Abstract: A type of high-modulus-low-shrinkage activated PET industrial yarn and preparing method thereof are disclosed. The preparing method is to manufacture filament from a modified polyester, which is the product of the esterification and the successive polycondensation reactions of evenly mixed terephthalic acid, ethylene glycol and tert-butyl branched heptanediol, through a series of processes composed of viscosity enhancing by solid state polycondensation, melting, metering, extruding, cooling, oiling, stretching, heat setting, relaxation heat-treating, oiling with activation oil, winding and pre-activation treatment. The relaxation heat-treating indicates passing the modified polyester yarns through a space with a certain temperature within 200-220° C. under a proper relaxation state; and the proper relaxation state means a 3.0-5.0% of overfeed for the winding.

Abstract: A process for preparing a population of coated phosphor particles is presented. The process includes combining particles of a phosphor of formula I: Ax [MFy]:Mn4+ with a first solution including a compound of formula II: Ax[MFy] to form a suspension, where A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is an absolute value of a charge of the [MFy] ion; and y is 5, 6 or 7. The process further includes combining a second solution including a source A+ ions with the suspension.

Abstract: A method for marking a target position of a gimbal includes obtaining a current offset angle between a base of the gimbal and an axis arm of the gimbal during rotation of the base, determining a final target position of the gimbal when the base rotates to a current position according to the current offset angle, and displaying the final target position.

Abstract: A method for improving the quality of a polyester industrial yarn is provided. First, in the cooling process of preparing a polyester industrial yarn prepared by polyester spinning, the longitudinal height is kept unchanged, and the cross-sectional area of the slow cooling chamber is enlarged. The chamber maintains the surface temperature of the spinneret by means of heat preservation, and then uses an oil agent containing 67.30-85.58 wt % crown ether in the oiling process of polyester industrial yarn prepared by polyester spinning. Enlarging the cross-sectional area of the slow-cooling chamber refers to the cross section of the slow cooling chamber is changed from a circular shape to a rectangular shape while keeping the spinneret connected to the slow cooling chamber unchanged. The cleaning cycle of the spinneret is prolonged by 35-45%, the full package rate of polyester industrial yarn is larger than 99%.

Abstract: A transmission mechanism includes an output member and a worm wheel shaft configured to be connected to a power device to transmit a power of the power device to the output member. The worm wheel shaft and the output member are engaged with each other through a relative movement along an axial direction. An engagement between the worm wheel shaft and the output member limits a relative rotation between the worm wheel shaft and the output member.

Abstract: An apparatus and a method. The apparatus includes a first SIM, a second SIM, a dual SIM resource controller (DSRC), and a radio frequency (RF) communication entity. The DSRC is configured to schedule a first paging preparation period of the first SIM prior to a second paging preparation period of the second SIM, when an initial RF request for the RF communication entity is granted, and it is determined that a partial paging overlap will occur between the first SIM and the second SIM.

Abstract: The disclosure discloses a positioning laser 3D four-layer air thermal ventilation channel fabric and a method for processing the same. The disclosure is characterized by comprising a closed face cloth layer and a closed bottom cloth layer, wherein the closed face cloth layer comprises face base cloth, a pu environmental-friendly glue layer and a differentiated TPU polyurethane film from top to bottom, the closed bottom cloth layer successively comprises the differentiated TPU polyurethane film, the pu environmental-friendly glue layer and bottom lining cloth from top to bottom, and the face base cloth is provided with laser cutting points for laser visual recognition. During the processing, the closed face cloth layer and the closed bottom cloth layer are prefabricated, then channels on the fabric are glued, and finally patterns and ventilation points are cut by using laser.

Abstract: A rotor assembly includes a motor, a propeller, and a connection assembly. The motor includes a stator and a rotator rotatable with respect to the stator. The connection assembly includes a locking member provided between the propeller and the rotator. The locking member is configured to rotate with respect to the rotator and the propeller to lock the propeller to the motor.

Abstract: A multi-coil placement method of a wireless charging system is disclosed. The method may include obtaining a width parameter of an effective charging area a and a width parameter of a power transmitter coil b, calculating a ratio of the width parameters a/b, determining a shape, size and number of layers of mesh cells based on the ratio of a/b, determining a layout of the mesh cells, covering a required charging area using the mesh cells based on the determined shape, size, number of layers, and layout, and replacing the mesh cells with the power transmitter coils.

Abstract: A low-shrinkage polyester industrial yarn and a preparation method thereof are provided. The preparation method includes the following steps: subjecting the modified polyester to polycondensation, melting, measuring, extruding, cooling, oiling, stretching, heat setting and winding, wherein the content of the crown ether in the oil agent is 67.30-85.58 wt %. The material of the prepared low shrinkage polyester industrial yarn is a modified polyester, the molecular chain of the modified polyester includes a terephthalic acid segment, an ethylene glycol segment, and a branched diol segment, and the structural formula of the branched diol is as follows: Wherein R1 and R2 are each independently selected from a linear alkylene group having 1-3 carbon atoms, R3 is selected from an alkyl group having 1-5 carbon atoms, and R4 is selected from an alkyl group consisting of 2-5 carbon atoms.

