682results about How to "Solve puzzles" patented technology

The invention belongs to the field of recycling economy and water treatment and discloses a system and a method for leachate treatment in a sanitary landfill. The system is formed by sequentially connecting a regulating tank, an upflow anaerobic reaction tank, an anaerobic and aerobic biochemical reaction tank, a secondary sedimentation tank, a coagulation sedimentation tank, an immersion-type ultra-filtration system, a nano-filtration system and an advanced oxidation system. The system is capable of carrying out the overall treatment on waste leachate, achieving the advanced treatment of the waste leachate in the sanitary landfill in a way that the physical treatment, chemical treatment and biological treatment are integrated based on the principle that the contaminants having different particle sizes and properties in the waste leachate are classified and achieving the classification of nearly 90 organic contaminants in the waste leachate, thus the treated effluent can fully meet the requirement for the effluent concentration limit of water pollution according to 'the standard for pollution control on the landfill site of municipal solid waste' (GB16889-2008), the system can operate stably for a long time, and the treatment cost is lower than that according to the secondary disc tube reverse osmosis (DT-RO) process.

The invention relates to a large span steel box girder cable-stayed bridge tower lower beam segment mounting method, belonging to the bridge construction steel box girder construction technology field. The construction method comprises the steps: (1) setting up a masts type crane lifting tower area steel box girder by means of the upper crossbeam of the cable tower and the construction wind; (2) mounting the bridge deck crane in on the tower area steel box girder and lifting the first standard beam segment immediately adjacent to the tower area steel box girder; (3) mounting the bridge deck crane symmetrically on the mounted first standard beam segment, and starting the standard beam segment symmetrical hanging on both the river side and the bank side. The method in the invention achieves the advantages of simple, practical, safe, reliable, economic, convenient less limited by the construction condition, solves the problems in present large span steel box girder cable-stayed bridge construction process.

The invention relates to an AC power flow constraint-based uncertainty unit commitment model and a solving method. With the minimum fuel cost sum for a thermal power unit in 24 hours as an optimization target, a chance-constrained method is adopted to describe uncertainty for wind power output, AC power flow model-based network security constraints are built, and thus, the AC power flow security constraint-based uncertainty unit commitment model is provided. In view of the problem that the model is hard to solve, the invention provides a random constraint ordinal optimization method for successfully realizing quick model solution. In comparison with the traditional DC power flow constraint-based uncertainty unit commitment model, the provided model of the invention can effectively reduce the risk of threshold crossing of power grid voltage after large-scale wind power access, effectiveness of current power generation planning decisions is enhanced, the built model can finely calculate system network losses, and data reference is provided for a dispatching person. In addition, the solved algorithm is greatly enhanced compared with the traditional algorithm.

The invention discloses an intelligent card charging system and a method thereof. The system comprises: a network terminal for accessing the network to be switched into a charge interactive system, wherein the network terminal comprises a control unit for executing the communication between the charge interactive system and a preposed interface device; the preposed interface device for communicating with the intelligent card and providing an interface for the intelligent card to be switched into the network terminal, transmitting a received earmark order to the intelligent card to be charged,and returning a successful order after the intelligent card is successfully charged; and the charge interactive system for electronically paying, transmitting the earmark order to the control unit, and synchronously updating the remaining balance of an E-wallet of the intelligent card in an intelligent card business system. By using the invention, users can charge by themselves with a computer terminal at home, thereby saving time and being convenient.

