Secondary structure in RNA targets is a significant barrier to short DNA probes.

二级结构的RNA的目标是一个重大障碍短期DNA探针。

youdao

The properties of SL-080 grafted membrane separator and hydrocellulose triacetate (HCTA) membrane separator had been studied as a zinc dendrite growth barrier in secondary cells.

本文研究了SL—080接枝膜与水化三醋酸纤维素膜在锌二次电池中阻挡枝晶的性质。

youdao

The antiskid processing is most important, and the barrier-free toilet is most satisfying in the secondary factors.

二级要素中防滑处理重要性最高，无障碍厕所满意度最高。

youdao

"But the secondary barrier, once installed, will always be there, " Hesselbein said.

CNN: Pilots: Cockpits remain vulnerable to terrorist assault

Earlier this month, Ofsted inspectors warned of the problems created when pupils start in secondary school without adequate skills in literacy and numeracy - and how a lack of these basic skills becomes a barrier to learning other subjects.

BBC: NEWS | UK | Education | Struggling pupils get extra help