Results 71 to 80 of about 3,644,343 (298)

Mineral resources: Geological scarcity, market price trends, and future generations [PDF]

, 2016
The extractable ores of the world's geologically scarcest mineral resources (e.g. antimony, molybdenum and zinc) may be exhausted within several decades to a century, if their extraction continues to increase.
Henckens, M.L.C.M., van Ierland, E.C., Driessen, P.P.J., Environmental Governance, Energy, Resources & Technological Change, Energy and Resources, Worrell, E.   +6 more
core   +1 more source

Nature‐Derived Chitosan Biopolymer: A Promising Candidate for Sustainable Electronics

Advanced Materials Technologies, EarlyView.
In the creation of environmentally friendly devices, nature‐derived chitosan biopolymer is a promising contender for sustainable electronic research. It can be utilized to create more ecologically friendly scalable gadgets and has a variety of uses in different active layers of electronics.
Joshua McDonald, Ali Nawaz, Amandeep Singh, Prashant Sonar   +3 more
wiley   +1 more source

Influence of the range of data on the performance of ANN- and SVM- based time series models for reproducing groundwater level observations

Acque Sotterranee, 2019
In the present study, we designed time series models for predicting groundwater level fluctuations using an artificial neural network (ANN) and a support vector machine (SVM).
Heesung Yoon, Yongcheol Kim, Soo-Hyoung Lee, Kyoochul Ha   +3 more
doaj   +1 more source

Spheroid‐On‐A‐Drop: A Modular Droplet Microfluidics Platform

Advanced Materials Technologies, EarlyView.
The proposed Spheroid‐on‐a‐Drop platform represents a reproducible and tunable platform for the fabrication of biocompatible GelMA‐based microgels, able to support controlled 3D tumor spheroid culture. Its precise control over droplet dynamics and cell distribution paves the way for advanced applications in tissue modeling, drug screening, and ...
A. Fergola, V. Vighetto, G. Mesiano, A. Cosola, S. L. Marasso, M. Cocuzza, C. F. Pirri, L. Napione, F. Frascella   +8 more
wiley   +1 more source

Potential impacts of landuse changes on the supply–demand relationship of water resources in semiarid loess hilly regions

Scientific Reports
In ecologically fragile semiarid loess hilly agricultural regions, water resources constitute a critical constraint on sustainable development. Previous studies have demonstrated that landuse changes significantly affect the spatiotemporal distribution ...
Longtan Qiao, Qiang Li, Haoxuan Zhang, Zixuan Zhang, Hanwen Yang, Yilong Zhu, Zhengzheng Mao   +6 more
doaj   +1 more source

Study on the Index System of Green Investigation and Environmental Evaluation for the Jiajika Large Lithium Mineral Resource Base, Western Sichuan, China

Yankuang ceshi, 2019
BACKGROUND Under the background of coordinated development of resources, environment and economy, the development of green mining has become a national strategic focus and has been widely recognized.
YU Yang, WANG Deng-hong, YU Feng, WANG Wei, LIU Li-jun, GAO Juan-qin, HAO Xue-feng   +6 more
doaj   +1 more source

From Pores to Pavement: Advanced Modeling of Aluminosilicates for Scalable Carbon Capture in Concrete

Advanced Science, EarlyView.
This study presents a transferable modeling framework for carbon capture using aluminosilicates, integrating Universal Isotherm Modeling with experimental data. It reveals how ultramicropores, alumina content, and amine functionalization influence CO2 adsorption energetics.
Pooja Anil Kumar Nair, Jéssica de O. N. Ribeiro, Murilo Daniel de Mello Innocentini, Kevin Paine, Juliana Calabria‐Holley   +4 more
wiley   +1 more source

A 3D Human Bone and Bone Marrow‐on‐a‐Chip Model for In Vitro Bone Remodeling and Immune Cell Maintenance

Advanced Science, EarlyView.
This study presents a human Bone (and Bone Marrow)‐on‐a‐Chip model based on native human bone scaffolds and autologous cells. Dynamic perfusion and sequential cell seeding replicate the physiological bone remodeling process in vitro, enabling the long‐term culture of functional, mature bone marrow immune subpopulations.
Nina Stelzer, Melanie‐Jasmin Ort, Kristian Händler, Emely Bortel, Ioanna Maria Dimitriou, Martin Textor, Georg N. Duda, Janosch Schoon, Uwe Marx, Uwe Kornak, Annika Winter, Bernhard Hesse, Stefanie Donner, Sebastian Hardt, Oliver Klein, Simon Reinke, Malte Spielmann, Sven Geißler   +17 more
wiley   +1 more source

The occurrence characteristic and dissolution mechanism of lithium-rich sediments in Salt Lake Mahai of Qaidam Basin, NW China

Scientific Reports
The Salt Lake Mahai in Qaidam Basin, western China contains large and thick lithium-rich clay sediments that exhibit great economic potential for lithium exploration.
Yanjun Zhao, Pengyu Long, Hua Zhang, Yufei Hu, Zihao Cui, Yumeng Zhang, Minglu Zhang, Qiang Wang, Shengzhong Hu   +8 more
doaj   +1 more source

An On‐Demand Neuromorphic Vision System Enabled by a Multi‐Paradigm Neuromorphic Device and Hierarchical Reconfigurability Designed from Device to System Level

Advanced Science, EarlyView.
An on‐demand ultra‐reconfigurable intelligent vision system with hierarchical reconfigurability from device to system levels is demonstrated. Through co‐design of a multi‐paradigm device, reconfigurable circuits, and adaptive system architecture/algorithms, the system enables seamless switching among spiking, non‐spiking, neuromorphic imaging (NI), and
Biyi Jiang, Jiayi Xu, Liang Ran, Xinhe Feng, Khalil Harrabi, Yida Li, Longyang Lin, Feichi Zhou   +7 more
wiley   +1 more source