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- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- Batteries have a high concentration of metals, which if notdisposed of properly can seep into the ground when the casing erodes. 电池中含有高浓度的金属，如果不正确地进行废弃处置，当外壳腐蚀时，就会渗透到地下。
- The frame of the umbrella is made of metal. 伞的骨架是金属制的。
- A coating of metal sheets or plates. 金属板的外覆金属片或金属板的外覆
- He shook a sheet of metal to simulate the noise of thunder. 他摇动一块金属薄片来模拟雷声。
- A thin sheet of metal, especially of tin. 锡铁片薄金属块，尤指锡
- Concentrate of apricots mixed with water and sugar. 混合杏仁、糖、水的浓缩物。
- They cut holes on the sheet of metal with a punch press. 他们用冲床在金属板上打孔。
- For this reason, formulators seek more efficient systems either to increase FR performances or to reduce concentration of metal hydroxide in their formulations. 为此，配方时寻求更高效的阻燃体系，以便提高阻燃效果，或降低配方中的氢氧化物浓度。
- A series of bimetal coordination complex fibers with different content of metal were prepared by controlling the concentration of metal ions and reaction time. 摘要通过控制金属离子的浓度和反应时间制得一系列不同金属含量的双金属配合物纤维。
- A large drinking bowl or goblet made of metal or hard wood. 大酒碗用金属或硬木做成的大酒碗或酒杯
- He is familiar with the chemistry of metals. 他对金属的化学性质知之甚多。
- There is a concentration of people in big cities. 大城市人口集中。
- This process produces corrosion of metals. 这一过程造成金属的腐蚀。
- The workman flattened a piece of metal by hammering it. 工匠将一块金属锤平。
- This is a kind of metallic paint. 这是一种有金属光泽的涂料。
- Eight kinds of metal ions could accelerate ChA hydrolysis process at the concentration of 1 mM and 0.1 mM, while the presence of most metal ions could inhibit ChB action except for Co2+. 8种金属离子在1 mM和0.;1 mM下;对ChA的酶解均有一定的促进作用; 对ChB的活性有一定的抑制作用(Co2+除外)。
- The result showed that,when temperature,pH value,concentration of metal ions were enhanced as well as the ratio of the mixed system(Brij35/SDS,TritonX-100/SDS,APG/SDS)increased,the CMC value of the solution decreased. 结果表明,随温度升高,pH值上升,金属离子浓度增加以及Brij35/SDS、TritonX-100/SDS、APG/SDS混合体系配比的增加,溶液CMC值减小。
- Honing is a processing method of metals. 珩磨是一种金属加工方法。
- The CMC of SDS was studied using conductivity method. The effects of temperature,pH value,concentration of metal ions(Cd2+,Zn2+,Pb2+),and mixed nonionic surfactant(Brij35,TritonX-100,APG) on CMC value of the solution were considered. 用电导法对十二烷基硫酸钠(SDS)的临界胶团浓度(CMC)进行了研究,考虑了温度、pH值、金属离子(Cd2+、Zn2+、Pb2+)浓度变化以及SDS和3种非离子表面活性剂(Brij35、TritonX-100、APG)的复配对溶液CMC值的影响。
