Abstract: An integrated centralized vacuum interconnection system device is provided, which belongs to the field of vacuum interconnection technology. The device includes an interconnection tower, the top of the interconnected tower is connected with an evaporation pattern direct writing device, the interconnected tower is connected with a combined modular measuring device on the adjacent side below the evaporation pattern direct writing device, the middle of the interconnected tower is connected with a fast extension module device and a fast separation damping device respectively, a side of the middle part of the interconnected tower and the lower part of the middle part of the interconnected tower are equipped with a combined modular evaporation device. The present invention provides an integrated centralized vacuum interconnection system device that integrates sample preparation, sample characterization, device fabrication, and comprehensive measurement components.

Abstract: A pre-disintegrated soft rock embankment structure based on spatial function zones and a design method thereof are provided. The embankment structure includes an embankment shear control zone, an embankment settlement control zone, and an embankment shear-settlement control zone. The embankment shear control zone is a zone in which a shear failure ratio is greater than a predetermined value. The embankment settlement control zone is a filled zone right below a top surface of an embankment. The embankment shear-settlement control zone is an intersection of the embankment shear control zone and the embankment settlement control zone. The provided structure and method improve the shear strength, stability, and durability, reduce footprint, shorten a settlement duration after construction, and solve engineering problems such as low slope ratio and large deformation of an embankment due to a long period of subsequent disintegration in the prior art.

Abstract: A method is disclosed to dynamically design acceleration units of neural networks. The method comprises steps of generating plural circuit description files through a neural network model; reading a model weight of the neural network model to determine a model data format of the neural network model; selecting one circuit description file from the plural circuit description files according to the model data format, so that the chip is reconfigured according to the selected circuit description file to form an acceleration unit adapted to the model data format. The acceleration unit is suitable for running a data segmentation algorithm, which may accelerate the inference process of the neural network model. Through this method the chip may be dynamically reconfigured into an efficient acceleration unit for the different model data format, thereby speeding up the inference process of the neural network model.

Abstract: A gas compressing system including a plurality of n compressors connected in parallel. Each compressor has a suction line connected to a common suction manifold and a discharge line connected to a common discharge manifold configured to deliver compressed gas to a downstream load. The system also includes a process controller configured to control an average speed of the compressors based upon a discharge pressure in the common discharge manifold or a discharge flow through the common discharge manifold. The system further includes an adaptive load sharing optimizing controller configured to determine the speed of each compressor in the plurality of n compressors. A method of controlling a gas compressing system is also provided.

Abstract: Disclosed is a temperature sensing and computing device and array based on TaOx electronic memristor, including a first metal layer, a function layer, and a second metal layer sequentially stacked from bottom to top; a work function of a metal material in the first metal layer is higher than a work function of a metal material in the second metal layer; the function layer is TaOx material; the first metal layer is grounded, and positive and negative voltages are applied to the second metal layer; in which an output current when the negative voltage is applied to the second metal layer is greater than an output current when the positive voltage of the same magnitude is applied to the second metal layer, and there is a self-rectifying effect; when the voltage of the same magnitude is applied to the second metal layer, the output current increases as a temperature increases.

Abstract: The metallic crystal structures inspired edge-to-edge tessellations and a tessellation based lattice structures are disclosed. In accordance with an exemplary embodiment of the invention, basic unit lattice cells are stacked and connected to constitute a three-dimensional tessellations, wherein each of the basic unit lattice cells comprises a multiple flat connecting portions formed on a surface of the basic unit lattice cell and intersecting with a multiple of axes intersecting in a center of the basic unit lattice cell, and the flat connecting portions of one of the basic unit lattice cell is connected to the flat connecting portions of the adjacent basic unit lattice cell to constitute a connection structure of edge-to-edge tessellation. The formed tessellations are periodically tessellated in a design domain to form different tessellated lattice structures. The Functionally Tessellated (FT) lattice structures composed of different tessellations by interlocking into each other are also disclosed.

