Abstract: A computer-implemented method for initiating conversations within an online dating service may include identifying a potential match for a user of an online dating service, automatically generating, in response to identifying the potential match, a customized interactive ice breaker widget that is customized to facilitate conversation between the user and the potential match, presenting the customized interactive ice breaker widget to the user, obtaining the user's response to the customized interactive ice breaker widget, and presenting, to the potential match, both the customized interactive ice breaker widget and the user's response to the customized interactive ice breaker widget to facilitate conversation between the user and the potential match. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A sensor, a manufacturing method thereof, a panel, and a recognition device are provided. The sensor comprises a substrate, a first electrode layer on the substrate, a second electrode layer on a side of the first electrode layer away from the substrate, and a piezoelectric layer between the first electrode layer and the second electrode layer. An orthographic projection of a top surface of the piezoelectric layer facing away from the first electrode layer on the substrate covers an orthographic projection of a bottom surface thereof facing the first electrode layer on the substrate.

Abstract: The present disclosure relates to methods of plugging a wellbore or formation in a subterranean environment, and systems for the practice thereof. Benefits of the methods disclosed herein can include providing the use of versatile aqueous polymer solutions that can penetrate into wellbores and deep into subterranean formations, while forming strong sealant materials effective at formation temperatures and pressures, and at various distances from a wellbore in a formation.

Abstract: A method includes modulating a digital signal via pulse amplitude modulation (PAM) and applying Nyquist shaping to the digital signal to generate a filtered digital signal. The method also includes converting the filtered digital signal into an analog signal and transmitting the analog signal in an optical communication channel via a dense wavelength division multiplexing (DWDM) scheme.

Abstract: The invention discloses a method for simulating the discontinuity of the hydraulic fracture wall in fractured reservoirs, comprising the following steps: establish a physical model of the natural fracture; establish a hydraulic fracture propagation calculation equation; establish a natural fracture failure model, calculate the natural fracture aperture, and then calculate the natural fracture permeability, and finally convert the natural fracture permeability into the permeability of the porous medium; couple the hydraulic fracture propagation calculation equation with the permeability of the porous medium through the fracture propagation criterion and the fluid loss to obtain a pore elastic model of the coupled natural fracture considering the influence of the natural fracture; work out the stress and displacement distribution of the hydraulic fracture wall with the pore elastic model of the coupled natural fracture, and analyze the offset and discontinuity of the hydraulic fracture wall according to the dis

Abstract: A fast charging method for a parallel battery pack is provided, including: obtaining a maximum charging current allowed by a charging trunk and a charging current required for charging a parallel battery pack; comparing the charging current required for charging the parallel battery pack with the maximum charging current allowed by the charging trunk; if the charging current required for charging the parallel battery pack is less than or equal to the maximum charging current allowed by the charging trunk, performing parallel charging on battery units; or if the charging current required for charging the parallel battery pack is greater than the maximum charging current allowed by the charging trunk, changing some or all of battery units in the parallel battery pack to a series connection, and performing series charging on the battery units. The fast charging method for a parallel battery pack can effectively shorten a charging time.

Abstract: A dielectric resonator, a dielectric filter using the dielectric resonator, a transceiver, and a base station. The dielectric filter includes a body made of a solid-state dielectric material, where a plurality of indentations are disposed at a first surface of the body and where at least one of a hole or a groove is disposed between adjacent indentations of the plurality of indentations, and a conducting layer, wherein the first surface and other surfaces of the body, surfaces of the plurality of the indentations, and an interior of the at least one of the hole or the groove are covered with the conducting layer.

Abstract: A special-purpose die for shaping an aluminum-magnesium alloy by rotating extrusion is provided, including a male die and a female die, wherein a trapezoidally-sectioned groove is formed at an end portion of a working area of the male die, an inner portion of the male die is hollow, with the hollow inner portion having sections of equal area, a circumferential wall of a die cavity of the female die is provided with at least two symmetrical axial grooves, and a cavity is formed inside a clamping part of the female die. The present disclosure remarkably reduces the axial extrusion force such that the deformation of the formed workpiece is more uniform, which greatly improves the mechanical property of the formed workpiece.

Abstract: The invention discloses a method for predicting the optimal shut-in duration by coupling fluid flow and geological stress, comprising the following steps: determine basic parameters; obtain the fracture length, fracture width and reservoir stress distribution based on the basic parameters; calculate the oil saturation, pore pressure, and permeability and porosity after coupling change in different shut-in durations on the basis of the principle of fluid-solid coupling; take the oil saturation, pore pressure, and permeability and porosity obtained in Step 3 as initial parameters and calculate the production corresponding to different shut-in time on the basis of the productivity model; finally select the optimal shut-in time based on the principle of fastest cost recovery. The present invention can accurately predict the optimal shut-in duration after fracturing to improve the oil and gas recovery ratio in tight oil and gas reservoirs with difficulty in development and low recovery.

Abstract: The invention discloses a testing device and method for simulating the flowback in the shut-in period of fractured wells, comprising a fracturing fluid tank, a flowback fracturing fluid tank, a hydraulic fracturing pump, a flowback fluid collection beaker, and a shut-in flowback testing system; the shut-in flowback testing system is composed of a box body and an acoustic wave testing device, a temperature control device, a fracturing string and a square rock block arranged in the box body; a stress loading plate and a hydraulic block are successively arranged between the four surfaces of the square rock block and the inner walls of the box body; the acoustic wave testing device consists of an acoustic wave transmitting probe and an acoustic wave receiving probe; the four outer surfaces of the box body are provided with hydraulic tanks.

