Li-intermediates tsa meriana

Li-intermediates tsa meriana

Lilemong tsa bo-1990, tlhahiso ea lapeng ea ammonia thiamethoxam oxime acid ea tlholisano ea mebaraka ea likhoebo tse fetang 20 e ntse e eketseha tlholisano e matla lipakeng tsa likhoebo e bakoa ke boqapi ba pele ba theko e tlase ho fihlela joale litšenyehelo tsa tlhahiso ea ammonia thiamethoxam oxime acid e ka fokotsoa ho ba tlase ho feta. 50000 / lithane tsa AE - litšenyehelo tse sebetsang tsa tlhahiso ea ester li fokotsehile ho tloha ho feta 40 m / lithane ho fihlela joale ka tlase ho 160000 / tonne leha moetsi e mong le e mong e le lekunutu la tekheniki empa a nka mekhoa e fapaneng ea ts'ebeliso ea mahlale a macha hangata nakong ea lilemo tse 2-3. e tla fumana phahamiso haeba lik'hamphani ho pholletsa le naha li se na bokhoni bo botle ba nts'etsopele hangata ho thata hore nakong e mahareng ho isa ho e telele li tsamaisane le litšenyehelo le litheko li theoha ka lebelo le joalo.

Kajeno ammonia thiamethoxam oxime acid e fihlile tekanyong ea tlholisano e tšoeu-e chesang e etsa hore ho be le phihlello ea pejana indastering mme e na le tekanyo e itseng ea khoebo e seng e ntse e le ho latela matla a hau a botekgeniki le chelete ka mokhoa o ikhethileng ho fana ka lihlahisoa tse ling tse kang hebei jintong. indasteri ea meriana ea lik'hemik'hale ke tlhahiso ea malapeng ea ammonia pele thiamethoxam oxime acid (ho akarelletsa le khoebo ea AE - e-active ester) empa hona joale e lahliloe tlhahiso ea lihlahisoa tsa lichelete ka bobona e le molemo ho triazine ring 'me e imenne habeli matla a eona a tlhahiso ea lithane tse 5 / khoeli ke pele moralo bokgoni ba makhetlo a fetang 10 sebakeng sa shandong jincheng lik'hemik'hale e emisoa triazine lesale tlhahiso le motse-moholo bohareng sebelisoa tlhahiso ea ammonia thiamethoxam le AE - acid e oxime.

Ester e sebetsang e fihlileng ho lithane tse 70 ka khoeli le lithane tse 50 ka khoeli Le hoja hona joale ka mabaka a sa tšoaneng a malapeng ammonia thiamethoxam oxime acid le triazine ring, ketsahalo ea ho tsoa ha thepa empa ha e na monyetla o mongata oa ho qala khoebo e ka nka bakeng sa ho etsa lihlahisoa tsena ho nka mokhoa o mocha oa matla a felletseng a khoebo ka mekhoa e mengata ho thata ho qothisana lehlokoa le lifeme tsena tse thehiloeng hang ha ho se tsitse ha mebaraka le sehlopha sa likhoebo li tla felisoa.