Abstract: A high-temperature-resistant and high-stability ion sieve and a preparation method and application thereof are provided. Based on a molar percentage of each oxide in the ion sieve, a composition of the ion sieve includes: SiO2: 46-60 mol %, Al2O3: 3-16 mol %, Y2O3: 0-3 mol %, and R2O: 33-45 mol %, where R2O is an alkali metal oxide; and the ion sieve satisfies: SQ3/SQ2 is not lower than 1.

Abstract: The present disclosure provides an underwater detection method for contact leakage of a tunnel joint of a dam culvert, including: obtaining an underwater image sequence of the culvert by an underwater robot; preprocessing and registering the underwater image sequence; extracting particle information appearing in the underwater image sequence based on the registered underwater image sequence; constructing a three-dimensional fluid velocity distribution map based on the particle information, and determining leakage situation according to the three-dimensional fluid velocity distribution map; and superimposing the three-dimensional fluid velocity distribution map on a preconfigured three-dimensional culvert model, and rendering and displaying it.

Abstract: According to one embodiment, a method, computer system, and computer program product for pollen prediction is provided. The present invention may include identifying, by a classification model, plant species within a plurality of locatable images taken at a plurality of locations; creating growth cycle prediction models for the plant species; modelling pollen count mappings for the plant species; predicting pollen yields at the locations for the plant species based on the growth cycle prediction models and the pollen count mappings; and calculating a pollen distribution at the locations based on the predicted pollen yields and aerodynamic models.

Abstract: Method and apparatus for video processing. A plurality of videos are accessed. An index is generated based on one or more key frames and one or more video features extracted from the plurality of video. A user input is processed to identify user intentions. The index is filtered to identify a plurality of candidate key frames based on the user intentions. A recommended video is generated based on the plurality of candidate key frames, further comprising selecting one or more additional frames based on processing the plurality of candidate key frames using one or more clustering operations, and aggregating the plurality of candidate key frames and the one or more additional frames.

Abstract: The present application discloses a strengthened microcrystalline glass having a high scratch resistance comprising a compressive stress layer and a tensile stress layer. The glass has a main crystalline phase of (Zn, Mg)Al2O4 and comprises Na2O. It has a surface K2O concentration of ?7.00 wt %. Along the thickness direction of the glass, the glass has a depth of ?0.07 t, preferably 0.07 t to 0.10 t, which is from any surface of the glass to a location close to that surface and having the same potassium (K) concentration as that at the center of the glass, wherein t is the thickness of the glass. The strengthened microcrystalline glass has an excellent scratch resistance comparable to that of sapphire glass.

Abstract: A core-shell gradient ternary precursor and a preparation method and application thereof. The preparation method includes (1) mixing a terephthalic acid solution with alkaline liquor to obtain a terephthalic acid salt solution, adding a nickel source solution for a reaction to obtain a Ni-MOF solution, mixing the Ni-MOF solution with ammonia water, and adjusting a pH value to obtain a base solution; and (2) adding a nickel-cobalt-manganese ternary mixed salt solution, a liquid alkali solution, and an ammonia-water solution simultaneously to the base solution obtained in step (1) for a co-precipitation reaction, and obtaining the core-shell gradient ternary precursor after aging treatment. The Ni-MOF is pre-prepared and used as a core for the co-precipitation reaction, to obtain the core-shell like precursor with a gradient. Carbon in the core of the core-shell gradient ternary precursor reacts with oxygen, thereby reducing a nickel oxidation state on particle surfaces and reducing crack generation.

Abstract: An embodiment for detecting anomalous data using dependency modeling. The embodiment may, within a target data environment, identify references between data contained in one or more data files. The embodiment may determine dependency relationships between data fields in the data contained in the one or more data files. The embodiment may construct computational graphs depicting the determined dependency relationships as series of related data fields. The embodiment may identify a series of associated computational graphs within the constructed computational graphs. The embodiment may calculate abnormality degree values for each of the data fields within the constructed computation graphs. The embodiment may, in response to detecting an anomalous data field having a calculated abnormality degree value above a threshold value, calculating contribution values for a series of associated component data fields to identify a root cause for the detected anomalous data field.

Abstract: The present disclosure discloses a high precision channel flow measurement device and method based on a principle of multi-point head loss. A flow velocity of a designated position is acquired by using a flow measurement tube; the flow measurement tube is moved in a vertical direction through a convex sliding block and a motion guide pillar to measure the flow velocity at different measurement points on a measurement line; an overall flow measurement part is integrally ascended, that is, the motion guide pillar leaves a water body, in combination with a load bearing telescopic lifting frame; the overall flow measurement part integrally moves left and right in a longitudinal direction through a telescopic guide rod to reach a set position; the overall flow measurement part is integrally descended through the load bearing telescopic lifting frame, that is, the motion guide pillar enters the water body to acquire the flow velocity.

Abstract: An embodiment for detecting anomalous data using dependency modeling. The embodiment may, within a target data environment, identify references between data contained in one or more data files. The embodiment may determine dependency relationships between data fields in the data contained in the one or more data files. The embodiment may construct computational graphs depicting the determined dependency relationships as series of related data fields. The embodiment may identify a series of associated computational graphs within the constructed computational graphs. The embodiment may calculate abnormality degree values for each of the data fields within the constructed computation graphs. The embodiment may, in response to detecting an anomalous data field having a calculated abnormality degree value above a threshold value, calculating contribution values for a series of associated component data fields to identify a root cause for the detected anomalous data field.

