Results 91 to 100 of about 460,018 (294)

Optimization of Nano-Tangeretin Recrystallization via Natural Surfactants in the Antisolvent Precipitation Process: Physicochemical Characterization and Antioxidant Activity

open access: yesNanomaterials
In this study, an improved method combining natural surfactants with a solvent–antisolvent precipitation technique was developed to prepare highly effective nano-sized tangeretin particles.
Yan Huang   +3 more
doaj   +1 more source

Tailoring Functional Properties of Ti–Ni–Cu Shape Memory Alloy Thin Films for MEMS Actuators

open access: yesAdvanced Engineering Materials, EarlyView.
A comprehensive study of critical parameters required to develop well‐performing Ti–Ni–Cu thin film shape memory alloy microactuators is provided. Materials science and device integration aspects are integrated by addressing structural and physical relationships using complementary characterization techniques as well as a practical fabrication solution
Elaheh Akbarnejad   +6 more
wiley   +1 more source

NATURAL RESOURCE ABUNDANCE AND ECONOMIC GROWTH REVISITED [PDF]

open access: yes
Data on energy and mineral reserves suggest that natural resource abundance has not been a significant structural determinant of economic growth between 1970 and 1989.
Stijns, Jean-Philippe C.
core   +1 more source

Nitrates by Ion Chromatography [PDF]

open access: yes, 1991
Proceedings of the 1991 Georgia Water Resources Conference, March 19-20, 1991, Athens, Georgia.A major problem in the field of water pollution is eutrophication, excessive plant growth or algae "blooms" resulting from over-fertilization of rivers, lakes,
Von Württemberg, Adolph
core  

PASTA‐ELN: Simplifying Research Data Management for Experimental Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Research data management faces ongoing hurdles as many ELNs remain complex and restrictive. PASTA‐ELN offers an open‐source, cross‐platform solution that prioritizes simplicity, offline access, and user control. Its in tuitive folder structure, modular Python add‐ons, and open formats enable seamless documentation, FAIR data practices, and easy ...
S. Brinckmann, G. Winkens, R. Schwaiger
wiley   +1 more source

CALIBRATION AND VALIDATION OF AQUIFER MODELS [PDF]

open access: yes, 1973
The main aim of this study is to develop a suitable method for the calibration and validation of mathematical models of large and complex aquifer systems.
Sagar, Budhi,1943-
core  

Tourism Development of Cultural Heritage Resources Through Conservation Concepts: A Case Study of Ningxia, China

open access: yesLand
Cultural heritage resources represent a vital aspect of tourism in the Ningxia Hui Autonomous Region, an area characterized by its ethnic minority heritage.
Shengrui Zhang   +4 more
doaj   +1 more source

Ontology‐Aligned Structuring and Reuse of Multimodal Materials Data and Workflows Toward Automatic Reproduction

open access: yesAdvanced Engineering Materials, EarlyView.
Reproduction of stacking fault energy calculations from literature with a semi‐automated large language model‐assisted extraction procedure: extraction of simulation protocol, atomistic structures, computational parameters, and reported results, ontology alignment, knowledge graph construction and, finally, recomputation forvalidation.
Sepideh Baghaee Ravari   +5 more
wiley   +1 more source

Natural Resources Endowment and Economic Growth in the Southeastern United States [PDF]

open access: yes
Using forest concentration data from Alabama, Arkansas, Georgia, Kentucky, Louisiana, North Carolina, South Carolina, and Virginia, this paper test whether or not the low-level of economic growth is related to forest resource intensity and Dutch Disease.
Elliott, Vaughn M., II   +2 more
core   +1 more source

Water-Resources Investigations Report 82-23 [PDF]

open access: yes, 1982
: The primary effect of a floodwater-retarding structure (FRS) on the flow of Trout Creek, Wisconsin, is attenuation of flood peaks. Reduction of flood peaks ranged from 58 to 91 percent during the study period, 1975 to 1979.
Graczyk, David J., Wentz, Dennis A.
core  

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