Abstract: A plasmonic all-optical switch includes a graphene layer, a first dielectric layer located on the graphene layer, a nano-antenna located on the first dielectric layer, and a second dielectric layer located on the nano-antenna. An incident beam is propagated by means of a surface plasmon wave generated at an interface between the graphene layer and the first dielectric layer. Further, localized surface plasmon resonance is selectively generated at an interface between the nano-antenna and the second dielectric layer by means of a pump beam incident to the nano-antenna to decrease an intensity of the incident beam. The plasmonic all-optical switch may operate at an ultrahigh speed just with a small light energy without any electric method, greatly reduce power consumption of an IT device by applying to an all-optical transistor or the like, and increase a processing rate.

Abstract: The invention relates to a method and a device for detecting, measuring and evaluating defects in an object and/or specific material property of an object using a phased array wave technique. The device comprises of a phased array transceiver probe/source and control unit for use in a phased array wave technique for transmitting and receiving wave signals on and from the area to be inspected. The phased array source is divided into a plurality of virtual probes/sources and each virtual probe/source comprises of plurality of elements arranged sequentially but without phasing for excitation.

Abstract: The present invention relates to a mesopore material of a catalyst for upgrading acid-containing crude oil. Said mesopore material is an amorphous material containing alkaline earth oxide, silica and alumina, and has an anhydrous chemical formula of (0-0.3)Na2O.(1-50)MO.(6-58)Al2O3.(40-92)SiO2, based on the weight percent of the oxides, wherein M is one or more selected from Mg, Ca and Ba. Said mesopore material has a specific surface area of 200-400 m2/g, a pore volume of 0.5-2.0 ml/g, an average pore diameter of 8-20 nm, and a most probable pore size of 5-15 nm. The present invention further relates to a process for manufacturing said mesopore material and the use thereof. The catalyst prepared from the mesopore material provided in the present invention is suitable for the catalytic upgrading of inferior acid-containing crude oil and for the removal of organic acids, carbon residues and metals in the crude oil, and thus has very good economic benefits.

Abstract: A tumor-targeting gas-generating nanoparticle, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same relate to a tumor-targeting gas-generating nanoparticle including a polycarbonate core and a amphiphilic coat, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same. Since a tumor-targeting gas-generating nanoparticle according to the present disclosure is accumulated in the tumor tissue in large quantity and generates strong ultrasound wave signals, it can be usefully used as a contrast agent for ultrasonic imaging.

Abstract: A method for manufacturing a semiconductor structure comprises the following steps: providing an SOI substrate and forming a gate structure on the SOI substrate; implanting ions to induce stress in the semiconductor structure by using the gate structure as mask to form a stress-inducing region, which is located under the BOX layer on the SOI substrate on both sides of the gate structure. A semiconductor structure manufactured according to the above method is also disclosed. The semiconductor structure and the method for manufacturing the same disclosed in the present application form on the ground layer a stress-inducing region, which provides favorable stress to the semiconductor device channel and contributes to the improvement of the semiconductor device performance.

Abstract: The disclosure provides a zinc oxide anti-reflection layer having a syringe-like structure and method for fabricating the same. The zinc oxide anti-reflection layer includes: a zinc oxide lower portion, wherein the zinc oxide lower portion has a nanorod array structure; and a zinc oxide upper portion connected to the zinc oxide lower portion, wherein the zinc oxide anti-reflection layer has a syringe-like structure.

Abstract: An apparatus and method for orthogonal frequency division multiplexing (OFDM) transmission in a wireless local area network (WLAN) system is disclosed, in which the apparatus for OFDM transmission in the WLAN system includes a signal repetition unit to repeat an encoded signal based on a block unit and output the encoded signal and a repeated signal, an interleaver to interleave the encoded signal and the repeated signal and output an interleaved signal, a modulator to modulate the interleaved signal and output modulated symbols, and a phase rotation unit to phase shift the modulated symbols.

Abstract: An apparatus for creating a radio map includes a radio signal acquiring unit that acquires information on radio signals between one or more cooperative intelligent robots, a radio environment modeling unit that estimates radio strength for each cell configuring the radio map from the information on radio signals acquired by the radio signal acquiring unit, and a radio map creating unit that classifies a communication region of each cell and models the radio map according to the radio strength for each cell estimated by the radio environment modeling unit.

Abstract: Disclosed is a combination process for improved hydrotreating and catalytic cracking of hydrocarbon oils, including: contacting residual oil, catalytic cracking cycle oil, and optional distillate oil with a hydrotreating catalyst under hydrotreating conditions in the presence of hydrogen followed by separation of the reaction products to obtain hydrogenated tail oil and other products; contacting the hydrogenated tail oil and optional normal catalytic cracking feedstock oil with a cracking catalyst under catalytic cracking conditions followed by separation of the reaction products; wherein the hydrogenated tail oil and/or normal catalytic cracking feedstock oil are separated into at least two fractions prior to contacting the hydrogenated tail oil and/or normal catalytic cracking feedstock oil with the cracking catalyst.

