An endophytic fungus resistance to penicillin was isolated from hyacinthus orientalis by culturing on a preliminary screening medium.
通过在初步筛选的培养基上培养，从风信子中分离出对青霉素的内生真菌抗性。
1 registration time: from the date of the announcement of the 10 working days. After preliminary screening preferred telephone notification of the initial interview.
报名时间：自本公告发布之日起10个工作日止。经初步筛选择优电话通知初步面试人员。
Objective To assess if there was high dose hook effect of one-step ELISA reagent in the preliminary screening on HIV antibody, provide evidences for the effect degree and solutions.
目的探讨一步法ELISA试剂在HIV抗体初筛实验中是否存在高剂量钩状效应，及其影响程度和对策。
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