100,688 research outputs found
Anales de Edafología y Agrobiología Tomo 21 Número 3
No full textEstudio de la composición mineralógica de las arcillas de los suelos volcánicos españoles, por V. Aleixandre, l. García Vicente y T. Aleixandre.-- Acción del ácido clorhídrico sobre los minerales de la arcilla (I), por T. Fernández Alvarez y A. Henández Chesa.-- Efecto de la suplementación de una ración práctica con metionina o colina, por R. Sanz Arias y l. Balboa Martín. Notas. II Reunión Plenaria del lnstituto Nacional de Edafología y Agrobiología.-- Conferencia del Prof. Dr. L. Wiklander.-- Conferencia del Prof. Dr. H. Gisin.-- Congresos, reuniones y visitas a Centros.—Pensionados.—Bibliografía. G. B. A.: Actas de la Primera Reunión Plenaria del Instituto de Edafología y Agrobiología del Consejo Superior de Investigaciones CientíficasPeer reviewed2019-09.- CopyBook.- Libnova.- Biblioteca IC
Letter, [Author unclear] to Paulina T. Merritt
No full textHandwritten letter to Paulina Merritt from an unknown author, October 1, 1876.
Trends in funding research and international collaboration on greenhouse gas emissions: A bibliometric approach.
No full text[EN] The Web of Science Core Collection platform was used to withdraw the papers included in this study. The studied period comprised from inception till 2018. Trends in research, journals of publication, subject areas of research, keywords most frequently used, countries of publication, international collaboration, and trends of funding research were also analyzed. A total of 3902 articles were published, most of them (52.5%) during the five-year period 2014-2018. The area with the highest number of papers was environmental sciences (41%), followed by energy fuels (16.6%) and engineering environmental (15.7%). "Nitrous oxide emissions" was the most frequent word, followed by "Carbon dioxide emissions" and "Methane emissions". Other words that stood out were "Life cycle assessment", "Climate change" and "Environmental impacts". The United States was the country with the highest productivity (27.9%), followed by China (12.8%) and the United Kingdom (9.6%). There was a concentration of research in recent years, as more than 80% of the papers were published in the last 10 years. The journals that published the largest number of publications were devoted mainly to environmental studies (sciences and engineering), sustainable and green science and technology, energy and fuels, economics, and agriculture. Half of the works were published in Europe and the other half between North America and Asia. Two thirds of the works (67%) were financed compared to a third that were not financed. The percentage of funded works has been increasing over the last decade, which is seen as an indication of the importance of GHGE.Aleixandre Tudo, J.; Castelló-Cogollos, L.; Aleixandre Benavent, JL.; Aleixandre-Benavent, R. (2021). Trends in funding research and international collaboration on greenhouse gas emissions: A bibliometric approach. Environmental Science and Pollution Research. 