Abstract: A battery housing, a battery cell, a large-capacity battery, and a manufacturing method for the large-capacity battery are provided. The battery housing is provided with a sealing mechanism and an opening communicating with an inner cavity of the battery housing. The sealing mechanism seals the opening, and the sealing mechanism is openable by an external force. An electrolyte between the battery cells can be shared in a convenient operation mode. A plurality of battery cells are located in a uniform electrolyte system.

Abstract: A high-capacity battery and a method for repairing the high-capacity battery. The high-capacity battery includes a plurality of battery cells connected in parallel, an inner cavity of each of the plurality of battery cells includes a gas region and an electrolyte region; and the electrolyte regions of the plurality of battery cells being in communication, thereby forming a shared electrolyte system. In the high-capacity battery of the disclosure, the electrolyte regions of each of the plurality of battery cells are communicated, so that the electrolytes of all of the plurality of battery cells are in the same system, the difference among the plurality of battery cells is reduced, and the performance and cycle life of the high-capacity battery are increased.

Abstract: A construction method and use of a gastruloid stem cell line. Gastruloid stem cells that can be passaged stably are established in this research. The cells maintain the pluripotency of stem cells to a certain extent, exhibit gene and protein expression of cells from three germ layers, endoderm, mesoderm, and ectoderm, during gastrulation, and have characteristics consistent with those of cells during gastrulation, so that key characteristics of cells during gastrulation can be well reproduced. A three-dimensional gastruloid model that can mimic gastrulation can be constructed in mice or in vitro by using the stem cell line, and key biological events can be partially reproduced, so that key characteristics of post-implantation embryos during gastrulation can be well reproduced. Through this model, an in vitro platform for screening drugs affecting early embryonic development can be established, providing a reference for clinical medication.

Abstract: A battery shell, a battery cell and a large-capacity battery, which mainly solve the problem of poor performance of existing large-capacity batteries. The battery shell is provided with a first through hole and is also provided with a pipeline covering the first through hole and extending along a thickness direction of the battery shell, the pipeline is provided with a second through hole on a pipe body, and the first through hole communicates with the second through hole. An electrolyte sharing channel of a large-capacity battery is formed through the pipeline, and battery cells in the large-capacity battery may be in a unified electrolyte environment, thereby improving the performance of the large-capacity battery.

Abstract: Provided are a pole, an upper cover assembly, an electrical adapter, a battery cell and a battery pack, mainly solving the problem of heat dissipation of batteries. A through groove is formed in the pole and the electrical adapter so as to mount a heat transfer tube, so that the temperatures of the pole, the electrical adapter and the battery may be effectively controlled after being transferred by the heat transfer tube.

Abstract: An air nozzle includes a housing and an airflow regulation apparatus. The housing includes a target air outlet and an air inlet. Air flow enters the housing through the air inlet and leaves the housing through the target air outlet. The airflow regulation apparatus is located at the target air outlet and is capable of moving between a first position and a second position. The airflow regulation apparatus exerts a greater resistance against the air flow in the first position than it exerts against the air flow in the second position. When the airflow needs to be reduced, the airflow regulation apparatus is regulated to the first position to increase the resistance against the air flow at the target air outlet. When the airflow needs to be increased, the airflow regulation apparatus is regulated to the second position to reduce the resistance against the air flow at the target air outlet.

Abstract: A GNSS signal acquisition method based on FPGA step-by-step code phase refinement comprises steps as follows: (1) Coarse acquisition: correlate all received data with the locally generated carrier and the complete pseudo-random code to find the maximum correlation value; obtain the carrier and the rough code phase for fine acquisition if the maximum correlation value conforms to the acquisition threshold; otherwise, repeat Step (1). (2) Fine acquisition: feedback the carrier and the coarse acquisition code phase value from Step (1) to the controller so that the controller can intercept partial of the received signal for mixing with the local carrier from Step (1); then, correlate the result with partial pseudo-random code after eliminating the influence of the carrier to obtain a code phase with higher accuracy.

Abstract: The invention discloses a method, device and system for in-sequence live streaming, belonging to the technical field of computers. The method includes receiving a terminal type of a streamer terminal sent by the streamer terminal during the in-sequence live streaming; determining a target transcoding mode corresponding to the terminal type of the streamer terminal according to the pre-stored corresponding relation between the terminal type and the transcoding mode; and receiving live streaming data sent by the streamer terminal, transcoding the live streaming data according to the target transcoding mode, and sending the transcoded live streaming data to a viewer terminal of a live streaming room to which the streamer terminal belongs. By the invention, the user can use the mobile terminal to conduct in-sequence live streaming.

Abstract: The invention discloses a method, device and system for in-sequence live streaming, belonging to the technical field of computers. The method includes receiving a terminal type of a streamer terminal sent by the streamer terminal during the in-sequence live streaming; determining a target transcoding mode corresponding to the terminal type of the streamer terminal according to the pre-stored corresponding relation between the terminal type and the transcoding mode; and receiving live streaming data sent by the streamer terminal, transcoding the live streaming data according to the target transcoding mode, and sending the transcoded live streaming data to a viewer terminal of a live streaming room to which the streamer terminal belongs. By the invention, the user can use the mobile terminal to conduct in-sequence live streaming.