Abstract: A mobile terminal (1), a switch control method, and a computer readable storage medium. The mobile terminal (1) comprises a hardware security processor (11), a first information input device (12), and a control switch (14); when the control switch (14) is turned on, if first security information currently collected by the first information input device (12) does not match second security information stored in a storage module, or the second security information does not exist in the storage module when the first security information currently collected by the first information input device (12) is obtained, the hardware security processor (11) controls the control switch (14) to be turned off, so as to prevent a second information input device (15) of the mobile terminal (1) from uploading the collected information to a main processor (16) of the mobile terminal (1).

Abstract: The present disclosure provides a wireless flexible magnetic sensor based on magnetothermal effect, and a preparation method and a detection method thereof. The magnetic sensor includes an aerogel substrate, and magnetic nanoparticles having magnetothermal effect that are attached to a surface of the aerogel substrate. The magnetic sensor is placed in the alternating magnetic field to be measured, and then a trigger signal is generated by a data collecting device and sent to an infrared camera. The infrared camera can collect temperature distribution information at different instants of time from the surface of the magnetic sensor. A curve of temperature rise changes at different positions on the surface of the magnetic sensor can be obtained by analyzing a temperature distribution image captured by the infrared camera. Thus, a spatial distribution of the strength of the alternating magnetic field at different positions on the surface of the sensor can be determined.

Abstract: Disclosed are a distributed database preprocessing method, a database proxy layer, a system and a non-transitory computer-readable storage medium. The distributed database preprocessing method, applied to a database proxy layer, may include: receiving a request corresponding to a prepared statement; and performing processing according to the request corresponding to the prepared statement and a session identifier cached in a prepared statement cache library, a session corresponding to the session identifier cached in the prepared statement cache library is a prepared statement session where a connection is successfully established between a client and a database.

Abstract: Provided is an accurate, fast and long-term stable fused CRAP. The electrode includes a positioning anchor, a silicone catheter, a sensor compartment and a connecting wire. The method monitors physiological information such as blood PPG, blood oxygen saturation, temperature and impedance of blood in the right ventricular cavity, and monitors blood temperature information, which is also a slowly changing metabolic rate, to provide cross-comparison with blood oxygen saturation information, improving monitoring accuracy of blood oxygen saturation. The rapidly changing right ventricular apical impedance information is monitored to improve rapid response ability of CRAP. The LEDs driving current is dynamically adjusted by monitoring the internal temperature of the PPG sensor and the impedance change of the attached biological tissue, which indirectly reflects thickness change of the attached biological tissue, thereby delaying the failure time of the PPG sensor.

Abstract: Embodiments of the present disclosure relate to wireless communication field and disclose a method for speed measurement and positioning and a terminal. The speed measurement and positioning method in the present disclosure applied to a receiving end comprises: when it is determined that the local oscillation frequency of the receiving end is the same as that of each transmitting end, receiving a test signal transmitted by at least one transmitting end; determining frequency difference between the frequency of the test signal and the local oscillation frequency of the receiving end; determining, according to the frequency difference, the relative speed between the receiving end and the transmitting end corresponding to the test signal; and determining, according to the determined relative speed and first position information of the transmitting end corresponding to the test signal, second position information of the receiving end relative to the transmitting end corresponding to the test signal.

Abstract: The present disclosure discloses a shear-type vibration-ultrasonic composite sensor and a measuring device. In the shear-type vibration-ultrasonic composite sensor, a metal matching layer includes an insulating layer arranged on a lower surface and a supporting pillar arranged on an upper surface, the metal matching layer is in contact with a to-be-detected object via the insulating layer, a first negative electrode face of a first normal piezoelectric element is attached to one side of the metal matching layer, a first positive electrode face of the first normal piezoelectric element is attached to a second positive electrode face of a second normal piezoelectric element, a second negative electrode face is attached to a first surface of a backing block, and a second surface of the backing block is provided with a metal housing.

Abstract: A method for preparing a polishing pad includes: preparing a polishing pad transition structure formed with a plurality of grooves, openings of the plurality of grooves being all located on a same side surface of the polishing pad transition structure; filling the plurality of grooves of the polishing pad transition structure with inorganic nanoparticles; pouring a mixture of a liquid polymer and a curing agent on the polishing pad transition structure, and evacuating air in the liquid polymer and the plurality of grooves; and placing the polishing pad transition structure in an environment at a temperature higher than or equal to a first temperature threshold, and the cured liquid polymer and the polishing pad transition structure constituting the polishing pad.

Abstract: A modified asphalt binder according to the present application includes natural asphalt and petroleum asphalt with a weight ratio of (30-70):(70-30), wherein the ash content in the natural asphalt is up to 60% based on the natural asphalt, and the volume percentage of a trichloroethylene-insoluble-substances with particle size of more than 6 microns in the asphalt binder is less than 10%.

Abstract: The present disclosure discloses a method for determining a reflective surface of a steering gear and a focusing steering gear of an external level gauge. The method includes: obtaining a focal length and a specific reflection angle (101); determining an 0th step reflective surface (102) of the reflective surface of the steering gear based on the focal length and the specific reflection angle; determining an adjacent step reflective surface (103) by a geometric method based on the 0th step reflective surface; and if a number of steps of the reflective surface of the steering gear reaches a preset value, determining the reflective surface (104) of the steering gear based on the 0th step reflective surface and the adjacent step reflective surface. According to the present disclosure, a liquid level can be measured at an outer side of a side wall of a vertical liquid storage tank.

Abstract: A high-modulus asphalt binder of the present application includes 100 parts by weight of asphalt consisting of natural asphalt and petroleum asphalt in a weight ratio of 20-50:80-50, and 1-10 parts by weight of a modifier, wherein the ash content of the natural asphalt is as high as 60 wt % based on the weight of the natural asphalt, and trichloroethylene insoluble particles having a particle size of 10 microns or more in the asphalt binder are in a volume ratio of 5% or less.

