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62results about How to "Easy parameter control" patented technology

Intelligent control system and method of personal care beauty instrument

ActiveCN104615329AEasy function switchingAchieve the effect of personal customized beauty modeTransmissionExecution for user interfacesPersonal careComputer science
The invention discloses an intelligent control system and method of a personal care beauty instrument. The method comprises the following steps that APP software of an intelligent terminal is in wireless connection with the care beauty instrument; use setting of the care beauty instrument is conducted through a visual operation interface of the APP software of the intelligent terminal; the care beauty instrument feeds back the current use information of a user and sends the current use information of the user into the APP software of the intelligent terminal to be analyzed; the software makes a corresponding beauty scheme according to the current use information of the user and feeds back the scheme onto a display screen of the intelligent terminal of the user; the user executes corresponding operation according to the beauty scheme on the display screen of the intelligent terminal. By means of the intelligent control system and method of the personal care beauty instrument, setting on the instrument is not needed when the beautify instrument is used, and personnel setting can be completed by directly relying on the APP software; by means of the setting, the function switching of the beauty instrument is facilitated, various parameters are accurately set, and thus the effect of a personal customization beauty mode of the user is achieved.
Owner:唐文彬

High concentration organic nitrogen waste water processing technology

The invention discloses a high concentration organic nitrogen waste water processing technology. The high concentration organic nitrogen waste water processing technology is mainly used for processingof organic waste water high in raw water total nitrogen, is capable of realizing high efficiency low consumption removing of carbon and nitrogen with a denitrification unit used for supplying a partof carbon sources, the total nitrogen, ammonia nitrogen, and chemical oxygen demand of discharged water are capable of reaching discharge standards. The high concentration organic nitrogen waste waterprocessing technology comprises following steps: high concentration organic nitrogen waste water is introduced into an anaerobic pond; water discharged from the anaerobic pond is introduced into a first sedimentation basin; a supernatant discharged from the first sedimentation basin is introduced into an anoxic pool, a part of bottom sludge from the first sedimentation basin is discharged, and the other part of bottom sludge from the first sedimentation basin is recycled back into the anaerobic pond; water discharged from the anoxic pool is introduced into a second sedimentation basin; a supernatant from the second sedimentation basin is introduced into an aerobic tank, and bottom sludge from the second sedimentation basin is discharged; water discharged from the aerobic tank is introduced into a third sedimentation basin; after precipitation in the third sedimentation basin, bottom sludge is discharged, and an obtained supernatant is recycled back into the anoxic pool; after anoxic pool reaction, obtained water is introduced into the second sedimentation basin, and then is introduced into the aerobic tank, and after reaction, water from the aerobic tank is introduced into the third sedimentation basin, and then is discharged.
Owner:苏州德嘉环保工程有限公司

Preparation method for high dispersibility Cu based cerium oxide composite catalyst

The invention discloses a preparation method for a high dispersibility Cu based cerium oxide composite catalyst. The preparation method mainly comprises the following steps that (1) a cerium nitrate solution and a 2-methylimidazole solution are prepared separately, the 2-methylimidazole solution is poured into the cerium nitrate solution in the stirring process, and stirring is stopped till the solutions are mixed uniformly; (2) centrifugal separation is conducted, and washing and drying are conducted to obtain a precursor; (3) the precursor obtained in the step (2) and copper salt are ground, methyl alcohol serves as a solvent and volatilizes gradually in the grinding process to form a high dispersibility Cu-based cerium oxide composite catalyst precursor, and the content of Cu in the composite catalyst precursor is, by mass, 0.5-20%; and (4) the composite catalyst precursor is calcined at the atmosphere of H2-Ar mixed gas, and the high dispersibility Cu based cerium oxide composite catalyst is obtained. The composite catalyst prepared through the preparation method has good heat stability, the large specific surface area and the plentiful pore structure, and the composite catalyst has the characteristic of high dispersibility.
Owner:CHONGQING TECH & BUSINESS UNIV +1

Rotary low-temperature hydrogen isotope separation system and separation method thereof

