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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 31. Отображено 31.
09-02-2012 дата публикации

PHOTOVOLTAIC MODULE SUPPORTER AND PHOTOVOLTAIC MODULE

Номер: WO2012016348A1
Принадлежит:

A photovoltaic module supporter and a photovoltaic module are provided. The photovoltaic module (200) comprises a photovoltaic cell laminate (1) and a supporter (2) used for being fixed to a mounting surface, wherein, the supporter is connected to the back of the photovoltaic cell laminate, and the supporter comprises a first connection part (22) and a second connection part (26), the first connection part is close to the front side of the photovoltaic cell laminate, the second connection part is close to the rear side of the photovoltaic cell laminate. When multiple photovoltaic modules are fixed to the mounting surface, the first connection part of one photovoltaic module and the second connection part of another photovoltaic module adjacent are joined together, so as to keep the relative positions of one photovoltaic module and another photovoltaic module adjacent, and fix multiple photovoltaic modules on the mounting surface. The photovoltaic module supporter and the photovoltaic module ...

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09-02-2012 дата публикации

PHOTOVOLTAIC SYSTEM AND ITS WIND DEFLECTOR

Номер: WO2012016349A1
Принадлежит:

A wind deflector structure of a photovoltaic system and a photovoltaic system (100) are provided. The photovoltaic system (100) comprises photovoltaic modules (200) and the wind deflector structure. The photovoltaic modules (200) include a photovoltaic cell laminate (1) and supports (2), the supports (2) are mounted on the photovoltaic cell laminate (1). When the photovoltaic modules (200) are installed on the mounting surface, the front edge of the photovoltaic cell laminate (100) is near the mounting surface, and the rear edge of the photovoltaic cell laminate (100) is away from the mounting surface. The wind deflector structure is mounted near the rear edge of the photovoltaic cell laminate (100), and closes off the space between the rear edge of the photovoltaic modules (200) and the mounting surface. The wind deflector structure is fixed on the support (2) of at least two adjacent photovoltaic modules (200) side by side on the left and right direction and limits the relative position ...

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16-02-2012 дата публикации

SMART PHOTOVOLTAIC SUBASSEMBLY AND PHOTOVOLTAIC SYSTEM

Номер: WO2012019401A1
Принадлежит:

A smart photovoltaic subassembly and a photovoltaic system. The subassembly includes an installation board (50) and a current-leading out-terminal connector (54). The current-leading out-terminal connector is fixed on the installation board to plug in an electronic equipment. The installation board is fixed on the back of the main body (70) of the photovoltaic subassembly. The current-leading out-terminal connector is provided with a first connector interface (541) and the electronic equipment is provided with a second connector interface (611) to couple with the first connector interface. The current-leading out-terminal connector connects with the electronic equipment electrically through the first connector interface and second connector interface connecting with each other. The photovoltaic system includes the smart photovoltaic subassembly and the electronic equipment. According to the demand of the user, the electronic equipment may be a diode module, a voltage conversion equipment ...

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09-02-2012 дата публикации

SOLAR CELL MODULE FRAME AND SOLAR CELL MODULE WITH SAID FRAME

Номер: WO2012016407A1
Принадлежит:

A frame of solar cell module includes a module slot (1) and a sidewall (2). The module slot (1) includes an upper cavity surface (11) and a lower cavity surface (12) which connect the upper part of the sidewall (2). An obtuse angle is formed between the sidewall (2) and the bottom (121) of the lower cavity surface (12). A Stow platform (3) for stowing another solar cell module frame is arranged under the lower cavity surface (12). The bottom surface (31) of the stow platform (3) parallels with the bottom surface (121) of the lower cavity surface (12). A solar cell module is disclosed, wherein said frame is installed on the four sides of the solar cell module. Using the frame can make the solar cell stow stable and increase space utilization in packaging and transportation to reduce the cost of the packaging and transportation. In addition, the unique setting of bottom and side can make the assembly of the solar cell module fast and stable.

