Abstract: Embodiments of the present disclosure describe an inline demulsification system (400, 430) including an inline flow conditioner (402,410) for separating a multiphase fluid into a liquid phase (420) and a gas phase (422), wherein the liquid phase (420) includes an emulsion; and an ultrasonic wave device (404), provided downstream from the flow conditioner (402, 410), including one or more ultrasonic probes (442) for emitting ultrasonic waves (452) towards the multiphase fluid, wherein the ultrasonic waves (452) demulsify at least a portion of the emulsion. Embodiments of the present disclosure also describe related systems and methods.

Abstract: A skin audible watch for orientation identification includes a dial (1) and a strap (2). A plurality of sound collection modules (3) are arranged along a circumference of the dial (1), and the sound collection modules (3) are sequentially connected with a digital filter (4), an analog-to-digital converter (5), a single-chip microcomputer (6), and a row and column drive module (7); the single-chip microcomputer (6) is also connected with vibration motors (8) and a gyroscope (9); a number of the vibration motors corresponds to a number of orientations; the digital filter (4), analog-to-digital converter, single-chip microcomputer, row and column drive module, the vibration motors and the gyroscope are located inside the dial; the row and column drive module is connected with a current contact pin (12), and a free end of the current contact pin extends out of a surface of the vibration motors.

Abstract: A coupling thermal management system of a pure electric vehicle based on phase change heat storage. The system includes a refrigerant circuit and a coolant circuit, where heat exchange can be achieved between the refrigerant circuit and the coolant circuit through a plate type heat exchanger. The refrigerant circuit includes an electric compressor, an inside-vehicle heat exchanger, an outside-vehicle heat exchanger, a bidirectional electronic expansion valve, a four-way directional valve, a gas-liquid separator, first three-way valve, a first gate valve, a second gate valve, a plate type heat exchanger and a refrigerant tube. The coolant circuit includes a battery pack, a phase change material, a heat storage heat exchanger, a water pump, a second three-way valve, a third three-way valve, a fourth three-way valve and a coolant tube. The plate type heat exchanger is also included in the coolant circuit.

Abstract: A free node to be deployed underwater for omnidirectional energy and data harvesting includes a housing that forms a sealed chamber; a wavelength-changing layer attached to an outside of the housing and configured to receive a first optical signal having a first wavelength range and to emit a second optical signal having a second wavelength range, different from the first wavelength range, wherein the first optical signal includes encoded data; a flexible solar cell wrapped around the housing, the flexible solar cell being configured to receive the second optical signal and generate an electrical signal; an energy storage module located in the chamber and configured to store electrical energy associated with the electrical signal; and a decoder located in the chamber and configured to receive the electrical signal and decode the encoded data. The first wavelength range is ultraviolet light and the second wavelength range is visible or infrared light.

Abstract: A method is to excavate main roadways in the upper and lower parts separately and an inclined intake roadway in the central part of the mine and pre-excavate an inclined seam roadway as the first mining face at the boundary on one side of the mine. Staring from the mine boundary, the retreating mining shall be carried out on the first mining face strip by strip with belt conveyors arranged in the upper main roadway and assistant conveying devices in the lower main roadway and inclined intake roadway; the open-off cut of the first mining face shall be built on the underside of the upper main roadway at the boundary of the mine to carry out the downward inclined mining on the strike and along the inclination.

Abstract: A standing training mobile device for carrying a patient to perform active-assisted upright locomotion is provided. The standing training mobile device includes a base, a mobile module, a lifting module, a control module, and a support module. The mobile module and the lifting module are disposed on the base. The control module is disposed on the lifting module and is coupled to the mobile module. The control module includes a manipulation platform and two control assemblies disposed on the manipulation platform for use of the patient. The support module includes a support frame, a first support assembly, a second support assembly, and a third support assembly. The first support assembly, the second support assembly, and the third support assembly are slidably disposed on the support frame respectively. The second support assembly is disposed between the first support assembly and the third support assembly.

