Abstract: A method for manufacturing carbon nanotubes according to embodiments of the present disclosure includes injecting a carbon source, a metal catalyst, a cocatalyst and a transport gas into a reactor, and heating the reactor to manufacture carbon nanotubes. A ratio of a molar flow rate of the carbon source to a molar flow rate of the metal catalyst is 350 to 1,300.

Abstract: A jig for a reflection device includes a collet having a skirt portion with an expandable outer diameter and a locking head on one end of the skirt portion, a sleeve into which the collet is inserted and one side of which is supported by being caught by the locking head, and an expansion pin inserted into the collet and expanding the outer diameter of the skirt portion.

Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a separator for a rechargeable lithium battery including a porous base and a coating layer located on at least one surface of the porous base. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a second structural unit containing a heterocyclic ketone group. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.

Abstract: Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the. An example separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The adhesive binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a heterocyclic ketone group-containing second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of about 1.0 ?m or less, and the adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.

Abstract: The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder that includes a (meth)acryl-based binder containing a first structural unit and a second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of 1.0 ?m or less, and the adhesive binder includes a first structural unit derived from a vinyl aromatic-based monomer, a second structural unit derived from an alkyl (meth)acrylate, and a third structural unit derived from a phosphonate-based monomer.

Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide, and a second structural unit including at least one of a structural unit derived from (meth)acrylic acid, (meth)acrylate, and a structural unit derived from (meth)acrylamido sulfonic acid. The cross-linking agent includes an aziridine-based cross-linking agent in an amount ranging from about 5 wt % to about 50 wt % with respect to the (meth)acryl-based binder, and the filler has a particle diameter D100 of about 0.7 ?m or less.

Abstract: An essential oil of stems and leaves of Chuzhou chrysanthemum and its applications are provided. The essential oil is prepared by: taking and crushing fresh stems and leaves of the Chuzhou chrysanthemum by a crusher; putting the crushed stems and leaves into an extraction kettle, adding deionized water according to a ratio of 1:4 to 1:6, sealing, and connecting a cooling reflux and essential oil collection device; heating and starting counting when boiling, performing distillation extraction; then standing for cooling to room temperature, naturally layering the essential oil and water, discharging the water at a lower layer, and collecting the essential oil at an upper layer; and placing the essential oil in a brown bottle, adding anhydrous sodium sulfate to absorb water to obtain the essential oil of the stems and leaves of Chuzhou chrysanthemum.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a set of frequency bands supported for uplink transmission switching between frequency bands, the frequency bands including one or more bandwidth parts. The UE may transmit an indication of a subset of the set of frequency bands, the subset supported for dynamic uplink transmission switching between the frequency bands. The UE may transmit one or more uplink communications via one or more frequency bands of the subset of the set of frequency bands. Numerous other aspects are described.

Abstract: Wireless communications systems and methods related to communicating control information are provided. A method of wireless communication performed by a first sidelink user equipment (UE) may include transmitting, to a second sidelink UE, a first sidelink synchronization block (S-SSB) in a scheduled S-SSB slot, performing a first listen-before-talk (LBT) procedure in an unlicensed frequency band, and transmitting, to the second sidelink UE, a second S-SSB in a slot before a next scheduled S-SSB slot based on the first LBT procedure being unsuccessful.

Abstract: An essential oil of stems and leaves of Chuzhou chrysanthemum and its applications are provided. The essential oil is prepared by: taking and crushing fresh stems and leaves of the Chuzhou chrysanthemum by a crusher; putting the crushed stems and leaves into an extraction kettle, adding deionized water according to a ratio of 1:4 to 1:6, sealing, and connecting a cooling reflux and essential oil collection device; heating and starting counting when boiling, performing distillation extraction; then standing for cooling to room temperature, naturally layering the essential oil and water, discharging the water at a lower layer, and collecting the essential oil at an upper layer; and placing the essential oil in a brown bottle, adding anhydrous sodium sulfate to absorb water to obtain the essential oil of the stems and leaves of Chuzhou chrysanthemum.

Abstract: A UE may determine a number of antenna ports associated with a frequency band that includes one or more CCs. The determined number of antenna ports may be based on a plurality of UL Tx chains for the one or more CCs/frequency band. The UE may switch from a first UL Tx chain to a second UL Tx chain, at least one of which may be associated with the one or more CCs/frequency band. The number of antenna ports may correspond to a maximum number of antenna ports of an individual CC of the one or more CCs, or to a sum of antenna ports of the one or more CCs. For the latter, the number of antenna ports may be limited to an available number of UE antenna ports when the sum of antenna ports is greater than the available number of UE antenna ports.

