نتایج جستجو برای: half a life
تعداد نتایج: 13587755 فیلتر نتایج به سال:
over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...
our studi es have shown normal cyclical patterns of ovarian stero ids and pituitary gonadotropines in pa tients with congenital absccncc o f th e uteru s. it appears that the life-long abscence of a fun ctioning uterus has no effect o n the fun ctional life span o f t he co rpus lurer um, but may have some effect in the level o f estrogenes iu th e seco nd half of the cycle.
in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...
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