Abstract: An expansion tank for a vehicle cooling system and a vehicle cooling system. The expansion tank includes a tank body and a chamber provided inside the tank body, a liquid inlet and a liquid outlet are provided on the tank body, a diversion channel matched with a bottom of the tank body is provided inside the tank body, both ends of the diversion channel are respectively connected with the liquid inlet and the liquid outlet, a vent hole and a liquid refill hole are sequentially provided on a side of the diversion channel in a flow direction of a coolant liquid, and the vent hole and the liquid refill hole are both communicated with the chamber.

Abstract: A multi-way valve includes a valve seat and a valve core. The valve core is rotatably disposed in the valve seat, the valve seat is provided with a plurality of valve port groups, each valve port group includes a plurality of valve ports, the valve core is provided with communication structure groups corresponding to the valve port groups, respectively, and each of the communication structure groups further includes a plurality of communication structures arranged along a circumferential direction of the valve core. When the valve core is rotated to different rotation positions, valve ports in different valve port groups form different communication states. Only one valve core is required to make a two-way proportional valves, three-way proportional valve, and a four-way proportional valve achieve different communication states, with simple control, compact structure and low cost.

Abstract: A system controller determines a to-be-collected first logical chunk group. The first logical chunk group includes a first data logical chunk located in a first solid state disk of the plurality of solid state disks. Valid data is stored in a first logical address in the first logical chunk group, and there is a correspondence between the first logical address and an actual address in which the valid data is stored. The system controller creates a second logical chunk group. At least one second data logical chunk in the second logical chunk group is distributed in the solid state disk in which the first data logical chunk storing a valid data is located in order to ensure that the valid data is migrated from the first logical chunk group to the second logical chunk group, but an actual address of the valid data remains unchanged.

Abstract: An automatic synchronous loading system for a space structure lattice includes a liquid storage tank filled with loading liquid, where the liquid storage tank is connected with a main liquid inlet pipe and a main liquid outlet pipe; a plurality of branch liquid tanks, where each branch liquid tank is connected to the liquid storage tank, and each branch liquid tank corresponds to at least one loading node; each branch liquid tank is connected with a liquid inlet pipe and a liquid outlet pipe, each liquid inlet pipe is communicated with the main liquid inlet pipe, and each liquid outlet pipe is communicated with the main liquid outlet pipe; and regulator valves, where each liquid inlet pipe and each liquid outlet pipe are connected with the regulator valves.

Abstract: An in-situ vapor injection thermal desorption device includes a sectional combined input head, several intermediate connectors and a bottom protector connected in series from top to bottom. The in-situ vapor injection thermal desorption device further includes several water-vapor coupling injection activation chips, selectively disposed below any of the intermediate connectors; the sectional combined input head is provided with a high-pressure-gas inlet, several pairs of heat-transfer-oil inlets and heat-transfer-oil outlets, and several pairs of hot-water inlets and hot-water outlets; the water-vapor coupling injection activation chip is provided with several gas-liquid spraying holes.

Abstract: Provided is a thermal management integration module (100) and an electric vehicle. The thermal management integration module (100) includes: a multi-channel integration board (110) having a plurality of cooling connection pipelines (111) formed therein, the multi-channel integration board (110) being configured as a carrier member for the thermal management integration module (100); and at least two thermal management components mounted on the multi-channel integration board (110) and connected to each other by the plurality of cooling connection pipelines (111). The design of the multi-channel integration board can not only serve as a connection channel between different thermal management components, but also serve as a carrier member for the entire integration module to enable the thermal management components to be integrated on the multi-channel integration board, forming the thermal management integration module with low costs, a light weight, and a small arrangement space.

Abstract: A multi-channel cooling pipeline integration apparatus, a thermal management integration module, and an electric vehicle are provided, which belong to the field of vehicle technologies. The multi-channel cooling pipeline integration apparatus is in a substantially rectangular plate shape, and has a plurality of cooling connection pipelines formed therein. A plurality of component mounting points and a plurality of component connection ports are disposed on a surface of the multi-channel cooling pipeline integration apparatus. The plurality of component mounting points is configured to have at least two thermal management components mounted thereon. Each of the plurality of component connection ports is in communication with a corresponding one of the plurality of cooling connection pipelines, to enable the at least two thermal management components to be connected to the plurality of cooling connection pipelines. The at least two thermal management components are configured to be connected to each other.

