Abstract: A method for screening pesticide residues in medicine food homology (MFH) characteristic agricultural products includes step 1, a liquid chromatography-mass spectrometry database of pesticides is constructed, standard solution are prepared for the pesticides and liquid chromatography and mass spectrometry are used to detect the standard solutions; step 2, a sample is processed and then is detected to obtain a liquid chromatography-mass spectrogram; step 3, the liquid chromatography-mass spectrogram obtained from step 2 and liquid chromatography-mass spectrograms in the liquid chromatography-mass spectrometry database obtained from step 1 are compared and analyzed individually.

Abstract: The present disclosure relates to the field of communication technologies, and provide a near-field communication (NFC) chip, a phase synchronization method, and an electronic device, to quickly synchronize a transmitted signal of an NFC card device with a carrier of an NFC card reader. The NFC chip includes a processing circuit configured to: determine a first carrier frequency offset between a local clock signal and a carrier clock signal, and generate a first frequency control word based on the first carrier frequency offset. The carrier clock signal is determined based on a received signal received by the NFC chip. The NFC chip further includes a phase-locked loop configured to generate a first clock signal based on the local clock signal and the first frequency control word.

Abstract: The disclosure provides techniques for registering a camera into a map via a robot. A method for registering a camera into a map may include: collecting an observation of a calibration marker from an image captured by the camera, the calibration maker being attached to a robot capable of moving in a view of the camera; calculating, for the observation of the calibration marker, a transform T (camera, marker) between a camera frame of the camera and a marker frame of the calibration marker; obtaining, for the observation of the calibration marker, a transform T (world, robot) between a world frame of the map and a robot frame of the robot; and performing, when more than a predetermined number of observations of the calibration marker are collected during movement of the robot, a calibration process to calculate a transform T(world, camera) between the world frame and the camera frame based on the transform T (camera, marker) and the transform T(world, robot) for each observation of the calibration marker.

Abstract: Disclosed is a device and method for preparing composite ice glaze, relating to the field of freshness of aquatic products. The device includes a frame portion, a mother liquid preparation portion, an ice glaze preparation portion, an ice glaze post-processing portion and a controller system; the frame portion includes a shell, a base, and a thermal insulation baffles; the mother liquid preparation portion includes a main water inlet pipe, a water storage tank, mother liquid tanks; the ice glaze preparation portion includes a homogenizing tank, a homogenizing tank inlet pipe, a waste cylinder inlet pipe; the ice glaze post-processing portion includes a reception cylinder, and a waste cylinder. The device provided by the invention is simple to use, and the prepared concentration is accurate and effective, so that the compounding process can be simplified and the compounding efficiency is effectively improved.

Abstract: A quinazoline compound as shown in formula I, and a pharmaceutically acceptable salt, solvate, prodrug, metabolite or isotopic compound thereof having a good inhibiting effect on a KRAS mutant protein.

Abstract: The present invention provides a use of a nitrogen-containing saturated heterocyclic compound.

Abstract: This application provides a communication method and apparatus, and a device. The method includes the following steps: receiving a first message from a network device, where the first message indicates a terminal device to measure a reference signal of a first cell and report a configuration measurement result in a physical layer coding format, and the first cell includes at least one non-serving cell of a terminal device, or the first cell includes at least one serving cell and the at least one non-serving cell of the terminal device; and obtaining a measurement result of the first cell based on the first message, where the measurement result of the first cell is used by the terminal device to perform cell selection, cell reselection, or cell handover. In this way, an inter-cell movement delay is reduced, and beam selection during inter-cell fast movement is implemented.

Abstract: The invention relates to a system for reducing the hardness of a water body. According to the system, the acidic water body near a filter element anode is continuously extracted in the electrolytic process, the effect of acid-alkali separation can be achieved without internally disposing an ion exchange membrane, acid-alkali mixing generated by electrodes slows down, the alkaline atmosphere of a cathode chamber is kept, and a good environment is provided for generation of calcium carbonate seed crystals; and meanwhile, the acidic water body extracted near the anode of an electrochemical electrolysis unit can be used for regenerating ion exchange resin in an ion exchange column, so that resources are fully utilized.

