Abstract: Disclosed are methods for improving compound detection and characterization. Methods for characterizing a sample are disclosed. The methods can include providing a sample to a liquid chromatography system capable of sample separation to generate sample components; analyzing sample components by multiplexed targeted selected ion monitoring (SIM) to generate an inclusion list; and performing iterative mass spectral data-dependent acquisition (DDA) from the inclusion list, to identify individual sample components thereby characterizing the sample. In one example, multiplexed targeted SIMs and iterative MS2 DDA acquisition is used to increase robust compound identification for cell culture medium analysis.

Abstract: A method for regulating an unmanned aerial vehicle (UAV) includes receiving a UAV identifier and one or more types of contextual information broadcasted by the UAV. The UAV identifier uniquely identifies the UAV from other UAVs. The one or more types of contextual information includes at least geographical information of the UAV. The method further includes authenticating, via an authentication device, an identity of the UAV based on the UAV identifier to determine whether the UAV is authorized for operation, and transmitting a signal to a remote device in response to determining whether the UAV is authorized for operation.

Abstract: An ultrahigh-pressure acid-fracturing isodiametric hose assembly, comprising a hose body and a metal joint. The metal joint comprises an inner tube, a first outer tube the inner tube, and a second outer tube. The first outer tube and the second outer tube each is an independent pressing part. An external groove is provided at an outer wall of the inner tube. An end of the first outer tube comprises an internal ridge which matches the external groove for snapping. The terminal of the inner tube comprises a connecting portion. An outer wall of the inner tube comprises a first protrusion, and an inner wall of the first outer tube comprises a second protrusion engaging with the first protrusion. The hose body is clamped between the first protrusion and the second protrusion that are engaged. An inner wall of the second outer tube comprises multiple micro-protrusions.

Abstract: A crossbar circuit including a crossbar array and a periphery circuit is provided. A resistive random-access memory (RRAM) device of the crossbar array includes a bottom electrode fabricated on a first interconnect layer; a top electrode; and a filament-forming layer fabricated between the bottom electrode and the top electrode. A portion of the filament-forming layer and a portion of the top electrode are fabricated in a via in a first etch stop layer. The crossbar circuit further includes a second etch stop layer fabricated on the top electrode and a dielectric layer fabricated on the second etch stop layer. The top electrode is connected to a first metal via of a second interconnect layer fabricated in the second etch stop layer and the dielectric layer. The periphery circuit includes a metal via of the second interconnect layer that is fabricated in the dielectric layer and the first etch stop layer.

Abstract: The present disclosure provides a multi-factor quantitative analysis method for deformation of a neighborhood tunnel. The method includes the following steps: analyzing monitoring data generated at a tunnel site; simulating collapse occurring at a shallow buried section of a tunnel; determining the degree of influence of each factor on the tunnel and a stratum; and determining quantitative influence of each factor on tunnel deformation. The present disclosure can not only provide an accurate theoretical basis for the construction of the shallow buried section of the small-distance tunnel, but also guarantee safety and cost saving during tunnel construction.

Abstract: Disclosed are a temporary plugging agent and a preparation method thereof, and a method for temporary plugging and fracturing of a high-temperature reservoir. The temporary plugging agent includes the following components in mass fractions: acrylamide 5%, composite crosslinking agent 1%, laponite 1%, ammonium persulfate 0.1% and water 92.9%.

Abstract: The present disclosure relates to the field of EV-DWPT (electric vehicle dynamic wireless power transfer), and specifically discloses a double solenoid EV-DWPT system and a parameter optimization method thereof. The system is provided with a magnetic coupling mechanism, comprising a transmitting structure and a receiving structure. The transmitting structure includes a plurality of double solenoid transmitting rails arranged equidistantly along a road direction. Each double solenoid transmitting rail includes a square tubular magnetic core perpendicular to the road surface, and transmitting solenoids wound spirally using one and the same Litz wire wound in opposite directions.

Abstract: A mixing device includes a conveying part, a discharging pipe and a detecting part. The conveying part is internally provided with a plurality of conveying channels, and the plurality of conveying channels are used for correspondingly conveying various materials. The discharging pipe is internally provided with a mixing channel and connected to the conveying part, and each of the conveying channels communicates with the mixing channel. The detecting part is used for detecting a color of the mixed material obtained after the various materials are mixed in the mixing channel.

Abstract: This application provides a battery and an electric device. The battery provided in this application is provided with a blocking member between two adjacent rows of battery cells along the length direction of the battery cell. In the process of assembling the battery cells in the box, the adhesive at the bottom of the battery cell, when spreading under compressing from the gap created by the housing chamfers to the end cover, will be blocked by the blocking member, thus preventing the adhesive from overflowing to the end cover, improving the safety performance of the battery.

Abstract: A damping ratio measuring device for consolidation equipment includes a bracket, a consolidation pressure device and a sleeve. The consolidation pressure device is set at the top of the bracket, and the output direction of the consolidation pressure device is directly below. The bottom of the consolidation pressure device is connected with a pressurized piston. A displacement sensor is set on the pressurized piston. The sleeve is set directly below the consolidation pressure device, the pressurized piston extends from the top of the sleeve, the diameter of the pressurized piston is the same as the inner diameter of the sleeve, the bottom of the sleeve is sealed with a support plate, and there are two bending element sensors at the top of the support plate and the bottom of the pressurized piston.

