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1·The results showed the surface contamination produced in sample preparation and treatment can be eliminated if the sample was sputtered for enough time.

实验表明：样品经足够长时间的溅射，可以消除样品制备和处理过程中的表面污染，可以为其它高纯材料的检测提供可靠的科学依据。

2·Adopting optimized machining parameters of Laser-Microjet, higher cutting speed, higher surface quality, no surface contamination, and no oxidation is visible.

采用优化的水导引激光加工参数，对材料去除效率高，加工质量好，不产生污染空气的加工产物。

3·A three layer of aluminum exposed to atmosphere is identified: the aluminum and its native oxide, the corrosion layer atop oxide aluminum, and a surface contamination layer.

暴露于大气中的铝表面呈现三层结构，即氧化铝和氢氧化铝层、其上的腐蚀产物层和最上层的污染物沉积形成的污染物层。

4·The standard states that the citric acid-sodium nitrate treatment is the least hazardous for removal of free iron and other metallic contamination and light surface contamination.

该标准声明：柠檬酸-硝酸钠处理在去除游离铁合其他金属污染和轻的表面污染物时，危险性最低。

5·The presence of exogenous surface contamination, including dirt, grease, free iron from contact with steel tooling, and so forth, may interfere with the formation of the passive film.

外生的表面污染，包括：尘土、油脂、来自钢铁加工的游离铁等等，可以影响到钝化膜的生成。

6·Compared with the prior hygrometer with a moisture sensitive sensor, the invention solves the problem of short service life of the sensor as no failure resulting from the surface contamination occurs.

与湿敏传感器的湿度计相比，由于不存在表面污染失效的情况，所以解决了传感器使用寿命短的问题。

7·Advantages sof direct sampling are that areas hardest to clean and which are reasonably accessible can be evaluated, leading to establishing a level of contamination or residue per given surface area.

直接取样的好处是可以评估难以清洗和相当容易接近的区域，使得可确定每个给出的表面区域的污染物或残留物的级别。

8·In the cement pavement construction, application of plastic cover, to prevent contamination of the surface damage of cement slurry, the surface pattern and writing.

在水泥路面施工时，应用塑料膜将井盖盖好，以防止水泥浆沾染表面，损伤表面花纹、字迹。

9·The species and composition of contamination on the surface of cold rolled steel plates were investigated. Comparison between china made and imported cold rolled steel products was carried out.

研究和分析了国产冷轧低碳钢板试样表面污染物的种类及成分，并且与进口同类钢板进行了比较。

10·Recent findings have revealed that the adsorption behavior to contamination will be affected seriously by the surface groups and chemistry properties of black carbon.

最新的研究表明：黑碳的表面基团和表面化学性质将极大影响其对污染物的吸附行为。