Abstract: A rhizome-growth monitoring device of a clonal plate is provided, including a supporting frame. A first adjustment rack is fixed above a side of the supporting frame, a side end of which is movably connected to a second adjustment rack. A connection sleeve is movably connected to a bottom end of the second adjustment rack. A lifting cylinder is fixed in the connection sleeve. A camera group is fixed to the lifting cylinder through a connection plate. A rhizome growth monitoring sleeve is fixed at a bottom end of the connection plate, and includes an outer sleeve, an inner sleeve, and a radar monitoring head. The outer sleeve is fixed onto the bottom end of the connection plate. The inner sleeve is screwed to an inner side of the outer sleeve. The radar monitoring head is installed in the inner sleeve and close to a bottom surface thereof.

Abstract: This application is applicable to the field of communications technologies, and provides a method and a device for preventing data misdeletion, a storage medium, and a program product. The method includes: Each of an IoT terminal and a user terminal is provided with a misdeletion prevention switch; and when a user opens the misdeletion prevention switch of the user terminal, the misdeletion prevention switch of the IoT terminal is synchronously opened, and when a server obtains a deletion request generated by the server, the server does not respond to the deletion request. In this way, the misdeletion prevention switch of the IoT terminal is in an opened state, data of the IoT terminal stored in the server is not deleted, and data of the IoT terminal stored in the IoT terminal is also not deleted, so that related data of the IoT terminal can be prevented from being mistakenly deleted, to prevent the IoT terminal from being mistakenly deleted from an Internet of Things that the IoT terminal has accessed.

Abstract: A single feed antenna design is conducted on a radiator of a specific shape (for example, a strip radiator or a slot radiator) to excite a plurality of antenna modes. For example, performing a feed design on a strip radiator may excite a CM wire antenna mode and a DM wire antenna mode. For another example, performing a feed design on a slot radiator may feed a CM slot antenna mode and a DM slot antenna mode. The antenna design may be used to cover a plurality of frequency bands when an antenna is miniaturized.

Abstract: A non-intrusive load identification method based on the Power Fingerprint characteristics of the load is provided. The method includes: S1, collecting Power Fingerprint characteristic data of several loads of the same type; S2, after preprocessing Power Fingerprint characteristic data of load, establishing convolution neural network based on attention mechanism to learn load characteristics; S3, using sliding time window algorithm to realize load switching event detection, In order to extract the change of electrical data of user bus before and after the switching event, the non-intrusive load identification problem is converted into the single load identification problem; S4, the load identification is realized, and the extracted electrical information features of single load are identified using the trained model.

Abstract: The present invention relates to a method for enhancing fragrance or perfume longevity of a composition by adding to the composition (a) a quaternary ammonium compound; (b) a cationic polysaccharide; (c) a nonionic polysaccharide; and (d) a fragrance material or perfume. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has improved perfume longevity.

Abstract: The present invention relates to a composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has excellent softening performance and improved perfume longevity.

Abstract: The present invention relates to a composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide, a nonionic polysaccharide and a fragrance material or perfume. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has excellent softening performance and improved perfume longevity.

Abstract: A millimeter-wave antenna array element includes a ground layer, a first dielectric layer, a first radiation patch, a second dielectric layer, and a second radiation patch. At least a part of the first feeding part is disposed inside the first dielectric layer, or inside the second dielectric layer, or between the first dielectric layer and the second dielectric layer, and the first feeding part is insulated from the first radiation patch, the second radiation patch, and the ground layer. At least a part of the second feeding part is disposed inside the first dielectric layer, or inside the second dielectric layer, or between the first dielectric layer and the second dielectric layer, and the second feeding part is insulated from the first feeding part, the first radiation patch, the second radiation patch, and the ground layer.

Abstract: An antenna structure includes a first antenna element connected to a first port, and a second antenna element connected to a second port. The antenna structure is operable to simultaneously transceive: a first signal via electric or magnetic current flow through the first antenna element in a symmetrically excited mode in which current flows symmetrically through the first antenna element and/or an asymmetrically excited mode in which current flows asymmetrically through the first antenna element, the first antenna element resonates at a first resonant frequency; and a second signal via electric or magnetic current flow through the second antenna element in a symmetrically excited mode in which current flows symmetrically through the second antenna element and/or an asymmetrically excited mode in which current flows asymmetrically through the second antenna element, the second antenna element resonates at a second resonant frequency.

Abstract: The present invention relates to a composition comprising: (a) a bis-(2-hydroxypropyl)-dimethylammonium methyl-sulphate fatty acid ester having an average chain length of the fatty acid moieties of from 12 to 30 carbon atoms; (b) a cationic poly saccharide; and (c) a nonionic polysaccharide. The present invention also relates to the method of use of the composition.

