Abstract: A system includes a compressor. The compressor has a center body and an end cap coupled to the center body at a connection interface. The system also includes a sealing system. The sealing system includes an annular duct circumferentially extending along a connection interface between the center body and the end cap. The sealing system also includes a conduit coupled to the annular duct. The system further includes a vacuum source in fluid communication with the annular duct via the conduit. In an operational state of the vacuum source, the vacuum source is configured to generate a vacuum in the annular duct to direct gases leaking through the connection interface in the annular duct.

Abstract: A live streaming processing method, a terminal device, and a non-transitory computer readable storage medium are provided. The method includes: acquiring a domain name of a live streaming to be played by a live streaming application; acquiring an internet protocol address cache set corresponding to the live streaming application, the internet protocol address cache set including all domain names associated with the live streaming application and an internet protocol address corresponding to each domain name; and generating a first frame of the live streaming based on the domain name of the live streaming and the internet protocol address cache set.

Abstract: The present disclosure provides a live stream processing method and apparatus, a terminal device, and a storage medium, and the method includes: acquiring a network bandwidth and a round-trip time; acquiring a maximum buffer and a minimum buffer preset for a live stream when playing is started; determining a first buffer for the live stream during a playing starting stage based on the network bandwidth, the round-trip time, the maximum buffer, and the minimum buffer; and starting to play the live stream based on the first buffer.

Abstract: The present disclosure provides a method and an apparatus for determining a live streaming delay, a terminal device, and a storage medium. The method includes: determining a user type corresponding to a user watching a live stream; acquiring a network parameter for the user when watching the live stream; determining, based on the user type and the network parameter, a delay parameter for the user when watching the live stream, in which the delay parameter is associated with a delay of the user watching the live stream; and sending the delay parameter to a multimedia server, and receiving live streaming data sent by the multimedia server based on the delay parameter.

Abstract: The present disclosure relates to the technical field of die casting machine devices, in particular to a digital die casting machine with mold temperature control, including: a die casting machine configured to die-cast a casting through a mold, a cooling flow control apparatus configured to control a mold temperature by controlling a cooling medium flow, a temperature collection apparatus configured to collect the mold temperature, a control cabinet configured to acquire and store data collected by the temperature collection apparatus and control operation of the die casting machine, the cooling flow control apparatus and an automatic control apparatus, an edge computer configured to execute a die casting temperature optimization strategy according to the collected data stored in the control cabinet, and the automatic control apparatus. The present disclosure improves the molding quality of castings by adjusting the mold temperature in a casting process.

Abstract: The present disclosure relates to the technical field of computers, and discloses a method, apparatus, a computer device, and a storage medium for linkage parameter configuration. The method provided by the present disclosure includes: obtaining a target linkage parameter, wherein the target linkage parameter includes a first linkage parameter that a local device expects a target content distribution network to execute and/or a second linkage parameter that the target content distribution network expects the local device to execute; writing the target linkage parameter into header information of a hypertext transfer protocol request to obtain a target hypertext transfer protocol request; and transmitting the target hypertext transfer protocol request to the target content distribution network to cause the target content distribution network to generate a first execution policy based on the target linkage parameter.

Abstract: The present disclosure relates to the field of computer technology, and discloses a method and apparatus for determining a live streaming delay, a computer device, and a storage medium. The method provided by the present disclosure includes: sending a first clock synchronization request to a first server end node to obtain a first calibrated time difference, where the first server end node is used to process live streaming data; calibrating local time based on the first calibrated time difference to obtain calibrated time; obtaining a live streaming bitstream generated by a peer end from the first server end node to obtain a timestamp of the live streaming bitstream and a local current timestamp; and determining a live streaming delay based on the current timestamp and the timestamp of the live streaming bitstream.

Abstract: A construction method, a detection method, and application of an in vitro tissue model of diabetic cardiomyopathy. Bundles of human engineered heart tissue constructed from cardiomyocytes differentiated from induced human pluripotent stem cells are utilized to construct a disease model that simulates diabetic cardiomyopathy in which the myocardium evolves from diastolic dysfunction to systolic dysfunction upon stimulation. An in vitro tissue model of diabetic cardiomyopathy and a detection system based on altered contractile and electrical conduction properties for the same are constructed for the first time, and it is determined that a high concentration of PA is capable of inducing a change in the myocardium from unchanged contractility (impaired) to decreased contractility.

Abstract: A pod performance test system for a near space aerostat includes: a HCI test control device, a motion simulation control device, a suspension device, and a motion simulation anti-twisting mechanism. The HCI test control device is electronically connected to the motion simulation control device, the motion simulation anti-twisting mechanism and a pod of the near space aerostat separately. The motion simulation control device is electronically connected to the motion simulation anti-twisting mechanism. The motion simulation anti-twisting mechanism is connected to the pod by a connector. The motion simulation control device controls the motion simulation anti-twisting mechanism to simulate various complex motion states according to a motion control parameter from the HCI test control device, and thus the pod is in the various complex motion states. When the pod is in the various complex motion states, performance test results of the pod under the various complex motion states can be obtained.

Abstract: The present disclosure provides a method for induced differentiation of an extended pluripotent stem cell (EPSC) into a cardiomyocyte and use thereof, and belongs to the technical field of biomedicine. A reagent used for the induced differentiation is a culture medium having definite chemical components, which can obtain cardiomyocytes having high purity and stable between-batch differentiation efficiency. Compared with cardiomyocytes differentiated from existing pluripotent stem cells, the cardiomyocyte obtained has strong early proliferation ability, and more cell number can be obtained; after extended culture and construction into engineering heart microtissue, maturity is higher, the structure is more regularly arranged, and functional contractility is enhanced. Therefore, the present disclosure is a suitable for mechanism research of heart diseases, drug screening, and cell therapy, and thus has excellent practical application value.