Abstract: The present disclosure provides a differential gear device. The differential gear device includes a differential gear set including a first side gear and a second side gear disposed opposite to each other, and a first planetary gear meshing with the first side gear and the second side gear, the first planetary gear being configured to rotate on its own and to revolve around the first side gear and the second side gear; a first motor connected to the first side gear; a second motor connected to the second side gear; and a slider-crank assembly including a crank, a connecting rod, and a sliding block, both ends of the connecting rod being hinged with the crank and the sliding block respectively, and the crank being connected with the first planetary gear.

Abstract: An apparatus and a method. The apparatus includes a first subscriber identity module (SIM); a second SIM; a dual SIM resource controller (DSRC) connected to the first SIM and the second SIM; and a radio frequency (RF) communication entity connected to the DSRC, wherein the DSRC is configured to attempt an RF request for the RF communication entity of the first SIM after a paging period of the second SIM is completed.

Abstract: A remote access control system includes a remote access control apparatus and a communication relay apparatus. The remote access control apparatus is configured to establish a predetermined communication session with the communication relay apparatus through predetermined connection target information obtaining processing performed by active connection to the remote access control apparatus from the communication relay apparatus, to transmit a secure communication connection start command to the communication relay apparatus, to receive a secure communication connection request from the communication relay apparatus to perform processing for establishing a first secure communication session, and to receive a secure communication connection request from the user apparatus based on the result of the establishment of the first secure communication session to perform processing for establishing a second secure communication session.

Abstract: A follow focus device includes a signal receiver, a controller electrically connected to the signal receiver, and a control interface electrically connected to the controller and configured to be electrically connected to a camera device. The signal receiver is configured to receive a control instruction for controlling a focal length of a lens of the camera device and send the control instruction to the controller. The controller is configured to generate a control signal according to the control instruction and send the control signal to the camera device via the control interface.

Abstract: A method includes obtaining a potassium hexafluorosilicate (PFS)-based powder, obtaining a fluidization material, and mixing the PFS-based powder with the fluidization material to form a PFS-based mixture. The PFS-based mixture is configured to be mixed with a resinous material to form a flowing phosphor blend configured to be placed onto a light source to form a phosphor on the light source.

Abstract: A load-stabilizing apparatus includes a load-connecting member configured to carry a load, a parallelogram mechanism connected to the load-connecting member, and a stabilizing motor drivingly connected to the parallelogram mechanism. The stabilizing motor is configured to drive the parallelogram mechanism to deform, such that the parallelogram mechanism drives the load-connecting member to move.

Abstract: A sparse routing coil structure for a magnetic coil in a wireless charging system is disclosed. The sparse routing coil structure may include a magnetic coil routed by turns of a wire and a turn spacing S between adjacent turns of the wire. The turn spacing S may be a space between adjacent turns of the wire, and a turn width is denoted as W. A ratio of W/S may be not larger than 10.

Abstract: A method includes mixing a first fluoride phosphor powder that is doped with tetravalent manganese with a treatment solution for a designated period of time, stopping the mixing to allow the fluoride phosphor powder to settle, removing at least some liquid that has separated from the first fluoride phosphor powder, repeating (a) the mixing, (b) the stopping of the mixing, and (c) removing at least some of the liquid during one or more additional cycles, and obtaining a second fluoride phosphor powder following the repeating of the mixing, the stopping of the mixing, and the removing of at least some of the liquid. The second fluoride phosphor powder includes a reduced amount of the manganese relative to the first fluoride phosphor powder.

Abstract: A bi-profiled fiber and preparing method thereof are provided. The bi-profiled fiber is manufactured through the steps of spinning melt metering, extruding via the composite spinneret, cooling, oiling, drawing, heat setting and winding, finally containing both double-cross monofilaments and circular monofilaments simultaneously. The bi-profiled fiber is made of the modified polyester, and the modified polyester is dispersed by matte agent and is composed of terephthalic acid segments, ethylene glycol segments and branched diol segments, and the branched diol segment has a structural formula of where R1 and R2 are separately selected from the linear alkylene with 1-3 carbon atoms, R3 from the alkyl with 1-5 carbon atoms, and R4 from the alkyl with 2-5 carbon atoms. The matte agents is a mixture of amorphous titanium dioxide and amorphous silicon dioxide, or a mixture of calcium carbonate and amorphous silicon dioxide.

Abstract: A high-modulus low-shrinkage polyester industrial yarn obtained by subjecting a polyester to dissolution, washing and solid state polycondensation followed by spinning. The high-modulus low-shrinkage polyester industrial yarn has a dry heat shrinkage rate of 2.0±0.25% under test conditions of 177° C.×10 min×0.05 cN/dtex. The average value of the crystal volume Vc of the high-modulus low-shrinkage polyester industrial yarn is larger than 230 nm3. The high-modulus low-shrinkage polyester industrial yarn has a fiber modulus of ?100 cN/dtex. The polycondensation catalyst consists of magnesium ethylene glycol and antimony ethylene glycol, which has a small thermal degradation coefficient.