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- Introduction of metal impurity into TiO_2 to improve the photocatalytic activity of TiO_2 has been studied widely. 在二氧化钛中引入金属杂质以提高二氧化钛的光催化活性受到人们的广泛研究。
- Advanced manufacturing processes are applied and the content of metal impurity is rigorously controlled.The oxidant is reduced to the minimum extent in each manufacturing process. 采用先进制程并严格控制金属杂质的含量，并在每一制程中将氧化物降至最低程度。
- The characteristics and status quo on domestic and foreign metal clad sheet were briefly enumerated. 简要列举了复合钢板的主要特性以及国内外复合钢板的现状。
- Nickel is one of the most important metallic impurity in very large scale integrated circuit (VLSI).It affects seriously the VLSI properties. 金属镍是大规模集成电路中常被发现的杂质，它的沉淀严重影响着集成电路的性能。
- A method for determination of 9 metal impurities in high purity silicon tetrachloride was developed. 本文对钛厂回收副产物高纯四氯化硅中的9种金属杂质进行了测定。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
- A large amount of defect sites and metal impurities existed in CNF which could be effectively removed by high temperature treatment. 实验结果表明,化学气相沉积法合成的CNF含有较多金属杂质及表面缺陷位;
- Inferior copper pipe not only service life shortens greatly, cannot have antiseptic effect, still contain many metallic impurity, the meeting in entering water is caused to human body damage. 劣质铜管不但使用寿命大大缩短，不能起到杀菌作用，还含有大量的金属杂质，进入水中会对人体造成损害。
- FAAS method was applied to the determination of metal impurities(in eluding Zn,Na,Pb,K, Fe,Ca and Mg)in high purity lithium carbonate. 采用火焰原子吸收光谱法测定了高纯碳酸锂中多种杂质元素(包括锌、钠、铅、钾、铁、钙及镁)的含量。
- Has the magnetic device, may magnetize the water quality and is not been easy the metal impurities to enter the boiler, avoids the boiler scale production. 带磁性装置，可磁化水质和令金属杂质不易进入锅炉，避免水垢产生。
- Daily practice is the trick in learning a foreign language. 每天练习是学会一门外语的诀窍。
- She has a foreign accent that I can't quite place. 她有外国口音，但我听不出是哪儿的口音。
- Metallic impurity in lubricating oil 润滑油含金属杂质
- The country was bled white by her foreign rulers. 这个国家在异族的统治下民穷财尽。
- May be a little austere for foreign taste. 可能对外国口味而言过于朴素了些。
- KRS-5 single crystals have been grown in three kinds of atmospherest air, Ar and Ar+I_2. The scattering centers in crystals were examined and the metal impurities and oxygen content of the crystals were analysed. 在空气、流通氩气和Ar+I_2混合气体等气氛条件下生长出KRS-5单晶,检查了晶体中的散射,分析了晶体中金属杂质和氧含量。
- Do you accept foreign exchange certificate? 你们接受外汇券兑换券吗？
- I believe you take in foreign students. 我想你们是收外国学生寄宿的。
- Auger electroa spectrometer (AES) and X-ray photoelectron spectrometer (XPS) were used to analyse the component distribution and depth distribution of the metal impurities on the probe surface layer. 利用俄歇电子谱仪(AES)和X射线光电子谱仪(XPS)分析了探针表面层的金属杂质组份分布及深度分布。
- The police had captured a foreign spy. 警方抓获了一名外国间谍。
