The most common image of the interaction of groundwater and surface water is that of the interaction of streams with a contiguous alluvial aquifer. This type of system has been the focus of study for more than
It is common practice for surface water hydrology to be taught in engineering programs where the emphasis has been on estimates of runoff quantity and flood height for civil engineering application, whereas groundwater resource analysis has fallen more into science programs. The problem is a world...
(土星) are covered in thick sheets of ice,and underneath that ice sit oceans of liquid water.NASA has missions planned to investigate those mysterious worlds,hunting for any sign of possible life hidden deep within.As for us humans,Mars is certainly the grand prize in the coming decades.If ...
At this step, if a bare polished surface is able to sustain high fluences, scratches and digs are the weak points that lead to potential damage sites. This deleterious impact of scratches on the damage threshold at 351 nm was reported by Salleo7. 7 µm wide scratches located on ...
Ligand-protected noble metal nanoclusters, commonly termed ‘monolayer-protected metal clusters’ (MPCs), comprise a common set of structures with an inorganic core stabilized by an organic layer of ligand molecules. The choice of the metals in the inorganic core defines the clusters’ physical prop...
Water sessile drops formed on these hydrophobic surfaces are pearl-shaped (contact angle higher than 140º) but, unlike the lotus-like surfaces, the drop mobility is very low because the drops remain fixed to the sticky surface, even when the petal is flipped upside down. The origin of ...
The temperature anomalies in the Atlantic sector of the Southern Ocean are smaller at the surface and on the 500 m level than anomalies in the Pacific and Indian sectors of the Southern Ocean. This non-zonality, which is also reflected in the sea ice anomalies, points again to the efficiency...
. (regular) come up to the surface for air.And 4. . is astonishing is that thelungfish can even die if it is in the water for a long time.Therefore, it needs to avoid 5. .(put) underwater.When in the water, the lungfish behaves like other 6. . (type) of fish, swimming and...
Highly dispersed metal sites on the surface of silica, achieved from immobilization of metal precursor within hydroxyl groups, has gained increasing attention in the field of heterogeneous catalyst. However, the special role of adsorbed water derived by hydroxyl groups on the silica is generally ignore...
and catalytic Pt nanoclusters could selectively adsorb –C=O bonds of theα,β-unsaturated aldehydes/ketones to produce unsaturated alcohols with high selectivity. These cases highlight the potential of spatially isolating active sites in hollow nanoreactors to address complex catalytic problems for a wi...