The invention relates to a device for drilling and coring lunar soil in the moon outside a hole, and belongs to the field of equipments for sampling loose lunar soil in the moon. A screw rod drill bit of the device is a solid drill bit, a drill bit blade is arranged on the circumferential surface of the lower part of the screw rod drill bit, a bearing is mounted at the upper part of the screw rod drill bit in a matching manner, and a connection sleeve is fixedly connected with the bearing; a collector is a hollow sleeve, an annular empty inclined plane is arranged inside the collector, a lower port of the collector is connected with a coring tube orifice in a matching manner, an upper port of the collector is connected with the connection sleeve in a matching manner to be sleeved on the periphery of the screw rod drill bit, and a sand guide mouth is formed at the bottom part of the collector and is connected with a core filling hose; therefore, the loose sand rises to a certain height along with the drilling of the drill bit to enter the collector, and the sand can flow into the core holding hose outside the hole through the sand guide mouth of the collector under the action of gravity force and centrifugal force. The device creatively solves the difficult problem that the loose lunar soil in the moon is drilled under the unattended operation conditions, efficiently and conveniently finishes the core package and transfer of moon lunar soil drilling and coring, and particularly provides feasible excellent equipment for the lunar exploration geology research.

The invention discloses a process for producing marsh gas and bioorganic fertilizer by utilizing tobacco waste. The process comprises the following steps of: a, primary crushing; b, auxiliary material blending; c, anaerobic fermentation; d, solid-solution separation; e, secondary feed proportioning; f, stacking and fermentation; g, magnetic concentration; h, drying; i, pulverization; and j, packaging. According to the process, through carrying out the anaerobic fermentation and aerobic fermentation after a microbial agent is added into the tobacco waste, the marsh gas which is higher in value and the high-quality bioorganic fertilizer are produced; the recycle of resources is realized; the waste is changed into the valuable; the difficult problem of the tobacco waste, which puzzles a tobacco grower for a long term, is really solved; and the process is better in economic benefit and social benefit.

The invention discloses a solidification/stabilization treatment method for papermaking sludge. The method comprises the following steps of: adding a solidifying agent into the papermaking sludge with water content of 70 to 80 percent according to a weight ratio of the sludge to the solidifying agent of 100:14-24, stirring the mixture to react for 10 to 15 minutes and uniformly mixing the mixture to form solidified block precursors; and laying solidified block precursors which are uniformly stirred in a sludge landfill site according to a thickness of 5 to 100cm, covering a water-proof membrane on the solidified blocks and curing the solidified blocks for 2 to 10 days by using a dry curing method to form sludge solidified blocks, wherein the compressive strength of the sludge solidified block is 160 to 320kPa, the COD concentration in solidified block leaching solution is 110 to 200mg/L, and the water content of the solidified block is 30 to 40 percent; and the solidifying agent comprises the following components in percentage by weight: 40 to 50 percent of aluminate cement, 15 to 25 percent of fly ash and 30 to 40 percent of cinder; toxic heavy metal ions are wrapped after the sludge solidification, so that the pollution of the sludge is reduced; the solidified sludge does not have foul smell of the original sludge and reduces the harm to an operator during the operation; and the method has the advantages of readily available raw material, low cost, stable effect and simple operation procedure.

The invention discloses steel slag composite powder and a preparation method thereof. The steel slag composite powder comprises the following raw materials by weight: 30 to 45kg of heat-stewed steel slag micro powder, 5 to 10kg of refining slag micro powder, 30 to 45kg of mineral slag micro powder, 3 to 3.5kg of polycarboxylic acid, 3 to 3.5kg of triethanolamine, 5 to 6kg of calcium sulfate, 4 to 5kg of polyaluminum sulfate and 2 to 3kg of dolomite powder. The preparation method comprises the following steps of: (1) crushing and pulverizing converter steel slag to obtain the heat-stewed steel slag micro powder for later use; (2) crushing refining slag to obtain the refining slag micro powder for later use; (3) putting the raw materials in a weight ratio into a ball mill and performing ball milling to obtain a mixture for later use; (4) pulverizing blast furnace slag to obtain the mineral slag micro powder for later use; and (5) mixing the mineral slag micro powder and the mixture in a weight ratio to obtain the steel slag composite powder. The steel slag composite powder is prepared from steel slag which is not required to be stored and various raw materials, and can be used in the raw materials of products such as cement, concrete and the like so as to fulfill the aims of reducing the manufacturing cost of the cement, the concrete and the like, improving product quality and expanding the use range of the steel slag.

