863results about How to "Good market application value" patented technology

The invention discloses a preparation method of a functional organic fertilizer for soil restoration. The method comprises the following steps: mixing crushed straws with blue-green algae according to the mass ratio of (1-5):10 to obtain a mixture, and then adding a biomass-transformed complex microbial inoculant and a biomass-transformed inductive material to the mixture; evenly mixing and then carrying out conventional stacking fermentation for 5-15 days, so as to obtain a semi-solid organic fertilizer; and mixing and pelletizing the semi-solid organic fertilizer, clay, biomass carbon ash and a heavy metal ion chelating agent according to the ratio of 1000:(50-200):(50-150):(1-5), so as to obtain the functional organic fertilizer for soil restoration. The organic fertilizer disclosed by the invention has a persistent slow-release fertilizer effect, and can adsorb, chelate and immobilize the heavy metal ions in a deactivation manner, soil fleeciness is facilitated, the moisture retention and the breathability are improved, rooting of plants is facilitated, formation of beneficial components of soil microelements and the like is optimized, the heavy metal-polluted soil is effectively restored, and secondary pollution of the soil is not caused.

The invention relates to a garment positioning and detecting method based on a depth convolution nerve network, and belongs to the technical field of image processing and computer vision analyzing. The method comprises the steps that firstly, an area ROI to be detected is reasonably selected in an input image; secondly, feature extraction is performed on the area to be detected by utilizing the depth convolution nerve network; lastly, all feature vectors are judged by adopting an LibSVM classifier. According to the garment positioning and detecting method based on the depth convolution nerve network, a garment in the image to be detected can be detected and accurately positioned, and intelligent garment trying and changing can be achieved.

The invention discloses a mixer for a gas engine and an exhaust gas recirculation (EGR) mixer. The mixer for the gas engine comprises a through mixer body. A turbulent flow body is arranged at an air inlet of the mixer body. A gas core is arranged at an air outlet of the mixer body. An EGR core is arranged between the turbulent flow body and the gas core. An exhaust gas inlet and a gas inlet are formed in the mixer body. The EGR core communicates with the exhaust gas inlet. The gas core communicates with the gas inlet. The mixer for the gas engine is suitable for various kinds of gas engines, the mixing efficiency is high, operation of the engine is more stable, and the utilization efficiency of gas is higher. Requirements for periphery conditions are lower than those of independent gas mixers and EGR mixers, the total cost is lower, safety and reliability are achieved, the sealing performance is good, and the mixer for the gas engine and the EGR mixer have great market application value.

The invention relates to the field of graphene materials, particularly relates to preparation methods for graphene micro-sheets and particularly relates to a method for preparing the graphene micro-sheets by using a counter-jet jet mill. According to the method, the graphene sheets are obtained through enabling melted ferric chloride and potassium chloride to enter an interlayer of graphite, enabling the powder materials to be in collision through high-speed airflow in the counter-jet jet mill by using the characteristic of brittleness of ferric chloride and potassium chloride crystal grains and the characteristics of good fluidity and difficulty in agglomeration of talcum powder, delaminating the graphite and the talcum powder by generated impact force, shearing force and frictional force, carrying out further separation by a grading room, refluxing unqualified powder material to a crushing chamber, and yielding delaminated graphite and talcum powder as well as gas together. The continuous and large-scale production of the graphene micro-sheets, which are uniform in layer number dispersion and good in fluidity and are not prone to agglomeration, is achieved, the yield is high, the cost is low, no pollution is caused, and the layer thickness meets the requirements of use in the fields of rubber reinforcing, plastic reinforcing, coating material anticorrosion, lubrication and sewage treatment, so that the promotion of the large-scale application of graphene is facilitated.

The invention discloses an automatic assembly system of an LED bulb lamp. The system comprises a frame, a loading worktable, a radiator mounting worktable, an aluminum substrate mounting worktable, afirst overturning worktable, a lamp base mounting worktable, a second overturning worktable, a lamp cover mounting worktable, an unloading worktable and a collecting worktable; all the worktables areindependently operated, and are combined in sequence to form an assembly production line; a supply manipulator of a loading component clamps a lamp shell to put in a positioning cylinder of a carrierplate; the carrier plate with the lamp shell is driven through a conveying belt to move to each worktable; assembly of a radiator, assembly of an aluminum substrate, overturning, assembly of a lamp base, assembly of a lamp cover, unloading and detection are finished on the corresponding worktable; all parts are riveted and glued to finish assembly; and the system is simple in structure and convenient to use, realizes full automation, can continuously work, saves the manpower, meets the production demands, improves the production efficiency, and achieves excellent market application value.

