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1·Have you ever gotten a piece of sand or dirt or other small particle in your eye?

你曾经有过沙子、灰尘或其他小颗粒进入眼睛的经历吗？

2·Small particle size; good mechanical stability.

粒径小；机械稳定性好。

3·So the control of very small particle sizes is important to the paint industry.

所以在油漆工业，控制很小的粒子的尺寸是非常重要的。

4·MgO powders, with small particle size, loose structure and high strain energy, have high activity.

晶粒细小，结构疏松，应变能大的氧化镁粉末具有较高的活性。

5·Small particle size fillers in-crease not only the tenacity, but also the rigidity and heat-resistance.

微粒径填料既可提高片材韧性，又能提高刚性及耐热性。

6·Small particle size cement is a special oil-well cement which is smaller than conventional API cement in size.

一种粒径比普通水泥小的特种油井水泥是小颗粒水泥。

7·Freely falling body was adopted to imitate high speed impact of small particle and convincing results were obtained.

采用自由落体冲击钠钙玻璃试件来模拟小球的高速冲击并取得了令人信服的结果。

8·In cooling process, when the temperature changed rapidly, the small particle would be obtained resembling the quencher.

降温很快时，与金属冶炼中的淬火相似，快速降温生成小晶粒。

9·Particulate matter, also known as particle pollution, is a complex mixture of extremely small particles and liquid droplets.

颗粒物也被称之为颗粒物污染，它是非常小的颗粒同液滴结合的一种复杂混合物。

10·The invention discloses a small particle size narrow distribution penicillin acylation enzyme fixed carrier preparation method.

本发明公开了一种小粒径窄分布青霉素酰化酶固定化载体的制备方法。