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12916results about How to "Flexible use" patented technology

Design method for distributed hydrological model by using grid as analog unit

The invention discloses a design method for a distributed hydrological model by using a grid as an analog unit, which is called as ESSI for short. The design method comprises the following steps of: obtainment of a distributed parameter: converting vector data into grid data; generalization of a watershed hydrological process: establishing a universal runoff generating type for the grid; design of a runoff generating process: respectively computing the water-quantity distributing condition of each part according to different prior-period soil water conditions; design of a flow collecting process: respectively designing a Muskingum-Cunge method, a delay algorithm and a riverway segmentation Muskingum method for the flow collecting process computation of the model under different conditions; and model development and integration. The invention not only can finish the watershed hydrological process simulation at an arid region and a humid region, but also can realize the short-term flood forecast and the long-term rainfall-runoff process simulation and prediction of a watershed by using modularization and integration ideas as means, thereby providing scientific reference bases for deeply learning about the physical mechanism of water circulation by people, reducing the drought and water-logging disasters and reasonably developing and utilizing water resources.
Owner:NANJING UNIV

Electrically-driven ultra-large-displacement well cementation equipment

The invention discloses electrically-driven ultra-large-displacement well cementation equipment. The electrically-driven ultra-large-displacement well cementation equipment comprises a first loading body and a second loading body; an auxiliary motor, a main motor, a clear water module, a pumping module, a control module, a hydraulic module and a mixing module are fixedly loaded on the first loading body; and a frequency converter module is fixedly loaded on the second loading body. The electrically-driven ultra-large-displacement well cementation equipment has the beneficial effects that the main motor is adopted to drive a plunger pump, torque converters are reduced, the layout space of the whole vehicle is increased, the auxiliary motor is adopted to drive a whole vehicle hydraulic system, and the number of driving motors is reduced; the frequency converter module and the well cementation equipment are loaded separately, the loading requirement is lowered, the structure is simpler, the occupied space is reduced, one frequency converter module can supply power to all the modules on the multiple first loading bodies at the same time, and use is flexible; and the main motor, the auxiliary motor and the hydraulic heat dissipation device are intensively distributed on the front portion of the first loading body, wiring is simple, connection is convenient, heat dissipation of equipment is intensively achieved, scalding accidents of workers in the operation process are avoided, and operation safety is improved.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Electric drive fracturing semi-trailer of frequency conversion integrated machine

The invention discloses an electric drive fracturing semi-trailer of a frequency conversion integrated machine. The optimization and integration of the traditional power supply semi-trailer and the fracturing semi-trailer realize the functions of power supply and fracturing of one semi-trailer without using the complete set of the power supply semi-trailer and the fracturing semi-trailer, the electric drive fracturing semi-trailer is more flexible in actual use, and the well field layout of oil and gas fields is greatly optimized; the transportation is convenient; only a set of high-voltage cables can be connected with the high-voltage power supply to reach a working state, and the wiring installation is faster; compared with diesel-driven fracturing, and the noise of the electric drive fracturing is low without exhaust emission pollution; the driving source is power, which has lower cost than the diesel; the electric drive fracturing semi-trailer adopts an integrated design of a motorand a frequency converter (namely, the frequency conversion integrated machine), the space occupied by the electric motor and the inverter in the prior art is reduced effectively, so the installing part of the electric drive fracturing semi-trailer has smaller volume and the transportation is more convenient, and can also provide space guarantee for installing other equipment on the semi-trailerbody.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Mobile communication network system supporting virtual SIM card and authentication method thereof

The invention provides a mobile communication network system supporting a virtual SIM card and the authentication method thereof. Based on a current mobile communication network system, function modules are arranged on a mobile terminal, an authentication center and a call center service system; a password card is introduced to support the registration, the authentication, the network use and the expense computation of a virtual SMI card; programs and functions realized by the real SIM card are realized by the mobile terminal; account information is written into the mobile terminal through a mobile communication network by the local retrofit and the program updating to mobile network equipment, and an account is not activated by selling the real SIM card. The invention realizes the reduction of roaming fees and the reduction of the consumption of the SIM card in the transnational or trans-provincial or trans-municipal application, thereby reducing the waste of the resource. The invention provides a convenient, flexible, safe mode of using mobile phones in different places. To adopt the mobile communication network system supporting the virtual SIM card contributes to the realization of new functions of the mobile terminal and the decrease of the cost, and ensures that the popularization of the new functions gets easier.
Owner:江西代邦科技有限公司

Mobile terminal supporting virtual SIM card and its user identity authentication method

The invention provides a mobile terminal supporting a virtual SIM card and the user identity authentication method thereof. Programs and functions realized by the prior real SIM card are realized by a mobile terminal; account information is written into the mobile terminal through a mobile network by means of a password card as well as the local retrofit and the program updating to mobile network equipment; and an account is not activated by selling the real SIM card. The invention realizes that the mobile terminal supporting a virtual SIM card can simply use local mobile networks to communicate by purchasing one password card in other countries or across provinces or municipalities, thereby reducing roaming fees, reducing the consumption of the SIM card, reducing the waste of the resource, and reducing customer complaints brought by the incompatibility of the mobile terminal and the SIM card. The invention provides a convenient, flexible, safe mode of using mobile phones in different places. The mobile terminal supporting the virtual SIM card is advantageous to the realization of new functions of the mobile terminal and the decrease of the design cost, and ensures that the popularization of the new functions gets easier.
Owner:江西代邦科技有限公司

