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41results about How to "Loss mitigation" patented technology

Public bicycle access method and system based on Bluetooth lock and radio frequency identification monitoring

The invention relates to the public bicycle system, in particular to a public bicycle access method and system based on Bluetooth lock and radio frequency identification monitoring. The construction does not damage road surface. Users can apply the method conveniently. The bicycle extraction process comprises the steps that a bicycle application in a mobile terminal scans a QR code of a bicycle to generate a bicycle renting request containing user identity information and bicycle equipment information, which are sent to a backstage management platform; the backstage management platform determines if the bicycle renting request has authority of renting the bicycle, if the answer is yes, a corresponding Bluetooth secret key is sent back to the bicycle application; the bicycle application calls a Bluetooth equipment to control the unlocking of a Bluetooth lock based on the Bluetooth secret key. The bicycle parking process comprises the steps that the bicycle application receives a locked state sent by the Bluetooth lock, based on a triggered operation, a bicycle returning request is sent to the backstage management platform; the backstage management platform searches corresponding bicycle information based on the user information of the bicycle returning request, and matches with bicycle equipment information reported by all monitoring controllers, if the matching is successful, the bicycle returning is confirmed to be successful.
Owner:BEIJING SUREKAM CORP

Intelligent monitoring and early warning system for highway geologic hazards

InactiveCN105336120AMitigate hazards and emergenciesEnhance the ability of safe and smooth flowAlarmsData collectorGeologic hazards
The invention discloses an intelligent monitoring and early warning system for highway geologic hazards. The intelligent monitoring and early warning system comprises a moisture content collecting instrument, a rain gauge, video monitoring equipment, a displacement sensor, a data collector, a data processing unit and a monitoring unit. The moisture content collecting instrument is embedded into soil of a highway slope and used for collecting moisture content data of the soil of the highway slope. The rain gauge is fixedly arranged on the highway slope and used for collecting rainfall capacity data of the highway slope. The video monitoring equipment is arranged above the highway slope and used for collecting on-site video and image data of the highway slope. The displacement sensor is embedded into the soil of the highway slope and used for collecting surface displacement data of the soil of the highway slope. The data collector is in wireless connection with the moisture content collecting instrument, the rain gauge and the video monitoring equipment, and is connected with the displacement sensor and used for collecting the data. The data processing unit is connected with the data collector through the Ethernet and used for receiving the data. The monitoring unit is connected with the data processing unit and used for monitoring whether the data are abnormal or not. The system achieves high monitoring and early warning functions.
Owner:GUANGXI TRANSPORTATION SCI & TECH GRP CO LTD

Forward and reverse rotation control and implementation method of Magnus effect vertical-axis wind turbine rotor

The invention relates to a forward and reverse rotation control and implementation method of a Magnus effect vertical-axis wind turbine rotor. The method comprises a circular rail, a rail car, a cylindrical rotor, a rotor motor, a variable frequency speed adjuster, a speed sensor, a brake, buffer wheel energy storage mechanism, a buffer wheel displacement motor, a wind power sensor, a main controller, rotor direction identifiers and the like. The direction identifiers are arranged in such 36 areas as the circular rail; according to wind power signals, a reversing area of the cylindrical rotor on the rail is set online; after the rotor enters the reversing area, the displacement drives one buffer wheel to contact with the rotor; the rotating energy of the rotor is absorbed; then, the rotor is braked; the other buffer wheel reversely rotated is contacted with the rotor to reversely return the energy to the rotor; and the controller gradually improves the driving frequency through the variable frequency speed adjuster in the reversing area according to reverse rotation initial rotating speed obtained by the rotor, so that the rotor obtains reasonable acceleration to achieve the purpose of reducing the energy consumption in rotor steering.
Owner:苏州盛恒兴自动化设备有限公司

Vertical metal smelting device for alloy steel forging and casting

The invention discloses a vertical metal smelting device for alloy steel forging and casting. The vertical metal smelting device for alloy steel forging and casting comprises a high-temperature-resistant shell, wherein a first connector and a second connector are arranged in the middle of a connecting pipe; clamping slots are symmetrically formed in the outer sides of the first connector and the second connector; a filter screen is jointly arranged in the first connector and the second connector; an outer seal ring is jointly arranged on the outer sides of the first connector and the second connector; clamping blocks corresponding to the clamping slots are arranged on the inner side of the outer seal ring; and an inner seal ring corresponding to the filter screen is arranged on the inner side of the outer seal ring. According to the vertical metal smelting device for alloy steel forging and casting provided by the invention, through arranging the filter screen, metal particles in smokedust can be prevented from being discharged to cause the resource waste; and in addition, through taking off the outer seal ring and the inner seal ring on the outer sides of the first connector andthe second connector, the filter screen can be conveniently taken out so as to be conveniently cleaned and prevented from being blocked.
Owner:南通聚星铸锻有限公司

