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54results about How to "Reduce storage footprint" patented technology

Filling paste prepared from salt deposit exploitation tail salt and consolidated filling method thereof

The invention discloses filling paste prepared from salt deposit exploitation tail salt. The filling paste is characterized in that: tail salt prepared by performing ore dressing processing on sylvite or carnallite ore is taken as a filling substrate; the filling substrate mainly comprises NaCl and MgCl2, and hemihydrate gypsum CaSO4 1/2H2O is taken as a cementing material; NaCl serving as an aggregate for solidifying the filling substrate is added as required, and the concentration of a filling material is adjusted by controlling the adding amount of NaCl; and paste of which the mass concentration is 81-88 percent is formed by mixing and stirring the filling substrate with the cementing material. The invention further discloses a filling method for using the filling paste. High-concentration paste is prepared by using the tail salt and the cementing material, the paste filling material is solidified through a physical-chemical reaction after being pumped to an underground worked out section, and a filling body with certain strength can be formed without dehydration in a stope. Softening damage to ore columns and wall rock caused by water contained in filling slurry is avoided, and the ecological environments on the ground surface and the periphery of a mining area are protected effectively.
Owner:BLUESTAR LEHIGH ENG INST CO LTD

Alkali-activated high-water-content mine filling material based on synergism of multiple solid wastes and preparation method thereof

The invention discloses an alkali-activated high-water-content mine filling material based on synergism of multiple solid wastes and a preparation method thereof. The high-performance alkali-activated high-water-content mine filling material is prepared by fully utilizing coal gangue, fly ash, desulfurized gypsum, coal gasification slag, carbide slag and other coal-based solid wastes generated by coal mining and power generation and silicon-calcium slag generated by a fly ash alkali method aluminum extraction technology independently developed in recent years in China as main raw materials and matching with a certain amount of alkali activator. The processing process and the raw material ratio can be adjusted according to the transportation distance, the transportation mode and the pumping process, the characteristics of the solid wastes are completely performed, the synergistic enhancement effect is achieved, the utilization problem of the solid wastes is solved, and the alkali-activated high-water-content mine filling material prepared through the synergy of the multiple solid wastes has characteristics of good fluidity, high strength and low cost, and has wide application prospects. And large-scale popularization and application are facilitated.
Owner:INNER MONGOLIA UNIV OF TECH

Power generation system and method by mixing fuel gas generated in molded biomass fuel burning with pulverized coal

The invention discloses a power generation system and method by mixing fuel gas generated by molded biomass fuel burning with pulverized coal. Burning molded biomass fuel for a circulating fluidized bed is adopted, biomass energy is converted into high-temperature biomass gas, after high-temperature dust removal and heat exchange and cooling, the biomass gas is sent into a gas burner arranged on a pulverized coal boiler through a booster fan and has mixed combustion with the high-temperature pulverized coal in the boiler through the gas burner, so as to improve the utilization efficiency of the biomass energy and utilize an efficient coal-fired power generation unit to conduct combined power generation by the biomass and the fire coal. According to the system, a biomass gas energy on-line measuring device is arranged, so as to realize real-time effective online biomass gas heat energy detection. According to the power generation system and method, the problems that a biomass power plant is difficult in storage, large in land occupation and low in burning power generation efficiency are better solved, the system takes full use of the existing coal-fired power generation unit device to efficiently conduct power generation by molded biomass fuel, meanwhile the fire coal consumption of the existing coal-fired power generation unit is also reduced, and the low-load stable burning property, the low-load capacity and the low-load boiler efficiency of the existing coal-fired unit are improved.
Owner:浙江百能科技有限公司

Distributed database node survival state detection module and method

The invention discloses a distributed database node survival state detection module, and relates to the technical field of computer communication. Aiming at the defects existing in the existing node state detection process, a monitoring unit of the state detection module monitors and acquires the health state and updating time of each node, and a processing unit of the state detection module performs data response according to a topological mode in a Gossip protocol. The method further comprises analyzing and counting survival states of the nodes and extracting an inactive node list; the invention further discloses a distributed database node survival state detection method, in the wave cloud sea distributed database DRDB, based on a Gossip protocol broadcast message, each node in the cluster receives and sends a data packet containing other node update messages in a heartbeat period, and the data packet is sent to the cloud sea distributed database DRDB. And the state detection moduleis communicated with each node in the cluster, so that an inactive node list can be extracted. According to the module, whether the node has normal capability can be quickly identified to perform functions of copy processing, memory copying, message transmission and the like.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

