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Important Instrument (important + instrument)
Selected AbstractsNanotribology , Fundamental Studies of Friction and Plasticity,ADVANCED ENGINEERING MATERIALS, Issue 5 2010Roland Bennewitz Nanotribology explores the mechanical properties of materials at small length scales, where deviations from the scaling laws of macroscopic descriptions are observed. Atomic force microscopy is introduced as an important instrument in nanotribology for imaging friction contrasts on heterogeneous surfaces, for quantitative friction studies, and for the observation of single dislocation processes in plastic deformation. Recent experimental results for the frictional properties of carbon-based materials are discussed. Friction studies using microstructured surfaces are presented as an attempt to bridge the gap between nanotribological and macroscopic friction studies. [source] Perceived collective continuity: seeing groups as entities that move through timeEUROPEAN JOURNAL OF SOCIAL PSYCHOLOGY, Issue 6 2007Fabio Sani This paper presents two studies, conducted in two different countries, investigating perceptions of ingroups as enduring, temporally persistent entities, and introduces a new instrument measuring ,perceived collective continuity' (PCC). In Study 1 we show that perceptions of ingroup continuity are based on two main dimensions: perceived cultural continuity (perceived continuity of norms and traditions) and perceived historical continuity (perceived interconnection between different historical ages and events). This study also allows the construction of an internally consistent PCC scale including two subscales tapping on these two dimensions. Study 2 replicates findings from the first study; it also reveals that PCC is positively correlated to a set of social identity-related measures (e.g., group identification and collective self-esteem), and that its effects on these measures are mediated by perceived group entitativity. Overall, these two studies confirm that PCC is an important theoretical construct, and that the PCC scale may become an important instrument in future research on group processes and social identity. Copyright © 2007 John Wiley & Sons, Ltd. [source] Molecular genetics of Xeroderma pigmentosum variantEXPERIMENTAL DERMATOLOGY, Issue 5 2003Alexei Gratchev Skin abnormalities result from an inability to repair UV-damaged DNA because of defects in the nucleotide excision repair (NER) machinery. Xeroderma pigmentosum is genetically heterogeneous and is classified into seven complementation groups (XPA-XPG) that correspond to genetic alterations in one of seven genes involved in NER. The variant type of XP (XPV), first described in 1970 by Ernst G. Jung as ,pigmented xerodermoid', is caused by defects in the post replication repair machinery while NER is not impaired. Identification of the XPV gene was only achieved in 1999 by biochemical purification and sequencing of a protein from HeLa cell extracts complementing the PRR defect in XPV cells. The XPV protein, polymerase (pol),, represents a novel member of the Y family of bypass DNA polymerases that facilitate DNA translesion synthesis. The major function of pol, is to allow DNA translesion synthesis of UV-induced TT-dimers in an error-free manner; it also possesses the capability to bypass other DNA lesions in an error-prone manner. Xeroderma pigmentosum V is caused by molecular alterations in the POLH gene, located on chromosome 6p21.1,6p12. Affected individuals are homozygous or compound heterozygous for a spectrum of genetic lesions, including nonsense mutations, deletions or insertions, confirming the autosomal recessive nature of the condition. Identification of POLH as the XPV gene provides an important instrument for improving molecular diagnostics in XPV families. [source] Transnational Governance in Global Finance: The Principles for Stable Capital Flows and Fair Debt Restructuring in Emerging Markets1INTERNATIONAL STUDIES PERSPECTIVES, Issue 3 2010Raymond Ritter This paper analyzes and assesses the "Principles for Stable Capital Flows and Fair Debt Restructuring in Emerging Markets," which have emerged as an important instrument for crisis prevention and crisis resolution in the international financial system. The paper argues that, notwithstanding their low profile, the Principles which were jointly agreed between key sovereign debtors and their private creditors in 2004 have proved to be a useful instrument in spite of their voluntary and non-binding nature. Indeed, an increasing number of sovereign debtors and private creditors have adopted the Principles' recommendations on transparency and the timely flow of information, close