Abstract: A device and method for starting a pumped storage group, and a pumped storage system are disclosed. The device includes: an acquisition module configured to acquire starting data of the group in real time; a first determination module configured to determine a real-time speed versus time curve for the group based on the starting data; and a correction module configured to correct a starting speed of the group based on a deviation between a reference speed versus time curve cluster and the real-time speed versus time curve. The real-time speed of the group during starting is visualized through a curve fitting procedure to form the real-time speed versus time curve, the real-time speed versus time curve is compared with a favorable history operation curve, and the deviation between the real-time speed versus time curve and the favorable history operation curve is corrected to adjust the starting speed of the group.

Abstract: The present disclosure discloses a method and an apparatus for identifying an S-characteristic of a pump turbine and a control method. The method for identifying an S-characteristic of a pump turbine includes: collecting a set of state parameters of the pump turbine at a preset time interval, wherein the state parameters comprise a flow rate and a rotation speed of the pump turbine; calculating a slope of a relationship curve between the rotation speed and the flow rate of the pump turbine within a current preset time interval; and determining, according to the positivity or negativity and an absolute value of the slope, whether the pump turbine enters an S-characteristic region.

Abstract: Embodiments of the present disclosure provides a solid state circuit breaker, comprising: a first switch; a second switch, connected in series with the first switch in a circuit to be protected; an operation switch, connected to the second switch, wherein the second switch is closed in a case that the operation switch is in a closed position, and is opened in a case that the operation switch is in an opened position; a micro switch, connected to the operation switch, and cable of being driven to a predetermined opened position by the operation switch during the process of the operation switch being switched from the closed position to the opened position; a position detection circuit, connected to the micro switch, capable of generating an opening feedback signal in a case that the micro switch is driven to a predetermined opened position; a control unit, connected to the position detection circuit to receive an opening feedback signal, capable of generating a predetermined opening signal based on the opening

Abstract: A culture medium for culturing mammary epithelial cells, which medium contains ?-estradiol, insulin-like growth factor 1, basic fibroblast growth factor, tumor necrosis factor-?, and optionally fibroblast growth factor 10. A method for culturing mammary epithelial cells using the culture medium, and a method and the use of cells obtained using the culture method in evaluating or screening the efficacy of a drug.

Abstract: A complementary storage unit and a method of preparing the same, and a complementary memory. The complementary storage unit includes: a control transistor, a pull-up diode and a pull-down diode. The control transistor is configured to control reading and writing of the storage unit. One end of the pull-up diode is connected to a positive selection line, and the other end thereof is connected to a source end of the control transistor, so as to control a high-level input. One end of the pull-down diode is connected to a negative selection line, and the other end thereof is connected to the source end of the control transistor, so as to control a low-level input. The pull-up diode and the pull-down diode are symmetrically arranged in a first direction.

Abstract: Monoclonal antibodies that bind and inhibit the activity of human GDF15 are disclosed. The antibodies can be used to treat body weight loss, including cachexia, associated with the over-expression of human GDF15.

Abstract: A method for performing a plasma etch process is provided. The method initiates with receiving a substrate into a chamber. A high frequency (HF) RF signal is generated, said HF RF signal being pulsed in at least a three-state cycle including a first state, a second state, and a third state. The first state is configured at a first power level; the second state is configured at a second power level less than the first power level; and, the third state is configured at a third power level less than the second power level. The second power level of the HF RF signal being in the range of about 0 W to 3500 W. The HF RF signal is applied to an electrode of the chamber for performing the plasma etch process.

Abstract: There is provided a solid-state switch device connected between a single-phase power supply source and a load, including: a phase bridge arm circuit, including a first and a second power semiconductor switches, which each includes a first, a second and a control ends and each includes a body diode, wherein the second ends of the first and the second power semiconductor switches are connected in series in phase of a single-phase power supply source; a phase voltage sampling circuit, configured to acquire sampled values of phase voltage of the phase bridge arm circuit; and a control circuit, configured to determine direction of the phase voltage according to the sampled values, turn on one of the power semiconductor switches whose body diode direction is the same as the direction of the phase voltage, and turn on the other within a half cycle after the immediate zero-crossing of the phase voltage.

Abstract: A system architecture of a fast transfer switch is provided, which includes a main power loop configured to be connected to at least two power supplies, transfer between the at least two power supplies, and output an AC signal; a first parallel bypass module configured to output an AC signal, the first parallel bypass module including an independent power supply; the main controller is configured to, in response to detecting the abnormality of the first power supply of the at least two power supplies, adjust the AC signal output by the first parallel bypass module during the transfer of the main power loop between the at least two power supplies, so as to transfer from the first power supply outputting the AC signal via the main power loop to the second power supply of the at least two power supplies outputting the AC signal via the main power loop.

Abstract: A multi-robot collaboration method in a flexible hardware production workshop is provided, by which allocation of workpiece machining tasks and transfer of workpieces in different workstations can be achieved and meanwhile relatively high calculation cost is avoided. According to the method, a distributed collaboration method is fully used, and in allusion to the current technical condition, the allocation of the workpiece machining tasks and the transfer of the workpieces in different workstations can be achieved and meanwhile the relatively high calculation cost is avoided. A multi-AGV path conflict eliminating method is used for avoiding possible collision of AGVs during movement. A centralized intervention and adjustment method is used for discovering and predicting system conflicts and failure problems and making timely dispatching and adjustment so as to improve the automation level and the flexibility level of a hardware workshop.

