Abstract: TA preparation method for off-the-shelf human umbilical cord-derived mesenchymal stem cells includes culturing an isolated umbilical cord tissue blocks to obtain P0 cells; carrying out passage on the P0 cells twice to obtain P2 cells, and cryopreserving the P2 cells; the cryopreserved P2 cells are subjected to thawing and passage twice to obtain P4 cells, and the P4 cells are cryopreserved; the cryopreserved P4 cells are subjected to thawing and passage once to obtain P5 cells, and the P5 cells are sequentially digested, washed and resuspended to obtain the human umbilical cord-derived mesenchymal stem cells. The present invention also adopts cryopreservation method to develop a cryopreservation preparation of human umbilical cord-derived mesenchymal stem cells. The cryopreservation preparation is convenient for storage and can be directly administered intravenously after thawing without changing the liquid, avoiding possible contamination risk during dispensing, and is more conducive to clinical use.

Abstract: A method for attenuation map generation may include obtaining first PET data relating to first background events occur during a first PET scan, which is performed by a PET scanner with no subject within a detection tunnel of the PET scanner; obtaining second PET data relating to second background events occur during a second PET scan, which is performed by the PET scanner with a subject within the detection tunnel; generating, based on the first PET data and the second PET data, a target attenuation map of the subject, wherein the first background events and the second background events may occur when a first particle and a second particle are detected by crystal units of the PET scanner within a background coincident window, and the first particle and the second particle may be different types of particles produced by a radioactive decay of a crystal material of the PET scanner.

Abstract: A semiconductor structure includes a metal gate structure having a gate dielectric layer and a gate electrode. A topmost surface of the gate dielectric layer is above a topmost surface of the gate electrode. The semiconductor structure further includes a conductive layer disposed on the gate electrode of the metal gate structure, the conductive layer having a bottom portion disposed laterally between sidewalls of the gate dielectric layer and a top portion disposed above the topmost surface of the gate dielectric layer. The semiconductor structure further includes a contact feature in direct contact with the top portion of the conductive layer.

Abstract: The present disclosure discloses a set of novel epigenetic biomarkers for early detection, prediction of treatment response and prognosis of colorectal cancer. Aberrant methylation of the epigenetic biomarkers can be detected in tumor tissues and plasma samples from colorectal cancer patients but not in normal individuals. The present disclosure also discloses primers and probes used herein.

Abstract: A converter bottom blowing system comprises a first gas source connected in parallel with a lime powder silo, a lime powder blowing tank and a first injector, where a first cut-off valve is arranged between the lime powder blowing tank and the first injector; a second gas source connected in parallel with the biochar powder silo, the biochar powder blowing tank and the second injector, where a second cut-off valve is arranged between the biochar powder blowing tank and the second injector; a converter, where a plurality of bottom blowing lances are arrayed at a bottom of a converter, the bottom blowing lances are connected with the first injector and the second injector through a three-way valve, a third cut-off valve is arranged between the first injector and the three-way valve, and a fourth cut-off valve is arranged between the second injector and the three-way valve.

Abstract: An example semiconductor package comprises a semiconductor die having a top surface, a bond pad formed on the top surface, a bond wire having a first end and a second end, wherein the first end is attached to the bond pad. The semiconductor package having a contact pad, wherein the second end of the wire bond is attached to the contact pad by a stitch bond, the stitch bond having a plateau region formed between a cut end and a ramped portion, wherein a bottom surface of the plateau region forms an attachment to the contact pad.

Abstract: Various illustrative aspects are directed to a data storage device, comprising one or more disks; an actuator mechanism configured to position one or more heads proximate to a corresponding disk surface of the one or more disks; and one or more processing devices. The one or more processing devices are configured to apply a pre-bias current to the assistive energy emitter at a first value while the selected head is positioned proximate to one or more spiral patterns on the corresponding disk surface. The one or more processing devices are further configured to apply the pre-bias current to the assistive energy emitter at a boosted value while the selected head is not positioned proximate to the one or more spiral patterns, wherein the boosted value is greater than the first value.

Abstract: Disclosed is a method and system for achieving optimal separable convolutions, the method is applied to image analyzing and processing and comprises steps of: inputting an image to be analyzed and processed; calculating three sets of parameters of a separable convolution: an internal number of groups, a channel size and a kernel size of each separated convolution, and achieving optimal separable convolution process; and performing deep neural network image process. The method and system in the present disclosure adopts implementation of separable convolution which efficiently reduces a computational complexity of deep neural network process. Comparing to the FFT and low rank approximation approaches, the method and system disclosed in the present disclosure is efficient for both small and large kernel sizes and shall not require a pre-trained model to operate on and can be deployed to applications where resources are highly constrained.

Abstract: Presented herein is a stage area for “focused” video that is configured to allow for dynamic layout changes during an online video conference or meeting. By providing a user interface environment that allows a user (meeting participant) to customize the stage, each participant can choose their own view, and the meeting host can fully customize a view for every participant in the meeting.

Abstract: A fail-safe input/output device includes an input/output circuit, a comparator circuit and a resistance adjustment circuit. The input/output circuit transmits a voltage having a higher voltage level in a first supply voltage and a second supply voltage to a first node to generate a driving voltage, wherein a first target level of the first supply voltage is lower than a second target level of the second supply voltage. The comparator circuit compares the first supply voltage with the second supply voltage to generate a control signal, and selectively transmits the first supply voltage to the first node according to the control signal. The resistance adjustment circuit adjusts a resistance between the first node and a second node according to the second supply voltage, wherein the input/output circuit transmits the second supply voltage to the first node via the second node.

