Abstract: The disclosure provides a method and device for correction of the multi-channel capacitive sensor. The method includes: under calibrating mode, inputting the calibration signal from the calibration capacitance network module to the multi-channel capacitive sensor, and measuring the output complex voltage at each calibration frequency point; selecting any channel as a reference channel, combining each-channel three-admittance parameters with the output complex voltages at each calibration frequency point, calculating each-channel amplitude-phase correction coefficient relative to the reference channel; under operating mode, inputting a carrier signal to the multi-channel capacitive sensor through the multiple DoF sensitive probe, and measuring the output complex voltages under actual operation; and multiplying the output complex voltages by the correction coefficients, thereby obtaining the multiple sensing channel output signals.

Abstract: A method and a system for optimized scheduling of an integrated energy system are provide. The method includes: respectively obtaining marginal distribution functions of electricity price, hydrogen price, wind power, photovoltaic power, and load within a preset time period according to historical data to predict relevant parameters; adjusting a predicted value of the load based on a dynamic change in an unit electricity use consumption resource within the preset time period, and obtaining a load value after performing a demand response based on the electricity price to reduce a peak-valley difference of the load; considering decision-maker preferences, establishing an optimization scheduling model that simultaneously considers economic and environmental factors; converting the multi-objective model into a single-objective model and using the CPLEX solver to solve the model.

Abstract: The disclosure provides a convolution operation accelerator and a convolution operation method and belongs to the field of microelectronic devices. Input data of each word line may be subjected to a multiply-accumulate operation together with two upper and lower layers of convolution kernel units, so that natural sliding of the convolution kernel units in a y direction in two-dimensional input is achieved. The oblique bit lines and multiple copies of a convolution kernel in each layer of a non-volatile memory array may enable a multiplication operation between one piece of input data and convolution kernel data at different positions in the same convolution kernel. In this way, the natural sliding of the convolution kernel units in an x direction in the two-dimensional input is achieved.

Abstract: A high-temperature wide-bandgap power module and a preparation method thereof is provided in the present application. In the high-temperature wide-bandgap power module, SiC power chips are arranged in the cavity, and bonding wires are used to establish electrical connections. An ultrathin composite conformal coating consists of inorganic film and Parylene-HT film is arranged on the surface of the circuit to provide long-term reliable insulation while only imposing minor thermo-mechanical stresses on bonding joint at high-temperatures, which prolongs the module's life time. In addition, the hermetic sealing adopted in the present application blocks the external water, oxygen and chemical pollution, thereby alleviating the thermal degradation of the conformal coating and safeguards the internal circuit. Overall, the hermetic sealing and conformal coating ensure the long-term 250 degrees high-temperature working capability of the wide-bandgap power module.

Abstract: The present invention relates to an activity recognition system balanced between versatility and individuation, comprising a communication framework jointly formed by a data collecting terminal, a computing device, and a cloud computing platform, the activity recognition system uses the communication framework to conduct personnel activity recognition and model updating, and the edge computing device further comprises a model training module and an activity recognition module, and the model training module retrieves a local activity recognition model by continuously verifying user IDs, and uses the first data to train a versatile network structure and an individualized network structure of the local activity recognition model in a way that individuation features of the user and versatility features of the model are fused with each other, so that the personnel activity recognition process conducted by the activity recognition module.

Abstract: A sequence time window amplitude-phase-frequency characteristics analysis method and system for underwater vehicle power frequency electromagnetic field disturbance are provided. The method includes: establishing a power grid dipole group model, emulating and calculating to obtain background field intensity data of a test location, and constructing an emulated background field database; acquiring measured background field data, comparing the emulated data with the measured data, and providing a relative error; calculating a background field intensity and underwater vehicle target disturbance under the action of the above dipole group, and establishing a measured target signal database; and performing actual measurement according to an underwater vehicle motion and detection topology, performing a Fourier transform and Fourier sliding window decomposition after acquiring original data, and acquiring an amplitude spectrum and a spectrogram of an underwater vehicle target disturbance signal.

Abstract: The present invention provides a coal feeding control method and system for a small pulverized coal silo, the method includes: acquiring a boiler load increase signal, and determining the target function F(t) for boiler load control obtaining the current coal mill output signal B(t), where B(t) is the fuel quantity signal at the outlet of the coal mill that changes over time from the start time; comparing B(t) with F(t): if B(t) cannot meet the fuel quantity requirements of F(t), activate the small pulverized coal silo connected to the boiler; otherwise, the small pulverized coal silo remains inactive; determining the coal feeding signal f(t) for the small pulverized coal silo, and further determining the coal feeding control signal f(t) for the small pulverized coal silo; controlling the small pulverized coal silo to feed coal to the boiler, quickly changing the combustion rate in the furnace, and increasing the boiler load.