Abstract: A method of preparing a vinyl collagen microsphere polyamide fiber composite material includes the following steps: step 1: modifying a collagen with methacrylic anhydride to obtain a vinyl collagen, then emulsifying and cross-linking the vinyl collagen to obtain vinyl collagen microspheres; step 2: treating a polyamide fiber substrate with formaldehyde to obtain a hydroxylated polyamide fiber substrate, treating the hydroxylated polyamide fiber with (3-mercaptopropyl)trimethoxysilane (MPS) to obtain a sulfhydrylated polyamide fiber substrate; and step 3: modifying the sulfhydrylated polyamide fiber substrate with the vinyl collagen microspheres to obtain the vinyl collagen microsphere polyamide fiber composite material.

Abstract: Embodiments of the present disclosure generally describe ethano-Tröger's base-amine monomers, ethano-Tröger's base polyimides of intrinsic microporosity, membranes based on ethano-Tröger's base polyimides of intrinsic microporosity, methods of making ethano-Tröger's base-amine monomers, methods of making ethano-Tröger's base polyimides of intrinsic microporosity prepared from ethano-Tröger's base-amine monomers, methods of separating chemical species, and the like.

Abstract: A Saccharomyces cerevisiae strain with high yield of ethyl butyrate and a construction method and an application thereof are provided. The strain is obtained by over-expressing in the starting strain acetyl coenzyme A acyl transferase gene Erg10, 3-hydroxybutyryl coenzyme A dehydrogenase gene Hbd, 3-hydroxybutyryl coenzyme A dehydratase gene Crt, trans-2-enoyl coenzyme A reductase gene Ter, and alcohol acyl transferase gene AAT. Compared to the starting bacteria not producing ethyl butyrate, the yield of ethyl butyrate of the constructed strain reaches 77.33±3.79 mg/L, the yield of the ethyl butyrate of the strain with double copy expression of gene Ter and gene AAT reaches 99.65±7.32 mg/L, increased by 28.9% compared with the EST strain, and 40.93±3.18 mg/L of ethyl crotonate is unexpectedly produced.

Abstract: A prefabricated polymeric layer to be used in a matrix-assisted laser desorption/ionization (MALDI) based system, the prefabricated polymeric layer including a first sublayer; and a second sublayer attached to the first sublayer, wherein the second sublayer includes a sample holder. At least one of the first sublayer and the second first sublayer includes a polymeric material, and the prefabricated polymeric layer is to be added to a target material to be examined by the MALDI system.

Abstract: The disclosure relates to the field of heavy metal adsorbents, and a heterogeneous agglomeration adsorbent for heavy metal adsorption, a method for preparing the same, and applications are provided. The heterogeneous agglomeration adsorbent includes the following components according to percentage by weight: 0.005% to 0.01% of polyacrylamide, 0.0005% to 0.001% of calcium chloride, 0.001% to 0.01% of coconut oil fatty acid diethanolamide, and a balance is water.

Abstract: A process for enriching phosphorus and recovering vivianite by a biofilm method includes the following steps: 1) an aerobic phosphorus absorption stage; 2) an anaerobic phosphorus release stage; 3) a cyclic enrichment stage; 4) a seed crystal forming stage; and 5) a crystal forming stage.

Abstract: A preparation method of charcoal-based fertilizer is provided. Particularly, a special pig manure charcoal modified by amino grafting, a preparation method thereof, and its application in the reuse of nitrogen from farmland drainage are provided. The preparation method includes the following steps: 1) drying raw pig manure to a moisture content of 80%-85% and carrying out pickling, drying, and crushing successively to obtain a dried pig manure powder; 2) conducting liquid nitrogen pretreatment and high-temperature charcoalization to obtain an expanded pig manure charcoal; 3) performing carboxylation treatment to obtain a carboxylated pig manure charcoal; 4) amino grafting: adding an ammonia liquor to the carboxylated pig manure charcoal obtained in step 3), stirring for 20-24 h in an oil bath at 200-240° C.; washing and filtering; and drying and grinding to obtain the special pig manure charcoal modified by amino grafting.

