Abstract: A method for monitoring the production from different zones/sections along a well bore in a subsurface reservoir to draw inferences regarding production gases emerging from the subsurface reservoir, comprising: dividing the reservoir into a plurality of different zones/sections along the well bore; in a completion stage, deploying along the well bore in each such zone/section a release system for the release of at least one oil and/or water tracer material, such that a unique tracer formulation is provided in association with each respective such zone section; in a production stage, producing fluid from the reservoir, separating, sampling and testing liquids from the produced fluid and detecting the tracer materials in the produced liquids, drawing inferences from the detected levels of the tracer materials in the produced liquids regarding the production gases emerging from the subsurface reservoir.

Abstract: Described herein are pH responsive compounds, micelles, and compositions useful for the detection of primary and metastatic tumor tissues. Compounds described herein are imaging agents useful for the detection of primary and metastatic tumor tissue (including lymph nodes). Real-time fluorescence imaging during surgery aids surgeon in the detection of metastatic lymph nodes or delineate tumor tissue versus normal tissue, with the goal of achieving negative margins and complete tumor resection.

Abstract: Embodiments relate to a layered material (having a substrate, at least a buffer layer, with zero or more growth layers) that has been intercalated via a process that decouples (physically and electronically) the buffer layer from the substrate, thereby resulting in the creation of few-atom thick metal layers that exhibit a range of optical properties, including plasmonic or electronic resonance, that enables superior optical (e.g. Raman) detection of molecules.

Abstract: An antenna device includes an insulating carrier and a first primary antenna having a first feeding-in section, a first auxiliary antenna having a second feeding-in section and a second grounding section, a second primary antenna having a third feeding-in section, a second auxiliary antenna having a fourth feeding-in section and a grounding face which are provided on a face of the carrier. The first primary and auxiliary antennas and the second primary and auxiliary antennas are positioned at two side edges of the carrier which are away from each other. The grounding face is positioned between both the first primary and auxiliary antennas and the second primary and auxiliary antennas. The grounding face is provided with a first grounding section adjacent to the first feeding-in section, a third grounding section adjacent to third feeding-in section and a fourth grounding section adjacent to the fourth feeding-in section.

Abstract: Provided are a method for photovoltaic module fault diagnosis, an edge calculation processing device and an inverter. Firstly, multiple module-level power electronic devices are controlled to perform IV scanning on photovoltaic modules connected to the module-level power electronic devices respectively and IV curves of the photovoltaic modules are obtained by the module-level power electronic devices respectively. Secondly, an IV curve satisfying a condition is selected from the IV curves of the photovoltaic modules as a reference curve. Thirdly, each of remaining IV curves in the IV curves of the photovoltaic modules other than the reference curve is compared with the reference curve, to generate comparison results. Finally, a fault diagnosis result for each of the photovoltaic modules is generated based on the comparison results.

Abstract: A shielding structure for a system-in-package includes a substrate having stacked first ground planes in the substrate, a second ground plane on a surface of the substrate, and a ground pad arranged along an edge of the substrate disposed on the second ground plane. In addition, ground holes disposed in the substrate electrically couple the adjacent ground planes. The ground holes are arranged in a ring around a board body and spacing between the adjacent ground holes is less than a specified distance in an arrangement that defines a Faraday cage. A device is disposed on the opposing surface of the substrate and a package layer is disposed on the device.

Abstract: A release system for releasing a released material into a release fluid is disclosed. The release system comprises a matrix. The matrix comprises at least one first matrix material and at least one second matrix material. The second matrix material is configured to at least partially erode when exposed to the release fluid. The releasable material is held in the matrix such that the at least partial erosion of the second matrix material causes the releasable material to be at least partially released from the matrix.

Abstract: A low profile dual-frequency antenna device comprises an insulative carrier having a first surface and a second surface which are opposite and a conductor unit, the conductor unit comprises a first conductor which is provided to the first surface and a second conductor which is provided to the second surface and connected with the first conductor, a first radiation slot as a low frequency slot antenna is formed between the first conductor and the second conductor, the first conductor is formed with a second radiation slot, a third radiation slot which is communicated with the first radiation slot and the second radiation slot, a fourth radiation slot and a fifth radiation slot, and the third radiation slot, the fourth radiation slot and the fifth radiation slot together constitute a high frequency slot antenna, the second radiation slot decides an impedance and a resonance frequency width of each antenna, a first side edge and a second side edge is oppositely positioned at a location where the second radiatio

Abstract: The present disclosure relates to polymers which contain a hydrophobic and hydrophilic segment which is sensitive to pH. In some aspects, the polymers form a micelle which is sensitive to pH and results in a change in fluorescence based upon the particular pH. In some aspects, the disclosure also provides methods of using the polymers for the imaging of cellular or extracellular environment or delivering a drug.

Abstract: A method for monitoring the production from different zones/sections along a well bore in a subsurface reservoir to draw inferences regarding production gases emerging from the subsurface reservoir, comprising: dividing the reservoir into a plurality of different zones/sections along the well bore; in a completion stage, deploying along the well bore in each such zone/section a release system for the release of at least one oil and/or water tracer material, such that a unique tracer formulation is provided in association with each respective such zone section; in a production stage, producing fluid from the reservoir, separating, sampling and testing liquids from the produced fluid and detecting the tracer materials in the produced liquids, drawing inferences from the detected levels of the tracer materials in the produced liquids regarding the production gases emerging from the subsurface reservoir.

