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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
The test is used to detect surface iron contamination, i. e., iron salt residue from pickling, iron tool scratches on the stainless steel surface, iron deposits at weld areas, and iron oxides.
该检测用于检测表面的铁的污染，如浸酸中铁盐残留，不锈钢表面的铁制工具的刮痕，焊接区的铁沉积以及铁的氧化物。
It 'mainly concludes these characteristic parameters, such as visual, dryness, ion contamination, welding flux residual, surface insulation resistance and electric migration et al.
这些参数主要包括：外观、干燥度、离子污染、助焊剂残留、表面绝缘电阻和电迁移等。
Port facilities construction and renovation contribute to surface and ground water contamination and air pollution from asbestos, lead-based paint, dust, sediments, PCBs and petroleum hydrocarbons.
港口设施的建设和改造，而造成地下水污染和对空气的污染是来自石棉、含铅的油漆、灰尘、沉淀物、多氯联苯、石油碳氢化合物等。
This paper introduces a kind of wind power ring for cleaning contamination on insulator surface in power system, which consists of a insulation ring, the bowls moved by wind, brush ring and scraper.
介绍一种用于电力系统清扫绝缘子表面污垢的风力清扫环，它由一个绝缘环和风力推动碗、毛刷环、刮板等组成。
Of artificial pollution, it only impacted on the soil layers at surface and resulted in its high manganese, while the deep soil layers are similar to those without contamination.
人为污染主要影响土壤表层，以表层土壤中高锰为特征，其深层土壤中锰与无污染状态相似。
Washing corms with running tap water overnight before sterilization were effective for reducing surface epiphytic microorganisms significantly and depressing the rate of contamination.
此外，表面灭菌前采用流水冲洗过夜可有效减少球茎表面附生菌，明显降低污染率。
There are many factors pollute the surface water in Zhejiang province, daily sewage of town, industrial sewage and contamination of rural areas lead to serious water pollution.
浙江省地表水受污染的影响因素多，城镇生活污水和工业废水排放及农村面源污染均造成了较严重的水环境污染。
For the lower surface, wind speed generally little effect on the severity of the contamination, but the composition of pollutants in the environment impact the insulator salt density greater.
对于绝缘子下表面，风速一般对积污严重程度影响不大，但环境中污染物的成分对绝缘子盐密值影响较大。
Deposing of fly ash is in a great degree connected with development of high salinity mine drainage water, at the same time it decreases the contamination load carried away to the surface waters.
大规模的粉煤灰的充填会产生高碱性的矿山废水，与此同时，它也减少流向地表水系的废水中的污染负荷。
The product has no radioactive contamination, the surface smooth, easy to clean, good gloss, corrosion resistance, high strength, safe, etc. , is truly "green" products.
其产品具有无放射污染，表面光洁、易清洗、光泽好、耐腐蚀、强度高、使用安全等优点，是真正的“绿色环保”产品。
The impurity of iron is one major heavy-metal contamination on the silicon wafer. Surface photo-voltage method(SPV) can be used to accurately measure the iron contamination within the silicon wafer.
铁杂质是硅片制造过程中常见的重金属沾污，表面光电压（SPV）法可很好地用于测定P型硅中铁杂质。
The impurity of iron is one major heavy-metal contamination on the silicon wafer. Surface photo-voltage method(SPV) can be used to accurately measure the iron contamination within the silicon wafer.
铁杂质是硅片制造过程中常见的重金属沾污，表面光电压（SPV）法可很好地用于测定P型硅中铁杂质。
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