Abstract: A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.

Abstract: Disclosed are support-activators and catalyst compositions comprising the support-activators for polymerizing olefins in which the support-activator includes clay heteroadduct, prepare from a colloidal phyllosilicate such as a colloidal smectite clay, which is chemically-modified with a heterocoagulation agent. By limiting the amount of heterocoagulation reagent relative to the colloidal smectite clay as described herein, the smectite heteroadduct support-activator is a porous and amorphous solid which can be readily isolated from the resulting slurry by a conventional filtration process, and which can activate metallocenes and related catalysts toward olefin polymerization. Related compositions and processes are disclosed.

Abstract: Provided herein is an electric powered digging apparatus comprising: a powerhead, the power head comprises a motor and a gearbox; a handle frame, the powerhead is mounted onto the handle frame; and a drill bit, the drill bit is driven by the motor to rotate around a longitudinal axis, the electric power digging apparatus further comprises: a first safety mechanism, wherein the first safety mechanism reduces torque output to the drill bit when the powerhead spins around the longitudinal axis for an angle larger than a first threshold, and a second safety mechanism, wherein the second safety mechanism reduces torque output to the drill bit when the powerhead spins around the longitudinal drive axis at an angular speed larger than a second threshold FIG.

Abstract: The present invention provides a modular system having a first connection structure, a fan unit, and a circuit board unit. The circuit board unit includes a control and communication circuit board respectively electrically connected to a power module circuit board and a driver module circuit board. The driver module circuit board is electrically connected to a fan unit load of the fan unit. The power module circuit board, the control and communication circuit board, and the driver module circuit board are respectively mounted in a first protection shell of the first connection structure or in a fan protection shell of the fan unit. The modular system allows implementations of different circuit board structures for a ceiling fan with or without a pendant light. The modular system allows a control circuit board to more conveniently fit into the ceiling fan with or without the pendant light.

Abstract: Compositions for killing insects (the term “insects” as used herein includes non-insects such as ticks, mites, spiders, centipedes, scorpions, chiggers, and solifugids), said composition containing at least one compound of formula 1 wherein R1 is CH3, C2H5, C3H7; saturated or unsaturated, straight or branched, or halogen substituted alkyl; and wherein R2 are independently H, halogen, nitrogen, oxygen, sulfur, saturated or unsaturated, straight or branched alkyl, alkenyl, alkyl halide, aldehyde, ketone, ether, ester, amine, or amide; optionally methyl benzoate, optionally a surfactant, and optionally a carrier. Also disclosed are methods for killing insects, involving treating an object or area with an insect killing effective amount of the compositions, optionally methyl benzoate, optionally a surfactant, and optionally a carrier.

Abstract: A dynamic thermal infrared stealth composite material based on dual phase change is a VO2/mica-based phase change thermal storage thin layer composite material composed of a VO2 nanoparticle coating and a mica-based phase change thermal storage thin layer, wherein the mica-based phase change thermal storage thin layer consists of stearic acid and a vanadium-extracted mica substrate in a mass ratio of 3-5:5-7. The composite material based on dual phase change is prepared by extracting vanadium from vanadium mica using a roasting and acid leaching process to prepare VO2 nanoparticles and a vanadium-extracted mica, embedding a phase change functional body into the vanadium-extracted mica as a support substrate to prepare a mica-based phase change thermal storage thin layer, and coating the VO2 nanoparticles on the mica-based phase change thermal storage thin layer. The dynamic thermal infrared stealth composite material can synergistically reinforce thermal infrared stealth performance.

Abstract: A display device and a manufacturing method thereof are provided. The display device includes a first liquid crystal panel for displaying a picture, a second liquid crystal panel for switching between a privacy mode and a sharing mode, and a back light assembly for emitting light; the second liquid crystal panel is disposed on a light-emitting side of the back light assembly; the first liquid crystal panel is disposed on a side of the second liquid crystal panel away from the back light assembly, and a spacer film is disposed between the first liquid crystal panel and the second liquid crystal panel, and is attached to the second liquid crystal panel.

