Implementation of spiked recovery experiments and calculation of recovery rates

ozi

Mmejuputa nnwale mgbake spiked na ngụkọta nke ọnụego mgbake

Nnwale mgbake bụ ụdị "nnwale njikwa".Mgbe akụkụ nke ihe nlele ahụ nyochara dị mgbagwoju anya ma ọ bụghị nke zuru oke, a na-agbakwunye ego a ma ama nke ihe a tụrụ atụ na nlele ahụ, wee tụọ ya iji chọpụta ma enwere ike nwetaghachi ihe ahụ agbakwunyere n'ụzọ dị iche iche iji chọpụta ma ọ dị njehie nhazi n'usoro. usoro nyocha.A na-egosipụtakarị nsonaazụ enwetara dị ka pasentị, nke a na-akpọ "nkwụghachi pasent", ma ọ bụ "nweghachi" maka nkenke.Nnwale mgbake spiked bụ usoro nnwale a na-ahụkarị na nyocha kemịkalụ, yana bụkwa ngwa njikwa mma dị mkpa.Ngwọta ahụ bụ ihe ngosi ọnụọgụ iji chọpụta izi ezi nke nsonaazụ nyocha.

Mgbake spiked bụ nha nke ọdịnaya (uru atụpụtara) na uru agbakwunyere mgbe agbakwunyere ọkọlọtọ nwere ọdịnaya amara (ihe atụpụtara) na nlele oghere ma ọ bụ ụfọdụ ndabere nwere ọdịnaya amaara wee chọpụta site na usoro ewepụtara.

mgbake spiked = (ụkpụrụ atụpụtara spiked - ihe atụnyere uru) ÷ ọnụọgụ spiked × 100%

Ọ bụrụ na uru agbakwunyere bụ 100, uru a tụrụ atụ bụ 85, nsonaazụ ya bụ ọnụego mgbake nke 85%, nke a maara dị ka mgbake spiked.

Nweghachi gụnyere mgbake zuru oke yana mgbake ndị ikwu.Ngwọta zuru oke na-enyocha pasent nke ihe nlele ahụ nwere ike iji mee nyocha mgbe nhazi ya.Nke a bụ n'ihi na enwere mfu nke sample mgbe nhazi.Dị ka usoro nyocha, a na-achọkarị mgbake zuru oke karịa 50% ka a nabata ya.Ọ bụ nha nke ihe atụnyere agbakwunyere ọnụ na matriks efu, mgbe ọgwụgwọ gasịrị, na ọkọlọtọ.A na-agbaze ọkọlọtọ ozugbo, ọ bụghị otu ngwaahịa dị ka otu ọgwụgwọ ahụ.Ọ bụrụ na otu ihe ahụ, dị nnọọ adịghị tinye matriks na-emeso, e nwere ike ịbụ a otutu nke mmetụta ihe na-echebe site na nke a, ya mere efunahụ mbụ nzube nke nyocha nke zuru mgbake.

Enwere ụdị abụọ nke mgbake ikwu na-ekwusi ike.Otu bụ usoro nnwale mgbake na nke ọzọ bụ usoro nnwale mgbake spiked.Nke mbụ bụ ịgbakwunye ihe a tụrụ atụ na matrix oghere, ọkọlọtọ ọkọlọtọ bụkwa otu ihe ahụ, a na-eji ụdị mkpebi a eme ihe karịa, mana enwere enyo na a na-ekpebi usoro ọkọlọtọ ugboro ugboro.Nke abụọ bụ ịgbakwunye ihe a tụrụ atụ n'ime ihe atụ nke ntinye uche a ma ama iji tụnyere usoro ọkọlọtọ, nke agbakwunyere na matriks.A na-enyocha mgbake ndị ikwu maka izi ezi.


Oge nzipu: Jun-02-2022