30results about How to "Achieve low" patented technology

The invention relates to a technology supporting multi-process embedded tree-based databases, which comprises preliminary program flow and watermark operation flow, adopts a memory sharing mechanism, binary tree traversal and serialized storage technology and the like, has high searching efficiency and safe and reliable functions, and is smart and flexible.

The invention relates to a safety anti-counterfeiting destroying device for a wine bottle, which comprises a bottle body and a destroying device, wherein a concave surface is formed at the bottom of the bottle body; the destroying device comprises a destroying needle and a fixing and guiding device; the destroying needle is connected and fixed with the side face of the concave surface at the bottom of the bottle body through the fixing and guiding device; the front end of the destroying needle is set to be a sharp end and is close to the bottom surface of the concave surface at the bottom of the bottle body; and at ordinary times, a gap is reserved between the front end of the destroying needle and the concave surface of the bottle body, and after all wine in the wine bottle is fully drunk, the destroying needle is hit forcefully to break through the bottom of the bottle body so as to achieve the anti-counterfeiting destroying effect. Compared with the prior art, the safety anti-counterfeiting destroying device has the characteristics as follows: 1, the way of destroying the structure of the bottle body before drinking is changed into the way of destroying the structure of the bottle body after drinking, the destroying position is changed from a bottle opening to the bottle bottom, broken glass cannot enter the wine, and the wine can be safely drunk; 2 the device is easy to implement and convenient to operate; and 3, a fixing ring is torn away, and the destroying device is pressed down, so that the structure of the bottle body can be destroyed. The safety anti-counterfeiting destroying device is simple in structure, easy to implement, safer in the way of destroying the wine bottle, and easy to popularize.

The embodiment of the invention discloses an indicating method and a base station. The method comprises the following steps of: calculating the time delay of hybrid automatic retransmission feedback for a terminal by using the base station, wherein the time delay comprises the time of demodulating a physical downlink shared channel, the time of modulating a physical uplink control channel, and the transmission delay between the base station and a terminal; calculating the number of symbols occupied by the time delay based on the symbol length used by current service; and sending time delay information to the terminal, and ensuring that the time delay indicating information includes the number of symbols occupied by the time delay or types of the time delay, and the types of the time delay correspond to the number of symbols occupied by the time delay. By adopting the indicating method and base station disclosed by the invention, the base station can flexibly indicate the time delay of communication with the terminal, and thus the improvement of resource utilization rate can be facilitated, and the transmission delay of business can be reduced.

The invention discloses a wet electrostatic precipitator rear segment spraying program control optimized water saving method. The water saving method comprises the steps that firstly, a wet electrostatic precipitator circulating water quality solid containing amount online monitor is additionally arranged, so that the water quality of wet electrostatic precipitator circulating water is ensured; secondly, by automatically reading the current unit load and the spraying duration and period set at the corresponding load, the rear segment spraying water opening duration is automatically increased or decreased; thirdly, by means of newly increased spraying water amount calculated every 30 minutes, the drained waste water amount is synchronously calculated and adjusted, and wet electrostatic precipitator water balance is achieved; and fourthly, on the premise that the wet electrostatic precipitator circulating water quality solid containing amount meets the requirement, the amount of fresh water consumed by a wet electrostatic precipitator is reduced as much as possible, the water amount of an absorption tower is synchronously reduced, and therefore it is guaranteed that a demister of the absorption tower carries out flushing according to requirements, longer flushing duration is provided, the demisting effect of the system demister is ensured, blockage is avoided, the industrial water consumption is reduced to the maximum extent, and the drainage frequency and the drainage waste water amount of the absorption tower are synchronously reduced; and by means of the method, the wet electrostatic precipitator water consumption is reduced, and the method has a remarkable effect on economical and environmental-friendly running of a coal-fired unit.

The invention provides a traffic monitoring model calibration method and system based on physical coordinates of a marking dotted line, and the method comprises the following steps: 1), determining an internal parameter matrix of a road monitoring camera through a VLH self-calibration algorithm; 2), solving the posture parameters of a camera through the internal parameter matrix determined at step 1) and the coordinates of the marking dotted line in a traffic video; 2), obtaining the posture parameters of the camera after the execution of step 2), transmitting the posture parameters to a traffic monitoring model, carrying out the corresponding analysis calculation of the posture of the camera through the traffic monitoring model, and obtaining an accurate road monitoring result. The calculation speed of the traffic monitoring module is higher than the speed of a conventional camera calibration method. The method achieves the real-time calibration, is high in robustness, and is convenient in obtaining based on the coordinates of the marking dotted line. The method can achieve the quick calibration of traffic monitoring facilities through an actual road traffic video, and can achieve the real-time and accurate simulation of traffic video conditions.

