Abstract: A method for machining a drill with tilting blade slot structures for composite machining is provided. In the machining method, a face of the drill produces a downward component force for the inlet material to inhibit the inlet material from turning up; and a cutting edge inclination of an end surface at an outer turning point in a corner region of the drill is a positive value. The face and a flank are firstly partially ground in the corner region of the drill. The face at the outer turning point is ground with a grinding wheel to obtain two tilting blade slot structures. After grinding, a new face and a new cutting edge are obtained; and the cutting edge inclination on the end surface formed by the new cutting edge and a reference plane is a positive angle.

Abstract: A computer implemented method, computer system and computer program product are provided for aspect-based sentiment analysis. According to the method, at least one sentence and at least one aspect are received by one or more processing units. At least one opinion snippet of the at least one sentence is determined based on the at least one sentence and the at least one aspect, through a trained aspect-sentence fusion model, by one or more processing units. A sentiment prediction of the at least one opinion snippet is calculated by one or more processing units for the at least one aspect.

Abstract: The present disclosure teaches semiconductor devices and methods for manufacturing the same. Implementations of the semiconductor device may include: a semiconductor substrate; a semiconductor fin positioned on the semiconductor substrate; and a gate structure positioned on the semiconductor fin, where the gate structure includes a gate dielectric layer on a part of a surface of the semiconductor fin and a gate on the gate dielectric layer; where the gate includes a metal gate layer on the gate dielectric layer and a semiconductor layer on a side surface of at least one side of the metal gate layer; and where the semiconductor layer includes a dopant, where a conductivity type of the dopant is the opposite of a conductivity type of the semiconductor fin. The present disclosure can improve a work function of the device, thereby improving a current characteristic of the device during a working process, reducing the short channel effect (SCE), and lowering a leakage current.

Abstract: A method includes receiving a plurality of product query arrays each including a plurality of individual product queries received during a single user search session. The method further includes inputting the plurality of product query arrays into the query rewrite model. Text of each of the plurality of individual product queries in each product query array is treated as a whole token. The method further includes receiving a product query from a user electronic device. The method further includes determining a query rewrite for the product query using the query rewrite model and determining search results for the product query using the query rewrite. The method further includes sending information for presenting the search results on a display of the user electronic device responsive to the product query.

Abstract: An imaging lenses and an imaging device are provided, the imaging lenses includes a first imaging lens, a second imaging lens and a third imaging lens which are arranged at intervals in sequence, wherein the first imaging lens, the second imaging lens and the third imaging lens satisfy 1.0<Fno1<Fno2<Fno3<3.0; 5.0 mm>F1>F2>F3>1.0 mm; P1<P2<P3; wherein Fno1 is an aperture number of the first imaging lens, Fno2 is an aperture number of the second imaging lens, Fno2 is an aperture number of the third imaging lens, F1 is an effective focal length of the first imaging lens, F2 is an effective focal length of the second imaging lens, F3 is an effective focal length of the third imaging lens. The disclosure solves the problem in the related art that a resolution of light of 3D structure the imaging device is low in a distant scene.

Abstract: Provided is a method for preparing a display substrate. The display substrate includes multiple pixel island regions, empty regions and connection bridge regions. The preparation method includes: forming first grooves corresponding to the pixel island regions and second grooves corresponding to the connection bridge regions on a side of a hard underlay substrate; preparing the display substrate on a side of the underlay substrate where the first grooves and the second grooves are formed, wherein the pixel island regions are located in regions where the first grooves are located, the connection bridge regions are located in regions where the second grooves are located, and the empty regions are located in regions other than the first grooves and the second grooves; and separating the underlay substrate from the display substrate to obtain the display substrate.

Abstract: A flexible display panel has a display area, a peripheral area surrounding the display area, and a bending area having at least one overlapping area with the peripheral area. The flexible display panel includes a plurality of conductive layers disposed in the display area, and at least one interdigital capacitor disposed in the at least one overlapping area. One of the at least one interdigital capacitor is disposed in a same layer with a same material as one of the plurality of conductive layers.

Abstract: An energy Internet system, an energy routing conversion device, and an energy control method, relating to a field of energy information. An alternating-current (AC) side energy routing conversion device of the energy Internet system includes a plurality of first route ports, and a direct-current (DC) side energy routing conversion device includes a plurality of second route ports, where each second route port is connected to a corresponding first route port by means of a corresponding DC busbar. A plurality of energy devices are connected to a DC busbar by means of corresponding first AC/DC converters or first DC converters. The AC side energy routing conversion device and the DC side energy routing conversion device collect energy information of the energy devices and adjust energy of the energy devices on a basis of energy balance constraint conditions.

Abstract: The disclosure provides an optical imaging lens, which sequentially includes, from an object side to an image side: a first lens with positive focal power; a second lens with negative focal power; a third lens with positive focal power; a fourth lens with focal power; a fifth lens with focal power; a sixth lens with focal power, an object-side surface of which is a convex surface and an image-side surface of which is a concave surface; and a seventh lens with negative focal power, an image-side surface of which is a concave surface. An Entrance Pupil Diameter (EPD) of the optical imaging lens and an effective focal length f of the optical imaging lens meet 1.4<f/EPD<1.98 an air space T23 between the second lens and the third lens on an optical axis and an air space T34 between the third lens and the fourth lens on the optical axis meet 0.1<T23/T34<0.3.

