Seoul, South Korea

Seoul National University

www.snu.ac.kr
Seoul, South Korea

Seoul National University is a national research university founded in 1946, located in Seoul, the capital of Korea. It is widely considered to be the most prestigious university in the country.The university comprises sixteen colleges and six professional schools, and a student body of about 28,000. It has two campuses in Seoul: the main campus in Gwanak and the medical campus in Jongno. According to data compiled by KEDI, the university spends more on its students per capita than any other university in the country that enrolls at least 10,000.The university holds a memorandum of understanding with over 700 academic institutions in 40 countries, the World Bank, and the country's first ever general academic exchange program with the University of Pennsylvania. The Graduate School of Business offers dual master's degrees with Duke University, ESSEC Business School, and the Peking University, double-degrees at the MIT Sloan School of Management and Yale School of Management, and MBA-, MS-, and PhD-candidate exchange programs with universities in ten countries on four continents. The university's international faculty headcount is 242 or 4% of the total. Nobel laureate Paul Crutzen and Fields Medal recipient Hironaka Heisuke are on the faculty roster. Wikipedia.


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The present disclosure relates to a 5G or pre-5G communication system to be provided in order to support higher data rates after a 4G communication system, such as an LTE system. A method for receiving buffer status information by an access point in a wireless communication system is provided. In the method, a contention sub-slot and a dedicated sub-slot are determined for each station connected to the access point, a data trigger action frame is generated based on a first element including allocation information on the dedicated sub-slot to be used by a related station in a buffer status report (BSR) phase where each of the stations transmits buffer status information to the access point, the generated data trigger action frame is broadcasted to the stations, and a BSR frame transmitted based on the data trigger action frame is received from each of the stations.


A random access method may include receiving a random access preamble that is uniquely allocated to a User Equipment (UE) from the UE on an extended-Physical Random Access Channel (e-PRACH) and identifying the UE based on the random access preamble.


Patent
Seoul National University | Date: 2016-08-18

An apparatus and method for diagnosing rotor shaft are disclosed herein. The apparatus for diagnosing a rotor shaft that is installed in a bearing so that the rotor shaft is rotated around an axis of rotation includes a measurement unit, a calculation unit, an image generation unit, and a diagnosis unit. The measurement unit measures first vibration signals at two points of the rotor shaft located on a surface perpendicular to the axis of rotation. The calculation unit generates second vibration signals, which are vibration signals at points located in a plane identical to the plane of the two points of the rotor shaft at which the first vibration signals are measured, based on the first vibration signals. The image generation unit generates an image based on the second vibration signals. The diagnosis unit diagnoses the rotor shaft based on the generated image.


Patent
Hyundai Motor Company and Seoul National University | Date: 2016-09-30

A method of predicting NOx generation amount of a compression ignition engine is provided. The method includes predicting a composition ratio of a gas in a mixture and a flame temperature using driving variables of an engine and calculating a nitrogen oxide generation rate using the composition ratio of the gas in the mixture and the flame temperature. Additionally, a nitrogen oxide generation concentration around flame is calculated using the nitrogen oxide generation rate and a total nitrogen oxide generation amount of a cylinder is predicted using the nitrogen oxide generation rate and the nitrogen oxide generation concentration.


Patent
Seoul National University and Nano Intelligent Biomedical Engineering Co. | Date: 2017-07-12

The present invention relates to a fat accumulation inhibitory peptide which essentially comprises an amino acid sequence represented by SEQ ID NO: 1, a pharmaceutical composition for preventing or treating obesity, which contains the peptide, and a health functional food for preventing or alleviating obesity, which contains the peptide. The fat accumulation inhibitory peptide according to the present invention has the function of inhibiting the differentiation of mesenchymal stem cells into adipocytes to thereby inhibit the accumulation of adipose tissue. Thus, the peptide according to the present invention is highly useful for the prevention or treatment of obesity.


Patent
LG Corp and Seoul National University | Date: 2017-07-19

The present invention relates to a method for preparing graphene using a novel block copolymer. The present invention has features that, by using the block copolymer to mediate graphene that is hydrophobic and a solvent of a feed solution that is hydrophilic, the exfoliation efficiency of graphene as well as the dispersion stability thereof can be increased during high-pressure homogenization.


Patent
Samsung and Seoul National University | Date: 2017-03-30

A method of processing an image by using an image processing apparatus is provided. The method includes acquiring, by the image processing apparatus, a target image, extracting a shape of a target object included in the target image, determining a category including the target object based on the extracted shape, and storing the target image by mapping the target image with additional information including at least one keyword related to the category.


Disclosed are a composite material for cathode materials in a secondary battery, a method of manufacturing the same, and a lithium secondary battery including the same. A composite material for cathode materials in a secondary battery includes: a charge carrier ion compound-carbon composite including a carbon particle and a charge carrier ion compound particle represented by general formula of A_(x)D_(y )and dispersed on a surface of the carbon particle; and a transition metal compound represented by a general formula of M_(z)R_(w). In the general formulae of A_(x)D_(y )and M_(z)R_(w), A, D, M, R, x, y, z, and w are as defined in the detailed description.


Patent
Samsung and Seoul National University | Date: 2017-01-13

An apparatus and method for detecting a foreground in an image is provided, and the foreground detecting apparatus includes a context information estimator configured to estimate context information on a scene from an image frame of the image, a background model constructor configured to construct a background model of the image frame using the estimated context information, and a foreground detector configured to detect a foreground from the image frame based on the constructed background model.


Patent
Seoul National University | Date: 2017-01-25

The present invention relates to a HEA foam prepared by selective dissolution of a second phase within a two-phase separating alloy comprising the HEA and a manufacturing method thereof. The manufacturing method of the HEA foam of the present invention has the effect of preparing a novel HEA foam, which was not available in the past, by leaving only a first phase after manufacturing a two-phase separating alloy comprising a first phase by HEA, wherein at least 3 metal elements act as a common solvent. Furthermore, the HEA foam of the present invention has a structure, wherein pores are distributed inside the HEA, in which at least 3 metal elements act as a common solvent. By adding a functional characteristic of low heat conductivity, etc., to the existing high strength characteristic of HEA, the HEA foam of the present invention can exhibit a complex effect by the combination of the two particular effects, thereby being capable of exhibiting excellent physical characteristics.

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