1.I cannot explain it scientifically, but if I explain it chemically, it is classified as a congenital love and an acquired love.
我无法科学地解释爱情，但从化学角度上解释，应该分为先天和后天性爱情。
2.(chemistry and physics) unconstrained or not chemically bound in a molecule or not fixed and capable of relatively unrestricted motion.
（化学、物理学）不受拘束、在化学上不限于分子中、不固定或者能做相对自由的运动。
3.Radon is a chemically inert, naturally occurring radioactive gas. It has no smell, colour or taste.
氡是一种天然产生的放射性惰性气体，它无色、无味、无臭。
4.Under more strenuous conditions of temperature or catalyst the silanes bond chemically with the surface through siloxane linkage.
在加温或催化剂的十分剧烈的条件下，硅烷通过硅氧烷键和表面化学结合起来。
5."Today all the systems that are out there have to chemically label the DNA and copy it so they have enough to read it, " says Dr Sanghera.
“现在所有的系统都需要化学标记DNA并复制它，这样系统才能读出DNA，”桑赫拉博士说道，“所以现在的技术光花在预处理DNA上的时间，就长达五到十天。”
6.Where the UV light shines through, it chemically weakens the photoresist, leaving a pattern on the surface of the silicon.
在紫外光照射穿透的地方，光刻胶的化学特性会被削弱，使硅晶片表面留下图案。
7.Results The physically and chemically treated SIS was pure with more hollows on the surface and undamaged collagen fibers.
结果经物理和化学处理的SIS纯度高、孔隙多，胶原纤维未受损；
8.But the researchers at Pennsylvania State University were able to get around these problems by chemically modifying elements of the reactor.
但是，宾夕法尼亚州州立大学的研究者们修改了反应装置的化学方面的因素从而绕过了这些问题。
9.Any of various techniques that use antibodies chemically linked to a fluorescent dye to identify or quantify antigens in a tissue sample.
抗体荧光染色使用与荧光染色结合的化学抗体确认或定量在组织样品中的抗原的技术
10.Denaturing refers to removing a property from the alcohol (being able to drink it), not to chemically altering or decomposing it.
变性是指消除由酒精（财产能够喝），而不是化学分解或改变它。