265 results about "SmallerThan" patented technology

The invention discloses a training device for a memristor-based neural network and a training method thereof. The neural network comprises N neuron layers which are connected one by one. The trainingmethod comprises the following steps of: inputting input data into a first neuron layer of the neural network so as to output an output result of the neural network at the Nth neuron layer, and calculating an output error of the Nth neuron layer; and counter-propagating the output error of the Nth neuron layer in a layer-by-layer manner so as to correct weight parameters between the neuron layers;and in the layer-by-layer counter-propagation process, three-valuing an output error of the mth neuron layer, and reversely inputting a voltage signal corresponding to an output result of the three-valuing operation to the mth neuron layer so as to correct a weight parameter of the mth neuron layer, wherein N is an integer greater than or equal to 3, and m is an integer greater than 1 and smallerthan N. According to the training method, the calculation ability of the memristor-based neural network is improved.

The invention discloses a transregional automatic radio station switching method for a vehicle-mounted radio, wherein a vehicle-mounted radio system consisting of a microprocessor module, a positioning module and a radio module is adopted. The transregional automatic radio station switching method comprises the steps of: locking preferential programs and establishing a preferential program file according to the habits of a user; acquiring notices of a new region in which a radio is located, in real time by the positioning module; when the signal intensity of a current radio station is smallerthan a preset threshold value, starting and searching radio stations again; recording all the radio stations with signal intensity values more than the threshold value in a frequency band into a listby the radio module, wherein the list comprises the signal intensity values, frequencies and radio station types determined according to information in a radio station database; and comparing the preference program file with the list one by one, and locking the frequency of the radio stations with the same types as that of preferential programs in the list, in the radio. According to the invention, the functions of automatic radio station searching and locking as well as transregional automatic channel recommendation based on vehicle owner habits are fulfilled for the vehicle-mounted radio.

The invention discloses a GEO and LEO cognitive satellite network and a dynamic frequency distribution method therefor. Efficient spectrum sharing can be realized, and the performances of a primary user and a secondary user are both considered. The GEO and LEO cognitive satellite network comprises at least one GEO satellite serving as a primary user and at least one LEO satellite serving as a secondary user; the GEO satellite adopts a multi-beam antenna and seven-color frequency reuse; the LEO satellite adopts a multi-beam antenna and frequency reuse, and the frequency reuse factor is smallerthan seven; downlink links of the GEO satellite and the LEO satellite share the same frequency band, so as to provide broadband fixed services for users; the beam coverage area of the GEO satellite is10 times or more the beam coverage area of the LEO satellite; and the LEO beam located in the GEO beam uses any frequency other than frequency of the GEO beam to perform the space division frequencyreuse of the LEO multi beams, and the frequency reuse factor is smaller than the frequency reuse factor of the GEO.

The invention discloses a circuit module, a dimmable LED driving circuit and a control method. According to the technical scheme in the embodiment, when a conducting angle of a triac dimmer is smallerthan a preset value, driving current is controlled to be reduced to a current value corresponding to a conducting angle signal, the smaller conducting angle is enabled to correspond to smaller driving current, so that current ripples caused by conducting angle jitter can be effectively reduced, and the problem of LED load flashing is solved.

The invention relates to a mechanical arm tail-end pose error correction method based on elliptic characteristics. The method comprises the steps of obtaining an image of a round-mouth target tank, extracting a target ellipse from the image, determining the relative position and axial relation between a tank mouth of the round-mouth target tank and an actuator according to the elliptic characteristics of the target ellipse, determining a current pose of the actuator, joint angles of all joints of a mechanical arm and the pose deviation value of the actuator according to the relative positions,the axial relation and configuration constraint of the mechanical arm, and adjusting the mechanical arm according to the pose deviation value till the pose deviation value of the actuator is smallerthan a preset value. By means of the method, the problems that single elliptic characteristic positioning has ambiguity and axial rotation poses cannot be determined are solved, accurate guidance canbe provided for the mechanical arm to collect samples and put the samples into the target tank, and control errors caused by local flexibility or joint clearance are corrected. The invention further provides a mechanical arm tail-end pose error correction system based on the elliptic characteristics.