28(25):32330-32346. https://doi.org/10.1007/s11356-021-12776-2S32330323462825Aleixandre-Benavent R, Aleixandre-Tudó JL, Castelló-Cogollos L, Aleixandre JL (2017) Trends in scientific research on climate change in agriculture and forestry subject areas (2005-2014). J Clean Prod 147:406–418Aleixandre-Tudó JL, Bolaños-Pizarro M, Aleixandre JL, Aleixandre-Benavent R (2019a) Current trends in scientific research on global warming: a bibliometric analysis. Int J Global Warming 17:142–169Aleixandre-Tudó JL, Castelló-Cogollos L, Aleixandre JL, Aleixandre-Benavent R (2019b) Renewable energies: worldwide trends in research, funding and international collaboration. Renew Energy 139:268–278Aznar-Sanchez JA, Belmonte-Urena LJ, Velasco-Munoz JF, Manzano-Agugliaro F (2018) Economic analysis of sustainable water use: a review of worldwide research. J Clean Prod 198:1120–1132Batagelj V, Mrvar A (2002) Analysis and visualization of large networks. Lect Notes Comput Sci 2265:477e478Boden TA, Marland G, Andres RJ (2017) National CO2 emissions from fossil-fuel burning, cement manufacture, and gas flaring: 1751–2014. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy. https://doi.org/10.3334/CDIAC/00001_V2017Chavarro D, Rafols I, Tang P (2018) To what extent is inclusion in the Web of Science an indicator of journal 'quality'? Res Evaluat 27:106–118Chung JW, Meltzer DO (2009) Estimate of the carbon footprint of the US Health Care sector. J Am Med Assoc 302:1970–1972Dalpe R (2002) Bibliometric analysis of biotechnology. Scientometrics 55:189e213Dwyer L, Forsyth P, Spurr R, Hoque S (2010) Estimating the carbon footprint of Australian tourism. J Sustain Tour 18:355–376Dodman D (2009) Blaming cities for climate change? An analysis of urban greenhouse gas emissions inventories. Environ Urban 21:185–201Englade AJ, Jin G (2006) Application of biotechnology in waste management for sustainable development: an overview. Manage Environ Qual Int J 17:467–477Fearnside PM (2000) Global warming and tropical land-use change: greenhouse gas emissions from biomass burning, decomposition and soils in forest conversion, shifting cultivation and secondary vegetation. Clim Chang 46:115–118Figueroa JD, Fout T, Plasynski S, Mellvried H, Srivastava RD (2008) Advances in CO2 capture technology—the US Department of Energy´s Carbon Sequestration Program. Int J Greenhouse Gas Control 2:9–20Gingras Y, Khelfaoui M (2018) Assessing the effect of the United States “citation advantage” on other countries' scientific impact as measured in the Web of Science (WoS) database. Scientometrics 114:517–532Goek A, Rigby J, Shapira P (2016) The impact of research funding on scientific outputs: evidence from six smaller European countries. J Assoc Inf Sci Technol 67:715–730Hache E, Palle A (2019) Renewable energy source integration into power networks, research trends and policy implications: a bibliometric and research actors survey analysis. Energy Policy 124:23–25Haunnschild R, Bornmann L, Marx V (2016) Climate change research in view of bibliometrics. PLoS One 11:1e19Hertwich EG, Peters GP (2009) Carbon footprint of Nations: a global, trade-linked analysis. Environ Sci Technol 43:6414–6420Husain S, Mushtaq M (2015) Research assessment of climate change data: a scientometric construct. Qualitative and Quantitative Methods in Libraries Special Issue 183e194IPCC (2014). Climate Change 2014: Impacts, adaptation, and vulnerability. Part A: global and sectorial aspects. Cambridge University Press, Cambridge, United Kingdom and New York, USA, pp 1-32Iribarren D, Vázquez-Rowe I, Hospido A, Moreira MT, Feijoo T (2010) Estimation of the carbon footprint of the Galician fishing activity (NW Spain). Sci Total Environ 408:5284–5294Jacob BA, Lefgren L (2011) The impact of research grant funding on scientific productivity. J Public Econ 95(9-10):1168–1177Lacis AA, Schmidt GA, Rind D, Ruedy RA (2010) Atmospheric CO2: principal control knob governing earth´s temperature. Science 330:356–359Lee KH (2011) Integrating carbon footprint into supply chain management: the case of Hunday Motor Company in the automobile industry. J Clean Prod 19:1216–1223Leydesdorff L, Wagner C, Bornmann L (2014) The European Union, China, and the United States in the top-1% and top-10% layers of most-frequently cited publications: competition and collaborations. J Inf Secur 8:606–617Martin-Martin A, Orduna-Malea E, Lopez-Cozar E (2018) Coverage of highly-cited documents in Google Scholar, Web of Science, and Scopus: a multidisciplinary comparison. Scientometrics 116:2175–2188Meehl GA, Washington WM, Collins WD, Arblaster JM, Hu A, Buja LE, Strand WG, Teng H (2005) How much more global warming and sea level rise? Science 307:1769–1772McKain K, Wofsy SC, Nehrkorn T, Eluszkiewicz J, Ehleringer JR, Stephen BB (2012) Assessment of ground-based atmospheric observations for verification of greenhouse gas emissions from an urban region. Proc Natl Acad Sci U S A 109:8423–8428Meinshausen M, Meinshausen N, Hare W, Raper SCB, Frieler K, Knutti R, Frame DJ, Allen MR (2009) Greenhouse-gas emission targets for limiting global warming to 2 degrees C. Nature 458(7242):1158–1162Mongeon P, Paul-Hus A (2016) The journal coverage of Web of Science and Scopus: a comparative analysis. Scientometrics 106:213–228Mosier A, Kroeze C, Nevison C, Oenema O, Seitzinger S, van Cleemput O (1998) Closing the global N(2)O budget: nitrous oxide emissions through the agricultural nitrogen cycle—OECD/IPCC/IEA phase II development of IPCC guidelines for national greenhouse gas inventory methodology. Nut Cycling Agroeco 52:225–248Penela AC, García-Negro MC, Quesada JLD (2009) A methodological proposal for corporate carbon footprint and its application to a wine-producing company in Galicia. Sustainability 1:302–318Paris Agreement (2015) Adopted at the XXI international conference on climate change (COP21) in December 2015Parsons D (2009) The environmental impact of engineering education in Australia. Int J Life Cycle Assess 14:175–183Paul-Hus A, Desrochers N, Costas R (2016) Characterization, description, and considerations for the use of funding acknowledgement data in Web of Science. 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Agric Ecosyst Environ 133:247–266Samaras C, Meisterling K (2008) Life cycle assessment of greenhouse gas emissions from plug-in hybrid vehicles: implications for policy. Environ Sci Technol 42:3170–3176Shine KP, Fuglestvedt JS, Hailemariam K, Stuber N (2005) Alternatives to the global warming potential for comparing climate impacts of emissions of greenhouse gases. Clim Chang 68:281–302Song Y, Zhao TZ (2013) A bibliometric analysis of global forest ecology research during 2002–2011. Springerplus 2:204United States Environmental Protection Agency (2019) Global Greenhouse Gas Emissions Data. Accessed 11/07/2019. Available at: https://www.epa.gov/ghgemissions/global-greenhouse-gas-emissions-data#Country.van Vuuren DP, Hoogwijk M, Barker T, Riahi K, Boeters S, Chateau J, Scrieciu S, van Vliet J, Masui T, Blok K, Blomen E, Kram T (2009) Comparison of top-down and bottom-up estimates of sectoral and regional greenhouse gas emissions reduction potentials. 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Handwritten biographical information on Paulina T. McClung Merritt
No full textA handwritten biography of Paulina T. McClung Merritt by an unknown author, 1892.
Heterogeneous and tissue-specific regulation of effector T cell responses by IFN-gamma during Plasmodium berghei ANKA infection.
