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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 25. Отображено 25.
23-05-2023 дата публикации

Method for efficiently preparing voltage-dependent calcium ion channel cell model

Номер: CN116144705A
Принадлежит:

The invention belongs to the field of cell biology, and particularly discloses a method for efficiently preparing a voltage-dependent calcium ion channel cell model. The invention discloses a group of vectors for co-expressing human Cav1.2 calcium ion channel protein and a method for efficiently preparing a voltage-dependent calcium ion channel cell model on the basis of the vectors. Through the induction of doxycycline, the cell line disclosed by the invention has the characteristics of stable expression and functional human Cav1.2 calcium ion channel. The invention provides a substitute cell line except human myocardial cells, namely a Cav1.2 calcium ion channel expression HEK293T cell line, which is used for effective and economic drug in-vitro heart safety evaluation.

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23-07-2014 дата публикации

Multifunctional horizontal rotating opening type inspection well lid and opening method

Номер: CN103938655A
Принадлежит:

The invention relates to a multifunctional horizontal rotating opening type inspection well lid and an opening method, and belongs to the technical field of inspection well lid equipment. According to the technical scheme, the multifunctional horizontal rotating opening type inspection well lid comprises a well lid base (1), H-shaped pins (4), a well lid body (5), a screw pin and a T-shaped anti-theft lock, a T-shaped guide groove (2) is formed in the well lid base (1), the well lid body (5) is connected with the well lid base (1) through the screw pin, the screw pin penetrates through the T-shaped guide groove (2), a rubber gasket (14) is arranged between the contact faces of the well lid body (5) and the well lid base, two or more H-shaped pins (4) are arranged on the well lid body (5) in the circumferential direction, and the T-shaped anti-theft lock matched with the T-shaped guide groove in shape is arranged on the T-shaped guide groove. The multifunctional horizontal rotating opening ...

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18-03-2015 дата публикации

Method and system for performing data time synchronization on multi-path monitor

Номер: CN104426646A
Автор: LI ZHENCHENG, WANG BO
Принадлежит:

The embodiment of the invention provides a method and a system for performing data time synchronization on a multi-path monitor. The method mainly comprises the following steps that a synchronizer performs data time synchronization by respectively using a synchronous protocol and each monitor and determines an initial synchronization time stamp corresponding to each monitor; after the synchronizer receives a data frame transmitted by the each monitor, and the synchronization time stamp of the data frame is calculated according to the time stamp carried in the data frame and the initial synchronization time stamp corresponding to each monitor; the synchronizer sets the synchronization time stamp into the data frame and transmits the data frame with the synchronization time stamp. According to the embodiment of the invention, date time synchronization is performed by the synchronizer by respectively using a synchronous protocol and each monitor, so that data time of the multi-path monitor ...

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07-10-2015 дата публикации

High efficiency blendor

Номер: CN0204685009U
Принадлежит:

... (B, ) the utility model discloses a high efficiency blendor, constitute including support frame (1), agitator (2) and setting feeder hopper (14) on agitator (2) of setting on support frame (1), support frame (1) is gone up and is equipped with gear motor (4) through installation pole (3), output shaft (5) the tip of gear motor (4) is equipped with axis of rotation (6) of installing in agitator (2), to being equipped with short stirring piece (7) down in proper order on axis of rotation (6) follow, well stirring piece (13) and long stirring piece (12), be equipped with on the short stirring piece (7) through -hole (16), be equipped with circular separation blade (8) on output shaft (5), evenly be equipped with a plurality of blades (9) on circular separation blade (8). The utility model discloses can avoid the powder to get into the motor, prolong the life of motor, can also improve stirring effect. (B, ) ...

