測試網路通信中的通信協定的方法和系統
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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.....
[Detail]
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.....
[Detail]
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.....
[Detail]
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