No full textIFN-γ and T cells are both required for the development of experimental cerebral malaria during Plasmodium berghei ANKA infection. Surprisingly, however, the role of IFN-γ in shaping the effector CD4(+) and CD8(+) T cell response during this infection has not been examined in detail. To address this, we have compared the effector T cell responses in wild-type and IFN-γ(-/-) mice during P. berghei ANKA infection. The expansion of splenic CD4(+) and CD8(+) T cells during P. berghei ANKA infection was unaffected by the absence of IFN-γ, but the contraction phase of the T cell response was significantly attenuated. Splenic T cell activation and effector function were essentially normal in IFN-γ(-/-) mice; however, the migration to, and accumulation of, effector CD4(+) and CD8(+) T cells in the lung, liver, and brain was altered in IFN-γ(-/-) mice. Interestingly, activation and accumulation of T cells in various nonlymphoid organs was differently affected by lack of IFN-γ, suggesting that IFN-γ influences T cell effector function to varying levels in different anatomical locations. Importantly, control of splenic T cell numbers during P. berghei ANKA infection depended on active IFN-γ-dependent environmental signals--leading to T cell apoptosis--rather than upon intrinsic alterations in T cell programming. To our knowledge, this is the first study to fully investigate the role of IFN-γ in modulating T cell function during P. berghei ANKA infection and reveals that IFN-γ is required for efficient contraction of the pool of activated T cells
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
Worldwide Scientific Research on Nanotechnology: A Bibliometric Analysis of Tendencies, Funding, and Challenges
No full textThis document is the unedited Author¿s version of a Submitted Work that was subsequently accepted for
publication in Journal of Agricultural and Food Chemistry, copyright © American Chemical Society after peer review. To access the final edited and published work see https://doi.org/10.1021/acs.jafc.0c02141.[EN] The main objective of this investigation was to analyze the scientific production in global research on nanotechnology, integrating scientific production, funding of studies, collaborations between countries, and the most cited publications. The source for obtaining the research papers for our analysis was the Science Citation Index Expanded from the Web of Science. A total of 3546 documents were extracted during the period of 1997-2018. Food science & technology, chemistry (applied and analytical), spectroscopy, and agriculture appeared as the main areas where the articles were published. Most prolific and cited journals were Analytical Methods, Journal of Agricultural and Food Chemistry, and Food Chemistry. The co-word analysis showed the relationships between "nanoparticles", which is the central word, and "silver nanoparticles", "delivery systems", and "zincnanoparticles". The most productive countries were China (1089 papers), the United States (523), Iran (427), and India (359). The main cited topics deal with the biomedical applications of nanoparticles, its synthesis from plants, and its applications in food science. The results highlight an important collaboration between institutions and countries. The availability of funding for research in nanotechnology was remarkable compared to other fields. The multidisciplinarity of the nanotechnology field is one of the main features as well as one of the central findings.Aleixandre-Tudó, JL.; Bolaños Pizarro, M.; Aleixandre Benavent, JL.; Aleixandre-Benavent, R. (2020). Worldwide Scientific Research on Nanotechnology: A Bibliometric
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Pelevin’s Trinity in the novel “t”: author – protagonist – reader
No full textThe article attempts to interpret Pelevin's artistic strategy in the novel "T" by exploring its subject organization and addressing the key problems of the author, the protagonist, and the reader as they are seen by the researcher. The article analyzes the peculiarities of constructing the narrative reality in the novel "T", and goes on to discuss Pelevin's philosophic models of the development of the humankind, and the emergence of his new anthropology
Measuring industry-science links through inventor-author relations: A profiling method
No full textIn this pilot study we examine the performance of text-based profiling in recovering a set of validated inventor-author links. In a first step we match patents and publications solely based on their similarity in content. Next, we compare inventor and author names on the highest ranked matches for the occurrence of name matches. Finally, we compare these candidate matches with the names listed in a validated set of inventor-author names. Our text-based profile methodology performs significantly better than a random matching of patents and publications, suggesting that text-based profiling is a valuable complementary tool to the name searches used in previous studies.innovation; industry-science links; text-based profiling;
Wave turbulence of a rotating array of quantized vortices in the T → 0 temperature limit
No full textThe dynamics of quantized vortices in the zero temperature limit is currently of great interest, particularly in the case of the Fermi superfluid He-B. Here we study wave turbulence, generated by the librating motion of a rotating cylindrical container filled with He-B, in the limit of vanishing viscous forces at temperatures . The polarization of the quantized vortices with respect to the axis of rotation is measured using non-invasive NMR techniques. We observe a decrease of the polarization when the librating motion is started, and a two-stage relaxation process when the modulation of the rotation velocity is stopped. The first relaxation process is associated with the dissipation of large-scale flow stored in inertial waves and the solid body rotation of the vortex array. From the decay of these energy reservoirs we determine the rate of energy dissipation of large-scale flow. The later second process is related to the relaxation of Kelvin waves on individual vortices. This process is monitored by the recovery of the polarization. The existence of a Kelvin wave cascade at the lowest temperatures is currently a central open question. We supply some evidence for the cascade
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