The invention relates to an examination question duplicate checking and judging method and device. The method comprises the following steps: acquiring the information of examination questions; matching the acquired information of the examination questions with the examination questions in a question bank; if the matching degree of the examination questions is lower than minimum repetition rate of the examination questions, submitting the examination questions to on-line manual answering process for treatment to acquire to-be-pushed examination question analysis; if the matching degree of the examination questions is greater than or equal to minimum repetition rate of the examination questions, confirming whether to submit the examination questions to manual duplicate judging process for treatment or not; if the examination questions are submitted to the manual duplicate judging process, pushing the corresponding examination question analysis in the question bank when the duplicate judging result is repetitive; submitting the examination questions to the on-line manual answering process for treatment to acquire to-be-pushed examination question analysis when the duplicate judging result is not repetitive; otherwise, pushing the corresponding examination question analysis in the question bank. Through the combination of two manners of an image recognition technology and manual duplicate judging, the problem that teachers answer repetitive examination questions and repetitive examination questions are accumulated in the question bank due to immaturity of current image recognition technologies is solved; burden of manual answering questions is reduced; the method and device can be applied to educational electronic products of learning machines, and the like.

The invention relates to a high-purity sodium rabeprazole compound, belonging to the technical field of medicine. The method includes the following steps: dissolving crude sodium rabeprazole synthesized by the reaction of rabeprazole and sodium hydroxide in water, adjusting pH value to be faintly acid to neutral by using solid acid salt, and collecting precipitated solid; after dissolving the solid with organic solvent, conducting elution and purification by using eluting agent through macroporous adsorption resin, and collecting eluent; and adjusting the pH value of the eluent to be alkaline, and collecting the precipitated solid to obtain the pure sodium rabeprazole.

The invention discloses a method for culturing cyprids of balanus reticulates on a large scale, which comprises the following steps: after ovum of the balanus reticulates is bred into naupliar larva, putting the naupliar larva into a culture medium with bait for constant temperature culture in dark environment; performing intermittent lighting on the naupliar larva in the constant temperature culture process; and performing cold storage on the appeared cyprids. The method can overcome the defects of high death rate, small and unstable yield, quick settlement and metamorphosis processes, incapacity of storage and accumulation and the like in the breeding process of the cyprids, greatly improve the yield of the cyprids, effectively prolong the time of a drifting stage of the cyprids, promote the settlement synchrony of the cyprids, and provide required experimental materials for screening marine fouling organism antifouling compositions and studying environmental toxicology, along with wide application prospect.

The invention discloses a two-step optimization design method for an automotive body section shape. A box-type section is adopted as an intermediate variable to establish two-step collaborative optimization design. The first step of optimization design includes: taking weight of an automotive body as an objective function and high stiffness performance as a constraint condition to build an optimization model in regard to dimension parameters of length, width and thickness of the box-type section; adopting serial linear programming based on component sensitivity information to solve the optimization model so as to obtain the optimal dimension of the box-type section, and further obtaining optimal geometric features of the section. The second step of optimization design includes: taking a minimum sectional area as an objective as well as bending inertia moment, torsional moment of inertia and manufacturing process obtained through first-step optimization as constraint conditions, performing section shape optimization study on sheet thickness and node coordinates of a beam section; adopting a genetic algorithm to solve a polynomial of discrete-continuous variables. By the optimization design method, the complex section shape of the automotive body is determined rationally, and the problem troubling the field of automotive body structure design is solved.

