757results about How to "Meet production needs" patented technology

The invention discloses a hot galvanizing steel plate for a car. The hot galvanizing steel plate comprises the following chemical components by weight: C is more than or equal to 0.001% and is less than or equal to 0.003%, Mn is more than or equal to 0.05% and is less than or equal to 0. 15%, Si is less than or equal to 0.03%, P is less than or equal to 0.02%, S is more than or equal to 0.008% and is less than or equal to 0.015%, Alt is more than or equal to 0.02% and is less than or equal to 0.07%, Ti is more than or equal to 0.05% and is less than or equal to 0.09%, B is more than or equal to 0.0002% and is less than or equal to 0.010%, N is less than or equal to 0.004% and the balance of Fe and trace element. The invention also discloses a method for producing the hot galvanizing steel plate for the car; according to the hot galvanizing steel plate for the car and the production method of the hot galvanizing steel plate, the sulfur content in steel making can be adjusted based on the mixture ratio of components, and the technology of hot rolling, continuous annealing, hot galvanizing steel and finishing are optimized, thus producing the continuous annealing hot galvanizing steel, so that the steel plate has the characteristics of high processing hardening index of n90 value, and the requirements on demand of expanding-formed car plate are satisfied.

The invention relates to a flexible circuit conductive composition for a flexible printed circuit board (FPC), a preparation method and a using method thereof. The preparation method comprises the following steps of: adding photocurable resin and an optical activity monomer into a conductive nanometer material dispersion liquid and then preparing the composition by adopting a double-curing mode such as firstly photocuring and then thermal treatment. The photocuring leads the surface coating to be rapidly cured so as to achieve good mechanical property; and the thermal curing leads the coatingto be cured completely so as to reach the deep curing requirements. The thermal treatment leads nanometer metals to be sintered together so as to achieve good conductive performance. The prepared conductive system obtains a predesigned pattern in the specific area of a base material in a screen printing or nanometer impressing mode; the conductive pathway is obtained after the double curing and has the advantages of short curing time, low curing temperature, good electrical conductivity, high resolution ratio; and the prepared conductive film has the advantages of good adhesiveness, high hardness and good flexibility.

The invention relates to the field of highly dispersive all-bright acidic copper plating of printed circuit boards, in particular to a highly dispersive acidic copper plating additive and its preparation method and application. A highly dispersed acidic copper plating additive: at least one divalent sulfide main brightener, at least one polyethylene glycol or polypropylene glycol or both block copolymer polymer inhibitors, at least one alkyl quaternary ammonium salt Type cationic surfactant, 5‑50ml/L sulfuric acid, 0.1‑4ml/L formaldehyde. Its preparation method is to slowly add a specified amount of concentrated sulfuric acid into water, stir evenly and cool to room temperature, then sequentially add the inhibitor, surfactant, main brightener and formaldehyde into the sulfuric acid aqueous solution, stir until completely dissolved Concentrate to the final volume to obtain the highly dispersed acidic copper plating additive of the present invention. The high-dispersion acidic copper plating additive of the invention is especially suitable for electroplating through-holes with high thickness-to-diameter ratio of printed circuit boards, and can obviously improve the dispersion ability of the plating solution.

The invention relates to raw materials for producing foam glass and a method for applying the same to produce the foam glass. The compositions by weight portion of the raw materials are: 380 to 580 portions of quartz sand, 105 to 250 portions of potassium feldspar, 130 to 270 portions of albite, 115 to 200 portions of dolomite, 5 to 25 portions of calcite, 150 to 250 portions of calcined soda, 0.5 to 30 portions of glauber salt, 1.0 to 12 portions of magnesium carbonate and 1.0 to 8.5 percent of potassium carbonate. The method comprises the following steps that: firstly, various raw material compositions are mixed into uniform glass mixture; secondly, the glass mixture is melted and cooled into cullet; thirdly, ball milling, foaming and annealing of the cullet are performed, and then foam glass is obtained. The method can automatically control and adjust the chemical compositions of the glass and add various functional compositions as required to meet the demand of producing the foam glass with different performances by adoption of common mineral and chemical raw materials of the natural world.