The invention relates to an easy-to-weld container plate with the thickness ranging from 40 millimeters to 60 millimeters and the excellent center low-temperature toughness, and a making method thereof. The steel plate comprises the chemical ingredients, by mass, 0.04% to 0.09% of C, equal to or smaller than 0.40% of Si, 1.00% to 1.60% of Mn, equal to or smaller than 0.008% of P, equal to or smaller than 0.002% of S, 0.12% to 0.30% of Mo, equal to or smaller than 0.10% of the sum of Nb, V and Ti, 0.20% to 0.60% of Ni, 25 ppm to 55 ppm of N, equal to or smaller than 2ppm of H, the balance Fe and unavoidable impurity elements. Meanwhile, the steel plate meets the conditions that Pcm is equal to or smaller than 0.20%, w(Nb+V) / w(Ti) ranges from 10 to 30, the yield strength of the steel plate is larger than or equal to 490MPa, the tensile strength Rm of the steel plate is larger than or equal to 620MPa, the elongation A is larger than or equal to 21%, the yield ratio is equal to or smallerthan 0.88, the side knock power minus 50 DEG C KV2 of the position of one fourth of the thickness of the plate is larger than or equal to 220 J, and the side knock power minus 50 DEG C KV2 of the position of one second of the thickness of the plate is larger than or equal to 100 J. The method comprises the following working steps of molten iron pretreatment, converter smelting, ladle furnace refining, vacuum treatment, continuous casting, casting blank cover cooling, casting blank heating, controlled rolling, controlled cooling, stack retarded cooling, quenching, tempering, flaw detection andperformance examination. The easy-to-weld container plate with the thickness ranging from 40 millimeters to 60 millimeters and the excellent center low-temperature toughness not only has the excellenttoughness matching, but also has the excellent center low-temperature impact toughness, and thereby meeting the requirements on steel for a large spherical tank.

The embodiment of the invention discloses a neural network parameter adjustment method, device and equipment, and belongs to the technical field of computers. The method comprises the steps of acquiring parameters and a training sample of a trained neural network with the training sample comprising input data, and the parameters and the input data are floating-point numbers with the same precision; for the ith layer of network in the neural network, performing predetermined operation on the ith layer of input data and the ith layer of parameters to obtain a first operation result; Respectivelyconverting the ith layer of input data and the ith layer of parameters into fixed-point numbers conforming to decimal bit widths of the ith layer of network, and performing predetermined operation onthe converted ith layer of input data and ith layer of parameters to obtain a second operation result; And when an error between the second operation result and the first operation result is smallerthan an error threshold, determining the converted ith-layer parameter as a target parameter of the ith-layer network. According to the embodiment of the invention, the efficiency of parameter adjustment can be improved on the premise of ensuring the precision of the neural network.

The invention belongs to the technical field of air conditioners, particularly relates to an indoor unit anti-freezing control method for an air conditioner, and aims at solving the problems that according to an existing air conditioner, accurate judgment on the freezing situation of an indoor unit is difficult according to the inner coil pipe temperature, and the accidental errors are likely to exist due to an existing point taking judgment method. The indoor unit anti-freezing control method comprises the steps that when the air conditioner is under the circumstance of a refrigeration work condition, the average current value Id of an indoor draught fan is obtained at the interval of t1, and the first attenuation degree of the Id is calculated; if the first attenuation degree is smallerthan the first preset value, the average current value Im of the indoor draught fan is obtained at the interval of t2, and the second attenuation degree of the Im is calculated; according to the second attenuation degree, whether the air conditioner enters an anti-freezing mode or not is judged; and accordingly, the problem that the mistaken judgment is caused by the current fluctuation phenomenonof the indoor draught fan of the air conditioner, the air conditioner frequently enters the indoor unit anti-freezing mode due to the mistaken judgment, and the air conditioner refrigeration effect is influenced is effectively solved.

The invention discloses an organic light emitting display panel and a display device. An irregular edge saw tooth phenomenon of an irregular display panel can be weakened, and the display effect nearan irregular edge of the display panel can be improved. The organic light emitting display panel comprises an array substrate and a plurality of pixel units, wherein the array substrate comprises a display zone and a non-display zone around the display zone; the display zone has an irregular edge; the pixel units are formed in the display zone of the array substrate; the pixel units comprise a plurality of sub-pixels; each sub-pixel comprises a first electrode layer, a light emitting pixel layer and a second electrode layer which are arranged in sequence; the display zone comprises an irregular display area close to the irregular edge and a central display area far away from the irregular edge; the area of the first electrode layer of the sub-pixel in the irregular display area is smallerthan that of the first electrode layer of the sub-pixel in the central display area; and / or the area of the second electrode layer of the sub-pixel in the irregular display area is smaller than that of the second electrode layer of the sub-pixel in the central display area.

