Abstract: Disclosed is a sintered body composition used in improved diffusion efficiency of heavy rare earth elements RH, and related sintered permanent magnet and preparation methods. The sintered body includes Nd2Fe14B crystal phase as a primary phase, and a rare earth rich phase as a grain boundary phase. The sintered body includes a composition expressed by RaBbGacCudAleMfCogFebalance; wherein R is one or more selected from rare earth elements, and R includes Nd; M is one or more selected from the group consisting of Zr, Ti, and Nb; and wherein “a” satisfies 13%?a?15.3%; “b” satisfies 5.4%?b?5.8%; “c” satisfies 0.05%?c?0.25%; “d” satisfies 0.08%?d?0.3%; “e” satisfies 0?e?1.2%; “f” satisfies 0.08%?f?0.2%; and “g” satisfies 0.8%?g?2.5%. Grains in Nd2Fe14B crystal phase have average size L of 4-8 ?m, and the relationship between L and t for grain boundary phases average thickness is: ?=t/L, wherein ? is defined as 0.009???0.012.

Abstract: A method for preparing a curable silicone pressure sensitive adhesive emulsion includes preparing a dispersion of benzoyl peroxide and a phenoxy-functional alcohol and thereafter combining the dispersion with the other starting materials of the emulsion.

Abstract: A polymer interlayer having improved sound insulation is disclosed. The polymer interlayer comprises: at least one soft layer wherein the soft layer comprises a poly(vinyl butyral) resin composition having a dispersity in composition of at least 0.40 and a plasticizer; and a stiff layer comprising a poly(vinyl butyral) resin composition and a plasticizer; wherein the polymer interlayer has a damping loss factor () (as measured by Mechanical Impedance Measurement according to ISO 16940) of at least about 0.15 measured at two or more different temperatures selected from 10° C., 20° C. and 30° C.

Abstract: Embodiments of this application provide an always-on-display method and an electronic device. The method includes: displaying, by an electronic device, an always-on-display screen, where the always-on-display screen includes a first image of a first display object; in response to detecting by the electronic device that an external object satisfies a first preset condition, displaying, by the electronic device, a second image of a second display object, where the second image is different from the first image. In the embodiments of this application, the always-on-display screen displayed by the electronic device can change according to the external object. When the external object satisfies a preset condition, a corresponding image or motion video is displayed, so that the always-on-display screen can be flexibly displayed.

Abstract: A pressure sensitive adhesive composition includes (A) 0.1% to 5% an anchorage additive and (B) 95% to 99.9% of a silicone pressure sensitive adhesive composition. This pressure sensitive adhesive composition can be cured to form a pressure sensitive adhesive. When cured on a backing substrate, the resulting adhesive article is useful for protecting electronic devices during fabrication, shipping, and use.

Abstract: A polysiloxane-polyester block copolymer is provided, which comprises: (i) a siloxane resin block comprising: a siloxane unit represented by the formula: R1SiO3/2, wherein R1 is a monovalent hydrocarbon group, and comprising optionally a siloxane unit represented by the formula: SiO4/2; (ii) a siloxane linear block represented by the formula: (R22SiO2/2)n, wherein each R2 is independently a monovalent hydrocarbon group, and “n” is a positive number of at least 5; and (iii) a polyester block. The polysiloxane-polyester block copolymer can be used for a protective coating on a substrate which is made of aluminum, stainless steel, iron, plastics or glass to provide durable heat-resistance, hot hardness, release and anti-graffiti properties.

Abstract: A method for interconversion between protocols, including the following steps: pre-establishing a publication/subscription list; when a packet published by a publisher is received, searching the publication/subscription list for a protocol type of the packet; extracting a packet data payload from the packet; determining whether a size of the packet data payload is less than a preset combination threshold; if yes, sending the packet data payload to a packet data payload queue of the publisher, and combining a packet data payload in the packet data payload queue when a size of the packet data payload queue reaches a preset transmission threshold or no new packet is received after a preset waiting duration; searching the publication/subscription list for all subscribers corresponding to the publisher; and performing protocol conversion on the packet one by one based on protocol types used by the corresponding subscribers, and sending protocol-converted packets to the corresponding subscribers.

Abstract: Multiple layer interlayers having enhanced optical and acoustic properties are provided, along with methods of making and using the same. Interlayers as described herein may include at least two outer skin layers and an inner core layer, with one of the outer skin layers having a different thickness than the other at one or more locations along the interlayer. The multi-layer interlayer may also exhibit acoustic properties and, in some cases, may have an overall wedged thickness profile. Additionally, in some aspects, interlayers and laminates formed therefrom may also provide reduced infrared energy transmission, without sacrificing acoustic and/or optical performance.

Abstract: The present invention discloses a differential COTDR distributed acoustic sensing device based on heterogeneous double-sideband chirped-pulses of the invention, comprising a light source (1), a 1×2 polarization-maintaining optical-fiber coupler (2), a dual Mach-Zehnder electro-optical modulator (3), an arbitrary waveform generator (4), a first low noise microwave amplifier (5), a second low noise microwave amplifier (6), an electro-optical modulator bias control panel (7), a 1×2 optical-fiber coupler (8), an erbium-doped optical-fiber amplifier (9), an optical-fiber filter (10), an optical-fiber circulator (11), a sensing optical fiber (12), a tricyclic polarization controller (13), a 2×2 optical-fiber coupler (14), a balanced photoelectric detector (15), a data acquisition card (16) and a processing unit (17).

