130results about How to "Alleviate needs" patented technology

The invention provides a data synchronization method of a distributed system, comprising the following steps that a main node is set as a root node, and all standby nodes are classified into at least two stages belonging to the root node; the main node carries out data synchronization on the next stage of primary standby node; and the primary standby node continues to carry out the data synchronization on the next stage of secondary standby node managed by the primary standby node until the data synchronization of all the nodes is ended. The invention also provides the distributed system. The invention solves the problems that the performance of the main node and the network bandwidth are easy to generate bottleneck and the data response delay is too long in the prior art, thereby providing an effective data synchronization mode, relieving the burden of the main node, relieving the requirement of the network bandwidth, greatly shortening the data response delay and improving the user experience.

The invention belongs to a coal washing method and discloses a gravity separation middling coal separation technology. Gravity separation middling coal is fed into rough grinding equipment. Products obtained after rough grinding is fed into screening equipment for primary classifying, and primary plus-sieve products and primary minus-sieve products are obtained. The primary plus-sieve products are fed into a dense medium cyclone for separation. The primary minus-sieve products are fed into separation equipment for secondary classification, and secondary plus-sieve products and secondary minus-sieve products are obtained. The secondary plus-sieve products are fed into fine grinding equipment for fine grinding. Products obtained after fine grinding and the secondary minus-sieve products are fed into size mixing equipment together for completing flotation. Two-time ore grinding, gravity separation and floatation combination and classifying separation are combined to separate gravity separation middling coal, under the premise that the middling coal dissociation degree is improved, the phenomena of over crushing are reduced, equipment separation efficiency is obviously improved, clean coal in the middling coal is recycled to the maximum degree, the coal preparation plant clean coal productivity is increased, and enterprise economical benefit is improved.

The invention discloses a method for expanding information amount of anti-counterfeiting digital watermark and electronic stamp, which expands the information amount without increasing data amount carried by the digital watermark and the electronic stamp through constructing and using additive safety and application information carried by a subliminal channel, so as to transmit more information to a receiver of protected digital content through the digital watermark or the electronic stamp, and support and realize the expansion of corresponding functions. The expandable functions comprise digital content decryption authorization, additional information for transmitting digital signature or stamp signature, private key or stamp signature loss prevention, enforced digital signature or stamp signature prevention, original digital media content reduction, and the like.

The invention relates to a method for using apocynum paper cylinder cultivation technique to recover the plant at alkaline land. Wherein, it comprises that collecting apocynum root, treating the apocynum root, preparing cultivation soil, preparing seed bed, finishing land, transplanting, and managing field. The invention has the advantages that artificially planting the apocynum on alkaline land, to improve the ecologic environment.

The invention relates to a method for manufacturing fast-growing wood sheet, in particular to a manufacturing method for modifying a fast-growing poplar board, belonging to the technical field of sheet manufacture. The invention has the advantages of small internal stress of a compressed carbonized poplar board manufactured by the method and good stability of the size of the board, thereby ensuring the quality of a compressed carbonized wood. The invention overcomes the defects of a fast-growing poplar sheet, such as low density, low hardness, low strength, easy corrosion, difficult direct use and the like, improves the density of the sheet by carrying out compression and densification for the poplar sheet, carries out carbonization on the compressed poplar sheet on the condition of pressurization, and eliminates the compression stress inside the sheet so as to prevent springback of the sheet and improve the size stability, density and strength. The poplar board manufactured by the method can be directly used as a sheet. The compressed carbonized poplar board can be partially or entirely used to replace high-quality precious wood, thereby relieving the contradiction between continuously reduced precious wood resources and increasing demand for wood.

The invention relates to an electrostatic beam blanker for a particle-optical apparatus, in which the blanker is used to generate a train of pulses with a fixed repetition rate. Such pulse trains with a sub-picosecond pulse length are for example used in the study of chemistry in the femtosecond scale.The beam blanker according to the invention uses a resonant structure, as a result of which the voltage is amplified by the quality factor Q of the resonant structure. During each zero-crossing of the signal, thus twice per period of the resonant frequency, the beam is transmitted, and the beam is blanked during the rest of the time. In a preferred embodiment the resonant structure comprises a transmission line. Impedance matching of signal source and resonant structure may be performed by tuning stubs.

