Abstract: The present disclosure provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes: a substrate; and a first semiconductor layer, a first stress releasing layer, an active layer and a second semiconductor layer that are sequentially stacked on the substrate from bottom to top; where conductive types of the first semiconductor layer and the second semiconductor layer are opposite, the first stress releasing layer comprises one or more periodic structures, each of the one or more periodic structures comprises a first group III nitride and a second group III nitride, and an In component content in the first group III nitride is different from an In component content in the second group III nitride. By the semiconductor structure provided in the present disclosure, an active layer with high In component content can be epitaxial grown while ensuring high crystal quality.

Abstract: An electronic vehicle includes A DC link capacitor and a traction inverter coupled to the DC link capacitor. The traction inverter includes a first half bridge circuit, a second half bridge circuit, and a third half bridge circuit each coupled between terminals of the DC link capacitor. The traction inverter includes a driver circuit coupled to the traction inverter configured to drive the first, second, and third half bridge circuits to generate an AC voltage in a standard operating mode. The driver circuit is configured to discharge the DC link capacitor responsive to a discharge command by toggling the first half bridge between an open condition and a closed condition while holding the second half bridge circuit and the third half bridge circuit in the open condition.

Abstract: An electronic vehicle includes A DC link capacitor and a traction inverter coupled to the DC link capacitor. The traction inverter includes a first half bridge circuit, a second half bridge circuit, and a third half bridge circuit each coupled between terminals of the DC link capacitor. The traction inverter includes a driver circuit coupled to the traction inverter configured to drive the first, second, and third half bridge circuits to generate an AC voltage in a standard operating mode. The driver circuit is configured to discharge the DC link capacitor responsive to a discharge command by toggling the first half bridge between an open condition and a closed condition while holding the second half bridge circuit and the third half bridge circuit in the open condition.

Abstract: Disclosed are a hydroxypentyl benzoic acid diester compound, a method preparing the same, and an application of the same. This application uses a combination principle, on the one hand, the medicine concentration of butylphthalide in cerebral vessels is improved through a function of promoting the medicine to penetrate through a blood-brain barrier of dexborneol, and a multi-target multi-channel synergistic brain protection effect of the medicine is exerted; on the other hand, the treatment effect of dexborneol on cerebral ischemia is exerted. Anti-cerebral ischemia in-vivo pharmacodynamic activity evaluation is carried out on the synthesized compound, a high-activity candidate medicine is obtained, and industrial production can be achieved through the synthesis method.

Abstract: In accordance with various embodiments of the present disclosure, an integrated circuit for determining an angular position of an electric motor having a rotatable shaft and a resolver is provided. In some embodiments, the integrated circuit comprises (i) an angle sampling module adapted to receive a signal from the resolver and to repeatedly determine, at an angle sampling rate, the angular position of the rotatable shaft using the signal from the resolver, (ii) an interpolation module to determine an interpolated value of the angular position of the rotatable shaft at each cycle of a motor control loop rate, and (iii) a motor control module adapted to provide a pulse width modulated (PWM) signal to the motor. The PWM signal is based at least in part on the determined interpolated value of the angular position of the rotatable shaft determined at each cycle of the motor control loop rate.

Abstract: Disclosed are a hydroxypentyl benzoic acid diester compound, a method preparing the same, and an application of the same. This application uses a combination principle, on the one hand, the medicine concentration of butylphthalide in cerebral vessels is improved through a function of promoting the medicine to penetrate through a blood-brain barrier of dexborneol, and a multi-target multi-channel synergistic brain protection effect of the medicine is exerted; on the other hand, the treatment effect of dexborneol on cerebral ischemia is exerted. Anti-cerebral ischemia in-vivo pharmacodynamic activity evaluation is carried out on the synthesized compound, a high-activity candidate medicine is obtained, and industrial production can be achieved through the synthesis method.

Abstract: An electronic vehicle includes A DC link capacitor and a traction inverter coupled to the DC link capacitor. The traction inverter includes a first half bridge circuit, a second half bridge circuit, and a third half bridge circuit each coupled between terminals of the DC link capacitor. The traction inverter includes a driver circuit coupled to the traction inverter configured to drive the first, second, and third half bridge circuits to generate an AC voltage in a standard operating mode. The driver circuit is configured to discharge the DC link capacitor responsive to a discharge command by toggling the first half bridge between an open condition and a closed condition while holding the second half bridge circuit and the third half bridge circuit in the open condition.

Abstract: The present disclosure provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes: a substrate; and a first semiconductor layer, a first stress releasing layer, an active layer and a second semiconductor layer that are sequentially stacked on the substrate from bottom to top; where conductive types of the first semiconductor layer and the second semiconductor layer are opposite, the first stress releasing layer comprises one or more periodic structures, each of the one or more periodic structures comprises a first group III nitride and a second group III nitride, and an In component content in the first group III nitride is different from an In component content in the second group III nitride. By the semiconductor structure provided in the present disclosure, an active layer with high In component content can be epitaxial grown while ensuring high crystal quality.

