A surface absorption modifier is developed to treat highly absorbent aggregates, and this patent concerns the application process of the surface modifier. Traditionally, aggregates such as sand and gravels are used to produce concrete but the decrease in granite supply leads to the application of re.....
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The heat-reclaim liquid-filled glazing system includes a double-pane window glazing with a water-to-water heat exchanger. Two distribution headers are connected to the heat exchanger through insulated distribution tubes attached to the two sides of the window frame. The sealed space between the glas.....
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This tool helps users verify or rectify Chinese character conversions manually by offering “batch correction” and “search and then correction”. An operation can be paused and resumed with a click of a button.
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The Doherty power amplifier (DPA), a component used in wireless communication devices, has two sub-amplifiers operating at different power levels. The differing bias conditions usually lead to unbalanced current driving ability and efficiency reduction. Unlike common techniques employed to achieve i.....
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The invention is a hybrid photovoltaic/thermal collector that converts solar energy to electrical energy and thermal energy by using photovoltaic cells and thermal energy collector respectively. This solar collector comprises a layer of photovoltaic (PV) cells laminated to the surface of a thermal c.....
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