Abstract: Techniques for determining trajectories for a plurality of wells while avoiding collision between wells are presented. The techniques can include determining a zone of uncertainty for individual wells of the plurality of wells, determining a minimum separation factor for individual wells of the plurality of wells, determining a gradient of a separation factor for at least one pair of wells of the plurality of pairs of wells, updating a nudge position for at least one well, and providing nudge positions for the individual wells of the plurality of wells.

Abstract: The present application discloses a microbubble dispersion system stabilized with polydopamine nanoparticles for highly-efficient intravenous oxygen supply and a method for preparing the same. The method includes: dissolving dopamine, chitosan quaternary ammonium salt and amino-rich polymer in water, adjusting the pH to be alkaline, and then introducing oxygen into the solution; under the strong shear force of a homogenizer, oxygen oxidizing dopamine, and the obtained polydopamine nanoparticles adhering to the interface of oxygen microbubbles during polymerization, forming a compact shell layer of polydopamine particles; finally, adding glutaraldehyde to solidify the shell layer of polydopamine particles adhered to the interface of microbubbles, and obtaining oxygen microbubbles stably dispersed in water by filtration, washing and redispersion.

Abstract: A three-level prevention and control method for a rock burst roadway, the method comprising: pre-weakening a thick and hard rock layer above a roadway before the roadway is excavated; carrying out prestress support, pressure relief and reinforcement when the roadway is excavated; and carrying out stress transfer on an advance abutment pressure, and arranging a composite energy absorption protective structure around the roadway before the mining of a working face. By coordinating the spatio-temporal relationship between pressure relief, support and prevention, the energy dissipation in the rock burst roadway is changed from an unstable, disorderly and uncontrollable dissipation state to a stable, orderly and controllable dissipation state.

Abstract: A manufacturing method for a conductive substrate with a filtering function includes preparing a core layer and forming first and second conductive holes in the core layer, forming a sacrificial copper layer on the first conductive hole and on the core layer, forming a metal layer on the second conductive hole, forming a metal post in the first conductive hole, forming a lower insulating layer on the core layer, forming a lower insulative post in the second conductive hole, forming a magnet wrapping around the metal post to obtain a first conductive post, forming an upper insulating layer on the core layer, forming an upper insulative post in the second conductive hole to obtain a second conductive post, removing the upper insulating layer, the lower insulating layer, and the remaining sacrificial copper post layer, followed by flattening.

Abstract: Disclosed are a method and a device for identifying full-section excavation parameters of large-section tunnel with broken surrounding rock, which is capable of solving the problem of inaccurate arrangement of blasting hole points in tunnel excavation engineering, including following steps: establishing a three-dimensional finite element model based on a blasting section design of a tunnel; performing a simulation with the three-dimensional finite element model based on blasting design parameters to obtain blasting quality parameters; selecting a group closest to a preset quality parameter from multiple groups of the blasting design parameters as target blasting design parameters, wherein the preset quality parameter is an acceptance grade standard of the tunnel; obtaining first thermal imaging information of a first hot spot of a surface to be blasted; calibrating actual hole spacing parameters based on the first thermal imaging information and the target blasting design parameters.

Abstract: A three-dimensional (3D) information measurement apparatus includes: a light source module, an event awareness module, and a processing module. The light source module is configured to project at least two speckle images onto a target object, and measurement depths corresponding to any two of the at least two speckle images are different. The event awareness module is configured to collect speckle images obtained through reflection of the at least two speckle images by the target object, to obtain a plurality of event images. The processing module is configured to determine 3D information of the target object based on the plurality of event images.

Abstract: Provided are an encoding method and apparatus for an RAID6 disk array, a decoding method and apparatus for an RAID6 disk array, and a medium. The encoding method comprises: dividing all disks in a RAID6 disk array into two groups to obtain a first disk group and a second disk group; pairing all stripes of the RAID6 disk array to obtain several stripe pairs; and calculating two parity codes of each strip in the several stripe pairs according to a first rule and a second rule.

Abstract: A material composition to prepare a polymer electrolyte precursor composition capable to form a solid polymer electrolyte, which has: A) a comb-branched polymer with pendant functional groups; B)surface-modified silica particles; and C) a polymerizable solvent or a crosslinker; wherein the silica particles are capable to be dispersed in the polymerizable solvent or a non-polymerizable volatile organic solvent and form a colloidal silica dispersion can be made. The material composition can be used in preparation of a solid polymer electrolyte in a lithium ion battery to improve performance, a polymer electrolyte precursor composition, a preparation method of a solid polymer electrolyte, a method to prepare a lithium ion battery, a solid polymer electrolyte, an electrochemical device and a device.

Abstract: A monomer composition is made, particularly to prepare a polymer electrolyte precursor composition capable of forming a solid polymer electrolyte. The monomer composition includes A) an alkylene oxide-based monomer and B) a siloxane monomer. A copolymer electrolyte precursor composition is made for preparation of a solid polymer electrolyte. A polymerization method prepares solid copolymer electrolyte. A copolymer, a solid copolymer electrolyte, and a solid-state lithium secondary battery are made. A method to prepare a solid-state lithium secondary battery is developed, and another method improves electrolyte mechanical property, ionic conductivity, and/or cycling performance in a lithium secondary battery by preparing a solid polymer electrolyte the monomer. An electrochemical device and a device are also provided.

