The plant species Pimpinella serbica (Vis.) Drude, endemic to West Balkans, belongs the genus L. (Apiaceae) according newer botanical classification. Initially, was described as Pancicia Vis. and long considered a monotypic genus. Previous phytochemical investigations of this were limited essential oil analysis by GC?MS method. This is first study that includes LC-DAD?MS screening extracts root...

standing 01 their Needs. New Lducation bellowship Monograph, No. 2. Obtainable from N.E.F., 50 Gloucester Place, London, W.l. Is. 6d. Here in a collection of three essays (Fatherless Children by Susan Isaacs, The Bereaved Wife, by Joan Riviere, What the Father means to a Child, by Ella Freeman Sharpe), is a beautiful refutation of the common indictment that psychologists think only in terms of ...

MOSFET is the most commonly used devices in DC-DC power converters, and its performance is important to the prognosis and health management of power. The paper proposes a degradation analysis model for MOSFET in DC-DC power converters. A method for detecting the degradation of MOSFET is also introduced. Simulations have shown that the method can predict deterioration in the performance of MOSFE...

evaluation of essential oil yield, morphological and phenological traits of seven populations of twochamomilespecies )matricaria aurea and m. recutita), were carried out using randomized completely blocks design (rcbd) in three replications in alborz research station in karaj, iran during 2011-2012. data were collected for 12 morphological and phenological traits. analysis of variance showed si...

in this study, the aerial parts of pimpinella puberula were collected from ramhormoz and mashhad (khuzestan and khorasan provinces) at the vegetative, flowering and seeding stages. essential oils from the whole aerial parts as well as stem/leaf, inflorescence, unripe and ripe seeds, were isolated by hydro-distillation. the yields of essential oil obtained from the ramhormoz samples were 0.49%, ...