Abstract: A foldable apparatus (10, 20) and an electronic device (100) including the foldable apparatus are disclosed. The foldable apparatus includes a first support plate (11), a middle support plate (12), a second support plate (13), a main shaft (14), a first gear connecting rod (15), and a second gear connecting rod (16). A first tooth part (121) and a second tooth part (122) on the middle support plate are respectively meshed with a first gear (151) on the first gear connecting rod and a second gear (161) on the second gear connecting rod, so that the middle support plate slides relative to the main shaft.

Abstract: The present disclosure belongs to the field of drilling fluid additives, and particularly relates to a phase-change heat storage microcapsule material suitable for cooling a drilling fluid and a preparation method therefor. The phase-change heat storage microcapsule material of the present disclosure consists of a high molecular wall material wrapped outside, a phase-change heat storage material as a core material and nano-graphite doped therein, and the microcapsules have an overall size within the range from 20 ?m to 80 ?m.

Abstract: Provided are a compound represented by formula (I), a stereoisomer, pharmaceutically acceptable salt, solvate, and eutectic or deuterated compound thereof, or a pharmaceutical composition comprising same, and a use thereof as a PARP-1 inhibitor in the preparation of a medication for treating related diseases. Each group in formula (I) is as defined in the description.

Abstract: Disclosed is an approach to implement multi-die concurrent placement, routing, and/or optimization across multiple dies. This permits the multiple dies to be modeled as a single 3D space. Instead of being limited to a 2D plane, a cell can be placed to the area of any of the dies without splitting the netlist beforehand.

Abstract: A method and apparatus is described which allows efficient optimization of integrated circuit designs. By performing a global analysis of the circuit and identifying bottleneck nodes, optimization focuses on the nodes most likely to generate the highest return on investment and those that have the highest room for improvement. The identification of bottleneck nodes is seamlessly integrated into the timing analysis of the circuit design. Nodes are given a bottleneck number, which represents how important they are in meeting the objective function. By optimizing in order of highest bottleneck number, the optimization process converges quickly and will not get side-tracked by paths that cannot be improved.

Abstract: An electrochemical machining apparatus and method for machining a workpiece. The apparatus provides a pulse of electric power, which is conducted from the workpiece, to an electrolyte flowing through a gap, and then to an electrode. Material is eroded from the workpiece when the pulse of electric power is applied, thus machining the workpiece. The apparatus includes a power supply to supply the electric power and a switching portion for producing the pulse by switching the electric power ON and OFF. The switching portion is capable of producing a pulse of electric power with a pulse duration of about 2 microseconds and a current of at least about 2800 amperes.

Abstract: An electrochemical machining apparatus and method for machining a workpiece. The apparatus provides a pulse of electric power, which is conducted from the workpiece, to an electrolyte flowing through a gap, and then to an electrode. Material is eroded from the workpiece when the pulse of electric power is applied, thus machining the workpiece. The apparatus includes a power supply to supply the electric power and a switching portion for producing the pulse by switching the electric power ON and OFF. The switching portion is capable of producing a pulse of electric power with a pulse duration of about 2 microseconds and a current of at least about 2800 amperes.