45results about How to "Keep efficient" patented technology

A method for distributing internal memory pool of embedded operation system includes distributing internal memory pool formed by internal memory block and head in internal memory source according to size internal number of various internal memory block and size of internal memory head, initializing said internal memory pool to confirm initial address of internal block in various sizes and satisfying internal memory application by combining multiple internal memory block when waste over threshold is existed at minimum single internal memory block satisfying to said internal memory application.

The present invention provides methods for selecting refrigerant and lubricant combinations for use in heat transfer cycle systems and provides methods for operating said heat transfer systems. More particularly, the invention provides methods to select lubricant and refrigerant combinations for a heat transfer cycle system wherein at the lower temperatures of the heat transfer cycle the refrigerant and lubricant are miscible and at the upper temperatures of the heat transfer cycle the refrigerant and lubricant are phase separated and such that the density phase inversion temperature of the combination is below the upper operating temperature of the heat transfer cycle.

The invention discloses a perishable organic garbage degrading bactericide carrier. The carrier consists of the following components in percentage by weight: 60 to 89.9 percent of support material, 10 to 35 percent of adsorption material and 0.1 to 20 percent of water absorption and waterholding material. The support material is plant shells or scraps with looseness, porosity and strong air permeability; the adsorption material is a material with high adsorption property and strong water absorption property for garbage degrading functional bacteria; and the water absorption and waterholding material is high water-absorbing resin. The carrier has the functions of support, adsorption and water retention at the same time. When perishable organic garbage degrading bactericide is used with the carrier, the carrier can improve the perishable organic garbage degrading capability and prolong the running time of a perishable organic garbage degrading system.

The invention discloses a micro-application / network transmission / physical (Micro-ANP) Micro-ANP communication protocol model architecture method of an underwater acoustic sensor network (UWSN). The method comprises three parts, i.e. Micro-ANP protocol stack hierarchy classification, Micro-ANP network transmission layer protocol composition and grouped format design, and the optimization of UWSN pack load length. Due to the concise protocol hierarchies and unique network grouping format of Micro-ANP, multiple addresses, first length, calibration, upper protocol type and other packaging, brought by a traditional hierarchy model, can be reduced, and the problems that in a sensor node, uplink protocol stacks cannot be too complicated due to computation, storage, energy and other extremely limited resources can be solved; and due to the optimized design of the UWSN pack load length, the energy and the consumption of end-to-end delay and other resources can be reduced, and simultaneously, the network throughput and the transmission reliability are improved. The Micro-ANP communication protocol model architecture method of the underwater acoustic sensor network is applicable to network communication of underwater data acquisition, environment monitoring, disaster prevention, resource monitoring and other application based on the UWSN, and has good application prospect as an effective and practical technical scheme.

The invention relates to the field of aviation and specifically relates to a cleaning agent for aircraft pipelines and a preparation method thereof. The cleaning agent comprises an organic acid, a corrosion inhibitor, a surfactant, auxiliaries and deionized water, wherein the organic acid is a complex organic acid, the complex organic acid comprises an aminosulfonic acid and an organic acid with a low pH buffer value, and the complex organic acid accounts for 8-20% by weight of the total cleaning agent; in order to further improve the pH buffer capacity of the cleaning agent and improve the proportion of the organic acid with the buffer function in the complex organic acid to keep the high efficiency in descaling of the cleaning agent, the proportion of the complex organic acid to the aminosulfonic acid in parts by weight is (25-50): (75-50). By adding the high-efficient corrosion inhibitor in the formula, the corrosion to metal materials caused by the acid is greatly reduced, so that the safety of aircraft materials is ensured.