The invention discloses a mold powder for continuous casting of high aluminium-titanium-rare earth steel, which comprises the following compositions in percentage by weight: 20 to 40 percent of CaO, 30 to 50 percent of SiO2, 3 to 8 percent of F, 5 to 9 percent of Na2O, 0 to 5 percent of Li, 0.5 to 5 percent of C, less than 8 percent of Al2O3, less than 5 percent of MgO and the balance of inevitable impurities; and the alkalinity range of CaO/SiO2 is R+/-0.05, wherein R is alkalinity and is equal to between 0.917 and 0.333M; and M is the sum of mass percent of Al, Ti and rare earth elements in molten steel. The mold powder improves the performance, can meet the requirement of the continuous casting of steel types such as Al, Ti, rare earth and the like, fully guarantees the thickness, lubrication and consumption of a melt cinder layer, avoids causing surface defects of casting blanks such as cinder inclusion, cracks and the like or causing steel leakage due to too big withdrawal resistance, and effectively guarantees smooth continuous casting process and the surface quality of the casting blanks so as to produce high-quality casting blanks.

The invention discloses a preparation method of a heat-resisting alloy sliding-block shell by investment casting. The preparation method is characterized in that: the method comprises a first step of preparing coating, wherein surface coating comprises silica sol and a refractory powder material is fused alumina; and transition layer coating and back layer coating comprise the silica sol and a refractory powder material is one selected from the fused quartz, kaolin clinker and bauxite clinker; a second step of coating a wax mould with the surface coating, scattering the sand material of the fused alumina, drying and repeating for 2 times; coating the surface layer with the transistion layer coating, scattering one of the fused quartz, the kaolin clinker and the bauxite clinker, drying, and repeating for 5 times; and finally coating with a back layer coating, scattering one of the fused alumina, the kaolin clinker and the bauxite clinker and drying; and a third step of dewaxing and calcinating; and the shell produced by the method has advantages of high room-temperature strength and high-temperature strength, good internal surface quality, high percent of pass, low production cost and good economic benefit.

The invention discloses a system and a method for utilizing low-temperature flue gas afterheat of an electrolytic bath. The system mainly comprises a heating system, a cooling system, a dust collecting device and a fume extractor, and utilizes energy cascade utilization, low-temperature afterheat recovery and a heat exchanger to absorb heat by classification from low-grade flue gas for cooling, heating and heat using of technological process. The method includes the following steps: when the low-temperature flue gas afterheat of the electrolytic bath passes through the heat exchanger, the heat exchanger is used for absorbing the heat in the flue gas, and converting the absorbed heat into liquid or steam to utilize, the dust collecting device is used for collecting dust in the flue gas after heat release and temperature reduction, and then the flue gas after dust collection is exhausted by the fume extractor. The invention solves the problem of utilization of the low-temperature flue gas afterheat of the electrolytic bath, realizes continuous supply of cooling and heating, can improve the dust collecting system efficiency of the electrolytic bath, save energy, lower consumption, reduce pollutants discharge, expand utilization ways of afterheat and reduce the production cost of enterprises, and has remarkable economic, environmental and social benefits.

The invention discloses a measuring method for inversing reservoir feeding flow procedure, comprising the steps: step I, performing observation and sampling to obtain the information of reservoir water level and discharging flow via a water level in front of the reservoir dam; step II, building a data assimilative state model and an observation model according to the information obtained in the step I; and step III, ascertaining the reservoir feeding flow procedures by a data assimilation algorithm according to the state model and the observation model obtained in the step II. The method disclosed by the invention can be used for ascertaining the reservoir feeding flow; compared with the prior art, the method disclosed by the invention can ensure smooth reservoir feeding flow, and avoid exceptional data like negative values and the like of the flow; the method also can supply the reservoir feeding flow procedure of minute time step, so as to reflect the flood peak information more truthfully; in addition, the method disclosed by the invention has low precision requirement to the water level gauge on the reservoir dam, so that the building and management costs of water level measurement stations are saved.

