Abstract: A robot control method, including: determining a target operation map according to target position information of a current operation of a robot; determining, based on a pre-established map connection relationship, a transfer position that the robot moves to; controlling the robot to move to the transfer position and switching maps, until the robot moves to the target operation map; and controlling the robot to move to an operation destination according to map information of the target operation map and the target position information.

Abstract: A compound as shown in formula I, or an optical isomer thereof, a solvate thereof, a pharmaceutically acceptable salt thereof, a prodrug thereof, a tautomer thereof, a mesomer thereof, a racemate thereof, an enantiomer thereof, a diastereomer thereof, a mixture form thereof, a metabolite thereof, a metabolic precursor thereof, or an isotope substitute form thereof. TB is a target recognition/binding portion, L is a linking portion, and U is a ubiquitin protease recognition/binding portion, the three portions being connected by means of chemical bonds. The compound can significantly down-regulate mutated androgen receptor (AR) proteins, and has good inhibitory activity on prostate cancer cell lines.

Abstract: Provided are a system and a method for impact testing and monitoring of a high-energy flexible net. The system includes a vertical impact testing unit, a slope impact testing unit, an impact simulation unit, and an impact monitoring unit. The vertical impact testing unit includes a vertically positioned gravity wall. The slope impact testing unit includes a wall slope positioned perpendicularly to a second side of the gravity wall. A first side of the gravity wall and a slope surface of the wall slope are securely provided with a flexible net, respectively. The impact simulation unit includes an impact assembly and a lifting assembly. The impact monitoring unit is configured to monitor a deformation result and an internal force change result of the flexible net.

Abstract: A deep state space generative model is augmented with intervention prediction. The state space model provides a principled way to capture the interactions among observations, interventions, critical event occurrences, true states, and associated uncertainty. The state space model can include a discrete-time hazard rate model that provides flexible fitting of general survival time distributions. The state space model can output a joint prediction of event risk, observation and intervention trajectories based on patterns in temporal progressions, and correlations between past measurements and interventions.

Abstract: An electronic cigarette includes a main body portion and a mouthpiece portion, the mouthpiece portion being moveably connected to the main body portion by a connection mechanism. The main body portion includes a first cartridge seating configured to receive a first cartridge and the mouthpiece portion includes a second cartridge seating configured to receive a second cartridge. The connection mechanism is configured to enable the mouthpiece portion to move relative to the main body portion between: a closed position in which the first cartridge seating is enclosed in the electronic cigarette; and an open position in which the first cartridge seating is exposed such that a first cartridge can be received, while the main body and the mouthpiece portion remain connected to each other by the connection mechanism.

Abstract: The present invention provides a high-aluminum austenitic alloy and a high-aluminum austenitic centrifugal casting pipe. The high-aluminum austenitic alloy and the high-aluminum austenitic centrifugal casting pipe have excellent anti-corrosion capabilities and creep resistance at a temperature of 900° C. or above, while having required mechanical properties. In weight percentage, the high-aluminum austenitic alloy or the high-aluminum austenitic centrifugal casting pipe of the present invention is composed of the elements of: C, 0.3-0.7%; Mn, 0-0.5%; Si, 0-0.5%; Cr, 20-26%; Ni, 40-50%; Al, 3.5-5%; Ti, 0.01-0.3%; Zr, 0.01-0.3%; Nb, 0.1-1%; Ta, 0.01-2%; Mo, 0.01-1%; W, 0.01-1.9%; N, 0.001-0.04%; Re, 0.03-0.3%; the remainder being Fe and inevitable impurities. The present invention also relates to a method for manufacturing the high-aluminum austenitic alloy and the high-aluminum austenitic centrifugal casting pipe of the present invention.

Abstract: Disclosed are a nano silver paste and a preparation method thereof. The nano silver paste of the present application includes nano silver powder, micron-tin based solder particles, a reducing agent, a dispersing agent, and a diluent. The nano silver paste of the present application is obtained by uniformly mixing the nano silver powder, the micron-tin based solder particles, the reducing agent, the dispersing agent, and the diluent. According to the nano silver paste of the present application, the problems of nano silver paste in the prior art of low stacking density during non-pressure sintering, high porosity, severe volume contraction, susceptibility to cracking, and low interface soldering rate are solved, thereby improving the mechanical properties and reliability of sintering positions.

Abstract: The present application belongs to a technical field of modifying natural polymer materials, provides a high-viscosity lithium carboxymethyl cellulose and preparation method therefor and application thereof. Raw materials are fed into a reactor, and the high-viscosity lithium carboxymethyl cellulose is prepared through an alkalization reaction, an etherification reaction, an acidification reaction and a substitution reaction. The prepared high-viscosity lithium carboxymethyl cellulose can be used for preparing a negative electrode plate of a lithium-ion battery. Compared with the existing lithium carboxymethyl cellulose, the high-viscosity lithium carboxymethyl cellulose provided by the present application can not only reduce an application amount in preparing a negative electrode plate of a lithium-ion battery so as to save a using cost, but also promote an electrochemical performance of the material in combination with a sodium lignin sulfonate.

Abstract: The present application belongs to a technical field of modifying natural polymer materials, provides a high-viscosity lithium carboxymethyl cellulose and preparation method therefor and application thereof. Raw materials are fed into a reactor, and the high-viscosity lithium carboxymethyl cellulose is prepared through an alkalization reaction, an etherification reaction, an acidification reaction and a substitution reaction. The prepared high-viscosity lithium carboxymethyl cellulose can be used for preparing a negative electrode plate of a lithium-ion battery. Compared with the existing lithium carboxymethyl cellulose, the high-viscosity lithium carboxymethyl cellulose provided by the present application can not only reduce an application amount in preparing a negative electrode plate of a lithium-ion battery so as to save a using cost, but also promote an electrochemical performance of the material in combination with a sodium lignin sulfonate.