The invention provides a stem cell-loaded injectable bone repair adhesive for highly bionic active bone tissues. The stem cell-loaded injectable bone repair adhesive is composed of hydrogel with a multiple hybrid cross-linked network structure and stem cells distributed in the hydrogel with the multiple hybrid cross-linked network structure. The bone repair adhesive has an interpenetrating networkstructure after freeze drying. A high polymer material with carboxyl and catechol functional groups is subjected to oxidation self-crosslinking, the high polymer material with carboxyl and catechol functional groups and a high polymer material with amino and carboxyl are subjected to Michael addition reaction, phenolic hydroxyl groups on the high polymer material with carboxyl and catechol functional groups and calcium ions dissociated from micron-sized spherical hydroxyapatite are chelated to form the multiple hybrid cross-linked network structure, and the micron-sized spherical hydroxyapatite is uniformly distributed in the multiple hybrid cross-linked network structure. The bone repair adhesive can promote adhesion and proliferation of stem cells while improving the tissue adhesion, and enhance angiogenesis and osteogenesis of stem cells.

The invention provides a database self-adaptive encryption method and relates to the technical field of database security. The database self-adaptive encryption method comprises the steps that S1, request content of a database of application programs is recorded; S2, use modes of specific fields are analyzed, database patterns are scanned, and data features are acquired; S3, semantic features of the fields in the database are determined; and S4, different encryption algorithms are selected according to the semantic features of the fields. Through the database self-adaptive encryption method, database field types can be effectively recognized, appropriate encryption algorithms are selected according to the field types to perform encryption, encryption is rigorous, the encryption process isconvenient, and the high efficiency of the database on data retrieval still can be maintained.

A protecting casing for a transducer has an outer casing, an inner casing, a circuit board and a connector. The inner casing is detachably mounted in the outer casing and has a mounting hole and a cap detachably mounted on the inner casing to cover the mounting hole in a watertight manner. The circuit board is detachably mounted in the inner casing and has a surface, a circuit formed on the surface and a plug with terminals extends out of the inner casing. The connector is detachably mounted to the outer casing and is electrically connected between the circuit board and an external functional accessory component. Within such an arrangement to facilitate maintenance, assembly of the transducer, and effectively avoid intrusion of water, foreign object and the like.

A solar low-temperature radiation device consists of a solar heat collector (1), a circulating pump (2), an intelligent controller (3), a bedstead (4), a temperature sensor (5), a bed plate (6), a heat exchange pipeline (7) and a heat exchange medium (8) and is characterized in that the heat exchange medium (8) in the solar heat collector (1) is driven by the circulating pump (2) to flow through the heat exchange pipeline (7) arranged on the bed plate (6) and then return to the solar heat collector (1); and the intelligent controller (3) controls the on / off of the circulating pump (2) through the temperature of the bed plate (6) measured by the temperature sensor (5) so as to control the temperature of the bed plate (6).

The invention provides a method and device for dynamically allocating an internal storage in an online class system. The method includes the following steps: a main thread establishes sub-threads with a first preset number and establishes internal storage blocks the same as the sub-threads in number; the main thread places the internal storage blocks into an internal storage queue, and the internal storage blocks in the internal storage queue are ranked according to the order of time stamps of the internal storage blocks, wherein the first position in the internal storage queue serves as the queue head, and the final position in the internal storage queue serves as the queue tail; the main thread allocates the internal storage block, at the queue tail position, in the internal queue to the sub-thread for executing reading operation; the main thread allocates the internal storage block, at the queue head position, in the internal storage queue to the sub-thread for executing writing operation.

The invention relates to an artificial intelligence technology, and discloses an image intelligent matching method, which comprises the steps of receiving an original image set, and performing preprocessing operation including contrast enhancement, noise reduction and local threshold binarization on the original image set to obtain a preprocessed image set; performing scale invariant feature transformation on the preprocessed image set to obtain a scale invariant feature set, and performing clustering operation on the scale invariant feature set to obtain an optimized feature set; and inputting the optimized feature set and the original image set into a Hadoop big data processing library, establishing a key value pair relationship for the optimized feature set and the original image set, traversing the optimized feature set to obtain a traversal result, and outputting a matching result for an original image according to the key value pair relationship and the traversal result. The invention further provides an intelligent image matching device and a computer readable storage medium. According to the invention, rapid and accurate image matching can be realized.