The invention discloses an isotope dilution mass spectrometry method for determining the content of uranium in a uranium niobium alloy. A formula for calculating the content of uranium in the uranium niobium alloy is derived according to an isotope dilution mass spectrometry principle. A decomposition process of the uranium niobium alloy is researched, the sampling quantity and the amount of a diluent are optimized, and the influences of mass spectrum line interference and alloy element interference on a measurement result are discussed. The method comprises the following steps: adding nitric acid and hydrofluoric acid to quantitatively dissolve the uranium niobium alloy, adding a quantitative amount of a uranium isotope diluent to directly prepare a mixed sample solution, determining the mixed solution and the uranium isotope proportion in the uranium niobium alloy sample through mass spectrometry, and calculating the content of uranium in the uranium niobium alloy. Quantitative separation of uranium is not needed by the determined method. An XRF technique, an ICP-AES technique and an element analysis technique are used to measure the content of niobium and the total content of impurity elements in the uranium niobium alloy, and back stepping is carried out to obtain the corresponding uranium content order in order to verify the accuracy of the analytical result, and the obtained result is consistent with a result obtained through the experiment method. When the method disclosed in the invention is used to analyze the uranium niobium alloy sample, the relative standard uncertainty of determination results is 0.2% (6 determinations), and the expanded uncertainty is 0.5% (95% confidence level).

The invention belongs to the field of an external wall insulation material of a building, and particularly relates to a high-performance foam concrete insulation board and a preparation method thereof. The high-performance foam concrete insulation board is prepared from the following raw materials in parts by weight: 45-250 parts of cement, 10-125 parts of admixture, 6-30 parts of foaming agent, 40-130 parts of water, 0.8-5.5 parts of additive, and 2-11 parts of modifier in a mixed casting manner. The insulation board provided by the invention is light in weight, high in strength and excellent in waterproofness.

The invention discloses a porefilling electroplating leveling agent, a preparation method thereof and an electroplating liquid using the porefilling electroplating leveling agent, and relates to the technical field of electroplating. The porefilling electroplating leveling agent comprises ingredients: 3-(dimethylamino)-1- propanethiol, piperazine and binary epoxy compound, wherein the molar mass ratio of the 3-(dimethylamino)-1- propanethiol, the piperazine and the binary epoxy compound is 1-3: 2-4: 4-6; and the binary epoxy compound has the following structural formula (see in the specification), wherein R is a linking group of a non-epoxy group. According to the porefilling electroplating leveling agent, a functional group containing sulfur atoms is added into leveling agent molecules, so that the interaction between the leveling agent molecules and an accelerator and an inhibitor is improved, the leveling agent, the accelerator and the inhibitor can better interwork, and the prepared electroplating liquid has an excellent porefilling performance.

The invention relates to a production process of steel stranded wires, and in particular relates to a production process of an extra-high strength steel stranded wire for a long-span transmission wire. A raw material with a diameter of theta9.0mm and a steel grade of 82B is utilized to produce a 37-strand hot galvanizing steel stranded wire with a total diameter of 20.16mm and a single-wire diameter of 2.88mm for the long-span transmission wire. The production process comprises the following steps of: (1) coiling the raw material, carrying out surface treatment, and drawing a high carbon steel wire rod of theta9.0mm to theta8.5mm; (2) carrying out heat treatment, acid-washing, phosphating, and surface treatment on a wire rod; (3) drawing a finished product: carrying out 13-pass drawing processing by using a high-power and multi-pass LT-11/650 type water tank wire-drawing machine, wherein a compression ratio is 12-18.6%; (4) inspecting, putting online, hot galvanizing, and winding by using a spool; and (5) inspecting, and twisting. The production process of the steel stranded wire is simple in realization mode, and all indexes of the produced extra-high strength hot galvanizing steel stranded wire meet the technical requirements of long-span projects.

Disclosed is a burning and waste heat power generation system for hazardous wastes. The burning and waste heat power generation system comprises a continuous feeding device, a flue gas purifying device, a power generation device, an online monitoring device, a bubbling bed incinerator and a waste heat boiler. The continuous feeding device is provided with a discharge port, the bubbling bed incinerator is provided with a feed port and an A flue gas outlet. The feed port of the bubbling bed incinerator is connected with the discharge port of the continuous feeding device; the waste heat boiler is provided with an A flue gas inlet and a B flue gas outlet, and the A flue gas outlet is connected with the A flue gas inlet of the waste heat boiler through a pipeline; the flue gas purifying device is provided with a B flue gas inlet, and the B flue gas outlet of the waste heat boiler is connected with the B flue gas inlet of the gas purifying device through a pipeline; and the power generation device is connected with the waste heat boiler through a main steam pipeline. According to the burning and waste heat power generation system for hazardous wastes, high-temperature flue gas produced by burning of deinking residues enters the waste heat boiler to absorb heat and produce superheated steam which is used for generating power, and accordingly, electric energy is added, and purposes of using flue gas waste heat for generating power and reducing environmental pollution are achieved.

