In 1923, French veterinarian Gaston Raman found that formalin neutralises the toxins secreted by diphtheria.

1923年，法国兽医·拉曼发现，福尔马林能中和白喉杆菌分泌的毒素。

Vaccines of this type are created by inactivating a pathogen, typically using heat or chemicals such as formaldehyde or formalin.

这种类型的疫苗是通过灭活病而产生的， 通常使用热量或甲醛或福尔马林等化学物质。

Each one was drained of blood, with a shaven head, the bodies grey in colour and infused with acrid-smelling formalin to preserve them.

每个尸都被抽干了血液，头被剃光，灰色，并浸透了刺鼻的福尔马林以防腐。

As with organisms or viruses used in killed or inactivated vaccines, this can be done via treatment with a chemical such as formalin, or by using heat or other methods.

对于灭活或灭活疫苗中使用的生物或病毒， 这可以通过用福尔马林等化学品处理， 或通过热或其他方法来完成。