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07-05-2015 дата публикации

ICU NURSING UNIT COMBINATION PENDANT

Номер: WO2015062368A1
Автор: CHEN, Zhiliang, YANG, Xuwu
Принадлежит:

An ICU nursing unit combination pendant, easily installable within an existing ICU ward, and provided with a ceiling shield assembly (1), a nursing pendant rotating arm assembly (2), and a monitoring pendant rotating arm assembly (7), used for arranging a nursing pendant (3), liquid medicine pump frame pendants (5), a monitoring pendant (8), a lighting system assembly (6) and a digital information system on the lower part of the ICU combination pendant. One or a plurality of movable joints and rotating arms are fixedly or movably installed beneath the ceiling shield assembly, and rotate axially to support operation and use. The purpose of the present invention is to combine a plurality of independent and mutually matched functional pendant areas to meet the service requirements of medical personnel in an ICU ward, enabling the ICU nursing unit combination pendant to highlight various nursing professional standards within a clinical treatment process in an ICU ward, in addition to providing ...

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28-04-2011 дата публикации

JUNCTION BOX FOR SOLAR BATTERY MODULE

Номер: WO2011047543A1
Принадлежит:

A junction box for a solar battery module comprises a box cover (10), a box body (3) and at least two control circuits (2) placed inside the box body (3), and the control circuits are not connected electrically with each other directly. The control circuit (2) includes a diode. Each control circuit (2) is connected in parallel with at least a by-pass which is formed by connection of solar battery module units in series in the solar battery module (9). A heat dissipating part (4) is provided on the box cover (10) and a cable connecting piece is provided on the box body (3). The diode is connected with the heat dissipating part (4) by a connecting part which is made of insulating material with good thermal conductivity. The junction box can save cable connecting wires, improve system installation efficiency, have a good heat dissipating effect and reduce the quantity of the junction box used in the solar battery module which has many by-passes.

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28-04-2023 дата публикации

Bridge static load experiment simulation pressurization equipment

Номер: CN116026541A
Принадлежит:

The invention relates to the technical field of bridge static load experiment simulation, in particular to bridge static load experiment simulation pressurizing equipment which comprises a base, a pressurizing mechanism and a fixing mechanism, the pressurizing mechanism is arranged on the base, and the fixing mechanism is arranged on the base and used for connecting the base with a bridge floor. A walking mechanism is arranged on the base, the walking mechanism comprises a rolling assembly and a jacking assembly, the jacking assembly is arranged on the base, the rolling assembly is arranged on the base and used for moving the base, and the jacking assembly can drive the base to be separated from a bridge floor. The method has the effect of improving the working efficiency.

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04-04-2023 дата публикации

Anchor rod drill carriage and roadway supporting method thereof

Номер: CN115898263A
Принадлежит:

The invention discloses an anchor rod drill carriage and a roadway supporting method thereof. The roadway supporting method of the anchor rod drill carriage comprises the steps that a laser transmitter is used for transmitting a cross-shaped annular light spot to a coal wall; acquiring a light spot image on the coal wall by using the main camera; the light spot image is processed through the image processor, and the pose of the jumbolter is obtained; the controller is used for controlling the moving arm to move, so that the jumbolter is adjusted to a preset pose; the anchor rod drilling machine is used for driving an anchor rod or an anchor cable; wherein the pose of the jumbolter comprises the distance between the jumbolter and the coal wall and the included angle between the jumbolter and the coal wall. The roadway supporting method of the anchor rod drill carriage has the advantages of being high in roadway forming speed, high in automation degree and the like.

