Abstract: The present invention relates to a 6-(isooxazolidin-2-yl)-N-phenylpyrimidin-4-amine derivative, and a pharmaceutical composition for preventing or treating cancer comprising the compound as an effective component. The compound exhibits high inhibitory activity against an epidermal growth factor receptor (EGFR) variant, or wild-type or variants of one or more of ERBB2 and ERBB4, and thus may be usefully used in the treatment of cancers in which same are expressed. In particular, the compound exhibits excellent inhibitory activity on proliferation of lung cancer cell lines, and thus can be usefully used in the treatment of lung cancer.

Abstract: A method of recovering a solvent including: supplying polymerization reactants including one or more monomers and a solvent to a reactor to obtain a polymer solution; supplying a stream including the polymer solution to a separator to separate an upper discharge stream including the solvent, wherein the solvent is in a gaseous phase, and a lower discharge stream including the polymer solution; heating a divergence stream including a part of the lower discharge stream from the separator by a heating device and refluxing the divergence stream to the separator; supplying a residue stream including a remainder of the lower discharge stream from the separator to a steam stripping process unit; and adjusting a vapor mass fraction of the divergence stream which is refluxed to the separator with a pressure adjustment valve after being heated by the heating device.

Abstract: Disclosed is non-woven fabric for a vehicle internal material, a manufacturing method of the non-woven fabric, and a cargo screen for a vehicle using the non-woven fabric for a vehicle internal material, wherein the manufacturing method of non-woven fabric for a vehicle internal material is configured to includes forming a felt by mixing LM PET (Low melting polyethylene terephthalate) staple fibers having a melting point in the range of 120 to 140° C. and 150 to 170° C. and PET staple fibers; and thermo-compression molding the felt.

Abstract: Provided is a method for recovering and reusing an active material from a positive electrode scrap.

Abstract: A silicon-carbon complex comprising carbon-based particles and silicon-based particles, wherein the silicon-based particles are dispersed and positioned on surfaces of the carbon-based particles, the carbon-based particles have a specific surface area of 0.4 m2/g to 1.5 m2/g, and the silicon-based particles are doped with one or more elements selected from the group consisting of Mg, Li, Ca, and Al, and a negative electrode active material for lithium secondary battery comprising the same.

Abstract: The present invention relates to a heteroaryl derivative compound and a use thereof. Since the heteroaryl derivative of the present invention exhibits excellent inhibitory activity against EGFR, the heteroaryl derivative can be usefully used as a therapeutic agent for EGFR-associated diseases.

Abstract: A method of preparing a block copolymer composition is provided. The method includes: adding an aromatic vinyl monomer and a compound represented by Chemical Formula 1 to a hydrocarbon-based solvent and performing stirring to prepare a first mixed solution; adding a polymerization initiator to the first mixed solution and performing polymerization to prepare a second mixed solution; adding a conjugated diene-based monomer to the second mixed solution and performing polymerization to prepare a third mixed solution; and adding a coupling agent to the third mixed solution to perform a coupling reaction, An asphalt composition including the block copolymer composition prepared therefrom, is also provided.

Abstract: A method of recovering a solvent including: supplying polymerization reactants including one or more monomers and a solvent to a reactor to obtain a polymer solution; supplying a stream including the polymer solution to a separator to separate an upper discharge stream including the solvent, wherein the solvent is in a gaseous phase, and a lower discharge stream including the polymer solution; heating a divergence stream including a part of the lower discharge stream from the separator by a heating device and refluxing the divergence stream to the separator; supplying a residue stream including a remainder of the lower discharge stream from the separator to a steam stripping process unit; and adjusting a vapor mass fraction of the divergence stream which is refluxed to the separator with a pressure adjustment valve after being heated by the heating device.