Abstract: The present disclosure provides a method for induced differentiation of an extended pluripotent stem cell (EPSC) into a cardiomyocyte and use thereof, and belongs to the technical field of biomedicine. A reagent used for the induced differentiation is a culture medium having definite chemical components, which can obtain cardiomyocytes having high purity and stable between-batch differentiation efficiency. Compared with cardiomyocytes differentiated from existing pluripotent stem cells, the cardiomyocyte obtained has strong early proliferation ability, and more cell number can be obtained; after extended culture and construction into engineering heart microtissue, maturity is higher, the structure is more regularly arranged, and functional contractility is enhanced. Therefore, the present disclosure is a suitable for mechanism research of heart diseases, drug screening, and cell therapy, and thus has excellent practical application value.

Abstract: The disclosure relates to multilayered vesicles, methods for forming multilayered vesicles, and drug delivery complexes including multilayered vesicles. The multilayered vesicles can be formed by adding hydrophobe containing polypeptoid (HCP)-lipid complexes to unilamellar vesicles such as liposomes in an amount effective to form multilayered vesicles. The HCP-lipid complexes can be produced by mixing a hydrophobe containing polypeptoid (HCP) with a first set of unilamellar vesicles. The unilamellar vesicles and/or drug delivery complexes can include various cargoes for delivery, such as water-soluble cargoes, hydrophobic cargoes, etc.

Abstract: A display device and driving method thereof and a manufacturing method of a display substrate involve an array substrate and manufacturing method thereof. The array substrate includes: a base substrate; and a number of display sub-pixels arranged in a matrix on the base substrate. Each individual display sub-pixel includes: a pixel electrode; a first common electrode; and a second common electrode; wherein the first common electrode and the second common electrode are insulated from each other; and wherein the pixel electrode is configured to interact respectively with the first common electrode and the second common electrode so as to conduct one or more display operations.

Abstract: A display substrate includes an active area; and a gate-driver-on-array (GOA) circuit area, wherein the active area includes a display pixel area and a dummy pixel area located in the periphery of the display pixel area, and wherein the GOA circuit area includes at least one dummy GOA circuit having an output terminal connected to a pixel electrode of at least one dummy pixel.

Abstract: The present disclosure provides a drift control circuit, a drift control method, a gate driving unit, a gate driving method and a display device. The drift control circuit includes: a first drift control sub-circuit configured to, during noise releasing performed by the first pull-down module, control first electrodes of pull-down transistors included in the second pull-down module to be coupled to a first control voltage terminal, which is configured to input a first voltage to the first pull-down module during noise releasing performed by the first pull-down module; and a second drift control sub-circuit configured to, during noise releasing performed by the second pull-down module, control first electrodes of pull-down transistors included in the first pull-down module to be coupled to a second control voltage terminal, which is configured to input the first voltage to the second pull-down module during noise releasing performed by the second pull-down module.

Abstract: A variety of hydrophobically modified polypeptoids are provided. The hydrophobically modified polypeptoids can include a polyimide backbone having a random copolymer of two or more different types of repeat units, where one or more of the repeat units have nitrogen atom having a hydrophobic substituent attached thereto. Methods of making the hydrophobically modified polypeptoids are also provided, as well as uses of the hydrophobically modified polypeptoids, for example in liposomal drug delivery.

Abstract: A display device and driving method thereof and a manufacturing method of a display substrate involve an array substrate and manufacturing method thereof. The array substrate includes: a base substrate; and a number of display sub-pixels arranged in a matrix on the base substrate. Each individual display sub-pixel includes: a pixel electrode; a first common electrode; and a second common electrode; wherein the first common electrode and the second common electrode are insulated from each other; and wherein the pixel electrode is configured to interact respectively with the first common electrode and the second common electrode so as to conduct one or more display operations.

Abstract: An electrostatic protection device includes: a first conductive layer, a second conductive layer and a polarization film layer, in which the polarization film layer is disposed between the first conductive layer and the second conductive layer and formed of a piezoelectric material which is capable of deforming when applied with electricity; a conductive cantilever, disposed on the second conductive layer and including a free end; and a charge diffusion layer, disposed at a side of the conductive cantilever away from the polarization film layer, electrically connected with the first conductive layer and spaced apart from the conductive cantilever, in which upon a voltage difference between the first conductive layer and the second conductive layer reaching a predetermined value, the polarization film layer deforms to allow the conductive cantilever to connect with the charge diffusion layer.

Abstract: A variety of hydrophobically modified polypeptoids are provided. The hydrophobically modified polypeptoids can include a polyamide backbone having a random copolymer of two or more different types of repeat units, where one or more of the repeat units have nitrogen atom having a hydrophobic substituent attached thereto. Methods of making the hydrophobically modified polypeptoids are also provided, as well as uses of the hydrophobically modified polypeptoids, for example in liposomal drug delivery.

Abstract: The present application discloses a touch substrate. The touch substrate includes a base substrate; a first touch electrode layer on the base substrate and including a plurality of first touch electrodes; a second touch electrode layer including a plurality of first coils; and a third touch electrode layer including a plurality of second coils. Each of the plurality of first touch electrodes is electrically connected to one of the plurality of first coils. The third touch electrode layer is insulated from the first touch electrode layer and the second touch electrode layer.