该液体检测不出含硫，可借助缓和加氢精制转化成高度饱和的合成燃料。
The liquids contain no detectable sulfur and can be converted by mild hydrotreating into highly saturated synthetic fuel.
当用FISH检测不出白血病细胞时，还可以采用灵敏度极高的PCR方法。
PCR (polymerase chain reaction) is a very sensitive test that is used when there are no CML cells found by FISH .
脱壳冷榨双低菜籽饼脱毒后硫甙的含量用紫外分光光度法检测不出，单宁的脱除率达90 %。
For the double low rapeseed cakes, more than 90% tannin is removed and no glucosinolate is detected in the resulted rapeseed cake by UV.
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