Immunohistochemical analysis of paraffin-embedded human lung carcinoma, using FAK Antibody in thre presence of control peptide (left) or antigen-specific peptide (right).

在对照肽(左)或抗原特异性多肽(右)存在的条件下使用FAk抗体对石蜡包埋的人肺癌组织进行免疫组化分析。

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So if we take a look at nitrogen here, what you'll notice is we have thre available for bonding, - and we already have our lone pair -- one of our orbitals is already filled up.

如果我们看一下氮原子，我们注意到我们可以成3个键，我们已经有一个孤对-,其中的一个轨道已经被填满了。

麻省理工公开课 - 化学原理课程节选

Thre keyboard itself has interchangeable WASD and cursor keys to be tweaked to your liking while the backlighting is capable of (a brilliantly excessive) 16 million color variants.

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Thre are two different possibilities here.

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