-
Article
Open AccessA wear-resistant metastable CoCrNiCu high-entropy alloy with modulated surface and subsurface structures
Sliding friction-induced subsurface structures and severe surface oxidation can be the major causes influencing the wear resistance of ductile metallic materials. Here, we demonstrated the role of subsurface a...
-
Article
Improving the wear performance of a commercial Vit 1 amorphous alloy by a cryogenic cycling treatment
A commercial Vit 1 amorphous alloy was processed by a cryogenic cycling treatment of different times. The phase structure, thermal, mechanical and wear properties were studied. Although the cryogenic cycling t...
-
Article
Anesthesia and protection in an emergency cesarean section for pregnant woman infected with a novel coronavirus: case report and literature review
An outbreak of novel coronavirus pneumonia occurred worldwide since December 2019, which had been named COVID-19 subsequently. It is extremely transmissive that infection in pregnant women were unavoidable. Th...
-
Article
Classification of yearly extreme precipitation events and associated flood risk in the Yangtze-Huaihe River Valley
Fifty cases of regional yearly extreme precipitation events (RYEPEs) were identified over the Yangtze-Huaihe River Valley (YHRV) during 1979–2016 applying the statistical percentile method. There were five typ...
-
Article
Global financial crisis making a V-shaped fluctuation in NO2 pollution over the Yangtze River Delta
The Yangtze River Delta (YRD), China’s main cultural and economic center, has become one of the most seriously polluted areas in the world with respect to nitrogen oxides (NOx), owing to its rapid industrializati...
-
Article
Interannual variability of the Asian subtropical westerly jet in boreal summer and associated with circulation and SST anomalies
The interannual variability of the Asian Subtropical Westerly Jet (ASWJ) in boreal summer is investigated through the diagnosis of 54-year (1960–2013) NCEP/NCAR reanalysis data. The main characteristics of tw...
-
Article
Correction: Corrigendum: Large Linear Magnetoresistance and Shubnikov-de Hass Oscillations in Single Crystals of YPdBi Heusler Topological Insulators
We report the observation of a large linear magnetoresistance (MR) and Shubnikov-de Hass (SdH) quantum oscillations in single crystals of YPdBi Heusler topological insulators. Owning to the successfully obtain...
-
Article
Open AccessWeak Antilocalization Effect and Noncentrosymmetric Superconductivity in a Topologically Nontrivial Semimetal LuPdBi
A large number of half-Heusler compounds have been recently proposed as three-dimensional (3D) topological insulators (TIs) with tunable physical properties. However, no transport measurements associated with ...
-
Article
Near-field optical properties of wide bandwidth metal multi-layer dielectric gratings for pulse compressor
Metal multi-layer dielectric gratings (MMDG) for pulse compressors in high-energy laser systems should provide broad bandwidth as well as high laser-induced damage thresholds. The non-uniform optical near-fiel...
-
Article
Open AccessLarge Linear Magnetoresistance and Shubnikov-de Hass Oscillations in Single Crystals of YPdBi Heusler Topological Insulators
We report the observation of a large linear magnetoresistance (MR) and Shubnikov-de Hass (SdH) quantum oscillations in single crystals of YPdBi Heusler topological insulators. Owning to the successfully obtain...
-
Article
Effects of precipitation variation on severe acid rain in southern China
Acid rain has been recognized as a serious environmental problem in China since the 1980s, but little is known about the effects of the climatic change in regional precipitation on the temporal and spatial var...
-
Article
Impact of urban expansion on regional temperature change in the Yangtze River Delta
Based on non-radiance-calibrated DMSP/OLS nighttime light imagery from 1992 to 2003, urban land area statistical data, meteorological data and land surface temperature data retrieved by MODIS and NOAA/AVHRR da...
