在炼丹的过程中，炼丹术士们围绕着丹砂以及与丹砂有关的物质进行了各种可能性的探索和实验，并了解到了许多相关的化学知识。

During the process of refining pills, some alchemists had understood chemical knowledge by various kinds of possible experiments and exploration on cinnabar and related materials.

youdao

可用于比沙可啶片剂的含量测定和有关物质检查。

It can be used for the determination of the content of the bisacodyl tablet and its related substances.

youdao

因为这里没有那么多有关恐龙的物质资料，所以我在考虑如何将研究继续。

Because there wasn't as much dinosaur material back then, I wanted to see if it held up.

youdao

That DNA gets replicated to make many more copies of the viral DNA using host mechanisms, that is, often using the DNA polymerase which is naturally present in the host cell for its own replication.

病毒DNA进行复制,通常是利用在宿主细胞自身的有关物质,利用宿主细胞中天然存在的,DNA聚合酶来大量复制病毒DNA

耶鲁公开课 - 生物医学工程探索课程节选