The invention relates to a device for testing wireless baseband chips in a base station side, which comprises mutually connected chips to be tested and a controller unit, wherein the chips to be tested are used as uplink and downlink tested objects, and the controller unit controls the generation of the data stream of an uplink antenna of the chips to be tested or collects the data stream of a downlink antenna of the chips to be tested at a right time point. The method comprises the steps: inquiring the state of the chips to be tested, reading uplink processing results output by the chips to be tested, comparing the uplink processing results with uplink parameter results, or comparing collected downlink antenna data streams with downlink parameter results, and inquiring the downlink operating state of the chips to be tested so as to respectively judge the correctness of the uplink processing results and the downlink processing results of the chips to be tested. The invention can make up the defect that a special wireless testing instrument can not achieve the function of bit-order calibration at a specified time point, alleviates the requirements of a plurality of sets of testing environments to a plurality of testing instruments and saves the costs of research and development.

The invention provides a quantum key classification providing method for improving electric power data transmission security. The method comprises the following steps that a communication initiating party judges whether a local key length meets the present communication requirement or not; a communication receiving party judges whether the own residual local key length meets the present communication requirements or not after receiving the present communication request; the communication receiving party starts the quantum key encryption communication; the communication initiating party starts the quantum key encryption communication. According to the quantum key classification providing method for improving the electric power data transmission security provided by the invention, while the problem that the quantum key distribution speed is unmatched with the service requirement speed is relieved, an encryption service, which meets the respective security requirements, is provided for data transmission of an electric power system with different security levels, and the practicability of the quantum encryption technology in the electric power system is greatly improved.

The invention provides polypropylene fiber recycled brick and concrete coarse aggregate concrete and a preparation method thereof. The polypropylene fiber recycled brick and concrete coarse aggregateconcrete is mainly prepared from the following raw materials: water, cement, fine aggregate, recycled brick coarse aggregate, recycled concrete coarse aggregate and polypropylene fibers, wherein the mass ratio of the water to the cement to the fine aggregate to the recycled brick coarse aggregate to the recycled concrete coarse aggregate to the polypropylene fibers is 1:2.54:4.49:3.07:3.40:0-1.8:0.01. The specific preparation method comprises the following steps of mixing all the raw materials, and then adding a water reducer. The prepared polypropylene fiber recycled brick and concrete coarseaggregate concrete has the advantages that the working performances such as the workability, the liquidity and the water-retaining property are good, in addition, the preparation process is simple and environmentally-friendly, and construction is easier.

The invention discloses electric automobile charging equipment, a parking field, a system and method based on automatic identification, and mainly relates to the field of charging piles. The electricautomobile charging equipment comprises a control assembly, a track assembly, an electric pile assembly and a charging arm assembly; the rear part of a standard parking space is provided with electricautomobile quick charging equipment based on automatic identification and butt joint, the electric automobile quick charging equipment also comprises a remote control module and a quick charging equipment module; after the electric automobile is parked in the standard parking space by a user, the electric automobile is reserved for charging by the remote control module; the remote control modulefeeds back a charging instruction of the user to a control host, and the control host carries out time sequence control on the charging instruction of the user and identifies and charges the corresponding electric vehicle. The electric automobile charging equipment, the parking field, the system and method based on automatic identification have the advantages that under the condition that when theuser leaves, the functions of charging reservation, sequencing control, remote viewing, automatic butt joint and the like can be achieved, so that the user can leave as soon as the automobile is parked, the charging operation of the electric automobile is greatly facilitated, the operation safety is improved, and the utilization efficiency of the charging piles is obviously improved.

