Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module; a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.

Abstract: Methods, systems, and computer readable media can be operable to facilitate management of parental control settings at one or more devices based upon a detection of a control device. A central device (115) may be configured with one or more device identifiers of one or more devices that are designated as control devices. In response to a determination by the central device (115) that no control device is connected to the central device (115), the central device (115) may enable one or more parental control settings at the central device (115) and/or one or more client devices (105). When the central device (115) determines that a control device is connected to the central device (115), the central device (115) may disable one or more parental control settings at the central device (115) and/or one or more client devices (105).

Abstract: A single-operator laparoscope auxiliary operating device is provided, including a laparoscope and universal rotating mechanisms, wherein two universal rotating mechanisms are provided on the laparoscope, each of the universal rotating mechanisms includes a ball sleeve and a sleeve plate, the ball sleeve is slidably sleeved on the laparoscope, the sleeve plate is sleeved in a middle of the ball sleeve, and the ball sleeve is universally rotatable on the sleeve plate; a direction controlling mechanism; a moving mechanism; a supporting mechanism; a connecting frame, one end of the connecting frame is fixedly connected to the sleeve plate close to the lens of the laparoscope, and another end of the connecting frame is fixedly connected to the supporting mechanism; and a foot controller connected to the direction controlling mechanism and the moving mechanism.

Abstract: Active antenna units and/or base station antennas are provided that include a reflector body with heat dissipation structures that can be directly exposed to environmental conditions during use. The heat dissipation structures have frequency selective surfaces and can be formed of sheet metal or provided as separate extruded or die cast members that can be coupled to the reflector body.

Abstract: A flow splitting device for gas reverse circulation drilling, including: an upper joint for connecting with a double-wall drill pipe; an inner tube which is arranged in the upper joint and defines a first passageway in communication with an inner chamber of the double-wall drill pipe, a second passageway in communication with an annular space in the double-wall drill pipe formed between the inner tube and the upper joint; a lower joint, having an upper end fixedly connected with the upper joint and a lower end for connecting with a drill tool; and a flow guiding member provided between the upper joint and the lower joint. A flexible sealing mechanism is provided outside the upper joint. The flexible sealing mechanism extends radially outward relative to the upper joint and the lower joint to form a sealing contact with a wellbore wall.

Abstract: The present invention discloses a bacterium and an obtaining method and application thereof. The bacterium has a property of coproducing 1,3-propanediol and D-lactic acid. Further, the bacterium is Klebsiella oxytoca, including Klebsiella oxytoca PDL-5 CCTCC M 2016185. The obtaining method of the bacterium may be to obtain the bacterium by directly screening wild bacteria that satisfy conditions from the environment or performing gene engineering modification to wild bacteria. The present invention has the advantages that the bacteria can coproduce 1,3-propanediol and D-lactic acid through fermentation, the molar conversion rate and the concentration of the two products are very high, the types of byproducts are few, the concentration is low, the product extraction process is simplified, the high-efficiency biological production of 1,3-propanediol and D-lactic acid can be realized, and the industrial application prospect is very great.

Abstract: A device for removing unwanted objects from cut tobacco in a cut tobacco production line is disclosed, which includes: a raw cut tobacco feeding and conveying unit (N1), a heavy unwanted object removal unit (N2), a cut tobacco dispersion and recovery unit (N3), a moderate unwanted object removal unit (N4), a cut tobacco humidification unit (N5) and a light unwanted object removal unit (N6). An unwanted object removal method using the cut tobacco unwanted object removal device is also disclosed. The device and method of the disclosure can effectively remove unwanted objects from cut tobacco.

Abstract: A centrifugal testing device for simulating ground subsidence induced by buried pipeline leakage and infiltration includes a model box provided with a transparent observation window at a front side, a chamber partitioning plate, a damaged pipeline model, permeable plates, and a water-soil separation device. A front part of the model box is divided into a test soil chamber for filling model soil and seepage chambers located at two sides of the test soil chamber. A rear part of the model box is divided into a soil filtration chamber and water circulation supply chambers located at two sides of the soil filtration chamber. The damaged pipeline model includes a front end provided with an electric push rod for controlling a crack of the damaged pipeline model to be opened and closed and a rear end provided with a ball valve device and connected to a water pump.

Abstract: The embodiments of the present disclosure disclose a self-service express cabinet and a package delivery method. The self-service express cabinet may include: a cabinet body including a sending window and a chamber, wherein the sending window may be connected with the chamber, and the sending window may be disposed on a surface of the cabinet body; a human-machine interaction device disposed on the cabinet body for information interaction with a user; an inspection device disposed in the chamber and capable of performing security inspection on a package dropped into the chamber for delivery, wherein the inspection device may have a receiving end and an output end, and at least part of the receiving end may be located within a scope of a forward projection of the sending window; and at least one storage component disposed in the chamber and corresponding to the output end.

Abstract: A centrifugal testing device for simulating ground subsidence induced by buried pipeline leakage and infiltration includes a model box provided with a transparent observation window at a front side, a chamber partitioning plate, a damaged pipeline model, permeable plates, and a water-soil separation device. A front part of the model box is divided into a test soil chamber for filling model soil and seepage chambers located at two sides of the test soil chamber. A rear part of the model box is divided into a soil filtration chamber and water circulation supply chambers located at two sides of the soil filtration chamber. The damaged pipeline model includes a front end provided with an electric push rod for controlling a crack of the damaged pipeline model to be opened and closed and a rear end provided with a ball valve device and connected to a water pump.

