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John S. Richardson
Headwaters, the sources of all stream networks, provide habitats that are unique from other freshwater environments and are used by a specialised subset of aquatic species. The features of headwaters that provide special habitats include predator-free or...
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Fatima Amin, Rashid Saleem, Tayyab Shabbir, Sabih ur Rehman, Muhammad Bilal and M. Farhan Shafique
This research work proposes a compact four-port multiple-input multiple-output (MIMO) antenna that operates in the whole license free ultra-wideband (UWB) spectrum of 3.1?10.6 GHz. Spatial diversity has been introduced by arranging these antennas in clos...
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Hongqiang Sun and Shuguang Zhang
Security enhancement and cost reduction have become crucial goals for second-generation reusable launch vehicles (RLV). The thruster is an important actuator for an RLV, and its control normally requires a valve capable of high-frequency operation, which...
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Romano Capocci, Edin Omerdic, Gerard Dooly and Daniel Toal
This paper describes a novel thruster fault-tolerant control system (FTC) for open-frame remotely operated vehicles (ROVs). The proposed FTC consists of two subsystems: a model-free thruster fault detection and isolation subsystem (FDI) and a fault accom...
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Salah M. Al-Bader
Pág. 1 - 7
Introduction: A great progressing occurs in microbiology after culture media have been used in culturing, isolation, identification, and Preservation of microorganisms. According to their components, culture media were divided into natural, synthetic, an...
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