Abstract: A tundish, wherein a steel passing hole (43) is provided at a lower portion of a gas-curtain weir refractory body (42); an argon duct (46), a gas chamber (45) and a gas-permeable brick (44) are connected to form a gas-curtain generating device, and the gas-curtain generating device is installed at the lower portion of the gas-curtain weir refractory body (42); the gas-permeable brick (44) is provided in association with the position of the steel passing hole (43), and a length of the gas-permeable brick is designed larger than a width of the steel passing hole (43); and a gas-curtain weir plate (4) is provided in a tundish container, the gas-curtain weir refractory body (42) crosses the tundish container horizontally, and divides the tundish container into a first region and a second region.

Abstract: Disclosed is a flow-controllable tundish structure capable of filtering inclusions in molten steel. The tundish structure comprises a tundish (1), the tundish being divided into three separated cavities which comprise an impact zone cavity (1a) in the middle and pouring zone cavities (1b) at two sides thereof. A long nozzle (2) for pouring is vertically arranged in the center of the impact zone cavity, and molten steel flows down out of the long nozzle for pouring and is injected into the impact zone cavity; and a turbulence suppressor (3) directly facing the long nozzle for pouring is arranged on the cavity bottom under the long nozzle for pouring, and the molten steel flowing down out of the long nozzle for pouring impacts on the turbulence suppressor and is then buffered and mixed.

Abstract: Disclosed is a flow-controllable tundish structure capable of filtering inclusions in molten steel. The tundish structure comprises a tundish (1), the tundish being divided into three separated cavities which comprise an impact zone cavity (1a) in the middle and pouring zone cavities (1b) at two sides thereof. A long nozzle (2) for pouring is vertically arranged in the center of the impact zone cavity, and molten steel flows down out of the long nozzle for pouring and is injected into the impact zone cavity; and a turbulence suppressor (3) directly facing the long nozzle for pouring is arranged on the cavity bottom under the long nozzle for pouring, and the molten steel flowing down out of the long nozzle for pouring impacts on the turbulence suppressor and is then buffered and mixed.

Abstract: A tundish, wherein a steel passing hole (43) is provided at a lower portion of a gas-curtain weir refractory body (42); an argon duct (46), a gas chamber (45) and a gas-permeable brick (44) are connected to form a gas-curtain generating device, and the gas-curtain generating device is installed at the lower portion of the gas-curtain weir refractory body (42); the gas-permeable brick (44) is provided in association with the position of the steel passing hole (43), and a length of the gas-permeable brick is designed larger than a width of the steel passing hole (43); and a gas-curtain weir plate (4) is provided in a tundish container, the gas-curtain weir refractory body (42) crosses the tundish container horizontally, and divides the tundish container into a first region and a second region.

Abstract: Disclosed is a flow-controllable tundish structure capable of filtering inclusions in molten steel. The tundish structure comprises a tundish (1), the tundish being divided into three separated cavities which comprise an impact zone cavity (1a) in the middle and pouring zone cavities (1b) at two sides thereof. A long nozzle (2) for pouring is vertically arranged in the center of the impact zone cavity, and molten steel flows down out of the long nozzle for pouring and is injected into the impact zone cavity; and a turbulence suppressor (3) directly facing the long nozzle for pouring is arranged on the cavity bottom under the long nozzle for pouring, and the molten steel flowing down out of the long nozzle for pouring impacts on the turbulence suppressor and is then buffered and mixed.

Abstract: A high-formability and super-strength cold-rolled steel sheet and a manufacturing method thereof. The weight percentage of its components is: C 0.15-0.25%, Si 1.00-2.00%, Mn 1.50-3.00%, P?0.015%, S?0.012%, Al 0.03-0.06%, N?0.008%, and the rest are Fe and inevitable impurities. The manufacturing method comprises the following steps: 1) smelting and casting; 2) heating to 1170˜1230° C. and performing thermal insulation; 3) performing hot rolling, the finish rolling temperature being 880±30° C., and coiling at 550˜650° C.; and 4) performing acid washing, cold rolling, and annealing, the cold rolling reduction being 40-60%, annealing at 860-920° C., and performing slow cooling to 690-750° C. with the cooling rate of 3˜10° C./s; performing rapid cooling at 240˜320° C., with the cooling speed ?50° C./s, then heating to 360˜460° C., and performing thermal insulation for 100˜500 s to cool to the room temperature at last.