The invention discloses a rotary low-temperature hydrogen isotope separation system and a separation method thereof, which solve the complicated construction, complicated parameter control, and high operation cost, or helium gas supply requirement, hydrogen and helium separation, and complex separation column regeneration treatment, or high cost of palladium displacement chromatogram filling material and easy failure in the prior art. The separation system includes a cryogenic tank, a reversing frame, a separation column, a raw material hydrogen-storage tank, a light isotope storage tank, a heavy isotope storage tank, a vacuum pump, and an exhaust gas storage tank. The separation method is characterized in that a separation column absorbing the raw material hydrogen to gradually separate the liquid nitrogen liquid level to desorb the hydrogen isotope to complete rearrangement of hydrogen isotope in other separation columns; and the light and heavy isotopes can be finally collected respectively from the far and near ends of the loop. The system creatively utilizes the technical principle of a simulated moving bed, the hydrogen isotope can continuously circulate in the closed loop separation loop, the heavy isotope concentration gradually decreases from the near end to the far end where the desorption occurs in the separation loop, and the concentration gradient of the heavy isotope is continuously increased with the adsorption / desorption frequency.
Owner:MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS

Method for detecting large-hole adsorbent resin organic matter residues in desmodium styracifolium general flavone extractive with headspace gas chromatography

The invention discloses a method for detecting large-hole adsorbent resin organic matter residues in a desmodium styracifolium general flavone extractive with the headspace gas chromatography. The method is characterized in that a gaschromatograph allocated with an FID detecting instrument and a headspace sampling device are used; the chromatographic conditions are that a DB-1701 chromatographic column is adopted, the column flow rate ranges from 0.95 ml/min to 1.05 ml/min, the column temperature of the chromatographic column is characterized in that the initial temperature is 35 DEG C and is kept for 4 min, then the temperature rises with the rate ranging from 9 DEG C/min to 11 DEG C/min until the temperature is 90 DEG C, and finally the temperature rises with the rate ranging from 19 DEG C/min to 21 DEG C/min until the temperature is 230 DEG C; the temperature of the FID detecting instrument is 250 DEG C; the headspace parameters are that the holding temperature of a headspace bottle ranges from 138 DEG C to 142 DEG C, and the holding time of the headspace bottle ranges from 28 min to 32 min. The large-hole adsorbent resin organic matter residues are selected from at least one of normal hexane, benzene, toluene, dimethylbenzene, styrene and divinylbenzene. The method is simple, convenient, rapid, high in sensitivity, good in accuracy, high in specificity and good in reproducibility, and can be effectively used for detecting the residual quantity of large-hole adsorbent resin organic matter in the desmodium styracifolium general flavone extractive.
Owner:WUHAN OPTICS VALLEY HUMANWELL BIO PHARMA

Pd-MoS2 heterojunction photovoltaic solar cell device and preparation method thereof

The invention discloses a Pd-MoS2 heterojunction photovoltaic solar cell device. The Pd-MoS2 heterojunction photovoltaic solar cell device is of a layered structure and sequentially comprises a Pd metal front electrode, a Pd-MoS2 thin film layer, a first SiO2 insulation buffer layer, a Si monocrystal substrate, a second SiO insulation buffer layer and a metal In back electrode from top to bottom. The preparation method mainly adopts a DC magnetron sputtering technique and comprises the following steps of: bombarding the surface of a Pd-MoS2 target with high-energy electrons so that a large amount of ions are sputtered; depositing a thin film on the surface of the Si monocrystal substrate subjected to passivation treatment; and preparing front electrode and back electrode layers and completing. The open-circuit voltage, the short-circuit current density and the light conversion efficiency of the Pd-MoS2 heterojunction photovoltaic solar cell device disclosed by the invention are respectively improved by over 60%, 160% and 300% compared with the similar products in the prior art. The Pd-MoS2 heterojunction photovoltaic solar cell device disclosed by the invention has the advantages of simplicity in process, greenness and environment protection on the production process and a product, high finished product rate and low manufacturing cost, and is suitable for industrial production at a large scale.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Growing method for light-emitting composite layer, and LED epitaxial structure comprising light-emitting composite layer

