Abstract: Methods and devices are described for detecting code clones in a software program. The source code of the software program is processed into a group of n-gram representations. A clone index is generated for each respective code portion defined in the normalized source code, where each clone index includes a feature vector encoding features of the respective code portion based on the n-gram representations corresponding to the respective code portion. Comparison of the clone indexes is used to detect a code clone, based on matching the feature vectors of the clone indexes.

Abstract: Disclosed is a method for fermenting Gynostemma pentaphyllum with antihypertensive effect, the method comprising the following steps: 1) pretreatment of Gynostemma pentaphyllum: crushing Gynostemma pentaphyllum raw tea to prepare a homogenate; 2) activation of Tibetan Kefir: activating Tibetan Kefir in sterile milk; and 3) fermentation of Gynostemma pentaphyllum: taking the homogenate of Gynostemma pentaphyllum, the sterile milk and the activated Tibetan Kefir for fermentation.

Abstract: An electronic package is provided, in which an electronic element that is electrically connected to a plurality of conductive vias and a functional part that has a hollow area are disposed on a photonic die that has the plurality of conductive vias and at least one external connection portion, where a cladding layer covers the electronic element and the functional part, such that the external connection portion is exposed from the hollow area and the cladding layer for an optical fiber to insert into the hollow area and connect to the external connection portion, so as to achieve the purpose of optoelectronic integration.

Abstract: A device includes a substrate, a channel layer, a barrier layer, a gate electrode, and source/drain contacts. The channel layer is made of transition metal dichalcogenide. The barrier layer is over the channel layer. The gate electrode is over the barrier layer. The source/drain contacts are on opposite sides of the gate electrode and over the barrier layer.

Abstract: An electronic audio file is received that comprises spontaneous speech responsive to a prompt in a non-native language of a speaker. Thereafter, the electronic audio file is parsed into a plurality of spoken words. The spoken words are then normalized to remove stop words and disfluencies. At least one trained content scoring model is then used to determine an absence of pre-defined key points associated with the prompt in the normalized spoken words. A list of the determined absent key points can be generated. This list can then be displayed/caused to be displayed in a graphical user interface along with feedback to improve content completeness. Related apparatus, systems, techniques and articles are also described.

Abstract: An embodiment of an integrated circuit may comprise memory to store respective resource control descriptors in correspondence with respective identifiers, and an input/output (JO) memory management unit (IOMMU) communicatively coupled to the memory, the IOMMU including circuitry to determine resource control information for an IO transaction based on a resource control descriptor stored in the memory that corresponds to an identifier associated with the IO transaction, and control utilization of one or more resources of the IOMMU based on the determined resource control information. Other embodiments are disclosed and claimed.

Abstract: As disclosed herein, a system may comprise a handheld device in electronic communication with a controller. The handheld device may comprise a housing defining an internal cavity and an orifice providing access to the internal cavity. A trigger may comprise an external and an internal surface. The trigger may be oriented to cover the orifice. A transfer member may be oriented in the internal cavity and coupled to the internal surface of the trigger. A force sensor may be oriented in the internal cavity and may engage a distal end of the transfer member and the internal surface of the trigger. A transfer roller may be oriented in the internal cavity and coupled to the distal end of the transfer member. A cam may be oriented in the internal cavity and may engage the transfer member. A motor may be oriented in the internal cavity and coupled to the cam.

Abstract: A display device includes a substrate, a first light-emitting diode, an encapsulant and a first Fresnel lens. The first light emitting diode is located on the substrate. The encapsulant covers the first light emitting diode. The first Fresnel lens is located on the encapsulant and overlapping with the first light emitting diode. The width of the first Fresnel lens is 4 to 10 times the width of the first light emitting diode.

Abstract: A method for forming a semiconductor structure is provided. The method includes forming a fin structure over a substrate. The fin structure includes alternately stacking first sacrificial layers and first channel layers. The method also includes forming source/drain features on opposite sidewalls of the fin structure, etching the fin structure to form gate recesses in the fin structure, removing the first sacrificial layers of the fin structure from the gate recesses, thereby forming first gaps exposing the first channel layers, and forming a gate stack in the gate recesses and the first gaps.

Abstract: An operating method of an under-display camera system includes: providing a raw data by a pixel array; generating, by a plurality of color filters respectively disposed on a plurality of first photodiodes of the pixel array, a color information in accordance with the raw data; generating, by a plurality of first narrowband filters respectively disposed on a plurality of second photodiodes of the pixel array, a first narrowband information in accordance with the raw data, wherein a spectrum linewidth of the plurality of first narrowband filters is in a range from 5 nm to 70 nm; reconstructing an edge information from the first narrowband information based on one of a plurality of diffraction patterns provided by a database unit of a point spread function; and obtaining an image by combining the edge information with the color information.

Abstract: The invention pertains to the field of catalysts. Disclosed is a method for preparing an oxygen reduction catalyst employing graphite of a negative electrode of a waste battery. The method comprises the following steps: (1) recovering graphite slag from a waste battery, then performing heat treatment on the graphite slag; (2) performing ball-milling and mixing on the treated graphite slag, an iron salt, and a nitrogenous organic compound to acquire a catalyst precursor; (3) performing carbonization treatment on the catalyst precursor in an inert gas atmosphere to acquire a carbon-based mixture comprising iron and nitrogen; and (4) dissolving the carbon-based mixture comprising iron and nitrogen in an acid solution, performing filtration and drying, performing carbonization treatment again in an inert gas atmosphere, so as to acquire an oxygen reduction catalyst employing graphite of a negative electrode of a waste battery.

