Abstract: A heat pump system, a heat management method and a vehicle are provided. The heat pump system includes an integrated heat exchanger integrated with a superconducting liquid flow passage and a refrigerant flow passage. The refrigerant flow passage is provided inside an on-board refrigerant circulation loop and is used for cooling and/or heating to adjust the temperature within a passenger compartment of a vehicle. The superconducting liquid flow passage is in communication with a motor heat dissipating conduit, for absorbing the heat generated by an on board motor and transferring the heat to the integrated heat exchanger by means of phase change heat transfer. The heat pump system can increase the energy utilization rate for the vehicle and reduce the allowable ambient temperature of the heat pump system.

Abstract: A substrate integrated with passive devices and a manufacturing method thereof are provided.

Abstract: A building photovoltaic data interpolation method based on WGAN and whale optimization algorithm is provided, which includes: obtaining historical building roof photovoltaic output data, perform preprocessing on the historical building roof photovoltaic output data, and uses CNN to build a GAN; describing missing value position of preprocessed data by using a binary mask matrix, and setting Wasserstein distance to define a loss function of a GAN generator and a discriminator; taking the loss function as a fitness function, optimizing an input to the GAN generator through a whale optimization algorithm and obtaining optimized candidate samples; fusing the optimized candidate samples and a photovoltaic data processed by the binary mask matrix to obtain completed reconstructed samples, so as to improve the complementary accuracy, optimize the random noise, remove the unfavorable influencing components, and provide services for building rooftop PV data interpolation more accurately.

Abstract: The invention discloses a battery pack shell and a battery pack. When a bottom heat exchange plate and a frame are fixed by a first fastener, and a bottom guard plate and the frame are fixed by a second fastener, different fasteners may be configured for fixing the bottom heat exchange plate and the frame, and for fixing the bottom guard and the frame, respectively. Moreover, when a first sealing strip for sealing the connection between the frame and the bottom heat exchange plate is configured, the sealing of the connection between the frame and the bottom heat exchange plate may be implemented through the first sealing strip.

Abstract: The present disclosure relates to data protection methods and vehicles. In an example method, a target vehicle may receive a first configuration file, and determine a first configuration policy based on the first configuration file. The first configuration policy may be used to configure a protection manner of user data associated with a first application. The target vehicle may perform a first operation according to the first configuration policy.

Abstract: The invention discloses a battery case and a battery device. A groove is disposed on a side surface of a boundary beam facing a bottom plate. The groove is disposed around an accommodating space formed by the boundary beam and the bottom plate. A sealing strip is disposed in the groove along an extending direction of the groove, and the sealing strip is in contact with the bottom of the groove and the bottom plate, respectively. The sealing of the connection between the boundary beam and the bottom plate may be implemented by the sealing strip.

Abstract: The present disclosure provides a method and a device for preparing a modified poly (m-phenylene isophthalamide) (PMIA) fiber by continuous polymerization-dry-wet spinning. The method includes the following steps: (1) preparing a mixed solution of m-phenylenediamine (MPD) and a copolymerized diamine monomer in N,N-dimethylacetamide (DMAC) serving as a solvent using a cosolvent; (2) mixing isophthaloyl chloride (IPC) with the mixed solution of the MPD and the copolymerized diamine monomer in the DMAC, and conducting pre-polycondensation and polycondensation in sequence to obtain a modified PMIA resin solution; and (3) subjecting the modified PMIA resin solution to additive addition, filtration, defoaming, and dry-wet spinning to obtain the modified PMIA fiber.

Abstract: Embodiments of the present disclosure provide a video synthesis method and apparatus, an electronic device and a storage medium. In the method, a web front end receives an operation of a user on a to-be-processed video, and records operation information as a draft; and sends the draft to a server, where the draft is used to perform processing on the to-be-processed video and perform video synthesis after the processing, which realizes the purpose of video synthesis through a web end.

Abstract: The present disclosures discloses a precooler-based transcritical CO2 heat pump system and a control method of a waterway two-way valve thereof, in which a transcritical CO2 heat pump system is assisted by a precooler system. A circulating waterway is divided into two parts in the system through a three-way diversion valve and a three-way confluence valve and is connected to a waterway bypass valve through a waterway two-way regulating valve. An ambient temperature sensor, an evaporation fin temperature sensor and an evaporation pressure sensor are provided, and a programmable logic controller is used as a core for acquisition, operation and control.

Abstract: A follow focus controller and a follow focus system are provided. The follow focus controller includes: a body; a first follow focus adjusting assembly and a second follow focus adjusting assembly, arranged on the body; and a control assembly, arranged on the body and configured to generate a first follow focus control signal according to a rotation of the first follow focus adjusting assembly or to generate a second follow focus control signal according to a rotation of the second follow focus adjusting assembly. The first follow focus control signal and the second follow focus control signal are configured to control different follow focus motors.

Abstract: The invention provides a reaction system for preparing butyraldehyde by propylene carbonylation, comprising: a reactor; a side wall of the reactor is sequentially provided with a catalyst inlet, a propylene inlet and a synthesis gas inlet from top to bottom; the bottom of the reactor is provided with a solvent inlet; two micro-interface generators are arranged inside of the reactor from top to bottom, and the micro-interface generator located at a top end is connected to the propylene inlet to break the propylene gas into micron-scale micro-bubbles; the micro-interface generator located at a bottom is connected to the synthesis gas inlet for breaking the synthesis gas into micron-scale micro-bubbles; the outlets of the two micro-interface generators are opposite, and the outlets are connected with a gas distributor for evenly distributing raw materials.