The first purpose of the invention lies in disclosing a growing method for a light-emitting composite layer, and the method comprises the steps: periodically growing 8-9 wafers, wherein each wafer sequentially comprises a first InxGa(1-x)N layer and a first GaN layer from the bottom to the top, wherein x=0.15-0.25. The second purpose of the invention lies in providing an LED epitaxial structure comprising the light-emitting composite layer. The light-emitting composite layer (a high-temperature quantum well structure) can achieve the absorption of lattice mismatch and dislocation at the bottom of an epitaxial layer and the relief of an internal stress, thereby reducing the lattice defects of a low-temperature quantum well, protecting the low-temperature quantum well to great extent, improving the crystal quality of a light-emitting region, and improving the anti-static capability of the LED epitaxial structure. Meanwhile, the structure employs a mode of low-temperature growing, can greatly reduce the separate-out of In, achieves the improvement of the confinement of carriers, increases the number of light-emitting quantum dots, facilitates the improvement of radiative recombination efficiency, and improves the light-emitting intensity.
Owner:XIANGNENG HUALEI OPTOELECTRONICS

Membrane aerated biofilm micro-aerobic sludge bed process and wastewater treatment method thereof

Belonging to the field of sewage denitrification treatment, the invention discloses a membrane aerated biofilm micro-aerobic sludge bed process and a wastewater treatment method thereof. The membraneaerated biofilm micro-aerobic sludge bed process adopts a biofilm micro-aerobic sludge bed, a sludge bed water inlet pipe, a sludge bed water outlet pipe, a sludge discharge pipe, a biofilm aeration component, an air pump, a circulating pump, a peristaltic pump, air flow meters and pressure gauges. The treatment method realizes the mutualism and collaborative metabolism of aerobic bacteria, anaerobic bacteria and facultative anaerobes in a micro-aerobic environment, at the same time utilizes the efficient oxygen mass transfer efficiency of the membrane aeration component and enables wastewaterto flow on the outer surface of the biofilm to form back diffusion of oxygen and pollutants, and can realize effective removal of pollutants in a bioreactor. The process and the treatment method provided by the invention are suitable for denitrification treatment of urban sewage and industrial wastewater, and have the advantages of high treatment efficiency, high energy utilization rate, stable effluent effect, fast start-up speed, etc.
Owner:TAIYUAN UNIV OF TECH

MoS2/Si photovoltaic device with ITO/Pd double-layer structured composite electrode and preparation method thereof

The invention discloses a MoS2/Si heterojunction photovoltaic device with an ITO/Pd double-layer structured composite electrode. The device is of a composite layer layered structure, and sequentially comprises an ITO transparent conductive layer, a Pd metal layer, a MoS2 thin film layer, a Si single crystal substrate with the upper surface and the lower surface being provided with a SiO2 passivation layer and a metal In back electrode from top to bottom. The preparation method comprises the steps that the surfaces of different target materials are sequentially bombarded by using high-energy electrons through mainly adopting a DC magnetic control sputtering technology, a MoS2 target material is firstly bombarded, then a Pd target material is bombarded and finally an ITO target material is bombarded so as to sputter a large number of ions, and the ions are successively deposited at the surface of the Si single crystal substrate on which passivation processing is performed and superimposed into a multi-layer structured material; and a back electrode layer is prepared. The light conversion efficiency of the MoS2/Si photovoltaic device with the ITO/Pd double-layer structured composite structure is improved over 100% compared with similar products in the prior art. The MoS2/Si photovoltaic device is simple in process, simple and convenient to control, high in rate of finished products, low in manufacturing cost and suitable for industrial production.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Growth method for current expansion layer and LED epitaxial structure comprising current expansion layer

The invention discloses a growth method for a current expansion layer. The growth method comprises a step of periodically growing 4-10 single pieces, wherein each single piece comprises a P type InGaN layer and an Si<x>Al<(1-x)>N layer or the Si<x>Al<(1-x)>N layer and the P type InGaN layer from the bottom up in sequence. The invention also discloses an LED epitaxial structure comprising the current expansion layer. By adoption of the current expansion layer, the rapid propagation of electrons from the N layer to the light emitting layer can be blocked by taking the high energy band of the GaN as the barrier; the longitudinally-propagated and relatively-crowded electrons can be transversely dispersed in a proper degree under the blocking of the energy band of the GaN; meanwhile, high-concentration two-dimensional electron gas is formed by the current expansion layer; the transverse mobility of the two-dimensional electron gas is quite high, so that the transverse expansion of the electrons is accelerated; the current is effectively expanded when the current passes through the current expansion layer macroscopically; and then the current distribution of the light emitting layer becomes uniform, so that the various kinds of performances of the LED are improved.
Owner:XIANGNENG HUALEI OPTOELECTRONICS