The invention discloses a manual feeding and returning two-way hydraulic system, which comprises a hydraulic cavity, wherein one end of the hydraulic cavity is provided with a piston system, the other end of the hydraulic cavity is provided with two one-way valve structures, the piston system comprises a piston and a traction rod, the piston is positioned in the hydraulic cavity, the traction rod penetrates through one end of the hydraulic cavity to be connected with the piston, the inlet directions of the two one-way valve structures are opposite, an annular rail framework is arranged in a position near the traction rod part, the annular rail framework is divided into an outer frame and an inner frame, an inner frame gear strip is fixedly arranged on one side, near the traction rod, of the inner frame, a traction rod gear strip is fixedly arranged on one side, near the inner frame, of the traction rod, and a movable gear used for lifting the traction rod in a rolling way is arranged between the inner frame gear strip and the traction rod gear strip. Compared with the prior art, the manual feeding and returning two-way hydraulic system has the advantages that the movable gear is used for manually operating to drive the traction rod to move, and the small-scale and low-speed hydraulic power output operation and control is realized.

The invention discloses an exploration motor. The exploration motor comprises a shell, wherein one end of the shell is provided with a motor head; the upper end of the motor head is provided with a thrust sliding bearing component; the shell is also internally provided with a stator and a rotor; the stator is arranged sectionally; a sliding bearing is arranged between every two adjacent sections of the stator; the thrust sliding bearing component is sheathed on the rotor; the sliding bearing is ring-shaped and comprises a bearing inner ring and a bearing outer ring which are mutually matched; the bearing inner ring is arranged on the rotor, and the bearing outer ring is arranged on the shell; the thrust sliding bearing component comprises a thrust sliding bearing, a sliding plate, a positioning pin, a positioning ring and a half-opening ring. The exploration motor disclosed by the invention has the advantages that the stability and the high efficiency of operation can be maintained under the condition of bearing larger load, the energy is saved, the working efficiency is high and the service life is long.

The invention discloses a data dimension reduction processing method and device, computer equipment and a storage medium. The method comprises the steps of quantifying sample data in a sample data setaccording to an information quantification rule to obtain feature quantification information, determining a dimension number according to the feature quantification information and a dimension reduction proportion value, grouping the sample data according to the dimension number and the feature quantification information, and obtaining an initial centroid, and performing iterative correction on initial execution of each group of sample data to obtain a corresponding target centroid, and calculating a distance characteristic value between each piece of sample data and each target centroid to serve as a dimension reduction characteristic of each piece of sample data. The method and device are based on a data dimension reduction processing technology and belong to the field of big data processing, dimension reduction processing is carried out on attribute information of sample data while all the attribute information of the sample data is reserved, and analysis processing is carried outon the sample data based on dimension reduction features obtained after dimension reduction, so that the accuracy of analysis and processing can be ensured, and the efficiency of analysis and processing is greatly improved.

The invention provides a dust collector and a fertilizer machine. The dust collector comprises a shell, a filtering mechanism and an elastic mechanism, wherein the shell is provided with a first nozzle, a second nozzle and a filtering chamber, and the filtering chamber is arranged between the first nozzle and the second nozzle; one end of the elastic mechanism is arranged at the inner side of the top wall of the filtering chamber, and the other end of the elastic mechanism is provided with the filtering mechanism; and the filtering mechanism is arranged in the filtering chamber. When the dust collector and the fertilizer machine provided by the invention work, the elastic mechanism can allow the filtering mechanism to shake up and down due to the air flow, the dust attached to the surface of the filtering mechanism is shaken off, and the filtering mechanism is not easily clogged, so that filtering flanges do not need to be frequently disassembled to be cleaned up, and thus the continuity and high efficiency of fertilizer production are maintained.