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07-04-2023 дата публикации

Method for reducing arsenic content in rice in acidic arsenic polluted rice field and application

Номер: CN115918319A
Принадлежит:

The invention belongs to the technical field of heavy metal polluted farmland soil environment treatment, and discloses a method for reducing the arsenic content in rice in an acid arsenic polluted rice field and application. According to the method, a proper amount of sodium persulfate is applied before rice transplanting or planting, calcium magnesium phosphate fertilizer, ammonium bicarbonate and urea base fertilizer are applied in a matched mode, meanwhile, reasonable moisture management or moisture adjustment is conducted in the whole growth period, absorption and accumulation of arsenic by rice can be effectively reduced, the arsenic content in rice is lower than the national pollutant limit standard in food, and the yield of rice is increased. And the target of safe production is achieved. In addition, compared with a traditional soil treatment method, the method is small in work amount, the applied raw materials are low in cost, the application method and technical management are ...

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18-08-2023 дата публикации

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

Номер: CN116613137A
Принадлежит:

The invention discloses a semiconductor device and a manufacturing method thereof. The semiconductor device comprises a substrate. The semiconductor device also includes a conductive network on the first side of the substrate. The semiconductor device also includes an active region on the second side of the substrate, wherein the first side of the substrate is opposite the second side of the substrate. The semiconductor device also includes a through via electrically connected to the conductive network, wherein the through via extends through the substrate. The semiconductor device further includes a contact structure on the second side of the substrate, where the contact structure is electrically connected to the active region, the contact structure is in direct contact with the through via, and the contact structure overlaps a top surface of the through via in a top view.

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01-08-2023 дата публикации

Handheld engineering surveying instrument

Номер: CN116518950A
Принадлежит:

The invention discloses a handheld engineering surveying instrument, and relates to the technical field of engineering surveying instruments, the handheld engineering surveying instrument comprises a handheld assembly, a first holder stabilizer, a second holder stabilizer, a first surveying unit, a second surveying unit and a surveying data processing unit, and the surveying data processing unit is provided with an AI data processing chip. The AI data processing chip respectively collects point cloud surveying and mapping data of the first surveying and mapping unit and the second surveying and mapping unit, and obtains the point cloud surveying and mapping data based on a mean value and smooth data processing algorithm. According to the invention, the two surveying and mapping units are respectively installed on the two independent pan-tilt stabilizers to obtain the two groups of point cloud data, so that the situation that the point cloud data are lost or surveying and mapping are unsuccessful ...

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15-09-2016 дата публикации

NEW-TYPE CLEANING DEVICE AND CLEANING METHOD THEREOF

Номер: WO2016141869A1
Принадлежит:

A cleaning device of a human body local flushing device and a cleaning method thereof. The cleaning device comprises a partition switch (111) with a water flow partition function, a transfer device with at least one water inlet and a water outlet, a flushing assembly (3) for upwards ejecting flushing water to flush a local part of a human body, an inner flow path (2) at an upstream of the flushing assembly (3), an operating device adopting a corresponding element as an action response object, a water pump (4) for repeatedly pumping liquid and with the action controlled by the operating device, and a movable cleaning assembly (5) arranged outside the flushing assembly (3). The water outlet of the flushing assembly (3) is immersed in the cleaning liquid of the cleaning assembly (5) during a partial process of cleaning the inner flow path (2).

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04-06-2015 дата публикации

HEATING METHOD AND DEVICE CAPABLE OF SUPPRESSING HARMONICS AND FLICKER

Номер: WO2015078346A1
Принадлежит:

The present invention relates to a heating method capable of suppressing harmonics and flicker, and a heating device capable of suppressing harmonics and flicker, heating via a switch for two or more independently controlled heating wires, the method comprising, the power of one heating wire is adjusted in real time according to the water temperature, the other heating wires being in full open or closed state. The benefits of the present invention are as follows: 1. effectively solves the problem of flickering when heating water with a heater, and passes the CE certification test; 2. has a low harmonic current, and passes the CE certification test; 3. control precision and control period are adjustable; 4. has silicon controlled rectifier zero-crossing trigger low-voltage low-frequency motion control, and passes all EMC tests with only a few filtering assemblies, thus being cost effective, economical and practical.