Light-emitting diode (LED) traffic light failure monitoring system and method

InactiveCN102509471BTroubleshoot AC Current Detected IssuesAvoid inaccurate test resultsTraffic control supervisionTraffic signalPower flow
The invention provides a light-emitting diode (LED) traffic light failure monitoring system and an LED traffic light fault monitoring method. The system comprises an alternating current power supply and detection unit, an LED light set current detection module, an alternating current on / off control module and a free-wheeling element, wherein the alternating current power supply and detection unit is arranged in a traffic semaphore; the LED light set current detection module, the alternating current on / off control module and the free-wheeling element are arranged outside the traffic semaphore; the LED light set current detection module detects the working current of an LED signal light; when the working current of the LED signal light is lower than a normal working threshold value, the alternating current on / off control module switches off an alternating current loop; and if the alternating current power supply and detection unit cannot detect alternating current, the failure of the LED signal light is determined. By the LED traffic light failure monitoring system and the LED traffic light failure monitoring method, a reliable failure detection result can be obtained without changing a circuit structure of the traffic semaphore in the prior art.
Owner:北京尚易德科技有限公司

Ultra-wideband thin film photoelectric detector and preparation method thereof

The invention relates to the field of semiconductor photoelectronic devices, and provides an ultra-wideband thin film photoelectric detector and a preparation method thereof, the thin film photoelectric detector is of a layered structure, and sequentially comprises a SiO2 quartz substrate, a GeTe semiconductor thin film layer and a metal Ag electrode layer from bottom to top; wherein the SiO2 quartz substrate is an electric insulation substrate; the GeTe semiconductor thin film layer is deposited on the surface of the SiO2 quartz substrate through direct-current magnetron sputtering, has a rhombic crystal structure, has (202) lattice orientation and has the thickness of 100-300nm; the metal Ag electrode layer is deposited on the surface of the GeTe semiconductor film layer through direct-current magnetron sputtering, and the thickness of the metal Ag electrode layer is 300-500 nm. According to the invention, by preparing a GeTe thin film with a rhombic crystal structure and forming anAg-GeTe-Ag device structure, high-efficiency conversion between light, heat and electricity is formed on the surface of the device, and a temperature gradient is generated in the device, so that the current in the device is changed, the response performance of the device to incident light is formed, and the photoelectric detection capability of the device in an ultra-wide wavelength range is realized.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Intelligent control system and method for personal care beauty instrument

ActiveCN104615329BEasy function switchingAchieve the effect of personal customized beauty modeTransmissionSpecific program execution arrangementsPersonal careNursing care
An intelligent control system of a personal nursing care cosmetic instrument and method thereof, the method comprising the following steps: an application (APP) software (12) of an intelligent terminal establishes a wireless connection with a nursing care cosmetic instrument (13) (S1); operation settings of the nursing care cosmetic instrument (13) are operated via an intuitive operation interface of the App software (12) of the intelligent terminal (S2); the nursing care cosmetic instrument (13) feeds back current usage information of a user and sends the same to the APP software (12) of the intelligent terminal so as to perform analysis (S3); according to the current usage information of the user, the software formulates a corresponding cosmetic scheme and feeds back the same to a display screen of the intelligent terminal of the user (S4); according to the cosmetic scheme on the display screen of the intelligent terminal, the user performs a corresponding operation (S5). The above method eliminates the need for configuring a setting on the instrument when the cosmetic instrument is used and completes personal settings directly by the APP software. The settings facilitate switching functions of the cosmetic instrument and provide accurate setting parameters, thus accomplishing a customized cosmetic model.
Owner:唐文彬

Vanadium dioxide precursor liquid and method for preparing thin-film material by using the same

