Abstract: A device for detecting an analyte in a sample comprising: an array including a plurality of pixels, each pixel including a nanochain comprising: a first nanostructure, a second nanostructure, and a third nanostructure, wherein size of the first nanostructure is larger than that of the second nanostructure, and size of the second nanostructure is larger than that of the third nanostructure, and wherein the first nanostructure, the second nanostructure, and the third nanostructure are positioned on a substrate such that when the nanochain is excited by an energy, an optical field between the second nanostructure and the third nanostructure is stronger than an optical field between the first nanostructure and the second nanostructure, wherein the array is configured to receive a sample; and a detector arranged to collect spectral data from a plurality of pixels of the array.

Abstract: An anaerobic electrochemical membrane bioreactor (AnEMBR) can include a vessel into which wastewater can be introduced, an anode electrode in the vessel suitable for supporting electrochemically active microorganisms (EAB, also can be referred to as anode reducing bacteria, exoelectrogens, or electricigens) that oxidize organic compounds in the wastewater, and a cathode membrane electrode in the vessel, which is configured to pass a treated liquid through the membrane while retaining the electrochemically active microorganisms and the hydrogenotrophic methanogens (for example, the key functional microbial communities, including EAB, methanogens and possible synergistic fermenters) in the vessel. The cathode membrane electrode can be suitable for catalyzing the hydrogen evolution reaction to generate hydro en.

Abstract: Methods, systems, program products are described to create a social network based on dynamic interests of users and using ad-hoc networking. A user of mobile device can identify another user who is close by and has similar interests. Dynamic interests of the users can be extracted or identified based on mobile usage, browsing history, places traveled, and other user actions. Users are notified if another user who is similar more than a threshold is present nearby. The system also facilitates communication between users by way of chatting, file sharing, image sharing etc.

Abstract: Measurement of the impedance and complex resistivity of a sample is used for measuring parameters resulting from a change in physical or chemical state. A variable frequency signal is provided by a transformer primary coil. A secondary coil of the transformer with a closed loop and electrically coupled said sample is monitored along with a leakage current sensor. Sampling at multiple signal frequencies is performed at the multiple signal frequencies.

Abstract: The invention discloses a split row-column addressing method for three-dimensional ultrasound imaging, and the method comprises: for an N×N planar array, obtain the pulse-echo response distribution from fully connected two-dimensional planar array, parameters thereof comprising beam widths A? and B? at ?6 dB and ?20 dB respectively, average side lobe C?, highest side lobe D? and main side-lobe energy ratio E?; set counter K=2, split two-dimensional planar array into K regions in channel direction, determine array elements amount and connect array elements in each region; calculate the time delay according to distance between the coordinates of each region and the focus point within a scanning range of the two-dimensional planar array, and analyze the two-dimensional planar array by ultrasonic sound field simulation algorithm according to the time delay of each region. The invention can solve the prior art of low resolution, and the problem that transmitted and received beam cannot be deflected.

Abstract: A hot oxygen nozzle and uses thereof in a gasifier, the hot oxygen nozzle comprising an outer-ring spout, a middle-ring spout, an inner-ring spout, and a central spout all sequentially and coaxially disposed, and a cooling system; the gasifier is an entrained-flow gasifier provided with one or more nozzles on a certain plane or a plurality of planes at the top or on the periphery of the gasifier body. The nozzle has a simple structure and is easy to make and maintain. A fuel gas passage is disposed inside the nozzle. Oxygen can be heated by a combustion of fuel gas; and high-temperature and high-speed oxygen can directly ignite carbonaceous materials such as coal-water slurry and coke-oven gas. The present invention can be applied in a gasifier and then in the final process of synthesis gas preparation.

Abstract: Provided herein are Raman active particles and methods for their preparation and use. The particles can include a SERS-active material that is at least partially encased within a spherical porous hollow casing. In some embodiments, this can be especially advantageous when employed for water analysis and/or being employed in combination with silica particles.

Abstract: The present invention relates to a polythiophene electrochromic material, which is a copolymer of [3,4-bis(2-ethylhexyloxy)thiophene]-thiophene-[3,4-dimethoxy thiophene] represented by Formula I: wherein, 0<n?0.5m, 0<q<m. The copolymer film has changeable colors reversibly varying between red and transparent, cycle life of more than 10,000. It has many advantages, such as low driving voltage, being transparent in the oxidation state with high transmittance, short response time, and being suitable for spray coating operation and the like, thus it has broad application prospect in the devices of electrochromic windows, electrochromic displays and the like.

Abstract: The present invention relates to a mineral processing technology and method for refractory chalcopyrite ores, particularly to a mineral processing technology and method for the separation of chalcopyrite from multiple natural types of copper ores containing chalcopyrite, pyrrhotite, talc and serpentine, which belongs to the technical field of mineral processing. It's characterized by: conducting a two-stage grinding on the chalcopyrite ore, with each grinding stage followed by size grading, and treating ores in different size fractions separately, wherein coarse-grain ores are separated in the presence of xanthate, with calcium oxide and CMC controlling the pH and acting as depressor respectively, while fine-grained ores are subjected to rougher in the presence of kerosene, and subsequently subjected to cleaner in the presence of xanthate.

