Abstract: A method for screening a solvent for extracting polyvinyl chloride (PVC) from waste using the following Equation 1: PVC ? swelling ? score = x 1 ? Dipole + x 2 ? Asphericity + x 3 ? dH + x 4 ? Polar ? Surface ? Area where x1, x2, x3, and x4 are each a real number from 0 to 5, Dipole is a dipole moment of solvent molecules, Asphericity is an asphericity of the solvent molecules, dH is a Hansen solubility parameter for a hydrogen bonding of the solvent molecules, and Polar Surface Area is a fractional polar surface area. A method for recycling waste is also provided. Additionally, a recycled polyvinyl chloride and a recycled composition are provided.

Abstract: A method for screening a solvent for extracting polyvinyl chloride (PVC) from waste using the following Equation 1: PVC ? solubility ? score = x 1 ? exp ? ( - x 2 ? ? pvc sol - x 3 ? ? dop sol ) + x 4 ? exp ? ( - x 5 ? r pvc - x 6 ? r dop ) - x 7 ? exp ? ( - x 8 ? V sol ) + x 9 , ?ij is a chemical potential of the solvent, and in ?ij, i is a solute and j is the solvent, ri is a Hansen solubility parameter distance of the solvent, Vsol is a molecular volume of the solvent, sol is the solvent, pvc is polyvinyl chloride, and dop is diethylhexyl phthalate. A method for recycling waste is also provided. Additionally, a recycled polyvinyl chloride and a recycled composition are provided.

Abstract: A method for screening a solvent for extracting acrylonitrile-butadiene-styrene (ABS) from waste using the following Equation 1: EScore=X1 exp(?mixE)+x2[log(x3Mvola)+log(x4HSPb)]+c, where mixE is the mixing energy between ABS and the solvent, Mvol is the molar volume of the solvent, HSP is the Hansen solubility parameter, x1, x2, x3, and x4 are each a real number from ?1 to 1, a and b are each a real number from 0 to 1, and c is a real number from ?10 to 10. A method for recycling waste having ABS is also provided. Additionally, a recycled acrylonitrile-butadiene-styrene copolymer and a recycled acrylonitrile-butadiene-styrene copolymer composition_are provided.

Abstract: A method for screening a solvent for extracting acrylonitrile-butadiene-styrene (ABS) from waste using the following Equation 1: ABS solubility score=x1 Log10Molecular Weight+x2IAC_Mean where Molecular Weight is the molecular weight of the solvent, IAC_Mean is the average information by an atomic number, and x1 and x2 are each a real number from 0 to 5. A method for recycling waste having ABS including screening the solvent using Equation 1 and extracting the ABS from the waste using the screened solvent is also provided. Additionally, a recycled acrylonitrile-butadiene-styrene copolymer and a recycled acrylonitrile-butadiene-styrene copolymer composition are provided.

Abstract: A method of operating a link enhancement layer includes generating an expandable flexible flit related to a request or a response of a compute express link (CXL) transaction layer, and transmitting the expandable flexible flit to another link enhancement layer connected to the link enhancement layer. The expandable flexible flit is terminated in the other link enhancement layer.

Abstract: Provided are a processing system and method for increasing memory resources. The method includes generating, by a host node, a device memory resource request and transmitting the device memory resource request to a network manager, providing, by the network manager, memory node information and connection information to the host node in response to the memory resource request, generating, by the host node, an optical link frame corresponding to the request, connecting, by the network manager, a memory node whose memory resources are available and the host node by controlling an optical switch, and communicating, by the host node and the memory node of which memory resources are available, with each other using a light signal corresponding to the optical link frame.

Abstract: A system for cooperation of disaggregated computing resources interconnected through an optical circuit, and a method for cooperation of disaggregated resources are disclosed. Functional block devices such as a processor block, an accelerator block, and a memory fabric block exist at a remote location, and these three types of remote functional block devices are interconnected and interoperated in a specific program to perform a cooperative computation and processing process. Accordingly, the system shares data and information of a memory existing in each block through optical signal interconnection that provides low-latency, fast processing, and wide bandwidth, and maintains cooperation and memory coherency.

Abstract: The present disclosure relates to a crosslinked structure-containing polyolefin porous support which has a number of double bonds present in the polyolefin chains of 0.01-0.6 per 1000 carbon atoms, as determined by 1H-NMR, and includes a crosslinked structure having polymer chains interconnected directly with one another, a crosslinked structure-containing separator for a lithium secondary battery including the same and a method for manufacturing the same, and a lithium secondary battery including the separator. The crosslinked structure-containing separator for a lithium secondary battery has improved high-temperature safety, and thus can minimize degradation of the performance of a lithium secondary battery including the separator, even after storing the lithium secondary battery at high temperature.

Abstract: Provided is a method of generating direction vectors of particles. The method includes calculating, by a processor, a center of gravity of the particles on the basis of characteristic values of one or more particles in a cluster including the particles, and generating, by the processor, direction vectors of the particles on the basis of the center of gravity.

