Abstract: A virtual reality experience safe area updating method and apparatus are provided. belonging to a Virtual Reality technical field. Virtual reality experience safe area update unit, including: A safe area setting module configured to set an initial safe area; obstacle detecting module, configured to detect obstacle around the user; the safe area update module is configured to update the range of the safe area according to the detected obstacle.

Abstract: Formulations usable in additive manufacturing such as 3D inkjet printing which provide a transparent material when hardened, are provided. The formulation are designed so as to provide transparent objects or parts thereof with improved transmittance and color properties such as yellowness index, compared to commercially available formulations. The formulations comprise a photoinitiator at a relatively low amount and designed mixture of curable materials.

Abstract: An inflatable ornament is disclosed, including an inflatable body. The inflatable body is surrounded by a membrane material, an inflatable fan is arranged on the inflatable body, the inflatable body expands after being inflated. A first swinging portion is arranged on the inflatable body, the first swinging portion is connected with the inflatable body, a swinging drive is arranged in the first swinging portion, and the swinging drive drives the first swinging portion to swing. A second swinging portion is connected with the inflatable body, the second swinging portion is connected with the first swinging portion via at least one connecting piece. When the first swinging portion swings, the first swinging portion drives the second swinging portion to swing via the connecting piece. The swinging structure is simple and is not easy to be damaged, thereby reducing the production cost and prolonging the service life of a product.

Abstract: Disclosed is an electrolytic capacitor including an anode body, a dielectric layer formed on the anode body, a cathode body, and a separator and an electrolyte that are disposed between the dielectric layer and the cathode body. At least part of the separator is coated with a conductive metal oxide.

Abstract: The invention discloses an adaptive path planning method based on neutral networks trained by the evolutional algorithms, the neutral network training method comprises input and output of the data acquired by the mobile sensors installed on the mobile robots as the neutral networks, and training and optimization of the recurrent neutral networks based on the evolutional algorithms; the path planning method refers to the application of the trained neutral networks to the path planning of the mobile robot, the invention effectively improves local quick search capability and global search capability of the algorithms by applying the evolutional algorithms to the optimization of the recurrent neutral networks, so that the robot can plan a rational path in a dense and uncertain environment.

Abstract: The present disclosure discloses a lithium-manganese rich material and a preparation method and a use thereof.

Abstract: A method of fabricating a semiconductor device includes forming a cut-off region in at least one mandrel line among a plurality of mandrel lines, conformally forming a spacer material layer in the plurality of mandrel lines and a non-mandrel area and forming a cut spacer in the cut-off region and depositing a gap-fill material such that a cut block is formed on a portion of the non-mandrel area and a concave portion of the cut spacer is filled.

Abstract: A wireless communication terminal device for operating a work vehicle that autonomously travels includes: a device main body 70 having a display 74 that is capable of accepting a touch panel operation; and an emergency-stop remote controller 71 having an emergency stop button 72 that is used to stop autonomous travel of the work vehicle. The device main body 70 and the emergency-stop remote controller 71 perform wireless communication with the work vehicle via different wireless communication networks having different communication schemes, respectively.

Abstract: A liquid crystal display panel and a driving method of a liquid crystal display panel. The driving method includes: providing a first gate signal to a first gate line corresponding to a first row of sub-pixels among the plurality of rows of sub-pixels, in which the first gate signal includes an on period and an off period used to control the first row of sub-pixels to be turned on and off respectively; writing, during the on period of the first gate signal, a plurality of first data signals to sub-pixels among the first row of sub-pixels through the plurality of data lines, and during the on period of the first gate signal, a first writing time length of a negative polarity data signal is less than a second writing time length of a positive polarity data signal.

Abstract: A method may include forming a mask layer on top of a first dielectric layer formed on a first source/drain and a second source/drain, and creating an opening in the mask layer and the first dielectric layer that exposes portions of the first source/drain and the second source/drain. The method may include filling the opening with a metal layer that covers the exposed portions of the first source/drain and the second source/drain, and forming a gap in the metal layer to create a first metal contact and a second metal contact. The first metal contact may electrically couple to the first source/drain and the second metal contact may electrically couple to the second source/drain. The gap may separate the first metal contact from the second metal contact by less than nineteen nanometers.

Abstract: The present invention disclosed a series of novel matrine ?-ketoamine derivatives as shown in formula I, which could inhibit the overexpression of TNF-? and/or activate the immune killing function of the NK cells, thus could be used to treat autoimmune diseases, inflammatory diseases, neurodegenerative diseases and tumors mediated by the abnormal levels of TNF-? and/or NK cell dysfunction.

Abstract: The present disclosure provides a rotary dumbbell. The rotary dumbbell includes a handle part, a base part, weight parts arranged at two ends of the handle part respectively, and a transmission self-locking mechanism and a driven mechanism which are arranged at the two ends of the handle part respectively and abut against the weight parts respectively. The transmission self-locking mechanism includes a transmission assembly and a self-locking ring; the transmission assembly includes a planetary gear transmission mechanism, a first output screw, a long nut and a first screw spline. The driven mechanism includes a decorative ring, a second handle flange, a second transition flange and a driven assembly. The driven assembly includes a second output screw and a second screw spline; the weight parts are provided with weight plates with a dovetail groove structure; and the base part is provided with an unlocking thimble.

Abstract: A detachable shoe cover includes a shoe cover main body having a receiving cavity, an elastic opening edge portion defining an opening provided around a top edge portion of the shoe cover main body, and an interconnection arrangement for interconnecting a plurality of the detachable shoe covers to be installed in a dispenser apparatus. The interconnection arrangement includes a front portion of the shoe cover main body, a rear portion of the shoe cover main body, two front joint perforations provided in the front portion, and two rear joint perforations provided in the rear portion.

Abstract: A cutting method of a display panel comprises: along a first cutting line (A), cutting a color-film substrate of a to-be-cut display panel (501); and along a second cutting line (B), cutting an array substrate of the to-be-cut display panel to obtain a display panel; wherein, in a target direction parallel to the to-be-cut display panel, the second cutting line (B) is located between the first cutting line (A) and a display region of the to-be-cut display panel, and in the target direction, a distance between the first cutting line (A) and the second cutting line (B) is a preset distance (502).

Abstract: Provided are dryness raiser and method for improving steam dryness of a steam injection boiler. Technical solutions of the dryness raiser and the method are that: a plurality of compressed air circulation holes perpendicular to a front end head are provided in the middle of a flange bolt hole of the front end head in a compressed air inlet passage, and the compressed air inlet passage is connected to a fuel pipe passage by the compressed air circulation holes; and a plurality of compressed air heat dissipation holes are provided in a front end face of the front end head, and are perpendicular to and are connected to the compressed air circulation holes, air heat dissipation nozzles are disposed at tail ends of the compressed air heat dissipation holes, and a plurality of air heat dissipation jet orifices are evenly distributed on circumferences of the air heat dissipation nozzles.