Institution
Instituto Politécnico Nacional
Education•Mexico City, Mexico•
About: Instituto Politécnico Nacional is a education organization based out in Mexico City, Mexico. It is known for research contribution in the topics: Population & Context (language use). The organization has 43351 authors who have published 63315 publications receiving 938532 citations. The organization is also known as: Instituto Politécnico Nacional & Instituto Politecnico Nacional.
Topics: Population, Context (language use), Catalysis, Control theory, Thin film
Papers published on a yearly basis
Papers
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TL;DR: In this paper, the authors focused on the environmental disclosures made in the annual reports by a sample of 109 large firms operating in Portugal during the period 2002-04 and developed an index to assess the presence of environmental disclosures in companies' annual reports and their breadth.
Abstract: Similarly to what has happened in other countries, since the early 1990s Portuguese companies have developed corporate environmental reporting practices in response to internal and external factors. This paper is based on empirical research directed to both the study of environmental reporting practices developed by Portuguese companies and the identification of the factors that explain the extent to which these companies disclose environmental information. This study focuses on the environmental disclosures made in the annual reports by a sample of 109 large firms operating in Portugal during the period 2002–04. Using the content analysis technique we have developed an index in order to assess the presence of the environmental disclosures in companies' annual reports and their breadth. Based on the extant literature, several characteristics relating to firms' attributes were selected and their influence on the level of environmental disclosure was tested empirically. The selected explanatory variables were firm size, industry membership, profitability, foreign ownership, quotation on the stock market and environmental certification. The results reveal that, in spite of the fact that the level of environmental information disclosed during the period 2002–04 is low, the extent of environmental disclosure has increased as well as the number of Portuguese companies that disclose environmental information. Moreover, the firm size and the fact that a company is listed on the stock market are positively related to the extent of environmental disclosure. This study adds to the international research on environmental disclosure by providing empirical data from a country, Portugal, where empirical evidence is still relatively unknown, extending the scope of the current understanding of the environmental reporting practices. Copyright © 2009 John Wiley & Sons, Ltd and ERP Environment.
348 citations
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TL;DR: In this paper, a new method of homolytic alkylation of heteroaromatic bases is described, in which the silver-catalysed oxidative decarboxylation of acids by peroxydisulphate is used as a source of alkyl radicals.
347 citations
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TL;DR: In this article, a search for invisible decays of a Higgs boson via vector boson fusion is performed using proton-proton collision data collected with the CMS detector at the LHC in 2016 at a center-of-mass energy root s = 13 TeV, corresponding to an integrated luminosity of 35.9fb(-1).
347 citations
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University of Groningen1, PSL Research University2, École centrale de Lyon3, University of Padua4, Delft University of Technology5, Imperial College London6, Luleå University of Technology7, IMT Institute for Advanced Studies Lucca8, Technical University of Denmark9, University of Southampton10, University of Cape Town11, École Polytechnique Fédérale de Lausanne12, Aarhus University13, King's College London14, Hamburg University of Technology15, Czech Technical University in Prague16, Instituto Politécnico Nacional17, Polish Academy of Sciences18, University of Turin19, University of Trento20, Queen Mary University of London21, Saarland University22
TL;DR: This review summarizes recent advances in the area of tribology based on the outcome of a Lorentz Center workshop surveying various physical, chemical and mechanical phenomena across scales, and proposes some research directions.
347 citations
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TL;DR: In this article, a transient study on the NOx storage-reduction properties of a PtBaO/γ-Al2O3 catalyst is performed by using a synthetic exhaust gas containing oxygen and nitrogen oxides (storage phase) and a reducing gas containing hydrogen (reduction phase).
347 citations
Authors
Showing all 43548 results
Name | H-index | Papers | Citations |
---|---|---|---|
Giacomo Bruno | 158 | 1687 | 124368 |
Giuseppe Mancia | 145 | 1369 | 139692 |
Giorgio Maggi | 135 | 1323 | 90270 |
Salvatore Nuzzo | 133 | 1533 | 91600 |
Giuseppe Iaselli | 133 | 1514 | 91558 |
Marcello Abbrescia | 132 | 1400 | 84486 |
Louis Antonelli | 132 | 1089 | 83916 |
Donato Creanza | 132 | 1452 | 89206 |
Alexis Pompili | 131 | 1437 | 86312 |
Gabriella Pugliese | 131 | 1309 | 88714 |
Giovanna Selvaggi | 131 | 1159 | 83274 |
Heriberto Castilla-Valdez | 130 | 1659 | 93912 |
Ricardo Lopez-Fernandez | 129 | 1213 | 81575 |
Cesare Calabria | 128 | 1095 | 76784 |
Paolo Vitulo | 128 | 1120 | 79498 |