Abstract: A concentration of a fuel supplied to a fuel cell and a heat exchange rate of a heat exchanger are controlled simultaneously in order to maintain a temperature of fuel cell stack and a diluted fuel concentration that is supplied to the fuel cell stack in a target level. Further, by appropriately responding to an exterior temperature changes or unexpected fuel cell performance changes, it is possible to improve a system efficiency and stability of fuel cell operation and to regulate the fuel concentration quickly and accurately compared to a prior sensor-less concentration controller.

Abstract: A coating method for coating a crucible and a quartz crucible for growing a silicon crystal are provided. In the coating method, a bubble-free quartz layer which is 80 ?m to 4 mm thick is formed on an inner surface of a crucible for growing a silicon crystal, and the surface of the bubble-free quartz layer is covered with alkaline earth hydroxide, following which heating is performed to a temperature at which the surface becomes devitrified. The surface may be covered by immersing the inner surface in a solution of the alkaline earth hydroxide. The heating may be performed before the crucible for growing silicon crystal is filled with a solid raw material to be melted.

Abstract: A method for performing anonymous testing on electronic digital data is provided. The method comprises the steps outlined below. At least one electronic digital data is received. A type of the electronic digital data is identified to retrieve a plurality of data fields according to the type of the electronic digital data, in which the data fields further comprises a plurality of data blocks. The data fields and the data blocks are analyzed such that they are categorized as at least one logic operation part and at least one data content part. A data-hiding process is performed on the data content part only to generate output electronic digital data and a subsequent analysis is performed on the output electronic digital data.

Abstract: A demand response determination apparatus and a demand response determination method thereof are provided. The demand response determination apparatus connects to an electric power system via a network. The demand response determination apparatus receives power consumption information from the electric power system and decides a power consumption mode of the electric power system according to the power consumption information. The demand response determination apparatus calculates demanded power according to the power consumption mode and determines whether the demanded power exceeds a power consumption threshold. The demand response determination apparatus informs the electric power system to unload electric power equipment when the demanded power exceeds the power consumption threshold.

Abstract: An apparatus for generating a pulse train with an adjustable time interval is provided. The apparatus, being an annular optical cavity structure, includes a seed source receiving end, a pump source receiving end, an optical coupler, an optical combiner, a gain fiber, an optical path time regulator and a beam splitter. Thus, the apparatus is capable of generating a pulse train with an adjustable time interval to increase material processing quality and speed.

Abstract: A broadcasting-communication data receiving apparatus for receiving mixed signals including original signals and additional signals.

Abstract: A hub cooling apparatus adapted to a wind generator has a circulating fan module installed in a nosed end of a hub and a wind guiding module installed in a main shaft of a nacelle; wherein the circulating fan module is driven by the rotating hub, the wind guiding module is driven by the rotating main shaft.

Abstract: The present disclosure relates to a method and system for creating a dynamic floating window for stereoscopic contents, and more particularly, to a method and system for automatically creating a dynamic floating window for stereoscopic contents based on feature points.

Abstract: The present invention is directed to methods of forming olefins, especially linear alpha olefins from fatty acids or anhydrides, each method comprising: contacting an amount of precursor carboxylic acid anhydride with a palladium catalyst comprising a bidentate bis-phosphine ligand in a reaction mixture so as to form an olefin in a product with the concomittant formation and removal of CO and water from the reaction mixture, either directly or indirectly, wherein the reaction mixture is maintained with a sub-stoichiometric excess of a sacrificial carboxylic acid anhydride, an organic acid, or both, said sub-stoichiometric excess being relative to the amount of the precursor carboxylic acid anhydride. The precursor carboxylic acid anhydride may be added to the reaction mixture directly or formed in situ by the reaction between at least one precursor carboxylic acid with a stoichiometric amount of the sacrificial acid anhydride.

Abstract: Provided is an apparatus for manufacturing a semiconductor or metal oxide ingot by sequentially inducing a liquid-to-solid phase transition of a liquid raw material following a solidification direction, the apparatus including: a crucible containing a semiconductor or metal oxide raw material; a cooling unit spaced apart from the crucible at a predetermined distance in a vertical direction, when a height direction of the crucible is designated by the vertical direction and a direction perpendicular to the vertical direction is designated by a horizontal direction; a first heating unit spaced apart from the crucible at a predetermined distance in the horizontal direction and surrounding a circumferential surface of the crucible; and an insulating member provided between the crucible and the cooling unit in the horizontal direction, a position of the insulating member being shifted by a shifting unit.

