pyrethrum

pyrethrum怎么读

英式音标：[paɪˈri:θrəm]

美式音标：[paɪ\'riθrəm]

pyrethrum的意思释义

n.

除虫菊，除虫菊杀虫剂；

变形

复数：pyrethrums

英英释义

n.

made of dried flower heads of pyrethrum plants

white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum

同义词：Dalmatian pyrethrumDalmatia pyrethrumTanacetum cinerariifoliumChrysanthemum cinerariifolium

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

同义词：painted daisyTanacetum coccineumChrysanthemum coccineum

used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum

同义词：genus Pyrethrum

pyrethrum用法及例句

双语例句

用作名词(n.)

This article draws up the pyrethrum ester insecticide.

本品是拟除虫菊酯类杀虫剂。

例句参考

Pyrethrum Flowers. Production, Chemistry, Toxicology, and Uses

Malabaricane derivatives from Pyrethrum santolinoides

Separation of natural pyrethrum extracts using micellar electrokinetic chromatography.

Constituents of pyrethrum flowers; synthesis and relative toxicity of two isomers of cinerin I.

Constituents of Pyrethrum Flowers. XXIII. Cinerolone and the Synthesis of Related Cyclopentenolones

SOME COMPOUNDS RELATED TO SESAMIN: THEIR STRUCTURES AND THEIR SYNERGISTIC EFFECT WITH PYRETHRUM INSECTICIDES

Evaluation of antimicrobial and antioxidant activities of solvent extracts of Anacyclus pyrethrum L., from Algeria

Immunostimulating activity of the hot water-soluble polysaccharide extracts of Anacyclus pyrethrum, Alpinia galanga and Citrullus co...

Genotoxic effects of pentachlorophenol, lindane, transfluthrin, cyfluthrin, and natural pyrethrum on human mucosal cells of the infe...