Abstract: The wearable electronic device includes a housing and a circuit board assembly. The circuit board assembly is located inside the housing, and is fastened relative to the housing. The housing includes a carbon fiber material, and the housing has an inner surface. The housing includes a conductive layer disposed on the inner surface. The conductive layer electrically connects the carbon fiber material scattered in the housing. The housing is electrically connected to the circuit board assembly by using the conductive layer. In the technical solution, the housing is integrally formed as a conductor by using the conductive layer disposed on the inner surface of the housing, and the housing is further electrically connected to the circuit board assembly by using the conductive layer.

Abstract: A device for radar target feature recognition based on optical time-delay fast interference scanning. The device includes an antenna unit, an electro-optical converter, an optical time-delay numerical control scanning device, an optical combiner, a photoelectric detector and a power characteristic analysis device. The device quickly scans the delay amount of the two signals through the optical delay line, and calculates the power of the combined signal through photoelectric conversion and linear power detection. By observing the relationship between the combined power and the delay time, the rapid identification of the target radar signal characteristics is realized.

Abstract: The present disclosure provides a driving method for a liquid crystal display panel and a non-transitory computer storage medium. The driving method includes: for the plurality of sub-pixels, adopting a first gray-level table for displaying a picture in other frame pictures other than a first frame picture in each of the plurality of predetermined periods, the first gray-level table including a plurality of first gray-level values; and adopting a second gray-level table for displaying a picture in the first frame picture in each of the plurality of predetermined periods, the second gray-level table including a plurality of second gray-level values.

Abstract: Embodiments of this application disclose a common aperture antenna and a communication device. The common aperture antenna includes: a reflection panel and a low frequency antenna unit, a frequency selective panel, and a high frequency antenna unit that are disposed on the same side as the reflection panel and are arranged in sequence. In the direction perpendicular to the reflection panel, the distance between the high frequency antenna unit and the reflection panel is greater than the distance between the low frequency antenna unit and the reflection panel, the frequency selective panel is disposed between the high frequency antenna unit and the low frequency antenna unit, and the frequency selective panel is a reflection ground of the high frequency antenna unit and has a total reflection characteristic for the working frequency of the high frequency antenna unit.

Abstract: Adhesive compositions comprising a polyester polyol that includes residues of at least one 2,2,4,4-tetraalkylcyclobutane-1,3-diol, including, for example, 2,2,4,4-tetramethylcyclobutane-1,3-diol (TMCD). Adhesive compositions may exhibit enhanced properties as compared to conventional adhesive compositions, and may be suitable for a wide variety of end use applications, including, flexible packaging, woodworking, automotive uses, and electronics.

Abstract: A benthonic animal isolation frame and a method for studying an aquatic ecosystem by using the same is provided. The benthonic animal isolation frame includes side surfaces and a bottom surface of the isolation frame as hollow structures. Joints of the side surfaces and the bottom surface are provided with clamping grooves. The bottom surface is provided with a filter membrane; and the filter membrane is fixed on the bottom surface through the clamping grooves. The benthonic animal isolation frame can be used for easily studying the influence of the benthonic animal and excrement thereof on a water body ecological system.

Abstract: An air conditioning system, comprising an outdoor unit and an indoor heat exchange mechanism. The indoor heat exchange mechanism comprises an air conditioner indoor unit and a first heat exchange mechanism used for at least one among water cooling, water heating and space heating. The present air conditioning system integrates various functions into one, such as air-conditioning refrigeration, air-conditioning heating, producing household cold water, producing household hot water, and home heating by means of connecting indoor units for cooling and heating, a water cooling mechanism, a water heating mechanism and a device for floor heating located indoors to one outdoor unit. Moreover, the system directly utilizes high-temperature refrigerant to heat water for floor heating.

Abstract: A display panel with a display region and a non-display region includes a base substrate; a device layer, disposed on one side of the base substrate, covering the display region, and including a cathode layer; and an encapsulation part, arranged around the device layer in the non-display region and including a metal pad layer surrounding the cathode layer. The metal pad layer and the cathode layer are separated by a gap. The cathode layer has a first irregularly-shaped edge, including first deformed portions and second deformed portions that are alternately distributed. Each first deformed portion extends convexly in a direction toward the metal pad layer, and each second deformed portion extends concavely in a direction away from the metal pad layer. In an extending direction of the first irregularly-shaped edge, a length of the first deformed portion is less than or equal to a length of the second deformed portion.

