منابع مشابه
Trapped Ions Make Impeccable Qubits
The realization, two decades ago, that quantum mechanics can be a powerful resource to speed up important computational tasks [1] led to intense research efforts to find adequate physical systems for quantum computation. One of the hurdles to a viable technology is the requirement to prepare, manipulate, and measure quantum bits (qubits) with near perfect accuracy: Imperfect control leads to er...
متن کاملArticle Type: Original Article
The goals of this paper are to assess feasibility of using total concentration (TPC) of phytoliths in modern soils and morphotypes in soil assemblages to infer paleovegetation cover and composition. We sampled from undisturbed grassland sites with different values of shrub and grass cover in the Columbia Basin, interior Pacific Northwest, USA. Phytolith concentration in soils were measured and ...
متن کاملAnother reason for impeccable oral hygiene: oral hygiene-sperm count link.
OBJECTIVES 1. To investigate the relationship between periodontitis and infertility. 2. To evaluate the importance of oral hygiene to general health. MATERIALS AND METHODS Eighty-six men requiring seminal fluid analysis as part of an on-going investigation for infertility in their spouses were serially recruited into the study. Basic dental and periodontal examination were performed. Each par...
متن کاملThe indefinite article – Indefinite ? – Article ?
Perlmutter (1970) argued that the indefinite article is categorically different from the definite article and proposed that it is a clitic version of the numeral "one". But there are, as Perlmutter himself pointed out, instances of "a" as well as of "one" that don't seem to have the semantics of the numeral. Hence a divorce of "a" (and of "one") from "numeral"-hood is called for. Furthermore, t...
متن کاملReview Article
The increase in the incidence of ischaemic heart disease and acute myocardial infarction (AMI) in both high- and low-income countries necessitates the development of myocardial salvaging/protection interventions, to be applied alongside standard reperfusion therapies. Although the phenomenon of ischaemic preconditioning (IPC) is associated with the desired protective capacity, the necessity of ...
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ژورنال
عنوان ژورنال: British Dental Journal
سال: 2011
ISSN: 0007-0610,1476-5373
DOI: 10.1038/sj.bdj.2011.488