Abstract: A display device includes an outer frame, an inner frame, and a glass. The inner frame is movably coupled to the outer frame, and the inner frame and the outer frame cooperatively define a glass receiving slot. One end of the glass is received in the glass receiving slot and clamped between the inner frame and the outer frame.

Abstract: A device for measuring strength and strain softening parameters of a saturated clay sample based on full-flow penetration belongs to the technical field of geotechnical, geological and environmental research. The device mainly comprises two parts: an overlying pressure loading system and a full-flow penetration system. The present invention mainly aims at the problem of incomplete backflow of the soil in the measurement of soil strength and strain softening parameters with a full-flow penetrometer for saturated clay, and applies the working principle of a traditional consolidometer to vertically pressurize a soil sample to ensure the backflow of the soil, thereby improving the applicability of the full-flow penetrometer in the measurement aspect of the soil strength and the strain softening parameters and having important practical value for test research and marine engineering design.

Abstract: Computer-implemented techniques for managing transactions of machine learning algorithm updates are described. In one embodiment, a computer-implemented is provided that comprises receiving, by a system operatively coupled to a processor, a request for an update to a machine learning model associated with a software program, wherein the request is received in accordance with a defined blockchain protocol, and wherein the request comprises model development data used in association with optimization of an instance of the machine learning model. The method further comprises, employing, by the system, a blockchain network to facilitate managing fulfillment of the request.

Abstract: An optical power and gain detection apparatus including multiple optical power detection circuits, an FPGA device, and a temperature detection circuit. Various optical power detection circuits include a respective independent photoelectric converter, a trans-impedance amplifier, an analog signal conditioning circuit, a filter and an analog-digital conversion chip. By improving an analog circuit, digital detection and control in an optical amplifier, the property of the FPGA device may be used to realize the detection of optical signal and gain in a burst mode, avoid increasing complicated analogue circuits, and avoid the influence caused by element inconsistency in an analogue control solution. Whether the optical signal is in a stable mode or in a burst mode, the algorithm can detect the optical power accurately and stably, with a wide application range. By strictly controlling the synchronism of ADC sampling and the delay of calculation, the amplifier gain may be calculated more accurately.

Abstract: A system and method for cardiac activation imaging includes non-invasively or minimally invasively acquiring data about an electrical activation of a heart of a subject using at least one sensor. An activation image of the heart of the subject is reconstructed using a weighted sparse constrained reconstruction.

Abstract: A base device which can raise or lower a display panel suspended therein includes a fixing frame, a hanger for fixing the panel, two sliding rods, a connecting seat, a driving device, and a screw rod. The fixing frame includes two fixing rods spaced apart from each other and a base connected between the two fixing rods. The two sliding rods are connected to the hanger and slidably fixed to the two fixing rods. The connecting seat is fixed between the two sliding rods. The screw rod is fixed on the base. The driving device is fixed on the connecting seat and slidably connected to the screw rod. When the driving device is moved, manually or by motor, up and down along the screw rod the hanger carrying the panel is lifted up or lowered.

Abstract: A cooling fan module for a heat exchanger or the like, has a motor, a fan driven by the motor and a speed controller connected between the motor and a power supply. The speed controller is configured to operate the motor in a high speed mode and a low speed mode. The speed controller includes a high speed branch and a low speed branch connected in parallel. The low speed branch includes a pulse width modulation circuit configured to reduce an average voltage by a fixed duty ratio to achieve a low speed operation of the motor. By eliminating the conventional voltage dropping resistor, the speed controller reduces the power consumption, thus increasing the efficiency of the module, in the low speed mode of operation.

Abstract: A full-digital control rod position measurement device and a method thereof. The full-digital rod position measurement device transforms the core process of rod position measurement that is normally processed by an analog circuit or analog-to-digital mixed circuit into a digital processing. The full-digital rod position measurement device comprises an excitation power supply, an integrated interface board, and a universal signal processor. The universal signal processor processes output signals of detectors according to a preset numerical processing algorithm and outputs Gray code rod position signals. The full-digital rod position measurement device and method disclosed by the present disclosure may effectively reduce the complexity of the primary excitation circuit and the secondary measurement signal processing circuit of the detectors, and improve the operation reliability and measurement accuracy of the rod position processing equipment.

Abstract: The invention relates to the technical field of bioengineering, and discloses a method for synthesizing L-aspartic acid with maleic acid by whole-cell biocatalysis. In the invention, a recombinant strain co-expressing maleate cis-trans isomerase and L-aspartate lyase is constructed, and engineered and optimized to produce L-aspartic acid from maleic acid with a high conversion rate by whole-cell catalyzing. Relatively inexpensive maleic acid is utilized by the recombinant strain to produce L-aspartic acid, where maleic acid is reacted completely in 40-120 min, there is almost no buildup of the intermediate fumaric acid, and the conversion rate is up to 98% or more.

Abstract: A device for measuring strength and strain softening parameters of a saturated clay sample based on full-flow penetration belongs to the technical field of geotechnical, geological and environmental research. The device mainly comprises two parts: an overlying pressure loading system and a full-flow penetration system. The present invention mainly aims at the problem of incomplete backflow of the soil in the measurement of soil strength and strain softening parameters with a full-flow penetrometer for saturated clay, and applies the working principle of a traditional consolidometer to vertically pressurize a soil sample to ensure the backflow of the soil, thereby improving the applicability of the full-flow penetrometer in the measurement aspect of the soil strength and the strain softening parameters and having important practical value for test research and marine engineering design.