Abstract: An electronic cigarette includes a main body portion and a mouthpiece portion, the mouthpiece portion being moveably connected to the main body portion by a connection mechanism. The main body portion includes a first cartridge seating configured to receive a first cartridge and the mouthpiece portion includes a second cartridge seating configured to receive a second cartridge. The connection mechanism is configured to enable the mouthpiece portion to move relative to the main body portion between: a closed position in which the first cartridge seating is enclosed in the electronic cigarette; and an open position in which the first cartridge seating is exposed such that a first cartridge can be received, while the main body and the mouthpiece portion remain connected to each other by the connection mechanism.

Abstract: A solder preform is provided, at least one surface of the solder preform (C) is provided with a plurality of protruding portions and/or recessing portions provided at a certain interval.

Abstract: A solder preform is provided, at least one surface of the solder preform (C) is provided with a plurality of protruding portions and/or recessing portions provided at a certain interval.

Abstract: A flexible circuit board connector includes an insulating housing, a plurality of conductive terminals assembled to the insulating housing, an elastic module and a locking board. A front surface of the insulating housing is recessed rearward to form an inserting groove. The insulating housing opens an opening. The locking board accommodated in the opening has a base board. Two opposite sides of the base board extend downward to form two side boards. Bottom edges of the two side boards protrude downward to form two locking hooks. A flexible printed circuit board is inserted rearward into the inserting groove and pushes rearward against front surfaces of the two locking hooks, after the flexible printed circuit board slips away from the two locking hooks, the two locking hooks project into two gaps of the flexible printed circuit board, respectively.

Abstract: A flexible circuit board connector includes an insulating housing, a plurality of conductive terminals assembled to the insulating housing, an elastic module and a locking board. A front surface of the insulating housing is recessed rearward to form an inserting groove. The insulating housing opens an opening. The locking board accommodated in the opening has a base board. Two opposite sides of the base board extend downward to form two side boards. Bottom edges of the two side boards protrude downward to form two locking hooks. A flexible printed circuit board is inserted rearward into the inserting groove and pushes rearward against front surfaces of the two locking hooks, after the flexible printed circuit board slips away from the two locking hooks, the two locking hooks project into two gaps of the flexible printed circuit board, respectively.

Abstract: A smart home monitoring method, apparatus, and smart home system, which improve monitoring efficiency and further enhance performance of human-computer interaction. The method may comprise: if, when a display device (1) is in standby, the display device detects a data signal sent by a sending device of the smart home, then the display device (1) being triggered by the data signal to power on, the data signal being used for characterizing the visitor's access information; the display device (1) receiving and storing the data signal.

Abstract: Provided are a high-efficiency parallel-beam laser optical fiber drawing method and optical fiber, the method including the steps of: S1: providing base planes on the side surfaces of both a gain optical fiber preform and a pump optical fiber preform, inwardly processing the base plane of the gain optical fiber preform to make a plurality of ribs protrude, and inwardly providing a plurality of grooves on the base plane of the pump optical fiber preform; S2: embedding the ribs into the grooves, tapering and fixing one end of the combination of the ribs and the grooves to form a parallel-beam laser optical fiber preform; S3: drawing the parallel-beam laser optical fiber preform into parallel-beam laser optical fibers. The process has high repeatability, and the obtained parallel-beam laser achieves peelability of pump optical fibers in a set area, thus facilitating multi-point pump light injection of parallel-beam laser optical fibers.

Abstract: A process for coating a preform with a flux is provided, which comprises: preform pretreatment, powder preparation, coating, curing, and post treatment. The process has the advantages of uniform and stable coating, highly controllable coating thickness, strong binding force, being efficient and environmentally friendly, and low cost, thus being suitable for coating the surface of various preforms with a flux.

Abstract: The present invention provides a high-concentration flux for being sprayed on a preform. The flux has a composition comprising, based on weight percent, 35-50% of a film-forming agent, 1-20% of an active substance, 0.1-1.5% of a surfactant, and 0.005-0.02% of a dye, with the balance being a solvent. The flux has the advantages of excellent coating performance, highly controllable coating amount, high activity, and low active substance residue after welding, and is suitable for the efficient spraying process and highly reliable welding of various preforms.

Abstract: Provided are a high-efficiency parallel-beam laser optical fiber drawing method and optical fiber, the method including the steps of: S1: providing base planes on the side surfaces of both a gain optical fiber preform and a pump optical fiber preform, inwardly processing the base plane of the gain optical fiber preform to make a plurality of ribs protrude, and inwardly providing a plurality of grooves on the base plane of the pump optical fiber preform; S2: embedding the ribs into the grooves, tapering and fixing one end of the combination of the ribs and the grooves to form a parallel-beam laser optical fiber preform; S3: drawing the parallel-beam laser optical fiber preform into parallel-beam laser optical fibers. The process has high repeatability, and the obtained parallel-beam laser achieves peelability of pump optical fibers in a set area, thus facilitating multi-point pump light injection of parallel-beam laser optical fibers.

Abstract: A reducing dross method of lead-free solder includes the steps of: producing master alloy of reducing dross which comprises Sn and 0.1 to 0.8 wt % P; analyzing the percentage of P of the lead-free solder to be modified, in order to reach 0.008 to 0.015 wt % P in the lead-free solder, adding the master alloy into the lead-free solder with the percentage of P less than 0.008 wt % or no P; then sampling the lead-free solder at regular intervals to determine the percentage and the percentage loss of P, if the percentage of P being less than a given value from 0.008 to 0.015 wt %, adding the master alloy to keep the percentage of P as 0.008 to 0.015 wt %.