Abstract: The present disclosure relates to a novel polypeptide having an ability to export an ornithine-based product, and a method for producing an ornithine-based product using the same.

Abstract: The present invention relates to an alkoxysilylated epoxy compound, a composite exhibiting good heat resistance properties, low CTE and high glass transition temperature and not requiring a coupling agent, a composition including the same, a cured product formed of the composition, a use of the cured product, and a method of preparing the epoxy compound having alkoxysilyl group. An epoxy compound having an epoxy group and an alkoxysilyl group, a composition including the epoxy compound, a curing agent, a filler and/or a reaction catalyst, a cured product of the composition, and a use of the composition including an electronic part are provided. In a composite and/or cured product, the epoxy composition exhibits improved heat resistance properties, decreased CTE, and increased glass transition temperature or Tg-less. The cured product exhibits good flame retardant properties by the introduction of the alkoxysilyl group.

Abstract: Disclosed is a game test automation device capable of automating a game test. The 0game test automation device can comprise: a database for storing test procedure information, which is a combination of game scripts to be tested in a game service; and a testing unit for testing game build of the game service on the basis of the test procedure information, and creating game state information derived in the testing process and a test report on the test.

Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.

Abstract: The present disclosure relates to a novel polypeptide having an ability to export an ornithine-based product, and a method for producing an ornithine-based product using the same.

Abstract: The present invention relates to a novel compound having an alkoxysilyl group and an active ester group, a method for preparing the same, a composition comprising the same, and a use, wherein the novel compound exhibits improved low moisture absorption and/or low dielectric properties when cured as an epoxy composition, but is not accompanied by loss of thermal expansion characteristics. Disclosed are a novel compound of formulae AF to LF having an alkoxysilyl group and an active ester group, and a method for preparing the same, a composition comprising the same, and a use of same.

Abstract: A memory device includes gate electrode layers stacked on an upper surface of a substrate and each including a plurality of unit electrodes extending in a first direction, and a plurality of connecting electrodes connecting the unit electrodes to each other. The memory device also includes channel structures extending through the gate electrode layers in a direction perpendicular to the upper surface of the substrate, first common source lines extending in the first direction and interposed between the unit electrodes, and second common source lines extending in the first direction between the first common source lines and each having a first line and a second line separated from each other in the first direction by the connecting electrodes.

Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 42% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.

Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amine acid sequence having 42% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.

Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.

Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 55% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.

Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 55% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.

Abstract: The present invention relates to a novel epoxy compound, a method for preparing same, a composition and cured product comprising same, and use thereof, wherein the compound shows excellent heat-resistant properties—specifically, a low thermal expansion property and a high glass transition temperature (including Tg-less which does not show a glass transition temperature), a flame retardant property and processability—specifically, a viscosity-control property, does not require a separate silane coupling agent, and has improved brittleness in a composite. According to one aspect of the present invention, provided are: an epoxy compound having at least one non-reactive silyl group, alkenyl group or combination thereof together with at least two epoxy groups and at least one alkoxysilyl group; a method for preparing the epoxy compound through alkoxysilylation and alkylsilylation; an epoxy composition comprising same; and a cured product.

Abstract: A memory device includes gate electrode layers stacked on an upper surface of a substrate and each including a plurality of unit electrodes extending in a first direction, and a plurality of connecting electrodes connecting the unit electrodes to each other. The memory device also includes channel structures extending through the gate electrode layers in a direction perpendicular to the upper surface of the substrate, first common source lines extending in the first direction and interposed between the unit electrodes, and second common source lines extending in the first direction between the first common source lines and each having a first line and a second line separated from each other in the first direction by the connecting electrodes.

Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.

Abstract: A new novolac curing agent with an alkoxysilyl group exhibiting excellent heat resistance such as a low CTE and an high Tg when a composite is formed, a preparing method of the same, a composition including the same, a cured article, and an use thereof, are provided. The new novolac curing agent having an alkoxysilyl group of Formulae I-1 to I-4, a preparing method of the new novolac curing agent by alkenylation and alkoxysilylation of the novolac curing agent, a preparing method of the new novolac curing agent by alkoxysilylation of a novolac curing agent, a composition including a novolac curing agent having an alkoxysilyl group of Formulae I-1 to I-4, a cured article and a use thereof, are provided. A composite including a novel novolac curing agent having an alkoxysilyl group exhibits a low CTE and a high glass transition temperature.

Abstract: A negative electrode active material for a secondary battery is provided. The negative electrode active material is composed of a composite including a metal element-doped inorganic particle or inorganic oxide particle, and a polymer coating layer coated on the metal element-doped inorganic particle or inorganic oxide particle, wherein the metal element is included in an amount of 0.01 to 20 parts by weight based on 100 parts by weight of the inorganic particle or inorganic oxide particle. Also provided are a method for preparing the negative electrode active material and a secondary battery having enhanced lifetime and high-efficiency charge/discharge properties by including the negative electrode active material.

Abstract: Provided is a method for preparing an epoxy compound having an alkoxysilyl group effectively by using a mild catalyst as well as an aromatic alcohol ring-opening agent. The preparation method for an epoxy compound having an alkoxysilyl group includes: performing a ring opening step by reacting an epoxy compound having an epoxide group, which is a starting material, with an aromatic alcohol ring-opening agent in the presence of a phosphine-based catalyst and an optional solvent so as to obtain an intermediate having a partially ring-opened epoxide group; and performing an alkoxysilylation step by reacting the intermediate having a partially ring-opened epoxide with isocyanate alkoxysilane.

Abstract: A method for purifying 1,4-diaminobutane comprising the steps of: separating a second composition including carbonate salt of 1,4-diaminobutane from a first composition including carbonate salt of 1,4-diaminobutane by distillation; and removing carbonate from carbonate salt of 1,4-diaminobutane included in the second composition to recover 1,4-diaminobutane.

Abstract: The present invention relates to a method for preparing carbon nanotubes which are capable of more effectively preparing carbon nanotubes having a uniform and fine size, and a dispersion composition of carbon nanotubes obtained using the same. The method for preparing carbon nanotube comprises the steps of: forming a dispersion comprising carbon nanotube bundles, a dispersant and a solvent; and enabling the dispersion to consecutively pass through a high pressure homogenizer, wherein the dispersant is a mixture of plural kinds of polyaromatic hydrocarbon oxides, and the carbon nanotube bundles are pulverized or disentangled while passing through a microchannel of the high pressure homogenizer under a shear force to form carbon nanotubes.