A roll typed impact extrusion processing method and a device of an automobile drive axle housing adopts roll typed impact extrusion technique to manufacture a lute-shaped housing expanded from the middle of the driving axle housing, namely, axial compressive force is loaded to the both ends of the axle housing roughcast or the semi-finished product; in the forming die, dedicated roll pressured rolling of the driving gear is adopted to implement repeated rolling and progressive roll typed impact extrusion operation to the inner wall of the workpiece, and processes the workpiece into the needed axle housing shape. As a lute-shaped hole of the middle of the axle housing is molded by reaming and roll typed impact extrusion technology, the volume of the metal material is progressively transferred for a plurality of times, and the thickness of the deformation part of the material basically remains unchanged, so that the metallurgical structure of the steels of the area is compact, furthermore, surface hardening greatly strengthens all the mechanical performance of the corresponding parts of the axle housing body, and improves the integral mechanical strength and rigidity of the axle housing. The method has the advantages of simple technique, convenient operation, little investment of the dedicated device and die, reliable work, and simple and easy product model conversion, which is suitable for batch produce with a plurality of varieties.

The invention discloses an impounding and water-retaining device for a slope surface in a hilly region, which comprises a water storage part and drainage part which are arranged underground, wherein the water storage part is a horizontally arranged cylindrical net barrel, two ends of the water storage part are sealed by end surface nets, the inner side of the cylindrical net barrel is filled withsan and gravel stone to form a sand and gravel water seepage layer, the upper part of the middle part of the cylindrical net barrel is connected with a hopper, the lower end of the hopper is communicated with the sand and gravel stone layer area, and the upper end of the hopper is flush with the ground surface and is sealed with a surface filter screen. The device is simple in structure and convenient to manufacture; the three-dimensional irrigation in the middle and deep layers is achieved, the surface evaporation is effectively reduced, and the effective utilization rate of water is improved; the device is not limited by water quality and has wide application range; combined with the function of impounding the and runoff, the soil and water loss is effectively controlled.

The invention discloses a photovoltaic panel production process. The production process sequentially includes the steps of a, providing a metal layer, an insulating layer and a flexible photocell layer; b, sequentially placing the flexible photocell layer, the insulating layer and the metal layer from top to bottom and laminating to form a laminated photovoltaic panel; b1, coating a PU layer on the surface of the laminated photovoltaic panel; b2, coating a polymer layer on the surface of the PU layer; d, coating a photocatalyst layer on the surface of the polymer layer; c, heating and curing the laminated photovoltaic panel to form the photovoltaic panel. A production line for the photovoltaic panel production process comprises a metal layer roller, an insulating layer roller and a flexible photocell layer roller are disposed on the left of the metal layer roller, a pressing roller is disposed above the metal layer roller, a heating and curing chamber and a rolling roller are disposed on the right of the metal layer roller. The production process and the production line are used for producing a photovoltaic panel which is flexible in mounting, high in flexibility and bending performance, capable of being rolled for storage and lightweight.

The invention discloses a method for reducing carbonate and sulfate radicals in a high-concentration potassium hydroxide solution, which comprises the following steps: S1 heating the high-concentration potassium hydroxide solution to 80-100°C; S2 heating the high-concentration potassium hydroxide solution to be treated Add 80-100g / L barium hydroxide powder into the concentrated potassium hydroxide solution, and keep stirring for 3-6 hours; S3 stands still for 16-24 hours, and cools naturally; S4 filters the lye after standing. It is also possible to form a variable-frequency electric field in the high-concentration potassium hydroxide solution in S1 and treat it for 1 to 2 hours. The invention solves the unfavorable influence of the barium hydroxide on the treatment of carbonates and sulfates due to the same ion effect under normal temperature conditions. After being treated by the removal method of the present invention, the carbonate and sulfate groups in the high-concentration waste potassium hydroxide lye can be greatly reduced, and can meet the requirements of impurities in the electrolyte in GB / T18270 "Electrolyte for Nickel-Cadmium Open Battery". requirements, it can continue to be used as an alkali for nickel-cadmium batteries.