The invention discloses an air conditioner and a control method and device thereof. The method comprises the following steps: after the air conditioner is started, obtaining a target temperature set by a user, and acquiring an indoor environmental temperature and an indoor environmental humidity in real time; determining whether the current indoor environmental humidity is smaller than the presethumidity; if the current indoor environmental humidity is greater than or equal to the preset humidity, controlling the air conditioner to operate in a preset maximum dehumidification output or maximum dehumidification mode; if the current indoor environmental humidity is smaller than the preset humidity, controlling the air conditioner to perform refrigeration according to the preset maximum output capability; during the refrigeration operation of the air conditioner, determining whether the difference between the current indoor environmental temperature and the target temperature is smallerthan a first preset temperature difference; and if the difference between the current indoor environmental temperature and the target temperature is smaller than the first preset temperature difference, performing down-conversion control on the air conditioner. According to the control method, a good cooling effect can be achieved in a short time, energy consumption can be reduced, and energy saving is achieved.

The invention provides a hard carbon material for an anode of a sodium-ion battery, a preparation method of the hard carbon material and the related sodium-ion battery, and belongs to the technical field of energy storage materials and electrochemistry. The hard carbon material is synthesized from a biomass material as a precursor, compared with the traditional high-temperature carbonization process, the preparation method adopts process steps of alkaline washing, acid pickling, drying, pre-carbonization and pyrolysis, and the hard carbon material having larger interlayer spacing (not smallerthan 0.37 nm), smaller specific surface area (about 100 cm<3> / g) and rich micropores and mesopores is prepared by adjusting process parameters. By means of a special microstructure, the hard carbon material serving as the anode of the sodium-ion battery shows excellent electrochemical performance, high specific capacity, high coulombic efficiency and good cyclic stability. A novel concept is provided for preparing a sodium-ion anode material, and the preparation method is simple and has low preparation cost, high repeatability and small industrialization difficulty, and the hard carbon material is expected to be applied to sodium-ion batteries for realizing large-scale industrial production.

The invention relates to EH47 crack arrest steel for a large container ship. The chemical components of a steel plate comprise, by mass, 0.03%-0.06% of C, 0.15%-0.50% of Si, 1.50%-2.00% of Mn, smallerthan or equal to 0.008% of P, smaller than or equal to 0.0050% of S, 0.050%-0.080% of Nb, 0.020%-0.050% of V, 0.008%-0.020% of Ti, 0.80%-1.30% of Ni, 0.10%-0.30% of Cr and 0.10%-0.30% of Cu. The manufacture technology process of the steel plate comprises the steps of smelting, continuous casting, reheating, TMCP rolling and controlled cooling. The steel plate obtains fine and uniform acicular ferrite in the whole thickness, the strength is moderate, the toughness is excellent, the good brittle fracture resistance is achieved, namely, the CTOD characteristic value delta is larger than or equal to 0.15 mm at -60 DEG C, and the crack arrest performance is excellent, namely, Kca is larger than or equal to 6,500 N / mm<3 / 2>.

The invention discloses a density control system of heavy medium coal preparation control equipment. The heavy medium coal preparation control equipment comprises a medium barrel (26) and separation equipment, wherein the medium barrel (26) and the separation equipment are communicated by a pipe (24). The density control system comprises a detection device (21), a control device (21) and a regulation valve (23), wherein the regulation valve (23) is communicated with a water source (28) and a pipe (24); the detection device (21) detects the density of suspension in the pipe (24) between the regulation valve (23) and the separation equipment; the control device (22) receives a detected density signal and compares a detected density with a preset density; when the detected density is smallerthan the preset density, the opening of the regulation valve (23) is controlled to reduce; when the detected density is equal to the preset density, the opening of the regulation valve (23) is controlled to be constant; and when the detected density is greater than the preset density, the opening of the regulation value (23) is controlled to increase. The density control system can reduce power consumption and production cost and can ensure the quality stability of a screen out concentrate coal product. The invention also discloses the heavy medium coal preparation control equipment and a density control method.

