Abstract: An eyeball tracking method and a virtual reality device are disclosed. The eyeball tracking method is applied to the virtual reality device, the virtual reality device comprises at least two cameras, and shooting areas of the cameras are partially overlapped. The eyeball tracking method comprises the steps of: acquiring images captured by at least two cameras at a same moment; superimposing overlapping areas in the images to obtain a target image including an eyeball area; and performing eyeball tracking according to the target image. The accuracy of eyeball tracking can be improved.

Abstract: A flexible antimicrobial glass capable of effectively inhibiting the reduction of silver ions includes the following components in percentages by mass: 55-65% of SiO2, 16-25% of Al2O3, 5-12% of Na2O, 0.5-4% of K2O, 2-8% of MgO, 0-1% of CaO, 0-2% of ZiO2, 0.1-1% of Ag2O, 0.2-3.55% of CoO, and 0-0.5% of Na2S. The above constituting raw materials compose a batch, and the batch is melted and molded. The flexible antimicrobial glass can perfectly inhibit the reduction of silver ions into elemental silver, such that the yellowing of the glass is effectively controlled; it has antimicrobial performance, and the strength and toughness of the glass are prevented from damage because the flexible glass is thin. The glass has an antimicrobial activity grade of grade II, with the antimicrobial R being greater than or equal to 3, and has visible light transmittance at 380-780 nm of greater than or equal to 91%.

Abstract: A self-cleaning food processor, comprising a main machine, a processing chamber and an electric motor, wherein the processing chamber is internally provided with a crushing blade driven by the electric motor; and the processing chamber comprises an upper cavity, a lower cavity, and a connecting section located between the upper cavity and the lower cavity, the lower cavity being fixedly arranged on the main machine, the upper cavity being detachably arranged relative to the lower cavity, the connecting section being arranged on the upper cavity, and the connecting section at least partially protruding into the processing chamber relative to the lower cavity. The food processor further comprises a cup body assembly which is removable and replaceable with the upper cavity.

Abstract: An OLED glass with improved optical performance relates to the field of glass production and manufacturing, and is manufactured from the following raw materials in percentage by weight: 57-62% of SiO2, 20-24% of Al2O3, 0.5-2% of B2O3, 2-5% of BaF2, 8-11% of SrO, 0.5-1.5% of BeF2, 0.2-0.5% of SnO2, 0.3-1.0% of La2O3, 0.2-1.0% of P2O5, 0.2-0.8% of AlF3, and 0.1-0.3% of AgNO3. Silicon dioxide and aluminum oxide are sieved and stirred uniformly, mixed uniformly with the remaining raw materials, melted, thinned in a tin bath and formed, annealed, and cut, to obtain a product. The glass not only meets the performance of optical glass, but also has excellent mechanical performance and thermal performance, which has an improved application prospect in OLED glass and display industries.

Abstract: This invention relates to glycosyltransferase and an application thereof.

Abstract: Provided are a lens module and a terminal device. The lens module includes a plurality of lenses. Any one of lenses has an image surface and an objective surface, and the objective surfaces and the image surfaces include at least one smooth surface. An angle between a tangent line of a point within an optically effective diameter and a tangent line of the center of the smooth surface is 0°-20°. At least one of the plurality of lenses is a specific wavelength-absorbing glass lens, and at least one smooth surface is arranged on the specific wavelength-absorbing glass lens. The lens module further includes an ultraviolet infrared cutoff film, which is arranged on the smooth surface of the specific wavelength-absorbing glass lens. The present application can at least reduce the thickness of the lens module, improve the angular drift problem, and attenuate the ghosting phenomenon.

Abstract: The present invention relates to a group of glycosyltransferase, and an application thereof.

Abstract: Disclosed are a near-eye display device, an eye command recognition method and a readable storage medium. The near-eye display device includes: an eyeglass frame, a lens and a transparent electrode layer; the lens is provided on the eyeglass frame, the transparent electrode layer is provided on a surface of the lens, and the transparent electrode layer is configured to detect capacitance changes at the position of the human eye. The eye command recognition method includes: controlling the transparent electrode layer of the near-eye display device to obtain capacitance information at the position of the human eye; determining motion of the human eye based on the capacitance information; and converting the determined motion of the human eye into control commands for controlling the near-eye display device.

Abstract: The present application discloses a focal length adjustment method, device, apparatus and computer readable storage medium for AR glasses, the method includes: receiving a focal length adjustment command, and displaying a preset circle with a preset reference radius through a display module; capturing a first image of the preset circle in an eye of a wearer of the AR glasses through the camera to obtain a first captured image, and determining a first imaging radius of the preset circle in the first image according to the first captured image; determining target diopter of the eye of the wearer according to the preset reference radius and the first imaging radius; and determining a target deflecting angle of the display module according to the target diopter, and adjusting the display module according to the target deflecting angle.

Abstract: A processing device for film cooling holes on blade of aviation engine includes a working box. A workpiece clamping mechanism is arranged in the working box for holding the workpiece. A cover body having an internal space communicated with an internal space of the working box is connected to an upper part of the working box. A laser processing mechanism is connected to a top end of the cover body and can produce laser rays to carry out laser processing on the workpiece. The cover body is connected to a liquid supply mechanism and an acid gas filtration mechanism. The liquid supply mechanism can spray an acidic solution to the workpiece in the working box, and the working box can collect the acidic solution. The acid gas filtration mechanism can filter acid steam produced during processing. A working method of the processing device is also provided.

Abstract: The present invention relates to a compound as shown in formula (I). The present invention also provides a composition and preparation containing the compound, and a method for using and preparing the compound.