Abstract: A method of automatically tuning a proportional-integral-derivative (PID) controller (102) controlling a DC-DC converter (100) includes substituting the PID controller (102) with a modified relay feedback test (MRFT) (104) controller having a threshold parameter (?) and a magnitude parameter (h), iteratively determining a current error signal (e[k]) by measuring an output voltage (Vo[k]) of the DC-DC converter (100) and comparing it to a desired reference output voltage (Vo-ref), input the error signal (e[k]) to the MRFT (104), determining an output value (u[k]) of the MRFT, update the duty cycle (D) based on the output value (u[k]), operating the DC-DC converter (100) using the updated duty cycle (D), exciting oscillations in the loop containing the MRFT (104) and the DC-DC converter (100), measuring a frequency (?0) and amplitude (?0) of the output voltage (Vo[k]), updating PID controller parameters based on the frequency (?0) and amplitude (?0), and substituting the MRFT (104) with the PID controller (102)

Abstract: A sesquiterpenoid derivative and use thereof in preparing a broad-spectrum antiviral drug provided. The sesquiterpenoid derivative can stimulate heterogeneous nuclear ribonucleoprotein A2/B1, activate the cell signal pathway of TANK-binding kinase 1-interferon regulatory factor 3, and increase the expression and secretion of endogenous type I interferon. As a result, it can inhibiting various viruses and can be used as a broad-spectrum antiviral drug for preventing or treating various viral infectious diseases and symptoms, including Covid-19, vesicular stomatitis virus VSV-G, AIDS virus, hepatitis C virus, Japanese encephalitis virus, influenza virus, poliovirus, Coxsackie virus, dengue virus, rotavirus, tobacco mosaic virus, measles virus, mumps virus, Ebola virus, Marburg virus, herpes virus and adenovirus.

Abstract: Methods herein disclosed include methods of producing a nanoporous membrane by coating a planar substrate (204) with a solution (solution tank 201) containing a reactive metal adatom. The coated planar substrate can then be perforated by initiating a redox reaction between the reactive metal adatom and the planar substrate that causes the reactive metal adatom to remove material, forming nanoscale pores in the planar substrate that result in a nanoporous planar material. This nanoporous planar material can be formed into a nanoporous membrane.

Abstract: A power conversion system includes: a main battery configured to be recharged with power and to supply the recharged power to a motor, thereby supplying rotation force to a wheel of a vehicle; an auxiliary battery configured to recharge the main battery or to assist a power supply function of the main battery; and a power converter connected to auxiliary battery, the power converter comprising a bypass circuit and a buck converter. The buck converter includes a buck switch, and is configured to convert a voltage of the auxiliary battery into a voltage for recharging the main battery in accordance with an ON/OFF switching operation of the buck switch.

Abstract: Water pumps for an urban water landscape, including a water pump main body, a water pump base, a grille net cover, and a filter component. The water pump main body may include a water pump shell. A water outlet interface may be disposed on a top of the water pump shell. The grille net cover may be located on a front side of the water pump shell. The grille net cover may be fixedly connected to the water pump shell through a filter component pallet on a bottom of the grille net cover and filter component cross bars on two sides of the grille net cover. Two filter assemblies may be inserted in series in the filter component slot. The water pump main body may be detachably disposed on the water pump base.

Abstract: Operating a selector device that controls access of a signal to a memory element may comprise applying a main operating voltage pulse and a refresh voltage pulse to the selector device. The refresh voltage pulse and main operating voltage pulse have opposite polarities. A magnitude of the main operating voltage pulse is greater than or equal to a threshold voltage for turning on the selector device, and a maximum magnitude of the refresh voltage pulse is less than the threshold voltage. The refresh voltage pulse reduces a difference between the threshold voltage and a turn-off voltage of the selector device, and may be applied immediately before or immediately after the main operating voltage pulse. An electronic circuit may include the selector device and a driving circuit for apply the pulses. A nonvolatile memory may include the driving circuit and a plurality of nonvolatile memory elements each including a selector device.

Abstract: The present disclosure provides a graded oxygen regulating, explosion preventing and recycling system and method for liquid nitrogen wash tail gas, and relates to the technical field of environmental protection and energy utilization.