Abstract: Disclosed is a hair care composition comprising a (i) an anionic surfactant; (ii) an amphoteric or zwitterionic surfactant; (iii) piroctone olamine; iv) a polyaspartate or its derivative presented by the structure of formula (1), where the sum of m+n is from 2 to 10000, R1, R2 are independently selected from the group consisting of H, OH, (O)mG, m is 0 or 1, G is independently selected from the group consisting of H and a substituted or unsubstituted C1-C12 organic group, ammonium salt, wherein non-limiting examples of the metal salts include Na, K, Ca, Mg, Al salts; and v) a cosmetically acceptable carrier; wherein the weight ratio of said polyaspartate or its derivative to said piroctone olamine in the composition is at least 2:3. It has been shown to improve the stability of the piroctone olamine.

Abstract: An electrocardio-signal collection system and method, and preparation method of an electrocardio-signal collection system is provided. The system includes: a collection unit configured to collect an analog electrocardio-signal of a human body, where the collection unit includes a flexible device and 10 conductive electrodes (2), and the conductive electrodes (2) are printed on the flexible device; a control unit connected to the conductive electrodes (2) and configured to process and output the analog electrocardio-signal; and a display unit connected to the control unit and configured to receive an output signal from the control unit and display the output signal. The collection unit in the conductive electrodes (2) printed on the flexible device is used as a collection carrier for an electrocardio-signal, and all the conductive electrodes (2) are put in place at once, thereby improving the convenience of electrocardio-signal collection.

Abstract: Intelligent distribution of packet flows may be provided. Compute resource data may be received. Next, packets may be classified into flows that may be persistently mapped to compute resources for a lifetime of the flows. Based on the compute resource data, the flows may then be allocated to the compute resources.

Abstract: Disclosed is a hair care composition comprising a (i) a benzophenone or benzophenone derivative which is one or more components selected from benzophenone, benzophenone-1, benzophenone-2, benzophenone-3, benzophenone-6, benzophenone-7, benzophenone-8, benzophenone-10 and benzophenone-12 thereof; (ii) a piroctone olamine; (iii) a silicone compound; a cosmetically acceptable carrier; wherein amount of said benzophenone or benzophenone derivatives is 0.2 to 10% by weight of the total composition. It has been shown to improve the deposition and stability of the piroctone olamine.

Abstract: An optimization method for an implementation of mel-frequency cepstral coefficients is provided. The optimization method includes the following steps: performing a framing step, including using a 400×16 static random access memory to temporarily store a plurality of sampling points of a sound signal with overlap, and decomposing the sound signal into a plurality of frames. Each of the plurality of frames is 400 of the sampling points, there is an overlapping region between adjacent two of the plurality of frames, and the overlapping region includes 240 of the sampling points. The optimization method further includes performing a windowing step, which includes multiplying each of the plurality of frames by a window function in a bit-level design, and the optimization method includes performing a fast Fourier transform (FFT) step, which includes applying a 512 point FFT on a frame signal to obtain a corresponding frequency spectrum.

Abstract: The application discloses a dimming control circuit, a dimming control method, and a LED driver circuit. The dimming control circuit comprises a logic signal generation circuit and a feedback signal generation circuit. wherein the logic signal generation circuit is configured to compare the sampling signals with a first threshold signal and a second threshold signal respectively to obtain a first group of logic signals and a second group of logic signals. Wherein the feedback signal generation circuit is coupled to the logic signal generation circuit, which is configured to generate feedback signals to reduce energy output when each of the sampling signals is greater than the first threshold signal, and configured to generate feedback signals to increase the energy output when any one of the sampling signals is smaller than the second threshold signal.

Abstract: Techniques and mechanisms for IPsec processing of IPsec packets for routing platforms where IPsec is just one or more features in the middle of data path features on the packet processing path and hence, the typical, simple inline IPsec scheme does not work well for such platforms. The techniques include using a hardware look-up table for packet classification and inbound security association (SA) lookup in one pass with IP 5-tuple plus SPI as a lookup key at hardware table. The techniques provide an entry match action format and mechanism for deriving inbound SA dram addresses that may be used by a hardware (HW)/firmware (FW) crypto/IPsec engine to process inbound packet traffic. A software SA look-up table is also provided to overcome hardware look-up table resource limitations and support more IPsec session scaling than the physical hardware look-up table can handle. Additional techniques are described.

Abstract: A method in a navigational controller includes: controlling a ceiling-facing camera of a mobile automation apparatus to capture a stream of images of a facility ceiling; activating a primary localization mode including: (i) detecting primary features in the captured image stream; and (ii) updating, based on the primary features, an estimated pose of the mobile automation apparatus and a confidence level corresponding to the estimated pose; determining whether the confidence level exceeds a confidence threshold; when the confidence level does not exceed the threshold, switching to a secondary localization mode including: (i) detecting secondary features in the captured image stream; (ii) updating the estimated pose and the confidence level based on the secondary features; and (iii) searching the image stream for the primary features; and responsive to detecting the primary features in the image stream, re-activating the primary localization mode.

Abstract: The present disclosure provides a glove for detecting multiple physiological parameters and a system for detecting a risk of a hypertension disease. The glove includes: a main control module, an electrocardiogram (ECG) signal acquisition component and a comprehensive signal acquisition component. The ECG signal acquisition component includes multiple electrodes and an ECG acquisition module, and is configured to acquire an ECG signal. The comprehensive signal acquisition component is arranged at a position of any fingertip on an inner surface of the glove body, and is configured to obtain a pulse wave signal, and obtain blood oxygen saturation. The main control module is configured to send the obtained ECG signal, blood oxygen saturation and pulse wave signal to external equipment to determine a probability of a risk of the hypertension of the user.