191results about How to "Improve the rate of success" patented technology

The invention relates to a method and a system for accelerating file updating and downloading. The method comprises the following steps: adopting a multithreading technique and a fault-tolerant technique in client computers of one or more clients; adopting a cache access technique in a server of a service end; and at each one of the client computers, partitioning the files to be transmitted, thensynchronously staring multiple threads respectively, uploading or downloading one or more data blocks, and adopting the fault-tolerant technique to perform retry according to the time and the frequency. The server establishes a data cache according to the thread number of each one of the client computers and prepares the data blocks larger than the thread number. During the uploading and the downloading, the client computers inform a specific thread of the server to further write the data in the data cache into a permanent storage of the server or read the data out from the permanent storage of the server.

The invention discloses a drowning behavior online identification method based on machine vision. The drowning behavior online identification method comprises: acquiring an image; preprocessing; performing image transmission: transmitting the preprocessed image to a cloud server through a wireless network; performing offline training of OpenPose: the cloud server performs offline training of a model suitable for extracting key points of a human body in water based on lightweight acceleration of OpenPose, and the offline training classifier is used for training a neural network-based binary classifier after human body key points are extracted, and is used for judging whether people are drowned or not; and performing server online monitoring: the cloud server operates the improved lightweight acceleration OpenPose to extract human body key points in the image, performs drowning judgment on the key points, calculates the danger degree and outputs alarm information. The drowning behavior online identification method can be used on a small robot on water, a fixed camera on water or a fixed camera under water, is used for identifying the real-time posture of a swimmer, discriminating andearly warning drowning suspicious postures, and assists a lifeguard in drowning identification at a swimming pool, a seaside and the like.

The invention is a manufacturing method for a kind of micron tiny crystal titanium nickel-niobium shape memorizing alloy block materials, 45%-50% titanium, 40%-45% nickel, 5%-10% niobium are melted and produced into titanium nickel-niobium alloy cast ingot, and cuts the titanium nickel-niobium alloy block material into blank, and carries on surface finish process, and paints with glass lubricate, uses isometric curved squeezing mould with 90-120 degrees channel angle, the mould cavity surface is painted with black lead lubricate, the blank and mould are heated and carries on temperature reservation, and takes them out to be squeezed at the same time, finally gets the product. The invention solves the problem that the bad plastic property of titanium nickel-niobium shape memorizing alloy in room temperature, enhances the alloy mechanical performance, and lowers the cost.

The invention provides an equipment monitoring and diagnosing method, comprising the following steps of obtaining a vibration signal of the equipment under a fixed rotation speed; calculating the characteristic value complying with Gaussian distribution within the corresponding frequency width range according to the vibration signal so as to establish at least one benchmark line; subsequently judging the normality or abnormality of the equipment according to the benchmark line, the corresponding frequency width range and the characteristic value; therefore, if the vibration signal exceeds the benchmark line of safe range, the abnormality and failure type can be diagnosed and recognized; and furthermore, the aim of owning the automatic monitoring and diagnosing and learning capabilities can be realized. Furthermore, the equipment monitoring and diagnosing method does not need to consider all failure types that may occur in the whole service life of the equipment so as to greatly reduce the development scale and difficulty of the failure monitoring and diagnosing system, thus improving the visualization of the equipment condition and increasing the completion rate of the equipment.

The invention discloses a flexible and active color semiconductor light-emitting display module and a flexible display screen. The flexible and active color semiconductor light-emitting display modulecomprises a flexible and active matrix display control circuit substrate, a short-wavelength III-V semiconductor light-emitting device array intermediate layer and thin film matrix array top layers,wherein the thin film matrix array top layers are corresponding to short-wavelength III-V semiconductor light-emitting device arrays and are used for respectively emitting blue light, green light andred light, the short-wavelength III-V semiconductor light-emitting device array intermediate layer is pasted onto the flexible and active matrix display control circuit substrate, and the thin film matrix array top layers are etched onto a part of the short-wavelength III-V semiconductor light-emitting device array intermediate layer. By the flexible and active color semiconductor light-emitting display module, the flexible and active color semiconductor light-emitting display module can be produced and manufactured, a flexible display screen is produced, and the flexible and active color semiconductor light-emitting display module has the advantages of simple process, structural stability, relatively high finished rate and the like.

The invention provides a production method of a stainless-steel, carbon steel and stainless steel three-layer combined plate coil, and aims at solving the problem of non-uniform stress distribution and non-uniform deformation in hot rolling processing. The method comprises the steps of assembling a plate blank; heating the plate blank; removing phosphorous with high pressure water; roughly rolling; fine rolling; cooling through streamline flow; coiling, wherein the heating is performed at the temperature of 1200 to 1260 DEG C; the rough rolling is started at the temperature of 1100 to 1200 DEG C, and the rolling is performed at three to seven times; the fine rolling is started at the temperature being not less than 950 DEG C, and the rolling is performed at five to nine times. With the adoption of the method, the plate coil being 3 to 16mm in thickness can be produced; the plate has a good form, and is high in yield.