Abstract: Provided herein are a luminogen compound of formula (I) including a AIE luminophore moiety conjugated with a maleimide moiety and a use of the same for detecting thiol groups in biomolecules. Also provided is a dye molecule, a biosensor or a bioprobe comprising the luminogen compound of formula (I) in use for detecting thiol groups in biomolecules. The detection method of the present subject matter not only has high thio-selectivity and sensitivity, but also is rapid, convenient and handy.

Abstract: Embodiments of the present disclosure provide for methods of using NixPty nanoparticles, and the like. In an embodiment, a method of CO2 reforming of methane is provided using supported NixPty nanoparticle material, wherein the NixPty nanoparticles have an average size of about 1.5 to 3 nm, wherein x is about 0.85 to 0.95 and y is about 0.05 to 0.15.

Abstract: An apparatus, system, and method for monitoring traffic and roadway water conditions. Traffic flow and roadway flooding is monitored concurrently through a wireless sensor network. The apparatus and system comprises ultrasound rangefinders monitoring traffic flow, flood water conditions, or both. Routing information may be calculated from the traffic conditions, such that routes are calculated to avoid roadways that are impassable or are slow due to traffic conditions.

Abstract: A non-volatile Boolean logic operation circuit, including: two input ends; an output end; a first resistive switching element M1, the first resistive switching element M including a positive electrode and a negative electrode; and a second resistive switching element M2, the second resistive switching element M2 including a positive electrode and a negative electrode. The negative electrode of the first resistive switching element M1 operates as a first input end of the logic operation circuit. The negative electrode of the second resistive switching element M2 operates as a second input end of the logic operation circuit. The positive electrode of the second resistive switching element M2 is connected to the positive electrode of the first resistive switching element M1, and a connected end thereof operates as the output end of the logic operation circuit.

Abstract: A soft-switching and low input current ripple power inversion circuit, in which the inversion circuit is connected in parallel to an input DC voltage source and includes a top cell, a bottom cell and at least one transformer, in which the top cell and the bottom cell have its individual impedance adjusting unit of which the impedance can easily be adjusted to obtain the required equivalent resonant inductance or capacitance. Thus, the semiconducting switches therein can be soft-switched alternately to reduce the switching loss. Moreover, the inversion circuit can be modified by adding at least one middle cell inserted between the top cell and the bottom cell to reduce the voltage stress on the semiconductor switch. Consequently, low voltage rating semiconductor switch accompanied with lower RDS(on), conduction losses can be reduced to improve the converter efficiency.

Abstract: Disclosed are various embodiments for flexible, low-cost tracking devices capable of seamless indoor and outdoor tracking transitions. A tracking device may comprise, for example, circuitry combined with one or more transceivers on a flexible substrate. At least a portion of the circuitry may be printed using a conductive medium, such as nanoparticle ink. The tracking device may be configured to localize the tracking device via GPS or an alternative localization strategy based on a determination of whether GPS communication is available.

Abstract: A polymer composite can include carbon nanotubes.

Abstract: Disclosed is a method of measurement and determination on fracture toughness of structural materials at high temperature, comprising: preliminary assessing the ductility of a material based on a high-temperature uniaxial tensile test and the fracture characteristic; designing and manufacturing a CT specimen; conducting a monotonic loading fracture test on the CT specimen at high temperature; modifying a load-displacement curve output by a testing machine; determining a passivation coefficient M for the crack of the structural material; reversely recursing instant load-displacement data pairs corresponding to the instant crack length; calculating a J_R crack extension resistance curve of the tensile test; examining the validity of the J_R crack extension resistance curve and the fracture toughness JIC; calculating the fracture toughness per equivalent of the structural material KIC. The present invention overcomes the difficulty of placing an extensometer inside a high-temperature furnace.

Abstract: A light emitting diode (LED) linear light modulator with temperature compensation includes a comparing module, a timing processing module, an LED module and a temperature compensating current control module. The comparing module compares an analog input signal with a triangular wave sampling signal to generate a pulse width modulation (PWM) signal. The PWM signal is inputted into the timing processing module and converted to a digital signal. The temperature compensating current control module, electrically connected to the LED module and the timing processing module, includes a plurality of low-temperature correlated linear current units and a switching switch, and controls a current amount passing through the LED module to generate a low-temperature correlated linear current. Thus, the color temperature of an LED is prevented from drifting with a change in the ambient temperature.

Abstract: Integration of high-fidelity readout and compressive readout channels in a signal sensor array system is provided. A high-fidelity representation of the sensor array is recovered by combining the data from both the high-resolution and compressive readout channels. The signal sensory array system uses a non-correlated-double-sampling (non-CDS) pixel block readout, random-access-reset pixel, ADC-integrated image compression, high-resolution successive-approximation-register (SAR) analog-to-digital-converters (ADC), SAR ADC self-calibration, and low-noise time-domain comparator.

Abstract: A sound attenuation panel is configured with a substantially acoustically transparent planar, rigid frame divided into a plurality of individual, substantially two-dimensional cells. A sheet of a flexible material is fixed to the rigid frame, and a plurality of platelets fixed to the sheet of flexible material such that each individual cell of the plurality of cells is provided with a respective platelet to establish a resonant frequency, the resonant frequency defined by the planar geometry of the individual cells, the flexibility of the flexible material and the platelets. The cells are divided into at least two different types of the individual cells, configured so that sound waves emitted by a first type of said different types of individual cells establishes a sound cancellation pattern with sound waves emitted by a second type of said different individual cells or an aggregation of different types of the individual cells.