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12-10-2011 дата публикации

Supporting structure and opaque projector applying same

Номер: CN0101866103B
Принадлежит:

The invention discloses a supporting structure and an opaque projector applying the same. The supporting structure is formed by clamping a plurality of columnar joints, wherein each columnar joint comprises a columnar joint body and a columnar head and a columnar cavity which are formed at the two ends of the columnar joint body; the columnar join body, the columnar head and the columnar cavity are provided with wire rod passages for wire rods to pass through; and the columnar cavity is clamped with another corresponding columnar head to allow the columnar joints to rotate relatively to each other along the radial direction of the columnar head. The opaque projector applying the supporting structure is also disclosed.

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04-12-2002 дата публикации

Efficient wet process for pretreating raw material

Номер: CN0001382866A
Принадлежит:

An efficient wet technology for preparing raw material (straw) uses such technological units as conveying belt, sand and stone catcher, hydraulic breaker, screw pump, the second sand and stone catcher, screw dewatering unit, metering unit, efficient dewatering screw, screw feeder and T-shaped digestion pipe.

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18-08-1993 дата публикации

Fuel-burning device suited for gas and liquid fuels

Номер: CN0001075360A
Автор: ZHENCHENG LI, LI ZHENCHENG
Принадлежит:

The cooking stove includes mutually connected internal and external burners and carburetor, the external burner is of toroid type and surrounds the internal burner, the carburetor is also toroid in shape and is located between the internal and external burners, it also includes hollow pipe pieces for fuel inlet and outlet, the accessories include pipes connected to the fuel inlet and outlet of the carburetor; it features good fuel gasification, sufficient combustion, high combustion efficiency, and is suitable for various gas and liquid fuel.

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08-07-2009 дата публикации

Ball shaped joint construction

Номер: CN0101478125A
Принадлежит:

The invention relates to a ball joint structure, which comprises a ball socket, a ball joint arranged in the ball socket, a plurality of adjustable elastic screws, and a stop mechanism. The adjustable elastic screws are locked and attached to the ball socket to provide clamping force so that the ball joint is tightly joined with the ball socket. The stop mechanism comprises a groove formed on the internal surface of the ball socket, and salient points arranged on the external surface of the ball joint. When the ball joint turns relative to the ball socket, the salient points move in the groove.

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09-05-2023 дата публикации

Active power distribution network medium-voltage distribution line fault positioning method and system

Номер: CN116087750A
Принадлежит:

The invention relates to an active power distribution network medium-voltage distribution line fault positioning method and system, and belongs to the technical field of medium-voltage distribution network line fault positioning methods and systems. According to the technical scheme, distribution automation terminals installed on a section switch, a branch line switch and a boundary switch at the tail end of a line of an existing distribution automation system are used for collecting voltage and switch state information after a fault, and the position of a fault point is estimated on the basis of fault section positioning. The method has the advantages that other secondary equipment does not need to be added, implementation is easy, and the cost performance is higher; the method can guide the first-aid repair work, reduces the repair time after the fault, reduces the fault power failure time, and improves the power supply reliability.

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16-07-2014 дата публикации

Current and carrying capacity online monitoring and fault diagnosing and locating method for cable protection layer

Номер: CN103926510A
Принадлежит:

The invention relates to a current and carrying capacity online monitoring and fault diagnosing and locating method for a cable protection layer, and belongs to the technical field of online monitoring and fault diagnosing and locating for power cables. According to the technical scheme, current data are collected by protection layer current sensors and a carrying capacity sensor synchronously and are uploaded to a data management platform through a communication network; state monitoring data are collected regularly, automatically processed and temporarily or permanently stored by the data management platform and are displayed on a monitoring center screen in real time, and various data reporting functions are provided; real-time protection layer current data in a database management platform are extracted and compared with an expected value by a fault diagnosing system; warning information is provided to cable operation maintaining personnel through an alarm unit once a fault in the cables ...

