Abstract: In one example, a method comprises using a first transducer, emitting a first acoustic signal representing a first code. The method further comprises using the first transducer, receiving a second acoustic signal, and converting the second acoustic signal to a sensor signal. The method further comprises computing a time-of-flight for the second acoustic signal based on a time difference between when the first transducer emits the first acoustic signal and when the first transducer receives the second acoustic signal. The method further comprises responsive to the correlation result indicating that the third acoustic signal is a reflection of a third acoustic signal emitted by a second transducer: determining a delay time between when the first transducer emits the first acoustic signal and when the second transducer emits the third acoustic signal; adjusting the time-of-flight based on the delay time; and providing a distance measurement based on the adjusted time-of-flight.

Abstract: The present disclosure relates to a scene pushing method, a scene implementing method, a scene pushing apparatus, a scene implementing apparatus, a terminal, a server, and a system. The scene pushing method is applied to a management terminal, and comprises: sending a scene query request to a cloud scene server, such that the cloud scene server queries, from a plurality of edited scenes, one or more scenes to be pushed, the edited scenes comprising scenes edited by a mobile terminal or a vehicle-mounted terminal of a first user; receiving said one or more scenes to be pushed returned by the cloud scene server; and screening said one or more scenes to be pushed to obtain a target scene, and pushing the obtained target scene to a target vehicle-mounted terminal, the target vehicle-mounted terminal comprising a vehicle-mounted terminal of a second user.

Abstract: An elevator interactive terminal and an elevator interactive system. The elevator interactive system of the present invention comprises an elevator interactive terminal, configured with a social communication media module, wherein a user is registered as a first registered user in the social communication media module; and a server coupled to a communication bus of an elevator system, configured with the social communication media module and to register an elevator as the second registered user in the social communication media module, wherein, based on the social communication media module, interactive communication is performed between the first registered user on the elevator interactive terminal corresponding to the user and the second registered user on the server corresponding to the elevator.

Abstract: Methods and compositions for treating a myelofibrosis with an agent that depletes, or inhibits proliferation of, Sox10+ glial cells in a subject and/or ErbB3+ glial cells in a subject.

Abstract: The present disclosure provides a method for predicting a water invasion frontier for a complex well in a bottom-water gas reservoir. The technical solution is as follows: with consideration of forms of different well types and a gravitational pressure drop in production, a coupled permeability of a corresponding well type acting on a gas-water interface under the action of a baffle plate is expressed by using an equivalent percolation resistance method; a productivity of each infinitesimal section of the corresponding well type is calculated; a position of the gas-water interface is calculated with an equivalent permeability and a pseudo-productivity as characteristic parameters; water breakthrough is determined when there is a point over a water avoidance height, and a change in water invasion frontier form may be expressed with water quality point position data at this time.

Abstract: A sodium alginate-gelatin based biochar multivariate composite material, a preparation method therefor and a method for removing cadmium in water body are provided and relate to the technical field of biochar adsorbent materials. The sodium alginate-gelatin based biochar multivariate composite material has a high and stable removal efficiency for cadmium divalent cation (Cd2+) in a potential of hydrogen (pH) range of 4-7 in the water body, with a maximum adsorption capacity of 86.25 (milligrams per gram) mg/g. The composite material of the disclosure has good recyclability. After five regeneration tests, the adsorption capacity of the composite material for Cd2+ can still reach 70% of the initial adsorption capacity. The preparation method of the disclosure has simple process, easy control, low manufacturing cost, and is suitable for large-scale production and application.

Abstract: A method for a removal of HA from water is provided, including using PMS as an oxidant, using VI or UV as an activation source, and adding a MIEX resin into the water for a reaction. By applying the method, irradiated by the visible light, a VI/MIEX/PMS system is coupling to strengthen adsorption process, thereby realizing a relatively high removal effect on the HA; therefore, the VI/MIEX/PMS system can be suitable for a large-scale environment performed by water treatment, and a removal efficiency thereof on HA can reach 60% or above. Moreover, irradiated by the ultraviolet light, a UV/MIEX/PMS system can be suitable for small and medium-sized environment performed by rapid water treatment, and can cope with sudden HA pollution of water source in a medium and small range, and a removal efficiency thereof on HA can reach 90% or above.

