74results about How to "Avoid negative influence" patented technology

A flash memory storage device, a controller thereof, and a data programming method are provided. The flash memory storage device has a flash memory comprising a plurality of physical blocks, each physical block includes a plurality of physical addresses, and the physical addresses comprises at least one fast physical address and at least one slow physical address. The method comprises at least grouping the physical blocks into a data area and a spare area; setting a predetermined block number; obtaining m physical blocks from the spare area, receiving a write command comprising a write data and a logical address, determining a logical address range of a buffer according to the logical address and the predetermined block number. When all logical addresses to be programmed with the write data are within the logical address range of the buffer, using a fast mode to program the data into the m physical blocks.

The invention relates to a detection method for detecting foreign matters in bottled liquid based on a reflected light path design and a detection device adopting the method. According to the method, a mechanical hand is used for clamping a detection bottle containing liquid from the upper part of the detection bottle to perform bottom light detection and backlight detection; a bottom light source is used for illuminating the detection bottle from the downside of the detection bottle to the upside; a first camera is used for shooting a transmittance image of front surface bottom light reflected by a first prism; a second camera is used for shooting a transmittance image of back surface bottom light which is reflected by a side back reflecting mirror and then reflected by a second prism; a backlight source is used for illuminating the detection bottle from the back surface of the detection bottle; a third camera is used for shooting a transmittance image of backlight reflected by a third prism; the images are analyzed to determine whether foreign matters exist in the liquid in the bottle; and the detection device consists of the light sources, the prisms, the reflecting mirrors, the cameras and matching devices. The detection device disclosed by the invention is small in volume and high in detection efficiency, and can be mainly used for detecting foreign matters in various bottled liquids especially medical bottled liquids including infusion bottles and the like.

The invention provides a dynamic scheduling method for processing newly-added express pickup demands during an express distribution process, which belongs to the technical field of intelligent and optimal vehicle scheduling. In order to solve the problems that the current express company distribution vehicles are high in no-load ratio and newly-added express pickup demands can not be met timely, the invention provides a dynamic scheduling method for simultaneous express pickup and delivery with batch scheduling and emergency scheduling combined. The method particularly comprises steps: 1, a distribution center receives newly-added express pickup demands; 2, a scheduling mode is selected; 3, the scheduling time is determined; 4, a scheduling range is determined; 5, the newly-added express pickup demand insertion positions are determined, and newly-added express pickup demands which can not be inserted to the current line are completed by vehicles assigned by the distribution center; and 6, local path optimization in the scheduling range is carried out.

The invention provides a water-based metal cleaner, relating to a technology of pretreatment of processes of metal coating, electroplating, hot dipping coating and the like, in particular to a technology of cleaning the pretreatment surface of carbon steel. The water-based metal cleaner provided by the method comprises the following components of: 190 to 220 g/L of industrial hydrochloric acid, 1.7 to 8.5 g/L of phosphoric acid, 1 to 5 g/L of oxalic acid or 1 to 5 g/L of tartaric acid, 1 to 2.2 g/L of fatty alcohol polyoxyethylene lauryl ether sulfate sodium AES or 1.5 to 2 g/L of sodium dodecyl sulfate, 0.6 to 1.6 g/L of peregal 0-15, and 2 to 2.3 g/L of fatty alcohol-polyoxyethylene ether AEO-9. The cleaner can fast, effectively and synchronously complete two processes of deoiling and derusting on the metal pretreatment surface, can effectively prevent acid mist from volatilizing, prolongs the service life of equipment and improves the working environment of labor workers.

The invention discloses a graphene-containing vegetable lubricant. The graphene-containing vegetable lubricant is prepared from the following raw materials: castor oil, modified castor oil, liquid graphene, trimethyl citrate, N,N-dimethylacetamide, modified nano cerium vanadium oxide, modified sodium carboxymethylcellulose, sucrose ester, an organic molybdenum compound, dodecyl selenium, 4-hydroxy-4-methyl-2-pentanone, benzotriazole, polymethyl methacrylate, 1-butyl-3-vinyl imidazole hexafluoroantimonate, polyurethane, cyclohexane and an organic anti-aging agent. The graphene-containing vegetable lubricant disclosed by the invention has the advantages that the castor oil and other additives are combined, an environment-friendly vegetable lubricant is prepared, the balance of properties is achieved by controlling the types and quantity of the additives, the vegetable lubricant has better oxidation resistance and self-cleaning capability and also has good lubricating property, viscosity-temperature characteristic, low temperature fluidity, low volatility, corrosion resistance, anti-foam property and anti-emulsifying property, and the overall performance is good.