Chassis fault detection early warning system and method of motor train unit

The invention discloses a chassis fault detection early warning system and method of a motor train unit, belonging to the technical field of fault early warning. The system comprises a rail-side device, a rail-side machine room system and a background monitoring center system which are arranged close to a rail of a motor train unit, wherein the rail-side device and the rail-side machine room system transmit data through a wireless network, and the rail-side machine room system and the monitoring center system transmit data through a wired network; the rail-side device comprises an image acquisition device, a sound acquisition device and a speed measurement device and is used for acquiring images of a chassis of the motor train unit, acoustic signals of the motor train unit and motor trainapproaching, length and speed signals. The sound, the image, the speed and the length information of the motor train unit are collected through the rail-side device, and the information is sent to therail-side machine room system for calculation, so that the faults of the surface of the motor train unit chassis can be detected according to the image, the faults inside the device can be determinedaccording to the sound, and the detection accuracy is improved.
Owner:ANHUI FUHUANG TECH CO LTD

Embedded child electrocardiogram monitoring equipment and system

The invention provides embedded child electrocardiogram monitoring equipment and system. P waves, PR segments, QRS waves, ST segments and T waves of each ECG are recognized, the obtained P waves, PR segments, QRS waves, ST segments and T waves are put into corresponding wave band arrays respectively, a mark array is newly built, and the number of elements of the mark array is the same as that of the wave band arrays;the similarity between the P wave, the PR section, the QRS wave, the ST section and the T wave and the corresponding typical wave band is calculated, the element at the corresponding position of the flag array is set to be 1 when the similarity is smaller than a threshold value, and the occurrence time of the wave band is recorded; and a subscript of which the flag array element is 1 is acquired, elements corresponding to the subscript in the P wave array, the PR segment array, the QRS wave array, the ST segment array and the T wave array are combined into an ECG wave, and the ECG wave and wave band generation time in a second storage unit are stored. In addition, the invention further provides a QRS wave identification method in the ECG. The transmission quantity of the ECG data can be effectively reduced, and the user experience is improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV

Human body target detection method and system for real-time application of mobile terminal

The invention discloses a human body target detection method and system for real-time application of a mobile terminal, and belongs to the field of artificial intelligence. Aiming at the problems of poor human body detection precision and poor real-time performance of the existing mobile terminal, the invention provides a human body target detection method for real-time application of the mobile terminal, and the method comprises the following steps: collecting data and carrying out the preprocessing; inputting the preprocessed data into a deep learning framework for training to obtain a network model file; and deploying the network model file to a mobile terminal, completing human body detection and outputting a result. According to the invention, the deep learning framework trains the data to optimize and adapt to the mobile terminal, the subsequent deployment of the mobile terminal is facilitated, the spatial pyramid pooling and the feature pyramid structure can greatly increase the accurate detection of the long-range small target and the shielding condition, and the accurate measurement precision is improved. And when the feature extraction network is deployed to the mobile terminal, the real-time performance can be ensured under the existing computing resources of the equipment, and the whole method is simple to operate and wide in adaptability.
Owner:上海震巽智慧科技有限公司

Multi-level warehouse management system and method for medical consumables based on spd mode

ActiveCN113707288BReduce storage footprintAvoid the procurement processHealthcare resources and facilitiesLogisticsHospital warehouseDatabase services
This application provides a multi-level warehouse management system and method for medical consumables based on the SPD mode. The system includes: a server with multiple first users; the server has a first-level standby database and a first-level hospital database corresponding to each first user; service There is also an SPD central library at the terminal; the first-level standby database is used to store the consumable information in the first-level standby warehouse of the first user; the first-level hospital database is used to store the consumable information in the first-level hospital warehouse of the first user; the SPD center The library is used to store consumables information in the central consumables warehouse; several first terminals are installed with SPD systems; the first terminals are used to issue purchase orders through the SPD system, and the purchase orders include current purchase consumables information and spare purchase consumables Information; the server is used to receive storage transfer applications and purchase storage applications, and to update each database. The application enables the hospital to pre-store the spare consumables outside the hospital, reducing the storage space occupied by the consumables in the hospital.
Owner:天津医药集团众健康达医疗器械有限公司

