Results 101 to 110 of about 79,831 (261)

Winter Scenes

2 x 2 b/w negative, trees next to a body of waterOrigin: Publicity Division SD Dept. of Highways PierreBlack Hills Winter
SD Department of Highways
core  

Gradient p‐p Orbital Hybridization in Bismuth‐Doped Crystalline Carbon Nitride for Dual‐Functional Carbon‐to‐Carbon Valorization

EcoEnergy, EarlyView.
Schematic illustration comparing the charge transfer dynamics and catalytic reaction over the (left) pristine carbon nitride and (right) Bi‐doped carbon nitride photocatalysts. In the pristine system, random charge diffusion and rapid recombination limit catalytic efficiency. In contrast, the Bi‐doped system establishes a robust internal electric field
Joel Jie Foo, Valerine Khoo, Zi‐Jing Chiah, Sue‐Faye Ng, Xianhai Zeng, Wee‐Jun Ong   +5 more
wiley   +1 more source

People at Crazy Horse Pageant, Hot Springs SD, Fall River County

2 x 2 b/w negative, people dressed as Native Americans gathered near a fire ring built from stonesOrigin: Publicity Division SD Dept.
SD Department of Highways
core   +2 more sources

Fog Visibility Detection of Highway Based on Improved Dark Channel Prior Algorithm

IEEE Access
The low visibility near the ground in foggy weather can easily lead to vicious traffic accidents, so research on visibility detection in foggy weather is fundamental for traffic control.
Huiqi Zhang, Yong Liu, Chenxi Wu
doaj   +1 more source

Horse Head Sculpture, 12151 Avenue of the Chiefs, Custer SD, Custer County

2 x 2 b/w negative, a sculptured horse's headOrigin: Publicity Divison SD Dept. of Highways PierreCrazy Horse.
SD Department of Highways
core  

Interface‐Engineered MXene/g‐C3N4 Heterostructures for Energy and Environmental Applications

EcoEnergy, EarlyView.
This review highlights how interface engineering in MXene/g‐C3N4 heterostructures regulates charge transfer, band alignment, and surface chemistry, enabling broad applications in photocatalytic conversion, environmental remediation, energy storage, and multifunctional sensing/therapy. ABSTRACT Two‐dimensional MXene/g‐C3N4 heterostructures have recently
Feng Wang, Geng Liu, Xiaoqiang An
wiley   +1 more source

Climatic thresholds and temporal decoupling drive reproductive phenology in Neotropical cloud forests: a 36‐year analysis

Ecography, EarlyView.
Reproductive phenology influences ecosystem functioning and climate sensitivity in tropical montane cloud forests, but phase‑specific climatic thresholds and the temporal coupling between flowering and fruiting remain poorly quantified over decadal scales. We analyzed a 36‑year monthly record (1983–2018) from a Venezuelan cloud forest (15 focal species)
Saúl Flores, Nuriangel Casanova‐Hernández, Hendrik Sulbaran‐Pineda   +2 more
wiley   +1 more source

Tourists at Mount Coolidge, 25453 Highway 87, Custer SD, Custer County

, 1952
4 x 5 b/w negative, two people looking at a mountain rangeOrigin: Publicity Division SD Dept. of Highways PierreMt.
SD Department of Highways
core  

Asymmetric Dual‐Electron Bridge Via Gradient Orbital Coupling for Robust Alkaline Oxygen Evolution in Low‐Iridium Water Electrolysis

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The engineered IrOx/FeEu‐NiTex composite, with ultralow Eu (0.72 at%) and Ir (0.14 at%) content, harnesses an asymmetric dual‐electron‐bridge structure (Ni 3d–O 2p–Eu 4f, Ni 3d–O 2p–Ir 5d) for gradient orbital coupling. This unique architecture delivers superior and robust alkaline oxygen evolution activity, enabling efficient low‐iridium water ...
Guiling Wu, Qianlin Chen, Feng Wang, Yan Zhao, Zhaoyang Wang   +4 more
wiley   +1 more source

People in Spearfish Canyon, Spearfish SD, Lawrence County

8 x 10 photograph, automobiles and pedestrians along canyon roadVault:F2:D1 Folder S Oversize NegSpearfish Canyon, [photographer stamp] Photo Credit Publicity Division So. Dak. Dept.
SD Department of Highways
core   +1 more source