The invention discloses a mineral leaching device for membrane bioreactor combined ion exchange. The mineral leaching device comprises a control cabinet, reaction tanks, membranes, an ion exchange column, heating pipes, aeration pipes, a metal ion collector, an eluent control valve, reaction tank slag discharge valves, a nutrient solution storage bottle, a regeneration solution storage bottle and a regeneration control valve. The two sides of the control cabinet are provided with the two reaction tanks respectively; and the membranes, the heating pipes and the aeration pipes are arranged in the reaction tanks. The bottoms of the reaction tanks are provided with the reaction tank slag discharge valves, the bottom of the regeneration solution storage bottle is provided with the regeneration control valve, and a pipeline connected with the ion exchange column and the metal ion collector is provided with the eluent control valve. The mineral leaching device is simple in structure, the influence on mineral leaching caused by factors such as temperature, aeration quantity and leaching chemical environment of the reaction tanks is considered, and the mineral leaching device is novel and reasonable in design, high in working efficiency and very suitable for bio-leaching of mesophilic bacteria and thermophile bacteria.

The invention discloses a paper money sorting machine. The conventional paper money sorting and counting operations are basically completed through manual operation. The sorting machine comprises a paper money temporary storage mechanism, a paper money separation mechanism, a paper money extension and recognition mechanism, a paper money collection and arrangement mechanism, and a peripheral support. To-be-separated paper money is put in the paper money temporary storage mechanism, and enters the paper money extension and recognition mechanism piece by piece through the paper money separation mechanism. The paper money passes through nylon rollers with the constant rotating speed in upper and lower rows, and the face values of paper money are discriminated through employing the characteristics that the lengths of paper money with different face values are different and the shading time of paper money with different face values is different while passing through a bijection photoelectric sensor. In order to improve the discrimination accuracy of paper money, the sorting machine carries out the extension of the paper money in a mode of enabling the nylon rollers to rotate at different speeds. The paper money with different face values outputted by the paper money extension and recognition mechanism enters into a collection box corresponding to the paper money collection and arrangement mechanism. The sorting machine achieves the sorting and arrangement of the paper money with different face values.

The invention belongs to the technical field of geospatial information systems, provides a multi-view layout method and system of immersive spatiotemporal data visual-analysis, and aims to solve the problems which are of discontinuity, low efficiency and the like of cognition of analysts among multiple views and exist in the prior art. The method includes: establishing layout space of the views; calculating degrees of attention on all views of a current stage of a visual-analysis task; calculating degrees of association among all the views of the current stage of the visual-analysis task; anddetermining a corresponding view from the other views according to gazing change information which is of an analyst, on the one view and about a view position or analysis change information which is of the analyst, on the one view and about view data, degrees of association between the other views and the view and degrees of attention on the other views, and enabling the same to carry out linkageresponse. According to the method, a multi-view layout is dynamically optimized, and cognition focusing associated with the visual-analysis task is realized to maintain continuity and high efficiencyof cognition of the analyst among the multiple views.

The invention discloses a battery power system which is used in a low-speed miniature electric vehicle. The battery power system includes a battery box. The battery box is internally equipped with a battery clamp assembly used for assembling a plurality of ternary lithium batteries into a battery module. A pre-charging unit and a battery management system are arranged on one side of the battery module. The battery management system is equipped with a battery voltage data collection board which is connected with the battery module to collect the voltage and current data of the battery module inthe charging and discharging process in real time. When the collected data is greater than a preset threshold, the battery management system makes the pre-charging unit disconnected from the batterymodule. The battery power system of the invention has the advantages of simple and compact structure, long service life, environmental protection and safety.

The invention discloses an environment-friendly paint drier; the environment-friendly paint drier is simple and clear in ingredients and low in cost; compared with a traditional drier, the environment-friendly paint drier contains no harmful toxic substances, such as cobalt or lead, and also has high-efficiency dry-promoting activity. The environment-friendly paint drier is characterized by comprising the components in parts by weight: 1-5 parts of manganese carbonate, 0.5-1.5 parts of aliphatic alcohol phosphate diethanolamine, 1-3 parts of glycerol, 1-6 parts of a cosolvent, 1-5 parts of polyvinylpyrrolidone, and 5-10 parts of deionized water.