Abstract: A fully-automatic production line and an automatic production method for rubber sealing rings. The fully-automatic production line includes a ring forming area, a molded vulcanization area, a flash removal area, a two-stage vulcanization area, an online detection area, a packaging and labeling area, and a control room. An automatic production line for rubber sealing rings involves the steps of loading and transferring, molded vulcanization, flash removal, second-stage vulcanization, packaging and labeling, and the like. The fully-automatic production line solves the technical problems in the prior art that the production of rubber sealing rings fails to adopt the molded vulcanization process, and meanwhile the specifications of the produced rubber sealing rings are single.

Abstract: Present disclosure discloses a method for recovering phosphorus and iron, and use thereof. The method comprises the following steps of: S1: mixing iron salt and phosphorus-containing sewage according to the amount of the phosphorus-containing sewage to obtain a mixture, the concentration of the iron salt in the obtained mixture being 4 mg/L to 25 mg/L, fermenting the mixture at 20° C. to 60° C. for 2 days to 10 days, taking a fermentation supernatant, and removing the impurities; and S2: oxidizing the fermentation supernatant subjected to impurity removal in an acidic system. The present 10 disclosure provides the method for recovering phosphorus and iron, which realizes high efficient recycling of phosphorus resources in sludge.

Abstract: Provided are a method for driving a display panel, and a display device. When switching from a first picture to a second picture is performed and the second picture is displayed in at least two consecutive display frames, display data of the second picture is received in the current display frame of the second picture; whether the second picture is a poor picture is determined according to the display data and a poor picture determining condition; and when the second picture is a poor picture, a display panel is controlled to perform scanning driving every at least one row of sub-pixels, and in two rows of sub-pixels subjected to scanning driving, when the first row of sub-pixels has been driven and the second row of sub-pixels is being driven, display data corresponding to the second row of sub-pixels is loaded to a data line connected to the second row.

Abstract: A platform for testing the excavation resistance of a small-sized backhoe excavator is provided. The testing platform comprises a bucket, a mechanical arm device, a measuring device, a workbench frame, and a control device. The bucket is hinged to the mechanical arm device, which is fixed on the workbench frame; the control device is electrically connected to the measuring device, data acquired by the measuring device is used to construct a force balance equation, and through force analysis, excavation resistance is obtained.

Abstract: The present invention provides a massage device, comprising: a massaging head; an eccentric wheel with a shaft hole; a driver with a driving shaft that passes in the shaft hole of the eccentric wheel to drive the eccentric wheel rotating; a slider slidably installed in the eccentric wheel; a connecting rod connected to the slider and the massage head whereby the driving shaft drives the slider rotating to take the massaging head moving back and forth by the connecting rod for beating a user' muscle; and a movable seat with a shaft hole for the driving shaft passing through the shaft hole; wherein the slider is radially slidable relative the shaft hole to move close to or away from the driving shaft so as to change an eccentric radium of the eccentric wheel; and accordingly, a movement depth of the massaging head is adjustable.

Abstract: A method for flying start control of a motor, a computer readable medium, and a power conversion system having an inverter and a controller configured by computer executable instructions in a memory to perform flying start of a rotating motor by field weakening control to control the motor responsive to the motor speed exceeding the rated speed or other non-zero threshold at startup of the power conversion system. The method includes measuring a motor speed of a motor, responsive to startup of a power conversion system, and performing a flying start operation using field weakening control to control the motor responsive to the motor speed exceeding a non-zero threshold at startup of the power conversion system.

Abstract: The present application relates to an anti-tumor compound and a preparation method and use thereof, and in particular to a compound or a tautomer, a mesomer, a racemate, an enantiomer or a diastereoisomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, and a preparation method and use thereof.

Abstract: Various implementations of a smart battery management system are provided. An example method includes identifying sensor data of a cell in a battery system; predicting, based on the sensor data, a failure event of the cell; and preventing the failure event by activating a control circuit connected to the cell.

Abstract: A composite coated form of lithium cobalt oxide is described that can achieve improved cycling at higher voltages. Liquid phase and combined liquid and solid phase coating processes are described to effectively form the composite coated powders. The improved cycling positive electrode materials can be effectively combined with either graphitic carbon negative electrode active materials or silicon based high capacity negative electrode active materials. Improved battery designs can achieve very high volumetric energy densities in practical battery formats and with reasonable cycling properties.