Abstract: A plate fin heat exchanger assembly (S) for a cryogenic air separation unit, comprising: a heat exchanger having at least two cryogenic liquid inlets (B,C) at least two cryogenic liquid outlets (B,C), at least one nitrogen-rich stream inlet (D) at a first end of the heat exchanger and at least one nitrogen-rich stream outlet at a second end of the heat exchanger, the heat exchanger configured to receive a flow of at least one nitrogen-rich stream (WN,LPGAN) of the air separation unit at the at least one nitrogen-rich stream inlet and separate flows of at least two cryogenic liquids (LOX,LIN,LR) at the at least two cryogenic liquid inlets; wherein the inlet of the first of the cryogenic liquids is closer to the first end than the outlet of the second of the cryogenic liquids.

Abstract: A data storage device is provided. The data storage device includes a flash memory, a dynamic random access memory (DRAM), and a memory controller. The flash memory is configured to store a logical-to-physical mapping (L2P) table that is divided into a plurality of group-mapping (G2P) tables. The memory controller includes a first processing core and a second processing core. The first processing core receives a host access command from a host. When a specific G2P table corresponding to a specific logical address in the host access command is not stored in the DRAM, the first processing core determines whether the second processing core has loaded the specific G2P table from the flash memory to the DRAM according to the values in a first column in a first bit map and in a second column of a second bit map.

Abstract: A computing in memory (CIM) cell includes a memory cell circuit, a first semiconductor element, a second semiconductor element, and a third semiconductor element. A first terminal of the first semiconductor element is coupled to a first computing bit-line. A control terminal of the first semiconductor element is coupled to a computing word-line. A control terminal of the second semiconductor element is coupled to the memory cell circuit. A first terminal of the second semiconductor element is coupled to a second terminal of the first semiconductor element. A first terminal of the third semiconductor element is coupled to a second terminal of the second semiconductor element. A second terminal of the third semiconductor element is coupled to a second computing bit-line. A control terminal of the third semiconductor element receives a bias voltage.

Abstract: An antenna structure serving as an emitter in a radar device with optimized isolation of signal comprises antenna array as the radiating element. The antenna array includes array units. Each array unit includes radiating units connected by a feeder. Radiation area of each radiating unit gradually decreases from a center of array unit to ends of array unit. A specified distance is defined between centers of adjacent radiating units along an extending direction of the feeder. The feeder transmits a current signal to the array units, the radiating unit emits a radar scanning beam based on the current signal.

Abstract: An optical cable fixture includes a base and a cover. The base defines a receiving groove penetrating opposite sides of the base. The receiving groove includes a first receiving portion and a second receiving portion. The first receiving portion receives an optical cable. The second receiving portion receives first optical fibers extending from the optical cable. The cover covers the base and fixes the optical cable and the first optical fibers.

Abstract: In one example, a method includes method comprising: receiving audio data generated by a microphone of a current computing device; identifying, based on the audio data, one or more computing devices that each emitted a respective audio signal in response to speech reception being activated at the current computing device; and selecting either the current computing device or a particular computing device from the identified one or more computing devices to satisfy a spoken utterance determined based on the audio data.

Abstract: An optical cable fixture includes a base and a cover. The base defines a receiving groove penetrating opposite sides of the base. The receiving groove includes a first receiving portion and a second receiving portion. The first receiving portion receives an optical cable. The second receiving portion receives first optical fibers extending from the optical cable. The cover covers the base and fixes the optical cable and the first optical fibers.

Abstract: A wide-angle lens assembly includes a first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, and tenth lenses. The first and second lenses are meniscus lenses with negative refractive power. The third and seventh lenses are with negative refractive power. The sixth and tenth lenses are with positive refractive power. The fourth lens is a meniscus lens with positive refractive power. The fifth lens includes a convex surface facing an object side. The eighth lens includes a convex surface facing the object side. The ninth lens includes a concave surface facing the object side and a convex surface facing an image side. The first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, and tenth lenses are arranged in order from the object side to the image side along an optical axis.

Abstract: The present utility model provides an integrated inductive device, which includes: a first end magnetic core and a second end magnetic core arranged oppositely, each of the first end magnetic core and the second end magnetic core including three areas; three columnar magnetic cores located between the first end magnetic core and the second end magnetic core; and three inductive coils each wound on the periphery of a corresponding columnar magnetic core and located between two corresponding areas of the first end magnetic core and the second end magnetic core. The integrated inductive device of the present utility model is structurally compact, increases the space utilization rate, and reduces the cost.

Abstract: An oil bearing structure of a fan includes a shaft seat, a rotating shaft, and an oil bearing. The shaft seat includes a boss. A middle portion of the boss defines a slot. One end of the rotating shaft is inserted into the slot. Another end of the rotating shaft is a free end. The oil bearing is sleeved on an outer periphery of the rotating shaft. An axis of the rotating shaft and an axis of the oil bearing are perpendicular to the shaft seat. An effective length of the oil bearing and the rotating shaft is 50%-70% of a length of the fan.

