Abstract: The present application provides a comfortable lightweight bullet-proof and stab-resistant suit and a preparation method thereof. A first aspect of the present application provides a comfortable lightweight bullet-proof and stab-resistant suit, including a sheath and a protection core sheet disposed in the sheath, and the protection core sheet includes a first protection layer, a second protection layer, a third protection layer and a buffer layer which are sequentially stacked together. The bullet-proof and stab-resistant suit provided in the present application has better response protection characteristics in the process of bullet penetration or knife tip stab, and the prepared aramid unidirectional cloth has low areal density, apparent flatness, no bubbles, and excellent softness, so that any bending within 180° can be realized.

Abstract: An intelligent lamp, a signal adaptive identification method for the intelligent lamp, and a computer-readable storage medium for implementing the method include: receiving a communication signal, and obtaining frame header data of the communication signal; and comparing the frame header data with preset reference frame header data, and if the frame header data matches the preset reference frame header data, obtaining communication data of a communication signal corresponding to the frame header data, and determining whether a time sequence of the communication data matches a communication data time sequence corresponding to the reference frame header data, and if yes, executing an instruction in the communication data of the communication signal corresponding to the frame header data.

Abstract: According to a transformer-architecture-based method and system for IoT for and smart control of urban integrated energy, urban integrated energy IoT information acquired by a terminal from different areas is output to a server after being standardized into a sequence signal, where energy demand prediction is performed through learning of a deep learning network configured on the server, a smart control network is configured and built by using the deep learning network, real-time prediction processing is performed on the urban integrated energy IoT information acquired in real time, and a result is uploaded to a workstation for reviewing. Based on the transformer architecture, the deep learning network is combined with a fast Fourier transform algorithm and inverse transform on a sequence, and an FFT-Attention mechanism is proposed. Compared with a conventional transformer architecture, frequency domain information of a sequence is given more emphasis.

Abstract: A gas diffuser plate in a cyclic deposition chamber is disclosed. The gas diffuser plate as fabricated comprises a substrate diffuser plate having a substrate emissivity and a coating formed on the substrate diffuser plate. The gas diffuser plate having the substrate diffuser plate coated with the coating has an emissivity higher than the substrate emissivity. The coating comprises a first layer formed on the substrate diffuser plate and comprising a first material configured to modulate the emissivity of the gas diffuser plate, and a second layer comprising a second corrosion-resistant material. The first material comprises titanium nitride oxide (TiNxOy). The emissivity of the gas diffuser plate is at least partially based on the ratio of nitrogen and oxygen in TiNxOy.

Abstract: A magnetic multi-pole propulsion array system is applied to at least one external cathode and includes a plurality of magnetic multi-pole thrusters connected adjacent to each other. Each magnetic multi-pole thruster includes a propellant provider, a discharge chamber, an anode and a plurality of magnetic components. The propellant provider outputs propellant. The discharge chamber is connected with the propellant provider to accommodate the propellant. The anode is disposed inside the discharge chamber to generate an electric field. The plurality of magnetic components is respectively disposed on several sides of the discharge chamber. One of the several sides of the discharge chamber of the magnetic multi-pole thruster is applied for one side of a discharge chamber of another magnetic multi-pole thruster.

Abstract: A wideband power amplifier (PA) linearization technique is proposed. A current interpolation technique is proposed to linearize power amplifiers over a wide bandwidth. The wideband power amplifier linearization technique employs a novel transconductance Gm linearizer using a current interpolation technique that achieves improvement in the third order intermodulation over wide bandwidth for a sub-micron CMOS differential power amplifier. By using a small amount of compensating bias into an opposite phase differential pair, linearization over wide bandwidth is achieved and can be optimized by adjusting the compensating bias.

Abstract: Provided are a current collector assembly, a battery cell, and a battery pack. The current collector assembly includes a plurality of layers of tabs, a protection plate, a connection plate, and at least one protrusion. The plurality of layers of tabs is stacked in a thickness direction of each of the tabs. The protection plate is arranged at a side of the plurality of layers of tabs in the thickness direction of each of the tabs. The connection plate is arranged at another side of the plurality of layers of tabs in the thickness direction of each of the tabs. The at least one protrusion is arrange between the connection plate and the protection plate. Each of the at least one protrusion penetrates the plurality of layer of tabs, and is connected to the plurality of layers of tab.

Abstract: The disclosure is an engine simulation test device capable of realizing an ultrahigh compression temperature and pressure, belonging to the field of a diesel engine high-temperature and high-pressure system, solving the problems that the existing engine simulation test cannot achieve ultra-high compression temperature and pressure, and the temperature and pressure are not adjustable. It includes a compressed air inlet mechanism, a nitrogen gas inlet mechanism, a pressure stabilizing mechanism, a cyclic heating mechanism, an air inlet mechanism and a fast compressor mechanism.

Abstract: A uracil compound containing a carboxylate fragment, a preparation method therefor, and a herbicidal composition and use thereof are provided. The preparation method includes a contact reaction between a carboxylic acid compound and different substituted alcohol, halogenated, or sulfonate compound in a presence of a solvent. The uracil compound containing a carboxylate fragment provided by the present invention has better herbicidal activity compared with the prior art.

Abstract: Provided are a fibroblast activation protein inhibitor (FAPI) dimer compound, an FAPI dimer-based positron emission tomography (PET) imaging agent for tumor diagnosis, and a preparation method and use thereof. An amphiphilic polyethylene glycol (PEG) chain and a dimerized structure of FAPI in the FAPI dimer compound with a structure shown in formula I can improve the in vivo kinetic properties of the compound and prolong a residence time of the compound in a tumor, thereby improving the uptake and imaging effects in the tumor. The accurate tumor diagnosis can be achieved by labeling the FAPI dimer compound with a diagnostic nuclide (68Ga), which has promising application prospects in PET imaging for diagnosis and in the preparation of a therapeutic nuclide (such as 177Lu or 90Y)-labeled drug for treating a FAP-?-expressing tumor.

