, the outer side of the bearing is provided with a bearing protection sleeve, and micro-nano bubble generators around the bearing protection sleeve are arranged in the aeration chamber above the water body cyclone. The solar energy shallow layer micro-nano aerator has the following beneficial effects that: the high-speed rotation water flow is adopted to drive air to form complete mixing so as to form the gas-liquid mixed phase, and the micro-nano bubble generator is adopted to achieve formation of the micro-nano bubbles so as to increase the local dissolved oxygen of the water body.

The invention belongs to the technical field of electromechanical machining, and particularly relates to lubricating oil feeding equipment for electromechanical machining. The lubricating oil feeding equipment comprises a bottom plate, a top plate, an air cylinder, a cold pressing head and an oil feeding mechanism, wherein the oil feeding mechanism comprises a pressing plate, piston rods, piston cylinders, pressure springs, an oil inlet pipe and an oil outlet pipe; and the middle position of the pressing plate is arranged on the cold pressing head in a sleeving mode, the four corner positions of the pressing plate are slidably connected to the side walls of supporting rods, the piston cylinders are installed at one sides of the supporting rods, the interiors of the piston cylinders are slidably connected to the piston rods through the pressure springs, the middle position of one piston cylinder at one side of the bottom plate is communicated with the oil inlet pipe at one side of the bottom plate through a guide pipe, the bottom of the piston cylinder is communicated with a cold pressing groove of the bottom plate through a guide pipe, and a rubber ring for limiting the flowing direction of lubricating oil is arranged at the joint of the guide pipe and the piston cylinder.

The invention discloses high-temperature-resistant and low-density aluminum oxide nanorod aerogel and a preparation method thereof. The preparation method comprises the following steps: firstly preparing an aluminum oxide nanorod, and then coating the aluminum oxide nanorod by taking resorcinol-formaldehyde as a carbon source. Gelling, aging and performing supercritical drying; through high-temperature cracking, resorcinol-formaldehyde is converted to a carbon shell layer in the high-temperature cracking process, and contractility generated in the conversion process effectively inhibits crystal phase conversion and lattice rearrangement of core layer aluminum oxide to an alpha phase at a high temperature, so that sintering caused by rapid growth of alpha-phase crystal grains and great reduction of the specific surface area are avoided. And finally, carrying out heating treatment to remove the carbon template, so as to obtain the aluminum oxide nanorod aerogel with the three-dimensional network structure. The alumina nanorod aerogel prepared by the invention has good high temperature resistance, and can be applied to the fields of thermal insulation and heat preservation of aerospace, petrochemical engineering, industrial kilns and the like.

The invention discloses a lighting device, image reading apparatus, and image forming apparatus, which can effectively utilize a light quantity of a point source when a point source with little light quantity is used as a light source of a reading device. A lighting system is provided with a point source 32 emitting light to the surface of a document which is located on contact glass 12 and becomes a reading object, and a condensing body 33 which is arranged forward in the direction of emission of light emitted from the point source 32 and which condenses light emitted from the point source 32 within a reading width in the direction of a sub-scanning direction at the time of document reading. The condensing body 33 is arranged in a direction in which angles of all lights passing through the condensing body 33 are less than a critical angle '[theta]' totally reflected by the contact glass 12. Thus, all of the lights emitted from the point source 32 through the condensing body 33 are irradiated to the surface of the document without total reflection at the contact glass 12, thereby enabling all of the lights emitted from the point source 32 to be effectively used for lighting the document surface.

The invention relates to a high-magnification spherical oxidized alloy composite electrode material. The material is an oxide alloy lithium compound doped with one or more metal ions. The surface of the oxidized alloy lithium compound is coated with a metal oxide at the same time; meanwhile, a high-conductivity carbon phase is compounded on the surface; the spherical particle is a secondary spherical particle formed by aggregating nano particles, the general chemical formula is Li < 4 > Ti < 5-x > M < x > O < 12 >. (M < y > O), through metal ion doping and compounding of a high-conductivity carbon phase, the conductivity of the oxidized alloy lithium compound at a high rate can be greatly improved; the electrochemical performance is improved, the metal oxide is coated on the surface of theoxidized alloy lithium compound by controlling the amount of metal ions in a condition process, so that the reduction decomposition of an electrolyte is effectively inhibited, the gas production is inhibited, the cycling stability of the battery is further improved, the gas expansion problem is effectively improved, and the high-rate charging cycle life is prolonged.