Abstract: An epitaxial structure adapted to a semiconductor pickup element is provided. The semiconductor pickup element has at least one guiding structure and provided with a pickup portion. The epitaxial structure includes a semiconductor layer corresponding to the pickup portion and capable of being picked up by the semiconductor pickup element. The epitaxial structure also includes at least one alignment structure disposed on the semiconductor layer and corresponding to the at least one guiding structure, so that the epitaxial structure and the semiconductor pickup element are positioned relative to each other. The number of the at least one alignment structure matches the number of the at least one guiding structure.

Abstract: The application relates to a method for antenna port indication. A terminal receives information indicating an antenna port set of a pilot from a base station. The antenna port set is used for a resource block (RB) set and the pilot is used for data demodulation. The terminal determines the antenna port set based on the received information. By implementing the solution in the application, transmission resource utilization is improved.

Abstract: The present invention discloses a Nb and Al-containing titanium-copper alloy strip, characterized in that the weight percentage composition of the titanium-copper alloy strip comprises: 2.00-4.50 wt % Ti, 0.005-0.4 wt % Nb, and 0.01-0.5 wt % Al, balance being Cu and unavoidable impurities. Preferably, in the microstructure of the titanium-copper alloy strip, the number of Nb and Al-containing intermetallic compound particles with a particle size of 50-500 nm is not less than 1×105/mm2, and the number of Nb and Al-containing intermetallic compound particles with a particle size greater than 1 ?m is not more than 1×103/mm2. Under the condition of ensuring excellent bendability, the titanium-copper alloy strip has excellent stability, especially the stability of mechanical properties at high temperatures. The present invention also relates to a method for producing the titanium-copper alloy strip.

Abstract: An ethylene copolymer and a method for preparing same, and a composition, crosslinked polymer, and tire containing said ethylene copolymer are provided. The ethylene copolymer contains an ethylene structural unit derived from ethylene and a conjugated diene structural unit derived from a conjugated diene. Taking the total amount of said ethylene copolymer as the reference, the content of said conjugated diene structural unit is 25-45 mol %. The conjugated diene is formed by 1,2-polymerization and the content of 1,2-polymeric vinyl structural units having side chain double bonds is 20-40 mol %. Taking the total number of conjugated diene structural units in the ethylene copolymer as the reference. The total amount of said 1,2-polymeric structural units is 95 mol % or more, and the ethylene copolymer has a weight average molecular weight of 20,000 to 300,000.

Abstract: The subject matter described in this specification is generally directed control architectures for an autonomous vehicle. In one example, a reference trajectory, a set of lateral constraints, and a set of speed constraints are received using a control circuit. The control circuit determines a set of steering commands based at least in part on the reference trajectory and the set of lateral constraints and a set of speed commands based at least in part on the set of speed constraints. The vehicle is navigated, using the control circuit, according to the set of steering commands and the set of speed commands.

Abstract: A clustered storage system includes a plurality of storage devices, each of which contributes a portion of its memory to form a global cache of the clustered storage system that is accessible by the plurality of storage devices. Cache metadata for accessing the global cache may be organized in a multi-layered structure. In one embodiment, multi-layered structure has a first layer first including a first address array, and the first address array include addresses pointing to a plurality of second address arrays in a second layer. Each second address array in the second layer includes addresses, each of which points to data that has been cached in the global cache.

Abstract: In some implementations, a storage node receives data processing instructions from a compute node of a network architecture. The storage node detects a Directed Acyclic Graph (DAG) within the data processing instructions. The DAG includes a plurality of data processing operations arranged within the DAG according to an execution. The data processing operations further include user-defined function (UDF) information associated with a UDF. The storage node may retrieve a first data object from an object store of the distributed storage node based on object keys information within the plurality of data processing operations. The storage node may execute the plurality of data processing operations using the retrieved first data object to generate a DAG execution result, the executing of the plurality of data processing operations based on the execution order. The storage node may communicate the DAG execution result to the compute node in response to the data processing instructions.

Abstract: A computer implemented method comprises accessing data stored in memory of the computer system, wherein the memory includes a faster access storage medium and a slower access storage medium; determining respective exponential moving averages of a number of access operations performed on respective memory locations of the memory; and transferring a portion of the data into the faster access storage medium and transferring a portion of the data into the slower access storage medium according to the determined exponential moving average.

Abstract: A method comprising instantiating virtual routers (VRs) at each of a set of nodes that form a network. Each VR is coupled to the network and to a tenant of the node. The network comprises virtual links in an overlay network provisioned over an underlay network including servers of a public network. The method comprises configuring at least one VR to include a feedback control system comprising at least one objective function that characterizes the network. The method comprises configuring the VR to receive link state data of a set of virtual links of the virtual links, and control routing of a tenant traffic flow of each tenant according to a best route of the network determined by the at least one objective function using the link state data.

Abstract: The subject matter described in this specification is generally directed control architectures for an autonomous vehicle. In one example, a reference trajectory, a set of lateral constraints, and a set of speed constraints are received using a control circuit. The control circuit determines a set of steering commands based at least in part on the reference trajectory and the set of lateral constraints and a set of speed commands based at least in part on the set of speed constraints. The vehicle is navigated, using the control circuit, according to the set of steering commands and the set of speed commands.