The invention discloses a production line and a preparation method of bristles for brushes. The production line of bristles for brushes comprises an upper screw extruder, a lower screw extruder, a metering pump, die heads of the metering pump, drafting devices, a hot-forming box and a winding device, a discharge outlet of the upper screw extruder is arranged above a feed inlet of the lower screw extruder, a discharge outlet of the lower screw extruder is communicated with a filter device, a discharge outlet of the filter device is communicated with a feed inlet of the metering pump, a cold water trough is arranged blow the die heads of the metering pump, the first drafting device, a hot water trough, the second drafting device, an oil wheel, the third drafting device, the hot-forming box and the winding device are sequentially arranged behind the cold water trough. The production line of the bristles for brushes has the advantages of energy saving and low production cost.

The invention discloses a concrete crack surface cut groove sealing and blocking structure and a concrete crack surface cut groove sealing and blocking method. Through adopting the small-width-to-depth-ratio cut groove sealing and blocking technology, concrete cracks can be effectively repaired or reinforced. Firstly, a proper handheld angle grinding machine is adopted, a matched and proper angle grinding machine is selected for grinding sheets, the concrete is cut into a plurality of end-to-end fold lines along the cracks or construction seams, the cutting is completed, pressure water is adopted for clean flushing, accumulated water in the grooves is naturally dried in the air or is dried through blowing, then, cementing materials are filled for seam sealing, and when the cutting seams need to be widened, a double-angle grinding machine can be adopted for grinding sheet parallel cutting. The structure and the method provided by the invention have the advantages that the construction is fast and convenient, economy and applicability are realized, the environment is protected, and good economic benefits and social benefits are realized.

The invention provides a video style transformation and automatic generation method based on depth learning. The method comprises the steps of utilizing a depth learning framework to classify a shooting subject and to train a style model; acquiring video to be processed and user video requirements; identifying the category of the video to be processed, and recommending the optimal number of imagesand video materials according to the user style and duration requirements; according to the video material and the video material order selected by the user, automatically rendering the video fragments and generating the style video according to the corresponding style processing parameters by a render. After that, the user adjusts the modification information as the feedback information to optimize the style model, analyzes the user preferences, optimizes the depth learning framework, and forms the feedback learning model. The invention also provides a video style transformation and automatic generation system based on depth learning, which automatically recommends style materials according to the video style requirements of a user, automatically completes the style rendering of a videosegment and the rendering of an overall video, and generates a video of a specific style.

The continuous casting and rolling process for producing IF sheet billet includes the steps of converter smelting, LF furnace refining and continuous casting and rolling. The molten steel consists of C 0-0.0050 wt%, Si 0-0.03 wt%, Mn 0-0.60 wt%, P 0-0.015 wt%, S 0-0.010 wt%, Ti 6-10 times C+N, and Fe and inevitable impurity for the rest. Compared with available technology, the present invention has the advantages of expanded application range, etc. The IF sheet billet may be used in automobile, appliance, etc.

The invention discloses a shuttle shelf type flue-cured tobacco lamina formula warehouse logistics automation system. A warehousing stacker roadway for running of a warehousing stacker is arranged between a warehousing system and a shuttle shelf, an ex-warehouse stacker roadway is for running of an ex-warehouse stacker is arranged between an ex-warehouse feeding system and the shuttle shelf, the warehousing system comprises a warehousing conveying line in butt joint with the warehousing stacker, the ex-warehouse feeding system comprises a flue-cured tobacco lamina packet feeding sequence arrangement buffer in butt joint with the ex-warehouse stacker, the flue-cured tobacco lamina packet feeding sequence arrangement buffer is connected with an unpacking machine through a feeding conveying line, a flue-cured tobacco lamina packet clamping and holding machine is arranged at the position, between the flue-cured tobacco lamina packet feeding sequence arrangement buffer and the unpacking machine, on the feeding conveying line, the shuttle shelf is provided with a plurality of passages with multiple goods allocations, and the warehousing stacker and the ex-warehouse stacker are in butt joint with a goods inlet end and a goods outlet end of each passage respectively. The system achieves dense storage and automatic warehousing and ex-warehouse of flue-cured tobacco lamina packets, and is less in investment and capable of flexibly and conveniently improving warehousing and ex-warehouse capacity as required.

