Abstract: A Fresnel liquid crystal lens structure includes a first substrate and a second substrate arranged oppositely, a first electrode, a second electrode, and a liquid crystal layer located therebetween, wherein the first electrode is a plate-shaped electrode, the second electrode includes concentric ring electrodes; concentric ring electrodes are divided into electrode groups in a first direction to divide the formed Fresnel liquid crystal lens into lens regions; each electrode group is divided into sub-electrode groups arranged periodically in a first direction to divide each lens region into sub-lens regions arranged periodically; and each sub-electrode group includes electrodes to form a sub-lens region having a step shape and the quantity of electrodes in a sub-electrode group within a different electrode set is different. A display device including the Fresnel liquid crystal lens structure and a method for driving a Fresnel liquid crystal lens are also provided.

Abstract: In example implementations described herein, there are systems and methods for processing sensor data from an equipment over a period of time to generate sensor time series data; processing the sensor time series data in a kernel weight layer configured to generate weights to weigh the sensor time series data; providing the weighted sensor time series data to fully connected layers configured to conduct a correlation on the weighted sensor time series data with predictive maintenance labels to generate an intermediate predictive maintenance label; and providing the intermediate predictive maintenance label to an inversed kernel weight layer configured to inverse the weights generated by the kernel weight layer, to generate a predictive maintenance label for the equipment.

Abstract: A high-strength coatings and methods of fabrication to yield single-crystal-like nickel containing nanotwins and stacking faults.

Abstract: A liquid crystal lens has at least two driving regions, and the liquid crystal lens includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of first electrode groups, and each first electrode group includes a plurality of first electrodes. The plurality of first electrodes included in each first electrode group is configured to receive a plurality of first driving signals in a one-to-one correspondence manner, and each driving region in the at least two driving regions corresponds to at least one first electrode group. The second electrode layer is disposed opposite to the first electrode layer, and includes at least one second electrode configured to receive at least one second driving signal in a one-to-one correspondence manner.

Abstract: An anti-seismic support method for a mine shaft includes: providing a circular support groove in a liquefaction-prone layer of the mine shaft; providing horizontal support holes in a groove wall, and fixing an outer support spring steel cylinder against the groove wall; drilling vertical support holes at a groove bottom, anchoring a vertical anchor rod group into the vertical support holes, and injecting an expansion anchoring slurry into the vertical anchor rod group; making a lower positioning support ring abut against an upper end of the vertical anchor rod group and an inner wall of the outer support spring steel cylinder; fixing an anti-seismic connecting rod group between lower and upper positioning support rings; making an outer wall of an inner support spring steel cylinder abut against the upper and lower positioning support rings; and providing an upper support cover seat atop the outer and inner support spring steel cylinders.

Abstract: An array substrate, a display panel, and a display device. The array substrate includes a plurality of pixel units arranged in a matrix, wherein each row of pixel units includes a plurality of first pixel units and a plurality of second pixel units arranged at intervals. Furthermore, the array substrate further includes: a first pixel electrode layer, a second pixel electrode layer, and a transparent insulating layer between the first pixel electrode layer and the second pixel electrode layer. In the above array substrate, for each row of pixel units, a plurality of first pixel electrodes for the plurality of first pixel units are arranged at intervals in the first pixel electrode layer, and a plurality of second pixel electrodes for the plurality of second pixel units are arranged at intervals in the second pixel electrode layer.

Abstract: A camera module comprises an image sensor having a size greater than or equal to 1/3.06 inch and less than or equal to 1/2.78 inch and a lens module comprising at least five lenses disposed in sequence between an object side and an image side of the camera module. A ratio between a half-image height of the lens module and a total track length of the camera module is greater than or equal to 0.5 and less than or equal to 0.6. A field of view of the lens module is greater than or equal to 100 degrees. An aperture of the lens module is greater than or equal to F1.8 and less than or equal to F2.4. An equivalent focal length of the lens module is greater than or equal to 10 mm and less than or equal to 20 mm.

Abstract: A camera module comprises an image sensor having a size greater than or equal to 1/3.06 inch and less than or equal to 1/2.78 inch and a lens module comprising at least five lenses disposed in sequence between an object side and an image side of the camera module. A ratio between a half-image height of the lens module and a total track length of the camera module is greater than or equal to 0.5 and less than or equal to 0.6. A field of view of the lens module is greater than or equal to 100 degrees. An aperture of the lens module is greater than or equal to F1.8 and less than or equal to F2.4. An equivalent focal length of the lens module is greater than or equal to 10 mm and less than or equal to 20 mm.

Abstract: A process and apparatus for managing hydrogen sulfide in a refinery is provided. In the process, a hydrogen sulfide stream from said refinery is fed to a sulfur recovery unit to produce sulfur and a sulfur compound stream or to a thermal oxidizer. The sulfur compound stream and the hydrogen sulfide stream are then thermally oxidized to produce a sulfur oxide stream. The sulfur oxide stream is then reacted with an ammonia stream. In aspect, the product of the reaction can be a fertilizer. The ammonia stream can be obtained from stripping the hydrogen sulfide stream.