dialogue, "good faith" actions, and fair treatment. The paper, taking a rational choice perspective, appraises the Principles as the product of a transnational public-private partnership as well as a soft mode of governance. Moreover, it shows how the Principles have moved somewhat along the continuum of soft law and hard law toward the latter. Finally, the paper makes the case that the Principles and their design features can provide some lessons for the current international policy debate on codes of conduct in global financial regulation. [source] The act of interpretation,THE INTERNATIONAL JOURNAL OF PSYCHOANALYSIS, Issue 4 2006ALOYSIO AUGUSTO D'ABREU The author understands the interpreting act as an attempt to perceive what happens in the transference/countertransference fi eld and not just what happens in the patient's mind. Interpretation transcends mere intellectual communication. It is also an experience in which analysts' emotions work as an important instrument in understanding their patients. Interpretation is seen to possess manifest as well as latent content; the latter would contain the analysts' feelings, emotions and personality. The unconscious content of an interpretation does not inconvenience or preclude the development of the analytic process, but, on the contrary, it allows new associative material to emerge, and it transforms the analytic session into a human relationship. Analysts' awareness of this content derived from patients' apperceptions is a signifi cant instrument for understanding what is happening in the analytic relationship, and what transpires in these sessions provides fundamental elements for analysts' self-analysis. Some clinical examples demonstrate these occurrences in analytic sessions, and how they can be apprehended and used for a better understanding of the patient. The author also mentions the occurrence of diffi culties during the analytic process. These diffi culties are often the result of lapses in an analyst's perception related to unconscious elements of the relationship. [source] Effects of Fire on the Abundance of Xenarthrans in Mato Grosso, BrazilAUSTRAL ECOLOGY, Issue 5 2004Manrique Prada Abstract Fire is an important ecological factor in Cerrado vegetation of central Brazil, and in other savanna ecosystems. The effect of fire on the abundance of some Xenarthran mammal species Priodontes maximus Kerr, 1792 (giant armadillo), Euphractus sexcinctus Linnaeus, 1758 (yellow armadillo) and Myrmecophaga tridactyla Linnaeus, 1758 (giant anteater)) was studied at Reserva Xavante do Rio das Mortes, a 329 000 ha Xavante Indian reserve in the Cerrado of Mato Grosso, Brazil. Track counts were used to compare the abundance of these mammals along seven burned and seven unburned transects, on seven occasions between August 1995 and August 1996. The number of tracks in burned and unburned areas did not differ. Xenarthrans probably use burned areas to obtain food resources, basically termites and ants. Xavante traditional fire hunts may reduce fuel accumulation and function as a mechanism to prevent more destructive fires. Fire management at Reserva Xavante is recommended because the burning system of Brazilian farmers is already influencing the Xavante community. Xavante traditional knowledge about fire could be an important instrument for this management. [source] For perimortem caesarean section, the surgical knife is the most important instrumentBJOG : AN INTERNATIONAL JOURNAL OF OBSTETRICS & GYNAECOLOGY, Issue 6 2010Q Warraich No abstract is available for this article. [source] Integrating environmental and stakeholder managementBUSINESS STRATEGY AND THE ENVIRONMENT, Issue 2 2001Henning Madsen Regulation has been an important instrument in pushing the business community towards improved environmental performance. However, there has also been increasing pressure from a growing number of stakeholders, including employees, customers, neighbours, NGOs etc. In order to improve corporate relationships with various stakeholders, companies need to be able to identify these stakeholders and assess their influence. The first part of this paper will discuss the relevant theory and introduce a model to analyse and identify the most significant stakeholder groups and their influence on corporate behaviour. Based on a recent survey of Danish companies, the second part of the paper will report on the success of a variety of stakeholders in forcing companies to introduce environment-related initiatives. The results will then be discussed in light of the theory and other reported results. The paper closes with a discussion of research implications. Copyright © 2001 John Wiley & Sons, Ltd and ERP Environment [source] | ||||||||||||||||