单词：sulfur trioxide
sulfur trioxide的用法和样例：
例句
- The new toluene sulforation tcehnology and the structure off the jetting loop sulfonation reactors of the gaseous sulfur trioxide were presented.主要介绍了气相三氧化硫甲苯磺化新工艺及喷射环流磺化反应器的结构。
- The direct reaction between sulphur dioxide and oxygen to give sulphur trioxide is slow and requires a catalyst.二氧化硫与氧气直接反应生成三氧化硫是很慢的，且需要催化剂。
单词：sulfur trioxide 相关文章
Effective pollution controls adopted in 161 major Chinese cities have greatly improved air quality, a green organization said last Monday. 一家绿色环保组织上周一表示，中国161座主要城市采取的有效的污染防治措施使空气质
英语新闻
Political Advisors Hand Proposals on Environment Protection Environmental protection is going to be one of the focus-areas for both the political advisory body and the lawmakers on the National People's Congress. Wan Jie, a member of the national com
英语新闻
Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的
英语新闻
The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in
英语新闻
The proportion of hazardous metal toxins in PM2.5 in Beijing has decreased for the past three years, which experts lauded as the initial achievement of the city's anti-smog measures. 过去三年，北京市PM2.5中对人体有害的金属毒素的比重
英语新闻