Abstract: Bridged heterocyclyl-substituted pyrimidine compounds, a preparation method and medical use thereof. The compounds or pharmaceutical compositions comprising same can be used as JAK1 and TYK2 kinase inhibitors for treating JAK1 and TYK2 kinase activity-related diseases such as inflammations, autoimmune diseases and cancers.

Abstract: A current sensor includes: four first uniaxial TMR chips and at least two second uniaxial TMR chips, each first uniaxial TMR chip and each second uniaxial TMR chip being located on the same virtual ring, wherein magnetic sensitive directions of the four first uniaxial TMR chips are perpendicular to a radius of the virtual ring, magnetic sensitive directions of two adjacent first uniaxial TMR chips are perpendicular to each other, magnetic sensitive directions of the two second uniaxial TMR chips are parallel to the radius of the virtual ring and opposite to each other, and the two second uniaxial TMR chips respectively have the same positions as two first uniaxial TMR chips; each first uniaxial TMR chip and each second uniaxial TMR chip are configured to collect a magnetic induction intensity, the magnetic induction intensity is configured to calculate a target current value of a to-be-measured wire.

Abstract: The invention provides a two-phase flow active and passive multi-level data center cabinet cooling device and method, wherein the system includes a cabinet cooling device, a condensate system, a waste heat recovery device, a liquid reservoir, a liquid pump, a gas chamber, a fluid working medium, and a corresponding pipeline. The system comprise a closed loop, the loop is filled with nitrogen to maintain a low pressure state, and the pipeline fluid is driven by the liquid pump to flow; the gas chamber maintains a relatively stable air pressure in the two-phase flow loop; the liquid reservoir is connected with the gas chamber, providing an enough gas space to make a phase change occur more easily; the cabinet cooling device can be switched between an active mode and a passive mode to minimize PUE under good heat dissipation capability.

Abstract: A tricyclic compound having the structure represented by general formula (I), a pharmaceutical composition thereof, a preparation method therefor and the use thereof in the prevention and treatment of a variety of diseases caused by toxic aldehydes.

Abstract: The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.

Abstract: The present disclosure relates to a voltage measuring method, a computer device and a storage medium. The method includes: determining, by a voltage measuring device when the voltage measuring device is electrically coupled to a three-phase conductor through a voltage dividing capacitor in the voltage measuring device, a current measured voltage, the measured voltage being determined by measuring a voltage of the voltage dividing capacitor in the voltage measuring device; adjusting the coupling capacitances, and determining, by the voltage measuring device after the adjustment of the coupling capacitances, a current measured voltage; and determining, based on the measured voltage by the voltage measuring device before the adjustment of the coupling capacitances and the measured voltage by the voltage measuring device after the adjustment of the coupling capacitances, a voltage of a phase conductor of the three-phase conductor to be measured.

Abstract: A wire voltage measurement method includes: acquiring a first corresponding relationship of an electric field intensity of a to-be-measured wire, a voltage of the to-be-measured wire, and a perpendicular distance between an electric field sensor and the to-be-measured wire; measuring at least four initial electric field intensities in an electric field sensitive direction through the at least four electric field sensors, and acquiring distances among the four electric field sensors along the straight line; calculating a second corresponding relationship of the voltage of the to-be-measured wire and an external interference electric field intensity in the electric field sensitive direction according to the four initial electric field intensities, the distances among the four electric field sensors along the straight line, the first corresponding relationship, and a spatial position relationship of the at least four electric field sensors; calculating the voltage of the to-be-measured wire according to the seco

Abstract: A wire voltage measurement method includes: acquiring a first corresponding relationship of an electric field intensity of a to-be-measured wire, a voltage of the to-be-measured wire, and a perpendicular distance between an electric field sensor and the to-be-measured wire; measuring at least four initial electric field intensities in an electric field sensitive direction through the at least four electric field sensors, and acquiring distances among the four electric field sensors along the straight line; calculating a second corresponding relationship of the voltage of the to-be-measured wire and an external interference electric field intensity in the electric field sensitive direction according to the four initial electric field intensities, the distances among the four electric field sensors along the straight line, the first corresponding relationship, and a spatial position relationship of the at least four electric field sensors; calculating the voltage of the to-be-measured wire according to the seco