The invention discloses a golf ball blowing and conveying device which comprises a frame, a fan and a three-way pipe. The three-way pipe is provided with a front pipe opening, a rear pipe opening and a side pipe opening. The front pipe opening is connected with an air outlet of the fan through a connecting pipe. The rear pipe opening is connected with a conveying pipeline conveying golf balls. The outer side of the side pipe opening is provided with a ball feeding mechanism. During working, collected golf balls are conveyed to the side pipe opening of the three-way pipe through the ball feeding mechanism, the fan is started, blown airflow sequentially passes through the connecting pipe and the three-way pipe and then enters the pipe conveying pipeline, and the golf balls at the side pipe opening enter the three-way pipe under the action of negative pressure and continue to be conveyed to a ball receiver or dispenser of a terminal through the ball conveying pipe along with airflow. The golf ball blowing and conveying device can convey the golf balls at the furthest position to the ball receiver or dispenser, has the infinite elasticity, can fill one or more ball receiver with clean golf balls rapidly and reliably, lowers physical labor to the greatest extent, and assists in keeping high efficiency, cleanness and safety degree of a practice court.

The invention discloses an unbalanced concept drift data stream classification method based on G-mean dynamic weighting, and belongs to the field of data stream classification. According to the method, through an online weighting mechanism, the weights of all base classifiers are updated once and are not influenced by class distribution when a new instance rather than a complete data block arrives, the creation time of the classifiers and the Gmean performance of the classifiers on the latest p data are considered when the base classifiers are updated, and therefore the classification accuracy of the base classifiers is improved. The G-mean performance is insensitive to the class distribution of the data, the importance of multiple classes and few classes can be balanced, the classification accuracy of the minority classes is improved, meanwhile, the TPR and the TNP are incrementally calculated through the time attenuation factor, and any historical data does not need to be stored; meanwhile, two elimination mechanisms are used for controlling the scale of the integrated model, and the high efficiency and accuracy of decision making are kept.

The invention discloses a micro-application / network transmission / physical (Micro-ANP) Micro-ANP communication protocol model architecture method of an underwater acoustic sensor network (UWSN). The method comprises three parts, i.e. Micro-ANP protocol stack hierarchy classification, Micro-ANP network transmission layer protocol composition and grouped format design, and the optimization of UWSN pack load length. Due to the concise protocol hierarchies and unique network grouping format of Micro-ANP, multiple addresses, first length, calibration, upper protocol type and other packaging, brought by a traditional hierarchy model, can be reduced, and the problems that in a sensor node, uplink protocol stacks cannot be too complicated due to computation, storage, energy and other extremely limited resources can be solved; and due to the optimized design of the UWSN pack load length, the energy and the consumption of end-to-end delay and other resources can be reduced, and simultaneously, the network throughput and the transmission reliability are improved. The Micro-ANP communication protocol model architecture method of the underwater acoustic sensor network is applicable to network communication of underwater data acquisition, environment monitoring, disaster prevention, resource monitoring and other application based on the UWSN, and has good application prospect as an effective and practical technical scheme.

The invention provides a novel exploration motor plain thrust bearing assembly which is characterized in that the novel exploration motor plain thrust bearing assembly comprises a positioning ring, arotor, a semi-opening ring, a sliding plate, a thrust sliding bearing and a positioning pin, wherein the sliding plate is located between the plain thrust bearing and the positioning ring, the plain thrust bearing is slidingly connected to the sliding plate, the sliding plate is screwed with the positioning ring, one end of the positioning pin is inserted into the plain thrust bearing, and the semi-opening ring is located between the rotor and the positioning ring. The novel exploration motor plain thrust bearing assembly has the advantages of simple structure and reasonable design, the stability performance of an exploration motor is greatly enhanced, the stability and high efficiency of operation can be maintained under the condition of a large load, and the service life is improved.