A high-temperature resistant seawater-based polymer fracturing fluid capable of continuous blending and a preparing method thereof are disclosed. The fracturing fluid includes 0.4-0.8 wt% of a thickening agent, 0.3-0.6 wt% of an auxiliary synergist, 0.2-0.4 wt% of an activating agent, 0.2-0.4 wt% of a metal ion stabilizer, and 0.3-0.4 wt% of a temperature stabilizer, with the balance being seawater. Beneficial effects of the fracturing fluid are that: a water-soluble multi-component copolymer is adopted as the thickening agent of the fracturing fluid system so that the fracturing fluid can rapidly swell in seawater having a high degree of mineralization; a low-viscosity high-elasticity fluid having a high space structure is formed through synergistic effects (non-crosslinking functions) with the auxiliary synergist; a sand-carrying property is good when the apparent viscosity is greater than 20 mPa.s; the prepared fracturing fluid is not eroded by bacteria, has characteristics of salt resistance, good temperature resistance and shearing resistance, low harm, no residue after cleaning, and the like, and can be prepared in batch or mixed continuously by adopting sea water; and the fracturing fluid can significantly reduce offshore fracturing construction costs and can increase fracturing construction efficiencies and reservoir yield-increasing effects.

The invention relates to a blast furnace injection material which is prepared in steps of preparing candle coal or noncaking coal into a lumpiness of 10-100 mm, carrying out carbonization in a carbonization furnace at 600-700 DEG C for 24 hours, classifying and processing the coal after the carbonization, and selecting powder of which the particle size is less than 5 mm as the blast furnace injection material. The invention lowers the blast furnace ironmaking coke ratio and the cast iron cost; can regulate the thermal system of the furnace, improve the operating state of the blast furnace hearth and ensure the stable and smooth operation of the blast furnace; and reduces the theoretical combustion temperature and creates conditions for realizing high-wind temperature and oxygen-enriched blast of the blast furnace. Compared with the gasification of coke, the gasification of injection coal powder discharges more hydrogen, thereby enhancing the reducibility and the penetration diffusivity of the gas and being beneficial to the improvement on ore reduction and blast furnace operation indexes. Metallurgical coke is replaced by the injection coal powder partially, thereby moderating requirements for the coke, decreasing coking facilities and saving the investment of capital construction. Besides, the invention decreases coke furnaces and produced coke and reduces the environmental pollution caused by coking production, and simultaneously, and powder generated in the semicoke production can be fully utilized.

The invention belongs to the technical field of oilfield chemistry, and relates to a fracturing fluid solution capable of being high-mineralization water and a fracturing fluid prepared from the solution. Special hydrophobic groups are introduced into a high-molecular polymer structure. After a long-time low-temperature reaction, the synthesized polymer is improved in temperature resistance, salt tolerance, and bacterial corrosion resistance. A compatible additive matches the synthesized polymer to form a fracturing fluid system with excellent drag reduction performance and sand transportation ability. The fracturing fluid system can effectively satisfy fracturing construction requirements. The fracturing fluid can be prepared from high-mineralization water, such as oilfield underground brackish water, a fracturing flowback fluid, and oil and gas well produced water. The prepared fracturing liquid has temperature resistance and salt tolerance performance, low damage, and low frictional resistance, and can effectively satisfy fracturing construction requirements.

A method for producing functional food through probiotics compound biological fermentation includes the steps that firstly, a converted cordyceps militaris culture solution is prepared and then fermented, and a cordyceps militaris fermentation product is obtained; then a strain and spores in the cordyceps militaris fermentation product are subjected to inactivation treatment; then, streptococcus thermophilus liquid culture, lactobacillus bulgaricus liquid culture, bifidobacterium liquid culture, lactobacillus acidophilus liquid culture and compound active bacterium liquid culture are carried out; then, a secondary fermentation basal culture medium is prepared, after the secondary fermentation basal culture medium is sterilized, one or more of streptococcus thermophilus liquid, lactobacillus bulgaricus liquid, bifidobacterium, lactobacillus acidophilus liquid and compound active bacterium liquid are inoculated for culture, and a probiotics secondary fermentation product is obtained; then the probiotics secondary fermentation product is dried. The functional food produced through the method contains rich nutrients, can be absorbed by human bodies easily, and promotes human body health.

The invention discloses a mechanical arm action learning method and system based on third-person imitation learning. The method and system are used for automatic control of a mechanical arm so that the mechanical arm can automatically learn how to complete a corresponding control task by watching a third-party demonstration. According to the method and system, samples exist in a video form, and the situation that a large number of sensors are needed to be used obtaining state information is avoided; an image difference method is used in a discriminator module so that the discriminator module can ignore the appearance and the environment background of a learning object, and then third-party demonstration data can be used for imitation learning; the sample acquisition cost is greatly reduced; a variational discriminator bottleneck is used in the discriminator module to restrain the discriminating accuracy of a discriminator on demonstration generated by the mechanical arm, and the training process of the discriminator module and a control strategy module is better balanced; and the demonstration action of a user can be quickly simulated, operation is simple and flexible, and the requirements for the environment and demonstrators are low.

