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1·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。

2·1 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。

3·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。

4·A preliminary blood screening could reduce some of the demand, experts said - if the test proves valid in larger studies and receives federal approval.

有关专家认为，如果血液检测在大量研究中证实有效并获联邦通过，初步血液检测筛查可减少这些结肠镜检的需要。

5·Preliminary assessment and screening of project proposals for research funds is one of the major tasks facing the department of research management in institutions of higher learning.

对科研基金申报项目进行初步评估和筛选，是高校科研管理部门的主要工作之一。

6·Objective: on basis of preliminary studies, to prepare the effective components group of Xiaoxuming decoction for anti-ischemic by combining chemical analysis with pharmacological activity screening.

目的：在前期的研究基础上，通过化学分析和药理活性分析相结合的方法，制备小续命汤抗脑缺血有效成分组。