Abstract: A bolster beam is correspondingly connected to a connection base by means of a damping unit; the radial dimensions of an outer wall of an inner supporting member and an inner wall of an outer supporting member gradually decrease from one end to the other end in a vertical direction; one of the inner supporting member and the outer supporting member is connected to the connection base, and the other one is connected to the bolster beam; when in use, the inner supporting member and the outer supporting member tend to be close to each other, and since surfaces, close to each other, of the two are configured to be tapered, the two can-not be relatively separated; when getting closer to each other, the inner supporting member and the outer supporting member produce a compression action on an intermediate buffer member, and the intermediate buffer member is elastically deformable.

Abstract: A display calibration method for a head-mounted device is disclosed in the present disclosure. The method comprises: controlling a camera to take a first eye image when a user wears the head-mounted device; determining a human eye gazing position according to the first eye image, wherein the human eye gazing position is a position of a human eye gazing point on the head-mounted device; retrieving a preset gazing position of the head-mounted device and calculating positional deviation information of the preset gazing position compared to the human eye gazing position; and adjusting a screen display position of the head-mounted device according to the positional deviation information.

Abstract: A low dielectric sealing glass powder for a miniature radio-frequency glass insulator is made of the following raw materials expressed in molar percentages: SiO2: 70.5-74.0%, B2O3: 20.5-23.5%, Ga2O3: 0.5-2.0%, P2O5: 0.25-2.0%, Li2O: 0.4-6.0%, K2O: 0.1-1.5%, LaB6: 0.05-1.0%, and NaCl: 0.03-0.3%. The raw material components are simple, and the preparation method is easy to implement. The dielectric constant and dielectric loss of the prepared glass powder are low, and the melting and molding temperature is low, which are convenient for large-scale industrial production. The melting and molding temperature of the low dielectric sealing glass powder ranges from 1320° C. to 1360° C., and the obtained glass has a dielectric constant ranging from 3.8 to 4.1 and a dielectric loss ranging from 4×10?4 to 10×10?4 at a frequency of 1 MHz, and a sealing temperature ranging from 900° C. to 950° C.

Abstract: An eyeball tracking method and a virtual reality device are disclosed. The eyeball tracking method is applied to the virtual reality device, the virtual reality device comprises at least two cameras, and shooting areas of the cameras are partially overlapped. The eyeball tracking method comprises the steps of: acquiring images captured by at least two cameras at a same moment; superimposing overlapping areas in the images to obtain a target image including an eyeball area; and performing eyeball tracking according to the target image. The accuracy of eyeball tracking can be improved.

Abstract: Disclosed are a near-eye display device, an eye command recognition method and a readable storage medium. The near-eye display device includes: an eyeglass frame, a lens and a transparent electrode layer; the lens is provided on the eyeglass frame, the transparent electrode layer is provided on a surface of the lens, and the transparent electrode layer is configured to detect capacitance changes at the position of the human eye. The eye command recognition method includes: controlling the transparent electrode layer of the near-eye display device to obtain capacitance information at the position of the human eye; determining motion of the human eye based on the capacitance information; and converting the determined motion of the human eye into control commands for controlling the near-eye display device.

Abstract: A self-cleaning food processor, comprising a main machine (100a), a processing chamber (200a) and an electric motor (101a), wherein the processing chamber (200a) is internally provided with a crushing blade (201a) driven by the electric motor (101a); and the processing chamber (200a) comprises an upper cavity (300a), a lower cavity (400a), and a connecting section (500a) located between the upper cavity (300a) and the lower cavity (400a), the lower cavity (400a) being fixedly arranged on the main machine (100a), the upper cavity (300a) being detachably arranged relative to the lower cavity (400a), the connecting section (500a) being arranged on the upper cavity (300a), and the connecting section (500a) at least partially protruding into the processing chamber (200a) relative to the lower cavity (400a).

Abstract: Provided herein are antibodies and methods of use thereof. The antibodies as disclosed herein bind to CD163+ on cells, such as on macrophages. These antibodies can be used in methods of treatment, such as methods of treating cancer and fibrosis.

Abstract: A low dielectric sealing glass powder for a miniature radio-frequency glass insulator is made of the following raw materials expressed in molar percentages: SiO2: 70.5-74.0%, B2O3: 20.5-23.5%, Ga2O3: 0.5-2.0%, P2O5: 0.25-2.0%, Li2O: 0.4-6.0%, K2O: 0.1-1.5%, LaB6: 0.05-1.0%, and NaCl: 0.03-0.3%. The raw material components are simple, and the preparation method is easy to implement. The dielectric constant and dielectric loss of the prepared glass powder are low, and the melting and molding temperature is low, which are convenient for large-scale industrial production. The melting and molding temperature of the low dielectric sealing glass powder ranges from 1320° C. to 1360° C., and the obtained glass has a dielectric constant ranging from 3.8 to 4.1 and a dielectric loss ranging from 4×10?4 to 10×10?4 at a frequency of 1 MHz, and a sealing temperature ranging from 900° C. to 950° C.

Abstract: The present application discloses a focal length adjustment method, device, apparatus and computer readable storage medium for AR glasses, the method includes: receiving a focal length adjustment command, and displaying a preset circle with a preset reference radius through a display module; capturing a first image of the preset circle in an eye of a wearer of the AR glasses through the camera to obtain a first captured image, and determining a first imaging radius of the preset circle in the first image according to the first captured image; determining target diopter of the eye of the wearer according to the preset reference radius and the first imaging radius; and determining a target deflecting angle of the display module according to the target diopter, and adjusting the display module according to the target deflecting angle.