The invention discloses a pre-maintenance LED display screen and a maintaining method thereof. The pre-maintenance LED display screen comprises at least two LED display boxes and a splicing device. Each LED display box comprises a frame and at least two LED display modules. A power pack is fixedly arranged on the back of the frame. Connecting portions are arranged on the first side edge and the second side edge of the frame. Fixing portions are arranged on the third side edge and the fourth side edge. The splicing device comprises a rapid lock and a rapid lock fixing base. The rapid lock is installed on the connecting portion. The rapid lock fixing base is installed on the fixing portion. The rapid lock comprises a lock catch and a spanner. The rapid lock fixing base comprises a base, a connecting plate, a first clamping tongue and a second clamping tongue, wherein the first clamping tongue and the second clamping tongue are arranged on the two sides of the connecting plate and symmetric with each other. By adopting the scheme, the pre-maintenance LED display screen is simple in structure and easy to install and maintain, the LED module assembling and disassembling speed is high, the pre-maintenance LED display screen particularly meets the requirement for narrow installation environment or rapid installation, workloads of front-line workers are greatly reduced, and the good market application value is achieved.

The invention discloses a high-entropy flux cored wire for aluminum-steel MIG welding. Powder is prepared from, by atomic percentage, 5%-15% of Fe, 10%-20% of Al, 20%-30% of Co, 18%-35% of Cr, 20%-35%of Ni and 5%-13% of Cu, and the total percentage is 100%. Industrial high-purity copper tape is adopted for an outer skin material. A preparation method comprises the steps that firstly, a mother alloy is melted; secondly, atomized power is prepared by applying a vacuum gas atomization powdering technology; and thirdly, the high-entropy flux cored wire is prepared by the adoption of flux cored wire forming unit equipment. The high-entropy flux cored welding wire is used for aluminum-steel MIG welding, a high-quality aluminum-steel welded joint is obtained, the chemical compositions of weld metal are within a principal element range of a high-entropy alloy, and the high entropy of a weld is achieved. The weld has excellent strength and toughness, brittle intermetallic compound phases are eliminated effectively, and the good synthesized mechanical properties are provided.

The invention discloses a pile top supporting walking type moving piling platform which comprises a pile top ejecting and positioning device fixed to the top of a steel pipe pile. A bearing platform is fixed to the pile top ejecting and positioning device. An operation platform is fixed to the bearing platform. A large bent frame guide frame is fixed to the front part of the operation platform. Two small bent frame guide frames are fixed to the left side and the right side of the bearing platform respectively. Installation platforms are fixed to the positions, corresponding to the steel pipe pile, of the front side and the rear side of the bearing platform. Walking-type ejecting forward moving of the pile top supporting walking type moving piling platform is achieved through a three-directional jack of the pile top ejecting and positioning device. The steel pipe pile can be quickly and accurately positioned through the cooperative work of a lifting adjusting device, the three-dimensional jack, the large bent frame guide frame and the small bent frame guide frames, construction of the steel pipe pile in the whole platform range can be achieved through transverse moving of the guide frames, and assembling and disassembling of the pile top ejecting and positioning device and subsequent pile top construction can be quickly achieved through the installation platforms.

The invention discloses an overlapped-vision-field multi-camera cooperative target positioning and tracking system. Pixel points in a side length range of the upper side of a rectangular frame of a foreground area are sampled, and combined with geometric constraint of multiple cameras to acquire target candidate foot points, meanwhile, peaks of the lower side of the rectangular frame for expressing pedestrians not in a shielded view angle between the targets are projected, and a center of gravity of each projection point is computed, and at last, the candidate points are weighted, and the position of the target is positioned by using the centers of gravity and the weighted candidate foot points. Compared with target tracking by using the single camera, the system using the multiple camerashas the advantages of wide monitoring range and many observation view angles, can acquire a robust tracking effect by using multi-camera environment constraint and multiple foreground information, and well solves the shielding problem appearing in a tracking process; therefore, even the target is in the shielded view angle, the target can still be positioned and tracked highly accurately, and good market application value is provided.

The invention provides a magnet array planar rotation type energy harvester, which mainly depends on interaction during rotation of two circular permanent magnets which are closely adhered to the side wall of an annular permanent magnet. External vibration makes one circular permanent magnet to produce certain acceleration, when the circular permanent magnet with certain acceleration approaches a magnetic field range of the other circular permanent magnet, the other circular permanent magnet produces acceleration under the action of repulsive forces of magnetic fields between the two circular permanent magnets, and the two circular permanent magnets move in a reciprocated manner continuously and change positions rapidly till the two circular permanent magnets restore a magnetic field balancing state under the action of friction and electromagnetic damping between the circular permanent magnets and the side wall of the annular permanent magnet, thereby completing a process of inducting external vibration. The magnet array planar rotation type energy harvester can convert external vibration energy into electric energy maximally, is high in energy harvesting and conversion efficiency, and has broad application prospect.

The invention provides application of a synthetic transcription factor VP64-Os01g63510. Transcription factor activation motifs VP64 (namely the four transcription factor activation motifs VP16) and paddy rice transcription factors Os01g63510 are constructed to obtain the synthetic transcription factor in a gene fusion mode. The synthetic transcription factor VP64-Os01g63510 is transformed into paddy rice to improve characters of paddy rice seeds. Therefore, the genetically modified paddy rice seeds are obviously lengthened and widened, the thousand seed weight is obviously increased, and the market application prospects are good.

