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Investigation of secondary metabolites of nine medicinally important orchids of Bangladesh
Phytochemical investigation of nine medicinal orchdids species viz. Acampe papillosa (Lindl.) Lindl., Aerides odoratum Lour., Bulbophyllum lilacinum Ridl., Cymbidium aloifolium (L.) Sw., DendrobiumExpand
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Determinants of Unemployment in Bangladesh
Design and optimization of a dual band planar monopole antenna
This paper presents the design of a dual band planar monopole antenna operating in the ultra-wide band frequency range. The antenna is optimized by varying the radiator dimensions. Two values ofExpand