Results 21 to 30 of about 523,232 (306)

First results on bathymetry, stratification and physicochemical limnology of a small tropical African reservoir (Malilangwe, Zimbabwe) [PDF]

, 2013
The study provides a 9-month record of Malilangwe Reservoir water chemistry periodicity, for the period between February and October 2011. Malilangwe Reservoir is a small (211 ha), shallow (mean depth 4.54 m) reservoir situated in the south-eastern ...
Chari, L D, Clegg, B, Dalu, T, Leuci, R, Nhiwatiwa, T, Thackeray, Z   +5 more
core   +3 more sources

Reservoir quality and petrophysical properties of Cambrian sandstones and their changes during the experimental modelling of CO2 storage in the Baltic Basin [PDF]

Estonian Journal of Earth Sciences, 2015
The objectives of this study were (1) to review current recommendations on storage reservoirs and classify their quality using experimental data of sandstones of the Deimena Formation of Cambrian Series 3, (2) to determine how the possible
Kazbulat Shogenov, Alla Shogenova, Olga Vizika-Kavvadias, Jean-François Nauroy   +3 more
doaj   +1 more source

Tingkat Pencemaran Waduk Penjalin Kecamatan Paguyangan Kabupaten Brebes Ditinjau dari Struktur Komunitas Plankton [PDF]

, 2017
Penjalin Reservoir is located in Brebes Regency, Indonesia. Human activity around Penjalin Reservoir, such as irrigation, aquaculture, and sanitation can affect its water\u27s quality.
Arum, O. (Octyviana), Christiani, C. (Christiani), Piranti, A. S. (Agatha)   +2 more
core   +3 more sources

Effects of multi-walled carbon nanotubes in soil on earthworm growth and reproduction, enzymatic activities, and metabolomics

Ecotoxicology and Environmental Safety, 2022
Increased production and environmental release of multi-walled carbon nanotubes (MWCNTs) increase soil exposure and potential risk to earthworms. However, MWCNT toxicity to earthworms remains unclear, with some studies identifying negative effects and ...
Xiaoxia Yang, Xuemei Zhang, Xiao Shu, Wei Zhang, Jianrong Kai, Mingfeng Tang, Jiuping Gong, Junying Yang, Junjie Lin, Yong Chai, Jianfei Liu   +10 more
doaj   +1 more source

Seasonal reversal in phytoplankton assembly mechanisms: stochastic dominance in autumn vs. deterministic control in spring within the middle and lower reaches of the Yellow River

Frontiers in Microbiology
Phytoplankton communities play a crucial role in riverine ecosystems, yet their assembly mechanisms in high-silt environments remain poorly understood.
Dahai Zeng, Dahai Zeng, Dahai Zeng, Houkuan Ding, Houkuan Ding, Houkuan Ding, Yuanyuan Tang, Yuanyuan Tang, Yuanyuan Tang, Yunni Gao, Yunni Gao, Yunni Gao, Jialin Jin, Jialin Jin, Jialin Jin, Xiaofei Gao, Xiaofei Gao, Xiaofei Gao, Jingxiao Zhang, Jingxiao Zhang, Jingxiao Zhang, Huatao Yuan, Huatao Yuan, Huatao Yuan, Jing Dong, Jing Dong, Jing Dong, Xuejun Li, Xuejun Li, Xuejun Li   +29 more
doaj   +1 more source

Reservoir quality evaluation of the Late Jurassic Manifa carbonate sequence in one of oilfield in the Persian Gulf [PDF]

Journal of Stratigraphy and Sedimentology Researches, 2019
The late Tithonian Manifa carbonate is one of the important oil producing intervals in some oil fields of the Northwestern Persian Gulf. The combination of geological and petrophysical data in three key wells in one of oilfield, enabled us to clarify the
Ali Asaadi, Mehdi Sarfi, ali imandoust
doaj   +1 more source

Differences in production decline characteristics of horizontal wells in tight gas sandstone reservoirs with different qualities: A case study of the Sulige gas field, Ordos Basin

Frontiers in Energy Research, 2023
Development of horizontal wells is one of the important means to improve the well production of the tight gas reservoir and realize the effective development of tight gas.
Minhua Cheng, Yunsheng Wei, Guang Ji, Bo Ning, Meng Zhao   +4 more
doaj   +1 more source

Restructuring of the epiphytic microbiome and recruitment of algicidal bacteria by Vallisneria natans for the suppression of Microcystis

Frontiers in Plant Science
The effective suppression of cyanobacteria by submerged macrophytes is a key mechanism underlying the successful restoration of aquatic vegetation in some eutrophic water bodies.
Yunni Gao, Yunni Gao, Yunni Gao, Ying Wei, Ying Wei, Ying Wei, Dahai Zeng, Dahai Zeng, Dahai Zeng, Jingxiao Zhang, Jingxiao Zhang, Jingxiao Zhang, Jing Dong, Jing Dong, Jing Dong, Xiaofei Gao, Xiaofei Gao, Xiaofei Gao, Huatao Yuan, Huatao Yuan, Huatao Yuan, Xuejun Li, Xuejun Li, Xuejun Li, Dongru Qiu, Michele Burford   +25 more
doaj   +1 more source

A Method of Productivity Prediction for Multi-Fractured Horizontal Well

Cejing jishu, 2023
The reservoir of horizontal wells in a block of Junggar basin is tight and highly heterogeneous. After large-scale volume fracturing by classification and clustering, there is a large difference in production.
YANG Fan, GAO Yanwu, SHAO Guanghui, LIU Jieli, XU Rui, ZHOU Jufeng   +5 more
doaj   +1 more source

Facies Modelling of Mishrif Formation in Selected Wells of Tuba Oil Field, Southern Iraq [PDF]

, 2018
The current study includes building a 3D geological facies model of the Mishrif Formation (Cenomanian-Early Turonian) in Tuba oilfield, southern Iraq. Microfacies study and core samples examination reveals the occurrence of six facies associations within
J, M. (Mustafa), Mahdi, T. A. (T)
core   +1 more source