The invention discloses a Henan dialect speech recognition system, comprising a speech acquisition device, a speech recognition device and a speech determining device, wherein the speech acquisition device receives Henan dialect speech instructions input by an user; the speech recognition device comprises a speech extraction unit and a characteristics compression unit; the speech extraction unit extracts short-time audio characteristics of the Henan dialect according to speech instructions received; audio frame characteristics with similarity meeting preset conditions are found in the speech instructions by the the characteristics compression unit according to the extracted zero-crossing rate, fundamental frequency and Mel frequency cepstrum coefficient characteristics; the speech determining device comprises a speech determining part and a speech output part; one or more optimized candidate recognition characteristics are selected from the audio characteristics by the speech determining part via a Hidden Markov Model ( HMM ) and are output to the speech output part; by adopting the above solution, operation efficiency and recognition effect are increased in the speech recognition system, and thus the system has a good market application value.

The invention discloses a full-automatic connector assembling machine which comprises a workbench, a rotating device, a feeding device, a discharging device, a correcting device, a first PIN insertingdevice and a second PIN inserting device. The fixed end of the rotating device is arranged in the middle of the surface of the workbench. Both the discharging device and the feeding device are installed on the workbench and arranged at the front end of the rotating device. The first PIN inserting device is arranged on the right side of the rotating device and connected with the rotating device. The second PIN inserting device is arranged on the rear side of the rotating device and connected with the rotating device. The correcting device is arranged on the left side of the rotating device andconnected with the rotating device. A control unit is arranged between the correcting device and the discharging device. The production cost and labor cost input are saved, meanwhile, by means of theconnector assembling machine, the problems that the assembling difficulty is high, and the assembling speed is low are solved, the assembling efficiency is high, the quality is good, the problem thatclient requirements cannot be met is solved, and the full-automatic connector assembling machine has great market application value.

The invention discloses a non-pre-buried type abnormal-shaped bent water channel hot-work die and a manufacturing method of the non-pre-buried type abnormal-shaped bent water channel hot-work die. The manufacturing method is characterized in that casting-state die workblank manufacturing is achieved by combining a ceramic core or a 3D printing core with a traditional sand casting method, and includes the steps of die workblank manufacturing, casting-state die workblank coarse machining and casting-state die workblank finish machining. The die workblank manufacturing includes the steps of manufacturing a cavity, an abnormal-shaped bent water channel core and a casting system, assembling the die, smelting steel, carrying out rapid casting, and carrying out cleaning, shot blasting, annealing, post-processing and flaw detection on the abnormal-shaped bent water channel core and a water collecting groove inlet-and-outlet core. The casting-state die workblank coarse machining includes the steps of casting-state die workblank profile coarse machining, quenching and tempering. The casting-state die workblank finish machining includes the steps of casting-state die workblank profile finish machining, casting-state die workblank matching face finish machining and profile PVD plating. The non-pre-buried type abnormal-shaped bent water channel hot-work die and the manufacturing method of the non-pre-buried type abnormal-shaped bent water channel hot-work die solve the problems that an abnormal-shaped bent water channel with optimized values cannot be achieved through a traditional mechanical drilling manner and the cooling rate of the traditional mechanical drilling manner is uneven, and have the advantages that the profile temperature is even, and the die machining cost is reduced.

The invention discloses an ultrasonic wave vibration equal channel angular extrusion combined mold. An ultrasonic wave vibration system is fixed on a mold base in the vertical direction; an L-shaped concave mold hole is formed in the output end of the ultrasonic wave vibration system; the feeding direction of the concave mold hole is parallel to the ultrasonic wave vibration direction; the discharge direction of the concave mold hole is perpendicular to the ultrasonic wave vibration direction; guide columns are uniformly arranged on the mold base; guide sleeves which relatively move in match with the guide columns are arranged on the guide columns; the guide sleeves are fixed on a top base of the mold; a convex mold is also fixed on the top base of the mold; a plurality of material guide sleeve support rods are uniformly fixed on the mold base; material guide sleeve fixing plates are fixed on the tops of the material guide sleeve support rods; material guide sleeves in match with the convex mold are fixed on the material guide fixing plates; the material guide sleeves are positioned above the convex mold hole; gaps are formed between the material guide sleeves and the concave mold hole. The ultrasonic wave vibration system and an equal channel angular extrusion mold are reasonably combined to form the ultrasonic wave vibration equal channel angular extrusion combined mold, so that both the yield stress and the flowing stress of a material are reduced, and crystal grains of the material are refined, and the comprehensive mechanical property of the material is improved.

The invention discloses edible drawing rice paper and a preparation method thereof. The edible drawing rice paper comprises components in percentage by weight as follows: 25%-80% of starch, 1%-3.5% of an emulsifier and the balance of water. With the adoption of the scheme, the starch serves as a main raw material and is wide in source and low in cost; the paper can be eaten directly and has moldability, an ornamental value and interestingness; and the paper can be used as edible paper and printed with patterns with transfer functions, the interestingness and functions of products are increased, and the paper has an excellent market application value.