The invention relates to soft polyester fiber and a preparation method thereof. The preparation method comprises steps as follows: modified polyester is subjected to metering, extrusion, cooling, oiling, stretching, heat setting and winding, and the soft polyester fiber is prepared, wherein an oil agent for oiling contains 67.30wt%-85.58wt% of crown ether. The soft polyester fiber is prepared frommodified polyester with a molecular chain containing a terephthalic acid chain segment, an ethylene glycol chain segment and an adipic acid chain segment and has the initial modulus smaller than or equal to 80 cN / dtex, the fineness of 75-300 dtex, the breaking strength higher than or equal to 3.6 cN / dtex, the elongation at break of 45.0% plus or minus 3.0%, the breaking strength CV value smallerthan or equal to 5.0%, the breaking elongation CV value smaller than or equal to 10.0%, the boiling water shrinkage of 7.5% plus or minus 0.5% and the oil content of 0.90% plus or minus 0.20%. The preparation method is simple, and the acquired polyester fiber has better flexibility and very considerable application prospects.

The invention discloses an efficient sweet cherry fence type grafting and symbiotic cultivation technology. According to the technical scheme, fence type cultivation is utilized. The method comprisesthe steps of large seedling cultivation and transplanting before grafting, trunk grafting and cultivation of lateral branches after grafting. According to structural indexes of trees obtained after symbiotic cultivation, the height of the trees is 2.5-3.0 m, the vertical section of each trunk is 40-50 cm high, the horizontal section of each trunk is 1.8-2.3 m long, 8-12 back branches grow on eachtrunk, the back branch spacing of each trunk is 10-15 cm, the length of the back branches on each trunk is smaller than 2.0 m, the diameter of base parts of the back branches on each trunk is smallerthan 4 cm, and the effect fruit and branch proportion is 98%. The invention further discloses application of the technology in the field of cherry grafting and cultivation field. The problem that in atraditional fence type cultivation technology, back branches of cherries are not balanced in growth is solved, seedling planting is completed within two years, and the technology has the advantages that the number of layers of tree structures is small, growth is balanced, the back branches are strong, the yield is high, harvesting is early, the cherry variety is good, and mechanical harvesting isfacilitated.

The invention discloses a doped and modified lead zirconate-titanate piezoelectric ceramic and a preparation method thereof. The doped and modified lead zirconate-titanate piezoelectric ceramic is shown in a following chemical formula I, namely xPb(Mg1 / 3Nb2 / 3)O3-yPb(Ni1 / 3Nb2 / 3)O3-(1-x-y)Pb(Ti1 / 2Zr1 / 2)O3+lSrCO3+mZnO+nQ, wherein Q is at least selected from Li2CO3 (lithium carbonate), CuO (copper oxide), SiO2 (silicon dioxide), MnO2 (manganese dioxide), Bi2O3 (bismuth oxide) and La2O3 (lanthanum oxide); l, m and n are respectively the mass percentages of SrCO3 (strontium carbonate), ZnO (zinc oxide) and Q in the compound Pb(Mg1 / 3Nb2 / 3)O3-Pb(Ni1 / 3Nb2 / 3)O3-Pb(Ti1 / 2Zr1 / 2)O3; x is greater than or equal to 0.10 and is smaller than or equal to 0.70, y is greater than or equal to 0.08 and is smallerthan or equal to 0.38, l is greater than 0 and is smaller than or equal to 0.5, m is greater than 0 and is smaller than or equal to 0.50, and n is greater than or equal to 0 and is smaller than or equal to 0.5. The doped and modified lead zirconate-titanate piezoelectric ceramic has the excellent properties of low sintering temperature, high electromechanical coupling coefficient, high piezoelectric strain coefficient, small dielectric loss and the like.

The invention provides a data distributed operation method and device, a storage medium and a processor, wherein the method comprises the steps of enabling a single-machine script submitted by a userto generate a directed acyclic graph DAG, wherein the DAG comprises a plurality of operation instances OPs; splitting the OP according to the generated DAG, the GPU resource request submitted by the user and the system GPU resource to obtain a plurality of sub-OPs; placing the plurality of sub-OPs on different computing nodes according to the computing loss of each sub-OP to divide the plurality of sub-OPs into a plurality of layers, and running the sub-OPs on the computing nodes of the plurality of layers in parallel, wherein the calculation loss of the sub-OP of the current layer is smallerthan the calculation loss of other sub-OPs on the current layer. Through the present invention, the problem that the specific equipment cannot be specified in the codes due to dynamic distribution ofthe equipment when a user writes the distributed codes in a large-scale cloud environment in the prior art is solved, and the algorithm efficiency of the system is improved.

