Characteristics of retracted editorial articles in the biomedical literature

Scientometrics - The main purpose of this short communication is to identify and analyze retracted editorials in the biomedical literature. Twenty-five of the 33 editorials are chosen for further...     

Contribution of Indian universities to the mainstream scientific literature: A bibliometric assessment

This paper examines the contribution of Indian universities to the mainstream scientific literature during 1987–1989 along two distinct, but inter-related dimensions of quantity and quality of research output. The quantity of output is assessed through the number of articles published in journals covered byScience Citation Index, while the quality of output is assessed through the impact factors of journals in which the articles are published. The impact factors are normalized to eliminate the confounding effects of their covariates,viz. the subject field and the nature of journal. A number of relative indicators are constructed for inter-field and inter-institution comparisons,viz. publication effectiveness index,¹ relative quality index,² activity index³ and citability index⁴. Inter-field comparisons are made at the level of eight macrofields: Mathematics, Physics, Chemistry, Biology, Earth & Space Sciences, Agriculture, Medical Sciences and Engineering & Technology. Inter-institution comparisons cover thirty three institutions which had published at least 150 articles in three years. The structure of correlations of these institutions with eight macrofields is analyzed through correspondence analysis of the matrices of activity and citability profiles. Correspondence analysis yields a mapping of institutions which reveals the structure of science as determined by the cumulative effect of resource allocation decisions taken in the past for different fields and institutions i.e. the effect of national science policy.     

Cuban scientific articles in ISI Citation Indexes and CubaCiencias databases (1988-2003)

Summary This comparative study covers the period 1988-2003 of the Institute for Scientific Information Databases (ISI-DBs), CD-ROM edition: Science Citation Index (SCI), Social Sciences Citation Index (SSCI) and Arts & Humanities Citation Index (A&HCI) as international databases and from the CubaCiencias (CubaCiencias) as an internal database. The number of articles published in Cuban journals, ISI-DBs, the author associativeness trend, the most important institutions and other indicators are collected. However, it is observed that CubaCiencias and ISI-DBs are not perfectly suitable for a study of the productivity of Cuban authors. It is necessary to properly standardize the author fields. For bibliometric studies, Cuba needs a database not only for the published papers in Cuban journals, but also for all the papers published by Cuban authors.     

焦炉护炉铁件安装工法(GF/JA37-1997)

对焦炉安装工程中的主要工作-护炉铁件安装,从工艺原理与特点、施工工艺、机具设备、网络计划、劳动力组织、检验项目、检验方法及标准、工程验收及技术经济分析等作了较详细的叙述.     

The aging of the literature of biomedical sciences in developed and developing countries

The analysis of the references contained in documents published by developed and underdeveloped countries indicate that developed and underdeveloped countries age the literature of international areas of science in a similar pattern; underdeveloped countries age the literature reflecting local problems slower than developed countries age the same literature, and the communication patterns among Regions follow a center-periphery model.Based on doctoral thesis approved by College of Information Studies, Drexel University, Philadelphia, USA, 1983. Advisors: Dr. Belver C.Griffith and Dr. M. CarlDrott.     

Using content-based and bibliometric features for machine learning models to predict citation counts in the biomedical literature

The most popular method for judging the impact of biomedical articles is citation count which is the number of citations received. The most significant limitation of citation count is that it cannot evaluate articles at the time of publication since citations accumulate over time. This work presents computer models that accurately predict citation counts of biomedical publications within a deep horizon of 10 years using only predictive information available at publication time. Our experiments show that it is indeed feasible to accurately predict future citation counts with a mixture of content-based and bibliometric features using machine learning methods. The models pave the way for practical prediction of the long-term impact of publication, and their statistical analysis provides greater insight into citation behavior.     

Tracing the wider impacts of biomedical research: a literature search to develop a novel citation categorisation technique

There is an increasing need both to understand the translation of biomedical research into improved healthcare and to assess the range of wider impacts from health research such as improved health policies, health practices and healthcare. Conducting such assessments is complex and new methods are being sought. Our new approach involves several steps. First, we developed a qualitative citation analysis technique to apply to biomedical research in order to assess the contribution that individual papers made to further research. Second, using this method, we then proposed to trace the citations to the original research through a series of generations of citing papers. Third, we aimed eventually to assess the wider impacts of the various generations. This article describes our comprehensive literature search to inform the new technique. We searched various databases, specific bibliometrics journals and the bibliographies of key papers. After excluding irrelevant papers we reviewed those remaining for either general or specific details that could inform development of our new technique. Various characteristics of citations were identified that had been found to predict their importance to the citing paper including the citation??s location; number of citation occasions and whether the author(s) of the cited paper were named within the citing paper. We combined these objective characteristics with subjective approaches also identified from the literature search to develop a citation categorisation technique that would allow us to achieve the first of the steps above, i.e., being able routinely to assess the contribution that individual papers make to further research.     

In vitro degradation of poly(ester-urethanes) for biomedical applications

Degradation studies on a series of polyesterurethanes having different compositions of hard and soft blocks have been performed utilizing an accelerated test method. Degradation was followed by titrimetry, mass loss, mechanical properties and infrared spectroscopy. As the number of methylene groups present within the polyester moiety was increased, the resistance to degradation also increased. The presence of an aromatic component in the hard block reduced the rate of hydrolysis but the degradation in mechanical properties was accelerated.     

The scholarly transition of female academics at the University of Granada (1975-1990)

An attempt is made to shed light on part of Granada University’s female academics’ past in what was a critical period in Spain’s history (1975-1982), referring of course to the political transition from dictatorship to democracy. The period studied is 1975-1990, in which an analysis is made of a section of the teaching staff, using part of the female staff as the sample due to their being the most socially affected during this period. Firstly, a study is carried out on the teaching staff, both male and female, to verify the staff situation at the university using the gender indicator. Secondly, the female teachers’ scholarly output is studied; due to the fact that areas of study are very varied, it has been considered appropriate to apply the study to monographs, scholarly publications articles and doctoral theses. Moreover, because the study intends to be as exhaustive as possible, various databases and catalogues have been consulted which collect the documental typology to be used in the analysis.     

Contribution to the Sensitivity Coefficients Analysis in the Extended Dynamic Plane Source (EDPS) Method

This work reports on a method for measuring thermophysical properties (thermal conductivity and diffusivity) of materials. The theory of the dynamic plane source method and experimental apparatus is described. The contribution of this work is the determination of the time interval within which the fitting procedure should be applied. A new algorithm for sensitivity coefficient analysis is presented, and the results are compared with those of a difference analysis of experiment modelling.