The invention discloses a method for producing an alkaline fertilizer from insoluble potassium-containing rock by a kiln process, belonging to the technical field of chemical production. The method comprises the following steps: mixing phosphate rock tailings or low-grade phosphate rock with the insoluble potassium-containing rock according to the weight ratio of 1:(0.4-0.9), further adding anthracite accounting for 3-8% of the total mixed weight, drying, grinding and further preparing a material block; and then placing into a kiln, roasting at the temperature of 1000-1200 DEG C for 30-150 minutes to prepare sintered clinker, finally performing water quenching, reducing the temperature of the sintered clinker to 400-700 DEG C, and draining, drying, crushing and grinding the sintered clinker after water quenching to prepare the alkaline fertilizer. According to the method disclosed by the invention, the roasting temperature is only 1000-1200 DEG C, the energy consumption is low, and the process is simple; and phosphogypsum is not used, SO2 gas causing serious pollution of air is not contained in tail gas, and the special treatment of the tail gas is not required.

The invention discloses a cultivation method of sweet wormwood herb, and belongs to the technical field of plant cultivation. The cultivation method comprises seed propagation, land preparation transplanting and field management. By adopting the cultivation method, the emergence rate of sweet wormwood herb seeds is over 80 percent, the survival rate of transplanted tree seedlings is over 85 percent, the yield per mu is over 200kg, and the market demand of the sweet wormwood herb can be effectively lowered.

The invention discloses a method for setting inter-station unidirectional sectioned green wave signals for long-spacing buses. The method is specifically implemented for long-spacing bus stations containing a plurality of intersections among the stations, the inter-station intersections are grouped on the basis of unified signal periods and unified timing, signal phase differences of the intra-group intersections are set, signal phase differences of the inter-group intersections are coordinated with one another, and inter-station unidirectional sectioned green waves are set by means of adjusting departure moments of the buses. The method has the advantages that problems of fast rising demands on unidirectional buses and congestion caused by 'tidal traffic' are mainly relieved, fast and efficient running of the buses is guaranteed by means of setting the inter-station unidirectional sectioned green waves, the bus service level and the travel efficiency of passengers are improved simultaneously, attraction power of the buses is strengthened, and road congestion is relieved.

The invention provides a method for extracting alumina from fly ash. According to the mol ratio of CaO to SiO2 being 0.3 to 1.5 and the liquid-to-solid ratio being 5ml / g to 50ml / g, quick lime, fly ash and water ingredients are mixed; 5g / L to 100g / L of NaOH is added for regulating the pH value of slurry; the reaction is performed for 0.5h to 12h in a high-pressure sealed container with the temperature being 120 DEG C to 260 DEG C; through solid-liquid separation, digestion solution containing sodium metaaluminate as main ingredients and digestion slag containing tobermorite as main ingredients are obtained; then, CO2 gas with the volume concentration being 10 percent to 100 percent is introduced into the digestion solution; along with the reduction of the pH of the solution, aluminum oxide compounds are separated out in a crystal form; when the pH is 9.5 to 8.0, the gas introduction is completed; then, through the solid-liquid separation operation, crystals containing the dawsonite as the main ingredients are obtained. The method has the advantages that the low-cost recovery and utilization on aluminum resources in the fly ash can be realized; the obtained dawsonite can be used for producing aluminum salt chemical products, or can be used for producing metallurgy grade aluminum oxide and the like after being purified; the obtained tobermorite is used as ingredients for producing cement and concrete, and the product intensity can be improved.

