Abstract: A shape memory ceramic is provided. The shape memory ceramic comprises a first portion and a second portion. The first and second portions of the shape memory ceramic are bonded, and the shape memory ceramic is elastomer-derived ceramic comprising silicon oxycarbide. The first portion of the shape memory ceramic is treated with ultraviolet ozone, and the second portion of the shape memory ceramic is free from treatment of ultraviolet ozone. The manufacturing and 4D printing methods of the shape memory ceramic are also provided.

Abstract: A hard optical film, a method for producing the same and use thereof. The film is an optical film with a nano-dual-phase structure, and features a regulable thickness, high visible light transmittance and hardness, a flat and uniform surface, and a great application prospect. The hard optical film is prepared on a surface of a substrate by magnetron sputtering, having high binding force between the obtained film and the substrate, such that the substrate has a very high hardness, a very strong abrasion resistance and certain corrosion resistance.

Abstract: A metal grid flexible transparent conductive film and its preparation method and applications are provided. The conductive film has a flexible substrate and a sputtered metal grid, the metal grid forming various desired patterns on the flexible substrate. Magnetron sputtering method is used to accurately control the thickness of the metal grid layer by controlling the deposition time, so as to prepare a flexible transparent conductive film with good quality, high transmittance, high conductivity and strong bending resistance. The conductive film can be used as a flexible transparent electrode material with excellent properties, and can satisfy the demand of flexible display screen or flexible electronics, and the preparation process is simple, safe and non-toxic, and it can be convenient to prepare a large-area metal grid.

Abstract: The present disclosure relates to sensor technology, and provides a method, an apparatus, and a system for vibration measurement for a sensor bracket as well as a movable device. The method is applied in a system for vibration measurement for the sensor bracket. The system includes the sensor bracket to be measured that is mounted on a movable device, and a marker on the sensor bracket to be measured, and a first sensor provided on the sensor bracket to be measured for collecting marker information. The method includes: collecting the marker information of the marker on the sensor bracket to be measured using the first sensor; determining a vibration measurement reference point based on the marker information, and obtaining vibration condition data of the vibration measurement reference point; and determining a vibration evaluation result for the sensor bracket based on the vibration condition data of the vibration measurement reference point.

Abstract: An apparatus includes a rectifier coupled to a receiver coil, the receiver coil configured to be magnetically coupled to a transmitter coil of a wireless power transfer system, wherein the rectifier is configured to convert an alternating current voltage into a direct current voltage, a first communication apparatus configured to provide a low speed communication to a transmitter of the wireless power transfer system, and a second communication apparatus configured to provide a high-speed communication to the transmitter of the wireless power transfer system, wherein the high-speed communication provided by the second communication apparatus is enabled through the low speed communication provided by the first communication apparatus.

Abstract: Provided in the present application are a device for inhibiting tumor proliferation by using an electric field, and a control method and apparatus therefor. The device for inhibiting tumor proliferation by using an electric field comprises an alternating-current voltage source and an electrode patch pair, wherein two electrode patches in the electrode patch pair are used for being attached to the skin of a user, and the alternating-current voltage source is connected to the electrode patch pair to apply an alternating-current voltage to the human tissue between the two electrode patches. The method comprises: acquiring a measured temperature value of a contact area between an electrode patch and skin, and determining, according to the measured temperature value, a target temperature value and a target temperature interval, a set output voltage value provided for an alternating-current voltage source, wherein the target temperature value is within the target temperature interval.

Abstract: A precursor is made of a polymer or the polymer and a high-temperature material. The polymer includes at least one of silicone material, cellulose, hydrogel, and acrylic acid ammonium salt polymer. The silicone material is silicone rubber, and the high-temperature material includes one of ceramics, glass, metal, diamond, and high-temperature composite material.

Abstract: The present disclosure discloses a method for synthesizing a speech. The method includes generating the speech based on a text with a speech synthesis model, wherein the speech synthesis model includes an embedding layer, a speech synthesis layer, and a position layer; and training the speech synthesis model when an evaluation index meets a preset condition, wherein the evaluation index includes one or more quality indexes determined based on at least a part of the text and at least a part of the speech.

Abstract: A lithium-ion battery negative electrode with improved temperature rise performance, and a lithium-ion battery. The negative electrode comprises a negative electrode current collector and a negative electrode material applied to the negative electrode current collector, the negative electrode material containing a conductive agent, the conductive agent comprising SP and CNT, wherein the mass ratio of SP to CNT is 30-1500, preferably 35-100, more preferably 40-70, and further preferably 50-55. The lithium-ion battery comprises a positive electrode, a negative electrode, an electrolyte and a casing, wherein the negative electrode is the negative electrode for a lithium-ion battery as described above. In the present invention, the temperature rise performance of a lithium-ion battery is improved by using a variety of conductive agents and adjusting types and proportions within the conductive agent, without increasing the proportion of conductive agent in the electrode material formula.

Abstract: Disclosed are a polymer composite material and a preparation method thereof. The polymer composite material includes a polymer base layer and a metal thin film layer provided on a surface of the polymer base layer. The metal thin film layer is made of amorphous alloy. The surface of the polymer base layer is provided with a metal thin film with an amorphous structure. In this way, the arrangement of the metal thin film with amorphous structure can not only improve the mechanical properties, wear resistance and corrosion resistance of the polymer substrate material, but also can greatly improve the toughness of the polymer substrate material, to simultaneously improve the strength and toughness of the polymer material.

