Search Results - Z. Cheng

<p>A new aerodynamic injection system has been designed for a wide particle size range, combining a new pre-focus structure, a smaller buffer chamber, and a five-stage lens. Compared with previous injection systems, the new design adds virtual impactors and pre-focus structures, while reducing...

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<p>Late Cretaceous clays exposed at sites located on the north shore of Long Island, New York, USA, were sampled to explore questions about how contemporary factors and processes interact with ancient geological materials that are often assumed to not be biologically active. Chemically and bio...

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<p>Due to the limitations of observations with meteorological towers and aircraft, there is a lack of research on the vertical characteristics of the atmospheric boundary layer in relation to the budget terms of turbulence kinetic energy (TKE). This study reveals the seasonal characteristics o...

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