Abstract: A gas-fired steam boiler, including multiple heat exchange tubes, an upper steam header, a lower steam header, a casing, a burner, a condenser, a chimney, and a controller. The heat exchange tubes are vertically arranged to form an annular tube row. A space enclosed by the annular tube row is configured as a furnace. Adjacent two heat exchange tubes are combined to form a gap channel evenly distributed along a circumferential direction. A width of the gap channel is 0.1-4 mm, and a circumferential length of the gap channel is 50-300 mm. A length of the gap channel along an axial direction of the heat exchange tube is the same as a length of the heat exchange tube.

Abstract: A system includes a first converter configured to receive a first signal and convert the first signal into a second signal. The system also includes a second converter configured to receive the first signal and convert the first signal into a third signal. The system also includes a control system configured to perform a verification operation on the second signal based on the third signal. The control system is also configured to perform a first diagnostic operation on the first converter during a first duration of time. The control system is also configured to perform a second diagnostic operation on the second converter during a second duration of time. The first duration of time and the second duration of time occur at different time periods. The control system is also configured to receive first complement data from the second converter during the first duration of time. The control system is also configured to receive second complement data from the first converter during the second duration of time.

Abstract: The application provides a monitoring method, electronic device and storage medium. The method includes determining a target area to be monitored from an acquired image of a monitored scene; determining a target capture posture and a target capture focal length according to the target area; and controlling a Pan Tilt Zoom (PTZ) camera to capture according to the target capture posture and the target capture focal length. The application can monitor any object within the monitored scene using the PTZ camera with a good capture effect.

Abstract: Provided is a use of a regulator of ITPRIPL1 in the preparation of a drug that regulates immune responses or resists tumors, the regulator being used to increase or decrease the expression or function of the ITPRIPL1 gene or protein in an organism. Also provided is a pharmaceutical composition, which comprises the regulator used in the use. Also provided are an isolated ITPRIPL1 recombinant protein and an antibody that recognizes and binds to the ITPRIPL1. On the basis of the principle that an ITPRIPL1 protein binds to CD3? and NRP2 receptors to regulate the functions of different immune cells, and then participates in the regulation of immune responses and a process of immune evasion of a tumor, it is confirmed that a regulator of ITPRIPL1 may be used to prepare a drug or a pharmaceutical composition, and may be applied to suppress tumors, autoimmune disease, transplant rejection, allergies and infections and other diseases.

Abstract: The application provides a monitoring method, electronic device and storage medium. The method includes determining a target area to be monitored from an acquired image of a monitored scene; determining a target capture posture and a target capture focal length according to the target area; and controlling a Pan Tilt Zoom (PTZ) camera to capture according to the target capture posture and the target capture focal length. The application can monitor any object within the monitored scene using the PTZ camera with a good capture effect.

Abstract: Provided are exosomes sourced from a granulocyte myeloid-derived suppressor cell and an application thereof. The exosomes are named as G-MDSC exo. Also provided is a use of the exosomes in preparing a drug used for suppressing autoimmune diseases. The G-MDSC exo can effectively suppress proliferation of CD4+T cells in vitro, promote induced proliferation of T regulatory (Treg) cells, alleviate foot swelling of model mice having delayed-type hypersensitivity, and suppress attacks of inflammatory bowel disease (IBD) and collagen-induced arthritis (CIA) of the mice.

Abstract: Methods and display devices are provided for switching subtitles that are displayed on a screen. Switching subtitles includes storing, from a first cache and into a second cache, a second subtitle(s) synchronized with a first subtitle, where the first cache stores multi-language subtitles obtained by decoding a video file. The first subtitle is displayed in synchronization with video data in the video file, while the first subtitle and each of the second subtitle(s) have a same start time and a same end time, even while corresponding to different languages. In response to receiving a subtitle switching instruction that includes information associated with a first target language while the first subtitle is being displayed, one of the second subtitle(s) corresponding to the first target language from the second cache is read as a third subtitle, and the third subtitle is displayed.

Abstract: Methods and display devices are provided for switching subtitles that are displayed on a screen. Switching subtitles includes storing, from a first cache and into a second cache, a second subtitle(s) synchronized with a first subtitle, where the first cache stores multi-language subtitles obtained by decoding a video file. The first subtitle is displayed in synchronization with video data in the video file, while the first subtitle and each of the second subtitle(s) have a same start time and a same end time, even while corresponding to different languages. In response to receiving a subtitle switching instruction that includes information associated with a first target language while the first subtitle is being displayed, one of the second subtitle(s) corresponding to the first target language from the second cache is read as a third subtitle, and the third subtitle is displayed.

Abstract: Provided are exosomes sourced from a granulocyte myeloid-derived suppressor cell and an application thereof. The exosomes are named as G-MDSC exo. Also provided is a use of the exosomes in preparing a drug used for suppressing autoimmune diseases. The G-MDSC exo can effectively suppress proliferation of CD4+T cells in vitro, promote induced proliferation of T regulatory (Treg) cells, alleviate foot swelling of model mice having delayed-type hypersensitivity, and suppress attacks of inflammatory bowel disease (IBD) and collagen-induced arthritis (CIA) of the mice.

Abstract: A method and apparatus for adaptive power saving for a mobile subscriber unit in a wireless communication network includes receiving beacons from an access point, measuring timing periods between received beacons, determining a delay in timing periods, and associating the delay in timing periods to a change in a quality of a communication link. The link quality can be quantified and used for reconfiguring power-save parameters in response to a change in link quality.

Abstract: A method and apparatus for adaptive power saving for a mobile subscriber unit in a wireless communication network includes receiving beacons from an access point, measuring timing periods between received beacons, determining a delay in timing periods, and associating the delay in timing periods to a change in a quality of a communication link. The link quality can be quantified and used for reconfiguring power-save parameters in response to a change in link quality.