Catalyst performance evaluation device and catalyst performance evaluation method

The invention provides a catalyst performance evaluation device and a catalyst performance evaluation method. The catalyst performance evaluation device comprises a reaction system, a product separating and collecting system and a liquid supplementing tank, wherein the product separating and collecting system is located at the downstream part the reaction system; the liquid supplementing tank is used for supplementing a solvent to the reaction system. With the adoption of the liquid supplementing tank structure arranged in the catalyst performance evaluation device, a catalyst required by a gas-phase reaction can keep a slurry state with certain concentration in a reactor, so that the catalyst required by the gas-phase reaction is accurately evaluated; with the arrangement of the liquid supplementing tank, the problem of catalyst loss caused by the fact that the catalyst splashes and is bonded on the inner wall of a reaction kettle and cannot be remained in the slurry when the catalyst is stirred at the high temperature is solved to a certain extent. Therefore, with the arrangement of the liquid supplementing tank, the catalyst activity is sufficiently exerted, unnecessary loss of the catalyst is avoided, and a finally measured result about influence of the catalyst on the reaction efficiency is more accurate.
Owner:CHNA ENERGY INVESTMENT CORP LTD +2

Application of chickpea sprout extracts in medicines for preventing deficiency of estrogen

The invention relates to application of chickpea sprout extracts in medicines for preventing deficiency of estrogen. The chickpea sprout extracts are chickpea sprout isoflavone extracts, are used as estrogen receptor regulator, and are used for preparing medicines and health care products which are used for preventing or treating climacteric syndrome and osteoporosis. Tests show that the chickpea sprout isoflavone extracts can directly act onto the uterus of a patient, can remarkably increase estradiol level in blood serum, have regulating and controlling effects to a hypothalamus-hypophysis- neuroendocrine system, remarkably increase thighbone density and relative bone volume of an SD (Sprague Dawley) rat without the ovary, increase the thickness of bone trabecula, reduce separating degree of the bone trabecula, decrease the quantity of osteoclast, can alleviate bone loss of the thighbone of the rat due to the fact that the ovary of the rat is removed, increase bearing capacity of the thighbone, play an important role in regulating internal secretion conditions of middle-aged and elderly women after menopause, improving menopause symptoms such as hot flash, palpitate, skin dryness and the like and reducing possibility of osteoporosis, and lay a foundation in industrial development of functional factors of chickpeas.
Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI

Lithium-sulfur battery

The invention discloses a lithium-sulfur battery. The battery comprises a positive plate, a negative plate, a diaphragm and a liquid retention material; the positive plate comprises a current collector and a positive active material layer, and the positive active material layer comprises a sulfur-based positive active material; and the electrolyte is stored in the electrolyte retention material, and the electrolyte can be reversibly stored and released in the charging and discharging process of the electrolyte retention material. The lithium-sulfur battery comprises the electrolyte retention material, the electrolyte retention material can reversibly store and release the electrolyte in the charging and discharging process, the volume of the positive electrode is expanded along with the discharging process, the electrolyte retention material in the battery is gradually pressed, and the electrolyte is forced to be gradually released along with the discharging depth, so the excessive dissolution and loss of polysulfide in the discharge process under high liquid injection quantity are relieved, and the first discharge capacity of the battery is effectively improved. In addition, sufficient electrolyte in the electrolyte retention material can support normal charging and discharging circulation of the battery, and the problem of circulation diving under the condition of poor electrolyte is solved.
Owner:CHINA AVIATION LITHIUM BATTERY RES INST CO LTD

Culture wastewater resourceful concentration and recycling device and technology

The invention provides a culture wastewater resourceful concentration and recycling device and technology. The culture wastewater resourceful concentration and recycling device is characterized by comprising an anaerobic reactor, a filtering tank, an alkalinity regulating tank, a preheating tank, a condensation circulating groove and a film distillation assembly; a biogas slurry outlet of the anaerobic reactor is connected with the filtering tank, a biogas slurry of the filtering tank is connected with the alkalinity regulating tank, a biogas slurry outlet of the alkalinity regulating tank is connected with the preheating tank, the preheating tank is connected with the hot feed liquid side of the film distillation assembly, and the condensation liquid side of the film evaporation assembly is connected with the condensation circulating groove. The method and device have the advantages that biogas and biogas slurry obtained after preliminary anaerobic treatment of culture wastewater are sufficiently utilized, biogas slurry is concentrated and purified water is recycled through the film evaporation technology; biogas generated through anaerobism is adopted as a main energy source of the whole treatment technology, the technology system can be operated on the spot, and energy consumption of the system is lowered; ammonia nitrogen elements in the concentrated solution can be effectively stored.
Owner:DONGHUA UNIV