The process of producing seamless steel pipe includes the following steps: heating the pipe blank to 1000-1200 deg.c in a rotating hearth furnace, bidirectional hot centering in a bidirectional hot centering set, piercing in a conic roll piercer with front rotating feeder and back rotating mandrel to obtain hollow billet, rolling in five sets of three-roller plug mill, extracting in a three-frame extracting mill, hot sawing to crop ends, passing through fast chain beam and walking beam, straightening in a multi-roll straightening machine, inspecting and packing. The present invention can produce seamless steel pipe product in different sizes, and has high production capacity, high product quality and other advantages.

The invention discloses a casting mold for a cylindrical housing part comprising an outer mold (1), an inner mold (2), runners (4), a molding cavity (7) and risers (8). The outer mould (1) is composed of two half-mold bodies, the cylindrical inner mold (2) is located at the center of the outer mold (1); two runners (4) are arranges at both sides of the cavity (7), each runner (4) is connected to a buffer channel (5), each buffer channel (5) is connected with the molding cavity (7) through connecting channels (6), and both sides of the top of the molding cavity (7) are provided with a riser (4) each. The invention also discloses a casting method by using the mold. In the invention, molten aluminum is fully filled in the molding cavity, and the molten aluminum pressures of various parts of the molding cavity is balanced, so no crack is produced after the molten aluminum is cooled, the yield is high, the casting process is continuous and fast, and the efficiency is improved.

The invention discloses a nickel-iron spectrum standard sample and a preparation method thereof. The nickel-iron spectrum standard sample is characterized by comprising the following chemical elements by weight: 14.9-50.0% of Ni, 0.03-2.50% of C, 0.2-4.5% of Si, 0.004-0.040% of P, 0.002-0.300% of S, 0.4-2.0% of Co, 0.01-0.25% of Cu, 0.1-2.0% of Cr and 40-80% of Fe. The method utilizes processes including intermediate-frequency furnace smelting, rain drench type pouring, water cooling copper mould casting, tundish bottom pouring and the like, so that uniform component tissue of the spectrum standard sample is ensured.

The invention belongs to the technical field of vegetable grafting, especially a grafting method for tomato. The method comprises the steps: selecting stock seedlings with strong appetency and scion for cutting, grafting and management after grafting. The method specifically comprises the following steps: cultivating scion; the stock seedlings and scion sterilization; and the management after grafting. The method is simple, is easy to operate, is high in grafting survival rate, is high in speed of regrowth, and saves labor. The impact on the method from weather is very small, and the performances of water absorption and moisture retention are high. For good seedlings, the cost can be greatly reduced, and the varieties of tomato can be improved. In addition, the resistance is improved, and the yield is improved.

The invention relates to the field of metallurgical pressure machining and coating, and provides a steel coating device and a production method of the steel coating device. Production of hot-rolled acid-pickling-free steel and coating steel of other varieties such as galvanized steel is achieved. The steel coating device comprises a reduction cooling device, a coating device and an after-coating cooling device. The hot-rolled acid-pickling-free steel with glass films can be produced through the coating device arranged on an outlet of a hot rolling finishing mill. The steel coating device has the advantages that technical feasibility is high, investment is low, and the effect is remarkable; the requirements of various industries are met; coating materials are cheap, easy to obtain and high in renewable utilization value; energy conservation and emission reduction of multiple industries can be promoted, and meanwhile sound development of downstream industries is driven; online and simultaneous production of the acid-pickling-free steel and the coating steel can be achieved on one hot rolling production line.

The invention discloses a shell guiding type deflecting drilling tool comprising a guiding shell. The guiding shell is provided with a plurality of annular grooves which are distributed at intervals in the length direction of the guiding shell. The multiple annular grooves divide the guiding shell into a plurality of shell short sections. Each annular groove communicates with a T-shaped groove, and all the T-shaped grooves are distributed in one side of the guiding shell in the length direction of the guiding shell and penetrate through the guiding shell. In every two adjacent shell short sections, one shell short section is provided with the corresponding T-shaped groove, and the other shell short section is provided with a T-shaped connecting plate located in the T-shaped groove. The T-shaped connecting plates can move by a preset distance along the T-shaped grooves. The shell guiding type deflecting drilling tool further comprises a flexible drilling rod arranged in the guiding shell and comprising a first drilling rod connector, a second drilling rod connector, a deflecting drill bit and a plurality of drilling rod short sections which are connected head to tail and located between the first drilling rod connector and the second drilling rod connector. Every two adjacent drilling rod short sections are connected through a universal joint.

