منابع مشابه
Travelling far but staying close to home.
A n overwhelming majority of the global burden of morbidity and mortality caused by sexually transmitted infections (STI) and HIV is borne by the world’s poorest countries (fig 1). In a world increasingly ‘‘shrunk’’ by modern communications, what are the common issues preoccupying the international community of researchers in our field? In planning this themed issue, published on World AIDS Day...
متن کاملHearing: Travelling Wave or Resonance?
S itting in the enveloping quietness of an anechoic chamber, or other quiet spot, you soon become aware that the ear makes its own distinctive sounds. Whistling, buzzing, hissing, perhaps a chiming chorus of many tones—such continuous sounds seem remarkably nonbiological to my perception, more in the realm of the electronic. Even more remarkable, put a sensitive microphone in the ear canal and ...
متن کاملTravelling bioethics
When there are no strikes or natural disasters, travelling usually is a pleasure. Some of us have returned from the annual conference of the American Society for Bioethics and Humanities in San Diego, while others have good memories of the 10th World Congress of Bioethics in Singapore last summer. But not only bioethicists are travelling, bioethics itself is as well, following the globalization...
متن کاملWatching a Travelling Wave Watching a Travelling Wave
Travelling waves are a feature of many spatio-temporal series. The use of single side band filtering and the complex singular value decomposition to isolate such waves is described. As with other applications of the singular value decomposition, such as principal components, the results can be difficult to interpret. In the case of travelling waves, however, a dynamic graphical display using co...
متن کاملTravelling Wave Linear Accelerators
Communicated b y y. D. Cockcroft; MS. ABSTRACT. Acceleration of electrons by means of an electroma,onetiic wave travelling down a circular corrugated tube is considered. The relevint properties of corrugated tubes are derived and the factors influencing electron enxgies. Some numerical results are also quoted for a wavelength of 10 cm. The problems of high energy accelerators arc &scussed brief...
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ژورنال
عنوان ژورنال: Journal of Social Marketing
سال: 2017
ISSN: 2042-6763
DOI: 10.1108/jsocm-12-2016-0088