Abstract: A phacoemulsificator for the removal of lens tissue, wherein the phacoemulsificator contains: a power source configured to provide pulsed electrical power, and a pump configured to provide vacuum, characterized in that the phacoemulsificator contains at least one eye ring connectable to the pump wherein the proximal end of said eye ring is suitable to be applied onto an ocular globe and means to generate ultrasound beam connectable to the power source wherein said means are fixed on the distal end of the eye ring.

Abstract: Methods and apparatus for providing suggested completions to search results are disclosed which employ locating nodes in a stored ontology, wherein nodes consist of classes or instances of information, that correspond to the at least one search term, retrieving neighbors of located nodes in the stored ontology, and generating suggested completions in a format which separates homonymic terms. Methods and apparatus are disclosed for building ontologies and dynamically expanding ontologies.

Abstract: Provided is a microphone. The microphone includes a substrate including an acoustic chamber, a lower backplate disposed on the substrate, a diaphragm spaced apart from the lower backplate on the lower backplate, the diaphragm having a diaphragm hole passing therethrough, a connection unit disposed on the lower backplate to extend through the diaphragm hole, and an upper backplate disposed on the connection unit, the upper backplate being spaced apart from the diaphragm. Thus, the microphone may be improved in sensitivity and reliability.

Abstract: Novel methods and systems for the accurate and efficient processing of real-time and latent global navigation satellite systems (GNSS) data are described. Such methods and systems can perform orbit determination of GNSS satellites, orbit determination of satellites carrying GNSS receivers, positioning of GNSS receivers, and environmental monitoring with GNSS data.

Abstract: A method and an apparatus for detecting a collision in a wireless multi-access channel are disclosed. The method of detecting the collision in the wireless multi-access according to an exemplary embodiment includes generating a request-to-send (RTS) message by a transmission terminal, transmitting the RTS message to a reception terminal, and receiving a response message from the reception terminal and determining whether a collision occurs based on a number of pieces of tone information included in the response message.

Abstract: A receiver of a communication system includes: an input module, a group-based pre-decoding module and a reconstructing module. The input module is for receiving a received data. The group-based pre-decoding module is for combining the received data with a grouped decoding matrix into an encoded equation matrix (EEM) based on a group parameter and for performing a group operation on the EEM. The reconstructing module is for reconstructing the EEM obtained from the group operation into an output data.

Abstract: Provided are a method of semi-quantitatively evaluating concrete carbonation including the steps of a specimen preparing step of preparing a concrete specimen for identifying a degree of carbonation, a carbonation depth measuring step of measuring a carbonation depth of the specimen by a method of promoting carbonation of the specimen using a carbonation promoting tester and applying an indicator, an X-ray diffraction (XRD) analyzing step of qualitatively analyzing components of the specimen by an XRD method after cutting the specimen from a top end to a predetermined depth and crushing the specimen. Thus, the method of the present invention may calculate the exposure time of concrete carbonation by converting the analysis result value of XRD to the result value of TG-DTA.

Abstract: The present invention relates generally to the field of synthetic crystal, and more particularly, this invention relates to doped low-temperature phase barium metaborate single crystal, growth method and frequency-converter. Molten salt method was adopted. The single crystal completely overcome the shortcomings of BBO with strong deliquescence, almost no deliquescence; its frequency doubling effect and optical damage threshold has improved greatly compared with the BBO; its hardness increased significantly, the single crystal with Shore hardness of 101.3 and Mohs hardness of 6, however, BBO with Shore hardness of 71.2 and Mohs hardness of 4. From the UV-Vis region transmittance curves tests, the cut-off wavelength of the single crystal is 190 nm, wavelength of absorption onset is 205 nm. BBSAG is widely applied in the fields of laser and nonlinear optics, and in terms of frequency-converter of ultraviolet and deep-ultraviolet due to its excellent properties better than BBO.

Abstract: Provided are a packet processing apparatus and method for detecting a duplicate acknowledgement (ACK) packet. The packet processing apparatus initiates a session and then detects a retransmission packet and a duplicate ACK packet from input/output packets using statistic information related to packet retransmission. Accordingly, unnecessary traffic generated regardless of a user's intension can be blocked.

Abstract: The invention relates to a method that low complexity suppression of PAPR in FRFT-OFDM system, which belongs to the field of broadband wireless digital communications technology and can be used to reduce the PAPR in FRFT-OFDM system. The method is based on fractional random phase sequence and fractional circular convolution theorem, which can effectively reduce the PAPR of system. The method of the invention has the advantages of simple system implementation and low computational complexity. In this method, the PAPR of the system can be effectively reduced while keeping the system reliability. When the number of candidate signals is the same, the PAPR performance of the proposed method was found to be almost the same as that of SLM and better than that of PTS. More importantly, the proposed method has lower computational complexity than that of SLM and PTS.

Abstract: Methods of selecting a chemotherapy regimen for treatment of cancer in a patient are disclosed. A patient genetic sample from a bilary cancer such as cholangiocarcinoma is analyzed for a mutation in ERRFI1 and a chemotherapeutic agent is selected as a result of the analysis. If a mutation in ERRFI1 is present, treatment with an inhibitor of Epidermal Growth Factor Receptor (EGFR) is shown to have inhibitory effects on tumor growth. In this manner, the chemotherapy regimen is targeted to a given mutation in a patient's cancer.