Abstract: The present invention provides an electricity-driven, micro-electroporation based drug delivery system, in particular, an electrically conductive array of microprotrusions containing intended substances or molecules to be delivered, which is to the benefit of a recipient receiving vaccination transcutaneously in the absence of any assistive mechanical or actuation means as in conventional injection methods, so as to lower safety risks, improve immunization efficiency, and also induce immune response of the recipient more effectively at a relatively lower dose of vaccines.

Abstract: Microstructures of micro and/or nano holes on one or more surfaces enhance photodetector optical sensitivity. Arrangements such as a CMOS Image Sensor (CIS) as an imaging LIDAR using a high speed photodetector array wafer of Si, Ge, a Ge alloy on SI and/or Si on Ge on Si, and a wafer of CMOS Logic Processor (CLP) ib Si fi signal amplification, processing and/or transmission can be stacked for electrical interaction. The wafers can be fabricated separately and then stacked or can be regions of the same monolithic chip. The image can be a time-of-flight image. Bayer arrays can be enhanced with microstructure holes. Pixels can be photodiodes, avalanche photodiodes, single photon avalanche photodiodes and phototransistors on the same array and can be Ge or Si pixels. The array can be of high speed photodetectors with data rates of 56 Gigabits per second, Gbps, or more per photodetector.

Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate and a via structure. The via structure is through the substrate. The via structure includes a first conductive portion, a second conductive portion, a first barrier portion, a second barrier portion, and a third barrier portion. The first conductive portion has a ring-shaped cross section. The second conductive portion is disposed at an inner side of the first conductive portion. The second conductive portion has a ring-shaped cross section. The first barrier portion is disposed at an outer side of the first conductive portion. The second barrier portion is disposed between the first conductive portion and the second conductive portion. The third barrier portion is disposed at an inner side of the second conductive portion. At least one of the first barrier portion, the second barrier portion, or the third barrier portion includes an insulating 2D material.

Abstract: The COVID-19 pandemic has led to a worldwide health crisis and devastating economic and social issues. The present invention provides a method enhancing the effectiveness of the vaccines currently used for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which comprises three incremental doses of a vaccine to elicit an enhanced immune response against in a subject. The first dose, second dose, and final dose are administered in the amount of 10-25%, 45-55%, and about 100% of the vaccine's full-strength dose, respectively.

Abstract: A memory device is provided. The memory device includes a memory array of a plurality of memory elements, a plurality of word lines or word line pairs, a plurality of bit line pairs, and a plurality of common source lines. Each of the memory elements includes two memory cells. The memory device is configured for calculating an energy value based on a plurality of state signals and a plurality of coefficients, and the two memory cells of each of the memory elements are configured for performing an individual selection such that one of the two memory cells of each of the memory elements receives two corresponding state signals from a corresponding word line or a corresponding word line pair and a corresponding bit line pair and generates an output current into a corresponding common source line for calculating the energy value.

Abstract: A network access method includes receiving, by a terminal device, a broadcast message from an access network device. The broadcast message includes identification information of one or more closed access groups (CAGs) supported by a first cell and a first default network access indication, and the first default network access indication indicates that the first cell can be accessed in a default access manner. The method also includes, in response to determining a first closed access group (CAG) list does not include the identification information of the one or more CAGs supported by the first cell, accessing, by the terminal device, the first cell based on the first default network access indication. The first CAG list is stored in the terminal device, and the first CAG list includes identification information of a CAG that is allowed to be accessed.

Abstract: An electronic package and manufacturing method thereof are provided, in which an electronic module served as a bridge element and a plurality of conductive pillars are embedded in a packaging layer, a routing structure is formed on the packaging layer, and a plurality of electronic elements are disposed on the routing structure, such that the electronic elements electrically bridge the electronic module via the routing structure.

Abstract: A memory device, for executing an anneal computation with first state and a second state. The memory device includes a first memory array, a second memory array, a control circuit, a sensing circuit and a processing circuit. the control circuit selects a first horizontal row of memory units from the first memory array, and selects a second horizontal row of memory units from the second memory array. The sensing circuit computes a local energy value of the first state according to the current generated by the memory units of the first horizontal row, and computes a local energy value of the second state according to the current generated by the memory units of the second horizontal row. The processing circuit updates the first state and/or the second state according to the local energy value of the first state and the local energy value of the second state.

Abstract: A method for processing a substrate is provided. The method includes the following operations: placing a substrate over a first injector in a substrate processing apparatus, the substrate having a front surface and a back surface opposite to the front surface, and the front surface having a plurality of concentric regions; adjusting a temperature of each of the plurality of concentric regions by controlling at least one of a flow rate and a temperature associated with a fluid dispensing from the first injector; and rotating the substrate by a spin base disposed below the substrate, the substrate is rotated with respect to a center axis perpendicular to the front surface thereof when adjusting the temperature. The spin base includes a ring opening for rotating relative to the first injector, and the first injector is displaced from a projection of a center of the substrate from a top view perspective.