Powell对研究者的方法并不熟知，但是他猜想他们在获取资源之前，应该是首先对污水进行热处理的。
Powell is not familiar with the researchers' method, but said he guesses that they are first heat-treating the sewage before they reap its resources.
热处理要想顺利进行，必须对所有影响金属加热与冷却的因素进行严格控制。
Successful heat treatment requires close control over all factors affecting the heating and cooling of a metal.
然而，这种情况发生的机会可以通过对血液进行病毒检控，以及在有需要的情况下对血液制品进行热处理而大大减少。
However, the chances of this happening can be greatly reduced by screening all blood supplies for the virus, and by heat-treating blood products where possible.
应用推荐