Abstract: A method can include receiving input for a multiwell pad; selecting, based at least in part on a portion of the input, a template for the multiwell pad; generating, based at least in part on the template, well trajectories for the multiwell pad, where each of the well trajectories extends from a surface location of the multiwell pad to one or more reservoir target locations and where each of the well trajectories includes at least one curve generated using one or more dogleg severity values and one or more geometric control points that are not required to lie on one or more of the well trajectories; and outputting specifications for the generated trajectories of the multiwell pad.

Abstract: Disclosed are a data migration method, system and device for a storage server, and a non-transitory readable storage medium. The method includes: according to storage information of a storage server, determining the number n of strips to be migrated; selecting n stripes to be migrated from among c full stripes according to a preset migration rule, and selecting, from the n stripes to be migrated, data blocks to be migrated and migrating the data blocks to the newly inserted disks, so that after the migration is completed, the difference in stripe usage between any two disks in the storage server does not exceed 1; and determining data content of check data blocks of the strips so as to complete data migration of the storage server, and determining data content of check data blocks of the c-n strips by means of incremental update of an erasure code.

Abstract: The invention features devices and kits for capturing and culturing microorganisms (e.g., bacteria, fungi, or protists) and methods of using the devices and kits to detect microorganisms in environmental and other samples. The device includes a nutrient media having a flat growth area on which microorganisms can grow. Samples are collected by contacting the device with any environmental sample, e.g., rolling device on a work surface or exposing device to air, or by filtering a sample through a membrane. Microorganisms deposited on the membrane derive nutrients from the underlying media and grow into colonies that can then be detected using methods known in the art. The detected colonies can be imaged digitally or with film.

Abstract: Equipment for self-positioning handling of aluminum profiles for rail vehicle, including a handling and lifting mechanism, a steel beam fixed on and being driven to lift by the mechanism, 2-DOF spatial mechanisms fixed on the steel beam and mechanical clamping jaws fixed on a clamping jaw connecting seat; the 2-DOF spatial mechanisms includes a cylinder supporting seat, four connecting members on an outer ring of the cylinder supporting seat hinged respectively to four first connecting rods; wherein, two of the first rods are hinged to first ends of two ball joint connecting rods of which second ends are hinged to the clamping jaw connecting seat; the other two first rods are hinged to first ends of two second connecting rods of which second ends are hinged to the clamping jaw connecting seat; a piston rod of a cylinder center of the cylinder supporting seat driving the clamping jaw connecting seat.

Abstract: An organophosphorus compound has a structure represented by the general formula (I): The functional groups are defined in the description. The organophosphorus compound has prominent bearing capacity and excellent antiwear and antifriction performances, and can be used as an extreme pressure antiwear additive and used in lubricating oil and lubricating grease.

Abstract: A lighting apparatus includes a first LED module, a second LED module, a rectifier, a power circuit, a time detector, a wall switch circuit and a controller. The first LED module has a first light parameter. The second LED module has a second light parameter. The first light parameter is different from the second light parameter. The power circuit converts the DC power to a first driving current and a second driving current respectively supplied to the first LED module and the second LED module. The time detector detects a voltage time variation of the DC power. The controller is coupled to the wall switch circuit and the time detector for determining whether to adjust a current ratio between the first driving current and the second driving current according both the voltage time variation and the control signal.

Abstract: The present invention provides a sulfur-free and phosphorus-free organoboron compound, and preparation method thereof and use thereof. The organoboron compound of the present invention has a structure as shown in formula (I): The definition of each group can be found in the specification. The organoboron compound of the present invention has excellent antioxidant properties and anti-wear and friction-reducing properties.

Abstract: A lighting apparatus includes a first LED module, a second LED module, a rectifier, a power circuit, a time detector, a wall switch circuit and a controller. The first LED module has a first light parameter. The second LED module has a second light parameter. The first light parameter is different from the second light parameter. The power circuit converts the DC power to a first driving current and a second driving current respectively supplied to the first LED module and the second LED module. The time detector detects a voltage time variation of the DC power. The controller is coupled to the wall switch circuit and the time detector for determining whether to adjust a current ratio between the first driving current and the second driving current according both the voltage time variation and the control signal.

Abstract: A system detects a transaction outcome by obtaining video data associated with a transaction area and analyzing the video data to obtain at least one video transaction parameter concerning transactions associated with the transaction area. The transaction area can be a video count of items indicated in the video data as detected by an automated item detection algorithm applied to the video data. The system obtains at least one expected transaction parameter concerning an expected transaction that occurs in the transaction area, such as a scan count of items scanned at a point of sale terminal. The system automatically compares the video transaction parameter(s) to the expected transaction parameter(s) to identify a transaction outcome that may indicate fraudulent activity such as sweethearting in a retail environment.

Abstract: This application provides a wireless charging transmitting apparatus, a wireless charging receiving apparatus, and a system thereof. The wireless charging transmitting apparatus includes an inverter circuit, a first transmitting plate, and a second transmitting plate. The wireless charging receiving apparatus includes a first receiving plate, a second receiving plate, and a rectifier circuit. An input end of the inverter circuit is connected to a direct current power supply, a first output end of the inverter circuit is connected to the first transmitting plate, and a second output end of the inverter circuit is connected to the second transmitting plate. A first contact is disposed on the first transmitting plate, and a second contact is disposed on the first receiving plate. When the first contact is in contact with the second contact, the first transmitting plate establishes an electrical connection to the first receiving plate.