A wave-shaped combustion chamber belongs to the field of power mixture forming and combusting. The wave-shaped combustion chamber is shallower than a general combustion chamber, and a wave-shaped guiding face is relatively flat. After sprayed mist collides with the guiding face, secondary diffusion is realized. Since the guiding angle of a fall point part of the sprayed mist is relatively small, a small number of sprayed mist diffuses to the center part of the combustion chamber, and a large number of sprayed mist diffuses to the periphery of the combustion chamber, so that the sprayed mist distribution range is increased greatly. A piston moves up and down, so that the collision position between the sprayed mist and the wave-shaped guiding face is changed. Oil and gas are mixed quickly in a relatively large space area to form a relatively thin mixture, so that the combustion of a diesel engine is improved effectively, the heat efficiency is improved, and emission of soot and NOX is reduced. Under the rated condition, compared with a combustion chamber of an original machine, the economy is improved by 4%, the soot emission rate is reduced by 40%, and the NOX emission rate is reduced by 10%.

The invention provides application of micro RNA mimics in the preparation of a drug treating choroidal neovascularization (CNV). The inventor adjusts bone marrow derived cells MMP expression through micro RNA, utilizes the characteristic of chemotaxis of the bone marrow derived cells to CNV to realize high precision targeted drug delivery and sustained release drug delivery for a part of the CNV part, so as to inhibit the bone marrow derived cells from forming pathological new vessels together with in situ cells. The invention also provides application of micro RNA agomir in the preparation of a drug treating the choroidal neovascularization. The inventor simultaneously adjusts two types of MMP expressions of BMCS through the micro RNA agomir, so the invasion of the BMCS is inhibited to reduce CNV cells and factor sources, and the in situ cells are inhibited from migrating, and the CNV can be efficiently treated; besides, due to the characteristic of the BMCS only enriching at a local part of the CNV, a high precision targeted therapy can be realized at the part of the CNV.

The invention discloses a method for forming a micro-channel with a certain thickness. The method is characterized by comprising the following steps: preparing a cover piece and a base piece, wherein an interlayer is arranged between the cover piece and the base piece; drawing the micro-channel on the base plate with an adhesive, wherein the thickness of the micro-channel is equal to that of the interlayer; placing the cover piece, and curing to achieve rapid sealing connection of the cover piece and the base piece. The method is simple, feasible and convenient to operate, and the technical defect that the thickness of a channel cannot be ensured when a sealing and connection mode of adhesion with a pressure-sensitive adhesive is adopted can be effectively avoided.

The invention discloses a lighting device, image reading apparatus, and image forming apparatus, which can effectively utilize a light quantity of a point source when a point source with little light quantity is used as a light source of a reading device. A lighting system is provided with a point source 32 emitting light to the surface of a document which is located on contact glass 12 and becomes a reading object, and a condensing body 33 which is arranged forward in the direction of emission of light emitted from the point source 32 and which condenses light emitted from the point source 32 within a reading width in the direction of a sub-scanning direction at the time of document reading. The condensing body 33 is arranged in a direction in which angles of all lights passing through the condensing body 33 are less than a critical angle '[theta]' totally reflected by the contact glass 12. Thus, all of the lights emitted from the point source 32 through the condensing body 33 are irradiated to the surface of the document without total reflection at the contact glass 12, thereby enabling all of the lights emitted from the point source 32 to be effectively used for lighting the document surface.

A method for folding a corner of a box for packing a welding wire is a folding method for enabling a selected corner of the box for packing the welding wire to be formed into a dent for handholding, the method is characterized by comprising: performing a fold line as a ridge line of the dent on the position forming a part homologous to the corner part of the paperboard of the dent; after the paperboard of the fold line forms the box shape, pressing a corner of the box from the external side to the internal side to form the dent, at this moment, the pressing device can be arranged into a fluid cylinder of a pressing front end with the shape corresponding to the outer edge shape of the dent. According to the method, the corner can be easily and rapidly formed into the dent, the dent forming can be implemented can adopting the pressing device with simple mechanism and miniaturization device.

The invention discloses a synthesis method of guanidine organic magnetic ionic liquid, in particular guanidyl cation-based organic magnetic ionic liquid. The synthesis method is technically characterized in that chloroalkane or bromoalkane, 1,1,3,3-tetramethyl guanidine, sodium hydroxide or potassium hydroxide, a 4-hydroxy-2,2,6,6-tetramethyl piperidine oxide and chlorosulfonic acid are used as raw materials to synthesize a series of paramagnetic organic magnetic ionic liquid, and the structural formula is as shown in formula (I) shown in the description. The compound is novel in structure and can form aqueous two phase with inorganic salt (potassium phosphate, dipotassium phosphate, potassium carbonate, sodium carbonate, ammonium bisulfate, sodium sulfate and the like); an aqueous two phase system of the magnetic ionic liquid is internationally developed for the first time. Compared with the traditional aqueous two phase system, the aqueous two phase system of the magnetic ionic liquid is capable of accelerating the separation of two phases through an applied magnetic field assisted manner, so as to improve the phase separation efficiency. The system has wide potential purposes, and has unique advantage in the fields of extraction, micro-extraction, separation and analysis.

