Abstract: A flow cell and a liquid chromatographic unit are provided. The flow cell includes a housing, a cell core, a liquid-core waveguide, an inlet connection assembly and an outlet connection assembly. The cell core is provided in the housing, and is provided with a liquid feed recess, a liquid channel and a liquid discharge recess therein. The liquid-core waveguide is provided in the liquid channel. The inlet connection assembly is provided at an end of the cell core, and includes an inlet press block, a liquid feed tube, and a light entering tube. The outlet connection assembly is arranged at another end of the cell core and is provided with a light exit hole.

Abstract: A system for virtual commissioning of a building management system includes one or more memory devices configured to store instructions that, when executed by one or more processors, cause the one or more processors to: receive, at a virtual server, product installation data from a building management system controller installed at a building site via a first connection, the product installation data corresponding to a product installation at the building site; receive, commissioning data from the remote commissioning system via a second connection; configure one or more products installed at the building site to be controlled by the virtual building management system on the virtual server; and selectively transfer control of the one or more products installed at the building site from the virtual building management system hosted at on the virtual server to the building management system controller installed at the building site.

Abstract: An ion-conducting structure comprises a metal-fibril complex formed by one or more elementary nanofibrils. Each elementary nanofibril can be composed of a plurality of cellulose molecular chains with functional groups. Each elementary nanofibril can also have a plurality of metal ions. Each metal ion can act as a coordination center between the functional groups of adjacent cellulose molecular chains so as to form a respective ion transport channel between the cellulose molecular chains. The metal-fibril complex can comprise a plurality of second ions. Each second ion can be disposed within one of the ion transport channels so as to be intercalated between the corresponding cellulose molecular chains. In some embodiments, the metal-fibril complex is formed as a solid-state structure.

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes: a base substrate at least including a pixel area and a hole area; a plurality of sub-pixels arranged on the base substrate and located in the pixel area; a hole in the hole area; a first barrier dam arranged between the sub-pixels and the hole and at least partially surrounding the hole; an organic material layer including at least one film layer, wherein an orthographic projection of the organic material layer on the base substrate falls within the pixel area; and a filling structure, wherein at least a portion of the filling structure is arranged between the hole and the first barrier dam, and the filling structure and the at least one film layer of the organic material layer are located in the same layer and include the same material.

Abstract: A display substrate includes: a base substrate including a display region and a non-display region surrounding the display region; a plurality of sub-pixels in the display region; a plurality of power lines in the display region, the plurality of power lines extending along a first direction, and being electrically connected to the plurality of sub-pixels and being configured to provide power signals for the plurality of sub-pixels; a plurality of dummy sub-pixels in the non-display region on one side of the display region along the first direction; and a plurality of dummy power lines in the non-display region, the plurality of dummy power lines extending along the first direction, the plurality of dummy power lines and the plurality of dummy sub-pixels being on the same side of the display region.

Abstract: The present disclosure provides an item recommendation method and system based on importance of item in a conversation session and a system thereof. In the present disclosure, an importance extracting module extracts an importance of each item in the conversation session, and then a long-term preference of a user is obtained in combination with the importance and the corresponding item, and then a preference of the user is obtained accurately in combination with a current interest and the long-term preference of the user, and finally item recommendation is performed according to the preference of the user. In this way, the accuracy of the item recommendation is improved.

Abstract: A microelectromechanical systems (MEMS) accelerometer is provided, comprising a substrate disposed in a plane defined by a first axis and a second axis perpendicular to the first axis; a first proof mass and a second proof mass coupled to the substrate and configured to translate in opposite directions of each other along a third axis perpendicular to the first and second axes; and at least one lever coupling the first proof mass to the second proof mass, wherein, the MEMS accelerometer is configured to detect acceleration along the third axis via detection of translation of the first and second proof masses along the third axis; and the MEMS accelerometer exhibits symmetry about the first and second axes.

Abstract: An x-ray source assembly includes an anode stack including a source spot upon which electrons impinge with power being supplied to the assembly, and a control system to facilitate maintaining intensity of output x-rays from the x-ray source assembly during operation. The control system is configured to actively control temperature of the anode stack relative to a setpoint or defined setpoint range. The control system heats the anode stack in a heating mode, when an anode stack temperature is below the setpoint or defined setpoint range, and switches to a cooling mode to cool the anode stack when the anode stack temperature rises above the setpoint or defined setpoint range.

Abstract: A two-step optimization method for scheduling transmissions in an MIMO (multi-input multi-output) includes determining a first phase code for each transmission according to a first equation, placing each first phase code in a set of first phase codes, and determining a cost function of the set of first phase codes, determining a second phase code for each transmission according to a second equation, determining an updated cost function corresponding to replacing each of the first phase codes with a corresponding one of the second phase codes, and determining which set of phase codes has a smaller cost function.