Abstract: Provided are a memory access method and a server for performing the same. A memory access method performed by an optical interleaver included in a server includes receiving a request message from a requester processing engine included in the server, setting receiving buffers corresponding to different wavelengths corresponding to the number of external memory/storage devices connected to the server, multiplexing the same request message at the different wavelengths according to a wavelength division multiplexing (WDM) scheme, and transmitting the multiplexed request messages to the respective external memory/storage devices, wherein an address of a virtual memory managed by the server is separated and stored according to an interleaving scheme by a responder included in each of the external memory/storage devices.

Abstract: A method for preparing an acrylonitrile dimer according to the present disclosure makes it is possible to efficiently recover an acrylonitrile dimerization catalyst while reducing the process load.

Abstract: Provided is a technology for operating a radio signal positioning database for object position tracking or search. Specifically, provided is a positioning database computing method and apparatus for generating and updating positioning data constituting a radio positioning database. The positioning database computing method includes comparing collected data received from a collection apparatus with positioning data in an existing positioning database to determine similarity therebetween, updating the existing positioning database using the collected data, upon determining that the data is similar as a result of comparison, and generating positioning data in the positioning database using the collected data, upon determining that the data is not similar as the result of comparison. Therefore, it is possible to gradually update the positioning DB even with partial collected data collected newly, so that it is possible to effectively manage the positioning DB reflecting the latest positioning environment.

Abstract: An apparatus for estimating location of a location request terminal receives a location request signal including first wireless communication infrastructure measurement information through a first wireless communication infrastructure of first coverage range and a second wireless communication infrastructure measurement information through a second wireless communication infrastructure of second coverage range greater than the first coverage range, estimates different types of second wireless communication infrastructure measurement information measured at the same location as the location request terminal, generates extended second wireless communication infrastructure measurement information by combining the second wireless communication infrastructure measurement information and the estimated second wireless communication infrastructure measurement information, and determines location of the location request terminal through comparison between a location DB storing the measurement information collected thr

Abstract: A method and apparatus for allocating a memory address in a resource-centric network are disclosed. The method of allocating a memory address may include receiving a request for a new service, determining whether the new service is able to be accommodated in a virtual memory that is pre-allocated in a resource-centric network, when the new service is able to be accommodated, allocating a memory area for accommodating the new service to the virtual memory, and when the new service is not able to be accommodated, allocating the memory area by using an additionally allocated area of a virtual memory of the resource-centric network.

Abstract: Provided are a memory access method and a server for performing the same. A memory access method performed by an optical interleaver included in a server includes receiving a request message from a requester processing engine included in the server, setting receiving buffers corresponding to different wavelengths corresponding to the number of external memory/storage devices connected to the server, multiplexing the same request message at the different wavelengths according to a wavelength division multiplexing (WDM) scheme, and transmitting the multiplexed request messages to the respective external memory/storage devices, wherein an address of a virtual memory managed by the server is separated and stored according to an interleaving scheme by a responder included in each of the external memory/storage devices.

Abstract: A method for preparing an acrylonitrile dimer according to the present disclosure makes it is possible to efficiently recover an acrylonitrile dimerization catalyst while reducing the process load.

Abstract: Disclosed are a disaggregated data center resource management method and apparatus. A resource management method in a disaggregated data center includes receiving a resource allocation request from a client; generating allocated resource information about a computing resource and a memory resource which configure a virtual server in one rack of the data center according to the resource allocation request and optical path setting information for optical path connection of the computing resource and the memory resource; updating a resource management table for the computing resource and the memory resource; and transmitting a resource connection setting message including the allocated resource information and the optical path setting information to the computing resource and the memory resource.

Abstract: A memory access controlling device and method in a parallel processing system are disclosed. The memory access controlling device includes an optical transceiver configured to receive an optical signal including a memory access frame from an optical circuit switch (OCS), a memory access controller configured to perform a scheduling operation and a memory access control operation based on the memory access frame and transmit a memory processing instruction and memory address information to a memory controller, and the memory controller configured to perform at least one of memory data read or memory data write based on the memory processing instruction and the memory address information. The memory access controller includes a plurality of header processors and is configured to control memory processing instructions to be performed in sequential order based on connection information between each of the header processors and a target memory.

Abstract: A system for cooperation of disaggregated computing resources interconnected through an optical circuit, and a method for cooperation of disaggregated resources are disclosed. Functional block devices such as a processor block, an accelerator block, and a memory fabric block exist at a remote location, and these three types of remote functional block devices are interconnected and interoperated in a specific program to perform a cooperative computation and processing process. Accordingly, the system shares data and information of a memory existing in each block through optical signal interconnection that provides low-latency, fast processing, and wide bandwidth, and maintains cooperation and memory coherency.

Abstract: A laser transmitting and receiving module for a light detection and ranging (LiDAR) may include a laser light source; a transmission optical phased array (OPA) device configured to emit laser light from the laser light source into a two-dimensional (2D) area; a reception OPA device configured to receive reflected laser light after being emitted by the transmission OPA device; a mixer configured to mix the laser light with the reflected laser light received by the reception OPA device; and a photo detector configured to detect an optical signal mixed by the mixer.