Abstract: A display device includes an outer frame, an inner frame, and a glass. The inner frame is movably coupled to the outer frame, and the inner frame and the outer frame cooperatively define a glass receiving slot. One end of the glass is received in the glass receiving slot and clamped between the inner frame and the outer frame.

Abstract: Ozone generating machine for generating ozone in a ship, comprising: an ozone generator (OG), a liquid cooling circuit portion, a frame, comprising a base (B) for laying on the ground, a top subframe (TSF) supporting the ozone generator (OG), and at least one pair of pillars (P) arranged between the base (B) and the top subframe (TSF), characterized in that the frame comprises: at least one pair of cross-brace beams (CB), for linking the pillars (P), a plurality of dampers (D) attached to a bottom of the base (B).

Abstract: A converter includes a buck boost converter circuit to generate an output voltage in response to an input voltage, and an inductor current compensation circuit to generate an output current compensated inductor current signal corresponding to a sensed input current. The output current compensated inductor current signal includes a voltage gap between a boost ramp valley and a buck ramp peak. The buck boost converter circuit includes a current sensor to receive the input voltage, the current sensor to sense an input current corresponding to the input voltage, an upper buck transistor coupled to the input voltage node, an upper boost transistor coupled to an output voltage node to output the output voltage, and an inductor coupled between the upper buck transistor and the upper boost transistor. The inductor current compensation circuit adjusts the voltage gap based on an offset compensation voltage corresponding to a switching frequency.

Abstract: A buck boost converter includes a buck boost converter circuit to generate an output voltage in response to an input voltage, and a mode control logic circuit to generate a mode control signal to control an operation mode of the buck boost converter circuit to operate in one of a buck mode, a boost mode, and a buck-boost mode. The buck boost converter circuit includes an upper buck transistor coupled to an input voltage node, the input voltage node to receive the input voltage, an upper boost transistor coupled to an output voltage node, the output voltage node to output the output voltage, and an inductor coupled between the upper buck transistor and the upper boost transistor. The mode control signal is generated based on a first duty cycle of the upper buck transistor and a second duty cycle of the upper boost transistor.

Abstract: A control mechanism for a high-voltage generator for supplying voltage and current to an electronic radiation source in high-temperature environments is provided, the control mechanism including at least one voltage feedback loop for monitoring the output of the generator; at least one environmental temperature monitor; a control bus; and at least one control processor.

Abstract: An optical power and gain detection apparatus including multiple optical power detection circuits, an FPGA device, and a temperature detection circuit. Various optical power detection circuits include a respective independent photoelectric converter, a trans-impedance amplifier, an analog signal conditioning circuit, a filter and an analog-digital conversion chip. By improving an analog circuit, digital detection and control in an optical amplifier, the property of the FPGA device may be used to realize the detection of optical signal and gain in a burst mode, avoid increasing complicated analogue circuits, and avoid the influence caused by element inconsistency in an analogue control solution. Whether the optical signal is in a stable mode or in a burst mode, the algorithm can detect the optical power accurately and stably, with a wide application range. By strictly controlling the synchronism of ADC sampling and the delay of calculation, the amplifier gain may be calculated more accurately.

Abstract: A base device which can raise or lower a display panel suspended therein includes a fixing frame, a hanger for fixing the panel, two sliding rods, a connecting seat, a driving device, and a screw rod. The fixing frame includes two fixing rods spaced apart from each other and a base connected between the two fixing rods. The two sliding rods are connected to the hanger and slidably fixed to the two fixing rods. The connecting seat is fixed between the two sliding rods. The screw rod is fixed on the base. The driving device is fixed on the connecting seat and slidably connected to the screw rod. When the driving device is moved, manually or by motor, up and down along the screw rod the hanger carrying the panel is lifted up or lowered.

Abstract: A system and method for cardiac activation imaging includes non-invasively or minimally invasively acquiring data about an electrical activation of a heart of a subject using at least one sensor. An activation image of the heart of the subject is reconstructed using a weighted sparse constrained reconstruction.

Abstract: An external rotor motor includes an inner stator and an external rotor. The external rotor includes a casing and a plurality of magnets. The casing has an annular inner wall. The annular inner wall faces the inner stator and surrounds the inner stator. The magnets are placed along the annular inner wall of the casing. The magnets surround the inner stator. An end of at least one of the magnets has a round edge, a curvature radius of the round edge is R, a thickness of the at least one of the plurality of magnets is T, and the following condition is satisfied: 0.85?R/T?1.

Abstract: An apparatus feeds raw material bars to a furnace body of a melting furnace, and includes an enclosure body provided with a vertical feed passage to be disposed above an open top side of the furnace body. A feeding unit includes a push mechanism extending into an upper part of the feed passage, and a material retarder extending into a lower part of the feed passage. A transferring unit transfers a raw material bar to the feed passage in a manner that the raw material bar extends vertically in the feed passage. The push mechanism pushes the raw material bar in the feed passage downwardly, and the material retarder retards downward movement of the raw material bar out of the feed passage and into the furnace body.