Introduction Vessel size imaging (VSI) has been proposed as a quantitative measure of mean diameter of cerebral vessels, which might be of importance in cerebrovascular diseases. This quantitative technique requires the measurement of apparent diffusion coefficient (ADC) and the accurate evaluation of cerebral blood volume (CBV), which were not available in previous studies. This study is on th...

A two level fault tolerant voltage sourse inverter(VSI) for permanent magnetic drives is designed and tested. Generally a two level inverter consists of three legs. In this case an extra (redundant ) leg is added that replaces the fault leg. Extra leg is added by using by back to back connected thyristor this inverter works on both open circuit and short circuit fault. The main advantage is pos...

BACKGROUND Streptokinase (SK) is a potent plasminogen activator with widespread clinical use as a thrombolytic agent. It is naturally secreted by several strains of beta-haemolytic streptococci. The low yields obtained in SK production, lack of developed gene transfer methodology and the pathogenesis of its natural host have been the principal reasons to search for a recombinant source for this...

E. L. Barbier, S. Valable, C. Lucatelli, I. Troprès, C. Segebarth, C. Rémy Inserm, U594, Grenoble, F-38043, France, Univ Grenoble 1, Grenoble, F-38043, France, Inserm, IFR1, Grenoble, F-38043, France Introduction The vessel size index (VSI) provides information on the distribution of vessel radii in a voxel (1). Experimentally, it can be estimated by quantifying the changes ∆R2 and ∆R2 induced ...

The cumulative conformance count (CCC) charts are widespread in process monitoring of high-yield manufacturing. Recently, it is found the use of variable sampling interval (VSI) scheme could further enhance the efficiency of the standard CCC charts. The average time to signal (ATS) a shift in defect rate has become traditional measure of efficiency of a chart with the VSI scheme. Determining th...

Recent studies have shown that the variable sampling interval (VSI) scheme helps practitioners detect process shifts more quickly than the classical scheme (FRS). In this paper, the economically and statistically optimal design of the VSI T2 control chart for monitoring the process mean vector is investigated. The cost model proposed by Lorenzen and Vance (1986) is minimized through a genetic a...