منابع مشابه
Tackling the ‘brown’ frown
A 41-year-old non-diabetic hypertensive male with chronic kidney disease (Stage V secondary to chronic interstitial nephritis) on maintenance haemodialysis presented with a recent onset of pain in the right lower limb. An X-ray of the lower leg showed a solitary, lytic soap bubble-like mass in the lower end of the fibula (Figure 1). Labs showed a serum creatinine of 11.4 mg/dL, blood urea 124 m...
متن کاملTackling the big three.
We have reported in the preceding paper that the treatment of plateau phase mouse EMT6 tumour cells with a combination of hyperthermia (HT; 44°C) and trifluoperazine (TFP; 30,ugml-1; an inhibitor of calmodulin) greatly enhances the cytotoxicity of the antitumour drug belomycin (BLM). The cytotoxic action of BLM is thought to arise from the induction of DNA damage in a manner which reflects chro...
متن کاملMax Chart: Combining X-bar Chart and S Chart
Control chart techniques have been widely used in industries to monitor a process in quality improvement. Whenever we deal with variables data, we usually employ a combination of X-bar chart and R chart (or S chart) to monitor both the center and the spread of the process. In this paper, we propose a simple alternative, that is, we design a single chart to monitor both the center and the spread...
متن کاملOn the multivariate variation control chart
Multivariate control charts such as Hotelling`s T^ 2 and X^ 2 are commonly used for monitoring several related quality characteristics. These control charts use correlation structure that exists between quality characteristics in an attempt to improve monitoring. The purpose of this article is to discuss some issues related to the G chart proposed by Levinson et al. [9] for detecting shifts in ...
متن کاملC-chart, X-chart, and the Katz Family of Distributions
In statistical process control, the primary method used to monitor the number of nonconformities is the c-chart. The conventional c-chart is based on the assumption that the occurrence of nonconformities in samples is well modeled by a Poisson distribution. When the Poisson assumption is not met, the X-chart (individuals chart) is often used as an alternative charting scheme in practice. In thi...
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ژورنال
عنوان ژورنال: The Serials Librarian
سال: 2007
ISSN: 0361-526X,1541-1095
DOI: 10.1300/j123v52n03_10