The invention discloses a thermal shock gasifying electrospray ionization source and a mass spectrometry (MS) system, belonging to the technical field of ambient MS ionization. The MS ionization source disclosed by the invention comprises an electrospray generator, a heating device and a sampling device, wherein the heating device comprises a gasifying chamber and a heater providing heat for the gasifying chamber; a sample nozzle of a sample tube of the sampling device is configured in a way of facing the bottom of the gasifying chamber; the outlet end of a spraying capillary tube of the electrospray generator is opposite to the inlet of a mass spectrometer and is spaced from the inlet by a certain distance; the gasifying chamber and the sample nozzle are placed under the space between the outlet end of the spraying capillary tube and the inlet of the mass spectrometer. The ionization source provided by the invention gasifies a sample in a thermal shock manner and improves the heating efficiency of the sample through shortening heating time; since the sample is heated for a short time, heat energy is not converted into the molecular internal energy of the sample and only can be provided for the sample to overcome the intermolecular force, and the molecules of the sample cannot be decomposed due to heating; thus, the ionization source provided by the invention can be used for detecting heat-unstable and nonvolatile compounds and biological samples and solves the difficulty existing in the traditional thermal desorption technology.

The invention relates to a multifunctional automatic stamping machine. The multifunctional automatic stamping machine comprises a base, a rack, an eccentric wheel, a motor, vertical sliding parts, a sliding transverse rod, an inkpad box and a stamping part, wherein the rack is arranged on the base through a side plate, a paper inlet gap is arranged between the bottom side of the side plate and the base, the motor is installed on the rack, an output shaft of the motor is horizontally arranged, the eccentric wheel is fixedly installed on the output shaft of the motor, the vertical sliding parts are arranged on the left and right side surfaces of the rack, the sliding transverse rod is fixedly arranged on the vertical sliding parts, a horizontal runway groove is arranged in the horizontal direction of the middle of the sliding transverse rod, an eccentric driving rod is fixedly arranged at the external end surface of the eccentric wheel, the eccentric driving rod is arranged in the horizontal runway groove, the inkpad box is inserted into the lower end surface of an inkpad baffle, an inkpad oil film surface faces downwards, and the stamping part is arranged below the inkpad box and is connected with the vertical sliding parts. The multifunctional automatic stamping machine can automatically stamp bills, the stamping pressure is uniform and the stamps are clear, uniform and consistent.

A method for calculating the electric consumption of each indoor unit in an air conditioner with multiple indoor units features that the overheat degree or overcold degree, the pressure of refrigerant and the capacity of each indoor unit are used as the basic parameters of calculation.

The invention relates to composite high-viscosity modified asphalt and a preparation method thereof. The raw material comprises the following components by weight percent: 84-88% of heavy duty bitumen and 12-16% of modified compounds. The method comprises the following steps: mixing SBS, desulfurized colloidal particles and a compatilizer containing an epoxy group to prepare a modified compound; preparing modified particles after mechanically pelletizing; adding the modified particles to asphalt at 170-190 DEG C; melting and refining compound particles after shearing at a high speed for 30-60 minutes on a high-speed mixing emulsifier; transferring the sheared asphalt to a high-speed disperser, and agitating to obtain the composite high-viscosity modified asphalt. The composite high-viscosity modified asphalt prepared by using the method has the characteristics of stable heat storage, and excellent high and low temperature properties, has good economic benefits and environmental effects because of use of waste rubber, and is free of sulphur as a stabilizer, the construction viscosity can be reduced, the construction environment can be improved, and the problem that incompatible asphalt is difficult to stabilize is solved.

The present invention relates to ferrite stainless steel and its application in rolling heat resistant steel pipe. The ferrite stainless steel contains: C not more than 0.06 wt%, Cu not more than 0.30 wt%, Si 0.5-2.0 wt%, S not more than 0.030 wt%, Mn not more than 0.6 wt%, P not more than 0.030 wt%, Cr 16.0-25.0 wt%, Ti not more than 0.3wt%, Al 0.5-2.0 wt%, Ni not more than 0.60 wt%, N not more than 0.030 wt%, except Fe. During making heat resistant steel pipe with the ferrite stainless steel, temperature control mode in 100-1050 deg.c is adopted.

