منابع مشابه
HIV/AIDS prevention in Uganda: why has it worked?
T he World Health Organisation’s 2004 report Changing History describes the HIV/AIDS pandemic as ‘‘the world’s leading public health challenge’’ and anticipates catastrophic social and economic consequences in many developing countries. This infection, the leading cause of death among 15 to 59 year olds worldwide and the second leading cause of serious sickness and disability in the world, infe...
متن کاملInterventions to reduce urinary catheter use: it worked for them, but will it work for us?
To cite: Meddings J. BMJ Qual Saf 2013;22:967–971. In most hospitals, four steps are required to remove a urinary catheter: the physician recognises the patient has a catheter in place; the physician realises the catheter is no longer necessary; the order is written to remove the catheter; and the nurse removes the catheter. Interventions to prompt removal of unnecessary urinary catheters by ex...
متن کاملThe impact of Arctic warming on the midlatitude jet-stream: Can it? Has it? Will it?
The Arctic lower atmosphere has warmed more rapidly than that of the globe as a whole, and this has been accompanied by unprecedented sea ice melt. Such large environmental changes are already having profound impacts on the flora, fauna, and inhabitants of the Arctic region. An open question, however, is whether theseArctic changes have an effect on the jet-streamand thereby influenceweather pa...
متن کاملThe dramatic impact of Coronavirus outbreak on air quality: Has it saved as much as it has killed so far?
The outbreak of coronavirus disease (COVID-19) was first reported from Wuhan, China, on December 31st, 2019. As the number of coronavirus infections has exceeded 100,000 with toll deaths of about 5000 worldwide as of early March, 2020, scientists and researchers are racing to investigate the nature of this virus and evaluate the short and long term effects of this disease. Despite it...
متن کاملIt has been conjectured that self-replicating systems will enab
It has been conjectured that self-replicating systems will enable complex macroscale objects to be made in a reasonable time using nanoscale assembly processes [1]. Self-replicating systems might also be used within reconfigurable structures on any scale, such as micro-circuits. An abstract model of a programmable constructor in a kinematic simulation environment is presented. This programmable...
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ژورنال
عنوان ژورنال: SSRN Electronic Journal
سال: 2016
ISSN: 1556-5068
DOI: 10.2139/ssrn.3146951