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Polyhydroxyurethanes (PHUs), polyurethanes with excellent properties, are cured without poisonous isocyanate. The carbamate groups in the structure can undergo bond exchange in the presence of amino g...
Essential oils of citrus fruits have many uses in consumer products so that efficient methods for their isolation are needed. Membranes are often used in the separation process but a common problem is...
With increasing concerns for health-improving foods, the demand for the flowers of Chrysanthemum boreale M. has become higher than ever. To fulfill the increasing demand for a high quality flower we i...
Chrysanthemum coronarium L. is one of the most important medicinal plants cultivated in East Asia. The objective of this study was to determine the effect of ammonium ion on the yield and effective co...
An experiment was conducted to study the relationship between calcium level in the hydrophonic solution on Chrysanthemum coronarium L. yield and essential oil contents. Regression analysis showed tha...

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