Search the site
Attention eLearning Users
We are upgrading our learning platform! As a result, if you have a course in progress, you'll need to complete it by December 24, 2021. Otherwise, you will need to restart the course beginning January 5, 2022 on our new platform. Repurchasing will not be necessary. Contact customer service with any questions.
Claim a 25% discount on all eLearning and virtual courses purchases until December 31 with code EDU25OFF.
eLearning (online) Course这门SAChE安全证书课程重点讲化学工业中的基本物质-氮气。因为是惰性气体，氮气在化工生产、加工、处理和运输等各个方面有着广泛的应用。氮封使可燃物的安全储存和使用成为可能，还有助于防止可燃粉尘爆炸。但是，它也是一个明显的窒息性气体，在其处理和使用中必须应用安全原则。