Abstract: A method and two variations of an electronic device are disclosed. The method includes acquiring target image data; obtaining first image information; acquiring preset image data; projecting first image information; acquiring the target image; and acquiring a detected image. The first device includes: a processing unit that acquires and processes target image data, obtains first image information, acquires preset image data and acquires detected image information; a first emission unit that projects the first image information; a second emission unit that projects the detected image information; and a display unit that acquires the target image and presents the target image and the detected image. The second device includes: a first emission unit that acquires and projects first image information; a second emission unit that acquires and projects preset image data; and a processing unit that obtains a target image and presents the target image and the detected image.

Abstract: A device for continuously measuring the flow rate of steel melt near surface thereof, comprising a flow rate detecting rod (18) and a deflection means (B) for the flow rate detecting rod, wherein the flow rate detecting rod (18) comprises a refractory material tube at one end and a stainless steel rod at the other end, and the stainless steel rod is fittedly connected with the refractory material tube. Also provided is a method for continuously measuring the flow rate of steel melt near surface thereof.

Abstract: A device for measuring the flow rate of steel melt near the surface thereof. The device has a flow rate detecting rod and a deflection device for the flow rate detecting rod. The deflection device for the flow rate detecting rod has a flow rate detecting rod counterweight, a deflection bearing sleeve, a deflection bearing, a deflection angle indicating board, a deflection angle pointer and a flow rate detecting rod fastening bolt.

Abstract: A high-formability and super-strength cold-rolled steel sheet and a manufacturing method thereof. The weight percentage of its components is: C 0.15-0.25%, Si 1.00-2.00%, Mn 1.50-3.00%, P?0.015%, S?0.012%, Al 0.03-0.06%, N?0.008%, and the rest are Fe and inevitable impurities. The manufacturing method comprises the following steps: 1) smelting and casting; 2) heating to 117˜1230° C. and performing thermal insulation; 3) performing hot rolling, the finish rolling temperature being 880+30° C., and coiling at 550˜650° C.; and 4) performing acid washing, cold rolling, and annealing, the cold rolling reduction being 40-60%, annealing at 860-920° C., and performing slow cooling to 690-750° C. with the cooling rate of 3˜10° C./s; performing rapid cooling at 240˜320° C., with the cooling speed ?50° C./s, then heating to 360˜460° C., and performing thermal insulation for 100˜500 s to cool to the room temperature at last.

Abstract: The invention discloses a device for continuously measuring the flow rate of steel melt near surface thereof, wherein the device comprises a flow rate detecting rod (18) and a deflection means (B) for the flow rate detecting rod, wherein the flow rate detecting rod (18) comprises a refractory material tube at one end and a stainless steel rod at the other end, and the stainless steel rod is fittedly connected with the refractory material tube. The flow rate detecting rod (18) comprises a refractory material of a single compound or a composite of two or more compounds. The flow rate detecting rod (18) has a length of 10-100 cm and a diameter of 5-50 mm. The deflection means (B) for the flow rate detecting rod comprises a fastening screw (27) for the flow rate detecting rod, and the flow rate detecting rod (18) is fixed to the deflection means (B) for the flow rate detecting rod by using the fastening screw (27) for the flow rate detecting rod.

Abstract: A device for measuring the flow rate of steel melt near the surface thereof. The device has a flow rate detecting rod and a deflection device for the flow rate detecting rod. The deflection device for the flow rate detecting rod has a flow rate detecting rod counterweight, a deflection bearing sleeve, a deflection bearing, a deflection angle indicating board, a deflection angle pointer and a the flow rate detecting rod fastening bolt.

