锥虫类药物苏拉明经过多硫酸化处理，即使在 pH 值为1时也会产生阳性的阿尔辛蓝反应。
Trypanocidal drug suramin is polysulfated and gives a positive alcian blue reaction even at pH 1.
我们把这两个流行病联系在一起处理，当病人感染了艾滋病毒，我们立即对他们进行结核病检测，几乎可以预计结果阳性。
The two epidemics are treated almost as one entity. When patients have HIV, we immediately test them for TB - we almost expect that they will have it.
还不清楚这两种被检测出为阳性的美国配方奶粉会被做出何种处理。
It is not clear how the chemicals ended up in the two separate U. S. formula samples that tested positive.
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