Method for designing AES (Advanced Encryption Standard) encryption chip based on FPGA (Field Programmable Gate Array) and embedded encryption system

The invention discloses a method for designing an AES (Advanced Encryption Standard) encryption chip based on an FPGA (Field Programmable Gate Array), which is designed for aiming at the requirement of an embedded system. The AES encryption chip not only can be used in a manner of a solid chip but also used in a manner of a software module. Three operation modes of ECB (Electronic Code Book), CBC (Cipher Block Chaining) and CTR (Counter Technical Requirement) are supported simultaneously. All standards of the AES can be encrypted and decrypted. The byte replacement and the key expansion are carried out by using a look-up table optimization algorithm. A column mixed optimization structure is provided. Device resources are saved while the operation speed is ensured. An RAM (Random-Access Memory) can be configured as a cache of information and a key through double ports of the FPGA. A problem for storing a time sequence and data of other devices or equipment and the FPGA is resolved. Safe and reliable communication with an FPGA interface joins CRC (Cyclic Redundancy Check) error detection in a manner of a memory bus. The AES encryption chip has the advantages of high safety, high encryption and decryption speeds, low device resource requirement, low cost and the like. The AES encryption chip can be widely used in information technology industries of intelligent card systems, ATMs (Automatic Teller Machines), wireless local area networks, wireless sensor networks and the like.
Owner:BEIHANG UNIV

Combined test apparatus for coal and gas burst

The invention discloses a comprehensive experimental device for the coal and gas burst, comprising a coal sample chamber, a terrestrial stress simulation loading system and an atmospheric pressure loading device, wherein the terrestrial stress simulation loading system is provided with a force applying capsule and a loading device in a sealed container, the atmospheric pressure loading device is provided with an atmospheric pressure loading channel that communicates with the wall interlayer of the capsule, the loading device comprises at least two loading blocks, the coal sample chamber is enclosed by the loading blocks between which a gap is arranged, and the force applying capsule is sleeved at outside of the coal sample chamber. According to the experimental result observed by a pressure acquisition device and a camera, the invention is capable of simultaneously inspecting the actions of the gas pressure and terrestrial stress in the initiation, start and development of the coal and gas burst through the simulation of coaction of the terrestrial stress and atmospheric pressure to provide the theoretical foundation of forecasting and preventing the coal and gas burst; during the use, the pressure value is capable of being regulated to observe the experimental results under different pressure and the simulation of terrestrial stress or gas pressure only, so that the device is flexible in use.
Owner:CHONGQING INST OF COAL SCI RES INST +1

Comprehensive advance geological detection system carried by tunnel boring machine

The invention discloses a comprehensive advance geological detection system carried by a tunnel boring machine. The comprehensive advance geological detection system comprises a multifunctional combination main frame, an induced polarization detection device, an earthquake wave detection device, an integrated junction device, a drilling geological radar detection device and a comprehensive interpretation decision system. The multifunctional combination main frame comprises a time division multiplexing control module, an excitation source control module and a parallel data collecting module. The excitation source control module outputs trigger signals to the three detection devices respectively, the three detection devices respectively output measurement data and feedback signals to the time division multiplexing control module through the parallel data collecting module. The comprehensive interpretation decision system supports geological interpretations and decisions through the inversion / migration imaging joint inversion of three detection methods. The detection system greatly improves the automation degree and detection speed of detection equipment on the tunnel boring machine, and multiple kinds of detection equipment can be carried by the tunnel boring machine.
Owner:山东百廿慧通工程科技有限公司

Payment method of offline charging equipment based on mobile terminal

The invention discloses a payment method of offline charging equipment based on a mobile terminal. The payment method comprises the following steps: inputting a charging starting command on a charging pile, generating a unique starting request two-dimensional code by a control unit encryption algorithm of the charging pile and displaying the unique starting request two-dimensional code on a screen, scanning the unique starting request two-dimensional code by the mobile terminal, and sending the unique starting request two-dimensional code to a service center; receiving a starting request by the service center, performing decryption, generating a transaction response identifying code, scanning the transaction response identifying code by the charging pile, decrypting and verifying the legality of the transaction response identifying code, unlocking a charging gun after the verification is passed, starting charging, and transmitting the cost to the service center; and generating a payment two-dimensional code from the payment information by means of the encryption algorithm by using the charging pile and displaying the payment two-dimensional code in the screen, scanning the payment two-dimensional code on the screen, communicating with a transaction center and performing payment, sending payment information to the service center after the payment is completed, and connecting the service center with the transaction center for verifying the authenticity of the payment information. The payment method is high in safety, flexible to use, and high in popularization value.
Owner:SHANDONG LUNENG SOFTWARE TECH
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