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13-08-2014 дата публикации

Voltmeter and voltmeter pen special for protecting pressure plate

Номер: CN103983831A
Принадлежит:

The invention relates to a voltmeter and a voltmeter pen special for protecting a pressure plate and belongs to the technical field of electric power detection devices. According to the technical scheme, a data collecting module (12), an analog-digital conversion module (13), a single-chip microcomputer (14), a function self-detection module (15), a data display module (16) and a voice broadcasting module (17) are arranged in the voltmeter (1). A voltmeter display screen (2), a horn (3), a self-detection button (4), a power switch (5), a voltmeter pen negative electrode jack (6) and a voltmeter pen positive electrode jack (7) are arranged on the outer surface of the voltmeter. According to the voltmeter and the voltmeter pen special for protecting the pressure plate, the defects that when an existing universal meter is used for measuring the voltage across the two ends of the pressure plate, a wrong gear may be used, a grounding point is not easily fixed, reading is not easily observed ...

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02-09-2015 дата публикации

Wireless monitoring system of electrified multiplexer utensil storehouse humiture

Номер: CN0204612767U
Принадлежит:

The utility model relates to a wireless monitoring system of electrified multiplexer utensil storehouse humiture belongs to overhead transmission line live working multiplexer utensil storehouse indoor temperature and the humidity short distance wireless monitoring technical field of system. Technical scheme is: temperature sensor (1), humidity transducer (2) set up in electrified multiplexer utensil storehouse, interconnect with terminal node (3) respectively, and terminal node, router node (4), coordinator node (5) connect gradually through wireless network, and the coordinator node passes through serial port communication data line (6) and interconnects with display alarm ware (7). The utility model discloses the wiring is loaded down with trivial details in the time of can removing the installation of wired monitored control system from, accessible time carries out acousto -optic warning after multiplexer utensil storehouse indoor temperature and humidity value overshoot scope, and ...

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30-05-2023 дата публикации

Method for recovering power supply of fault trunk line in instantaneous quick-break protection area of transformer substation

Номер: CN116191376A
Принадлежит:

The invention relates to a method for recovering power supply of a fault trunk line in an instantaneous quick-break protection area of a transformer substation. According to the technical scheme, the length of a protection area is calculated according to a substation outlet circuit breaker instantaneous quick-break protection constant value; according to the length of the instantaneous quick-break protection area and the reliability coefficient, the protection range of instantaneous quick-break protection of the transformer substation is determined; and configuring a reclosing strategy for branches and boundaries within the range of the instantaneous quick-break protection area of the outlet circuit breaker of the transformer substation. The method has the advantages that different protection and reclosing configuration strategies are adopted on internal and external line branches and boundary switches of the instantaneous quick-break protection area, power distribution network fault nearby ...

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15-08-2023 дата публикации

Converter and power distribution network electric energy quality interactive processing method and device

Номер: CN116595699A
Принадлежит:

The invention provides a converter and power distribution network power quality interactive processing method and device, and the method comprises the steps: obtaining the basic parameters of a converter and the basic parameters of a power distribution network, and determining a plurality of power quality influence models according to the basic parameters of the converter and the basic parameters of the power distribution network; establishing a converter and power distribution network power quality interaction model by using the power quality influence model; wherein the current converter and power distribution network power quality interaction model is used for performing quantitative analysis processing of power quality interaction on the power distribution network comprising the current converter. According to the method, quantitative electric energy quality interaction analysis is carried out on the low-voltage distribution network comprising the power electronic converter, the electric ...

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07-07-1993 дата публикации

Constant-pressure liquid fuel tank

Номер: CN0001073918A
Автор: ZHENCHENG LI, LI ZHENCHENG
Принадлежит:

The constant-pressure storage cylinder of liquid fuel is composed of steel cylinder, inner container and its cap, oil delivery pipe, constant-pressure unit and other accessories. The steel cylinder is divided into upper and lower halves. Valve base on the mouth of steel cylinder is used for installing fuel control valve connecting oil delivery pipe. The inner container of liquid fuel is around by the lower halves and is connected with valve and oil delivery pipe. On stressed, it may be adjusted in conjuction with oil delivery pipe to telescope mutually in invers proportion. The said constant-pressure unit has two types, each of which can ensure that no air exists in inner container full of fuel, so eliminating the potential explosion danger.