Abstract: A device includes source/drain regions, a gate structure, a source/drain contact, and a tungsten structure. The source/drain regions are over a substrate. The gate structure is between the source/drain regions. The source/drain contact is over one of the source/drain regions. The tungsten structure is over the source/drain contact. The tungsten structure includes a lower portion and an upper portion above the lower portion. The upper portion has opposite sidewalls respectively set back from opposite sidewalls of the lower portion of the tungsten structure.

Abstract: The invention discloses a molecular sieve SCR catalyst and a preparation method, the preparation method comprising the steps of: (1) heating deionized water to 60-90° C., and adding a soluble copper salt and an additive to stir and dissolve the same to prepare a copper solution; (2) heating the deionized water to 20-90° ° C., adding a soluble yttrium salt to dissolve the same, and when maintaining the temperature, adding a molecular sieve with a silicon-aluminum ratio of ?24 and stirring the same; when maintaining the temperature, adding a copper solution and stirring to perform ion exchange; (3) cooling the solution after the ion exchange in step (2), adding an adhesive, stirring and ball-milling the mixture, and standing to obtain a slurry; (4) coating the slurry onto a support, drying and then calcining to obtain a molecular sieve SCR catalyst.

Abstract: The present application relates to particular anti-PAD4 (peptidyl arginine deiminase 4) antibodies, nucleic acids encoding the antibodies, vectors and host cells comprising the nucleic acids, and methods of making and using the antibodies.

Abstract: Semiconductor structures and methods for manufacturing the same are provided. The semiconductor structure includes nanostructures spaced apart from each other in a first direction and a gate structure formed over and around the nanostructures. The semiconductor structure further includes a gate spacer covering a sidewall of the gate structure and a source/drain structure attached to the nanostructures in a second direction. The semiconductor structure further includes a contact spaced apart from the gate structure by the gate spacer in the second direction and a first conductive structure landing over the gate structure. The semiconductor structure further includes a second conductive structure formed over the gate spacer. In addition, a portion of the second conductive structure is sandwiched between the first conductive structure and the contact.

Abstract: A rapid detection tool for a coaxial relationship based on a photosensitive material and a detection method using the same are used to detect coaxiality of two through-holes in the same workpiece to be detected. An image processing unit and a control unit are mounted outside a light-shielding box. Light sources, cameras, sensors, and an air cylinder are mounted in the light-shielding box. A photosensitive plate coated with a photosensitive resin is placed between the two holes, and two sides are irradiated by the light sources. Coordinates of centers of circular patterns formed on the photosensitive plate are calculated so that a coaxial relationship between the two holes can be accurately obtained. An output rod of the air cylinder is controlled to extend outward to reject a workpiece to be detected not meeting requirements.

Abstract: An active device substrate including a substrate, a transfer wire, a first insulating layer, a second insulating layer, a first semiconductor pattern, a second semiconductor pattern, a first connection structure, a second connection structure, a first gate, a second gate, a third insulating layer, a first source/drain, and a second source/drain is provided. The first insulating layer is located above the transfer wire. The second insulating layer is located above the first insulating layer. The first semiconductor pattern and the second semiconductor pattern are located between the first insulating layer and the second insulating layer. The first connection structure and the second connection structure are located above the second insulating layer and electrically connected to the transfer wire. The first gate and the second gate respectively overlap the first semiconductor pattern and the second semiconductor pattern.

Abstract: A control valve includes a valve body and a valve core; the valve body comprises a side wall part; the control valve has a valve cavity, the control valve comprises at least five channels, one end of each channel is in communication with the valve cavity, and the other end forms a valve port of the control valve; the valve core includes an internal guide passage cavity, a plurality of external guide passage cavities, a first separation plate, and a second separation plate; the first separation plate is located between the internal guide passage cavity and an external guide passage cavity, and the second separation plate is located between two adjacent external guide passage cavities; the first separation plate has a communication hole, and the internal guide passage cavity is in communication with a portion of the external guide passage cavities by means of the communication hole.

Abstract: A control valve includes a valve body and a valve core. The valve core includes a top plate, a bottom plate, a first stop block and a valve core shaft assembly. The valve core shaft assembly includes a transmission connection part. At least part of the transmission connection part is position on the side of the top plate away from the bottom plate. The first stop block is fixedly connected to the top plate to form an integrated structure. The first stop block extends from the top plate in a direction away from the bottom plate. The valve body further includes a top wall part and a second stop block that are positioned at one end in the height direction of the side wall part. The top wall part and the side wall part are integrally formed. The top wall part is provided with a through hole.

Abstract: In an embodiment, a device includes: a gate electrode; a epitaxial source/drain region adjacent the gate electrode; one or more inter-layer dielectric (ILD) layers over the epitaxial source/drain region; a first source/drain contact extending through the ILD layers, the first source/drain contact connected to the epitaxial source/drain region; a contact spacer surrounding the first source/drain contact; and a void disposed between the contact spacer and the ILD layers.

Abstract: A control valve, includes a valve body, a valve core, and a sealing component. The control valve includes communication ports; the communication ports are communicated with a valve cavity (101); the communication ports comprise first communication ports; the first communication ports are arranged along the height direction of a side wall portion and the circumferential direction of the side wall portion; two first communication ports is arranged on the side wall portion along the circumferential direction of the side wall portion; the sealing component includes a sealing body portion; the sealing body portion is located between the valve core (20) and the side wall portion; the sealing body portion has through holes.