Abstract: Embodiments of the present disclosure provide a detection device for laser spot welding micro-weld spot quality based on laser ultrasound. The device includes: a nanosecond pulsed laser configured to emit a laser; the polarizing beam splitter configured to perform a laser beam splitting, wherein a laser beam after performing the laser beam splitting by the polarizing beam splitter enter an energy detector and a beam splitter mirror, respectively; the beam splitter mirror configured to perform the laser beam splitting on the laser entering the beam splitter mirror, wherein a laser beam after performing the laser beam splitting enter a photodetector and a light reflecting mirror, respectively; an aperture configured for the laser beam passing through the light reflecting mirror, the laser passing through a scanning galvanometer to reach a multi-axis displacement platform; the multi-axis displacement platform configured to place and/or move a sample.

Abstract: A sodium alginate-gelatin based biochar multivariate composite material, a preparation method therefor and a method for removing cadmium in water body are provided and relate to the technical field of biochar adsorbent materials. The sodium alginate-gelatin based biochar multivariate composite material has a high and stable removal efficiency for cadmium divalent cation (Cd2+) in a potential of hydrogen (pH) range of 4-7 in the water body, with a maximum adsorption capacity of 86.25 (milligrams per gram) mg/g. The composite material of the disclosure has good recyclability. After five regeneration tests, the adsorption capacity of the composite material for Cd2+ can still reach 70% of the initial adsorption capacity. The preparation method of the disclosure has simple process, easy control, low manufacturing cost, and is suitable for large-scale production and application.

Abstract: Disclosed are a semantic matching and retrieval method and apparatus. The semantic matching and retrieval method includes steps of obtaining both the vector representation of a query text and the vector representation of a document text; obtaining the final vector representation of the query text; obtaining the final vector representation of the document text; calculating, based on the final vector representation of the query text and the final vector representation of the document text, the similarity score between the query text and the document text; and selecting, based on the similarity scores between the query text and a plurality of document texts, a document text matching the query text from the plurality of document texts.

Abstract: A vehicle door system and a control method thereof, and a vehicle having the same. The vehicle door system comprises: a top door, the top door opening or closing a first opening of a vehicle body top portion; and a side door, the side door comprising a side door member and a side window, wherein the side door member opens or closes a second opening of a vehicle body side wall, the side window is mounted on the side door member, both a top edge and a side edge of the side window are configured to be frameless, and the side window is capable of raising or lowering relative to the side door member. When the side door body closes the second opening, the side window raises or lowers to open or close a third opening of the vehicle body side wall, wherein the third opening is located above the second opening, and the first opening, the second opening, and the third opening communicate with each other.

Abstract: Ultrasonic audio processing circuitry and a method useful in ultrasonic presence detection. An ultrasonic burst generator produces an ultrasonic burst signal at one or more ultrasonic frequencies, and an equalizer equalizes that ultrasonic burst signal according to frequency response characteristics of the speaker and microphone at those ultrasonic frequencies. Driver circuitry drives a speaker with the ultrasonic burst signal, which may be combined with an audible audio signal. An ultrasonic separation filter separates an ultrasonic portion from a signal received at a microphone, and processing circuitry is provided to determine a delay time of an echo corresponding to the ultrasonic burst signal in that separated ultrasonic portion of the received signal. In another aspect, the equalizer equalizes an ultrasonic portion of the signal received at a microphone, according to frequency response characteristics of the speaker and microphone at the ultrasonic frequencies of the burst.

Abstract: Provided herein are CRISPR/Cas9 complexes and method of using same.

Abstract: In one example, a calibration method includes receiving, from a sensor proximate a first conductor, a sensor signal representing a measurement of a magnetic field produced based on a first current flowing in the first conductor and a second current flowing in a second conductor, the first current including first and second current components having different frequencies, and the second current including third and fourth current components, the third current component phase shifted from, and having the same frequency as, the first current component and the fourth current component having a different frequency from the third current component, determining reference values of the first and second currents, and based on the sensor signal and the reference values of the first and second currents, determining for the sensor, a plurality of coupling coefficients representing magnetic field coupling between the first and second conductors.