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21-04-2011 дата публикации

SOLAR CELL MODULE

Номер: WO2011044759A1
Принадлежит:

A solar cell module is provided. The module is composed of two loop circuits. The two loop circuits are located respectively on two sides of the solar cell module, and converge respectively to the junction box (1) which is located in the middle of the solar cell module. Each of the two loop circuits includes at least one branch circuit formed of plural solar cells (4) and diodes (5) in parallel connection. The solar cell module can effectively prevent damage to solar cell due to over-high temperature, reduce the series resistance of the solar cell module, and reduce the series resistance and installation costs of the system consisted of the solar cell module.

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07-05-2015 дата публикации

COMBINED SYSTEM AND METHOD OF ICU BRIDGE CARE UNIT

Номер: WO2015062367A1
Автор: CHEN, Zhiliang, YANG, Xuwu
Принадлежит:

A combined system and method of an ICU bridge care unit. The system may be easily mounted inside an existing ICU, and has a suspended bridge body (1), used for combining a lighting section (2), an infusion pump support movement section (3), a care section (4), a monitoring and ventilator section (5), and a digital information system below the suspended bridge body (1) in the ICU, and one or more moving joints (3-03, 3-12, 4-01, 4-03, 5-01, 5-22) and rotating arms (3-13, 4-02, 4-20, 5-21, 6-03, 6-04) being mounted below the suspended bridge body (1) in a fixed or moving manner for support with axial rotation or movement, operation, and use. The objective of the system is to combine and provide multiple functional sections that are independent and are integrated with each other for service demands that health professionals in an ICU want to satisfy, so that the combined system of an ICU bridge care unit can focus on professional and standard healthcare in the ICU during clinical treatment ...

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15-11-2012 дата публикации

PHOTOVOLTAIC MODULE JUNCTION BOX

Номер: WO2012151717A1
Автор: CHEN, Zhiliang, GUO, Lang
Принадлежит:

A photovoltaic module junction box (100) comprises a first part (1), a second part (2) and at least two cables (3). The first part (1) comprises at least one first connector (10) fixed to the photovoltaic module (200), the first connector (10) comprises an insulating first body (11) and at least two first connection terminals (12) fixed relative to the first body (11), the first connection terminals (12) are electrically connected to a busbar (202) of the photovoltaic module (200). The second part (2) comprises a second connector (20) removably coupled to the first connector (10) and electronic components (24), the second connector (20) includes an insulating second body (21) and at least two second connection terminals (22) fixed relative to the second body (21), the electronic components (24) are connected with the second connection terminals (22). Each cable (3) is connected with at least one second connection terminal (22). When the second part (2) matches the first part (1), the first ...

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04-10-2012 дата публикации

SWIVEL CHAIR CHASSIS

Номер: WO2012129908A1
Автор: CHEN, Zhiliang, CHENG, Jun
Принадлежит:

A swivel chair chassis comprises an upper cover (1), a lower cover (2), and a rubber spring disposed in a space formed by the upper and lower covers. The rubber spring comprises a main shaft (3), a rubber layer (4) is fixedly circumferentially disposed on the main shaft (3), and a cylindrical housing (5) fixedly sleeves the rubber layer (4). The cylindrical housing (5) is provided with a connecting lug (6), the connecting lug (6) is connected with one end of a connecting rod (11), and the other end of the connecting rod (11) penetrates the upper cover (1) and is connected to an adjustment knob (12). The chassis of the present invention adopts a rubber spring serving as a core member. Two ends of the main shaft (3) of the rubber spring are connected to a back through the connecting rod, and when a person leans against the back, the back applies a certain force on the main shaft (3) through the connecting rod to drive the main shaft (3) to rotate a certain rotation angle, and the cylindrical ...