Abstract: A silicone pressure sensitive adhesive composition is curable to form a silicone pressure sensitive adhesive. The silicone pressure sensitive adhesive composition can be coated on a substrate and cured to form a protective film. The protective film can be adhered to an anti-fingerprint coating on display glass, such as cover glass for a smartphone.

Abstract: Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one RI balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.

Abstract: A method for enhancing a far-field speech recognition rate, a system and a storage medium are provided. The method includes scanning in the front of a smart TV so as to obtain position, movement and feature information of an object directly in the front of the smart TV; locating a sound source which sends out a trigger phase and using the obtained feature information for determining whether the sound source is a human; if yes, using a MIC array for forming a narrow sound-pickup beam pointing at the sound source and performing sound pickup; performing an angle adjustment on the sound-pickup beam in real-time so as to track the sound source. It is possible to preform precise positioning and distinguish a target sound source from interfering sources, and it is possible to track the target sound source, thereby enhancing a far-field speech recognition rate.

Abstract: A mechanical energy-based self-powering counting system is provided. The system includes an electromagnetic power generator, a count measuring circuit, a count energy supply circuit, a controller and a wireless transmission module. The electromagnetic power generator is driven by an external device and produces an electric signal and outputs the electric signal to the controller after passing it through the count measuring circuit. The controller processes the received signal, updates a count according to certain programming rules and sends data to the wireless transmission module. The energy from the electromagnetic power generator flowing through the count measuring circuit can supply power to the controller. An energy storage module in the count energy supply circuit performs voltage feedback on the controller. The controller monitors the voltage of the energy storage module to control whether it enters a charging state.

Abstract: A coating composition is disclosed. The coating composition is useful for providing a coating, e.g. on a surface of an article. The coating provides very low adhesion to ice, faster ice removal by heating power, etc. The coating composition comprises a silicone rubber, a thermal conductive filler, a reactive polysiloxane, an unsaturated group containing alkoxysilane, a catalyst, and a solvent.

Abstract: A passive energy-storage exoskeleton for assisting elbow joint is provided, which includes an upper arm unit, a lower arm unit, and an elbow joint unit located therebetween, the upper arm unit is rotatably connected with the lower arm unit. The elbow joint unit includes an anti-gravity mechanism, a coil spring mechanism, and a lower-arm-unit self-locking mechanism. The anti-gravity mechanism generates an equilibrant moment to eliminate the influence of the weight of the arm of the user and the weight of the device on the elbow joint. The lower-arm-unit self-locking mechanism is configured for locking/releasing the lower arm unit at any specified angle of rotation. The coil spring mechanism is configured for capturing and storing kinetic energy generated by rotation and swing of the arm of the user and releasing the energy as required.

Abstract: Provided herein is a carbinol-functional silicone resin. The carbinol-functional silicone resin is prepared by reacting a raw silicone resin having at least 1 mass % of silicon atom-bonded hydroxyl groups, silicon atom-bonded alkoxy groups, or a combination thereof, and a dihydroxy-functional compound, in the presence of a condensation catalyst and a solvent. The carbinol-functional silicone resin can produce a solid silicone-modified polyester without gelation of the silicone resin.

Abstract: A method, system and storage medium for solving echo cancellation failure; method comprises: starting echo cancellation algorithm for convergence of self-adapting filter to stabilize coefficient of filter function (S100); presetting maximum amplitude value for signal intensity that microphone can receive, and detecting if microphone signal lower than maximum amplitude value (S200); prompting user or television system automatically to turn down television volume when microphone received signal larger than or equal to maximum amplitude value, to ensure microphone received signal intensity lower than maximum amplitude value (S300); echo cancellation being carried out without distortion of signals, wherein coefficient of self-adapting filter function W(n) may be continually kept stable, avoiding self-adapting filter converging multiple times due to signal distortion (S400).

Abstract: A design method for an intelligent reflecting surface (IRS) aided terahertz secure communication system is provided. The IRS aided terahertz multi-input single-output (MISO) system includes a base station (BS) equipped with NBS antennas, an IRS equipped with NIRS reflecting elements, a single-antenna user and a single-antenna eavesdropper. The BS transmits signals by the active hybrid beamforming to the relay of the IRS, and the IRS adjusts the signals and reflects the signals to the mobile user, which suppresses the received signal of the eavesdropper. The present invention maximizes the downlink secrecy rate by establishing a joint optimization function and maximizes the system data transmission rate by a cross-entropy based search method.

Abstract: A hand control apparatus including an extracting unit extracting a grip pattern of an object having a shape closest to that of the object acquired by a shape acquiring unit from a storage unit storing and associating shapes of plural types of objects and grip patterns, a position and posture calculating unit calculating a gripping position and posture of the hand in accordance with the extracted grip pattern, a hand driving unit causing the hand to grip the object based on the calculated gripping position and posture, a determining unit determining if a gripped state of the object is appropriate based on information acquired by at least one of the shape acquiring unit, a force sensor and a tactile sensor, and a gripped state correcting unit correcting at least one of the gripping position and the posture when it is determined that the gripped state of the object is inappropriate.