The invention provides an influence assessment method and system and relates to the technical field of data mining. The method comprises the following steps: personal information of a target person isobtained, the personal information is derived from the Internet; according to a preset assignment rule, influence-relevant first parameter information in the personal information is scored to obtainan influence scoring result; according to the influence score result, an influence quantification value of the target person is determined; through the Internet, the personal information can be collected quickly at low cost; by assigning and scoring various dimensions of influence in the personal information, influence can be accurately quantified, and the influence quantification value can be obtained; the method characterized by is fastness, comprehensiveness, in-depth property and high precision. Therefore, the influence assessment method and system provided in the invention can help reducetime, labor and costs required for the assessment; accuracy and reference value of assessment results can be improved, and users' demand can be met.

The invention relates to a coal asphalt material for paving a high-grade road and a preparation method of the coal asphalt material. The existing preparation method of the coal asphalt has the defects of low coal asphalt utilization rate, large modifier dosage, high cost, complicated process, poor material stability and the like. The method disclosed by the invention comprises the following steps: taking mid-low temperature coal asphalt, and hotly melting to obtain a sticky substance; adding a plasticizer, and adding anhydride compounds and a lewis acid after agitating; adding polyethylene glycol after heating reaction, and then dewatering after reacting again, so as to obtain the coal asphalt material for paving the high-grade road. By adopting the process, the condensation phenomenon of the coal asphalt at high temperature is removed, and the low-temperature fragility and the cracking property of the coal asphalt are changed, meanwhile, the toxic properties of polycyclic aromatic hydrocarbon are greatly reduced, the additional value of the coal asphalt is increased, and favorable economic benefits can be generated.

The invention discloses a method for simulating troubleshooting training of a complex electrical system. The method comprises the steps of 1, building a database and a three-dimensional model for workload; 2, making each part in the database and the three-dimensional model of the load respond according to operation rules, realizing correlation, and triggering a trouble phenomenon through a trouble database; 3, measuring testing points of each part in the database after the trouble is triggered, so as to obtain the basis for trouble reasoning and judging; 4, reconnecting in case of problem in circuit connection; replacing any part suspected in trouble by the replacing function; 5, restarting, and verifying whether the trouble is resolved according to the operation rules. The method has the advantages that the high fidelity effect is reached on the appearance, operation logic, working principle and voltage characteristics which are basically the same as those of an actual electrical device; in addition, the trouble can be edited, so as to expand the trouble examination questions without limitation.

The invention provides a tidal power generation method and a universal tide power plant. Two reservoirs A and B are enclosed by a cofferdam method on a shoal or shallow sea; furthermore, a water inlet strobe and a water outlet strobe are arranged on the cofferdam to correspond to the reservoir A and the reservoir B; a separation levee between the reservoir A and the reservoir B is provided with a hydraulic generator set which generates power by water head; when an astronomic tide ebbs to the lowest tide level, the water outlet strobe corresponding to the reservoir B is closed to wait for flood tide; when the tide is flooded, the water inlet strobe of the reservoir A is opened and the water enters; furthermore, when the water level reaches the water head between the reservoir B and the reservoir A more than the minimum design of the water head difference for generation, the hydraulic generator set starts to generate power; when the astronomic tide is flooded to the highest tide level, the water inlet strobe of the reservoir A is closed, and the hydraulic generator set continues to generate power by the water head between the reservoir A and the reservoir B when the water level of the B reservoir ascends and the water level of the reservoir A descends; when the tide level ebbs below the water level of the reservoir B, the reservoir B is opened and the water is discharged out, leading the water level of the reservoir B is reduced to the minimum tide level with the ebb and the hydraulic generator set can continue to generate power till the tide is flooded to the next circulation. The invention has the advantages of long generation time, low manufacture cost of unit electric energy, strong controllability of electric energy quality, wide applicable range of plant establishment, high comprehensive exploitation rate of resource, etc.

Provided herein are hydrocarbon mixtures with controlled structure characteristics that address the performance requirements for finished lubricants driven by the stricter environmental and fuel economy regulations. The branching characteristics of the hydrocarbon molecules are controlled to provide a composition that has a unique and superior viscosity-temperature relationship and Noack volatility. An important aspect of the present invention relates to a saturated hydrocarbon mixture with at least 80% of the molecules having an even carbon number, with the branching characteristic of BP / BI in the range ≥−0.6037 (Internal alkyl branching)+2.0, where on average at least 0.3 to 1.5 of the internal methyl branches are located more than 4 carbons away from the terminal carbon when analyzed by carbon NMR. The saturated hydrocarbon mixture with such unique branching structure consistently exhibits a stand out performance in the cold crank simulated viscosity (CCS) vs Noack volatility relationship, which allows for the formulation of lower viscosity engine oils with improved fuel economies.