Abstract: A communication system, method, and device for a miniature intelligent sensor. The communication system includes a sensor, a power gateway, and a power Internet of things (IoT) server. The sensor is configured to obtain sensor data and send the sensor data to the power gateway according to a Bluetooth communication protocol. The power gateway is configured to receive the sensor data and perform protocol conversion on the sensor data to obtain protocol conversion data adapted to a message queuing telemetry transport (MQTT) protocol. The power gateway is configured to send the protocol conversion data to the power IoT server according to the MQTT protocol. The power IoT server is configured to receive the protocol conversion data and obtain server receiving data of the power IoT server according to the protocol conversion data.

Abstract: A voltage measurement device includes a probe module movably arranged around an alternating-current transmission line, and a measurement unit. A metal electrode is arranged on a surface of the probe module facing toward the alternating-current transmission line, electrically coupled with the alternating-current transmission line to form a coupling capacitor, and then forms an electrical circuit with an inductor element, a resistor element, and a reference signal source in the measurement unit. A processor controls the reference signal source to input reference voltage signals at different frequencies to the electrical circuit, determines a resonant frequency of the electrical circuit according to currents of the electrical circuit under the reference voltage signals at different frequencies, and determines a voltage of the alternating-current transmission line according to a first current component amplitude and the resonant frequency of the electrical circuit.

Abstract: An electrode includes a microporous titanium substrate coated with a catalytic layer, and the catalytic layer includes magnetic SnO2—Sb particles. The magnetic SnO2—Sb particles are attached to the microporous titanium substrate through an external magnetic field. The microporous titanium substrate includes a plurality of membrane pores having a pore size of 5-50 ?m that is smaller than a particle size of the magnetic SnO2—Sb particles.

Abstract: A voltage measurement device includes a probe module movably arranged around an alternating-current transmission line, and a measurement unit. A metal electrode is arranged on a surface of the probe module facing toward the alternating-current transmission line, electrically coupled with the alternating-current transmission line to form a coupling capacitor, and then forms an electrical circuit with an inductor element, a resistor element, and a reference signal source in the measurement unit. A processor controls the reference signal source to input reference voltage signals at different frequencies to the electrical circuit, determines a resonant frequency of the electrical circuit according to currents of the electrical circuit under the reference voltage signals at different frequencies, and determines a voltage of the alternating-current transmission line according to a first current component amplitude and the resonant frequency of the electrical circuit.

Abstract: An electrical connector includes an insulating body having a mating surface. An insertion slot is concavely provided on the mating surface. Two side walls are located at two sides of the insertion slot. A slot bottom surface is formed on a concave direction of the insertion slot. One of the side walls is provided with aground accommodating slot and a signal accommodating slot. A signal terminal and a ground terminal are provided on the one of the side walls. The signal terminal is accommodated in the signal accommodating slot. The ground terminal is accommodated in the ground accommodating slot. A side of the insulating plug member has a first portion corresponding to the signal accommodating slot and a second portion corresponding to the ground accommodating slot. The first portion is accommodated in the signal accommodating slot and is provided closer to the mating surface than the slot bottom surface.

Abstract: An electrical connector includes: a first main body, having a first wall surface and a second wall surface; a second main body, mounted on the first main body, and having a third wall surface and a fourth wall surface. A first channel is formed between the first wall surface and the third wall surface. A second channel is formed between the second wall surface and the fourth wall surface and is communicated with the first channel. A signal terminal has a fixing portion accommodated in the first channel and fixed by at least one of the first main body and the second main body, and an elastic arm formed by extending from the fixing portion and accommodated in the second channel. A contact portion is provided on the elastic arm and is exposed to the first main body in a left-right direction to be in contact with the mating member.

