Results 1 to 10 of about 623,906 (265)

Tidal current resource assessment [PDF]

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2007
This paper outlines present thinking on the determination of accessible tidal current resources within channels and other potentially exploitable locations. The fundamental principles behind tides and tidal currents are briefly discussed and the implications of temporal and spatial variations on the evaluation of the resources considered in the context
Bryden, Ian, Couch, Scott, Owen, A., Melville, G. T.   +3 more
openaire   +2 more sources

Study on Emerald-level Beryl from the Zhen'an W-Be Polymetallic Deposit in Shaanxi Province by Electron Probe Microanalyzer and Micro X-ray Diffractometer

Yankuang ceshi, 2018
BACKGROUND A new deposit type with a scheelite-beryl-molybdenite assemblage was first discovered in the Zhen'an area of Shaanxi Province. BAOBJECTIVES The research on chromatic mechanism and genetic mechanism of emerald was carried out.
DAI Hong-zhang, WANG Deng-hong, LIU Li-jun, HUANG Fan, WANG Cheng-hui   +4 more
doaj   +1 more source

Evaluation of Three Prokaryote Primers for Identification of Prokaryote Community Structure and Their Abode Preference in Three Distinct Wetland Ecosystems

Frontiers in Microbiology, 2021
The ultimate role of prokaryote (bacteria and archaea), the decomposer of the wetland ecosystem, depends on its community structure and its interaction with the environment.
Kavita Kumari, Malay Naskar, Md. Aftabuddin, Soma Das Sarkar, Bandana Das Ghosh, Uttam Kumar Sarkar, Subir Kumar Nag, Chayna Jana, Basanta Kumar Das   +8 more
doaj   +1 more source

Land-use patterns and their implication on malaria transmission in Kilosa District, Tanzania

Tropical Diseases, Travel Medicine and Vaccines, 2018
Background Understanding of the land use and malaria transmission among farming communities in Tanzania is of great significance. Water resource development projects, deforestation, wetland cultivation, and land use changes for agricultural purposes all ...
Phillipo Paul, Richard Y. M. Kangalawe, Leonard E. G. Mboera   +2 more
doaj   +1 more source

Role of Climate-Smart Agriculture in Enhancing Farmers' Livelihoods and Sustainable Forest Management: A Case of Villages Around Songe-Bokwa Forest, Kilindi District, Tanzania

Frontiers in Sustainable Food Systems, 2021
Climate change and variability are happening in Tanzania, and their impacts are felt in the socioeconomic sectors, as they have resulted in the decline of agricultural productivity and increased deforestation.
Hamza Omary Nkumulwa, Hamza Omary Nkumulwa, Noah Makula Pauline   +2 more
doaj   +1 more source

A systematic review on clinical effectiveness, side-effect profile and meta-analysis on continuation rate of etonogestrel contraceptive implant

Reproductive Health, 2021
Background Unintended pregnancies (UIP) have a significant impact on health of women and the health budget of countries. Contraception is an effective way to prevent UIPs.
Kusum V. Moray, Himanshu Chaurasia, Oshima Sachin, Beena Joshi   +3 more
doaj   +1 more source

Wind Resource Assessment on Puná Island [PDF]

Applied Sciences, 2019
Puná Island, located in the Pacific Ocean off the southern coast of Ecuador, has a population of approximately 3344 inhabitants. However, not all inhabitants have access to electricity, which is largely supplied by diesel generators. Therefore, to identify a renewable, sustainable, environmentally friendly and low-cost alternative, a 40-m-high ...
Merizalde Zamora, Yury Humberto, Hernández Callejo, Luis, Gracia Bernal, Javier, Telmo Martínez, Enrique, Duque Pérez, Óscar, Sánchez, Francisco, Llombart Estpopiñán, Andrés   +6 more
openaire   +4 more sources

Evaluating the impacts of reduced sampling density in a systematic fisheries-independent survey design

Frontiers in Marine Science, 2023
Fisheries-independent surveys provide critical data products used to estimate stock status and inform management decisions. While it can be possible to redistribute sampling effort to improve survey efficiency and address changing monitoring needs in the
Lukas DeFilippo, Stan Kotwicki, Lewis Barnett, Jon Richar, Michael A. Litzow, William T. Stockhausen, Katie Palof   +6 more
doaj   +1 more source

Assessing the Performance of Natural Resource Systems [PDF]

Conservation Ecology, 2002
Peer ...
Campbell, Bruce M., Sayer, Jeffrey A., Frost, P., Vermeulen, Sonja J., Ruiz Perez, M., Cunningham, A.B., Prabhu, Ravi   +6 more
openaire   +4 more sources

Molecular Characterization of an Endo-β-1,4-Glucanase, CelA_J93, from the Recently Isolated Marine Bacterium, Cellulophaga sp. J9-3

Applied Sciences, 2019
A novel cellulase was characterized from a newly isolated marine bacterium, strain J9-3. Phylogenetic analysis based on the 16S rRNA gene revealed that strain J9-3 belonged to the genus Cellulophaga, and thus, it was named Cellulophaga sp. J9-3.
Da Som Kim, Won-Jae Chi, Soon-Kwang Hong   +2 more
doaj   +1 more source