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04-04-2023 дата публикации

Roadbed construction equipment for highway engineering construction

Номер: CN115897538A
Принадлежит:

The roadbed construction equipment for highway engineering construction comprises a bottom plate, supporting rods are connected to the lower portion of the bottom plate, a rotating shaft is connected between the supporting rods, a rolling wheel is connected to the rotating shaft, a first motor is connected to the bottom plate, the first motor and the rotating shaft are connected through a first transmission belt, and a second motor is arranged on one side of the first motor. The tail end of an output shaft of the second motor is connected with a rotating disc, the rotating disc is connected with a third motor, the output end of the third motor is connected with a rotating rod, the rotating rod is provided with a chuck, one side of the chuck is connected with an electric telescopic rod, one end of the rotating rod is connected with a winding wheel, and one side of the winding wheel is provided with a plurality of clamping grooves. A first sensor and a second sensor are connected to the supporting ...

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29-08-2023 дата публикации

Pneumatic safety locking structure

Номер: CN116658001A
Принадлежит:

The invention relates to the technical field of safety locks, in particular to a pneumatic safety locking structure which comprises a switch cabinet and a locking assembly, cabinet doors are symmetrically hinged to one side of an opening of the switch cabinet, and the locking assembly comprises a housing arranged at the position, close to the middle of one side of each cabinet door, of the upper portion of the switch cabinet. A mounting seat is transversely arranged on the inner wall of one side, close to the switch cabinet, in the housing, an air cylinder is vertically arranged at the bottom of the mounting seat, a piston rod of the air cylinder slidably penetrates through the bottom of the mounting seat, a connecting sliding seat is transversely arranged at the bottom of the mounting seat, locking pin rods are vertically arranged at the two ends of the bottom of the connecting sliding seat, and the locking pin rods slidably penetrate through the bottom of the housing; and vertical mounting ...

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21-07-2023 дата публикации

Method for protecting roller and thickness gauge by switching mill material tail thickness control to constant roller gap control

Номер: CN116460150A
Принадлежит:

In order to optimize the control technology of a mill tail mill, the invention provides a method for switching mill tail thickness control to constant roll gap control to protect a roller and a thickness gauge, in the speed reduction process of the mill tail, when the rolling speed is smaller than or equal to 100 m/min, the thickness control is switched to a constant roll gap control mode, meanwhile, the thickness gauge is stopped for measurement, and the mill tail is withdrawn to an off-line position in advance; and the outlet coiling pressing roller is pressed down. The roller surface roller mark or belt breakage caused by the abnormal large rolling force under thickness control is overcome. And the problem that the receiving head of the thickness gauge is knocked over due to the arching of the strip in the shutdown receiving process of the tail of the thick strip is solved.

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04-07-2023 дата публикации

Integrated circuit and forming method thereof

Номер: CN116387308A
Принадлежит:

An integrated circuit and a method of forming the same are provided. The integrated circuit includes first and second active regions extending in a first direction, and a floating gate, a first dummy gate, a first conductor, and a second conductor extending in a second direction. The floating gate is electrically floating. The first dummy gate is separated from the floating gate in the second direction. The dummy gate and the floating gate separate a first cell corresponding to the first transistor from a second cell corresponding to the second transistor. The first and second conductors are separated from each other in the first direction and overlap the second active region. The first and second conductors are electrically coupled to corresponding sources/drains of the second active region and are configured to provide the same signal/voltage to the corresponding sources/drains of the second active region. A floating gate is between the first and second conductors.

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23-05-2023 дата публикации

Intelligent flushing device for additional water-saving flush toilet

Номер: CN116145777A
Принадлежит:

The invention relates to an intelligent flushing device for an additional water-saving flush toilet. The intelligent flushing device is characterized by comprising an outer shell, a lifting sensor and an electric flushing device, the bottom end of the screw rod is aligned with two buttons on a flush toilet, and the infrared sensor senses the time of a human body signal to control the positive and negative rotation of the direct current motor to drive the screw rod to selectively press the buttons on a water tank of the flush toilet to realize automatic flushing, so that the aim of saving water is fulfilled; when the battery is in a power-off state, the flushing device can be manually stretched into the lower part of the arc-shaped sealing plate to be pressed for flushing; intelligent flushing can be realized only by power supply of the storage battery; the infrared sensor is installed on the lifting adjusting rod, the height can be adjusted, and the situation that the flush toilet cover ...