Abstract: The present disclosure relates to the field of display technologies, and discloses a display panel, a preparing method thereof, and a display device. The display panel has a bending area, and the display panel includes a sensing component; the sensing component includes a differential bridge connection circuit composed of a first strain sensor, a second strain sensor, a third strain sensor, and a fourth strain sensor; the first strain sensor, the second strain sensor, the third strain sensor, and the fourth strain sensor are resistance transducers, and are located in the bending area; the first strain sensor and the fourth strain sensor constitute first opposite bridge arms; the second strain sensor and the third strain sensor constitute second opposite bridge arms, and the first opposite bridge arms and the second opposite bridge arms are separately located on two sides of a neutral layer of the display panel.

Abstract: Aspects of the disclosure provide method and apparatus for video coding. In some examples, an apparatus includes processing circuitry for video decoding. In the method, a combined inter coding unit mode indicator is received. Inter-prediction information for one of a plurality of blocks in a current picture is received and the inter-prediction information includes motion information of the one of the plurality of blocks. Each of the plurality of blocks is reconstructed according to the inter-prediction information of the one of the plurality of blocks based on a determination that the combined inter coding unit indicator indicates that each of the plurality of blocks partitioned from a parent block is associated with the inter-prediction information of the one of the plurality of blocks.

Abstract: A model-adaptive multi-source large-scale mask projection 3D printing system configured to conduct the following steps: projecting pure-color images of first and second colors having identical attributes, capturing an image of an overlapping portion and calculating height and width information of the overlapping portion; splitting a pre-processed slice and respectively recording width and height information of two slices resulting from the splitting and generating two gray scale images having identical attributes thereto; counting power values of identical positions of slices in different gray scale values, performing a further calculation to obtain a projection mapping function, using the projection mapping function as a basis for performing optimization on gray scale interpolation of the generated images; and fusing the processed gray scale images and the originally split two slices to obtain a mask projection 3D printing slice having a uniform shaping brightness, and forming a final product.

Abstract: The present disclosure discloses a display panel and a detecting method thereof. By providing at least one resistance sensor in a bending region, an extending direction of the resistance sensor is perpendicular to an extending direction of an axis for bending and overlaps with the axis for bending. By electrically connecting the resistance sensor to a detecting circuit, a change of the resistance value of the resistance sensor can be reflected as a change of voltage.

Abstract: The present invention involves the application of Semen Ziziphi Spinosae oil in the preparation of drugs for treating medicinal insomnia. Semen Ziziphi Spinosae oil has a therapeutic effect on insomnia caused by ephedrine, prednisone and other drugs, and Semen Ziziphi Spinosae oil that is prepared within the pressing temperature of 80 to 100° C. has the best efficacy for treating medicinal insomnia.

Abstract: Disclosed are a fully human monoclonal antibody specifically binding to a CD137 or an antigen binding portion thereof. On one hand, provided are a CDR/variable region sequence of the antibody and an encoding nucleic acid sequence thereof; on the other hand, provided is a method for treating diseases using the antibody or the antigen binding portion thereof. a fully human monoclonal antibody specifically binding to a CD137 or an antigen binding portion thereof. On one hand, provided are a CDR/variable region sequence of the antibody and an encoding nucleic acid sequence thereof; on the other hand, provided is a method for treating diseases using the antibody or the antigen binding portion thereof.

Abstract: The present invention provides a novel partial-pressure mass spectrometer calibration device, which is mainly composed of a fine adjustment valve, a piston pressure gauge, a sample preparation chamber, a plurality of high-purity gas cylinders, a capacitive film vacuum gauge, a first-stage sample inlet chamber, a second-stage sample inlet chamber, sampling chambers, a small hole, a calibration chamber, a separation gauge and air pumping systems, wherein the sample preparation chamber is connected with the piston pressure gauge and the capacitive film vacuum gauge; the sample preparation chamber is also connected with the plurality of high-purity gas cylinders which are connected in parallel via the fine adjustment valve; a plurality of sampling chambers with different volumes are connected in parallel between the sample preparation chamber and the first-stage sample inlet chamber; a plurality of sampling chambers with different volumes are connected in parallel between the first-stage sample inlet chamber and

Abstract: A flexible base substrate, a manufacturing method thereof, and a display device are provided. The flexible base substrate includes a first flexible substrate. The first flexible substrate includes: a first flexible film layer including a flexible film layer body, and a plurality of protrusions spaced apart from each other on a surface of a side of the flexible film layer body; a first spacer layer on the first flexible film layer and including a plurality of first islands spaced apart from each other; and a first groove between adjacent first islands. The first groove is filled with a first organic material, and a height of the first organic material is smaller than a height of the first groove in a direction perpendicular to the flexible film layer body.

Abstract: A fingerprint identification display panel includes: a substrate; a plurality of sub-pixel regions including a plurality of first, second sub-pixel regions. A first driving circuit and a first light-emitting unit electrically connected thereto are sequentially disposed on the substrate and located in the plurality of first sub-pixel regions. A light shielding layer having through holes are disposed on the substrate. A plurality of light detection units are disposed at a side of the light shielding layer adjacent to the substrate, and corresponds to through holes one by one. At least one through hole is disposed in the second sub-pixel region, and a ratio of an area of an orthographic projection of the through hole on the substrate to an area of an orthographic projection of the second sub-pixel region on the substrate is greater than or equal to 30%.

Abstract: The present application provides a graphite-like crystallite-based carbon nanomaterial, and a preparation method and application thereof. The graphite-like crystallite-based carbon nanomaterial provided by the present invention is a carbon nanomaterial having graphite-like crystallites as structural units, and includes, based on 100 parts by mass of chemical composition, 50-60 parts of carbon, 30-50 parts of oxygen, and 1-3 parts of hydrogen, where the structural units of the graphite-like crystallite-based carbon nanomaterial are the graphite-like crystallites; the size of the graphite-like crystallite-based carbon nanomaterial is 5-10 nm; and the graphite-like crystallite-based carbon nanomaterial is a non-fluorescent carbon nanomaterial.