Sarita Stevens

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Recent studies have indicated that radiotherapy treatments undertaken on a flattening filter-free (FFF) linear accelerator have a number of advantages over treatments undertaken on a conventional linear accelerator. In addition, 4 MV photon beams may give improved isodose coverage for some treatment volumes at air/tissue interfaces, compared to when(More)
Ethanol, octanoic and decanoic acids are known toxic products of alcoholic fermentation and inhibit yeast functions such as growth and fermentation. pH-stat measurements showed that, in a concentration range up to 20 mg/l, octanoic and decanoic acids increase the rate of passive H+ influx across the plasma membrane of Saccharomyces cerevisiae IGC 3507.(More)
Reproductive development in male African green monkeys was characterized by evaluating both luteinizing hormone (LH) and testosterone (T) before and after gonadotrophin releasing hormone (GnRH) stimulation in relation to the physical maturation of the testis. There were LH responses to GnRH at all ages studied, but the failure of some animals to respond at(More)
This paper describes the results of a set of measurements carried out to assess the state of the practice of relative uranium enrichment measurements by gamma ray spectrometry and to compare a range of approaches by carrying out measurements on a set of uranium samples with known enrichments. Measurements made by a team from Canberra Industries were carried(More)
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