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Daniel Castro-López, Pablo Rodríguez-Lozano, Rebeca Arias-Real, Víctor Guerra-Cobián and Narcís Prat
The Earth?s freshwater ecosystems are currently under threat, particularly in developing countries. In Mexico, intensive land use and inadequate monitoring policies have resulted in the severe degradation of the country?s freshwater ecosystems. This stud...
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Yaru Guo, Tian-Chyi Jim Yeh and Yonghong Hao
Karst aquifers are prominent sources of water worldwide; they store large amounts of water and are known for their beautiful springs. However, extensive groundwater development and climate variation has resulted in a decline in the flow of most karst spr...
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Bright Kwakye-Awuah, Baah Sefa-Ntiri, Elizabeth Von-Kiti, Isaac Nkrumah and Craig Williams
Ground water samples from residential homes in three Regions of Ghana: Central, Greater Accra and Ashanti, were analyzed for iron and manganese contamination. The samples were exposed to characterized zeolite Y by X-ray diffraction, scanning electron mic...
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Charles Gitiya Njoroge
Pág. 88 - 100
The purpose of the study was to establish the effect of exchange rate on the performance of the residential property market in Kenya. The study used secondary data that was accumulated using secondary data collection sheet from first quarter of 2005 to f...
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Jiaming Xiong, Song Sang, Xiao Shi and Chaojie Gan
This study investigates the vertical-type submerged floating tunnel with anchor cables. Based on the characteristics of the anchor cables, the anchor cables are simplified as a nonlinear beam model with hinged ends. Disregarding the axial displacement of...
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Eduardo Juarez-Mendoza, Francisco Asahel del Angel-Diaz, Alejandro Diaz-Sanchez and Esteban Tlelo-Cuautle
This manuscript shows the CMOS design of Lorenz systems using operational transconductance amplifiers (OTAs). Two Lorenz systems are then synchronized in a master?slave topology and used to implement a CMOS secure communication system. The contribution i...
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Marios Arampatzis, Maria Pempetzoglou and Athanasios Tsadiras
Effective inventory management is crucial for businesses to balance minimizing holding costs while optimizing ordering strategies. Monthly or sporadic orders over time may lead to high ordering or holding costs, respectively. In this study, we introduce ...
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Zhiqiang Jiang, Yongyan Ma and Weijia Li
Accurate forecasting of ship motion is of great significance for ensuring maritime operational safety and working efficiency. A data-driven ship motion forecast method is proposed in this paper, aiming at the problems of low generalization of a single fo...
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Jinfeng Ma, Yuting Wang, Yu An, Mei Zhang and Xiaodong Wang
The impact of the spatial pattern of wetland plants on nitrogen removal is a hot research topic. Ten water samples were collected from separate sampling points in mid-August and at the end of October 2021, and the concentrations of TN, NH4-N, and NO3-N i...
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Jochen Kämpf
Using a three-dimensional coupled physical?biological model, this paper explores the effect that short-lived wind events lasting a few days in duration have on the creation of phytoplankton blooms in island wakes. Findings show that wind-induced coastal ...
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