A pretreatment leaching process of flotation zinc oxide concentrates includes the following steps that a small amount of concentrated sulfuric acid is added into the flotation zinc oxide concentrates and stirred evenly; heat-preservation curing is carried out on obtained mineral powder at a low temperature to partially decompose flotation chemicals on the surface of the flotation zinc oxide concentrates; the obtained clinkers are leached out with waste electrolytes, filtered and separated; and finally, a small amount of active carbon is added into the zinc sulfate solution obtained after filtering and separation for adsorption, filtering and separation are carried out again, and zinc oxide concentrate leachate is obtained. The pretreatment leaching process of flotation zinc oxide concentrates has the advantages of being simple, environmentally friendly and the like, can optimize the leaching conditions of the concentrates, and resolves the problems of residual floatation chemicals and the like.

The present invention discloses a DC solid-state circuit breaker with self-adapt fault current limiting capability. The topology of the DC solid-state circuit breaker is a H-bridge circuit consisting of two unidirectional breakable bridge arms and two series-connected diode bridge arms, wherein the two unidirectional breakable bridge arms are connected in series to the two series-connected diode bridge arms in a same direction to form two series branches, respectively; the series branches are connected in parallel; a series branch formed by a DC reactor L and a DC biased power supply is connected to the PCC between the two unidirectional breakable bridge arms and the PCC between the two series-connected diode bridge arms; the DC line is connected to the two PCCs, respectively.

The invention discloses graphene-inorganic nonmetallic fiber containing plant composite engine oil and a preparation method thereof. The preparation method comprises the following steps: adding graphene-inorganic nonmetallic fiber, liquid graphene, 1-octyl-3-methylimidazolium tetrafluoroborate into castor oil, stirring, then adding 2,2,4-trimethyl-1,3-pentanediol-isobutyric benzoate, didodecylmethyl tertiary amine, dimethyl glutarate, 12-hydroxystearic acid, a demulsifying agent, 1-3 parts of an antifreezing agent, an antiseptic and antirust agent, 2,6-di-tert-butyl-4-methylphenol, sasol wax,zinc dipentyl dithiocarbamate, triethanolamine oleate, oxidized polyethylene wax and fatty acid polyethylene glycol ester, and stirring to obtain the graphene-inorganic nonmetallic fiber containing plant composite engine oil. The graphene-inorganic nonmetallic fiber containing plant composite engine oil has good lubricity, viscosity-temperature properties, low-temperature fluidity and corrosion resistance and other characteristics, and has good comprehensive performance.

The invention provides a multi-unmanned aerial vehicle system formation tracking control method based on dynamic event triggering. The method comprises the steps that mathematical modeling is carried out on a multi-agent system composed of multiple unmanned aerial vehicles; based on the established model, the state of the multi-agent is estimated in a non-triggering period, and based on an estimated value and a measured value, a measurement error is calculated and a tracking error is defined; based on the measurement error and the tracking error, a controller for formation compensation input and leader bounded control input compensation and dynamic event trigger functions are constructed, and a leader and a follower correspond to different dynamic event trigger functions; and when a first trigger function meets a trigger condition, the leader unmanned aerial vehicle communicates with the adjacent follower, and when the second trigger function meets the trigger condition, the unmanned aerial vehicle as the follower performs information communication with the adjacent follower. According to the method, a novel event triggering mechanism which saves more energy is designed by introducing auxiliary parameters, and the communication efficiency is remarkably improved.

The invention provides an updating method and device and a storage medium, and the method comprises the steps: receiving an updating request sent by a vehicle-mounted terminal, the updating request comprising an identifier of the vehicle-mounted terminal, an identifier of a program package in the vehicle-mounted terminal, and an identifier of a resource package; According to the updating request,when a new version of program package is detected, obtaining a new version of resource package; And sending the new-version resource package and the new-version program package to the vehicle-mountedterminal, so that the vehicle-mounted terminal updates the resource package and the program package on the vehicle-mounted terminal according to the new-version resource package and the new-version program package, and plays the content corresponding to the new-version resource package when the program corresponding to the new-version program package is started. According to the updating method provided by the invention, the content in the resource package is played in the updating waiting process of the vehicle-mounted program, so that the user experience is improved, and the negative influence caused by long-time waiting of the user is avoided.