Abstract: A broadband solar cell antenna includes a first solar cell layer, a first dielectric supporting layer, an antenna layer, a second dielectric supporting layer, and a second solar cell layer sequentially from top to bottom. The first and second solar cell layers are structurally identical; the first and second dielectric supporting layers are structurally identical; a monopole is a metal base copper-clad laminate in a shovel-shaped structure; a trumpet-shaped grounded coplanar waveguide (GCPW) feeding line is used; and a solar cell array forms a meta-surface structure. The broadband solar cell antenna has the features of broadband, miniaturization and low profile. The antenna layer is provided between the two solar cell layers. Solar cells on an upper surface and a back surface of the antenna can collect light in different angles. The antenna has desired radiation performance and can function as both an antenna and a solar cell.

Abstract: A control method of an intelligent sterility test pump, a sterilization method and its application. The control method includes monitoring the real-time current of a DC drive motor through a current detection module, to adjust the rotating linear velocity of a peristaltic pump head in real time; when the peristaltic pump head is in a state of pushing a liquid to be tested, reducing the rotating linear velocity of the peristaltic pump head; and when the peristaltic pump head is in an idling state, increasing the rotating linear velocity of the peristaltic pump head. A sterilization method includes the control method of the intelligent sterility test pump. Application of the sterilization method in preparation or detection of foods and medicines.

Abstract: A communications method and a communications apparatus and system are provided, and are applied to smart home systems. The method includes: a home device sends operation information to a server, where the operation information is used to indicate an operation performed by a user on the home device; and after receiving the operation information from the home device, the server determines a target account, where the target account is one of accounts associated with the home device, and sends a notification message to a target terminal device, where the notification message includes status information used to indicate a status of the home device, the status information is related to the operation information, and the target terminal device is a terminal device on which the target account is logged in.

Abstract: Disclosed is a flexible hydrogen sensor with ultra-high sensitivity and a wide range and a fabrication method therefor. The sensor includes a conductive electrode layer (4), a sensing layer and a flexible substrate layer (1) in sequence from top to bottom. The sensing layer includes a MOx film (2) and Pd nanoparticles (NPs) (3), and the Pd NPs (3) are covered on the MOx film (2). A traditional metal oxide type hydrogen sensor and a quantum conductance-based hydrogen sensor are combined on a flexible polymer substrate by means of an atomic layer deposition (ALD) technology and a cluster beam deposition (CBD) technology, so as to obtain a flexible hydrogen sensor with ultra-high sensitivity, a wide range and excellent selectivity and lower working temperature.

Abstract: Disclosed is a flexible hydrogen sensor with ultra-high sensitivity and a wide range and a fabrication method therefor. The sensor includes a conductive electrode layer (4), a sensing layer and a flexible substrate layer (1) in sequence from top to bottom. The sensing layer includes a MOxfilm (2) and Pd nanoparticles (NPs) (3), and the Pd NPs (3) are covered on the MOx film (2). A traditional metal oxide type hydrogen sensor and a quantum conductance-based hydrogen sensor are combined on a flexible polymer substrate by means of an atomic layer deposition (ALD) technology and a cluster beam deposition (CBD) technology, so as to obtain a flexible hydrogen sensor with ultra-high sensitivity, a wide range and excellent selectivity and lower working temperature.

Abstract: The disclosure discloses recombinant Bacillus subtilis for synthesizing e lacto-N-neotetraose yield. The recombinant Bacillus subtilis is obtained by integrating two ?-1,4-galactotransferase genes on a genome of a host bacterium Bacillus subtilis 168?amyE:P43-lacY, P43-lgtB, PxylA-comK and exogenously expressing a ?-1,3-N-glucosaminotransferase gene. Compared with a strain before transformation, the recombinant Bacillus subtilis of the disclosure improves the yield of the synthesized lacto-N-neotetraose from 720 mg/L to 1300 mg/L, laying a foundation for further metabolic engineering transformation of Bacillus subtilis for producing the lacto-N-neotetraose.