Abstract: An antenna system switching method and a mobile terminal is described. The mobile terminal includes a first portion and a second portion, a first antenna system and a second antenna system. The mobile terminal has a first physical status and a second physical status according to the difference of the relative positions of the first portion and the second portion. The mobile terminal operates through the different first antenna system and second antenna system according to the difference of the physical statuses in which it is, so that an antenna ground unit and an antenna radiating unit can be located on different parts of the mobile terminal, the demand for the height of the antenna of the mobile terminal is satisfied while the light and thin of the mobile terminal is implemented.

Abstract: A method and pre-corrector for correcting signals in radio frequency links are provided. The method comprises: obtaining, in a time division order, a set of pre-distortion vectors for the respective radio frequency links by using one and the same set of pre-distortion vector obtaining means based on difference in arrival time of cyclic delay frames in the respective radio frequency links of a multiple input multiple output (MIMO) system; and correcting a subsequent signal in the respective radio frequency links by using the set of pre-distortion vectors corresponding to that radio frequency link. With the present invention, it is only required to scan a frame header once to generate an error vector table for the input signal across the entire dynamic range of power. The device can be reused by utilizing the cyclic delay frame structure, so as to achieve high linearity of a radio frequency header.

Abstract: An antenna system switching method and a mobile terminal is described. The mobile terminal includes a first portion and a second portion, a first antenna system and a second antenna system. The mobile terminal has a first physical status and a second physical status according to the difference of the relative positions of the first portion and the second portion. The mobile terminal operates through the different first antenna system and second antenna system according to the difference of the physical statuses in which it is, so that an antenna ground unit and an antenna radiating unit can be located on different parts of the mobile terminal, the demand for the height of the antenna of the mobile terminal is satisfied while the light and thin of the mobile terminal is implemented.

Abstract: The present invention discloses a wireless chip comprising a circuit layer above which a microstrip antenna is provided, and a wave-absorbing body is provided between the circuit layer and the microstrip antenna. Since the microstrip antenna is disposed above the circuit layer, the wave-absorbing body capable of absorbing energy is utilized to isolate the circuit from the antenna, and the metal film in the microstrip antenna functions not only as the RF ground of the antenna but also as a shield against any interference, it is possible to effectively address the problem of the antenna interfering with the circuit; by selecting the medium with suitable dielectric constant, the height of the chip can be prevented from being unduly increased, thereby ensuring that the chip and the wireless device using the same are both small in size. The present invention also discloses the wireless device containing the wireless chip.

Abstract: The present invention discloses a wireless chip comprising a circuit layer above which a microstrip antenna is provided, and a wave-absorbing body is provided between the circuit layer and the microstrip antenna. Since the microstrip antenna is disposed above the circuit layer, the wave-absorbing body capable of absorbing energy is utilized to isolate the circuit from the antenna, and the metal film in the microstrip antenna functions not only as the RF ground of the antenna but also as a shield against any interference, it is possible to effectively address the problem of the antenna interfering with the circuit; by selecting the medium with suitable dielectric constant, the height of the chip can be prevented from being unduly increased, thereby ensuring that the chip and the wireless device using the same are both small in size.

Abstract: A method and pre-corrector for correcting signals in radio frequency links are provided. The method comprises: obtaining, in a time division order, a set of pre-distortion vectors for the respective radio frequency links by using one and the same set of pre-distortion vector obtaining means based on difference in arrival time of cyclic delay frames in the respective radio frequency links of a multiple input multiple output (MIMO) system; and correcting a subsequent signal in the respective radio frequency links by using the set of pre-distortion vectors corresponding to that radio frequency link. With the present invention, it is only required to scan a frame header once to generate an error vector table for the input signal across the entire dynamic range of power. The device can be reused by utilizing the cyclic delay frame structure, so as to achieve high linearity of a radio frequency header.