Abstract: The structure includes a semiconductor chip connected to a substrate via one or more solder balls. The semiconductor chip includes one or more on-chip metal winding. The structure includes a first ferromagnetic core. The first ferromagnetic core is located below the semiconductor chip and above the substrate. The structure includes a second ferromagnetic core. The second ferromagnetic core is located above the semiconductor chip. The first ferromagnetic core and the second ferromagnetic core create a magnetic loop.

Abstract: Embodiments for implementing a softmax function in an analog circuit. The analog circuit may comprise a plurality of input nodes to accept voltage inputs; a plurality of diodes connected to each of the plurality of input nodes to perform a current adding function; a log amplifier coupled to the plurality of diodes; a plurality of analog adders coupled to the voltage inputs and an output of the log amplifier; and a plurality of exponential amplifiers, each of the plurality of exponential amplifiers coupled to one of the plurality of analog adders.

Abstract: A display substrate, a manufacturing method and a display device are provided. The display substrate includes a scan driving circuit; the scan driving circuit includes a plurality of shift register units, at least one shift register unit includes a signal output line and an output circuit, the output circuit includes an output transistor and an output reset transistor; the signal output line includes a first output line portion extending along the first direction; the first output line portion is coupled to the second electrode of the output transistor or the output reset transistor through a plurality of first or second signal line via holes arranged in a signal line overlap area, and the plurality of first or second signal line via holes are arranged along the first direction.

Abstract: A display substrate and a display panel are disclosed. The display substrate includes a base substrate having an active area and a peripheral area surrounding the active area; a plurality of sub-pixels, in the active area; a plurality of first pins and a plurality of second pins located in the peripheral area; a plurality of first array test pins located between the plurality of first pins and the plurality of second pins and respectively electrically coupled to a plurality of array test signal lines; and a plurality of second array test pins located between the plurality of first pins and the plurality of second pins and extending in a direction along a boundary of the active area, wherein the plurality of first array test pins are located on at least one side of the plurality of second array test pins in the direction along the boundary of the active area.

Abstract: Methods and systems for controlling current consumption by an electrical load of a first circuit board are described. In an example, a device of a first circuit board can measure a current being drawn by the electrical load of the first circuit board from a second circuit board. The device can generate a control signal based on a current difference between the measured current and a target current. The control signal can represent a load control parameter. The device can apply the control signal to the electrical load of the first circuit board to adjust a current consumption by the electrical load.

Abstract: The semiconductor structure includes a semiconductor-on-insulator (SOI) substrate. A group III nitride transistor is formed in a trench in the SOI substrate. The activation of the group III nitride transistor is controlled by a silicon-based transistor. The silicon-based transistor that includes a portion of a silicon layer of the SOI substrate. A group III nitride transistor device is adjacent to the silicon-based transistor.

Abstract: The present disclosure provides an array substrate, a method for manufacturing an array substrate and a display panel. The array substrate includes: a base having a display area, a peripheral area surrounding the display area, and a visible area located between the display area and the peripheral area; a plurality of voltage signal lines disposed on the base; a metal strip disposed on the base, the voltage signal lines are coupled to the metal strip, at least a portion of the metal strip is located in the visible area, and the portion of the metal strip located in the visible area is provided with an opening.

Abstract: An intelligent riveting system comprising a hydraulic riveting tool (1), a riveting position identification system, a riveting displacement detection system, a riveting pressure detection system and a central processing system, wherein the central processing system acquires image information and carries out position identification, encoding and storage to form riveting position data in one-to-one correspondence, acquires real-time displacement data and riveting oil pressure data of each riveting position to form real-time data corresponding to riveting displacement values and riveting pressure values, and compares same with a standard to carry out quality determination. By means of the intelligent riveting system, a riveting position and an installation parameter are automatically identified and acquired, and the riveting quality is automatically determined; and by means of storing data during riveting and installation, the traceability of rivet installation quality can be achieved.

Abstract: An electrical impedance tomography apparatus (100) and method. The electrical impedance tomography apparatus (100) consists of a sensing module (101), a data acquisition module (102), a communication module (103), a data processing module (104), an image display module (105) and a power supply module (106). The electrical impedance tomography apparatus (100) is applicable to medical imaging, can employ an in vivo electrode to perform multi-frequency-one-time excitation and measurement on a biological tissue under test and use a measured complex voltage signal to perform three-dimensional image reconstruction, and can simultaneously display ventilation and perfusion images in real time, thereby increasing an amount of acquired data, increasing the speed of data acquisition, increasing the sensitivity of a measurement signal to the conductivity of an in vivo tissue, and facilitating image analysis and comparison, disease detection and diagnosis.

Abstract: An approach for reducing unwanted magnetic coupling with conductive elements by keeping the localized magnetic field in a transformer's or inductors magnetic gap far away from any conductive elements is provided. The approach includes the use of spacers to keep the localized magnetic field in a transformer's or inductor's magnetic gap far away from any conductive elements to reduce unwanted magnetic coupling with those conductive elements. The spacers can be made from materials including ferrite, conductors and non-conducting elements.