The invention discloses a method for manufacturing selective tensile stress contact hole etching stop layers. The method comprises the steps that a high tensile stress silicon nitride layer is deposed on an MOS device to be used as a contact hole etching stop layer, a multiple-laminating layer composed of a silicon nitride layer and a silicon oxide layer in an alternative mode is used as a ultraviolet light blocking layer of a PMOS area, the high tensile stress silicon nitride layer on the PMOS area and an NMOS area is subjected to selective ultraviolet light polymerization processing, a high tensile stress silicon nitride layer with the relative low stress covers the PMOS area, a high tensile stress silicon nitride layer with the relative high stress covers the NMOS area, and the purpose that the PMOS area and the NMOS area are provided with selective silicon nitride contact hole etching stop layers with different high tensile stress is achieved, the negative influence on the hole mobility of a PMOS device of single-step high tensile stress silicon nitride deposition is avoided, the complexity of a process for forming two contact hole etching stop layers by two-step silicon nitride deposition is also avoided, and the electrical property of the device is improved by low cost.

The invention provides a preparation method of a dual contact hole etching stop layer. The preparation method comprises the steps of 01, providing an MOS device, depositing a tensile stress silicon nitride layer on the MOS device as a contact hole etching stop layer and carrying out ultraviolet light polymerization treatment on the tensile stress silicon nitride layer; 02, coating the tensile stress silicon nitride layer with a photoresist layer; 03, carrying out exposure and development on the photoresist layer, removing the part, in the PMOS area of the MOS device, of the photoresist layer and retaining the part, in the NMOS area of the MOS device, of the photoresist layer; 04, carrying out ion implantation on the part, in the PMOS area of the MOS device, of the silicon nitride layer to form a pressure stress silicon nitride layer; 05, removing the part, in the NMOS area of the MOS device, of the photoresist layer. Compared with a traditional preparation process for the dual contact hole etching stop layer, the preparation method is simpler and lower in cost, thereby having the significant advancement of improving the device performance at a low cost.

A transport carrier (1) for precise-positioned supply of small parts (12) which can only be sorted with difficulty, especially plastic parts, characterized in that a flat transport strip (2) is provided with stamped receiving and fixing openings (3) for receiving positioning and jointing aids (4) arranged on said small parts (12). The invention also relates to a method for supplying small parts which can only be sorted with difficulty, especially small plastic parts, to a placement station, comprising the following steps: provision of positioning and jointing aids (4) which are connected to one or several small parts (12); securing the positioning and jointing aids (4) in the receiving and fixing openings (3) of a transport strip (2) by jointing or cold deformation; transferring the small parts (12) to the placement station via the transport carrier (1); precise-positioned removal of the small parts (12) from the receiving and fixing openings (3); and returning the transport carrier (1) to the supply circuit. The invention provides a reusable transport carrier for precise-positioned supply of small parts which can only be sorted with difficulty, enabling corresponding reductions to be made in the transport carrier and tool costs. The invention also enables the carrier strip to be fitted with interchangeable mould bars outside an injection moulding machine, thereby enabling waste parts to be sorted before despatching.

The invention relates to a natural edible hair shampoo and a making method thereof. The natural edible hair shampoo comprises the following components: fatty acyl lactyl-lactic acid, arginine, plant monoolein, plant phospholipid, epsilon-polylysine, lauroyl arginine ethyl hydrochloride, inulin, polyhydric alcohols, and the like. The edible hair shampoo is capable of preventing static electricity,improving hair smoothness and preventing pore blocking and is good in flowability at a low temperature; the classical idea of conventional cationic hair protection (with serious irritation) is turnedover, natural anionic type washing and protection main materials without irritation are used, the shampoo is based on a non-closed protein peptide/low HLB (hydrophile-lipophile balance) value oilinessagent film formation smoothing system, a cationic high polymer/silicon oil hair protection mode with intensive negative effects is avoided, original ecological environments of hair and scalp can be protected, the product meets the smooth experience of organic silicon oil finally, and a novel way is created for research and development of edible cosmetic type cleaning and protection two-in-one hair shampoos.