Abstract: Compositions having a core and a coating that covers at least part of the core, where the core comprises a mixture of at least one oil field chemical and at least one core matrix polymer are described. The composition provides a slower release of an oil field chemical into an eluent compared to the release provide by the core. The compositions provide for the controlled release of tracer over long periods of time than is provided by the release from the core. Methods of making the compositions and systems containing the compositions are described. Methods of tracing the movement of fluid in a hydrocarbon reservoir using the compositions and methods of releasing biocides and other well treatment agents into reservoir fluids over time are also described.

Abstract: An audio or haptic power output system manages and delivers power to multiple output transducers based on corresponding power or current limits that are adjusted dynamically according to measures of power or current that are required to generate power output signals from corresponding digital input values or signals. A power management subsystem controls electrical power or current consumed by power output stages that supply power to the transducers by comparing the measures of power or current required to generate the power output signals to the corresponding power or current limits, and limiting the power or current consumed by the individual power output stages measures of power or current exceeds the corresponding limits.

Abstract: An oil field chemical-carrying material comprising polymeric particles and a process for making the same are disclosed. An oil field chemical is integrally incorporated into the granulated particle. The oil field chemical is in particular a tracer and the particle is in particular a proppant for use in hydraulic fracturing of a subterranean formation. Methods of delivering oil field chemicals, methods of monitoring subterranean formations, methods of tracing flow of fluid from hydrocarbon reservoirs and methods of hydraulic fracturing subterranean formations are also disclosed.

Abstract: The present disclosure relates to polymers which contain a hydrophobic and hydrophilic segment which is sensitive to pH. In some aspects, the polymers form a micelle which is sensitive to pH and results in a change in fluorescence based upon the particular pH. In some aspects, the disclosure also provides methods of using the polymers for the imaging of cellular or extracellular environment or delivering a drug.

Abstract: An audio or haptic power output system manages and delivers power to multiple output transducers based on corresponding power or current limits that are adjusted dynamically according to measures of power or current that are required to generate power output signals from corresponding digital input values or signals. A power management subsystem controls electrical power or current consumed by power output stages that supply power to the transducers by comparing the measures of power or current required to generate the power output signals to the corresponding power or current limits, and limiting the power or current consumed by the individual power output stages measures of power or current exceeds the corresponding limits.

Abstract: Oil field chemical delivery fluids containing a mixture of a base fluid and microcapsules having an oil field chemical contained within the microcapsule are described. Chemical groups in the outer surface of the microcapsules interact with the base fluid and promote the dispersibility of the microcapsules in the base fluid. Chemical groups in the outer surface of the microcapsules interact with the targeted areas of a hydrocarbon reservoir and promote the substantivity of the microcapsules to the targeted areas of the reservoir. The oil field chemical delivery fluids provide for the placement of microcapsules in a desired location within the well and/or reservoirs using properties such as the density of the microcapsules. Methods of making oil field chemical delivery fluids, systems containing oil field chemical delivery fluids, methods of fracturing rock in a reservoir and tracing the movement of fluid in a hydrocarbon reservoir using these fluids are described.

Abstract: Provided are compositions containing a mixture of microcapsules and a bulk polymer, where the microcapsules have an oil field chemical contained within the microcapsules. The microcapsules can be present in a variety of configurations. The microcapsules contain a core or a micro-matrix containing the oil field chemicals. The core or micro-matrix can be surrounded by one or more polymeric shells, where each shell contains at least one polymer that affects the release of the oil field chemical from the composition. The compositions provide for the sustained release of an oil field chemical into fluid in an oil field reservoir over long periods of time. Also provided are methods of making the compositions and articles containing the compositions, along with methods are of tracing the movement of fluid in a hydrocarbon reservoir using the compositions, and methods of providing for the sustained release of oil field chemicals.

Abstract: A release system for releasing a released material into a release fluid is disclosed. The release system comprises a matrix. The matrix comprises at least one first matrix material and at least one second matrix material. The second matrix material is configured to at least partially erode when exposed to the release fluid. The releasable material is held in the matrix such that the at least partial erosion of the second matrix material causes the releasable material to be at least partially released from the matrix.

Abstract: Provided are a method for photovoltaic module fault diagnosis, an edge calculation processing device and an inverter. Firstly, multiple module-level power electronic devices are controlled to perform IV scanning on photovoltaic modules connected to the module-level power electronic devices respectively and IV curves of the photovoltaic modules are obtained by the module-level power electronic devices respectively. Secondly, an IV curve satisfying a condition is selected from the IV curves of the photovoltaic modules as a reference curve. Thirdly, each of remaining IV curves in the IV curves of the photovoltaic modules other than the reference curve is compared with the reference curve, to generate comparison results. Finally, a fault diagnosis result for each of the photovoltaic modules is generated based on the comparison results.