منابع مشابه
Economical laboratory support system for influenza virus surveillance.
When increases in influenzalike illnesses were first detected during the 1984 to 1985 and 1985 to 1986 influenza seasons, throat swab specimens were mailed by physicians across the United States to one hospital laboratory, and each specimen was inoculated into a single tube of cell culture. Of 165 specimens, 52 (32%) were positive for influenza A or B virus within 3 days of receipt when tested ...
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Background: Failure to follow-up laboratory test results has been described as one of the major processes contributing to unsafe patient care. Currently, most of the laboratories do not know with certainty not only their rate of missed (or unreviewed) requests but the economical cost and impact that this issue implies. The aim of our study was to measure that rate and calculate the resulting co...
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A brief account is given of early attempts to clone mammals (mice) by transferring cells (nuclei) of preimplantation embryos into enucleated oocytes, zygotes or blastomeres of two-cell embryos. This is followed by a brief review of recent successes using adult somatic cells: mammary gland cells for sheep, muscle cells for cattle and cumulus cells for mice. We have developed a technique for clon...
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The Marx model for the profit rate r depending on the exploitation rate e and on the organic composition of the capital k is studied using a dynamical approach. Supposing both e(t) and k(t) are continuous functions of time we derive a law for r(t) in the long term. Depending upon the hypothesis set on the growth of k(t) and e(t) in the long term, r(t) can fall to zero or remain constant. This l...
متن کاملDMT Modulation on an Economical Cabling Scheme
DMT modulation has become a standard communications method for DSL and indoor LAN technology. By utilising the FFT it is able to overcome the problems associated with transmission over a nonflat communications channel. In DSL and indoor LAN technologies, the dominant source of performance impairment is crosstalk. Results are presented here in the context of DMT on an economical cabling scheme w...
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ژورنال
عنوان ژورنال: Canadian Journal of Animal Science
سال: 1961
ISSN: 0008-3984,1918-1825
DOI: 10.4141/cjas61-019