Abstract: A plurality of phased array acoustic communication devices are used to communicate data along a tubulation, such as a well. The phased array acoustic communication devices employ phased arrays of acoustic transducers, such as piezoelectric transducers, to direct acoustic energy in desired directions along the tubulation. The system is controlled by a computer-based controller. Information, including data and commands, is communicated using digital signaling.

Abstract: A satellite positioning method, a satellite pesudorange calculation apparatus and a satellite pesudorange calculation method thereof are provided. The satellite pesudorange calculation apparatus is used for calculating a pesudorange between a satellite and a satellite positioning receiving device, wherein the pesudorange includes an integer code value and a decimal code value. The satellite pesudorange calculation apparatus comprises a receiver and a processor electrically connected with the receiver. The receiver is configured to receive a code phase from a satellite signal acquisition unit, and the processor is configured to calculate the decimal code value according to the code phase. The receiver is further configured to define an approximation position and calculate the integer code value according to the approximate position and the decimal code value. The satellite positioning method is used for positioning the satellite positioning receiving device.

Abstract: A method of request routing redirection includes: receiving, by a first content delivery network (CDN) among a plurality of CDNs connected by CDN interconnection (CDNi), a domain name system (DNS) request including a list of CDN-provider-identifications (IDs) of higher CDNs, from a client; determining whether the client's request is processable; and when the client's request is not processable, redirecting the request, while preventing a loop of the request routing on the basis of the list of the CDN-provider-IDs.

Abstract: A method of manufacturing a frequency tunable terahertz transceiver including two separate distributed feedback lasers manufactured in one substrate, includes forming a lower clad layer on the substrate, forming an active layer on the lower clad layer, forming an upper clad layer on the active layer. And interposing first and second diffraction grating layers between the upper clad layers. A diffraction grating is manufactured by etching the first and second diffraction grating layers. The active layer is integrated into a passive waveguide. An electrode is formed on the upper clad layer.

Abstract: [Problem] An object of the present invention is to provide a photovoltaic power generation system that performs the MPPT control with respect to respective panels and minimizes the power loss due to the power conversion. [Means for Solving the Problem] The photovoltaic power generation system according to the present invention performs an MPPT control for each photovoltaic panel by charging the lacking voltage or current. The power charge section connected in series or parallel to each panel charges the lacking voltage or current being caused by the non-uniformity of light quantities of the photovoltaic panels or temperatures.

Abstract: A catalyst composition is provided for use in the conversion of carbon oxide(s) to saturated hydrocarbons. The catalyst composition comprises a carbon oxide(s) conversion catalyst; and a dehydration/hydrogenation catalyst comprising a silicoalumino phosphate (SAPO) molecular sieve and a metal M, for example Pd. In one embodiment, the target saturated hydrocarbons include LPG, the SAPO comprises SAPO-5 and/or SAPO-37.

Abstract: Provided is a wireless link system using a multiband, the system including: a common baseband module to operate in a first frequency band and a second frequency band higher than the first frequency band; at least one low radio frequency (RF) module to process a signal output from the common baseband module in the first frequency band; at least one high RF module to process a signal output from the common baseband module in the second frequency band; a plurality of antennas electrically connected to the at least one low RF module and the at least one high RF module; and a control unit to adaptively allocate a control signal and data to the at least one low RF module and the at least one high RF module based on state information of a wireless channel.

Abstract: A method and apparatus for transmitting an OFDM signal including converting a distribution of a signal in which inverse Fourier transform is performed in an OFDM system and a method of receiving an OFDM signal including expanding a received signal are provided, and by changing a magnitude distribution of a signal that is output from an OFDM modulator to a bimodal Gaussian distribution, an influence of noise in a receiving terminal can be reduced, and by limiting a signal that is output from an OFDM modulator to an appropriate magnitude, a phase in the receiving terminal can be prevented being wrongly demodulated.

Abstract: An educational institution (also referred as a university) is rich with multiple kinds of data: students, faculty members, departments, divisions, and at university level. A structural representation that captures the essence of all of the relationships in a unified manner has concise information about the educational institution, and visualization is a way to bring out all this information in an explicit manner so that the various of the users of the educational institution system understand effectively their system. A system and method for visualization based on the structural representation of a university along a variety of dimensions is discussed.

Abstract: An electronic decision system is provided. The electronic decision system has: an interaction apparatus configured to display a graphical interface, thereby retrieving multiple option values selected by a user; a database; and a decision module configured to retrieve at least one historical option value corresponding to the user and the multiple option values, wherein the decision module further determines a determination result according to the multiple option values, the at least one historical option value, and the at least one scenario criterion, and displays the determination result on the graphical interface of the interaction apparatus.