Abstract: Disclosed is a rotating cored-type biological treatment device for wastewater with low carbon content and use thereof. The device includes a composite frame (1), several biological packing columns (2), a rotating tray (3), a rotating shaft, and a base (4), wherein the biological packing columns (2) are detachably mounted inside the composite frame (1); the rotating shaft is vertically arranged on the base (4) and can rotate; the rotating tray (3) is fixedly sheathed on the rotating shaft, and the composite frame (1) is disposed on the rotating tray (3); and the rotating tray rotates with the rotating shaft, which driving the composite frame (1) and the biological packing columns (2) therein to rotate. The rotating cored-type biological treatment device has the advantages of high efficiency and being renewable and environment-friendly, etc.

Abstract: A method for preparing needle coke for ultra-high power (UHP) electrodes from heavy oil is provided. In this method, heavy oil is used as a raw material. The size exclusion chromatography (SEC) is conducted with polystyrene (PS) as a packing material to separate out specific components with a relative molecular weight of 400 to 1,000. The ion-exchange chromatography (IEC) is conducted to remove acidic and alkaline components to obtain a neutral raw material. The neutral raw material is subjected to two-stage consecutive carbonization to obtain green coke, and the green coke is subjected to high-temperature calcination to obtain the needle coke for UHP electrodes. The needle coke has a true density of more than 2.13 g/cm3 and a coefficient of thermal expansion (CTE) of ?1.15×10?6/° C. at 25° C. to 600° C.

Abstract: The present disclosure includes an affective interaction apparatus, comprising an affective interaction computing module including a user intention computing processor to receive emotion-related data and an emotion state of a user; and identify a user intention based on the emotion-related data and the emotion state, the user intention including an affective intention and/or an interaction intention, the affective intention corresponding to the emotion state and including an affective need of the emotion state, the interaction intention including one or more transaction intentions.

Abstract: Preparation methods of a high modulus carbon fiber (HMCF) and a precursor (mesophase pitch (MP)) thereof are provided. The preparation method of MP includes: separating components with a molecular weight distribution (MWD) of 400 to 1,000 from a heavy oil raw material through size-exclusion chromatography (SEC); subjecting the components to ion-exchange chromatography (IEC) to obtain modified feedstock oil, where, the components are passed through macroporous cation-exchange and anion-exchange resins in sequence to remove acidic and alkaline components; and subjecting the modified feedstock oil to thermal polycondensation and carbonization to obtain high-quality MP with prominent spinnability. With high mesophase content, low softening point, low viscosity, and prominent meltability and spinnability, the obtained MP is a high-quality raw material for preparing HMCFs. The obtained MP can be subjected to melt spinning, pre-oxidation, carbonization, and graphitization to obtain an MP-based HMCF.

Abstract: An image processing method includes detecting human skeleton key points of a character in an image, and for the to-be-processed image, generating a cropping region based on the human skeleton key points and a preset rule, and using the to-be-processed image selected by using the cropping region as an output object. The human skeleton key points and the preset rule are set based on photographing experience.

Abstract: The present disclosure includes an affective interaction apparatus, comprising an affective interaction computing module including a user intention computing processor to receive emotion-related data and an emotion state of a user; and identify a user intention based on the emotion-related data and the emotion state, the user intention including an affective intention and/or an interaction intention, the affective intention corresponding to the emotion state and including an affective need of the emotion state, the interaction intention including one or more transaction intentions.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: A video action detection method based on a convolutional neural network (CNN) is disclosed in the field of computer vision recognition technologies. A temporal-spatial pyramid pooling layer is added to a network structure, which eliminates limitations on input by a network, speeds up training and detection, and improves performance of video action classification and time location. The disclosed convolutional neural network includes a convolutional layer, a common pooling layer, a temporal-spatial pyramid pooling layer and a full connection layer. The outputs of the convolutional neural network include a category classification output layer and a time localization calculation result output layer. The disclosed method does not require down-sampling to obtain video clips of different durations, but instead utilizes direct input of the whole video at once, improving efficiency.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC to AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: A control system for controlling the supply of power from an energy storage system to a DC bus of a vehicle propulsion system is disclosed herein. The control system includes a controller programmed to monitor real-time operating parameters of a plurality of energy storage units of the energy storage system, access degradation models for the plurality of energy storage units, and optimize usage of the plurality of energy storage units during real-time operation of the vehicle propulsion system based on the degradation models.

Abstract: An apparatus includes a multi-channel DC bus assembly comprising a first channel and a second channel, a first electromechanical device coupled to a positive DC link of the first channel, and a second electromechanical device coupled to a positive DC link of the second channel. A first DC-to-AC voltage inverter is coupled to the positive DC link of the first channel and a second DC-to-AC voltage inverter is coupled to the positive DC link of the second channel. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link of the second channel and a first energy storage system electrically coupled to the first electromechanical device.

Abstract: A vehicle propulsion system includes a first bi-directional DC-DC converter coupled to a first DC bus, an energy storage system comprising at least one energy storage unit coupled to the first bi-directional DC-DC converter, a first DC-to-AC inverter coupled to the first DC bus, and a first electromechanical device coupled to the first DC-to-AC inverter. A controller is programmed to determine a real-time operating speed of the first electromechanical device, compare the real-time operating speed of the first electromechanical device to a scheduled speed of the first electromechanical device, and selectively control the first bi-directional DC-DC converter to shift a voltage of the first DC bus based on the comparison.

Abstract: A vehicle propulsion system includes a first bi-directional DC-DC converter coupled to a first DC bus, an energy storage system comprising at least one energy storage unit coupled to the first bi-directional DC-DC converter, a first DC-to-AC inverter coupled to the first DC bus, and a first electromechanical device coupled to the first DC-to-AC inverter. A controller is programmed to determine a real-time operating speed of the first electromechanical device, compare the real-time operating speed of the first electromechanical device to a scheduled speed of the first electromechanical device, and selectively control the first bi-directional DC-DC converter to shift a voltage of the first DC bus based on the comparison.

Abstract: A control system for controlling the supply of power from an energy storage system to a DC bus of a vehicle propulsion system is disclosed herein. The control system includes a controller programmed to monitor real-time operating parameters of a plurality of energy storage units of the energy storage system, access degradation models for the plurality of energy storage units, and optimize usage of the plurality of energy storage units during real-time operation of the vehicle propulsion system based on the degradation models.

Abstract: A disk drive preamplifier (preamp) includes a write driver that has two pairs of programmable bypass current sources not connected to the write current source to compensate for the inherent magnetic asymmetry of the write head. One pair of the programmable bypass current sources provides a fixed bypass current in one direction. The other pair provides a fixed bypass current in the opposite direction. Prior to writing, only one of the pairs of bypass current sources is selected and programmed with the correct value of bypass current. When the write driver generates the positive and negative write current pulses during writing the selected bypass current sources provide a fixed offset to the amplitude of the write current pulses.