Abstract: A method and device for conference control and conference participation, server, terminal, and storage medium are disclosed. The conference control method may include: acquiring conference bitstream of a current conference; performing, in response to extracting three-dimensional resource identification information from the conference bitstream, a three-dimensional resource matching in a preset three-dimensional resource repository based on the three-dimensional resource identification information; and transmitting, in response to matching a target three-dimensional resource corresponding to the three-dimensional resource identification information in the three-dimensional resource repository, the target three-dimensional resource to a three-dimensional resource processing terminal of a conference participating terminal.

Abstract: A data synchronization method and device for databases, and a storage medium are disclosed. The method includes: in the case where transaction response results fed back by multiple data nodes are all successful, receiving transaction commit request messages sent by a client, and writing a global transaction ID into a transaction processing list; sending the transaction commit request messages to the multiple data nodes; receiving transaction commit results fed back by the multiple data nodes; and in the case where the transaction commit results fed back by the multiple data nodes are all successful, applying to a global transaction manager to release the global transaction ID.

Abstract: The invention discloses a differential compliant displacement reducer, and relates to three technical solutions with similar working principles. The three technical solutions have the following characteristics: firstly, the three technical solutions all relate to an outer frame and all belong to a differential compliant displacement reducer circumferentially formed by extending upward and downward along both ends of the driver, and the working principle is similar; secondly, the differential motion of the three technical solutions comes from the difference caused by deformation of the upper and lower or inclined upper and lower deformable parts of the driver in the differential compliant displacement reducer; thirdly, compared with a traditional displacement amplifier, the three technical solutions all belong to the displacement reducer, the structure is simpler than that of the existing displacement amplifier; and fourthly, the three technical solutions can be matched with a macro-motion platform.

Abstract: Disclosed is a catalyst for preparing 2,3,3,3-tetrafluoropropene by gas-phase hydrodechlorination, which solves the problem of the high costs and easy deactivation of traditional chlorofluorocarbon hydrodechlorination catalysts. The disclosed catalyst is characterized in consisting of an active component and a carrier, wherein the active component is a combination of one or more of the metals: Ni, Mo, W, Co, Cr, Cu, Ce, La, Mn and Fe. The catalyst in the present invention has excellent performance, high activity, good stability and a low reaction temperature, effectively reduces reaction energy consumption, and has industrial application value.

Abstract: Disclosed are a room temperature curable quick-setting high-strength alkali-activated fly ash (AAFA) cementitious material and a preparation method thereof, belonging to the technical field of building materials. The raw materials include: in parts by mass, 30-50 parts of undisturbed fly ash, 50-70 parts of highly reactive ultra-fine fly ash, and 12-18 parts of sodium hydroxide. Specifically, the AAFA with fast setting and high strength for room temperature curing is prepared by pretreatment of fly ash with sodium hydroxide exciter, based on a premise that the raw material system and preparation process are simplified and feasible.

Abstract: A recognition method of intracranial vascular lesions based on transfer learning is provided, which includes: obtaining a bright-blood image group, a black-blood image group and an enhanced black-blood image group; registering bright-blood images to obtain a registered bright-blood image group; eliminating flowing void artifact to obtain an artifact-elimination enhanced black-blood image group; subtracting each image of the artifact-elimination enhanced black-blood image group from corresponding black-blood image to obtain angiography enhanced images; establishing a blood 3D model; establishing a vascular 3D model with blood boundary expansion; establishing an angiography enhanced 3D model by using the angiography enhanced images; obtaining an intracranial vascular enhanced 3D model based on the blood 3D model, the vascular 3D model and the angiography enhanced 3D model; and obtaining an intracranial vascular lesion recognition model based on the intracranial vascular enhanced 3D model.

Abstract: Disclosed is the use of Belinostat or a pharmaceutically acceptable salt thereof in preparation of a drug for treating an infection. Also disclosed are related methods and compositions.

Abstract: Embodiments of the disclosure relate to a receiving card, which includes: a circuit board and a programmable logic device, a memory device, a plug-in component, a physical layer transceiver group and a plurality of Ethernet interfaces arranged on the circuit board. The memory device and the plug-in component are electrically connected with the programmable logic device; the plurality of Ethernet interfaces are respectively and electrically connected with a plurality of SerDes channels configured by the programmable logic device through the physical layer transceiver group; each of the plurality of SerDes channels includes two pairs of differential signal lines, and one of the two pairs of differential signal lines is used for transmitting data and the other pair of differential signal lines is used for receiving data.

Abstract: Disclosed are a method for for sending and receiving signaling information. The method includes: sending, by a base station, signaling information; where the signaling information includes: information about a correspondence between a sequence parameter and a time domain symbol. The correspondence between the sequence parameter and the time domain symbol includes: the sequence parameter hopping once every R3 time domain symbols; where R3 is an integer, each of the R3 time domain symbols includes an uplink channel or an uplink signal. R3 satisfies at least one of the following: R3 is equal to a length of a time domain orthogonal cover code (OCC) corresponding to the uplink channel or the uplink signal, or R3 is equal to a frequency domain repeated sending parameter R; where R is a positive integer.

Abstract: Disclosed is a method and device for processing Image, and an image transmitting system. The method includes that: data to be transmitted are processed according to a first resolution to obtain first image data, wherein the image resolution represented by each row of image data in the first image data is the first resolution, and the first resolution is the maximum resolution set by a system; and the first image data is folded to obtain second image data, wherein the number of rows of the second image data is greater than that of the first image data, the image resolution represented by each row of image data in the second image data is a second resolution, and the second resolution is less than the first resolution.