Abstract: A hot melt adhesive composition is provided that includes: a diblock copolymer including a styrene-based monomer-derived unit and a conjugated diene-based monomer-derived unit; a triblock copolymer which is a coupled polymer of the diblock copolymer; and a crosslinked block copolymer including a crosslinking agent-derived crosslinked part crosslinked with two or more of the diblock copolymer and the triblock copolymer. The conjugated diene-based monomer-derived unit includes an isoprene-derived unit and an epoxidized isoprene rubber.

Abstract: Provided is a block copolymer composition, and more particularly, a block copolymer composition including a diblock copolymer and a triblock copolymer. The diblock copolymer includes a first block containing a first conjugated diene-based monomer-derived repeating unit and a second block containing a first vinyl aromatic monomer-derived repeating unit, and a functional group derived from a modified initiator represented by the Chemical Formula 1 (see description of the invention) is included at one end of the diblock copolymer. A method of preparing the same, and an asphalt composition including the same, are provided.

Abstract: A method for processing medical examination data performed by a computing device, including determining a time interval that is last increased in a first repeating as an optimal time interval, configuring a feature matrix having a time axis according to the optimal time interval, and by using the feature matrix, setting a look-back window size to a predetermined initial size to obtain a performance evaluation result of the trained RNN-based model, second repeating increasing the look-back window size and then obtaining a second performance evaluation result of the RNN-based model trained according to the increased look-back window size until the second performance evaluation result is no longer improved, determining the look-back window size that is last increased in the second repeating as an optimal look-back window size and training the RNN-based model according to the optimal look-back window size by using the feature matrix having the optimal time interval.

Abstract: Provided is a block copolymer composition, and more particularly, a block copolymer composition including a diblock copolymer and a triblock copolymer. The diblock copolymer includes a first block containing a first conjugated diene-based monomer-derived repeating unit and a second block containing a first vinyl aromatic monomer-derived repeating unit, and a functional group derived from a modified initiator represented by the Chemical Formula 1 (see description of the invention) is included at one end of the diblock copolymer. A method of preparing the same, and an asphalt composition including the same, are provided.

Abstract: A method of preparing a block copolymer composition is provided. The method includes: adding an aromatic vinyl monomer and a compound represented by Chemical Formula 1 to a hydrocarbon-based solvent and performing stirring to prepare a first mixed solution; adding a polymerization initiator to the first mixed solution and performing polymerization to prepare a second mixed solution; adding a conjugated diene-based monomer to the second mixed solution and performing polymerization to prepare a third mixed solution; and adding a coupling agent to the third mixed solution to perform a coupling reaction, An asphalt composition including the block copolymer composition prepared therefrom, is also provided.

Abstract: This invention relates to a method of analyzing an aldehyde compound in a metal plating solution, including adding a pH control solution to an aldehyde derivative, thus preparing an oversaturated aldehyde derivative solution in which the aldehyde derivative is dissolved to be oversaturated while the pH of the aldehyde derivative solution is adjusted to be the same as that of the metal plating solution; adding the oversaturated aldehyde derivative solution to the metal plating solution, so that the aldehyde compound which is present in the metal plating solution undergoes derivation, thus obtaining an aldehyde derivative compound; extracting the aldehyde derivative compound; and analyzing the aldehyde compound from the extracted aldehyde derivative compound.

Abstract: Disclosed herein is a printed circuit board, including: a base substrate on which a connection pad is formed; a dam spaced apart from one side of the connection pad; and a protective layer formed to surround the dam.

Abstract: There is provided a method for performing a pretreatment on an unknown sample including: preparing a plurality of different types of first solutions; adding an unknown sample to the plurality of first solutions and determining whether or not the unknown sample is dissolved; selecting one among the plurality of first solutions in which the unknown sample is dissolved; preparing a plurality of second solution by differentiating concentrations of the selected solution; adding an unknown sample to the second solution and determining whether or not the unknown sample is dissolved; selecting a solution having the lowest concentration in which the unknown sample can be dissolved from among the second solutions; and dissolving the unknown sample by using the solution having the lowest concentration.