The invention discloses an exploration motor, which comprises: a casing, a motor head is arranged at one end, a thrust sliding bearing assembly is arranged at the upper end of the motor head, a stator and a rotor are arranged in the casing, and the stator is divided into two parts. Sliding bearings are arranged between two adjacent stators, and the thrust sliding bearing assembly is set on the rotor; the sliding bearing is ring-shaped, and the sliding bearing includes a bearing inner ring and a bearing outer ring that cooperate with each other. The bearing inner ring is installed on the rotor, and the bearing outer ring is installed on the housing; the thrust sliding bearing assembly includes: a thrust sliding bearing, a slide plate, a positioning pin, a positioning ring, and a half open loop. The exploration motor of the present invention can maintain the stability and high efficiency of operation under the condition of bearing relatively large compounding, and it saves energy, has high working efficiency and long service life.

The invention discloses a paper money sorting machine. The conventional paper money sorting and counting operations are basically completed through manual operation. The sorting machine comprises a paper money temporary storage mechanism, a paper money separation mechanism, a paper money extension and recognition mechanism, a paper money collection and arrangement mechanism, and a peripheral support. To-be-separated paper money is put in the paper money temporary storage mechanism, and enters the paper money extension and recognition mechanism piece by piece through the paper money separation mechanism. The paper money passes through nylon rollers with the constant rotating speed in upper and lower rows, and the face values of paper money are discriminated through employing the characteristics that the lengths of paper money with different face values are different and the shading time of paper money with different face values is different while passing through a bijection photoelectric sensor. In order to improve the discrimination accuracy of paper money, the sorting machine carries out the extension of the paper money in a mode of enabling the nylon rollers to rotate at different speeds. The paper money with different face values outputted by the paper money extension and recognition mechanism enters into a collection box corresponding to the paper money collection and arrangement mechanism. The sorting machine achieves the sorting and arrangement of the paper money with different face values.

The invention discloses a method for allocating a memory pool of an embedded operating system, comprising: step 1, according to the size and quantity of various memory blocks that may be used by the user and the size of the corresponding memory header, allocate a A memory pool formed by the memory blocks and memory headers; Step 2, initializing the memory pools to determine the starting addresses of memory blocks of various sizes; Step 3, for memory applications, if the memory application meets the minimum If there is waste exceeding the threshold in a single memory block, the memory application is satisfied by combining multiple memory blocks of different sizes; step 4, after the application of the memory application is completed, the memory block of the memory application is released. The present invention can greatly reduce and alleviate the problem of waste of memory resources in the management of the general memory pool, and at the same time, maintain the efficiency and reliability of the management of the general memory pool.

The invention provides a voltage monitor for a 48V rail storage battery. The voltage monitor comprises a first support plate, a second support plate and an upper cover, a DC / DC voltage converter and a battery management system are arranged on the first support plate, the second support plate and the first support plate are vertically and fixedly laminated together, a current sensor, a relay and a heat sink are arranged on the second support plate, a diode is attached and fixed onto a position, facing an inner side surface, of the heat sink, each component is connected according to requirement, the battery management system is used for acquiring current data passing through the current sensor and voltage data of a corresponding storage battery pack and controlling on / off of a switch of the relay, the upper cover is covered on the second support plate in a matching way, and the heat sink is arranged outside the upper cover. The voltage monitor for the 48V rail storage battery is simple and compact in structure and is convenient to assemble and disassemble.

A protecting casing for a transducer has an outer casing, an inner casing, a circuit board and a connector. The inner casing is detachably mounted in the outer casing and has a mounting hole and a cap detachably mounted on the inner casing to cover the mounting hole in a watertight manner. The circuit board is detachably mounted in the inner casing and has a surface, a circuit formed on the surface and a plug with terminals extends out of the inner casing. The connector is detachably mounted to the outer casing and is electrically connected between the circuit board and an external functional accessory component. Within such an arrangement to facilitate maintenance, assembly of the transducer, and effectively avoid intrusion of water, foreign object and the like.