Abstract: A mechanical apparatus levelling mechanism has a base (10), an adjusting screw rod (20), an adjusting plate (30) and a support plate (40). The adjusting screw rod penetrates into the adjusting plate in an axial direction and is connected to the base. The adjusting plate is located on the base; the support plate is mounted at a top end of the adjusting screw rod and is located above the adjusting plate; and the adjusting plate rotates to drive the adjusting screw rod to rotate, such that the support plate is adjusted vertically. This simplifies the operation procedure, improving the assembly accuracy and improving the working efficiency. The method is simple to operate. These adjusting mechanisms are convenient to move and simple to adjust, are time-saving and labour-saving, and have adjustment dimensions that can be quantified. Moreover, the installation is simple, and the adjusting mechanisms themselves can be reused.

Abstract: Provided are a connector, a battery cell, and a battery pack. The connector is configured to electrically connect a plurality of layers of tabs of an electrode plate. The connector includes a connection plate and a protrusion arranged at the connection plate. The protrusion protrudes from a side surface of the connection plate in a thickness direction of the connection plate, and is configured to penetrate the plurality of layers of tabs.

Abstract: The present disclosure discloses an electronic table card, a fixed seat of an electronic table card and an electronic table card assembly. The fixed seat includes a base seat and a fixing assembly. The base seat includes a bottom plate and two side plates. The two side plates cooperate with the bottom plate to form a triangular structure, and each of the side plates is provided with a mounting opening that has a shape corresponding to that of the protrusion of the electronic table card and allows the protrusion to probe into the triangular structure. The fixing assembly is configured to be clamped with the clamping slot of the protrusion extending into the triangular structure.

Abstract: A pixel circuit, a driving method therefor and a display apparatus are provided. The pixel circuit includes a driving sub-circuit, a write sub-circuit, a compensation sub-circuit, a reset sub-circuit, a first light-emitting control sub-circuit, a second light-emitting control sub-circuit, a leak-proof sub-circuit, a storage sub-circuit and a light-emitting element. The reset sub-circuit is configured to reset a fourth node under control of a signal of a light-emitting control signal terminal and reset a fifth node under control of a signal of a reset control signal terminal. The compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit to the fifth node under the control of a signal of a first scanning signal terminal. The leak-proof sub-circuit is configured to write a signal of the fifth node into a first node under control of a signal of a second scanning signal terminal.

Abstract: An apparatus includes a six-axis correction stage, an auto-collimation measurement device, a light splitter, a telecentric image measurement device, and a controller. The six-axis correction stage carries a device under test; the auto-collimation measurement device is arranged above the six-axis correction stage along a measurement optical axis; the light splitter is arranged on the measurement optical axis and is interposed between the six-axis correction stage and the auto-collimation measurement device. A method controls the six-axis correction stage to correct rotation errors in at least two degrees of freedom of the device under test according to a measurement result of the auto-collimation measurement device, and controls the six-axis correction stage to correct translation and yaw errors in at least three degrees of freedom of the device under test according to a measurement result of the telecentric image measurement device by means of the controller.

Abstract: A transmission power allocation method is provided. The transmission power allocation method is applied in user equipment (UE). The transmission power allocation method includes the following steps. The UE calculates the target power. The UE calculates the path loss of each antenna of the UE. The UE adjusts the transmission power of each antenna, except for a first antenna which corresponds to the maximum path loss, based on the maximum path loss.

Abstract: The present disclosure discloses a method for synthesizing quinolones intermediates by a continuous flow reaction. Specifically, according to the method, a microchannel reactor is used, which improves the selectivity and conversion rate of the reaction, and the conversion rate of compound ii is increased to more than 95% and the yield is increased to more than 85%; avoids the use of a solvent such as methanol, and methyl tert-butyl ether, etc., in the intermittent reaction process, which simplifies the post-processing method, shortens the overall operation time from about 24 hours to a few minutes, greatly improving the production efficiency, and realizing the continuity and automation of the whole process; and thus makes the product have high purity and high yield, which is suitable for industrial production.

Abstract: A method for capturing a sound source includes: capturing a space where a microphone array is located to generate an image by a camera, wherein the microphone array is configured to receive a sound generated by the sound source and generate a sound source coordinate of the sound source relative to the microphone array; searching for a sub-image belonging to the microphone array within the images by a computing device connected to the camera; calculating a microphone coordinate of the microphone array relative to the camera by the computing device according to the sub-image; calculating a required control parameter by the computing device at least according to the sound source coordinate and the microphone coordinate; adjusting a capturing direction by the camera to capture the sound source at least according to the required control parameter.

Abstract: Exfoliated nanoplatelets functionalized with a non-polar moiety, such as an ethylene or propylene derived polymer, are useful for forming composites, films, and polymer blends.

Abstract: An amphibious robot includes a housing including a first shell and a second shell and having a first configuration and a second configuration, a rack disposed in an inner cavity of the housing, a telescopic assembly disposed on the rack and connected between the first shell and the second shell, and a rotary wing assembly disposed on the rack and having a folded configuration and a flight configuration. The rotary wing assembly includes: a folding arm with one end rotatably connected to the rack, a rotary wing, and a tilting arm connected between the rotary wing and the folding arm, the tilting arm and the rotary wing are extended to an outside of the housing to be adapted to drive the robot to fly in the flight configuration, and the tilting arm is rotatable relative to the folding arm to adjust a rotation direction of the rotary wing.