Abstract: The present disclosure provides an underwater detection method for contact leakage of a tunnel joint of a dam culvert, including: obtaining an underwater image sequence of the culvert by an underwater robot; preprocessing and registering the underwater image sequence; extracting particle information appearing in the underwater image sequence based on the registered underwater image sequence; constructing a three-dimensional fluid velocity distribution map based on the particle information, and determining leakage situation according to the three-dimensional fluid velocity distribution map; and superimposing the three-dimensional fluid velocity distribution map on a preconfigured three-dimensional culvert model, and rendering and displaying it.

Abstract: An electrical signal transmission method applied to an electrical signal transmission system includes first transmission interfaces and second transmission interface(s). Electrical signal transmission modes of the electrical signal transmission system include: a first transmission mode used for controlling a total transmission power of the first transmission interfaces and the second transmission interface(s) to be less than or equal to a first preset power, and a second transmission mode used for controlling a maximum transmission power of a second transmission interface to be the first preset power. The electrical signal transmission method includes: determining whether the first transmission mode is turned on; if yes, making the total transmission power of the first transmission interfaces and the second transmission interface(s) less than or equal to the first preset power; and if no, making the maximum transmission power of the second transmission interface be a second preset power.

Abstract: This disclosure provides a solid-state LiDAR and a method for controlling a solid-state LiDAR. The solid-state LiDAR includes: an emitter module and a receiver module, where the emitter module can emit a detection signal, and includes multiple light-emitter units; and the receiver module can receive an echo signal of the detection signal reflected by an obstacle, and includes multiple groups of detectors; and where an emitting sub-field of view corresponding to each light-emitter unit is coincident with a receiving sub-field of view corresponding to at least one group of detectors, and an angular range of the emitting sub-field of view corresponding to each light-emitter unit is greater than an angular range of the receiving sub-field of view corresponding to a coincident group of detectors.

Abstract: One or more systems, devices, computer program products and/or computer-implemented methods provided herein facilitate generation of an essentialized document that aids a technician in solving a problem with an asset. In an embodiment, the essentialized document is customizable based on technician skill. In another embodiment, the essentialized document is customizable based on the asset and asset components at issue.

Abstract: A computer hardware system includes a video analyzer configured to assist in a presentation of at least a portion of a video to a plurality of participants by a presenter on a presenter client and a hardware processor configured to perform the following executable operations. The video is analyzed to generate a plurality of segments. Presenter data is captured during the presentation, and presenter intent is determined based upon the presenter data. Based upon the presenter intent, forward-looking controls are presented only to the presenter client. One of the plurality of segments is identified using at least one of the presenter intent and the forward-looking controls. The identified one segment is presented to the plurality of participants.

Abstract: A magnetically-isolated wireless charging assembly enabling temporary attachment by magnetism to a device requiring charge by induction includes a housing defining an accommodating space, a plurality of magnetic members disposed within the accommodating space, a wireless charging receiver covering the plurality of magnetic members, and a wireless charging receiver. The wireless charging receiver is disposed on a side of the magnetic shielding member facing the plurality of magnetic members and the magnetic shielding member prevents the magnetic field of the magnetic members extending through or beyond the shielding member.

Abstract: A method for cleaning membrane is provided. The method includes, providing a membrane, introducing a thermo-sensitive ionic liquid to contact the membrane and perform a cleaning procedure to collect a cleaning solution, and layering the cleaning solution to form an aqueous layer and an ionic liquid layer at a specific temperature.

Abstract: A data redistribution method, apparatus and a database cluster includes at least one first node, and an original table is stored on the at least one first node. A data redistribution process for redistributing the original table to the at least one first node and a second node is started, and the data redistribution process includes: starting a first transaction for creating a temporary table on the at least one first node and the second node, and associating an import operation for the original table with an import operation for the temporary table; starting a second transaction for selecting an old tuple from the original table based on a transaction identifier of the first transaction, and redistribute the selected old tuple to the temporary table. After the second transaction ends, metadata of the original table and metadata of the temporary table are exchanged.

Abstract: An image capture apparatus is illustrated, which has an image capture element and an optical component layer. The image capture element has a plurality of pixel regions. The optical component layer comprises a microstructure layer and a spatial filter formed on the image capture element in a first direction. The microstructure layer has micro lenses formed on a surface of the microstructure layer. The spatial filter has at least one translucent substrate and at least one light shielding structure, and the light shielding structure has a light absorbing/reflective layer and a reflective layer in the first direction stacked to each other. The light absorbing/reflective layer is another one light reflective layer or a light absorbing layer.

Abstract: A method for cleaning membrane is provided. The method includes, providing a membrane, introducing a thermo-sensitive ionic liquid to contact the membrane and perform a cleaning procedure to collect a cleaning solution, and layering the cleaning solution to form an aqueous layer and an ionic liquid layer at a specific temperature.

Abstract: An image capture device including an image sensor and a light collimator is provided. The light collimator is located on the image sensor and includes a light channel layer, a plurality of micro lenses and a wall structure. The plurality of micro lenses are disposed on the light channel layer, and the plurality of micro lenses and the image sensor are located on opposite sides of the light channel layer, respectively. The wall structure is disposed on the light channel layer and located at a periphery of the plurality of micro lenses, wherein a height of the wall structure is greater than a height of each of the plurality of micro lenses.