Folded portable conveniently-stored self-locking bicycle

The invention discloses a folded portable conveniently-stored self-locking bicycle, comprising a frame, a front fork, a front wheel, a rear wheel, a controllable movable front face and a control box with a lock, wherein, the frame is connected with the rear wheel; the frame is connected with a positioning box which is connected with the control box; the control box is connected with the controllable movable front face which is connected with a sleeve; the sleeve is connected with the front fork which is connected with the front wheel; the sleeve and a vertical pipe are locked through a vertical pipe locking handle; the vertical pipe is connected with a handlebar sleeve; an extension handlebar is connected with the handlebar sleeve; the positioning box of the frame is provided with the control box with the lock and the controllable movable front face; the frame, the control box, the front face, the sleeve and the front fork are folded into a hollow ring shape by a control box positioning pin; and the front wheel and the rear wheel are locked on the same axis, thus realizing the reliable storage of the folded bicycle on the ground or a hollow fixed object; the folded parts are positioned; the folded bicycle is easy to store and carry by virtue of a movable support; and the storage safety of the folded bicycle is enhanced by the control box with the lock.
Owner:马智峰

Black frame calibration method and system for hyperspectral image and black frame correction method and system for hyperspectral image

ActiveCN113643388AReduce storage footprintSave time in capturing hyperspectral dataImage enhancementImage analysisWave bandExposure
The invention discloses a black frame calibration method and system for a hyperspectral image and a black frame correction method and system for a hyperspectral image. The black frame calibration method for the hyperspectral image comprises the steps of: carrying out black frame collection on a shooting wave band at the same test temperature and different exposure time, carrying out black frame collection on different test temperature sequences at the initial exposure time so as to obtain a corresponding black frame data set; and obtaining a wavelength dimension average value and an image dimension average value from the black frame data set on the basis of the image dimension and the wavelength dimension, fitting the wavelength dimension average value and the image dimension average value respectively based on the exposure time and initial test temperature, and keeping the wavelength dimension average value and the image dimension average value at the initial exposure time and the initial test temperature; and obtaining a complete hyperspectral black frame image sequence matrix by using the parameters, and deducting the product of the hyperspectral black frame image sequence matrix and digital gain from the hyperspectral image to obtain a corrected hyperspectral image. According to the methods and the systems, the time of repeatedly shooting the black frame each time can be saved, and meanwhile, the space occupied by storage can be greatly reduced.
Owner:SHEN ZHEN HYPERNANO OPTICS TECH CO LTD

On-line detection method for secondary circuit disconnection of transformer used in conventional sampling instrument in substation

InactiveCN105242167BSolve the problem of abnormal operationShort processing timeElectrical testingElectrical resistance and conductanceEngineering
A method for detecting disconnection of a transformer secondary circuit for a conventional sampling instrument in a substation, comprising the steps of: S1, adding a mega-level pull-up resistor R1 and a pull-down resistor R2 with unequal resistance values ​​to the secondary circuit of the instrument transformer, the resistance value The ratio is 1:2; for the current type PT transformer, a resistor R0_1 is connected in series on the source side, and a resistor R0_2 is connected in parallel at the secondary side; for the voltage type CT transformer, a resistor R0 is connected in parallel at the source side; S2, identify the fault and Processing: When the continuous 1 / 4 cycle time of the AD sampling value is near the offset potential of the secondary circuit disconnection, it is judged that the secondary circuit is disconnected; the sampling device performs disconnection exception processing: the quality setting of the sampling value output by the merging unit SV is abnormal , and drive GOOSE to release the abnormal alarm point of the sampling value; the conventional sampling protection device blocks the relevant protection of the disconnection channel, and the sampling value of the disconnection channel of the conventional sampling measurement and control device is invalidated, and an alarm is issued. The invention can realize the self-inspection of the secondary circuit state of the conventional sampling device in the substation, and improve the reliability of the conventional sampling device in the substation.
Owner:CHINA SOUTHERN POWER GRID COMPANY +1
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