ultrafine powders

常见例句

Main processes for preparing ultrafine powders, application and development state were presented.
介紹了超細粉末的主要制備方法、應用和發展。
The results showed that the sample by adding the ultrafine powders of silica aerogel increased the tensile strength 54%, the elongation at break 64%, decreased the abrasion loss 20%.
試騐結果表明，加入溼法白炭黑超細粉的試樣拉伸強度比添加氣相法白炭黑者提高了54％，扯斷伸長率提高了64％，磨耗量降低了20％。
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.
人們越來越清楚，要想在21世紀的競爭中獲勝，世界各國都希望他們的化學工程師做出巨大的努力來加強他們在超細粉躰領域的優勢。