Abstract: The utility model provides an inductive device, including a columnar magnetic core provided with grooves on side surfaces thereof; a frame assembly including embedding portions adapted to the grooves in shape, the embedding portions being embedded in the grooves; and an inductive coil wound onto the side surfaces of the columnar magnetic core. The inductive device of the utility model has the advantages of saved winding use amount and prolonged service life.

Abstract: An anti-collision control method and a rail vehicle control system are provided. The rail vehicle control system includes a control apparatus configured to implement the anti-collision control method to prevent a plurality of vehicles on a plurality of rails from colliding with each other. The anti-collision control method includes receiving a transfer requirement data to decide which one of the vehicles and which one of the rails are respectively an assigned vehicle and an assigned rail; planning a movement path and a movement space according to the transfer requirement data and a vehicle dimension data; determining whether any portion of the movement space is reserved; and in response to the movement space being reserved, the assigned vehicle is controlled to not move, or the movement space is reserved and the assigned vehicle is controlled to move according to the movement path along the assigned rail.

Abstract: A biodegradable sealant includes: a polyethylene glycol derivative; a photoinitiator; and a solvent, wherein the content of the polyethylene glycol derivative is about 10-75 wt % in the biodegradable sealant. The polyethylene glycol derivative is obtained by a substitution reaction, and in the substitution reaction, the polyethylene glycol is modified with methacrylic anhydride.

Abstract: A rotary power tool comprises a drive mechanism including an electric motor and a transmission, a housing enclosing at least a portion of the drive mechanism, a spindle rotatable in response to receiving torque from the drive mechanism, a first ratchet coupled for co-rotation with the spindle, a second ratchet rotationally fixed to the housing, a sleeve bushing on an interior of the housing, and a bearing arranged between the spindle and the sleeve bushing and rotatably supporting the spindle. The bearing has an outer race. The spindle is movable relative to the housing in response to contact with a workpiece, causing the first and second ratchets to engage and the spindle to reciprocate while rotating. The outer race of the bearing moves along the sleeve bushing during reciprocation of the spindle when the first ratchet and second ratchet are engaged.

Abstract: A computation operator in memory and an operation method thereof are provided. The computation operator in memory includes a word line calculator, a decision-maker and a sense amplifier. The word line calculator calculates a number of enabled word lines of a memory. The decision-maker generates a plurality of reference signals according to at least one of the number of enabled word lines and a used size of the memory, the reference signals are configured to set a distribution range. The sense amplifier receives a readout signal of the memory, and obtains a computation result by converting the readout signal according to the reference signals.

Abstract: The present disclosure is generally related to a data processing system to coordinate parallel processing of audio queries across multiple devices. A data processing system can receive an audio input signal detected the display device and parse the audio input signal to identify an entity. The data processing system can transmit a query command to the display device to cause a multimedia content application to perform a search for the entity. The data processing system can access at least one of an address database and a multimedia content provider to identify a reference address for the entity. The data processing system can provide the reference address for the entity to cause the display device to present a content selection interface. The content selection interface can include an element for the reference address, prior to completion of the search for the entity performed by the multimedia content application.

Abstract: Systems and methods for focusing a light pulse within a focus area using nonlinear photoacoustic wavefront shaping (PAWS) are disclosed herein. The method includes modulating a spatial phase pattern of a light pulse's waveform based on a Grueneisen-relaxation photoacoustic (GR-PA) feedback signal. In addition, systems and methods for performing Grueneisen-relaxation photoacoustic microscopy (GR-PAM) are disclosed herein that include analyzing photoacoustic signals resulting from illumination of a focus region by two closely spaced light pulses. A method of obtaining an absorption coefficient of a sample using Grueneisen-relaxation photoacoustic microscopy (GR-PAM) is also disclosed.

Abstract: The present disclosure relates to a phase change material (PCM) composition and a process for preparation thereof, wherein said composition comprising a phase change material, glass fibers and xanthan gum. In a preferred embodiment, the phase change material is water (or ice) and the glass fibers are glass wool. The disclosure also relates to a stackable and sealable package enclosing the PCM composition. In a particular embodiment, the PCM composition is used to prepare a cold box that may be used in cold chain transportation.

Abstract: The present disclosure is generally related to a data processing system to process data packets in a voice activated computer network environment. The data processing system can improve the efficiency of the network by generating non-video data responses to voice commands received from a client device if a display associated with a client device is in an OFF state. A digital assistant application executed on the client device can send to the data processing system client device configuration data, which includes the state of the display device, among status data of other components of the client device. The data processing system can receive a current volume of speakers associated with the client device, and set a volume level for the client device based on the current volume level and a minimum response volume level at the client device.

Abstract: An antenna structure suitable for 5G use includes first and second antenna units. Each second antenna unit is positioned between adjacent first antenna units. Each first antenna unit is positioned between adjacent second antenna units. Each first antenna unit and each second antenna unit are restricted to emit a radio beam in a single polarization. The first antenna unit emits radio waves in a first polarization, the second antenna unit emits waves in a second polarization. The first polarization direction and the second polarization direction are perpendicular to each other.