The invention belongs to the technical field of material chemistry, in particular relates to a vanadium dioxide precursor liquid and a method for preparing a thin-film material by using the same. The vanadium dioxide precursor liquid of the invention comprises a soluble vanadium salt, a film forming accelerator and a solvent. The invention further provides a method for preparing a vanadium dioxide thin film by using the vanadium dioxide precursor liquid. The invention overcomes the shortages of the prior preparation technique of liquid-phase vanadium dioxide, reduces the cost of raw materials, and can previously reduce or oxidize the vanadium raw material in the raw materials to quadrivalence so that vanadium element is not necessarily subjected to an oxidation-reduction reaction in the process of thermal treatment. The vanadium dioxide thin film prepared by the invention has uniform phase, good purity and intelligent response to temperature. The vanadium dioxide thin film prepared ona glass substrate has a light transmittance peak value up to 70% at most in a visual light region and an infrared light regulating performance up to 60% at most, and has wide application prospect in the fields of optical functional materials and electric functional materials.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

A kind of graphene-coated nano-germanium composite material and its preparation method and application

The invention discloses a preparation method of a graphene-cladding nano germanium composite material. The preparation method is characterized in that germanium powder and graphite powder or the expanded graphite after being thermally treated are ball-milled by adopting a dielectric barrier discharge plasma assistant high-energy ball milling method; or the germanium powder is firstly under the dielectric barrier discharge plasma assistant high-energy ball milling, and the ball-milled germanium powder is mixed with the graphite powder or the expanded graphite after being thermally treated to be ball-milled by adopting the dielectric barrier discharge plasma assistant high-energy ball milling method. The structure of the composite material prepared through the technological steps is that the nano germanium particles are uniformly coated by a single layer or multiple layers of graphene networks; and due to the high capacity and excellent lithium-ion dispersion speed of the germanium and the high strength, high specific area, high conductivity and the like of the graphene, when being used as a negative electrode material of the lithium-ion battery, the composite material has high capacity, high multiplying factor and excellent cycling performance. The preparation method is simple in process, little in energy consumption, high in yield and environment-friendly.
Owner:SOUTH CHINA UNIV OF TECH

A fast-changing target single-sided reciprocating continuous coating magnetron sputtering roll-to-roll coating machine

The invention discloses a magnetron sputtering winding coating machine capable of exchanging target quickly and coating film continuously in reciprocating mode, and belongs to the field of coating equipment. The magnetron sputtering winding coating machine comprises a vacuum chamber, an unwinding mechanism, a cooling roller, a winding mechanism, a cathode small chamber, deviation rectifying devices and a rotating target-exchanging device; the unwinding mechanism and the winding mechanism are provided with a group of deviation rectifying devices, respectively; the cooling roller, the cathode small chamber and the rotating target-exchanging device are arranged on the same axis; the rotating target-exchanging device comprises a machine seat, a rotating disk, an axial telescoping mechanism, two or more telescopic shaft sleeve, a polar target seat plate and a radial telescoping mechanism; after the axial telescoping mechanism shrinks, the radial telescoping mechanism is located below one telescopic shaft sleeve; the unwinding mechanism and the winding mechanism drive a base belt to reciprocate. The cathode target can be exchanged quickly without opening the vacuum chamber, the continuous coating of a plurality of film layers is realized by the reciprocating motion of a substrate, each layer of film can be coated independently, the parameters of the film layer are convenient to control; and the equipment structure is compact.
Owner:常州常工院技术转移有限公司

A growth method of a light-emitting composite layer and an LED epitaxial structure containing the structure

The first purpose of the invention lies in disclosing a growing method for a light-emitting composite layer, and the method comprises the steps: periodically growing 8-9 wafers, wherein each wafer sequentially comprises a first InxGa(1-x)N layer and a first GaN layer from the bottom to the top, wherein x=0.15-0.25. The second purpose of the invention lies in providing an LED epitaxial structure comprising the light-emitting composite layer. The light-emitting composite layer (a high-temperature quantum well structure) can achieve the absorption of lattice mismatch and dislocation at the bottom of an epitaxial layer and the relief of an internal stress, thereby reducing the lattice defects of a low-temperature quantum well, protecting the low-temperature quantum well to great extent, improving the crystal quality of a light-emitting region, and improving the anti-static capability of the LED epitaxial structure. Meanwhile, the structure employs a mode of low-temperature growing, can greatly reduce the separate-out of In, achieves the improvement of the confinement of carriers, increases the number of light-emitting quantum dots, facilitates the improvement of radiative recombination efficiency, and improves the light-emitting intensity.
Owner:XIANGNENG HUALEI OPTOELECTRONICS
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