Results 1 to 10 of about 20,988 (296)

Differential structure of Ordovician karst zone and hydrocarbon enrichment in paleogeomorphic units in Tahe area, Tarim Basin, NW China

open access: yesPetroleum Exploration and Development, 2021
Based on a large number of drilling, logging, seismic and production data, the differential structures of karst zone and hydrocarbon distribution in different paleogeomorphic units of the Tahe area, Tarim Basin, are discussed by analyzing the karst ...
San ZHANG   +6 more
doaj   +3 more sources

Karst monadnock fine characterization and reservoir control analysis: A case from Ordovician weathering paleokarst reservoirs in Lungu area, Tarim Basin, NW China

open access: yesPetroleum Exploration and Development, 2017
: Based on the fine characterization of weathering crust paleokarst landform of the Ordovician Yingshan Formation in Lungu area, Tarim Basin, the size, number and reservoir controlling characteristics of karst monadnocks have been investigated ...
Yunfeng ZHANG   +7 more
doaj   +3 more sources

Functional analysis of a dihydroflavonol 4-reductase gene in Ophiorrhiza japonica (OjDFR1) reveals its role in the regulation of anthocyanin [PDF]

open access: yesPeerJ, 2021
Dihydroflavonol 4-reductase (DFR), a key regulatory enzyme, participated in the biosynthesis of anthocyanins, proanthocyanidins and other flavonoids that essential for plant survival and human health.
Wei Sun   +7 more
doaj   +2 more sources

Groundwater Modelling in Karst Areas [PDF]

open access: yesWater, 2021
This Special Issue focuses on recent advances and future developments in the modeling (both conceptual and numerical) of flow and transport in karst aquifers [...]
Zanini, Andrea   +3 more
openaire   +3 more sources

Effects of Pretreatment and Polarization Shielding on EK-PRB of Fe/Mn/C-LDH for Remediation of Arsenic Contaminated Soils

open access: yesNanomaterials, 2023
In this study, coupling electrokinetic (EK) with the permeable reactive barriers (PRB) of Fe/Mn/C-LDH composite was applied for the remediation of arsenic-contaminated soils.
Zongqiang Zhu   +9 more
doaj   +1 more source

Distribution characteristics of organic carbon (nitrogen) content, cation exchange capacity, and specific surface area in different soil particle sizes

open access: yesScientific Reports, 2023
Understanding the distribution of soil organic carbon and nitrogen (OC(N)) content, cation exchange capacity (CEC), and specific surface area (SSA) in different soil particle sizes is crucial for studying soil fertility and properties.
Xiaoqian Bi   +8 more
doaj   +1 more source

KARST IN URBAN AREAS

open access: yesWilliam Morris Davis – Revista de Geomorfologia, 2021
In its third edition, the “William Morris Davis – Journal of Geomorphology” presents its second interview with geographers, to head the “Interviews” section, which opens each published issue. This time, it is the first international interview, carried out with Professor Philip van Beynen, from the University of South Florida, in the United States ...
PHILIP VAN BEYNE   +3 more
openaire   +1 more source

Enhanced Arsenic Removal from Aqueous Solution by Fe/Mn-C Layered Double Hydroxide Composite

open access: yesAdsorption Science & Technology, 2021
A novel material named Fe/Mn-C layered double hydroxide composite (Fe/Mn-C-LDH) was synthesized to remove arsenic from an aqueous solution. The removal performance of the composite toward arsenic ions was studied through the batch experiments.
Yaru Wang   +7 more
doaj   +1 more source

Hydrochemical characteristics and water quality evaluation of karst groundwater in typical industrial cities

open access: yesCarsologica Sinica, 2022
As economic pillars of the karst area in south China, industrial cities located in this area play an important role in the promotion of national strategy and economic development. Karst groundwater, the main water source of industrial cities in the karst
Li LU   +5 more
doaj   +1 more source

Biogeomorphological feedback in karst areas [PDF]

open access: yesLandscape & Environment, 2016
In the last decades, the research on ecosystem services have emerged in the field of geography. The negative impacts of human activities on the vulnerable karst areas are getting enforced quickly, which have an unfavourable influence on ecosystem service provision.
Kevei Ferencné, Kiss Márton
openaire   +2 more sources

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