Abstract: Computer implemented methods, systems, and computer program products include program code executing on a processor(s) obtain factor(s) relevant to a given resource. The program code determines relationships between the factor(s). Based on parameters comprising the relationships, the program code identifies, from a search space, configuration(s) for resource(s) and configuration(s) for workload(s) in the computing environment. The program code executes, based on a pre-defined policy, a test: a workload configured according to a configuration in a system under test instance configured according to a configuration. The program code obtains performance measurements for the test in the system under test instance. The program code utilizes the performance measurements to update a known data set.

Abstract: This application provides a wearing detection method for a wearable device and the wearable device. The wearable device includes a main body, a wrist strap, and a blood pressure detection component. The blood pressure detection component includes an airbag and an air pump. The method includes: detecting that a preset condition is met, and inflating the airbag; detecting a volume expansion rate of the airbag; determining a wearing detection result of the wearable device based on the volume expansion rate; and displaying a first interface, where the first interface includes the wearing detection result.

Abstract: The present disclosure generally provides poly-alkali metal salts of flavanones, dihydrochalcones, and related polyphenolic compounds. In some aspects, the disclosure provides certain compositions that include such poly-alkali metal salts of flavanones, dihydrochalcones, and related polyphenolic compounds, such as compositions that include such poly-alkali metal salts of flavanones, dihydrochalcones, and related polyphenolic compounds and one or more sweeteners. In some other aspects, the disclosure provides methods of reducing the caloric content of a sweetened article, such as a sweetened food or beverage product.

Abstract: A method of detecting forward and reverse connection of a three-phase motor is disclosed, including: turning on a first solid-state switch pair and a second solid-state switch pair into conduction for a predetermined period of time so that current can flow between a power supply and the three-phase motor; detecting output current of a solid-state motor starter; and determining the forward and reverse connection state of the three-phase motor based on the output current of the solid-state motor starter, in a case that currents exist at a first output terminal and a second output terminal, it is determined that the three-phase motor is in the forward connection state, and in a case that currents exist at the first output terminal and a third output terminal, it is determined that the three-phase motor is in the reverse connection state. Furthermore, a solid-state motor starter is disclosed.

Abstract: The present application is at least directed to an apparatus on a network including a non-transitory memory including instructions stored thereon for beamforming training. The apparatus also includes a processor, operably coupled to the non-transitory memory, capable of executing the instructions of monitoring a first beamforming training reference signal (BT-RS) and physical broadcast channel (PBCH) of a network node to acquire symbol timing and subframe timing, where a common part of the PBCH includes a first beam ID. The processor is also configured to execute the instructions of transmitting, to the network node, a beam ID feedback with a unique training sequence generated based on the first beam ID to establish a radio resource control (RRC) connection. The processor is further configured to execute the instructions of receiving, from the network node, a second BT-RS to perform beamforming training.

Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit and an output circuit; the driving signal generation circuit generates and outputs the Nth stage of driving signal; the gating circuit controls to write the gating input signal into the first node; the output control circuit performs a NAND operation on the Nth stage of driving signal and the potential of the second terminal of the output control circuit to obtain a first output signal; the output circuit inverts the first output signal to obtain and provide an output driving signal through the output driving terminal; N is a positive integer.

Abstract: The present disclosure provides a control circuit and a control method of a bistable permanent magnet mechanism. The control circuit includes five switches, a diode and a control unit for controlling the five switches to be turned on and turned off. The control circuit enables the positive and the negative of the current passing through the coil to be adjustable at any time and avoids load breaking, without a complicated design of a driving circuit, thereby reducing the cost. It can also realize PWM control, adapt to a larger current range and different bistable permanent magnet mechanisms, and has a wide range of application scenarios.

Abstract: Provided is a display panel. The display panel includes: a base substrate having a display region and a peripheral region surrounding the display region; a plurality of pixel units disposed in the display region and including a light-emitting unit; a barrier structure disposed in the peripheral region and surrounding the plurality of pixel units; a connecting structure disposed in the peripheral region; a first insulating layer disposed between the first electrode layer and the base substrate, wherein a via hole is formed in a portion of the first insulating layer in the peripheral region; a circuit structure disposed in the peripheral region and including a first circuit structure; a second insulating layer disposed on a side of the second metal layer; and a third insulating layer disposed on a side of the second insulating layer and including a body pattern.

Abstract: A first apparatus including a processor; and a memory storing computer-executable instructions that when executed by the processor cause the first apparatus to: receive, from a second apparatus, information including Discontinuous Reception (DRX) configurations, wherein one of the DRX configurations is a first active DRX configuration and other DRX configurations are candidate DRX configurations; perform Physical Downlink Control Channel (PDCCH) monitoring in accordance with the first active DRX configuration; monitor signaling from the second apparatus for an indication that is used for adapting the first active DRX configuration; receive from the second apparatus an indication for adapting the first active DRX configuration into a second active DRX configuration; based on the indication for adapting the first active DRX configuration into the second active DRX configuration, adapt the first active DRX configuration into the second active DRX configuration; and perform PDCCH monitoring in accordance with the

Abstract: An application-level memory control group of a first application may be created when the first application is opened. An anonymous page of the first application is added to a least recently used linked list of the application-level memory control group, and a file page of the first application is added to a global least recently used linked list. An application-level memory control group is created in a dimension of an application, and an anonymous page of the application is managed in a refined manner. In addition, a file page of the application-level memory control group may be managed based on a global least recently used linked list.