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23-06-2023 дата публикации

Semiconductor device, integrated circuit and manufacturing method thereof

Номер: CN116314198A
Принадлежит:

The embodiment of the invention provides a semiconductor device, an integrated circuit and a manufacturing method thereof. An integrated circuit includes a first cell and a second cell. The first cell includes a first plurality of active regions extending in a first direction and a first plurality of gates extending in a second direction crossing the first direction, the first cell having a first cell edge defined by discontinuities in the first plurality of gates. The second cell includes a second plurality of active regions extending in the first direction and a second plurality of gates extending in the second direction, the second cell having a second cell edge defined by discontinuities in the second plurality of gates. Each of the second plurality of active regions is larger than each of the first plurality of active regions, and the first cell is adjacent to the second cell such that the first cell edge is aligned with the second cell edge.

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27-06-2023 дата публикации

Integrated circuit and method of forming cell layout structure

Номер: CN116344545A
Принадлежит:

Provided is a metallization structure of an integrated circuit. In one embodiment, an integrated circuit includes a metal-to-diffusion (MD) layer disposed over an active region of a cell, a gate disposed over the active region of the cell, and a first metallization layer including an M0 track disposed over the MD layer and the gate. The integrated circuit also includes a second metallization layer including an M1 track disposed over the first metallization layer. The M1 tracks include first M1 tracks each having a first predetermined distance from an edge of the cell and second M1 tracks each having a second predetermined distance from the edge of the cell, wherein the first M1 tracks are longer than the second M1 tracks. The embodiment of the invention also discloses an integrated circuit and a method for forming the cell layout structure.

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29-08-2023 дата публикации

Foliar regulating agent and application thereof in reduction of arsenic content in rice

Номер: CN116649368A
Принадлежит:

The invention belongs to the field of agricultural surface pollution treatment, and discloses a leaf surface regulating agent and application thereof to reduction of arsenic content in rice. The nanoscale sol leaf surface regulating agent formed by cementing sodium tripolyphosphate and hydrogen peroxide degraded chitosan is used for treating arsenic-polluted rice leaves, and can regulate and reduce the absorption and transportation of arsenic in the rice in the filling stage, increase the content of arsenic in rice husks and leaves and reduce the transportation of arsenic to grains in soil, so that the content of arsenic in rice is reduced.

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04-07-2023 дата публикации

Method and system for measuring and calculating chlorophyll content of rice under cadmium stress

Номер: CN116385784A
Принадлежит:

The invention discloses a method and system for measuring and calculating the chlorophyll content of rice under cadmium stress. The method comprises the following steps: collecting spectral images of rice leaves of different varieties in different growth periods under different cadmium concentrations and measuring the chlorophyll content; extracting the spectral reflectivity of the spectral image of the rice leaf; performing pretreatment; performing spectral characteristic wave band screening according to different varieties and different growth periods; dividing into a training set and a test set in proportion; establishing a chlorophyll content prediction model; respectively training the prediction models on the training set, and respectively testing the prediction models by using the test set after training; performing performance verification in the training and testing process to obtain a final prediction model; and inputting the spectral image of the rice leaf to be detected into ...

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04-04-2023 дата публикации

Mechanical equipment, pose detection system and pose detection method

Номер: CN115902910A
Принадлежит:

The invention discloses mechanical equipment, a position and posture detection system and a position and posture detection method. The position and posture detection method comprises the steps that a laser transmitter is used for transmitting a cross-shaped annular light spot to a workpiece plane; acquiring a light spot image on the plane of the workpiece by using the industrial camera; processing the light spot image by using the image processing system to obtain the pose of the laser transmitter; wherein the pose of the laser transmitter comprises the distance between the laser transmitter and the plane of the workpiece and the included angle between the laser transmitter and the plane of the workpiece. When the pose detection system is used, the laser transmitter is fixed on the manipulator of the mechanical equipment, the industrial camera is fixed on the base of the mechanical equipment, and the laser transmitter is fixed on the manipulator of the mechanical equipment and is relatively ...

