Our chemistry teacher often reduces a compound to its components in lab.

在实验室化老师常把化合物分解成分。

I have only a rudimentary knowledge of chemistry.

只有些粗浅化知识。

He is hot in mathematics and chemistry.

他数和化极好。

The new chemistry lab was paid for by friends of the college.

新化实验室是由院资助者出钱建。

As a new subject,sonochemistry had been applied in many chemistry and chemical industry fields.

声化作一门新科,已经广泛应用于化及化工领域。

As Mr. Sinclair was ill, Mr. Cook substituted as our teacher of chemistry.

由于辛克莱先生病了, 库克先生代任们化老师。

For her twelfth birthday, she asked for a chemistry set.

她要一个化箱作她12 岁生日礼物。

To avoid the argument, we employed thiophosphate chemistry in the repair patch mapping.

了避免此项疑虑，因此改用含硫磷酸化方法来探讨可能修复路径。

It is betimes operation, radialization and chemistry therapy.

宜早期手术切除,术后辅以放、化疗。

The paper is about application of several technology on biological chemistry in hereditism.

本文介绍几生物化技术在遗传应用。

The fundamentals of inorganic chemistry are very important.

无机化基础很重要。

The chief sciences are chemistry, physics and biology.

主要自然科是化、物理和生物。

The chemistry book had asummary at the end of each chapter.

那本化书于每章末均附有一概要。

The course will encompass physics, chemistry and biology.

课程将包括物理、化和生物。

We put chemicals in test tubes in our chemistry class.

们上化课时把化药品放进试管里。

I hope to go to medical school eventually. In the meanwhile, I’m going to study chemistry.

希望最终能上医院，这之前打算化。

Did you pass your chemistry exam?

你化考试及格了吗?

She instructs a class in chemistry.

她给某班生上化课。

The student was excellent in chemistry.

这个生化成绩优异。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机溶剂，化腐蚀性介质旋转泵，阀门填料密封。