The invention discloses a pH responsive nanometer carrier as well as a preparation method and application thereof, and belongs to the field of medicine delivery. Biomacromolecule is loaded to a pore canal of pH responsive mesoporous silica nanoparticles, a hole plugging agent is used for plugging the pore canal of the mesoporous silica nanoparticles, and the pH responsive mesoporous silica nanoparticles are mesoporous silica nanoparticle surface grafted acidic sensitivity molecules, wherein the diameter of the nanoparticle pore canal is 5-50nm. Under the condition that the pH value is smallerthan or equal to threshold, an acidic sensitivity chemical bond is ruptured, and charge on the surfaces of the nanoparticles is turned into positive charge from negative charge; and under the action of electrostatic repulsion, the hole plugging agent with the positive charge is separated from the surfaces of the mesoporous silica nanoparticles, the pore canal is exposed, and the biomacromolecule is quickly released. The pH responsive nanometer carrier can effectively solve the problems that the biomacromolecule leaks before arriving at target cells or cannot be controllably released under thespecific condition in cells, and controlled release under the specific pH condition of the loaded biomacromolecule is realized.

The embodiment of the invention provides a gesture interaction method and a device, the method is applied to terminal equipment with a folding screen, and the folding screen of the terminal equipmentcomprises a first touch display area, a second touch display area and a third touch display area in a folded state; the third touch display area is arranged between the first touch display area and the second touch display area; the method comprises the steps of determining that an angle value of an included angle formed by the first touch display area and the second touch display area is smallerthan a set angle value; obtaining an input event acting on the third touch display area; and in response to the input event, triggering the terminal device to execute an operation instruction corresponding to the input event. The method can respond to the gesture operation acting on the folding area of the folding screen of the terminal equipment, is beneficial to enrich the functions of the terminal equipment, and improves the operation experience of the terminal equipment.

The invention relates to a steel wire rod for a copper clad steel composite shielded wire and a production method of the steel wire rod and belongs to the technical field of steel for communication cables. The chemical components of the steel wire rod include C, Si, Mn, P, S, Al, Ti and B; the balance of the steel wire rod includes Fe and unavoidable impurities; the mass percentage of C is smallerthan or equal to 0.010%; the mass percentage of Si is smaller than or equal to 0.010%; the mass percentage of Mn is smaller than or equal to 0.07%; the mass percentage of P is smaller than or equal to 0.010%; the mass percentage of S is smaller than or equal to 0.010%; the mass percentage of Al is smaller than or equal to 0.004%; the mass percentage of Ti is smaller than or equal to 0.003%; and the mass percentage of B ranges from 0.0060 to 0.0120%. The production method includes a billet smelting process, a billet heating process, a wire rod rolling process and a wire rod cooling process. According to the heating process, continuous casting billet heating and hot billet secondary heating are adopted, and the temperature of a heating furnace ranges from 1140 to 1160 DEG C. According to the wire rod cooling process, a slow cooling technique is adopted. The steel wire rod for the shielded wire has excellent drawing performance and excellent conductive performance; the steel wire rod canbe drawn to 0.08 mm with wire fracture avoided; and the conductivity of the steel wire rod can reach 16.3% or more.

The invention relates to a cleaning method and system of a self-moving robot. The cleaning method and system of the self-moving robot are characterized in that whether the robot is walking on a flat ground is determined through horizontal data detected by an electronic level meter; when the number of the horizontal data, which is detected by an electronic level detection module, exceeding a presetangle is greater than or equal to a preset value during the time of the robot walking a first preset distance, an area that needs to be paid attention to and cleaned is encountered by the robot. Thecleaning method and system of the self-moving robot have the advantages that with H-shaped cleaning of the area conducted and a third preset distance between adjacent starting points set to be smallerthan the width of a robot body, repeated coverage rate of the cleaning is increased, focused cleaning of the area is realized, and a good cleaning effect is achieved; with the robot capable of independently determining and then conducting corresponding focused cleaning when areas needing focused cleaning are encountered, intelligence and cleaning efficiency of the robot are improved, and users'experience of products is enhanced.