Washing pipe system of dry-method acetylene generator

The invention provides a washing pipe system of a dry-method acetylene generator and relates to the technical field of chemical equipment. The washing water inner circulation system of the dry-methodacetylene generator comprises the dry-method acetylene generator, a gas-phase scraper, a washing cooling tower, a residue water recycle pump, a gas pipe and a washing water pipe; one end of the gas-phase scraper is connected with the dry-method acetylene generator, and the other end of the gas-phase scraper is connected to the washing cooling tower through the gas pipe; one end of the residue water recycle pump is connected with the washing cooling tower through the washing water pipe, and the other end of the residue water recycle pump is connected with the a dry-method acetylene generator water injection spray nozzle and the gas-phase scraper. According to the washing pipe system of the dry-method acetylene generator, the washing water pipe is arranged to be the inner circulation system,then washing water of the generator is directly recycled, the problems of acetylene gas loss and environmental pollution in the prior art are solved, and the washing pipe system has the advantages ofenvironmental protection and energy consumption reduction.
Owner:重庆市映天辉氯碱化工有限公司

Locomotive signal system based on wireless sensor network and data source

The invention relates to a network database. The network database includes tracking train interval time data items. A locomotive signal system comprises an annunciator which is used for acquiring spatio-temporal data by a data source on the ground and simultaneously used as a sensor node and a management object of a wireless sensor network to cooperate with a networking annunciator in a network coverage area to monitor the annunciator and generate a locomotive signal of the annunciator and a data source which is used for monitoring the event that the train arrives at the geographic position ofthe data source, generating spatio-temporal data and outputting the spatio-temporal data to the annunciator on the train; a database comprises geographic position element identification code data items used for describing attributes of geographic positions where train operation lines are located, length data items used for describing attributes of the train operation lines between the geographicpositions where the train operation lines are located, and length data items used for describing attributes of the train operation lines. A train working diagram includes tracking train interval timedata items. The system is advantaged in that the train can autonomously and credibly obtain the position and speed information of an adjacent train to control autonomy and driving safety.
Owner:虞萍

Digital resource acquisition method and system for mobile communication equipment

The invention provides a digital resource acquisition method for mobile communication equipment. The method comprises the following steps of: forwarding an encrypted downloading address to the mobile communication equipment through a fee processing platform at a web service background, and then monitoring whether the web service background receives a downloading request of the mobile communication equipment in predetermined time; and if the web service background does not receive the downloading request of the mobile communication equipment, actively sending the encrypted downloading address or contents to the mobile communication equipment till the mobile communication equipment downloads the resources successfully. Correspondingly, the invention provides a digital resource acquisition system. The method and the system can effectively solve possible abnormal problems in the digital resource transmitting process, and enhance timeliness and robustness of services. Moreover, the downloaded resources are decrypted by overall encrypted transmission data, abstract verification, digital rights management (DRM) certificate and local stored numbers, and security of the services and force of copyright protection can be effectively ensured.
Owner:PEKING UNIV FOUNDER GRP CO LTD +1

Preparation method of negative electrode of lithium ion battery

The present invention provides a lithium ion battery negative electrode preparation method. The preparation method comprises the steps: providing a first graphite material, a second graphite material and a third graphite material, wherein the average particle size D1 of the first graphite material is 2.2-2.4 microns, and the average particle size D2 of the second graphite material is equal to k1 * D1, k1 is in the range of 1.42 to 1.45, the average particle size D3 of the third graphite material is equal to k2 * D1, and k2 is in the range of 0.56 to 0.58; mixing a first graphite material, a second graphite material and a third graphite material according to a preset mass ratio, wherein the first graphite material: the second graphite material: the third graphite material is 1: (c1 * k1): (c2 * k2), and c1 is 0.56, and c2 is 0.82; adding a binder, a graphite material and a conductive agent into deionized water in sequence to obtain negative electrode slurry, coating a negative electrode current collector with the negative electrode slurry, performing drying, carrying out hot pressing to obtain a pole piece, putting the pole piece and a counter electrode lithium piece into an electrolyte, carrying out electrochemical lithium pre-embedding, taking the pole piece out of the electrolyte, and performing drying to obtain the negative electrode. The negative electrode obtained by the preparation method disclosed by the invention is high in energy density and long in cycle life.
Owner:JIANGSU SUNPOWER
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