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18-08-2023 дата публикации

Power distribution network power quality evaluation method, device and system

Номер: CN116613823A
Принадлежит:

The invention discloses a power distribution network power quality evaluation method, device and system, and the method comprises the steps: determining a current power quality index according to the obtained real-time current amount, and determining a voltage power quality index according to the obtained real-time voltage amount; obtaining a preset access capacity value of the distributed energy, taking the current electric energy quality index and the voltage electric energy quality index as electric energy quality indexes, and performing fitting processing on the access capacity value and the electric energy quality indexes to obtain a linear function; and adjusting the access capacity value until the electric energy quality index reaches a preset threshold value, and taking the access capacity value at the moment as an electric energy quality evaluation result. The method can measure the electric energy quality level of the low-voltage power distribution network, screens out the power ...

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20-10-2010 дата публикации

Supporting structure and opaque projector applying same

Номер: CN0101866103A
Принадлежит:

The invention discloses a supporting structure and an opaque projector applying the same. The supporting structure is formed by clamping a plurality of columnar joints, wherein each columnar joint comprises a columnar joint body and a columnar head and a columnar cavity which are formed at the two ends of the columnar joint body; the columnar join body, the columnar head and the columnar cavity are provided with wire rod passages for wire rods to pass through; and the columnar cavity is clamped with another corresponding columnar head to allow the columnar joints to rotate relatively to each other along the radial direction of the columnar head. The opaque projector applying the supporting structure is also disclosed.

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11-02-2015 дата публикации

Method and system for configuring parameters for on-board unit

Номер: CN104346193A
Автор: LI ZHENCHENG
Принадлежит:

The embodiment of the invention provides a method and a system for configuring parameters for an OBU (On-Board Unit). The method mainly comprises the steps that an upper computer transmits a channel operation instruction in an ETC (Electronic Toll Collection) system to issuing equipment in the ETC system, wherein the channel operation instruction carries instruction data for configuring hardware parameters of the OBU; the issuing equipment transmits the channel operation instruction to the OBU, and the OBU acquires the instruction data for configuring the hardware parameters of the OBU in the channel operation instruction and configures the hardware parameters by using the instruction data. According to the embodiment of the invention, the channel operation instruction in an existing ETC DSRC (Dedicated Short Range Communications) air signal protocol is expanded by flexibly using the existing ETC DSRC air signal protocol, and the hardware parameters of the OBU are automatically configured ...

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18-03-2015 дата публикации

Programmable interface of roadside unit in ETC (electronic toll collection) system and implementation method of programmable interface

Номер: CN104423952A
Автор: LI ZHENCHENG, LIU YANG
Принадлежит:

An embodiment of the invention provides a programmable interface of a roadside unit in an ETC (electronic toll collection) system and an implementation method of the programmable interface. The interface comprises a logic communication processing module, a code loading module, a code execution module and a code debugging module. The logic communication processing module performs logic communication with a schedule kernel of the roadside unit through a logic communication channel, and a user defined code transmitted from the schedule kernel through the logic communication channel is transmitted to the code loading module; an execution result of the user defined code transmitted from the code execution module is transmitted to the schedule kernel of the roadside unit; the code loading module loads the user defined code to be executed and performs validation on the user defined code. The programmable interface of the RSU (roadside unit) has the advantages of flexibility of a transparent transmission ...

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18-06-2014 дата публикации

On-line water level monitoring method and system for underground high-voltage power tunnel

Номер: CN103868564A
Принадлежит:

The invention relates to an on-line water level monitoring method and an on-line water level monitoring system for an underground high-voltage power tunnel, and belongs to the technical field of power monitoring equipment. According to the technical scheme, the on-line water level monitoring system comprises an upper computer (1), one or more than one monitoring host unit (2), water level monitoring devices (3) and water level probes (14), wherein each monitoring host unit is connected with more than one water level monitoring device; each water level monitoring device is connected with more than one water level probe; the upper computer is connected with each monitoring host unit through a TCP/IP (transmission control protocol/internet protocol) Ethernet interface; each monitoring host unit is connected with the water level monitoring devices through a pair of low-smoke halogen-free flame-retarding communication cables. The on-line water level monitoring system for the underground high-voltage ...

