specific radioactivity

基本解释

Three samples consisted of standard or quasi-standard substances with known specific activities of some nuclides while the radioactivity of the other sample was unknown.
该比对中的三种样品是由一些具有已知核素比活度的标准物质或准标准物质构成，而另一种是活度未知的盲样。
Now that we have confirmed specific and accurate targeting, in subsequent studies we will arm the J591 antibody with drugs or radioactivity, and then we will assess tumor response.
既然我们已经证实它的特异和准确靶向作用，随后的试验我们侧重于将J591抗体和药物或放射性物质结合来确定治疗肿瘤的作用。
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Methods The measurable range was broadened through: Lowering of the specific radioactivity of the labelled antigen, increasing the concentration of the anti-serum and improve the curve fitting method.
方法：通过降低标记抗原的比放射性，提高抗血清的浓度，改进曲线拟合方式等方法，扩大测定范围。