Abstract: The present disclosure provides a detection and analysis method for rapid delineation of aging stages of styrene-butadiene-styrene (SBS) modified asphalt, including the following steps: performing a Fourier transform infrared spectroscopy (FTIR) test on unaged SBS-modified asphalt samples to obtain a copolymer index of IB0/S0 and neat asphalt functional group indexes, including the SI0, IB, aI0, ARI0, and CI0; performing the FTIR test on the aged SBS-modified asphalt samples to obtain an actual index of IB/S, SI, IB, aI, ARI, and CI; and delineating three aging stages of SBS-modified asphalt, including a polymer swelling stage, a polymer degradation stage and a component imbalance stage according to changes of functional group indexes. According to the present disclosure, the actual aging stages of the SBS-modified asphalt can be determined rapidly and accurately, providing a reasonable basis for the decision on pavement maintenance timing and mode.

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: The invention discloses a method for obtaining the complex refractive index distribution profile of a film. S101, the interference image of the reference area and the sample under test is collected; S102, the normalized light intensity map and the optical path difference of the sample under test relative to the reference area is determined through the recovery algorithm based on the obtained interference image; S103, the measurement model is established based on the reflective film transmission matrix model; S104, the relationship between the measured reflection coefficient and optical path difference of the area under test of the sample under test relative to the reference area and the measurement model is determined; S105, the complex refractive index distribution profile of the film under test is calculated based on the measured reflection coefficient and optical path difference of the area under test of the film relative to the reference area and the relationship.

Abstract: The invention discloses a three-dimensional 1S1C memory based on a ring capacitor and a preparation method. The memory includes: a horizontal peripheral electrode layer including a first dielectric layer and a first metal electrode layer alternately stacked and grown on a substrate and provided with trenches penetrating in a vertical direction and holes penetrating in the vertical direction, a vertical functional layer, and a capacitive dielectric layer. An annular groove is disposed outside each hole. The annular groove surrounds the holes and vertically cuts off the peripheral electrode layer. The annular groove is evenly filled with a capacitive dielectric layer. A top of the second metal electrode layer is extended to a surface of a topmost first dielectric layer to form a bit line electrode and is connected to a bit line. A region where the second metal electrode layer faces the first metal electrode layer forms a memory cell.

Abstract: A method and a system of designing a memristor-based naive Bayes classifier and a classifier belonging to the field of information technology are provided. The method includes: constructing a naive Bayes classifier including a memristor array of M rows by 2N columns, where M is the number of classification types, and N is the number of pixels in a picture; calculating the number hj,2i-1 of the pixel value of 0 and the number hj,2i of the pixel value of 1 in an ith pixel in the jth training sample, where j=1, 2, . . . , and M; and applying hj,2i-1 pulses to a memristor Rj,2i-1 in a jth row and a 2i-1th column to modulate the conductance of the memristor Rj,2i-1 and applying hj,2i pulses to a memristor Rj,2i in the jth row and a 2ith column to modulate the conductance of the memristor Rj,2i.

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: A flow electrode capacitive deionization system and a method for recovering phosphorus in phosphogypsum leachate and synchronous performing brine desalination belong to the technical field of wastewater treatment and recycling. The flow electrode capacitive deionization system includes a phosphorus recovery electrodeionization module and a desalination electrodeionization module. A first flow electrode solution reservoir, a phosphorus recovery electrodeionization module cathode flow electrode chamber, and a desalination electrodeionization module anode flow electrode chamber are interconnected in a circulation. A second flow electrode solution reservoir, a phosphorus recovery electrodeionization module anode flow electrode chamber, and a desalination electrodeionization module cathode flow electrode chamber are interconnected in a circulation. Two independent flow electrode solution circulation loops are formed.

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 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: 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: 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: The invention relates to a mutant of a small molecule chaperone protein MOG1-encoding gene and a use thereof, belonging to the technical field of biomedicine. The invention uses a mutant of a small molecule chaperone protein MOG1-encoding gene and a mutant of a small molecule chaperone protein MOG to prepare a use for treatment of diseases such as Brugda syndrome, arrhythmia, dilated cardiomyopathy, or heart failure. The mutant of the invention is more effective than a wild-type MOG1 in enhancing myocardial sodium current.

Abstract: A superlattice phase-change thin film with a low density change, a phase-change memory and a preparation method. The superlattice phase-change thin film includes first phase-change layers (7) and second phase-change layers (8) that are alternately stacked to form a periodic structure; during crystallization, the first phase-change layer (7) has a conventional positive density change, and the second phase-change layer (8) has an abnormal negative density change, therefore, the abnormal density reduction and volume increase of the second phase-change layer (8) during crystallization can be used to offset the volume reduction of the first phase-change layer (7) during crystallization.