It is becoming clear that to successfully compete in the 21st century, countries will require their chemical engineers making tremendous efforts to improve their mastery of ultrafine powders.

• 人们越来越清楚，要想在21世纪的竞争中获胜，世界各国都希望他们的化学工程师做出巨大的努力来加强他们在超细粉体领域的优势。