Results 221 to 230 of about 1,424,356 (264)

STANDARDIZATION OF THE BLEEDING TIME

Scandinavian Journal of Haematology, 1980
The Duke, Ivy and immersion methods for performing the bleeding time are reviewed and modifications of these methods are discussed. Certain of the automated devices are described. It is concluded that the bleeding time, when properly standardized, is an important test in the evaluation of a hemostatic disorder.
E J, Bowie, C A, Owen
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Prothrombin Time Standardization

Acta Clinica Belgica, 1987
SummaryAs recommcndcd by the proper authorities, the prothrombin time results for patients under oral anticoagulant therapy arc reported by our laboratory in International Normalized Ratios (I.N.R.).For the calculation of the INR-values we use a calibration factor, the International Sensitivity Index (I.S.I.), provided by the manufacturer of the ...
L, Hameeuw, L, Sierens, A, Lust
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A New Time Standard

Transactions of the American Institute of Electrical Engineers, 1940
RESEARCH by many individuals since the beginning of the century has added two new instruments for time measurement to the generally accepted pendulum clock. All of these are based, of course, on the primary astronomical standard which involves the revolution of the earth on its axis.
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It is time to ditch the ‘gold standard’

Veterinary Record, 2020
I am a small animal practice owner who very much enjoys practice. But I do have concerns about ‘over-diagnosis’ and ‘over-servicing’ in the profession and agree with Louise Collins that vets are becoming unaffordable ( VR , 3/10 October 2020, vol 187, p 278). The term ‘gold standard’ is mentioned in Collins’ letter. Medicine is …
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Standards for standard-makers? A testing time

Radiation Protection Dosimetry, 2004
The International Commission on Radiological Protection (ICRP) is now reviewing its recommendations with a view to publishing their revision in 2005. The last set of recommendations issued by the ICRP has caused some concern to neutron dosimetrists. This paper attempts to explain these concerns.
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Frequency and time—National standards

Proceedings of the IEEE, 1986
The design and performance of the national standards of time and frequency are outlined for countries which maintain primary cesium beam devices. Typical accuracies now attainable are of the order of 10-13, and new developments may improve these significantly within the next few years. Current work is directed toward optical pumping techniques of state
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The Standard of Length and the Standard of Time

Nature, 1956
The interesting communication in Nature of December 24. p. 1230, from Dr. G. M. Clemence1 under the title “Definition of the Second of Time”, has suggested to me some comments.
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Standard Time

The Arithmetic Teacher, 1959
“The earth, you know, turns round once in every 24 hours, or, in common language, the sun moves round the earth in that time; in what time, then, will the sun travel over 15 degrees? and why? over 1° (degree) of motion? over 1' (minute) of motion? By the foregoing, we see that every degree of motion makes a difference in time of 4 minutes, and every ...
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Time for standardization

American Journal of Respiratory and Critical Care Medicine, 2003
Peter D, Bridge, Sheila A, McKenzie
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