Results 11 to 20 of about 3,461,548 (318)
Global predictions of primary soil salinization under changing climate in the 21st century
Nature Communications, 2021 Soil salinization has become one of the major environmental and socioeconomic issues globally and this is expected to be exacerbated further with projected climatic change.
Amirhossein Hassani +2 more
semanticscholar +1 more source
21st Century Cell Culture for 21st Century Toxicology [PDF]
Chemical Research in Toxicology, 2016 There is no good science in bad models. Cell culture is especially prone to artifacts. A number of novel cell culture technologies have become more broadly available in the 21st century, which allow overcoming limitations of traditional culture and are more physiologically relevant.
Thomas Hartung +2 more
openaire +3 more sources
Contemporary Educational Technology, 2021 This study investigated role of the self-directed learning skills, metacognitive awareness, and 21st century skills and competences in predicting readiness for online learning during the COVID-19 pandemic.
Kasım Karataş, Ibrahim Arpaci
semanticscholar +1 more source
Malthusianism of the 21st century
Environmental and Sustainability Indicators, 2020 This paper has arisen from a reflection of the current reality in terms of the postulations about what is known as the Malthusian economy. Since the Industrial Revolution to the present day, despite there having been a high increase in world population, technology has played a fundamental role in the increase in the level of wealth per capita. However,
Montaño, Borja, García-López, Marcos
openaire +4 more sources
Pyridoacridines in the 21st Century [PDF]
European Journal of Organic Chemistry, 2019 This minireview summarizes the work developed during this century with compounds containing the pyridoacridine scaffold in its different isomeric forms. The isolation of natural products, syntheses, bioactivities, chelation capacity, and other properties of compounds containing this framework are discussed.
John A. Joule, Mercedes Álvarez
openaire +3 more sources
Journal of Deaf Studies and Deaf Education, 2007 It is the end of a long day at the American Association for the Advancement of Science, in Washington, DC. The occasion has been a meeting of journal editors who work with Oxford University Press and discussion of new opportunities (and challenges) in journal publishing.
openaire +3 more sources
Design of a 3 GHz fine resolution LC DCO [PDF]
, 2017 In this thesis, the design of a fine resolution LC digitally controlled oscillator (DCO) is introduced. Two NMOS varactor banks are used to achieve 12 bits medium and fine frequency tuning.
Zhao, Xuming, active 21st century
core +1 more source
IUGG in the 21st century [PDF]
History of Geo- and Space Sciences, 2019 Abstract. The International Union of Geodesy and Geophysics (IUGG) has vigorously responded to a number of the natural, scientific, and technological challenges and driving forces that have marked the 21st century thus far. This paper reviews the actions of the Union that were precipitated by disasters caused by natural hazard events, climatic and ...
J. A. Joselyn +11 more
openaire +4 more sources
Crystallography in the 21st century [PDF]
IUCrJ, 2015 The field of crystallography, which has had a major impact on the sciences in the last 100 years, is continuing to expand scientific horizons as technical and conceptual boundaries are overcome. Structure-function-dynamics will become an integrated theme for many studies as will obtaining structures without the 'benevolent tyranny' of crystals.
openaire +10 more sources
Measles in the 21st Century [PDF]
New England Journal of Medicine, 2012 Between 2000 and 2008, measles control improved markedly worldwide, but with poorer countries focused on polio eradication and some richer countries falling prey to opposition to vaccination, the measles genie seems to have slipped out of the bottle in recent years.
Ulla K. Griffiths +2 more
openaire +3 more sources