Abstract: A method of generating diffraction images based on wave equations includes generating a source wavefield and a receiver wavefield. Based on the source wavefield, a first source wavefield propagating in a first direction and a second source wavefield propagating in a second direction are generated. Based on the receiver wavefield, a first receiver wavefield propagating in the first direction and a second receiver wavefield propagating in the second direction are generated. A first seismic image is generated based on the first source wavefield and the first receiver wavefield. A second seismic image is generated based on the second source wavefield and the second receiver wavefield. A final seismic image is generated based on the first seismic image and the second seismic image.

Abstract: A method and reagent for constructing a nucleic acid double-linker single-strand cyclic library.

Abstract: Provided herein are systems and methods described related to a power module of a drivetrain system of an electric vehicle. The power modules as described herein can include a sandwich structure that reduces a parasitic inductance of the power module through mutual inductance cancellation. For example, the power modules can include at least two current paths that overlap or are formed over each other in a sandwich like formation to form a power loop having an overlapping current path. The power loop can have an overall inductance value corresponding to a self-inductance of the first current path and a self-inductance of the second current path subtracted by a mutual inductance value of the overlapping current path.

Abstract: An ultra-high sensitivity dual-gated biosensor based on an MOS transistor, which is applicable to detection of a series of early tumors. The sensor is prepared and processed by using SOI wafers, and a unique dual-gated structure is realized by ion implantation technique. The sensor is prepared by an ultraviolet lithography combined with an NLD etching method, realizing trace, instant and marker-free detection of tumor markers. The method detects a change in capacitance in the channel during binding of antigen antibodies. The detection method involved in the invention is more stable and strong in anti-interference, can meet the demands in the aspect of detection range and sensitivity, and especially has extremely outstanding detection sensitivity, and can detect a sample with a lowest concentration in the range of 1 fg/ml˜1 ng/ml.

Abstract: A method and apparatus are for determining a location of a new point of interest by determining demand information of a user based on retrieval data of the user. The retrieval data includes at least point of interest data, and the demand information includes at least a demand occurrence position. Supply information, including at least a supply region of existing points of interest are obtained based on the retrieval data. The demand information of the user is matched with the supply information of the existing points of interest to obtain the unsatisfied demand information of the user. The location of the new point of interest is determined based on the unsatisfied demand information of the user. The demand information for determining the location of a new point of interest is more accurate and comprehensive, and accuracy and reliability of the site selection of a new point of interest are improved.

Abstract: A method for stepwise construction of a preferential gas migration pathway at a stope in a coal seam. First, a gas migration pathway is preliminarily formed at a stope depending on a mining effect of mining in a first mined seam. construction and stabilization method of gob-side entry retaining in deep strata, and a method of manual-guided pre-fracturing boreholes are then used to perform active construction respectively in external space and the outside of coal-rock mass to form preferential gas migration pathways. Eventually, under the effect of mining-induced stress, a system of preferential gas migration pathways connected to each other at the stope is further formed.

Abstract: A personalized score for a place that a user may want to visit is computed and displayed to the user. The score is computed based on at least one of inferred or explicit parameters, using machine learning. The score may be displayed to the user in connection with the place, and in some examples explanations of the underlying factors that resulted in the score are also displayed. Because each user is unique, the score may be different for one person than for another. Accordingly, when a group of friends are deciding on a place to visit, such as a place to eat, the personalized score for a given restaurant may be higher for a first user than for a second user.

Abstract: Embodiments provide a method, device, storage medium and mobile terminal, for recognizing an Off-screen gesture. The method includes: upon reception in a driver layer of an Off-screen gesture input by a user, determining whether each of preset Off-screen gestures is switched on based on an Off-screen gesture switch that switches on or off the preset Off-screen gesture in the driver layer; matching an switched-on Off-screen gesture with an Off-screen gesture in a preset confusable gesture group, and determining to change a recognition condition for the switched-on Off-screen gesture when the matching indicates there is only one Off-screen gesture in the on state in the confusable gesture group; and when determining to change the recognition condition, replacing, with a preset second recognition condition, a first recognition condition for the switched-on Off-screen gesture in the driver layer, and recognizing a gesture type of the input Off-screen gesture with the second recognition condition.

Abstract: An aerial system, including a processing system, an optical system, an actuation system and a lift mechanism, includes an autonomous photography and/or videography system 70, implemented, at least in part, by the processing system 22, the optical system 26, the actuation system 28 and the lift mechanism 32. The autonomous photograph and/or videography system performs the steps of establishing a desired flight trajectory, detecting a target, controlling the flight of the aerial system as a function of the desired flight trajectory relative to the target using the lift mechanism and controlling the camera to capture pictures and/or video.

Abstract: This invention relates to a wax composition comprising one or more fatty acid diester compounds having the formula of R1 and R2 are each independently a substituted or unsubstituted C4 to C50 alkyl or aryl; and n1 is an integer from 2 to 10. This invention also relates to a wax composition comprising: a) one or more fatty acid monoester or diester compounds having the formula of: and b) one or more hydroxylated fatty acid diester compounds having the formula of In these formulae, R is H or COR1?; R1? and R2? are each independently a substituted or unsubstituted C4 to C50 alkyl or aryl; n2 is an integer from 2 to 24; m is an integer from 2 to 12; and .(OH)m represents 2 to 12 hydroxyl groups substituting for 2 to 12 hydrogen atoms in the alkyl groups R1? and/or R2?. Uses of the compositions are also disclosed.