The invention discloses a vacuum continuous casting device and method for alloy billets. The device comprises a smelting chamber and a casting chamber, wherein the smelting chamber is internally provided with a smelting system; a liquid steel pouring system and a collecting system are arranged in the casting chamber sequentially; the smelting chamber is connected with a main vacuum system through a pipeline and a valve; the casting chamber is connected with an auxiliary vacuum system through a pipeline and a valve; the smelting chamber and the casting chamber are separated from each other by main and auxiliary vacuum isolating valves; the main vacuum system and the auxiliary vacuum system are respectively provided with a vacuum instrument and an inflating/deflating system which are used for displaying and adjusting vacuum degrees; and the smelting chamber is provided with a smelting material vibrating system. Continuous casting of the alloy billets are performed by a single-point vibrating crystallizer, so that the continuous casting requirements of special alloy are met, the processing procedures of generating alloy ingot risers, cutting of skins and forging to form square billets are avoided, and the cost can be reduced by over 30 percent.

A lamellar water logging exhausted oil well blocking and dredging combined tapping potential production increase method is applied to oilfield development. Production test data are used for determining a low seepage layer or a lower pressure layer which is high in oil saturation and low in recovery percentage to be a potential layer, then well cementation cement paste of metalloid powder is used for plugging an opened oil layer, redundant cement plugs in a shaft are removed in a drilled mode, a new oil outlet channel between the potential layer and the shaft is rebuilt by the potential layer in a mode of depth penetrating hole, and finally dredging and plugging removing are carried out by using acid liquor composed of 1.5-8% of hydrofluoric acid, 5-15% of hydrochloric acid, 2-5% of acetic acid and 1-2% of poly-quaternary amine. Average increased oil production of a single well after production recovery achieves more than 2.7 times, average effective rate is more than 90%, average valid period of the single well is more than 300 days, and average well stimulation cost of oil per ton reduces by more than 80%, so that the method has the advantages of being good in tapping potential effect, high in succeed rate, small in risk, long in period of validity and low in cost.

The invention relates to the technical field of agricultural biology and in particular relates to a biological organic fertilizer with water-retention and drought-resisting functions and a preparationmethod thereof. The biological organic fertilizer contains bacillus subtilis GE3; the preservation number of the bacillus subtilis GE3 is CGMCC (China General Microbiological Culture Collection Center) No. 11966. The strain not only has a relatively strong colonization capability in a drought environment, but also can be used for remarkably improving the survival rate of forest trees in the drought environment and promoting the growth of the forest trees. The water-retention and drought-resisting biological organic fertilizer provided by the invention takes a solid drought-resisting bacteriumagent containing the bacillus subtilis GE3 and fermented water-washed cow dung as main components and a small amount of a water-retention agent is added; all components have a mutual effect to extremely promote the growth of the forest trees in the drought environment, so that the drought stress resisting capability of the forest trees is improved and the survival rate of the forest trees in thedrought environment is improved.

The invention discloses a mobile communication handoff method and system, base station thereof. The method comprises steps: based on the first link only bearing DCH service, increasing the second link for bearing DCH and E-DCH services; softer combining the DCH service of the first and the second links; carrying the DCH softer combining information which selects fields in different diversities in the RADIO LINK ADDITION FAILURE message and adding E-DCH service messages to notify a radio network controller. The invention can improve mobile communication handoff success rate to keep communication services continuously.

The invention discloses a method for controlling rotation of a casting blank deburring machine. The method includes that in the step of removing burrs on the lower edge of the head of a casting blank, a deburring roller on the head of the casting blank rotates in the direction opposite to the moving direction of the casting blank, and in the step of removing burrs on the lower edge of the tail portion of the casting blank, a deburring roller on the tail portion of the casting blank rotates in the direction the same as the moving direction of the casting blank. According to the method, the qualified rate of the casting blank is greatly improved, steel production quality is improved, labor maintenance amount can be reduced, and production expenses are reduced.

The invention relates to a pile stabilizing platform, in particular to a base pile pitching type single-pile pile stabilizing frame. The base pile pitching type single-pile pile stabilizing frame comprises a pile stabilizing truss, and a plurality of pile stabilizing platforms are vertically arranged and mounted on the upper middle portion of the pile stabilizing truss. An anti-sinking plate is fixedly mounted on the lower portion of the pile stabilizing truss, and a pile holding mechanism is arranged on the front portion of a platform body. A plurality of single-pile guide mechanisms are annularly arranged in a pile feeding port in the circumferential direction. Each single-pile guide mechanism comprises a guide roller and a telescopic adjusting device for driving the guide roller to advance. The guide rollers are used for being in lap joint with a single pile to adjust the position of the single pile. The base pile pitching type single-pile pile stabilizing frame has the advantages of being stable and reliable in structure, high in positioning precision, convenient to adjust and control, high in perpendicularity adjusting precision and the like. The invention further discloses apile sinking method adopting the base pile pitching type single-pile pile stabilizing frame. According to the method, the vertical precision of single pile sinking is improved, the pile sinking time is saved, and the pile sinking efficiency is improved.

The invention discloses a tension control method for a leveling and winding unit, and the tension control method has two working modes: rewinding and leveling. According to the tension control method,stable and controllable tension of the unit in the tape threading and operating process is achieved, and the problems that strip steel shakes severely and is liable to scratch and the like are solved; and powerful support is provided for achieving automatic tape threading of the unit and improving the automation degree as well as the product quality and the finished product rate of hot-rolled strip steel.