Abstract: The present disclosure relates to a method for growing III-V compound semiconductors on silicon-on-insulators. Starting from {111}-oriented Si seed surfaces between a buried oxide layer and a patterned mask layer, the III-V compound semiconductor is grown within lateral trenches by metal organic chemical vapor deposition such that the non-defective portion of the III-V compound semiconductor formed on the buried oxide layer is substantially free of crystalline defects and has high crystalline quality.

Abstract: A fluorescent compound for acid detection is strongly emissive in the solid state and can aggregate in the presence of an acid. As such, a fluorescent intensity emitted from the compound can be enhanced from an original intensity level in the presence of an acid. The fluorescent compound can emit an enhanced fluorescent intensity in the presence of an ultra-low acid concentration, for example, a concentration of at least about 10?20 M.

Abstract: A multipurpose and transferrable sample platform for supporting, analyzing and/or processing a target material. The platform includes a substrate; a dielectric layer formed over a face of the substrate; electrodes formed over the dielectric layer; a slot formed through the substrate and the dielectric layer; and an exfoliated graphene-based membrane placed over the slot and in electrical contact with the electrodes. The exfoliated graphene-based membrane is configured to support, or act upon, a study material or chemical precursors.

Abstract: The present invention provides a signal fusion system that is a probabilistic system fusing an arbitrary combination of heterogeneous signals for determining the location of electronic devices. The system includes a signal sampling device for detecting one or more signals emitted by an electronic device to be located, including geolocation signals, WiFi signals, Bluetooth signals, 4G communication signals, 5G communication signals, geomagnetism signals, or inertial navigation system signals (INS). A likelihood processor cooperates with the signal sampling device to receive information about selected sampled signals, and creates a grid of reference points for an interested area in which the electronic device may be located. The likelihood processor independently computes, for each selected sampled signal, a location likelihood that is a probability of observing the sampled signal given that the electronic device is located at different reference points in the grid.

Abstract: A method for intelligent fault detection and location of a power distribution network is provided, which includes: constructing a network topology of the power distribution network, updating the network topology in real time to obtain an updated network topology, performing a fault identification based on the updated network topology, performing a fault locating based on the updated network topology to determine a fault node, and identifying a fault type based on a fault recorded signal of the fault node. With this method, fault locations and fault types of the power distribution network can be accurately detected in real time.

Abstract: The disclosure belongs to the technical field of powered drive devices, and discloses an acceleration control method for a load on a powered backpack based on a disturbance observer. The method includes: S1 setting the desired acceleration of the load on the powered backpack, presetting the initial motor drive current that regulates the movement of the load according to the desired acceleration, measuring the actual acceleration of the load; S2 establishing the disturbance observer for controlling acceleration the load on the powered backpack, using the disturbance observer to calculate the motor drive current that makes the actual acceleration of the load equal to the desired acceleration, so as to realize the acceleration control of the load on the powered backpack.

Abstract: A self-propelled towing simulator for a hydraulic lift system carries a gyro pose control system and a six-degree-of-freedom (DOF) platform to control the overall pose of the simulator, so that the simulator simulates six-DOF motion states including swaying, surging, yawing, rolling, pitching and heaving generated by a mining vessel under the combined action of waves and flows and required by the experimental working conditions; interventions in the pose of the simulator may be positive or negative, so that the simulator may be applied to the uncontrollable natural water bodies so as to approximate to the working conditions of the experimental requirements. The simulator may carry out experiments in open natural water bodies by use of its own autonomous sailing capability under remote wireless control and may acquire parameters such as dynamic characteristics and spatial configuration and the like of a deep-sea mining hydraulic lift subsystem in real time.