Abstract: A liquid crystal cell, a method of driving a liquid crystal cell, and a liquid-crystal-based spectacle lens are provided. The liquid crystal cell includes: a ring-like electrode layer, a liquid crystal layer, and an opposite electrode layer. The second ring-like electrode region is concentric with the first ring-like electrode region and surrounds the first ring-like electrode region; the first ring-like electrode region is configured to drive corresponding liquid crystal molecules in the liquid crystal layer, so as to form a first Fresnel zone plate region in the liquid crystal cell; the second ring-like electrode region is configured to drive corresponding liquid crystal molecules in the liquid crystal layer, so as to form a second Fresnel zone plate region of the liquid crystal cell; an order of the second Fresnel zone plate region is smaller than an order of the first Fresnel zone plate region.

Abstract: Embodiments of this application disclose a device identification method and a related apparatus, to reduce costs of identifying whether a device that accesses a network is an AP device. The method in the embodiments of this application includes: when a type of the device that accesses the network needs to be identified, obtaining a MAC address of the access device, and obtaining a MAC address of a Wi-Fi hotspot around a network access device; and then comparing the MAC address of the access device with the MAC address of the Wi-Fi hotspot, and determining, if the MAC address of the access device and the MAC address of the Wi-Fi hotspot belong to a same address segment, that the access device is an AP device.

Abstract: Various embodiments provide for the implementation of volumetric diffractive optics equivalent functionality via cascaded planar elements. To illustrate the principle, a design 3D diffractive optics and implement a two-layer continuous phase-only design on a single spatial light modulator (SLM) with a folded system. The system provides dynamic and efficient multiplexing capability. Numerical and experimental results show this approach improves system performance such as diffraction efficiency, spatial/spectral selectivity, and number of multiplexing functions relative to 2D devices while providing dynamic large space-bandwidth relative to current static volume diffractive optics. The limitations and capabilities of dynamic 3D diffractive optics are discussed.

Abstract: The present disclosure provides a liquid crystal display panel and a liquid crystal deflection control method. The liquid crystal display panel includes a color filter substrate and an array substrate which are assembled to form a cell, and liquid crystals located therebetween. The liquid crystal display panel further includes a plurality of pixel regions. Each pixel region includes a first area and a second area, the color filter substrate in each pixel region includes a black matrix covered by an orthographic projection of the second area on the color filter substrate, a light extracting member is disposed on a side of the array substrate in each pixel region adjacent to the liquid crystals and covered by an orthographic projection of the first area on the array substrate, and the light extracting member is configured to emit vertical light. Each pixel region further includes a liquid crystal deflection control device.

Abstract: The process produces a diesel stream from a biorenewable feedstock by hydrotreating to remove heteroatoms and hydroisomerization to improve cold flow properties. Heavy diesel can be hydrocracked to jet fuel range material or further hydroisomerized to increase its value lower its freeze point while light diesel may be taken as a motor fuel.

Abstract: Embodiments of the present disclosure provide a liquid crystal display and a driving method thereof. In the liquid crystal display, orthographic projections of each of the light shielding structures and a corresponding light source on the lower substrate overlap. Light emitted from each of the light sources is incident into the liquid crystal layer in a collimated manner, and the first electrode and the second electrode are configured to form an electric field in response to voltages applied to the first electrode and the second electrode, so that liquid crystal molecules within an area of the electric field are deflected to form a convex lens structure.

Abstract: Provided are liquid crystal glasses and display panel having light leakage elimination element.

Abstract: A transparent display panel and a transparent display device are disclosed. The transparent display panel comprises a color filter substrate, an electrode layer, a blue phase liquid crystal layer configured to modulate an incident collimated natural light, and a light guide plate. The color filter substrate comprises a black matrix and pixel regions which are surrounded by the black matrix and arranged in a matrix, and each of the pixel regions on the color filter substrate is provided with a light shielding part at a central position, and an opening region surrounded by the light shielding part and the black matrix.

Abstract: A Ni-rich ternary cathode material, a preparation method and application thereof are disclosed. The method for preparing a Ni-rich ternary cathode material includes: using a Ni—Co—Mn ternary cathode material as a precursor and a metal boride as a modifier, adding a lithium-derived material, heating for a sintering, to prepare the Ni-rich ternary cathode material.

Abstract: An anti-seismic support method for a mine shaft includes: providing a circular support groove in a liquefaction-prone layer of the mine shaft; providing horizontal support holes in a groove wall, and fixing an outer support spring steel cylinder against the groove wall; drilling vertical support holes at a groove bottom, anchoring a vertical anchor rod group into the vertical support holes, and injecting an expansion anchoring slurry into the vertical anchor rod group; making a lower positioning support ring abut against an upper end of the vertical anchor rod group and an inner wall of the outer support spring steel cylinder; fixing an anti-seismic connecting rod group between lower and upper positioning support rings; making an outer wall of an inner support spring steel cylinder abut against the upper and lower positioning support rings; and providing an upper support cover seat atop the outer and inner support spring steel cylinders.

Abstract: A high-strength aluminum alloy coating. The coating includes aluminum, 9R phase, fine grains, nanotwins, stacking faults, and a solute capable of stabilizing the 9R phase, the fine grains, and the stacking faults. A method of making a high-strength aluminum alloy coating on a substrate. The method includes, depositing the constituents of an aluminum alloy on a substrate such that the deposit forms a high-strength aluminum alloy coating containing 9R phase, fine grains, nanotwins, and stacking faults. A high-strength deformation layer in and on a casting of an aluminum alloy containing 9R phase, fine grains, nanotwins, stacking faults, and a solute capable of stabilizing the PR phase, the fine grains, and the stacking faults. A method of making a high-strength deformation layer in and on a casting of an aluminum alloy by deforming the alloy such that deformation layer contains 9R phase, fine grains, nanotwins, and stacking faults.