Abstract: A fiber optic distributed acoustic sensing (DAS) system for detecting a red palm weevil (RPW) includes an optical fiber configured to be wrapped around a tree and a DAS box connected to the optical fiber. The DAS box includes a processing unit that is configured to receive a filtered Rayleigh signal reflected by the optical fiber, and run the filtered Rayleigh signal through a neural network system to determine a presence of the RPW in the tree.

Abstract: The present invention belongs to the field of energy and environmental protection and particularly relates to an organic solid waste treatment device based on chemical-looping hydrogen production and a method for using the same. The device comprises a pyrolysis reactor and a sleeve-type chemical-looping reactor, the sleeve-type chemical-looping reactor comprises an inner cavity, an outer cavity annularly wrapping the inner cavity, a syngas output device, a hydrogen output device, a pyrolysis gas inlet device, and a water vapor inlet device, and the pyrolysis reactor can generate pyrolysis gas, which then is conveyed to the sleeve-type chemical-looping reactor through the pyrolysis gas inlet device.

Abstract: Provided is a method for multi-information fusion of gas sensitivity and chromatography and on-site detection and analysis of flavor substances using an electronic nose instrument. The electronic nose instrument includes a gas sensor array module (I), a capillary gas chromatographic column module (II), an automatic headspace sampling module (III), a computer control and data analysis module (IV), an automatic lifter (V) for headspace sampling, a large-volume headspace vapor generation device (VI) and two auxiliary gas sources (VII-1, VII-2). In the gas sampling period of T0-300-600 s, the gas sensor array module and the gas chromatography module have different flow rates, volumes and staring sampling time points of gas sampling, but have synchronous selection and analysis time points of multiple sensitive information.

Abstract: Methods of labeling, amplifying, and sequencing mitochondrial DNA are provided. The labeling methods typically include using polymerase-based extension of one or more unique molecular identifier (UMI) primers along a target mitochondrial DNA template, each UMI primer including a universal primer sequence, a unique molecular identifier sequence, and a mitochondrial DNA binding sequence. Amplification of the labeled-target mitochondrial DNA can include, for example, polymerase chain reaction (e.g., high-fidelity long-range). Methods of determining the sequence of labeled-target mitochondrial DNA can include use of a long-read sequencing platform. The methods may further including one or more of grouping sequences having the same UMI into one of more groups, determining the sequence of each labeled-target mitochondrial DNA by determining the consensus sequence of each group, and identifying polymorphisms in one or more of the labeled-target mitochondrial DNA.

Abstract: The disclosure relates to the field of micro-nano structure-enhanced heat transfer surfaces and provides a 3D printing-assisted multi-scale metal three-dimensional surface structure preparation method and product. The method includes the following steps. A micron-level and highly-precise three-dimensional structure mask is prepared through a 3D printing technology, the hollow portion of mask is matched with the target structure model. Material conversion is performed on a metal matrix fixed with the mask, and a target metal is obtained. Herein, the metal matrix is machined first, and a surface of the target metal is matched with the structure model. In the preparation method provided in the disclosed embodiment, the precision of the metal structure is improved by improving the precision of the template.

Abstract: A glycosylation method involving a trivalent iodine reagent, wherein a glycosyl donor (I) is activated in the presence of a trivalent iodine reagent and a transition metal catalyst, and then reacts with a acceptor (II) under acid catalysis or directly to obtain a glycosylation product (III); in the glycosyl donor (I), Gly is a glycosyl group in which one or more hydroxyl groups on the sugar ring are protected by a protecting group; X is an oxygen, sulfur, or selenium atom; R is an alkyl group or an aryl group; the acceptor (II) is a nucleophile selected from sugars, alcohols, phenols, flavonoids, carboxylic acids, phosphates, pyrimidines, purines, amides, sulfonamides, guanidines, arylamines, indoles, enol silyl ethers, thiols, or thiophenol containing one or more free hydroxyl groups.

Abstract: An image display method, an image display apparatus, a device and a storage medium.