Isolation and structural elucidation of flavonoid from pyrethrum tatsienense 藏藥川西小黃菊中黃酮類成分的分離與結構鑒定
An insecticide derived from a plant , e . g . pyrethrum ( from chrysanthemum flowers ) 3來源于植物的殺蟲劑,例如除蟲菊(來源于菊花) 。
The shaoxing yellow wine organic phosphorus remains , the pyrethrum remains had not picked out 紹興黃酒有機磷殘留,菊酯類殘留均未檢出。
Made with purify carbon dust 、 pyrethrum no smoke 、 taste after light and don ' t irritate pneogaster 、 safety 、 higher effective 本品采用高效擬除蟲菊酯為有效藥物精心配制而成,無煙環保,驅蚊力強,氣味芳香,不污染環境,對人體無刺激。
Made with natural pyrethrum , it is well tested and passed by the technical experts . very good smell and effective protection against mosquitoes . kill mosquito last for 8 hours 本品采用高效擬除蟲菊酯及天然優質原料科學精制而成,驅蚊能力強,氣味芳香,對人體安全。
spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum 同義詞:painted daisy, Tanacetum coccineum, Chrysanthemum coccineum