Abstract: Methods, systems, and devices for wireless communication are described. A device may transmit first control signaling indicating a capability for switching between carriers of a group of carriers during uplink communications using carrier aggregation. The group of carriers include three or more carriers that are each associated with different radio frequency bands. The device may receive second control signaling that includes an indication for the device to switch to a subset of carriers of the group of carriers for transmission of an uplink message. The subset of carriers may be associated with a combination of radio frequency bands. The device may transmit the uplink message on at least one of the subset of carriers in accordance with a mapping between the combination of radio frequency bands and the at least one of the subset of carriers, where the mapping is based on the capability.

Abstract: Various aspects include methods for supporting Enhancement for Television (ENTV) service delivery to a user equipment (UE) in a fifth generation new radio (5G-NR) radio access network (RAN). Various aspects may include generating an ENTV capability message, the ENTV capability message indicating one or more ENTV parameters of the UE, and sending the ENTV capability message to a Next Generation NodeB (gNB) of the 5G-NR RAN. Various aspects may include receiving a ENTV capability message from the UE, the ENTV capability message indicating one or more ENTV parameters of the UE, determining one or more radio resource configurations for the UE based at least in part on the one or more ENTV parameters of the UE, and generating a configuration message indicating the one or more radio resource configurations for the UE, and sending the configuration message to the UE.

Abstract: Embodiments include methods of testing wireless devices for beam forming performance. Various aspects may include determining measurements of communication performance of the wireless device at each of a number of different angular orientations of the wireless device with respect to an antenna within a test chamber, and determining whether the wireless device satisfies beam forming performance requirements by comparing the measurements of communication performance to pass/fail criteria. Further embodiments may include a wireless device testing apparatus configured to perform testing wireless devices for beam forming performance. In some embodiments, a wireless device testing apparatus may include a test chamber, an antenna within the test chamber, a rotatable positioning system within the test chamber configured to hold a wireless device and rotate the wireless device within a range of orientations with respect to the antenna, and a computing device coupled to the antenna and the rotatable positioning system.

Abstract: Provided are a plated steel sheet for hot press forming including: a base steel sheet containing, by wt %, 0.14 to 0.5% of C, 0.001 to 1% of Si, 0.3 to 4% of Mn, 0.001 to 0.015% of P, 0.0001 to 0.02% of S, 0.001 to 0.1% of Al, 0.001 to 1% of Cr, 0.001 to 0.02% of N, 0.1% or less of Ti, 0.01% or less of B, 0.005 to 0.1% of Sb, and a balance of Fe and unavoidable impurities; an aluminum or aluminum alloy plating layer provided on at least one surface of the base steel sheet; and a Sb-rich layer provided between the base steel sheet and the plating layer, wherein the plated steel sheet for hot press forming satisfies the following Relational Expressions 1-1 and 1-2, a hot press formed member manufactured using the same, and methods for manufacturing the plated steel sheet for hot press forming and the hot press formed member. [Relational Expression 1-1] Sb max Sb coat ? 1.2 [Relational Expression 1-2] ( S ? b max - Sb c ? o ? a ? t ) 2 × ? ? t ? 0.

Abstract: Methods, systems, and devices for wireless communications are described. Random access channel (RACH) occasions may be scheduled on each component carrier (CC) of a carrier aggregation (CA) configuration that includes both a time division duplexing (TDD) TD Raid band and at least one frequency division duplexing (FDD) band based on a synchronization signal/physical broadcast channel block (SSB) received in the TDD band. In some cases, the TDD band may be used to configure the RACH occasions in same and/or different CCs. Additionally or alternatively, the FDD band may configure the RACH occasions on its uplink CC based on SSBs received on other CCs. Additionally, the RACH occasions may be configured such that the UE avoids unavailable uplink slots when transmitting a first RACH message in a RACH occasion.

Abstract: This disclosure provides systems, methods and apparatuses for switching configurations for uplink transmission switching. A user equipment (UE) may receive, from a network entity such as a base station, a switching configuration for an uplink transmission switching for three or more carriers. The switching configuration may be associated with switching one or more uplink transmission chains of the UE from or to one or more carriers of the three or more carriers within a time period. The switching configuration may be associated with a UE capability. The switching configuration may permit switching from or to one carrier within the time period associated with the UE capability. The switching configuration may permit switching from or to two carriers within the time period associated with the UE capability. The switching configuration may depend on the UE capability, thereby not causing the uplink transmission switching to degrade a performance of the UE.

Abstract: An aircraft assembly system includes a jig; and a position adjuster connected to the jig and configured to adjust a position of the jig, wherein the jig includes a ball stud between the jig and the position adjuster, and the position adjuster includes a socket in which at least a portion of the ball stud is accommodated and in which the ball stud is rotatably fastened.

Abstract: The present application provides an image processing method, an image processing device, a computer storage medium and a terminal, the image processing method includes: determining convolution kernels of at least two sizes for feature extraction; performing sparsity constraint for the determined convolution kernels of at least two sizes for feature extraction through a preset objective function; and performing feature extraction on an image based on the convolution kernels subjected to the sparsity constraint.