The invention discloses a waste oil anticipate regenerated energy device and a processing method. Calculated according to the oil exploitation amount in 2000, oil resources of China tend to be exhausted until 2020. The annual growth for oil demand of China is 5.77 percent, while the annual growth for national oil production is 1.67 percent, thus the contradiction between supply and demand is increasingly remarkable and the full utilization of waste oil is the current problem to be solved urgently. The device comprises a distillation part and a cracking part connected with the distillation part. The distillation part comprises a distillation tower (1) which is connected with an oil-water separator (2); the oil-water separator is connected with a fractionation catalytic converter (5) which is connected with a condensation water tank (4); and the condensation water tank is connected with a semi-finished product oil tank (7); and the fractionation catalytic converter is connected with a clean oil tank (8). The invention is applied to the field of water oil anticipate regeneration.

The invention discloses a process for hydrogen production by adsorption catalysis of crude synthetic gas and a device thereof. The process comprises the following steps: 1) mixing water vapor and the crude synthetic gas according to a water-carbon mol ratio of 2 to 6, adding a reduced reforming catalyst with an adsorption function, and carrying out a reforming hydrogen-producing reaction in a fluidized state; 2) oxidizing the reforming catalyst after a high-temperature combustion reaction so as to remove carbon deposit and sulfur-containing components on the reforming catalyst, and heating the reforming catalyst so as to release CO2 and realize regeneration; and 3) subjecting the regenerated reforming catalyst to in-situ reduction at 400 to 900 DEG C, subjecting the reduced reforming catalyst to circulating production of hydrogen, i.e., a product. According to the invention, the crude synthetic gas containing coal tar and sulfur can be further converted into hydrogen, so sulfur removal and coal tar separation of the crude synthetic gas are saved, and the selection range of hydrogen-producing raw gases is greatly broadened; through in-situ reduction of the reforming catalyst, a reduction procedure is not needed to be additionally arranged; and the device provided by the invention saves the use of auxiliary equipment like a degassing tank and a reduction reactor, so procedures are greatly simplified.

The invention discloses a soapberry cutting seedling method and belongs to the technical field of plant vegetative propagation. A soapberry one-year-old bearing branch is used as a cutting shoot, soaking in a mixed solution with the concentration of 100 mg / L of ABT number one rooting powder, naphthylacetic acid and spermidine is carried out, and then the branch is inserted into a mixed matrix of yellow soil, herb-residue-containing decomposition organic fertilizer and vermiculite for seedling culturing. The one-year-old bearing branch is used as the cutting shoot, the survival rate is high, and the requirement on improved variety of raw material forest construction can be effectively relieved. The mixed matrix of the yellow soil, the herb-residue-containing decomposition organic fertilizer and the vermiculite is used for cutting, a cutting shoot root system is developed, coppice shoot growing is vigorous, the number of cutting shoot rotting phenomena is small, the cutting shoot is subjected to soaking in the mixed solution of the ABT number one rooting powder, the naphthylacetic acid and the spermidine, cutting shoot callus forming is quick, early rooting can be achieved, and the number of formed adventitious roots is large. The technology provides supporting for soapberry professionalization and large-scale vegetative propagation, and great significance is achieved in soapberry five breed promotion and early high yield.

The invention discloses an automatic food vending machine achieving cold insulation and advance selling. The automatic food vending machine comprises a machine body which comprises a scanning device, a control device and a storage pushing device, and the control device controls the scanning device and the storage pushing device. The machine body is of an internal cavity structure which is internally provided with a partition plate, the partition plate divides the cavity structure into an insulating chamber and a refrigerating chamber which are each internally provided with a lifting pushing device and a storage device, and the lifting pushing devices and the storage devices are arranged in an adjacent mode. According to the automatic food vending machine achieving cold insulation and advance selling, an order is placed through reservation, and a consumer can obtain food which is fresh and good in taste by scanning a code by himself / herself at a fixed time and location.