Abstract: An electrical connector includes a base and a row of conductive terminals, including at least one pair of differential signal terminals and multiple ground terminals. Each conductive terminal is in contact with a mating component. The conductive terminals include a terminal group having two ground terminals and one pair of differential signal terminals located between the two ground terminals. In the terminal group, a pitch between the pair of differential signal terminals is defined as a first pitch, a pitch between each differential signal terminal and its adjacent ground terminal is defined as a second pitch, and the first pitch is less than the second pitch. A pitch between another ground terminal adjacent to the terminal group and an adjacent ground terminal in the terminal group is defined as a third pitch, which is greater than the second pitch. The electrical connector and the mating component form a connector assembly.

Abstract: An electrical connector includes a base and a row of conductive terminals, including at least one pair of differential signal terminals and multiple ground terminals. Each conductive terminal is in contact with a mating component. The conductive terminals include a terminal group having two ground terminals and one pair of differential signal terminals located between the two ground terminals. In the terminal group, a pitch between the pair of differential signal terminals is defined as a first pitch, a pitch between each differential signal terminal and its adjacent ground terminal is defined as a second pitch, and the first pitch is less than the second pitch. A pitch between another ground terminal adjacent to the terminal group and an adjacent ground terminal in the terminal group is defined as a third pitch, which is greater than the second pitch. The electrical connector and the mating component form a connector assembly.

Abstract: An electrical module is electrically conducted with an electronic component, and includes multiple conductors having a first row of conductors arranged in a left-right direction and an insulating body fixing the first row of conductors. Each conductor has a contact portion in contact with the electronic component. A distance between each two adjacent contact portions of the conductors in the left-right direction is defined as a contact interval. The first row of conductors have at least one pair of signal conductors and at least two ground conductors. Each two adjacent sides of the pair of signal conductors has one ground conductor. The contact interval from one signal conductor to its adjacent ground conductor is defined as a first contact interval. The contact interval from the other signal conductor to its adjacent ground conductor is defined as a second contact interval. The first and second contact intervals are not equal.

Abstract: An electrical module is electrically conducted with an electronic component, and includes multiple conductors having a first row of conductors arranged in a left-right direction and an insulating body fixing the first row of conductors. Each conductor has a contact portion in contact with the electronic component. A distance between each two adjacent contact portions of the conductors in the left-right direction is defined as a contact interval. The first row of conductors have at least one pair of signal conductors and at least two ground conductors. Each two adjacent sides of the pair of signal conductors has one ground conductor. The contact interval from one signal conductor to its adjacent ground conductor is defined as a first contact interval. The contact interval from the other signal conductor to its adjacent ground conductor is defined as a second contact interval. The first and second contact intervals are not equal.

Abstract: An electrical connector includes: a first main body, having a first wall surface and a second wall surface; a second main body, mounted on the first main body, and having a third wall surface and a fourth wall surface. A first channel is formed between the first wall surface and the third wall surface. A second channel is formed between the second wall surface and the fourth wall surface and is communicated with the first channel. A signal terminal has a fixing portion accommodated in the first channel and fixed by at least one of the first main body and the second main body, and an elastic arm formed by extending from the fixing portion and accommodated in the second channel. A contact portion is provided on the elastic arm and is exposed to the first main body in a left-right direction to be in contact with the mating member.

Abstract: An electrical connector includes an insulating body having a mating surface. An insertion slot is concavely provided on the mating surface. Two side walls are located at two sides of the insertion slot. A slot bottom surface is formed on a concave direction of the insertion slot. One of the side walls is provided with aground accommodating slot and a signal accommodating slot. A signal terminal and a ground terminal are provided on the one of the side walls. The signal terminal is accommodated in the signal accommodating slot. The ground terminal is accommodated in the ground accommodating slot. A side of the insulating plug member has a first portion corresponding to the signal accommodating slot and a second portion corresponding to the ground accommodating slot. The first portion is accommodated in the signal accommodating slot and is provided closer to the mating surface than the slot bottom surface.