The present invention proposes a reliable evaluation criterion-based robust cooperative spectrum sensing method. According to the method, channel access feedback and full-time slot sensing are introduced to establish a reliable evaluation standard; based on the evaluation standard, the idle probability and occupation probability of an authorized channel and the detection probability and false alarm probability of a sensing node are calculated according to data in first N time slots; and local judgment results reported by the sensing node at the current time slot are fused according to the above calculation results, so that global judgment is performed. The method of the invention has high robustness and can maintain good performance under a large number of malicious users.

The invention belongs to the technical field of fingerprint encryption fusion in information security and mode recognition, and discloses a fingerprint encryption method based on a fusion feature descriptor. The method comprises: firstly, constructing a registration-free feature descripto, wherein the descriptor is composed of three parts, namely a fingerprint detail point direction field featuredescriptor, a fingerprint detail point local structure descriptor and a ridge line counting feature descriptor; Then storing the descriptor into Helper Data for encryption domain matching of a fingerprint encryption algorithm; Binding the fingerprint feature information with a secret key by using a Fuzy Valert algorithm, and adding a hash point to generate a Valert; And when the user needs to carry out verification, calculating a matching score between the query fingerprint and the Helper Data generated by the registration fingerprint, carrying out encryption domain matching with the registration fingerprint, and finishing a fingerprint encryption and decryption process. According to the invention, the traditional error caused by inaccurate registration is avoided, and the matching precision of the fingerprint encryption technology is improved.

A power conversion device and an electronic device comprising the same. The power conversion device comprises an input terminal configured to connect with a power source and receive an input voltage; an output terminal configured to connect with a load and provide an output voltage for the load; a first power conversion unit configured to convert the input voltage into the output voltage and stabilize the output voltage; a second power conversion unit configured to convert the input voltage into the output voltage and stabilize the output voltage, the second power conversion unit having a higher power conversion efficiency than the first power conversion unit when an output current provided for the load is higher than a first threshold value; and a power conversion unit selection unit configured to detect parameters corresponding to the output current and select the first power conversion unit and the second power conversion unit based on the parameters corresponding to the output current.

The invention relates to a lightning protection device for protecting a small fan in microgrid, which consists of a cage-shaped steel hood, a steel base support, a bearing for fixing the upper end of a fan shaft, a bearing for fixing the lower end of the fan shaft, building lightning protection grounding flat iron, fan blades, the fan shaft, a power generator, an insulation ferrule at the upper end of the fan shaft and an insulation ferrule at the lower end. The lower end of the cage-shaped steel hood is coaxially fixedly mounted on the steel base support, four corners of the steel base support are fixedly mounted on the building lightning protection grounding flat iron, the fan shaft is mounted in the center axis of the cage-shaped steel hood coaxially, the upper end and the lower end of the fan shaft are mounted on the cage-shaped steel hood by the aid of the bearing for fixing the upper end of the fan shaft and the bearing for fixing the lower end of the fan shaft through the insulation ferrules at the upper end and the lower end of the fan shaft, and the fan blades are fixedly mounted on the fan shaft between the two bearings for fixing the upper end and the lower end of the fan shaft. Besides, the power generator is fixedly mounted in the steel base support, and an output shaft of the power generator is connected with the fan shaft coaxially. The lightning protection device is simple in installation, solves the problem of lightning protection for the small fan in the microgrid and has great significance in popularization and demonstration.

The invention relates to an OLED (Organic Light Emitting Diode) driving circuit, a display panel, a preparation method and display equipment, in the circuit, the anode of an organic light emitting diode is connected with a driving node, and the cathode of the organic light emitting diode is connected with a low power supply voltage end; the cathode of the diode device is connected with the anode of the organic light-emitting diode; the output end of the auxiliary cathode circuit is connected with the anode of the diode device, and the auxiliary cathode circuit receives a test current signal; a connecting part is arranged between the low power supply voltage end and the auxiliary cathode line; in the aging test period, the connecting part is disconnected, so that the auxiliary cathode line transmits a test current signal to the organic light emitting diode; and after the aging test period is finished, the connecting part is conducted, so that the organic light-emitting diode works normally. In the aging test process, the flowing large current can avoid the TFT path, the negative influence of the large current on the TFT device is eliminated, and after the aging test is completed, the normal light emitting of the organic light emitting diode is not influenced, and the reliability of the OLED driving circuit is improved.