Abstract: The present disclosure discloses an experimental apparatus and method for simulating transport of a sand-carrying fluid in a fracturing fracture. The apparatus may include a spiral proppant transport device, a stirred tank, a screw pump, a liquid transport pump, a pressure gauge, a proppant transport and distribution system, a cyclone desander, a waste liquid recycle container, a proppant recycle container, and a fracturing fluid tank. The spiral proppant transport device may be communicated with the stirred tank. The waste liquid recycle container and the fracturing fluid tank may be communicated with the stirred tank via the liquid transport pump. A bottom end of the stirred tank may be communicated with the proppant transport and distribution system through the screw pump. It is possible to simulate the sand-carrying fluid paved under a closure pressure by setting a computer to precisely control a transparent cuboid fracture member including hydraulic tanks.

Abstract: Systems and methods for scanning signatures in a string field. In one implementation, the invention provides a method for signature scanning. The method includes receiving a particular string field, scanning the particular string field for a plurality of signatures using a larger scan step size, scanning the particular string field for the remaining signatures that are shorter than what can be scanned by the larger scan step size separately either using the same scanning method but a smaller scan step size or using a different scan method and the same or a smaller scan step size, and outputting any identified signatures in the particular string field.

Abstract: The present invention provides a compound represented by formula (I), or a pharmaceutically acceptable salt, a solvate, an ester, an acid, a metabolite or a prodrug thereof. The compound itself in the present invention or in combination with at least one therapeutic agent can be used for preventing or treating diseases, disorders or symptoms caused by the adjustment of the activity of tyrosine kinase C-KIT, or affected by the activity of the tyrosine kinase C-KIT or involving in the activity of the tyrosine kinase C-KIT, especially cancers or other cell proliferation diseases.

Abstract: A potting box for assembling a transformer comprises an inner wall and an outer wall. The inner wall is sleeved in the outer wall. A bottom plate connected to a bottom portion of the inner wall and a bottom portion of the outer wall to form a potting space for accommodating a first winding and a second winding. An inner side of the outer wall comprises a first support portion for supporting the first winding and an outer side of the inner wall comprises a second support portion for supporting the second winding. An iron core of the transformer penetrates through an inner side of the inner wall.

Abstract: A transformer comprises at least two windings and each of the at least two windings includes at least one lead-out wire, and a silicone rubber heat-shrinkable sleeve is wrapped around the outer surface of the lead-out wire. The at least two windings and a portion of the silicone rubber heat-shrinkable sleeve are encapsulated in a potting box with a first potting sealant, and another portion of the silicone rubber heat-shrinkable sleeve is exposed outside of the potting box.

Abstract: The disclosure discloses a method for preparing a high-reflection solar cell backsheet film, which uses a twin-screw extruder to prepare a masterbatch of an adhesive layer, a masterbatch of a barrier layer, and a masterbatch of a high-reflection layer, and then uses four single-screw extruders to melt the three masterbatches at 250° C. and extrude through a lip film of a casting head. A non-woven fabric is added as a base layer between the two barrier layers, so that the two barrier layers are extruded through the lip film and integrally formed on surfaces of the non-woven fabric. After being cooled to room temperature by a cooling roller, a highly reflective solar cell backsheet is obtained.

Abstract: A non-replicating recombinant adeno-associated associated virus (rAAV) having an AAV capsid having packaged therein a vector genome which comprises AAV inverted terminal repeat sequences and at least one nucleic acid sequence encoding four different immunoglobulin regions (a), (b), (c) and (d) is provided. The rAAV-expressed immunoglobulins are useful for providing passive immunization against influenza A and influenza B. Also described herein are compositions containing the rAAV. Methods of vaccinating patients against influenza are provided.

Abstract: A shifter assembly having a housing supporting a detent locking wheel with a biasing return spring. A plunger housing subassembly is rotatably supported within the locking wheel and operating in response to an external input to be rotated between each of Park, Reverse, Neutral and Drive gear shift positions. An electric motor is supported by the housing and is linked to a lock lever, an extending portion of the lock lever engaging the locking wheel. A PCB board is integrated into the housing and is communicable with at least one external sensor associated with a driver exit condition. Upon a triggering of the exit condition with the shifter in other than a Park position, the motor being energized to retract the lock lever to permit the return spring to rotate the wheel to the Park position.

Abstract: A physical simulation and calibration device and method for formation pressure testing. The device has a rock core arranged in a rock core clamper, a confining pressure simulation module, formation pressure simulation module, annular pressure simulation module, suction system, thrust force simulation module and drive control system. The thrust force simulation module has a thrust rod which penetrates through a cavity wall on one side of the clamper. The front end of the thrust rod has a simulation probe. The suction system is connected to the thrust rod. The confining pressure simulation module, formation pressure simulation module, annular pressure simulation module, thrust force simulation module and suction system are all connected with the drive control system. The device and method simulate a physical environment of formation pressure testing to achieve physical simulation of formation pressure testing. A formation pressure tester can be corrected and calibrated.