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07-04-2023 дата публикации

Anchor rod drill carriage and roadway supporting method of anchor rod drill carriage

Номер: CN115929315A
Принадлежит:

The invention discloses an anchor rod drill carriage and a roadway supporting method of the anchor rod drill carriage. The anchor rod drill carriage comprises a carriage body, an anchor rod drilling machine, a detection camera system, an image processing system and a control system, and a mechanical arm is arranged on the carriage body; the anchor rod drilling machine is connected with the mechanical arm, the mechanical arm is used for adjusting the pose of the anchor rod drilling machine, the anchor rod drilling machine is provided with a laser emitter capable of emitting cross-shaped round light spots, and the cross-shaped round light spots comprise a round light spot and a cross-shaped light spot of which the centers coincide; the detection camera system is arranged on the vehicle body, the detection camera system comprises a first camera, and the first camera is used for acquiring a light spot image of the cross-shaped circular light spot irradiated on the coal wall; the image processing ...

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09-06-2023 дата публикации

Reinforcing method for removing tetracycline in water through wetland plant-microorganism combination

Номер: CN116239231A
Принадлежит:

The invention provides a strengthening method for removing tetracycline in water through wetland plant-microorganism combination, and relates to the field of removal of tetracycline in water. The strengthening method for removing tetracycline in water through wetland plant-microorganism combination comprises the following steps that S1, wetland plant seedlings are collected, soil at the roots of plants is washed with tap water, S2, the plants are transferred into a Hoagland nutrient solution to be domesticated for two weeks, S3, a hydroponic experiment is conducted in a plastic bucket, the plastic bucket is covered with a black shading bag, and after the plastic bucket is covered with the black shading bag, the plants are subjected to water culture. S4, fixing the plant in a barrel cover with an opening, filling the barrel cover with sponge to support the plant, and only allowing the root of the plant to be exposed in the nutrient solution. According to the method, the absorption and removal ...

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13-04-2021 дата публикации

Filter paper supporting structure of plate filter

Номер: CN212941654U

The utility model relates to a filter paper supporting structure of a plate filter, which comprises a plurality of filter box groups of the plate filter, a supporting frame for supporting filter paper is connected between filter frames on the same layer of two adjacent filter box groups, and the supporting frame comprises a supporting plate positioned between the filter frames on the two sides of the same layer; supporting strips connected to oil pipe connectors at the ends of the filter frames on the two sides are arranged at the two ends of the supporting plate respectively. The filter paper supporting structure of the plate filter is reasonable in design, simple in structure, low in manufacturing cost, free of welding on site, easy to install and good in filter paper supporting effect, dirt on the filter paper is effectively prevented from entering the contact face between the filter frames, and normal operation of equipment is guaranteed.

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02-05-2023 дата публикации

Energy storage type variable frequency transmission device

Номер: CN116054598A
Принадлежит:

The invention discloses an energy storage type variable frequency transmission device which comprises a rectification/inversion unit, an energy storage capacitor, an inversion unit and a detection control unit. The rectification/inversion unit is used for receiving an external three-phase AC voltage, converting the external three-phase AC voltage into a DC voltage and outputting the DC voltage. The energy storage capacitor is used for receiving the direct-current voltage so as to store electric energy and stabilize the direct-current voltage. And the inversion unit is used for receiving the direct-current voltage, converting the direct-current voltage into three-phase alternating-current voltage with different frequencies and outputting the three-phase alternating-current voltage. And the detection control unit is used for acquiring operation parameters of the rectification/inversion unit, the energy storage capacitor and the inversion unit, generating pulse width modulation signals to ...

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