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Shizhen Gao, Zhihua Fan, Jie Mao, Minhui Zheng and Junyi Yang
It is important to marine ecology research that plankton samples are collected without damage, especially for time series samples. Usually, most fixed-point plankton samplers are made using a pump with paddle blades in order to increase the flow rate. Bu...
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Yan Gao, Yue Zhou, Wei Guo, Yifan Fu, Sen Gao, Zhenzhuo Wei, Hongming Sun and Yu Sun
The present study proposes a low-energy consumption multipoint sampler carried by a deep-sea landing vehicle (DSLV) to meet the requirements of time series sampling in local areas and location series sampling in wide areas, and an optimization method of ...
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Guangping Liu, Yongping Jin, Youduo Peng, Deshun Liu and Buyan Wan
Hadal seafloor organisms live under ultra-high pressure, in low temperatures, and other environments for a long time, which puts higher requirements on the structural design of deep-sea biological samplers. In this paper, we present a full-ocean-depth hy...
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Cengiz Koparan, A. Bulent Koc, Charles V. Privette and Calvin B. Sawyer
Water quality monitoring and predicting the changes in water characteristics require the collection of water samples in a timely manner. Water sample collection based on in situ measurable water quality indicators can increase the efficiency and precisio...
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Edilson Marcelino Silva, Thais Destefani Ribeiro Furtado, Ariana Campos Frühauf, Joel Augusto Muniz, Tales Jesus Fernandes
Pág. e46893
Zinc uptake is essential for crop development; thus, knowledge about soil zinc availability is fundamental for fertilization in periods of higher crop demand. A nonlinear first-order kinetic model has been employed to evaluate zinc availability. Studies ...
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W. Matthew Sattley, Brad M. Burchell, Stephen D. Conrad and Michael T. Madigan
The cost of high-resolution water sampling devices for ecological studies and water quality analyses can be prohibitive. Moreover, the potential for operator error in the use of complicated sampling equipment can lead to inaccuracies. Here we describe th...
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Anna S. P. Peixoto, David de Carvalho
Pág. 617 - 621
The major problem on geotechnical work is to ensure that no settlements occur during the life cycle of the construction. This involves proper design of foundations and their bearing capacity. The Brazilian standard for design and execution of foundations...
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