The invention discloses a flexible welding tool for a white automobile body. The tool includes a switching slide table, a conveying part, a workpiece conveying unit, and fixture storage mechanisms, the switching slide table includes a sliding platform and a conveying rail and the sliding platform is movably installed on the conveying rail, and the conveying part includes a conveying sliding tableand a conveying robot, the conveying robot is mounted on the conveying sliding table, a gripper is mounted on the conveying robot, a sliding trolley is mounted on a sliding rail of the workpiece conveying unit, and the flexible welding tool for the white automobile body also includes a welding robot. The too is simple in structure, and has the advantages of full automation, high flexibility and quick welding, fast introduction of new vehicle type, stable operation and the like, the tool can effectively improve the welding production efficiency of the white body, is simultaneously adapted to the collinear production of different vehicle types, effectively improves the welding installation efficiency, shortens the market cycle of new vehicle types, reduces the production line layout cost andmeets the automobile production demand.

The invention belongs to the field of food processing machines, particularly relates to an automatic egg breaking machine and an automatic egg breaking method, solving the problems that the traditional devices drilling for breaking eggs by adopting a manual drawing mode has large workload; a blowing needle head and an egg liquid backflow pipe are usually poked and cannot enter egg shells; the poking hole of the needle head is small, thus egg liquid flows out slowly; the egg liquid contacts with a plurality of devices and is not sanitary, and the like. The machine comprises a stand, an egg feeding device which is provided with a plurality of egg dies and arranged on the stand, an egg drilling device which is arranged below the egg dies and used for drilling the bottoms of the egg shells in the egg dies, an egg clashing device which is arranged above the egg dies and used for clashing the egg liquid of the drilled eggs and an egg liquid barrel correspondingly arranged below the egg clashing device. The method comprises the following steps of: (a) putting eggs into the egg dies; (b) pressing the egg dies to fix the eggs into the egg dies; (c) drilling bottom holes by using an egg driller; (d) pricking egg clashing needles into the tops of the eggs to charge air to clash out egg liquid; and (e) putting egg shells into a waste box. The invention is suitable for food factories for taking egg liquid, and the like.

The invention discloses a combined type flat plate compounding machine. The combined type flat plate compounding machine comprises a rack and a supporting frame, wherein a plurality of upper heating plates are arranged at the front end of the rack at the inner side of the lower end of an upper conveyor belt, a plurality of upper cooling plates are arranged at the rear end of the rack at the inner side of the lower end of the upper conveyor belt; a plurality of lower heating plates which are matched with the upper heating plates are arranged at the front end of the supporting frame at the inner side of the upper end of a lower conveyor belt; a plurality of lower cooling plates which are matched with the upper cooling plates are arranged at the rear end of the supporting frame at the inner side of the upper end of the lower conveyor belt; a gap regulating mechanism comprises a speed reducer arranged at the lower end of the rack and a plurality of gearboxes arranged at the two sides of the speed reducer, wherein the lower end of a regulating screw is connected to the gearboxes, the upper end of the regulating screw is connected to the supporting frame, rotary shafts of the two gearboxes close to the two sides of the speed reducer are respectively connected to motor shafts at the two ends of the speed reducer by virtue of a first universal shaft, and the rotary shafts of the two gearboxes adjacent to the two sides of the speed reducer are connected with each other by virtue of a second universal shaft.