Abstract: A cast film, for use in monolayer and multilayer applications, having an outstanding inherent cling property is disclosed. Additionally, a multilayer cast film utilizing a cast film component layer prepared from a Ziegler-Natta catalyzed ethylene and alpha-olefin copolymer is disclosed, wherein the cast film component layer has a cling force of at least 200 grams-force per inch width at 200% pre-stretch, a slow puncture resistance of greater than 50 J/mm, and a TD tear strength of greater than 450 g/mil, with no cling additives present in the cast film component layer.

Abstract: The disclosure discloses a synthesis method of hexafluorophosphate, belonging to the technical field of chemical synthesis. The synthesis method of hexafluorophosphate is characterized by comprising the following steps: reacting a phosphorus pentahalide inert solvent solution obtained by dissolving phosphorus pentahalide into an inert solvent with an alkali metal fluoride salt hydrogen fluoride solution obtained by dissolving an alkali metal halide salt into anhydrous hydrogen fluoride in a reactor in a ratio to obtain a mixture consisting of hexafluorophosphate, hydrogen fluoride, the inert solvent and hydrogen halide, performing gas-liquid separation to remove a hydrogen halide gas, then heating and evaporating to recover hydrogen fluoride, finally performing solid-liquid separation to recover the inert solvent, and then drying the solid to obtain hexafluorophosphate.

Abstract: The present disclosure discloses a method for efficient catalytic synthesis of PAPS based on constructing an ATP regeneration system, and belongs to the technical field of bioengineering. Efficient production of PAPS is realized through microbial recombination expression and artificial construction of PAPS bifunctional synthetase. On the basis, an ATP regeneration system coupling with polyphosphate kinase from Corynebacterium glutamicum and Mycobacterium tuberculosis can be used for recovering two byproducts: pyrophosphoric acid and ADP at the same time, the equivalent conversion of a substrate and a product is realized, the PAPS generated in a catalysis system has high purity, and the sulfonic acid group donation in most sulfonic acid transfer reactions can be realized.

Abstract: Disclosed in the present invention is a multi-target simultaneous charging method for a lithium battery pack: converting energy loss and charging current into a lithium battery pack charging cost model with a charging weight coefficient, and using an interior point method for solving and processing to acquire a preset charging current sequence; on the basis of the preset charging current sequence, calculating the charging time required when charging the lithium battery pack, and adjusting the charging weight coefficient in the lithium battery pack charging cost model by means of an adaptive momentum gradient descent algorithm to obtain the charging weight coefficient with the shortest charging time; using the charging weight coefficient to optimize the lithium battery pack charging cost model to acquire a new preset charging current sequence; and using the new preset charging current sequence to implement charging, thereby implementing optimized multi-target simultaneous charging of the lithium battery pack.

Abstract: A liquid-cooled integrative power system for electric forklift includes an integrated transmission gearbox, an integrated motor controller, a drive motor, an oil pump motor, an oil pump and a vehicle controller. The integrated transmission gearbox includes a drive motor transmission mechanism and an oil pump motor transmission mechanism. The integrated motor controller includes a drive motor control unit and an oil pump motor control unit. The integrated transmission gearbox, the integrated motor controller, the drive motor, the oil pump motor, the oil pump and the vehicle controller are completely integrated and mounted to form the liquid-cooled integrative power system for electric forklift.

Abstract: A method, a device, and a system for transmitting a multicast packet are provided. The method includes: when a device that is in a source subnet and that is connected to a core network receives a multicast packet of a target multicast group, determining addresses of devices that are in a plurality of destination subnets corresponding to the target multicast group and that are connected to the core network, replicating the multicast packet, to obtain a plurality of multicast packets whose quantity is equal to a quantity of the plurality of destination subnets, separately adding outer encapsulation to each multicast packet, and forwarding the multicast packet to which the outer encapsulation is added, where a destination address in the outer encapsulation is an address of a device that is in each destination subnet and that is connected to the core network.