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？

Small particle size; good mechanical stability.

粒径小；机械稳定性好。

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。

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。

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。

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。

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。

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。

"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。

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。

The difficulty of the remediation technology was that the topsoil of the site is sticky, small particle size and severely polluted.

铬渣污染场地的表层土壤由于粘性大、粒径小且污染严重成为治理的难点。

The palladium nano particles in the compound have good dispersion and small particle size, and can be used for detecting methane gas.

该复合物中钯纳米粒子的分散性好，粒径小，可应用于甲烷气体检测。

This machine is characterized by high ratio of crushing, small particle size, less impact from attrition and reliable breaking quality.

本机的特点是破碎比大，粒度小，不受易损件的磨损影响，破碎质量稳定。

The results show that small particle size, good connectivity among particles and high porosity of the cathode enhance the rate of electro-deoxidation.

结果表明：微孔阴极中的颗粒连通性好、颗粒尺寸小以及孔隙率高都有利于电脱氧的进行。

The results revealed that the borophosphate phosphor prepared by sol-gel method had small particle size, regular shape and higher fluorescence intensity.

本论文的研究结果表明，溶胶-凝胶法制备的硼磷酸盐荧光粉颗粒细小且均一，荧光强度较高；

The compact and small particle oxide film was very corrosion resistant. The weight gain rate of samples declined very much firstly, and then changed little.

致密细小氧化物膜具有很强的耐蚀性，腐蚀增重速率先是大幅降低，然后逐渐平缓。

So the control of very small particle sizes is important to the paint industry. The effectiveness of catalysts and the behaviour of drugs are another example.

所以在油漆工业，控制很小的粒子的尺寸是非常重要的。催化剂的有效性和药物性能也是一些例证。

The results showed that small particle size, good connectivity among particles and high porosity of the cathode could enhance the rate of electro-deoxidation.

实验结果表明：直接电脱氧法制备金属镝工艺是可行的，微孔阴极中的颗粒连通性好、颗粒尺寸小、孔隙率高均有利于电脱氧进行。

This article makes an experimental study of gas-phase turbulence modulation by particles with different material density in small particle Reynolds number range.

在颗粒雷诺数较小范围内，针对不同密度材料颗粒对气相湍流的调制规律进行了实验研究。

Children's toys made of soft rubber, fur, wool, sponge or plastic. If your puppy swallows a small particle of any of these materials, it could cause digestive problems.

由软橡胶，毛皮，羊毛，海绵或塑料制成的儿童玩具。如果狗狗咽下这些材料的碎片可能导致消化问题。

Conclusion LPD could be prepared easily with small particle sizes and high transfection activities. LPD may be good non-viral vectors for applications in gene delivery.

结论LPD是一种制备工艺简单、体外稳定性好、转染率高，具有应用潜力的非病毒载体系统。

With the advantage of high purity, small particle size, uniform size distribution and high sintering activity, wet method can compensate the shortcomings of dry process.

湿法制备的粉料具有纯度高、粒度小且分布均匀、活性高等特点，能够弥补陶瓷法的不足。

The preparation process is simple and easy to operate, and the prepared fluorescent powder has the advantages of low agglomeration, small particle size and excellent performance.

制备工艺简单，易于操作，所获得的荧光粉具有低团聚、颗粒尺寸小、性能良好。

When PHE with small particle size (remarked as PHE-S) was used, the impact and tensile strength of PA66/PHE blends were improved by the addition of the PHE, and presented synergistic effect.

当使用小颗粒尺寸的PHE时，PA66／PHE共混物的冲击强度有所提高，拉伸强度则略高于纯的尼龙66，但是两者都呈现协同效应。

Many harmful or controversial forms of pollution are either not measured - as is the case for carbon dioxide and small particle emissions - or the data is not made public, as is the case for ozone.

许多有害的或者有争议的污染物也未计算在内——比如说二氧化碳和小颗粒排放，或者其污染数据未公之于众——比如说臭氧层的破坏程度。

The measurement of the relative concentration of small particle groups has promising application prospects in the research of atmosphere, industrial burners, chemical factories and fire science.

微小颗粒场相对浓度的测量在大气、工业炉、化工厂及火灾研究等领域有着广阔的应用前景。

The measurements of the relative concentration of the small particle group have a wide application prospects in the fields of atmosphere, industrial burners, chemical factories and fire science.

微小颗粒场相对浓度的测量在大气、工业炉、化工厂及火灾研究等领域有着广阔的应用前景。