The invention discloses an optical touch control system, comprising a hand input light pen and an infrared video shooting module. The hand input light pen comprises a shell, an infrared light source, a converging lens and a pen point. The pen point comprises an accepting end in the shell and a writing end which is back to the accepting end and located outside the shell, and the pen point is provided with a through hole penetrating through the pen point from the accepting end to the writing end. The converging lens is arranged at the accepting end. The infrared light source is located in the shell and used for emitting infrared light. The converging lens is used for converging the infrared light to make it pass through the through hole and project to the writing end so as to form infrared light dots. The infrared video shooting module is used for shooting movement tracks of the infrared light dots. The hand input light pen and the optical touch control system write in a hand writing region by the writing end, and simultaneously, the infrared light emitted by the light source projects at the writing end through the converging lens so as to form the infrared light dots, so that the light dots are formed, and hand input is implemented.

The invention belongs to the field of photocatalysis, and particularly relates to a preparation method of a graphene-based titanium dioxide photocatalyst; graphene oxide as a substrate material and titanium monoxide as a titanium source are used for forming the graphene-nano titanium dioxide composite photocatalyst. According to the preparation method, the problem that an existing graphene titanium dioxide composite material is difficult to prepare is solved, and conversion of titanium dioxide and formation of graphene are realized by utilizing reducibility of titanium monoxide and an oxygen group formation reaction of graphene oxide.

The invention belongs to the technical field of array signal processing, and particularly relates to an improved robust beam forming method combining a covariance matrix and an ADMM algorithm, and the method comprises the steps: constructing an improved robust beam forming steering vector optimization model, and carrying out the improvement of the steering vector optimization model on the basis of the reconstruction of the covariance matrix; firstly, SDP relaxation is utilized, secondly, an ADMM algorithm is utilized to solve the model, a closed optimal solution is obtained in each iteration process, an optimal weighted vector is calculated, multi-beam weighted summation is carried out on the optimal weighted vector and an array receiving data vector, and an output robust beam is formed. According to the method, the robustness requirement is better met, the anti-interference motion capability and the anti-steering vector mismatching capability of a traditional beam former are effectively improved, meanwhile, the condition of outputting SINR under the condition of low input SNR is effectively improved, and the self-elimination phenomenon is effectively prevented.

The invention discloses a resin powder plasticizing sheet separation device. The resin powder plasticizing sheet separation device comprises a lower grading cylinder, an upper grading cylinder, a feedpipe, a motor, a transmission shaft and a grading impeller. The motor is mounted on the upper grading cylinder, the output port of the feed pipe is arranged under the grading impeller, the upper grading cylinder is provided with a discharge port, the transmission shaft extends downward from the upper grading cylinder into the lower grading cylinder, one end of the transmission shaft is connectedwith the output shaft of the motor, and the other end of the transmission shaft is connected with the grading impeller installed in the lower grading cylinder. The outside of the transmission shaft isconnected with a cooling shaft sleeve in a seal and pivot mode, a cooling fluid input pipe and a cooling fluid output pipe are installed on the cooling shaft sleeve, and a cooling fluid channel is arranged between the cooling shaft sleeve and the transmission shaft. The resin powder plasticizing sheet separation device selects the most reasonable grading wheel taper, grading wheel blade angle andgrading rate by simulating calculation and test of different rotational speeds of grading wheels, grading wheel blades and the grading wheels, low temperature separation is realized, and the formation of new plasticized sheet or wire drawing phenomenon due to overtemperature contact or friction of resin powder is avoided.

The invention relates to a high-magnification spherical oxide alloy composite electrode material, which is an oxide alloy lithium compound doped with one or more metal ions, and the surface of the oxide alloy lithium compound is simultaneously coated with a metal oxide, and the surface is also It is compounded with a highly conductive carbon phase, which is a secondary spherical particle aggregated by nanoparticles, and its general chemical formula is Li 4 Ti 5‑x m x O 12 ·(M y O), which can greatly improve the conductivity of oxidized alloy lithium compounds especially at high rates through metal ion doping and composite high-conductivity carbon phase, and improve the electrochemical performance, and by controlling the amount of metal ions in the oxidation process, The surface of the alloy lithium compound is coated with metal oxides, which can effectively inhibit the reduction and decomposition of the electrolyte and gas production, thereby improving the cycle stability of the battery, effectively improving the problem of flatulence, and prolonging the cycle life of high-rate charging.