Results 71 to 80 of about 129,587 (250)

Analysis of Carbon Dioxide Emission from Lawn Ecosystem with Contrasting Soil Profiles

open access: yesRUDN Journal of Agronomy and Animal Industries, 2016
Land-use change is among the main factors contributing to climate change. Urbanization is a land-use change pathway, conjugate with a rapid growth of urban territory and irreversible change of soil features and functioning.
Bhavish Rationale Bhoobun   +2 more
doaj   +1 more source

The Origin of Fleas and the Genesis of Plague [PDF]

open access: yes, 2015
Human history has been riddled by diseases spread by flea vectors including the bubonic plague. Recently, Madagascar has documented more than 100 cases.
Gillen, Alan L.
core   +1 more source

Late Pliocene lakes and soils: a data-model comparison for the analysis of climate feedbacks in a warmer world [PDF]

open access: yes, 2013
Based on a synthesis of geological data we have reconstructed the global distribution of Late Pliocene soils and lakes which are then used as boundary conditions in a series of model experiments using the Hadley Centre General Circulation Model (HadCM3 ...
Dowsett, Harry   +5 more
core   +1 more source

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta   +9 more
wiley   +1 more source

Сравнителна характеристика на хумусни системи в почвени разновидности, формирани върху метакарбонатни скали на Добростанската свита

open access: yesПочвознание, агрохимия и екология, 2014
The aim of this study is to characterize the pedogenesis of three catenas. Soil organic matter content and composition, and cation exchange properties are comment and compared.
ЕКАТЕРИНА ФИЛЧЕВА   +1 more
doaj  

An Escherichia coli Phosphotransferase System Modulates Methylglyoxal Resistance by Regulating Intracellular Potassium

open access: yesMolecular Microbiology, EarlyView.
Escherichia coli can survive methylglyoxal stress by modulating phosphorylation of a regulatory phosphotransferase system, which, in turn, regulates the activity of a potassium/proton antiporter. The constitutive potassium importer Trk also contributes to intracellular potassium levels.
Sara Alexander, Mark Goulian
wiley   +1 more source

Characteristic variations in reflectance of surface soils [PDF]

open access: yes
Surface soil samples from a wide range of naturally occurring soils were obtained for the purpose of studying the characteristic variations in soil reflectance as these variations relate to other soil properties and soil classification.
Baumgardner, M. F., Stoner, E. R.
core   +1 more source

Bio-Fertilizers via Co-Digestion: a Review [PDF]

open access: yes, 2019
In diversifying the economies of most oil producing countries especially in regions with arable lands, Agriculture becomes the next choice aside mineral deposits.
Abdulkarim, Abdulwadud Yusuf   +3 more
core   +2 more sources

Automation and Augmentation in Theological Perspective

open access: yesModern Theology, EarlyView.
Abstract AI enables forms of automation that threaten unemployment and deskilling, eliminating important opportunities for the development of virtue. The concomitant loss of virtue and meaningful employment makes it a theological problem from the perspective of Catholic social teaching and theological anthropology.
Paul Scherz
wiley   +1 more source

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