Abstract: An antenna structure comprising: a first port; a second port; and a single radiator connected to both the first and second ports, the single radiator being operable to simultaneously transceive in: a symmetrical excited mode in which current flows symmetrically through the single radiator to or from the first port, thereby causing the single radiator to resonate at a first resonant frequency; and an asymmetrical excited mode in which current flows asymmetrically through the single radiator to or from the second port, thereby causing the single radiator to resonate at a second resonant frequency. The single radiator comprises: a first element, a second element, and arm connectors connecting the first element to the second element. The first element being elongate and linear. The second element being elongate, linear, and parallel to the first element.

Abstract: A communications terminal includes an antenna Which includes a circuit hoard, a radiator, two feeds, and two coupling structures. The radiator is disposed around an outer edge of the circuit board, and a ring-shape slot is formed between the outer edge of the circuit board and the radiator. A first feed is electrically coupled to a first coupling structure, the first coupling structure is coupled to the radiator along one direction, and a current in a first polarization direction is formed on the circuit board by using the radiator and the ring-shape slot. A second feed is electrically coupled to a second coupling structure, the second coupling structure is coupled to the radiator along another direction, and a current in a second polarization direction is formed on the circuit board by using the radiator and the ring-shape slot. A specific included angle is formed between the above two directions.

Abstract: An antenna structure includes a first signal connector and a second signal connector. The antenna structure further includes a cavity antenna defined by a set of planar walls. The cavity antenna is coupled to the first signal connector and configured to emit a field polarized linearly in a first direction when driven by a signal at the first signal connector. The antenna structure further includes a dipole antenna defined by a pair of arms that are integrated with a wall of the cavity antenna. The dipole antenna is coupled to the second signal connector and configured to a field polarized linearly in a second direction offset from the first direction when driven by a signal at the second signal connector.

Abstract: The present invention relates to a method for conditioning a fabric comprising the step of contacting the fabric with an aqueous medium comprising a composition, wherein the composition comprises: (a) a quaternary ammonium compound; (b) a cationic polysaccharide; and (c) a nonionic polysaccharide. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has excellent softening performance and improved perfume longevity. The present invention also relates to use of said composition for conditioning a fabric.

Abstract: A millimeter-wave antenna array element includes a ground layer, a first dielectric layer, a first radiation patch, a second dielectric layer, and a second radiation patch. At least a part of the first feeding part is disposed inside the first dielectric layer, or inside the second dielectric layer, or between the first dielectric layer and the second dielectric layer, and the first feeding part is insulated from the first radiation patch, the second radiation patch, and the ground layer. At least a part of the second feeding part is disposed inside the first dielectric layer, or inside the second dielectric layer, or between the first dielectric layer and the second dielectric layer, and the second feeding part is insulated from the first feeding part, the first radiation patch, the second radiation patch, and the ground layer.

Abstract: A method includes separately collecting, by a terminal, a transmit power of the terminal at different time points in a second duration after a first duration from a power-on moment to obtain a plurality of transmit powers, calculating an average transmit power of the transmit powers, determining based on the average transmit power, a specific absorption rate (SAR) corresponding to the average transmit power, and decreasing a transmit power of the terminal after the second duration when the terminal determines that the SAR is greater than a preset threshold.

Abstract: The present invention relates to method for preparing composition containing at least a quaternary ammonium compound, a cationic polysaccharide, a fragrance material or perfume, a nonionic surfactant, and optionally a nonionic polysaccharide. The method notably comprises a step of preparing a premix of the fragrance material or perfume and the nonionic surfactant. Said composition may notably be used for fabric conditioning.

Abstract: A sum and difference mode antenna includes a first radiator, a second radiator, a first excitation source, and a second excitation source. The first radiator includes a first segment, a second segment, and a gap formed between the first segment and the second segment, and the first excitation source is configured to feed the first radiator, so that currents in the first segment and the second segment both flow in a first direction. The second radiator includes a third segment, a fourth segment, and a fifth segment. The third segment and the fourth segment are symmetrically distributed on two sides of a connection end of the fifth segment, and the second excitation source is electrically connected to a feed end of the fifth segment to feed the second radiator.

Abstract: The present invention relates to a method for conditioning a fabric comprising the step of contacting the fabric with an aqueous medium comprising a composition, wherein the composition comprises: (a) a quaternary ammonium compound; (b) a cationic polysaccharide; and (c) a nonionic polysaccharide. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has excellent softening performance and improved perfume longevity. The present invention also relates to use of said composition for conditioning a fabric.