Results 101 to 110 of about 223,213 (353)

Alternative Policies with Complementary Benefits: Targeting Greenhouse Emissions or Water Recharge on Farming Systems? [PDF]

open access: yes
Policies introduced to address one environmental objective can often have the side-benefit of also addressing other environmental objectives. This analysis uses a whole farm bioeconomic model to explore the farm level implications, economic and ...
Flugge, Felicity, Schilizzi, Steven
core   +1 more source

Impact of recent climate variability on an aquifer system in north Belgium [PDF]

open access: yes, 2012
The last decade it has been realised that climate and global change can (and very likely will affect) groundwater reserves. This will have impact on both the economical (groundwater exploitation) and ecological (ecosystems) aspects of aquifer systems.
Martens, Kristine   +2 more
core  

Shaping Carbon Nitrides for Advanced Macrostructures

open access: yesAdvanced Materials Technologies, EarlyView.
This review examines how carbon nitride can be shaped through a range of printing and interfacial assembly methods. By bringing together additive manufacturing and liquid–liquid structuring concepts, carbon nitride is moving beyond its traditional powder‐based photocatalyst form toward digitally designed robust macroscale architectures with high design
Simona Baluchová, Baris Kumru
wiley   +1 more source

Accurate and efficient calculation of response times for groundwater flow

open access: yes, 2018
We study measures of the amount of time required for transient flow in heterogeneous porous media to effectively reach steady state, also known as the response time. Here, we develop a new approach that extends the concept of mean action time.
Carr, Elliot J., Simpson, Matthew J.
core   +1 more source

Flexible and High‐Performance Perovskite‐Polymer Composites for Dual X‐Ray and Proton Direct Detection

open access: yesAdvanced Optical Materials, EarlyView.
A polymer–perovskite composite obtained by mechanochemical synthesis enables thick, tunable active layers for efficient absorption of highly penetrating ionizing radiation. Vertical‐electrode detectors achieve low X‐ray detection limits and high sensitivity direct 5 MeV proton sensing.
Camilla Bordoni   +9 more
wiley   +1 more source

Impacts of hydrological changes in the Mediterranean zone: environmental modifications and rural development in the Merguellil catchment, central Tunisia / Un exemple d'évolution hydrologique en Méditerranée: impacts des modifications environnementales et du développement agricole dans le bassin-versant du Merguellil (Tunisie centrale) [PDF]

open access: yes, 2007
The Merguellil catchment (central Tunisia), which is typical of the Mediterranean situation, has undergone rapid hydrological changes over the last decades.
B. Zenati Chelli   +16 more
core   +1 more source

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

open access: yesAdvanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

Spatial variability of groundwater recharge - II. Factors affecting variability and taking account of it in estimating recharge [PDF]

open access: yes, 2004
The accompanying paper provided evidence to suggest that spatial variability of groundwater recharge is ‘true’ variability. This paper attempts to determine the major causes of such variability even at small distances, if there appear to be a frequency ...
De Silva, RP
core  

Cell Cycle Control of Nuclear Metabolism Couples Phosphatidylinositol Signaling to Histone Methylation

open access: yesAdvanced Science, EarlyView.
Nuclear metabolism oscillates during cell cycle progression. Quantitative chromatome proteomics and imaging reveal phase‐specific dynamics of PIP5K1A and nuclear PIP2, linking phosphatidylinositol metabolism to histone methylation. This work identifies nuclear lipid metabolism as a previously unrecognized regulatory axis coordinating chromatin ...
Antoni Gañez‐Zapater   +13 more
wiley   +1 more source

Using CFCs and SF6 for groundwater dating : a SWOT analysis [PDF]

open access: yes, 2010
A knowledge of the residence time of groundwater is of importance in understanding key issues in the evolution of water quality. Chlorofluorocarbons (CFCs) and sulphur hexafluoride (SF6) offer a convenient way of dating waters up to ~60 yrs old.
Darling, W.G.   +3 more
core  

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