Abstract: A calling device of a MRI system may include a reader/writer and a call maker. The reader/writer can send a fixed-frequency electromagnetic wave. The call maker may include a main body, an antenna, an operating member, and an answering controller. The antenna can generate an induced current after receiving the fixed-frequency electromagnetic wave. The operating member can switch between first and second positions relative to the main body. The answering controller is configured such that: when the operating member is in the first position, a first radio-frequency signal is sent through the antenna with energy obtained from the induced current generated by the antenna, and when the operating member is in the second position, a second radio-frequency signal is sent through the antenna with energy obtained from the induced current generated by the antenna. The reader/writer can send different prompt signals according to the first and second radio-frequency signals.

Abstract: A integrated multi-way solenoid valve includes: a mounting panel, N channel interfaces being defined on the mounting panel; a valve seat fixedly connected to the mounting panel, N openings being defined on the cylindrical valve seat and in communication with N channel interfaces correspondingly; a valve cartridge disposed in the valve seat in a close engagement manner with the valve seat, a plurality of communication grooves being defined on a circumferential surface of the valve cartridge; and a driving assembly in transmission connection with the valve cartridge and configured to drive the valve cartridge to rotate by a predetermined angle to bring at least one target communication groove of the plurality of communication grooves into communication with a plurality of target openings of the N openings. Each of the at least one target communication groove is in communication with at least two of the plurality of target openings.

Abstract: An optical-path calibration module is provided. The optical-path calibration module defines a first light inlet, a second light inlet, and a first light outlet, and a first light-splitting device is disposed in the optical-path calibration module. The first light inlet is configured to receive a calibration beam of a calibration light-source or be closed. The second light inlet is configured to receive a target-light-source beam or the calibration beam from the calibration light-source. The first light outlet is configured to emit a detection beam to a photoelectric sensor. An angle of 45° is defined between the first light-splitting device and each of the first light inlet and the second light inlet.

Abstract: A flexible gastight material for a landfill site includes a component A and a component B, the component A including: at least one of polypropylene glycol with a molecular weight of 600-4000, polytetrahydrofuran diol with a molecular weight of 1000-3000, polycaprolactone diol with a molecular weight of 1000-3000, and polycarbonate diol with a molecular weight of 1000-3000; and at least one of 2,4?-diphenylmethane diisocyanate, 4,4?-diphenylmethane diisocyanate, toluene diisocyanate, isophorone diisocyanate, and hexamethylene diisocyanate. The flexible gastight material for the landfill site provided in the present application has a micro-closed-cell foam structure. The closed-cell elastic structure of the flexible gastight material may block the volatilization of toxic and harmful odors, and may cut off the diffusion path of the odors by combining with gas treatment systems at the landfill site. The flexible gastight material has excellent water blocking and gas sealing performance.

Abstract: An atomizer, producing an inhalable vapor, includes a liquid storage chamber, an air duct, and an atomizing core in the liquid storage chamber. The atomizing core includes a core shell and a liquid guiding cotton. The core shell includes a base and a housing. A sealing member is disposed between the air duct and the core shell, the sealing member includes a sealing body and a first connecting pipe extending from the sealing body facing the air duct. An elastic part is disposed on an outer wall of the first connecting pipe, the air duct abuts the sealing body, a bottom of the sealing body abuts the liquid guiding cotton, the first connecting pipe is located in the air duct, and the elastic part presses tightly against an inner wall of the air duct to provide sealing of liquid in all circumstances. An inhalation device is also disclosed.

Abstract: An in-situ vapor injection thermal desorption device includes a sectional combined input head, several intermediate connectors and a bottom protector connected in series from top to bottom. The in-situ vapor injection thermal desorption device further includes several water-vapor coupling injection activation chips, selectively disposed below any of the intermediate connectors; the sectional combined input head is provided with a high-pressure-gas inlet, several pairs of heat-transfer-oil inlets and heat-transfer-oil outlets, and several pairs of hot-water inlets and hot-water outlets; the water-vapor coupling injection activation chip is provided with several gas-liquid spraying holes.