Abstract: In the technical field of plant medicines, disclosed is the application of aloesin in the preparation of products for preventing or treating obesity. Research has found that aloesin can inhibit lipid accumulation, increase the expression of browning genes UCP1 and PRDM16 and transcription factor C-EBPa, increase the expression and release of specific factor adiponectin, and inhibit the release of non-specific factor IL-1?, indicating that aloesin can mediate the browning of 3T3-L1 adipocytes, and aloesin can be used to prepare products for preventing or treating obesity.

Abstract: A method for measuring aloesin in rat plasma includes: taking the to-be-detected plasma containing aloesin, adding the methanol solution containing the internal standard compound aloeresin D thereinto, performing vortex precipitation, centrifuging, and collecting supernatant as to-be-detected sample; setting liquid chromatogram conditions as follows: carrying out gradient elution by adopting a mobile phase A and a mobile phase B, wherein the mobile phase A is an aqueous solution containing 0.1-1.0 thousandth (v/v) of formic acid, the mobile phase B is methanol; Setting mass spectrometry conditions as follows: using electrospray ion source, using negative ion detection, spray voltage being 4500 V, spray temperature being 550° C.; adopting multiple reaction ion monitoring scan mode, wherein the ion pair used for the quantitative analysis of aloesin is m/z 393.1?272.9, and the ion pair for the internal standard compound aloeresin D is m/z 555.3?144.9. The method improves aloesin detection in plasma.

Abstract: Disclosed is an automatic immersion ice-coating machine, including a frame, an ice-coating working pool, a feed port, a conveying device, a control system and a driving system. A first side of the ice-coating working pool communicates with a buffer tank. A bottom of the ice-coating working pool is stepped or inclined, and a drain valve is provided at a bottom of the ice-coating working pool. The conveying device includes a first conveyor belt and a second conveyor belt. The first conveyor belt is located under the feed port, and a lower portion of the first conveyor belt is lower than the liquid level, and the second conveyor belt communicates with the discharge port. The first and second conveyor belts are made of stainless steel mesh belts, and surfaces of the stainless steel mesh belts are provided with separators in a spaced manner.

Abstract: A method for calculating a carrier specific scaling factor and a communication apparatus. In an EN-DC scenario, a terminal device receives configuration information, sent by a network device, of an NR frequency, that is of service frequency inter-system measurement, non-service frequency inter-system measurement, PSCC intra-frequency measurement, SCC intra-frequency measurement, and inter-frequency measurement, where the service frequency inter-system measurement, the non-service frequency inter-system measurement, the PSCC intra-frequency measurement, the SCC intra-frequency measurement, and the inter-frequency measurement unsupported by an MG, and the terminal device calculates a CSSF outside the MG of each to-be-measured NR frequency in measurement types. Therefore, a CSSF of NR inter-system measurement is included in calculation of the CSSF outside the MG, to avoid a case in which the terminal device is unable to report a measurement result of inter-system measurement within a measurement delay.

Abstract: This application provides a measurement object indication method and apparatus. The method includes: A terminal receives measurement configuration information, where the measurement configuration information includes a first measurement object and a second measurement object; and the terminal receives a dedicated serving cell configuration, where the dedicated serving cell configuration includes first indication information and second indication information, the first indication information indicates the first measurement object, and the second indication information indicates the second measurement object. Therefore, according to the method provided in this application, a plurality of measurement objects corresponding to a frequency on which a serving cell is located may be indicated by using the dedicated serving cell configuration at the same time.

