fragmentation pattern造句
例句與造句
- 281 double crossover mutants were examined by fermentation experiments and hplc analysis for production of polyketides . besides avermectin b1a and b2a , a new compound ( about l ~ 4ug / ml ) which showed a retention time and fragmentation patterns identical to those of the authentic sample of 22 , 23 - dihydroavermectin bla by hplc and lc / ms analysis were detected in culture extracts of 27 isolates
在篩選的281個(gè)雙交換突變株中,有27株除了產(chǎn)生阿維菌素b1a和b2a ,還產(chǎn)生一個(gè)新組分,經(jīng)hplc和lc ms分析,證實(shí)該組分為c - 22 , 23雙氫阿維菌素b1a (即伊維菌素b1a ) 。 - It's difficult to find fragmentation pattern in a sentence. 用fragmentation pattern造句挺難的
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