金属单质
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回收利用的CdS光催化性能降低;这是由于CdS不稳定,在空位离子的攻击下,金属单质Cd不断地沉积在CdS颗粒表面,从而阻碍了半导体的光催化活性。
Efficiency of recycled CdS semiconductor becomes lower due to the elemental Cd deposit on the surface of CdS , which blocks the photocatalytic reactivity .
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选用金属单质锡和硫粉作为反应物,不需任何表面活性剂,利用溶剂热法180℃反应24h,在ITO基底上一步合成了SnS纳米薄膜。
We selected the metallic simple substance of tin and sulfur powder as reactants , without any surfactant , utilized a hydrothermal method at180 ℃ for24h to synthesize the SnS films on ITO glass substrates directly .
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以Pb为基体电极,首先选用五种金属单质Ni、Sn、Cu、Bi、Zn进行修饰,筛选出性能较好的Ni、Sn、Zn作为被修饰组分。
With Pb as the base electrode , first of all , five kinds of metals such as Ni , Sn , Cu , Bi and Zn were applied to modify the base electrode respectively and the elements Ni 、 Sn 、 Zn with better performance were selected .
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氧化还原-结晶液膜法直接提取金属单质铟
Direct Recovery of Metallic Indium by Redox Crystallization Liquid Membranes
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金属单质对锌电极电化学行为的影响
The effects of metals on electrochemical behavior of Zn electrode
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这些结果展示了一些金属单质材料的双多普勒展宽谱随着电子结构变化而发生的变化。
The results show the relationship between 2-D Doppler broadening spectra and electronic structure of these elements .
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模拟了铜和铝两种金属单质组成混合物的冲击压缩性能,在分析了热传导影响后,计算了混合物的冲击温度和冲击绝热线。
On analyzing the effect of heat conduction , the shock temperature of the mixture and the shock Hugoniot curve are obtained .
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本文简略介绍了双多普勒展宽谱仪,实验数据处理,以及这些金属单质材料的数据和分析结果。
This article introduces the spectrometer , data analysis , the Doppler broadening of 10 pure metal samples , and the discussion about these results .
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综合不同放电制度的测试结果,最佳添加剂用量为金属单质05%、氧化物3%、无机盐04%。
According to test results of different discharge conditions , the best adding quantity was metal 0.5 % , oxide 3 % , inorganic salt 0.4 % .
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指出了直接电脱氧法是一种制备金属单质和合金的新方法,具有成本低、能耗少、污染小、工艺简单的特点,最有希望取代传统的金属锆制备方法。
It is pointed out that direct electro-deoxidation , a new process for preparing single metal and alloy , is characterized by low cost , less energy consumption , less pollution and simple process .
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讨论金属单质与水溶液体系中酸和碱作用过程的热力学问题,用酸碱溶剂理论探讨金属的酸碱性质,指出金属单质在与酸和碱的反应过程中总是作为碱;
Thermodynamic characteristics on the reactions of elementary metal with acid anti base in aqueous solution respectively were discussed and the acid-base character of metal was studied by the solvent-system acid-base definition . The elementary metal acted as base in the process of acid-base reaction .
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结果表明:在正极中加入金属单质和氧化物以及增加电解液中无机盐含量,Li/FeS2电池的放电容量和放电平台都有显著改善。
The experimental results showed that the discharge performance of Li / FeS_2 battery such as discharge capacity and plateau voltage had noticeable improvement by adding metal , oxide , inorganic salt in the cathode electrode and increasing the quantity of inorganic salt in the electrolyte .
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Ni、Cu则主要以氧化物存在于凝相中,在高温阶段会有少量金属气态单质生成。
Ni , Cu exist in the form of oxide in condensed phase . There will be a few of elementary gases at high temperature .
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讨论了金属镍单质生成的机理,并测试了金属镍纳米颗粒薄膜修饰的钛片的非酶的葡萄糖传感特性。
The formation mechanism of metallic nickel is discussed and the nonenzymatic glucose sensing ability of the prepared metallic nickel nanoparticle film is also investigated .
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利用聚乙烯吡咯烷酮作为还原剂,制备了金属镍单质纳米颗粒的薄膜,并测试了其非酶的葡萄糖传感性能。
In addition , metallic nickel nanoparticle film is synthesized using polyvinyl pyrrolidone as reduction agent . The nonenzymatic glucose sensing ability of the prepared metallic nickel nanoparticle film is also investigated .
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通过水热处理硝酸镍、尿素和聚乙烯吡咯烷酮的混合溶液,制备了前驱体的薄膜,在氮气中退火后,得到了金属镍单质纳米材料的薄膜。
Metallic nickel nanoparticle film on Ti substrate is prepared by calcining the precursor in N2 gas , which is synthesized through the hydrothermal reaction of nickel nitrate , urea and polyvinyl pyrrolidone .
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强调要把元素的金属性与单质的金属性活动性区分开,并分别用电离势和反应的自由能变化(或标准电极电势)来衡量。
Emphasizes the distinguishment of elementary metallicity from metallic activity of elements which should be respectively measured by ionization potential and free energy change of reaction ( or standard electrode potential ) .
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在处理的过程中,贵金属离子接受了高能电子,并被还原成金属单质。
And noble metallic ion had been reduced by high-energy electron and formed metallic particles in this process .
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理论和实验表明金属硼化物纳米材料具有丰富的结构形态和优异的物理化学特性,但是稀土金属单质和硼单质都具有高熔点、高沸点的物理性质使得金属硼化物的合成比较困难。
Theories and experiments results reveal that the metal borides have abundant structural and excellent physical and chemical properties . However , it is more difficult to synthesize the metal borides because of the high melting and boiling point of rare-earth metal and boron .