Disclosed is an explicit multi-core Cache consistency active management method facing flow application. The method comprises the steps that private data Cache set an optional total state descriptor and a shared data function digit of an identification Cache to the read-write state of shared data; the total state descriptor is used for identifying the operational state of the whole private data Cache to the shared data currently, Y groups are configured according to the number requirement for simultaneous locking of the Cache, the feature information of each locking area is stored in each group, and a shared address section or locking sign information can be achieved; the shared data function digit is a two-dimensional array register, the width is N, and the depth is M; the N is used for distinguishing N different locking shared data areas corresponding to lines or blocks of the Cache, and the M is the same as the number of the lines or the blocks of the private data Cache to identify the corresponding lines or the blocks of the Cache to determine whether the shared data need to be read and written or not. The explicit multi-core Cache consistency active management method facing the flow application has the advantages of being simple in principle, convenient to operate, small in price for hardware implementation, good in expandability, strong in configurability, capable of improving system efficiency and the like.

The invention relates to an air-suction type seeding device achieving vertical seed throwing at low position, and belongs to agricultural machinery. A drive shaft is installed on a fixing sleeve in a matched mode, a driving disc is fixedly installed on the drive shaft, an eccentric disc and an eccentric air-suction disc are fixedly installed on the fixing sleeve, a sealing round cover plate is installed on the eccentric disc, a crank shaft type seed suction and discharge pipe is installed between the sealing round cover plate and the driving disc in a matched mode, an arc-shaped airflow blocking boss is arranged on the lower side part of the inner wall face of the eccentric air-suction disc, a seed box is installed on the portion, below the sides of the eccentric air-suction disc, the sealing round over plate and the driving disc, of the eccentric air-suction disc in a matched mode, and a seed cleaning brush is arranged at a seed suction port of the seed box. Accordingly, low-position vertical seed throwing work of the air-suction type seeding device is achieved, seeds discharged by the air-suction type seeding device can be seeded on soil of seedbeds directly, a seed conveying pipe is omitted, and the air-suction type seeding device has the advantages of being novel, simple and reasonable in structure, good in quality of seeding work, high in precision and reliable in use.

The embodiment of the present invention relates to the technical field of server operation and maintenance, and discloses a server operation and maintenance management and control method and system. The method includes: the management server obtains the initialization attributes of the target server, and determines the configuration item information of the target server according to the initialization attributes; wherein , the target server is any server in the access layer server, logic layer server, data layer server or cache layer server; the management server obtains the command line parameters to be executed for the target server, and determines the corresponding target according to the command line parameters class method; the management server executes the corresponding target class method according to the configuration item information, and judges whether the corresponding target class method has an overridden implementation; if it exists, the management server executes the subclass method included in the target class method according to the command line parameters to realize The management and control function of the target server. Implementing the embodiment of the present invention is beneficial to improving the maintenance efficiency of the server.

The tool wear state monitoring method for turning machining based on metric learning, firstly, the collected tool wear images are preprocessed, and then randomly divided into a training set and a test set in proportion, and the training set and test set are divided into a support set and a test sample set ; Establish a non-parametric neural network model structure, including feature extraction network, distance measurement function, and attention mechanism; initialize feature extraction network model weights, deviations, and learning rate parameters, and construct activation functions; use cosine distance functions as distance measurement functions; Attention mechanism Use the softmax layer structure; use forward propagation to calculate the current cross-entropy loss, and then calculate its gradient through backward propagation; optimize the weight and bias by running the gradient descent method, and finally use the learning parameters of the network model to predict and classify the test set Identify and output prediction accuracy. The invention has the characteristics of simple algorithm realization, error correction, high classification accuracy of tool wear state, short running time and strong real-time performance.

The invention discloses a method for extracting total saponins from allium chinense. The method comprises the following steps of: (1) pretreating raw materials; (2) drying in an oven; (3) crushing; (4) soaking the powder and performing primary extraction; (5) performing secondary extraction; (6) evaporating and recycling ethanol, and performing reduced-pressure concentration; (7) extracting with petroleum ether; (8) extracting with n-butyl alcohol; (9) evaporating and recycling the n-butyl alcohol, and concentrating with a concentrator; (10) performing column purification with macroporous adsorption resin; and (11) removing the ethanol and drying. In the invention, the raw materials are easily available at low price; all reagents are in common use and can be recycled to lower the production cost and reduce pollution; the operation conditions are simple and easy to realize; the obtained product contains relatively high content of total saponins of allium chinense, and has high values in practical application; and the residues after the extraction of total saponins also can be used as high-quality feed and fertilizer.