CHECK LIST OF FIRST RECORDED DRAGONFLY (ODONATA: ANISOPTERA) FAUNA OF DISTRICT LOWER DIR, KHYBER PAKHTUNKHWA, PAKISTAN

Check list of first recorded dragonfly (Odonata: Anisoptera) fauna of District Lower Dir, Khyber Pakhtunkhwa, Pakistan

The dragonflies (Odonata: Anisoptera) Western Show Saddles are large, intermediate to small size, having different colours and variable morphological characters.They also carry ornamental and environmental indicator values.The first recorded, the collection of 318 dragonflies was made during May-July 2011 from district Lower Dir, Khyber Pakhtunkhwa

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NATURAL POLYACETYLENE COMPOUNDS

In article the review of the initial stage of researches of natural polyacetylene compounds is resulted.The high reactionary ability leading to fast oxidation and degradation of these compounds, especially at influence of Uf-light, oxygen of air, pH and other factors, has caused the serious difficulties connected with an establishment of Lips struc

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