The invention discloses a processing device for double-centre hole punching of a common lathe. The processing device comprises a proportional reversing feeding device, two groups of shaft hole feeding devices arranged in main shaft holes, a drill chuck connecting rod, a drill chuck and a central drill, wherein the central drill is arranged at a front end of the drill chuck connecting rod through the drill chuck; two groups of shaft hole feeding devices are respectively arranged at front and back parts of the drill chuck connecting rod; each group of the shaft hole feeding devices structurally comprises a liner sleeve, needle rolling bearings, an shaft sleeve and a linear ball bearing which are arranged in the main shaft holes, wherein the linear ball bearing is tightly sleeved on the drill chuck connecting rod; the shaft sleeve is tightly sleeved on the linear ball bearing; the needle rolling bearings are respectively arranged at two ends of the shaft sleeve; and the liner sleeve tightly arranged in the main shaft hole is sleeved on the needle rolling bearing; and one end of the proportional reversing feeding device is connected with a rear end of the drill chuck connecting rod, and the other end of the proportional reversing feeding device is connected with a tail seat of a lathe main body for arranging the drill chuck. By adopting the processing device to punch centre holes at two ends of parts, such as shafts, clamping time can be reduced, efficiency can be improved, precision can be improved, the precision of coaxiality of processing workpieces can be ensured, and meanwhile, workpieces with central holes with different depth and different types at a left end and a right end can be processed through a left central drill and a right central drill with different-ratio feeding rate and feeding volume.

The invention relates to a method for deeply cleaning and removing cobalt by wet hydrometallurgy. The method is characterized in that neutrally-leached supernate in wet hydrometallurgy is sequentially treated by a first-stage cleaning process, a second-stage cleaning process and a third-stage cleaning process to obtain new liquid containing not greater than 0.5mg/l cobalt, wherein the neutrally-leached supernate in wet hydrometallurgy is deeply purified through a cleaning agent and an activating agent in the second-stage cleaning process; the cleaning agent is alloy powder prepared through 50-65% by weight of zinc, 30-49% by weight of manganese, 0.05-2% by weight of aluminum, 0.05-2% by weight of magnesium, and 0.9-3% by weight of lead; the activating agent is one or two of antimonic salt and antimony white. The method has the advantages that the cobalt removing efficiency is outstanding, and particularly the zinc consumption is low and the purpose of deep cleaning can be achieved while the method is used for processing a high-cobalt zinc sulfate solution; meanwhile, impurities which damage the wet hydrometallurgy are not introduced; the operation is simple; the industrial implementation is easily carried out; and the economic benefit is obvious.

A method for producing high-strength thin strip steel in a short process comprises the first step of carrying out smelting and casting, wherein a twin roll strip casting technology is adopted, the second step of carrying out online hot rolling, the third step of carrying out cooling, wherein atomization cooling is adopted, the atomized cooled water mist is directly sprayed on the surface of the strip steel, the fourth step of carrying out scale breaking and blowing for sweeping, the fifth step of carrying out anti-oxidation intensive cooling and scale removing, wherein gas along with dry ice is directly sprayed on the surface of the strip steel for scale removing and intensive cooling, the sixth step of carrying out jet flow for scale removing, wherein solid-liquid mixed media are sprayed to the surface of the strip steel at a high speed, and the seventh step of carrying out straightening and reeling up. According to the method, the twin roll strip casting technology is utilized for producing the thin high-strength strip steel containing copper, hot rolling is performed on the casting belt, and then staged intensive cooling, oxide skin controlling and acid-free scale removing are combined and performed on the casting belt, so that the length of a production line is further shortened, and productivity is enhanced; meanwhile, the strength of the strip steel is increased through intensive cooling, the malleability of the strip steel is improved through grain refinement, and pollution to the environment is reduced by the adoption of the acid-free scale removing method.

The invention relates to a lithium ion battery short-circuit detection device and method. The lithium ion battery short-circuit detection device comprises a detection circuit, a driving mechanism, a sliding mechanism, electrode lug detection probes used for detecting a positive electrode lug and a negative electrode lug of a battery, and membrane detection probes used for detecting an aluminum plastic membrane of the battery, wherein the sliding mechanism is connected with the driving mechanism, and slides through driving of the driving mechanism, the electrode lug detection probes and the membrane detection probes are connected to the sliding mechanism, and electrically connected to the detection circuit, and the membrane detection probes and the electrode lug detection probes carry out synchronous movement through driving of the sliding mechanism. Therefore, whether the position between the positive electrode lug and the negative electrode lug is short-circuited or not can be detected through the electrode lug detection probes, and meanwhile the membrane detection probes are used for detecting whether short-circuits happen in the aluminum plastic membrane and the battery. Two types of detection are synchronously carried out, detection results are synchronous and more accurate and fast to obtain, time and labor are saved, production efficiency is improved, battery quality is guaranteed, and the production requirement of lithium ion batteries at present is well met.

