["1. 2. 2年2月1号练
Thread Content
本帖最后由 percy 于 2017-2-3 12:58 编辑 判断题石油及馏分中的碱性氮化物主要有吡定系、喹啉系、异喹啉系和丫啶系。其环数随馏分沸点升高而增多。 **:正确
判断题 石油及馏分中的碱性氮化物主要有吡定系、喹啉系、异喹啉系和丫啶系。其环数随馏分沸点升高而增多。对
**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections
Submit Request — Free ConsultationThis is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.