The invention belongs to the technical field of medicine and particularly relates to a lelrozol tablet and a preparation method thereof. The lelrozol tablet is prepared from lelrozol and silicified microcrystalline cellulose, wherein the content of the silicified microcrystalline cellulose accounts for 20 to 60 percent of total weight of the tablets. The particle size D(v, 0.9) of the lelrozol issmaller than or equal to 60mu m, preferably the particle size D(v, 0.9) of the lelrozol is smaller than or equal to 40mu m and more preferably, the particle size D (v, 0.9) of the lelrozol is smallerthan or equal to 8mu m. According to the preparation method of the lelrozol tablet, disclosed by the invention, the silica microcrystalline cellulose is used, so that the trazodone is uniformly dispersed in the mixed powder; in addition, the lelrozol tablet has good fluidity, and the powder can be directly pressured into tablets, so that the technique is simplified, the time is saved and the laborintensity is low; besides, after a crude drug is crushed, the particle size is obviously reduced; by controlling the content of a disintegrating agent, the dissolution rate of the prepared lelrozol tablet is significantly increased, 85 percent or above can be reached in 15 minutes and thereby the lelrozol tablet is rapidly dissolved out.

The invention discloses a high-toughness ferrite type hot continuous rolling steel band for an oil-gas pipeline and a production method of the high-toughness ferrite type hot continuous rolling steelband, and relates to the technical field of hot continuous rolling steel plate production. The adding quantity of alloy elements is small, and the process adaptability is high. Rolled steel of the high-toughness ferrite type hot continuous rolling steel band for the oil-gas pipeline is prepared from chemical components in percent by weight: 0.04-0.09% of C, smaller than or equal to 0.30% of Si, 1.20-1.70% of Mn, smaller than or equal to 0.016% of P, smaller than or equal to 0.005% of S, smaller than or equal to 0.05% of Nb, smaller than or equal to 0.25% of Cr, smaller than or equal to 0.20% of Mo, smaller than or equal to 0.04% of Ti, smaller than or equal to 0.06% of Als and the balance Fe and inevitable impurities. The mean grain size of the rolled steel of the steel band is not smallerthan the 12 level. The metallographic structure of the rolled steel of the steel band is a needle-like ferrite phase and a small amount of pearlite. The production method of the steel band includes the procedures of pre-desulfurization, LF furnace refining, RH furnace refining, 5-6 passes of rough rolling, 6-7 passes of finish rolling, cooling and reeling.

The invention provides a well point fracture porosity prediction method based on dispersion characteristics of logging information. The well point fracture porosity prediction method based on the dispersion characteristics of the logging information comprises the following steps: Step 1, carrying out reservoir rock microscopic pore structure system division; Step 2, calculating the rock physical modulus of a dispersion medium model; Step 3, calculating the compressional wave velocity and the shear wave velocity of a rock physical model with multi-pore distribution; Step 4, carrying out matching inversion on the compressional wave velocity and the shear wave velocity of logging and the velocities of the theoretical model; and Step 5, when a matching objective function F(alpha<n>) is smallerthan delta Vp, outputting the attributes of reservoir fracture pores at a current point. The well point fracture porosity prediction method based on the dispersion characteristics of the logging information has the advantages that the logging information is utilized for fracture porosity prediction, so that the fracture development situation of a single well can be effectively predicted, and an effective basis can be provided for fracturing evaluation.

The invention discloses a charging control method and device, a storage medium and electronic equipment. The charging control method comprises the steps of when it is detected that a battery is in a charging state, acquiring a charging identifier; if the charging identifier is a first charging identifier, acquiring a charging current of the battery; judging whether the charging current is smallerthan a preset current or not; if yes, increasing a charging voltage so as to increase the charging current, and returning to execute the step of acquiring the charging current of the battery until theelectric quantity of the battery reaches a first preset electric quantity; and if not, returning to execute the step of acquiring the charging current of the battery. According to the scheme, when the battery of the electronic equipment reaches a certain breakage degree, that is, when the charging identifier is the first charging identifier, a first charging mode is started for rapid charging, sothat the technical problem that the charging speed is reduced after the battery is broken in the prior art can be solved.

