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Стр. 1246
When one part 1,8 - cineole and 39 parts benzyl acetate were mixed ( the approximate proportions of these compounds in the fragrance of Stanhopea tricornis Lindl . ) only 49 individuals from 8 species were attracted .
When one part 1,8 - cineole and 39 parts benzyl acetate were mixed ( the approximate proportions of these compounds in the fragrance of Stanhopea tricornis Lindl . ) only 49 individuals from 8 species were attracted .
Стр. 1247
In all cases the bees behaved may thus limit the number of bee spe- certain of the compounds , the bees in the same manner at the liquid - soaked cies attracted when numerous species tend to die quickly . The presence of blotters as at ...
In all cases the bees behaved may thus limit the number of bee spe- certain of the compounds , the bees in the same manner at the liquid - soaked cies attracted when numerous species tend to die quickly . The presence of blotters as at ...
Стр. 1249
An exception were the same as the floral fragrance . is Dendrobium ( estimated to consist Approximately 50 compounds are of 1600 species ) which occurs through- present in euglossine orchid fragrances , out tropical Asia and Australia .
An exception were the same as the floral fragrance . is Dendrobium ( estimated to consist Approximately 50 compounds are of 1600 species ) which occurs through- present in euglossine orchid fragrances , out tropical Asia and Australia .
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acid actin activity addition American analysis animals appear applied associated cells chromatography complete compounds concentration containing cost Department determined direct effect energy example experiments factor field function given human important increase indicate Institute laboratory less light limited mass material means measured mechanism ment Michigan million myosin natural normal Notes nuclear observed obtained occur operation organic percent period physical plants Pleistocene position possible present Press problems produced protein range reaction recent recorded References region relative reported represents response sample Science scientific selection separated Service similar solution species structure studies suggested surface Table temperature tion units Univ University York