Abstract: A cooling system of a magnetic resonance apparatus is disclosed. In the cooling system, a first cooling device and a second cooling device are used to realize a secondary step of cooling of a circulating fluid without energy consumption, thereby reducing the operating energy consumption of the cooling system. In addition, a magnetic resonance apparatus comprising the cooling system is further provided.

Abstract: A multiphase flow cylindrical model test system includes a loading structure, a multiphase flow displacement model bucket, a data acquisition and analysis system, a flexible seepage model bucket and a dynamic control system. A multi-parameter test method in the displacement process of pollutants in three-dimensional multi-field and multiphase media is reasonably configured based on the sequential and superimposed application requirements of heat and steam in the thermal enhanced soil vapor extraction process.

Abstract: The invention provides a self drilling side pressure simulation test device and method for a formation containing natural gas hydrate, belonging to the technical field of geotechnical mechanics. The device comprises a reactor, a cutting tool, a mud conveying mechanism and a side pressure testing device. The reactor is used to fill the simulated substance of the formation containing natural gas hydrate to be tested. The cutting tool is arranged in the reactor, and the cutting tool can move up and down relative to the reactor. One end of the mud conveying mechanism is connected with the reactor, for outputting the mud cut by the cutting tool from the reactor; The side pressure test device can complete the side pressure test experiment with the cutting tool moving to the set depth. The method is implemented based on the device. The in-situ test method can directly test the engineering mechanical parameters of the formation containing natural gas hydrate.

Abstract: The invention provides a self drilling side pressure simulation test device and method for a formation containing natural gas hydrate, belonging to the technical field of geotechnical mechanics. The device comprises a reactor, a cutting tool, a mud conveying mechanism and a side pressure testing device. The reactor is used to fill the simulated substance of the formation containing natural gas hydrate to be tested. The cutting tool is arranged in the reactor, and the cutting tool can move up and down relative to the reactor. One end of the mud conveying mechanism is connected with the reactor, for outputting the mud cut by the cutting tool from the reactor; The side pressure test device can complete the side pressure test experiment with the cutting tool moving to the set depth. The method is implemented based on the device. The in-situ test method can directly test the engineering mechanical parameters of the formation containing natural gas hydrate.

Abstract: A hospital bed may include a bed frame, a first bed board and an auxiliary component. The first bed board is connected to the bed frame. The auxiliary component may include a connecting frame, a first moving and supporting mechanism and a second bed board. The connecting frame is detachably connected to the first bed board. The first moving and supporting mechanism is connected to the connecting frame. The second bed board is connected to the first moving and supporting mechanism and can carry an object along the bearing direction. The second bed board is arranged on one side of the first bed board along the bearing direction. The first moving and supporting mechanism can drive the second bed board to move relative to the first bed board along an adjustment direction, where the adjustment direction is perpendicular to the bearing direction.

Abstract: MR signal transmission line connection structure. A first connector fixed to a bed of an MR imager and connectable to an MR imaging. A second connector, which is disposed at an opposite side of an opening side of a chamber of the MR imaging device allowing entry of the bed, connected to a signal receiver for MR signals by a cable. The first connector has a first connection terminal, and the second connector has a second connection terminal. When the bed moves into the chamber, the first connector abuts the second connector such that the first connection terminal is connected to the second connection terminal, and an MR signal received by the coil is conveyable to the signal receiver via the first and second connection terminals. When the MR imaging ends, the bed moves back out of the chamber, breaking the connection between the first and second connection terminals.

Abstract: An alarm device for an MRI system may include a body, an operating member, a generator, a power manager and a signal emitter. The operating member may be movably connected to the body. The generator may be connected to the operating member and can convert kinetic energy of motion of the operating member to electrical energy. The power manager may be connected to the generator and can convert electrical energy generated by the generator to an output current. The signal emitter may be connected to the power manager and can use energy obtained from the output current to send a trigger signal wirelessly. Advantageously, the alarm device does not need an external power supply and has a high level of reliability.