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The yield and composition of essential oil obtained from the fruits of coriander (Coriandrum sativum L.) cultivated in Poland were investigated. Experiments were carried out by means of the hydrodistillation method using Clevenger and Deryng apparatus. No effect of the apparatus’ construction on the essential oil yield was observed during a 2-h process (yield of 1.62%). The composition of the coriander...
Iterative tomographic reconstruction methods have been developed which can enforce various physical constraints on the reconstructed image. An integral part of most of these methods is the repro. jection of the reconstructed image. These estimated projections are compared to the original projection data and modified according to some criteria based on a priori constraints. In this paper, the errors...
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