Abstract: Disclosed are a soft bistable magnetic actuator, a fabrication method thereof, a fatigue testing device, and an auto underwater vehicle. The method for fabricating the soft bistable magnetic actuator includes the following operations: casting a soft precursor by injection molding, wherein the soft precursor consists of a soft deformable portion and a soft peripheral portion surrounded, the soft deformable portion is made of magnetic particles and polymer, and the soft peripheral portion is made of a magnetic particle, a mixture of organic liquid, and polymer; and extracting the organic liquid by an organic solvent shrinks the soft peripheral portion, buckles the soft deformable portion towards one side.

Abstract: An LED lighting device includes a seat (1), a first optical member (3), a first light source (21) and a second light source (22). The seat (1) includes a bottom portion (11) and a side portion (12). The first optical member (3) is disposed on the seat (1) and covers the bottom portion (11). The first light source (21) is disposed between the bottom portion (11) of the seat (1) and the first optical member (3). The second light source (22) is disposed on the side portion (12) of the seat (1).

Abstract: The present disclosure relates to a differential pressure driven burst-pipeline emergency blocking system. The system includes a valve body with flanges on opposite axial ends, a cylindrical valve sleeve connected with the inner wall of a flange end and having a through-hole in the valve sleeve wall. The wall of the valve sleeve is in movable fit with a valve spool having a U-shaped section. The working fluid through-hole in the valve sleeve is communicated with the inner chamber of the valve body and can be closed by a cylindrical surface of the valve spool. A horizontal push rod is in movable fit with a central hole at the left end of the valve spool, and opposite ends of the horizontal push rod are in movable fit with axial orifices of left and right support seats in the valve body respectively.

Abstract: A virtual keyboard setting method includes: determining an operation region and a trigger region, the operation region being a region operated in a screen for using an input method, and the trigger region being a region covered by an external entity when touching the screen; determining a display region of a virtual keyboard according to the operation region; determining an area of a virtual key in the virtual keyboard according to the trigger region; and setting the virtual keyboard according to the display region of the virtual keyboard and the area of the virtual key.

Abstract: This application relates to the field of lighting, and discloses an LED filament. The LED filament includes an LED chip unit, a light conversion layer, and an electrode. The light conversion layer covers the LED chip unit and part of the electrode, and a color of a light emitted by the LED filament after lighting is different from a color of the light conversion layer. This application has the characteristics of uniform light emission and good heat dissipation effect.

Abstract: The disclosure relates to a high-temperature high-entropy alloy with light weight and high strength in as-cast state and the preparation method thereof. The high-temperature high-entropy alloy is composed of Ti, Al, Nb, V, and Sc elements, and has an alloy composition of Ti(2.9-3.1)Al(1.9-2.1)Nb(0.8-1.2)V(1.9-2.1)Scx, where 0.1?x?0.3. Moreover, the disclosure provides a method for preparing the high-temperature high-entropy alloy by melting. The preparation method of the high-temperature high-entropy alloy with light weight and high strength proposed by the disclosure is simple with uniform organization and less casting defects, which is suitable for promotion and use.

Abstract: The present disclosure discloses a method for synthesizing a speech. The method includes generating the speech based on a text with a speech synthesis model, wherein the speech synthesis model includes an embedding layer, a speech synthesis layer, and a position layer; and training the speech synthesis model when an evaluation index meets a preset condition, wherein the evaluation index includes one or more quality indexes determined based on at least a part of the text and at least a part of the speech.

Abstract: The present disclosure discloses an inter-module connection structure and an energy storage power supply, where the inter-module connection structure includes a first component, a second component and a connecting component, where the first component is provided with a first connecting part, the second component is provided with a second connecting part, the first connecting part and the second connecting part are fitted in plug-in or lap manner, the connecting component passes through the first connecting part and the second connecting part to connect and fix the first component and the second component, and the first component and the second component, when in use, are constructed as a force-bearing component for bearing an acting force along a shear direction of the connecting component.

Abstract: Embodiments of the present disclosure provide a method for lane changing decision for vehicles on expressways considering safety risks in a networked environment, which is applicable to a multi-lane expressway. The method includes collecting a demand for lane change of a target vehicle; collecting a roadway and a lane where the target vehicle is located; collecting intervals between the target vehicle and a front vehicle and a rear vehicle on a lane that is switching into; determining a lane change direction of the vehicle; and executing a lane change operation by the target vehicle. A lane changing decision model provided in the embodiments of the present disclosure helps to improve the efficiency of lane change and the safety of lane change in expressways and provides a support for changing lanes in a multi-lane expressway.

Abstract: Tracking and/or predicting the yield of a semiconductor process. In an embodiment, a tracking method monitors the yield at each layer of the process. This can be used to determine how to proceed. In an embodiment, the prediction method measures the values of at least one attribute of each conductive via on a substrate before the lithography process. The measured values are then compared to predefined values for the same attribute, to determine any deviation. Based on this comparison, an overlay yield of the lithography process is predicted.