The invention relates to two-dimensional manifold assembly interface angle incising control device. The main technological features lie in that a angle sensor and a control box is mounted on a treading electric machine, a control circuit mounted in the control box is controlled by monolithic computer, the monolithic computer computes the axial translation of stepping motor through manifold assembly diameter parameter, angle parameter and correlation parameter input by control box panel, input information transferred by angle sensor to drive the stepping motor to designated axial translation, a tread wheel and guiding wheel is mounted on lower part of tread motor, a rack bar is fixed on the tread trolley on which a tread motor is fixed, a rack bar tread mechanism is mounted on the rack bar, a stepping motor and cutting gun are mounted on the rack tread mechanism. The device incorporating the invention with simple and reasonable structure is suitable for manifold assembly with large or small ports and is a upgrade product of existing manifold assembly interface angle cut-off machine.

The invention discloses a fault range finding method of a power distribution network based on an equivalent positive and negative sequence impedance principle. According to the method, a PMU is used to obtain line state information in real time, and a fault line is determined by calculating and comparing the head-end line voltages in the same branch point; normal line information is used to calculate the head-end voltage and current of the fault line; and on the basis that electrical quantity of the two ends of the fault line is known, accurate fault locating is realized on the basis of the equivalent positive and negative sequence impedance principle. The difficulty that too many branch lines are included in fault location in the power distribution network via the limited PMU, and accurate fault locating is realized; fault range finding is realized by measurement in the two ends, it is not required to determine the fault type, the method is avoided from influence of transitional resistors or opposite-end feed-in current, and it is not required to consider the change of fault boundary condition or system operation manner, and compared with the single-end measurement method, the range finding precision is higher, fault range finding can be realized rapidly and accurately, the operational reliability, safety and flexibility of the system are improved greatly, and the applicationprospects are better.

A method for determining equivalent engineering constants in planes of compound materials in the thickness direction includes a first step of determining a three-dimensional stress-strain relation of compound material single layers under a structural overall coordinate system, a second step of determining a two-dimensional stress-strain relation of the compound material single layers in the planes based on the three-dimensional stress-strain relation of the compound material single layers under the structural overall coordinate system according to a plane strain hypothesis in the planes of the compound material single layers in the thickness direction, and a third step of determining the equivalent engineering constants in the planes of the compound material single layers in the thickness direction. The method determines the equivalent engineering constants in the planes of the compound materials in the thickness direction, and the equivalent engineering constants can be directly input into commercial finite element software to endow material properties on each compound material single layer, and the method can be used for building a two-dimensional finite element model of each compound material single layer to solve mechanical response of a compound material structure. The method is favorable for improving analysis precision of the compound material structure and remarkably reducing calculation scales and cost, and has important engineering application value.

The invention relates to a heat exchanger pipe-pipe plate assembling structure and a welding method thereof. In current product pipe-pipe plate assembling and welding, positioning of a heat exchangingpipe is difficult, deformation is likely to happen in the overturning and transferring process, the assembling difficulty is large, warping deformation is generated in the welding process, positioning of a pipe-pipe plate welding machine head is difficult, all-position welding is used, and the welding operation is difficult. The heat exchanger pipe-pipe plate assembling structure comprises a heatexchanging pipe (2), and the heat exchanging pipe is of a groove-shaped structure composed of one set of single pipes; the two ends of the heat exchanging pipe are each provided with a pipe plate (1); the end face stretch-out length of the heat exchanging pipe and the pipe plates is 1.5 mm, and pipe plate bevels are 2x45 degrees; a center shaft of a welding gun (4) and the vertical center line ofthe heat exchanging pipe form a 15-degree included angle; the pipe plates are made from a 022Cr19Ni10 material, and the thickness of the pipe plates is 5-32.1 mm; the single pipes of the heat exchanging pipe are made from a 022Cr19Ni10 material, and the diameter is Phi 38x2 mm; and the heat exchanging pipe is fixed to the horizontal position of a fixture through a set of groove-shaped plates on the fixture (3). The heat exchanger pipe-pipe plate assembling structure is used for assembling the heat exchanger pipe with the pipe plates.