Abstract: An application of a combination or composition of Radix et Rhizoma Notoginseng and aspirin in the preparation of a drug for preventing and treating cardiovascular and cerebrovascular diseases, the combination or composition being as follows: the dose range of Radix et Rhizoma Notoginseng is 25-500 mg/d, and the dose range of aspirin is 20-700 mg/d. The Radix et Rhizoma Notoginseng comprises commercially available products, Radix et Rhizoma Notoginseng, an extract prepared from Radix et Rhizoma Notoginseng, an active ingredient of Radix et Rhizoma Notoginseng and a preparation of Radix et Rhizoma Notoginseng, and so on. Radix et Rhizoma Notoginseng and aspirin have a synergistic effect, while reducing gastric mucosal damage caused by aspirin.

Abstract: A resolver decoder circuit includes: a first filter circuit configured to calculate a first weighted sum of a first digital signal over a pre-determined period of time, where the first digital signal includes first digital samples of a first analog signal from a sine winding of a resolver; a second filter circuit configured to calculate a second weighted sum of a second digital signal over the pre-determined period of time, where the second digital signal includes second digital samples of a second analog signal from a cosine winding of the resolver, where the first and the second analog signals are configured to be induced by a sine signal applied to an input winding of the resolver; and a rectifier configured to generate a first output and a second output by adjusting a first sign of the first weighted sum and adjusting a second sign of the second weighted sum, respectively.

Abstract: A resolver decoder circuit includes: a first filter circuit configured to calculate a first weighted sum of a first digital signal over a pre-determined period of time, where the first digital signal includes first digital samples of a first analog signal from a sine winding of a resolver; a second filter circuit configured to calculate a second weighted sum of a second digital signal over the pre-determined period of time, where the second digital signal includes second digital samples of a second analog signal from a cosine winding of the resolver, where the first and the second analog signals are configured to be induced by a sine signal applied to an input winding of the resolver; and a rectifier configured to generate a first output and a second output by adjusting a first sign of the first weighted sum and adjusting a second sign of the second weighted sum, respectively.

Abstract: Applications of iminostilbene in preparing a medicament for treating a cardiovascular disease, specifically, cardiac cerebral ischemia/reperfusion injury. Iminostilbene is capable of reducing three myocardial enzymes and inflammatory factors during ischemia reperfusion and reduces apoptosis during ischemia reperfusion.

Abstract: An application of a combination or composition of Panax notoginseng Radix et Rhizoma Notoginseng and aspirin in the preparation of a drug for preventing and treating cardiovascular and cerebrovascular diseases, the combination or composition being as follows: the dose range of Panax notoginsenoside Radix et Rhizoma Notoginseng is 25-500 mg/d, and the dose range of aspirin is 20-700 mg/d. The Panax notoginseng Radix et Rhizoma Notoginseng comprises commercially available product products, Panax notoginseng herb Radix et Rhizoma Notoginseng, a Panax notoginseng an extract prepared from Radix et Rhizoma Notoginseng, a Panax notoginseng an active component, ingredient of Radix et Rhizoma Notoginseng and a Panax notoginseng preparation thereof of Radix et Rhizoma Notoginseng, and so on. Panax notoginseng Radix et Rhizoma Notoginseng and aspirin have a synergistic effect, while reducing gastric mucosal damage caused by aspirin.

Abstract: A portable power electronic switching apparatus may include an input end high-voltage connector, a DC-DC converter circuit, an input end transfer switch, a first inverter circuit, a direct-current output end high-voltage connector, an alternating-current output end high-voltage connector, and a conversion controller, where the input end high-voltage connector may be connected to an input end of the DC-DC converter circuit, an output end of the DC-DC converter circuit may be separately connected to an input end of the first inverter circuit and the direct-current output end high-voltage connector by using the input end transfer switch. An output end of the first inverter circuit may be connected to the alternating-current output end high-voltage connector.

Abstract: A portable power electronic switching apparatus may include an input end high-voltage connector, a DC-DC converter circuit, an input end transfer switch, a first inverter circuit, a direct-current output end high-voltage connector, an alternating-current output end high-voltage connector, and a conversion controller, where the input end high-voltage connector may be connected to an input end of the DC-DC converter circuit, an output end of the DC-DC converter circuit may be separately connected to an input end of the first inverter circuit and the direct-current output end high-voltage connector by using the input end transfer switch. An output end of the first inverter circuit may be connected to the alternating-current output end high-voltage connector.

Abstract: The present invention relates to an integrated power electronic device for electric vehicles, including an integrated box, a high-voltage cable distribution module, and an intelligent monitoring module. The high-voltage cable distribution module includes a substrate and a multiple channels of high-voltage component connection branches provided on the substrate. The intelligent monitoring module includes a CAN communication circuit provided on the substrate, an auxiliary contact detecting circuit for detecting a working state of the main contactor, an open-box detection circuit for detecting a sealing state of the integrated box, and an isolation detection circuit for detecting insulativity of an electric vehicle. The CAN communication circuit is connected, through a detection data collector, to the auxiliary contact detecting circuit, the open-box detection circuit, the isolation detection circuit, and a vehicle bus, separately.

Abstract: Disclosed are uses of drugs for treating thrombocytopenia, in particular the use of dencichine in preparation of drugs for treating thrombocytopenia. By adding pharmaceutically acceptable conventional adjuvant material, dencichine can be prepared into an oral preparation or an injection. A pharmacodynamic trial shows that the dencichine can effectively inhibit the thrombocytopenia caused by chemotherapy drugs, and treat thrombocytopenic purpura with obvious curative effect and low toxic side effects.