Abstract: A pharmaceutical composition, a complementary kit and an application thereof; the pharmaceutical composition comprises pramipexole and safinamide, the mass ratio of pramipexole to safinamide being 1:300-1:30; and the pharmaceutical composition has a good curative effect and has few side effects, and effectively improve the condition of a patient. The capabilities thereof in restoring dopamine levels are better than those from using pramipexole or safinamide alone. In addition, the composition has better neuroprotective activity, and therefore damage to the dopaminergic system and the normal sensitivity of the dopamine system to dopamine agonists are reduced. The composition can restore or balance a potential unbalanced response to “increasing dopaminergic treatment” that is caused by the use of a dopamine agonist alone; the composition can reduce the amount of pramipexole when used alone so as to reduce the risk of side effects and drug resistance.

Abstract: Disclosed is a 5-methylchromone and the preparation method and application thereof, the 5-methylchromone has the following structure: wherein R1 and R2 are alkyl groups. The substituted chromone has the biological activity of inhibiting tyrosinase. The preparation method uses 3,5-dihydroxytoluene as a raw material, and synthesis of chromones substituted with different groups at 2-C through acylation, esterification, rearrangement and cyclization reactions, etc. The 5-methylchromone is a completely new compound in condition that R1 is —CH2CH2CH3, and R2 is —CH2CH3, or that R1 is —C(CH3)3, and R2 is H. All the compounds have obvious inhibitory activity against tyrosinase, and can be used to prepare tyrosinase inhibitors or whitening agents.

Abstract: A method for storing database security audit records, comprises: S1, when a database server recognizes an auditable event to generate one database security audit record, identifying the database security audit record with a hashed value so that each database security audit record corresponds to a unique hashed value respectively; S2, packaging multiple database security audit records into a database security audit record block; and S3, transmitting the database security audit record block in encrypted way by adopting a peer-to-peer protocol for direct network communication between two nodes, and verifying an ownership of the database security audit record block. The disclosure has the beneficial effects that through an encryption mechanism and a consensus mechanism, storage of database security audit records is achieved in a peer-to-peer network, thereby ensuring that the database security audit records cannot be tampered and forged.

Abstract: Embodiments of this application provide an uplink transmission method and a device. A terminal performs measurement in a measurement gap; and the terminal determines whether to conduct uplink sending in a period of time. The period of time starts from the end of the measurement gap, and length of the period of time is determined by the terminal based on a communication parameter.

Abstract: Wheel back cavity groove processing equipment is disclosed in the present application, which includes a lower lifting system, a central brush system, groove brush systems, a synchronous clamping and rotating system, a left brush system, a right brush system, an upper lifting system and the like. The wheel back cavity groove processing equipment not only may be used for removing burrs from wheel back cavity grooves, but also may be used for removing burrs from bolt holes, a center hole, spoke edges and transverse corners, and simultaneously has the characteristics of high automation degree, high removal efficiency, advanced process, strong generality, and high safety and stability.

Abstract: A communications method and apparatus are provided. The terminal device performs measurement on a first secondary component carrier (SCC), wherein the terminal device is capable of measuring, on the first SCC, at least six cells and 24 synchronization signal blocks (SSBs), the 24 SSBs have different physical cell identifiers and/or time indexes, the physical cell identifiers are used to identify different physical cells, and the time indexes are used to identify different SSBs; wherein the first SCC is configured to report an SSB-based measurement result.

Abstract: A method for storing database security audit records, comprises: S1, when a database server recognizes an auditable event to generate one database security audit record, identifying the database security audit record with a hashed value so that each database security audit record corresponds to a unique hashed value respectively; S2, packaging multiple database security audit records into a database security audit record block; and S3, transmitting the database security audit record block in encrypted way by adopting a peer-to-peer protocol for direct network communication between two nodes, and verifying an ownership of the database security audit record block. The disclosure has the beneficial effects that through an encryption mechanism and a consensus mechanism, storage of database security audit records is achieved in a peer-to-peer network, thereby ensuring that the database security audit records cannot be tampered and forged.