− : negative,+positive, F: Faint positive, W: Weak positive, M: medium positive, S: Strong positive, BG: strong background, lines invisible.*minor error,**Major error.

Figshare2015-12-02 更新40

Factors for false negative smear microscopy results among the studied laboratories in West Hararghe Zone, Oromia Region, 2015.

结核病诊断

实验室质量控制

Factors for false negative smear microscopy results among the studied laboratories in West Hararghe Zone, Oromia Region, 2015.

NIAID Data Ecosystem40

脱氧鸟嘌呤核苷一磷酸纯度标准物质

标准物质

实验室质量控制

编号：GBW(E)100146 名称：脱氧鸟嘌呤核苷一磷酸纯度标准物质应用领域:保存条件:置于-20℃冰箱中冷冻保存。使用注意事项:使用前应先从冰箱内取出然后置于烘箱内80℃烘干4小时后称量使用。标准物质使用过程中应严格防止沾污。

中国科技资源共享网2026-07-13 更新150

Laboratory quality-control data associated with samples analyzed for microbiological constituents at the USGS Ohio Water Microbiology Laboratory

水微生物学检测

实验室质量控制

This dataset contains data tables of laboratory quality-control data associated with environmental samples analyzed for microbiological constituents at the Ohio Water Microbiology Laboratory of the U.

U.S. Geological Survey2020-01-01 更新40

Overview of quality assurance/quality control activities.

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