Abstract: A thermoplastic composition includes a polymeric base resin, a glass fiber component, and a laser direct structuring additive. The laser direct structuring additive includes copper chromite black, copper hydroxide phosphate, tin-antimony cassiterite grey or a combination thereof. In some aspects the polymeric base resin includes polybutylene terephthalate (PBT), polyamide (PA), polycarbonate (PC), poly(p-phenylene oxide) (PPO), or combinations thereof. In certain aspects the thermoplastic composition has a nano molding technology (NMT) bonding strength of at least about 20 MPa when bonded to aluminum alloy. In further aspects the thermoplastic composition includes a plating index of at least a about 0.25. The disclosed thermoplastic compositions can be used to form articles such as NMT bonded covers of consumer electronics devices.

Abstract: Multi-resolution encoded files are stored on a plurality of disk drives using systematic network coded storage. In some embodiments, the stored files are used to provide video streaming services for users.

Abstract: A method of enhancing seismic images includes receiving a seismic gather. The seismic gather includes a plurality of seismic traces. A feature trace is generated based on the plurality of seismic traces in the seismic gather. For each of the plurality of seismic traces in the seismic gather, a correlation trace is generated based on that seismic trace and the feature trace, the correlation trace is modified using an activation function, and an enhanced trace is generated by multiplying that seismic trace with the modified correlation trace.

Abstract: The use of a genetic method to down-regulate RBO/EFR3/EFR3A/EFR3B proteins, TTC7 protein or PI4KIII? enzyme protein which interacts with RBO/EFR3/EFR3A/EFR3B proteins and TTC7 protein, or the use of a drug to inhibit PI4KIII? protein kinase activity reduces the accumulation of A?42 within neurons and age-dependent synaptic transmission failure and other obstacles in a fruit fly AD model, and obtains an effect of improving the learning and memory abilities of AD model mice. Provided is a method for using an RBO/EFR3/EFR3A/EFR3B inhibitor, a TTC7 inhibitor and a PI4KIII? inhibitor to treat Alzheimer's disease. Also provided is a method for screening a drug treating Alzheimer's disease by whether A? secretion by nerve cells is promoted or not.

Abstract: A hydraulic plunger pump variable control structure (100) and a control method for the same are provided. The hydraulic plunger pump variable control structure (100) includes a valve body (1), a main valve core (2) and a main valve sleeve (3). The main valve core (2) has a first end provided with a spring loaded assembly (4), and a second end provided with a pilot valve core (6), the spring loaded assembly being configured to provide a reverse preloading force. The main valve sleeve (3) is connected with a feedback rod (5) that is connected with a variable piston pump. A valve sleeve (7) is disposed outside the main valve core (2).

Abstract: A Pushlet IM method for pushing a message from a first client device to a second client device includes the steps of: providing a Java-based web service; receiving a message from the first client device, the message including information of a recipient entity; verifying identity of a sender entity who intends to send the message to the recipient entity using the first client device; and creating a thread according to the information of the recipient entity for pushing the message to the second client device that is associated with the recipient entity.

Abstract: Provided herein are systems and methods related to an inverter module of a drivetrain system of an electric vehicle. The inverter module can include multiple power modules to form a three phase inverter module to power an electric vehicle. The power modules can be arranged or organized within the inverter module to reduce a footprint of the inverter module and reduce an inductance of the inverter module. The power modules can be arranged within the inverter module in a row like or queue like formation such that a first row of power modules is disposed along a first side of the inverter module and a second row of power modules is disposed along a second side of the inverter module. The positioning of the power modules can reduce an inductance value of the paralleled power loop formed by the multiple power modules, reducing an inductance of the inverter module.

Abstract: An aerial vehicle including a housing, an outrunner motor including a stator mechanically coupled to the housing and a rotor rotationally coupled to the stator, and a propeller removably coupled to the rotor, the propeller including a hub and a plurality of propeller blades. A rotor, a propeller including a hub and a propeller blade, a radial alignment mechanism, a rotational retention mechanism, and an axial retention mechanism.

Abstract: A vertical high-speed testing device for a spiral seal of a cone bit bearing is provided. The device includes an upper fixed plate, a liquid cylinder, a cone, a spiral sleeve, a shaft and a lower fixed plate. The spiral sleeve is in threaded connection to the cone. Both the cone and the spiral sleeve are sheathed on the shaft. Sealing threads are provided on an inner surface of the spiral sleeve, and there is a clearance between the sealing threads and the shaft. By the testing device, a spiral seal structure for a cone bit bearing is simulated, and the cone drives the spiral sleeve to rotate; and the sand draining performance of the spiral seal is tested by measuring the time required to drain sand-containing medium.

Abstract: Disclosed is a differential transimpedance amplifier (TIA). In the differential TIA, an input end of the first source follower is coupled to the first output end of a first differential amplification circuit. The output end of the first source follower is coupled to the second input end of a second differential amplification circuit with feedback and a first feedback resistor. The input end of a second source follower is coupled to the second output end of the first differential amplification circuit. The output end of the second source follower is coupled to the first input end of the second differential amplification circuit with feedback and a second feedback resistor. A photo diode and a dummy diode are coupled respectively to two input ends of the first differential amplification circuit.