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15-08-2023 дата публикации

Method and device for determining dynamic characteristics of photovoltaic inverter system

Номер: CN116599138A
Принадлежит:

The invention provides a photovoltaic inverter system dynamic characteristic determination method and device, and the method comprises the steps: obtaining basic parameters of a photovoltaic inverter system, and determining a time domain dynamic characteristic model of the photovoltaic inverter system according to the basic parameters of the photovoltaic inverter system; determining a control loop transfer function of the photovoltaic inverter system according to the basic parameters; performing linearization processing on a nonlinear link in the time domain dynamic characteristic model of the photovoltaic inverter system to obtain a time domain dynamic characteristic model after linearization processing; obtaining a dynamic output characteristic model of the photovoltaic inverter system by using a control loop transfer function and the linearized time domain dynamic characteristic model; the dynamic output characteristic model is used for determining the dynamic characteristics of the ...

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01-08-2023 дата публикации

Establishment method of RPE65 gene editing model dog

Номер: CN116515908A
Принадлежит:

The invention relates to an establishment method of an RPE65 gene editing model dog, an obtained RPE65 gene knockout model dog and cells, tissues and organs thereof. Congenital amaurosis presented by the model dog belongs to primary symptoms, and the model dog is long in clinical phenotype duration, high in stability and hereditary.

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28-05-2008 дата публикации

Circulatory utilization method for straw washing water

Номер: CN0101186397A
Принадлежит:

The invention relates to a recycling method of straw washing water in the technical field of industrial wastewater recycling. The technical proposal is that the straw washing water finally enters a water collecting basin after being continuously precipitated in 2-5 sedimentation basins; flocculant is added in a drainage process between the adjacent sedimentation basins and water after being clarified is conveyed into a straw washing basin from the water collecting basin. The invention has the effects that the effluent from straw washing is reused for washing straw instead of being drained to bleached water by adopting the recycling method so as to realize water recycling and achieve 'zero' emission of effluent from straw washing.

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16-12-2015 дата публикации

Can give off light to well with theodolite center stake

Номер: CN0204881635U
Принадлежит:

The utility model relates to a can give off light to well with theodolite center stake belongs to overhead transmission line design surveying, constructional survey instrument technical field. Technical scheme is: contain conical body (1), centre bore (2), base (3), wireless LED lamp circuit arrangement (4) and remote controller (5), centre bore (2) set up in the top center of conical body (1), and base (3) are equipped with horizontal structure, set up in the bottom of conical body (1), and wireless LED lamp circuit arrangement (4) sets up in the inside of conical body (1), with centre bore (2) interconnected, and remote controller (5) and wireless LED lamp circuit arrangement's (4) switch phase -match. The beneficial effects of the utility model are that: the conical body that adopts nimble, convenient bottom surface level replaces the former stake of using, sets up light emitting structure simultaneously in the conical body, and effective drawbacks such as measuring place unable nail ...

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22-04-2015 дата публикации

Direct-current switch

Номер: CN104538254A
Принадлежит:

The invention relates to a direct-current switch comprising a relay and a relay control module. The relay control module comprises an MCU which is in control connection with a coil of the relay and is sampling connection with a current sensor and a voltage sensor. The current sensor is used for measuring the current flowing through a contact loop of the relay, and the voltage sensor is used for measuring the input voltage of the direct-current switch. The current state and voltage state of the direct-current switch can be visually monitored in real time, so that the operating state of the direct-current switch can be known visually, and furthermore, the power consumption can be calculated based on the voltage and current values.

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