The invention provides a three-coordinate supporting, positioning and adjusting mechanism for supporting, positioning and adjusting a large part when a large airplane part is abutted. A horizontal adjusting mechanism is formed by a three-layered horizontal base and a guide rail screw rod pair, which are mutually and parallel overlapped; a vertical adjusting mechanism is arranged on the top layer of the horizontal adjusting mechanism; and the vertical adjusting mechanism is connected with a supporting connecting seat. The three-coordinate supporting, positioning and adjusting mechanism has the advantages that three coordinates of an airplane assembling part with a large tonnage can be manually realized, and the locking is realized after the three coordinates are adjusted; and the structure is simple, and production requirements are met.

The invention discloses artificial colour sand and belongs to the field of building coating. The artificial colour sand comprises stone sand and base slurry, wherein stone sand comprises at least one of silica sand, basalt and calcite, the grain size of the stone sand is 30-120 meshes, the base slurry is prepared from the following raw materials in parts by weight: 40-50 parts of fluorocarbon resin, 25-35 parts of base solvent, 0.5-0.9 part of dispersing agent, 0.1-0.3 part of wetting agent, 10-20 parts of colour powder, 18.8-20 parts of cosolvent, 0.1-0.5 part of accelerant, 5-10 parts of coupling agent and 0.5-0.8 part of thickening agent, and the weight ratio of stone sand to base slurry in the artificial colour sand is 19:1. The invention also provides a preparation method of the artificial colour sand. The artificial colour sand is uniform in colour, good in weather resistance, economical and environment-friendly, the problem that natural colour sand is scare is solved, and requirements of building decoration are met.

The invention discloses a method for optimally selecting a shale gas horizontal well clustering perforation well section by utilizing logging data. The method comprises the following steps of: a, building a horizontal well geological model by utilizing logging information and seismic data, and recognizing a shale reservoir; b, calculating quality key parameters of a shale gas reservoir by utilizing the recognition result to work out the quality of the shale gas reservoir; c, calculating well completion quality key parameters of the shale gas reservoir by utilizing the recognition result to work out the well completion quality of the shale gas reservoir; d, working out the comprehensive quality of the reservoir according to the shale gas reservoir quality and the well completion quality; and e, building a grading evaluation standard by combining the comprehensive quality of a shale gas well reservoir and the geological model so as to optimally select the clustering perforation well section. The method has the advantages that the quality of a shale gas stratum reservoir, the well completion quality and the geological model are combined, and the optimal selection of the clustering perforation well section is realized.

The invention relates to a fresh tea leaf sorting machine comprising a frame. A driving device, a feeding device and a cone-frustum-shaped drum, a rotating shaft is connected with the cone-frustum-shaped drum fixedly, one end of the rotating shaft is connected with the driving device while the other end of the same is connected with the frame, the feeding device is connected with an inner cavity of the cone-frustum-shaped drum, at least one section is arranged on the cone-frustum-shaped drum, screens different in mesh are sleeved on the sections respectively, and the cone-frustum-shaped drum is 1.5m-6m in length. The fresh tea leaf sorting machine is simple in structure, capable of efficiently realizing classified sorting of tea leaves, suitable for sorting classes of most of tea leaf varieties, and capable of meeting the requirement on tea leaf production.

The invention relates to a weather forecast manufacturing method based on real-time achievement exhibition. The method comprises the following steps of constructing a forecast flow and improving flow management; accessing and reporting forecast products; manufacturing and editing the forecast products; and calling a forecast product releasing module to form multiple released products. The invention also relates to a weather forecast manufacturing system based on real-time achievement exhibition. The system comprises a forecast flow management module, a forecast product accessing and reporting module, a forecast product manufacturing module, a forecast product releasing template management module and a forecast product releasing module. The forecast product manufacturing module is connected with the forecast flow management module, the forecast product accessing and reporting module and the forecast product releasing module. The forecast product releasing module is connected with the forecast product releasing template management module. The invention integrates functions of forecast flow management, forecast product accessing and reporting, forecast product manufacturing and product template customization and releasing into one piece, and comprehensively improves the weather forecast service capability.