Results 121 to 130 of about 70,537 (294)
Protecting Federal Fossils from Extinction [PDF]
, 1998 Fossils are important scientific and educational resources. In recent years, fossils have become popular commercial items. As a result, commercial fossil collection has increased, creating competition for scientific collectors.
Lundgren, Gretchen
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Advanced Science, EarlyView.By exploiting multiscale hydrogen‐bonding interactions between HFPD and TOCNF, the composite simultaneously achieves a high piezoelectric coefficient (14.0 pC·N−1), outstanding flexibility (100 000 bending cycles), water‐assisted recyclability, excellent biodegradability, and sensitive wearable/implantable sensing for motion, speech, and Morse code ...
Tingshuai Luo +9 more
wiley +1 more source
Advanced Science, EarlyView.Selenium incorporation modulates the electronic structure of niobium diboride (Se‐NbB2) nanorods, enhancing the active site density and resulting in superior hydrogen evolution performance for sustainable energy applications. ABSTRACT The sluggish hydrogen evolution reaction (HER) kinetics of non‐noble‐metal catalysts remain a major challenge for ...
Shalmali R Burse +10 more
wiley +1 more source
, 1998 Fossils is an activity for grades 1-2 that enables students to apply their interest in dinosaurs to discovering how fossils tell us about our past. As a result of this activity, the students will be able to: tell a friend or parent who a paleontologist ...
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Interface‐Enhanced Electrochemical Epoxidation Over a Core‐Shell Nanozeolite TS‐1@Mn‐N‐C Catalyst
Advanced Science, EarlyView.Core–shell interface of TS‐1@Mn‐N‐C enables in situ generation of high‐concentration H2O2 and its spatially confined activation toward epoxidation‐active η‐Ti‐OOH species, leading to highly efficient and continuous electrochemical epoxidation. The work successfully addresses the key challenge of inefficient mass transfer and slow kinetics caused by ...
Wenbiao Zhang +7 more
wiley +1 more source
Silurian fossils from South Wales
, 2018 Silurian fossils from South ...
Philippe Gil de Mendonça
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Advanced Science, EarlyView.In this work, a Cu30PtX/CF anode material was synthesized to effectively catalyze the electrocatalytic formaldehyde oxidation, and thereby assembled a fuel cell that offered a high open‐circuit potential of 0.94 V and a power density of 34.3 mW cm−2. This work realizes the co‐generation of electrical energy and high‐value‐added chemicals with nearly ...
Hanxu Hou +9 more
wiley +1 more source
Advanced Science, EarlyView.The GeTe acting as “molecule scissors” can tailor chemical bond, the breaking of Ag‐Se bonds and the formation of Ge‐Se bonds occur in the A‐SnSe matrix, along with the formation of Ag2Se precipitates. This process helps to optimize the thermoelectric properties, and also improves its mechanical properties to a certain extent.
Xing Yang +8 more
wiley +1 more source
One of the many fossils in the Rocks
, 2008 In addition to a magical place for the young-hearted nature lover, the Rocks are home to a protected fossil site, remnants of life dating back 500 million years.
Branch Cultural Historical Association
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