منابع مشابه
Portable Diseases
The discussions carried on last year in the Medical Society of New York, regarding yellow fever, are well worth the attentive study of our readers. Drs. Austin Flint, J. C. Peters, G. M. Smith, and, in fact, by far the majority of the best known authorities who took part in the debate, were of opinion that yellow fever was not a contagious disease. Nevertheless, they believed in its " portabili...
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Mechanical ventilators used in intensive care units are sophisticated devices. The guiding principle in their design is the provision of optimal lung ventilation. They incorporate precise but sizeable pneumatic components intended to utilize piped gases and mains electricity. However, when transporting patients receiving ventilatory support, these devices are rarely suitable because of their si...
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At present, the fruit picking in most countries still largely relies on manual operation. Manual fruit picking can protect the fruits from damage during the operation process. However, it is time-consuming and labor-intensive, and poses a potential safety risk to the workers while working at heights not reachable. Therefore, a variety of fruit picking machines and platforms have been developed ...
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In today's world of ever-increasing low-power portable electronics, from implants to wireless accessories, powering these devices efficiently and conveniently is an escalating issue. The proposed solution is to wirelessly recharge these lower-power portable devices through a common magnetic link with a higher-power portable device, such as a smartphone. Such a method is convenient for users, en...
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Many online services require some form of trust between users – trust that a seller will deliver goods as advertised, trust that an author’s thoughts are worth the time spent on reading them. To accommodate an internet community where users are constantly interacting with strangers, online services often construct proprietary reputation management systems for their community, with the side effe...
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ژورنال
عنوان ژورنال: The Journal of Thoracic and Cardiovascular Surgery
سال: 1969
ISSN: 0022-5223
DOI: 10.1016/s0022-5223(19)42668-8