The invention provides an engine oil pump control method and device. The engine oil pump control method includes the steps that a current engine water temperature signal and an altitude signal of a vehicle are acquired; when the engine water temperature is smaller than or equal to a preset temperature threshold, or the altitude where the vehicle is located is larger than or equal to a preset height threshold, a first control signal is output to control an engine oil pump to work at maximum rotating displacement; when the engine water temperature is larger than the preset temperature thresholdand the altitude where the vehicle is located is smaller than the preset height threshold, if the rotating speed of an engine is smaller than a rotating speed set value and the engine load is smallerthan a load set value, a second control signal is output to control the engine oil pump to work at a low pressure mode; and if the rotating speed of the engine is larger than or equal to the sum of the rotating speed set value and a rotating speed buffering value or the engine load is larger than or equal to the sum of a load set value and a load buffering value, a third control signal is output to control the engine oil pump to work at a high pressure mode.

The invention provides a color wheel and a light source using the color wheel. The color wheel comprises a first base layer, a wavelength conversion sheet and a second base layer, which are arranged in a laminated mode, wherein the wavelength conversion sheet is positioned between the first base layer and the second base layer; the wavelength conversion sheet comprises at least one wavelength conversion section; the wavelength conversion section comprises a wavelength conversion part and at least one fixed part, which are integrally molded; the fixed part is protruded from an outer edge of the wavelength conversion part; and one side of the fixed part is fixedly connected to the first base layer or the second base layer through a first adhesive. The area of all fixed parts is much smallerthan that of an annular edge of a gluing region in the prior art. Therefore, the area of the wavelength conversion sheet is smaller, so that the cost of the color wheel can be effectively reduced.

The invention discloses an inclination-rectifying method by uplifting for a frame-structured building. The inclination-rectifying method by uplifting includes the following steps: 1) digging a workingpit in foundation soil in an area, with a relatively-large settlement, of the foundation of the inclined building, to expose an independent foundation under a frame column in the area; 2) drilling holes down in the bottom of the working pit dug in the step 1) until a hard load-bearing soil layer is reached; 3) placing steel reinforcement cages and pouring concrete into the drilled holes to form bored concrete piles; 4) arranging a supporting device horizontally on the frame column; 5) placing uplifting devices between the top surfaces of the bored concrete piles and the supporting device; 6)using the uplifting devices to uplift the frame column and the independent foundation, of which the settlement is relatively large, through the supporting device, measuring the inclination rate of thebuilding and the settlement difference between the frame columns, and stopping uplifting when the inclination rate of the building and the settlement difference between the frame columns are smallerthan the allowable deviations stipulated in the specification; and 7) pouring concrete into gaps between the independent foundation and the foundation soil.

The invention provides a healthy air conditioner monitoring method and an air conditioner. The healthy air conditioner monitoring method comprises the steps that the air speed critical value A<0> in the need of filter net cleaning after the air conditioner is started to conduct trail operation is obtained, the air speed A in the period that the air conditioner normally operates to the moment oft is monitored, and the air speed A is compared with the air speed critical value A<0>, wherein i is a positive integer; when A / A<0> is larger than or equal to a first set value and smallerthan a second set value, filter net cleaning early-warning is sent out, wherein the first set value is smaller than 1, and the second set value is larger than or equal to 1; when A / A<0> is smallerthan the first set value, a filter net cleaning prompt is sent out; and when A / A<0> is larger than or equal to the second set value, the filter net cleaning prompt is stopped. The healthy air conditioner monitoring method adopts the air speed as a monitoring parameter and is simple, monitoring precision is high, and a user can be reminded more accurately in time to clean a filter net.

The invention provides a doped and modified high-nickel quaternary positive electrode material, and a preparation method and application thereof. The chemical formula of the material is (LiaNi1-x-y-zCoxAlyMnz)1-bMbO2, x)0,y)0,1-x-y) 0, wherein the z is larger than 0.01 but smaller than 0.05, the a is larger than or equal to 1 but smaller than or equal to 1.1, and the b is larger than 0 but smallerthan or equal to 0.01. The doped and modified high-nickel quaternary positive electrode material synthesized by the preparation method has excellent cycle performance. The preparation method is simple in technique, controllable in process and liable to industrialized mass production.