Abstract: Disclosed is a sub-Kelvin temperature zone refrigeration mechanism. The sub-Kelvin temperature zone refrigeration mechanism includes a pulse tube refrigeration unit, first pre-cooling heat exchangers, a throttling refrigeration unit, second pre-cooling heat exchangers, an adsorption refrigeration unit, a third pre-cooling heat exchanger and a dilution refrigeration unit. The pulse tube refrigeration unit includes a pulse tube refrigeration part. The throttling refrigeration unit includes a throttling refrigeration part, and the throttling refrigeration part is connected with the adsorption refrigeration unit through the second pre-cooling heat exchangers so as to pre-cool the adsorption refrigeration unit. The adsorption refrigeration unit includes an adsorption refrigeration part, and the adsorption refrigeration part is connected with the dilution refrigeration unit through the third pre-cooling heat exchanger.

Abstract: A method and system of positive and negative sequence rotor currents control for DFIG-WTs under a single dq-PI control structure includes: adjusting the negative sequence rotor current reference according to the negative sequence stator terminal voltage to obtain a reference adjustment value; converting the reference adjustment value to the forward-rotating dq coordinate system and superimposing it with the positive sequence rotor current reference as the input of a PI-regulator-based current feedback controller to uniformly control the positive and negative sequence rotor current; determining the output voltage reference of the rotor-side converter by the PI-regulator-based current feedback controller, according to which, the switching signal of the rotor-side converter can be determined through the SPWM function, controlling the turn-on and turn-off of the bridge arms of the rotor-side converter to form the output voltage.

Abstract: In a described example, a circuit includes a sensor circuit including multiple magnetic field sensors having respective sensor outputs. The magnetic field sensors are configured to provide magnetic field sensor signals at the respective sensor outputs representative of a measure of current flow through a conductive structure. A combiner interface has combiner inputs and a combiner output. The combiner inputs are coupled to the respective sensor outputs. The combiner interface is configured to provide an aggregate sensor measurement at the combiner output responsive to the magnetic field sensor signals, in which the aggregate sensor measurement is decoupled from magnetic fields generated responsive to the current flow through the conductive structure.

Abstract: Provided are a real-time spectrum testing device for a volatile condensable material in a wide temperature range and a spectrum testing method by using the device. The device includes a testing module, a vacuum module, a temperature control module, and a spectrometer, where the testing module includes a testing cabin (5), a replaceable standard testing lens (2), and a stage (3); two infrared perspective windows (1) are symmetrically installed on two opposite side walls of the testing cabin (5); the vacuum module includes a vacuum inner cavity (8) and a vacuum system (4); the vacuum inner cavity (8) is installed in the testing cabin (5) in a thermally insulated manner and connected to the vacuum system (4); the stage (3) and the standard testing lens (2) are installed in the vacuum inner cavity (8); the temperature control module includes a refrigeration system (7) and a temperature control system (6).

Abstract: The present disclosure relates to the technical field of printer consumables, and in particular, to a communication method for a consumable chip, a consumable chip, and a consumable. The communication method for a consumable chip includes: in the process of consumable serial number authentication, performing non-AC authentication with an imaging device based on a first serial number, and performing AC authentication with the imaging device based on a second serial number. The non-AC authentication is performed on the chip by using the first serial number before the device is upgraded, such that the imaging device records the first serial number as a used chip serial number. The second serial number, which is set after the device is upgraded, is only used for AC authentication.

Abstract: A method and an apparatus for named entity recognition, and a non-transitory computer-readable recording medium are provided. In the method, text elements are traversed according to a text span to obtain candidate entity words. Then, a class to which the candidate entity word belongs is recognized. The recognizing of the class includes generating a prompt template corresponding to the candidate entity word, and concatenating the text to be recognized and the prompt template to obtain a concatenated text; generating vector representations of the text elements in the concatenated text; generating the vector representation of the candidate entity word according to the vector representations of the text elements of each candidate entity word in the concatenated text, and the vector representation of the text element of the mask word; and classifying the vector representation of the candidate entity word to obtain the class of the candidate entity word.