Abstract: Disclosed is a method for preparing a three-dimensional porous nano composite cooling film in large scale. The cooling film is prepared from 0.1-0.5 parts of cellulose acetate, 1-5 parts of water, 20-100 parts of acetone, an additive, and 10-20 parts of nano microspheres through a cooperative formulation of cellulose acetate, nano microsphere materials and the additive. The composite cooling film is obtained by self-deposition of cellulose acetate and nano microspheres, and liquid volatilization during film forming process leads to formation of the three-dimensional porous structure. The film has an effect of enhancing radiation of infrared heat into space, which could significantly reduce a temperature of a substrate surface and achieve rapid and strong cooling. The film could achieve effective cooling without external power and other active cooling equipment, with or without sunlight.

Abstract: The present invention discloses a Nb and Al-containing titanium-copper alloy strip, characterized in that the weight percentage composition of the titanium-copper alloy strip comprises: 2.00-4.50 wt % Ti, 0.005-0.4 wt % Nb, and 0.01-0.5 wt % Al, balance being Cu and unavoidable impurities. Preferably, in the microstructure of the titanium-copper alloy strip, the number of Nb and Al-containing intermetallic compound particles with a particle size of 50-500 nm is not less than 1×105/mm2, and the number of Nb and Al-containing intermetallic compound particles with a particle size greater than 1 ?m is not more than 1×103/mm2. Under the condition of ensuring excellent bendability, the titanium-copper alloy strip has excellent stability, especially the stability of mechanical properties at high temperatures. The present invention also relates to a method for producing the titanium-copper alloy strip.

Abstract: Disclosed is a lighting device with low-power consumption, including: a rectification circuit, a supply circuit of intelligent module, an intelligent module, a silicon controlled dimming circuit, a white light driving circuit, a white light lamp panel, a RGB driving circuit, and a RGB lamp panel. The above lighting device with low-power consumption can provide maintenance current through the silicon controlled dimming circuit. During operation of the white light driving circuit, the silicon controlled dimming circuit keeps working consistently. When the lighting function is turned off, the silicon controlled dimming circuit turns off the output and enters a standby state.

Abstract: The present disclosure relates to a metal wheel rotation device, comprising a watch body, which is provided with a watch case face cover and a watch case bottom cover at the upper and lower ends respectively, a watch case middle frame is fixedly arranged between the watch case face cover and the watch case bottom cover, a watch movement is sleeved in the watch case middle frame, and the watch movement is engaged in the watch case middle frame; an adjustment structure is provided in the middle position of one side of the watch case middle frame corresponding to a watch movement button, the adjustment structure is fixedly connected to the watch case middle frame by screws. This design transfers the adjustment structure of the watch case to the middle position. A rotating structure is composed of a rubber ring, a threaded rod metal structure and an external handle head. The rotating structure drives the watch movement to adjust and rotate.

Abstract: The present application relates to a field of motor, in particular, relates to a brushless direct current motor and a hair dryer using the same, which includes a main body and a driver. The driver includes a driving board configured for integrating driving components, a control board configured for integrating control components and a wiring board configured for wiring. The driving board is provided at a side of the wiring board away from the stator end of the main body. A plane where the driving board is located is parallel to an extending direction of the stator end of the main body towards the wiring board. The driving board is configured to be electrically connected with the wiring board and the control board respectively. The present application has an effect of improving a heat dissipation efficiency of the driving components of the motor in the hair dryer.

Abstract: The present application relates to a field of motor, in particularly, relates to an integrated high speed brushless DC motor, which includes a main body and a driver. The driver includes a driving board configured for integrating driving components, a control board configured for integrating control components and a wiring board configured for wiring. The driving board is provided at a side of the wiring board away from the stator end of the main body, and the driving board is electrically connected with the wiring board and the control board respectively.

Abstract: An application installation package of a first application includes a first description file and a second description file that are used to perform interface description and interface behavior definition on a UI of the first application. The first description file and the second description file use different interface description languages. The first description file uses a first interface description language, and the second description file uses a second interface description language. When an electronic device runs the first application, a first UI engine reads, parses, and executes the first description file, to generate a first part of a first UI; and a second UI engine reads, parses, and executes the second description file, to generate a second part of the first UI.

Abstract: The present disclosure discloses a modified high-nickel cathode material, where the modified high-nickel cathode material is a SO42--doped modified high-nickel cathode material, and SO42- is distributed in a secondary particle with a content gradient from high inside to low outside. A preparation method of the modified high-nickel cathode material includes: mixing a high-nickel cathode material, a lithium source, and a sulfate, and sintering a resulting mixture to obtain a matrix material; and water-washing and drying the matrix material to obtain the modified high-nickel cathode material. The present disclosure increases a migration rate of lithium ions in the material and greatly improves the initial capacity of the material, which reduces an energy barrier for migration of lithium ions, increases a migration rate of lithium ions among primary particles of the material, and improves the safety performance of the material.

Abstract: The present application relates a two-wire communication control device and a multi-purpose device. The two-wire communication control device includes a signal receiving module, a first control module, at least one second control module, a power supply module, a coding module, and a decoding module. The signal receiving module is connected to the first control module, the first control module is connected to the coding module, the coding module is connected to the power supply module, the decoding module is connected to the coding module, the decoding module is further connected to the second control module, the power supply module is connected to a live wire and a neutral wire, the power supply module is further connected the first control module and the second control module, one of the coding module and the decoding module is connected to the live wire, and the other is connected to the neutral wire.

Abstract: An application interface layout method includes that a developer sets a layout container having an adaptive layout capability in a layout file of an application, where the adaptive layout capability includes at least one of an extension capability, a proportion capability, an equalization capability, a wrapping capability, a hiding capability, a stretching capability, or a scaling capability. In this way, when running the application, an electronic device arranges, based on a screen parameter of the electronic device and the adaptive layout capability of the layout container in the layout file, a size and a location of a child view in the layout container on a display interface.