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tem methods
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  tem方法
     The compatibility and microstructure of the blended emulsion of ethylene-vinylacetate copolymer(EVA)emulsion and copolymer of acrylate(PA)emulsion were studied by using DSC,XRD and TEM methods.
     以DSC、XRD、TEM方法分析研究乙烯醋酸乙烯共聚物(EVA)乳液与丙烯酸酯共聚物(PA)乳液共混乳胶膜相容性及微观结构.结果表明:共混乳胶膜两个玻璃化转化温度有相互靠拢的趋势;
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     The nanocrystalline structure of Fe_(73.5)Cu_1Mo_3Si_(13.5)B_9 alloy annealed at 520℃ for 20-120 minhas been investigated by using XRD and TEM methods.
     本文用XRD和TEM研究了Fe_(73.5)Cu_1Mo_3Si_(13.5)B_9非晶合金在520℃,20-120min退火后形成的纳米晶结构。
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     In this paper, the function of Ba~(2+) in Pt/BaKL zeolite has been investigated by XRD NH_3-TPD and TEM methods.
     本文采用XRD,NH_3-TPD,IR以及TEM等方法考察了Pt/BaKL沸石中Ba~(2+)的作用。
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     The products are characterized by XRD, TEM methods.
     并采用XRD、TEM等方法对产物进行了表征。
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     The partial isothermal sections of phase diagram at 750℃ and 900℃ in FeNiCr-W-Mo system have been determined by X-ray and TEM methods. Experimental results show, that when the content of Mo% is higher than 1.5% and 1.0% the μ phase can be formed at 750℃ and 900℃ respectively.
     用X-线与电子衍射方法测定Fe-Ni-Cr-W-Mo系75O°C与900℃部分相区图,得出在750℃与900℃时,当含钼量分别大于1.5%与1.0%时就可以产生μ相。
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     The products are characterized by XRD and TEM methods.
     另外用XRD、TEM等方法对产物进行了表征。
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     Methods-
     2.实验方法
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     Methods:
     中南大学 博士学位论文方法:
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     TEM STUDYING OF TONSTEINS
     火山灰蚀变成因高岭石夹矸的TEM研究
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     Tem Observation of Fullerenes
     碳笼的TEM观察
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     ⑤ results of TEM;
     ⑤透射电镜观察结果。
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  tem methods
The strengthening and toughening mechanisms of hot-pressed Ce-TZP/Al2O3 ceramics were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) methods.
      
The influence of friction stir processing (FSP) parameters on the evolution of microstructure in an equilibrium-cooled, as-cast NiAl bronze (NAB) material was evaluated by optical microscopy (OM) and transmission electron microscopy (TEM) methods.
      
The complex physical metallurgy of the NAB is reviewed, and microstructure changes associated with FSP for a selected set of processing parameters are examined by optical microscopy (OM) and transmission electron microscopy (TEM) methods.
      
Modification of silicon by sodium in aluminum silicon eutectic alloy has been examined in detail by optical, SEM, and TEM methods.
      
The structure of polynuclear PdII hydroxocomplexes (PHC) formed as a result of alkaline hydrolysis of PdII chloride complexes was studied by EXAFS, SAXS, and TEM methods.
      
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The authors have suggested that natural spodumene of Xin-jiang can be utilized as a raw material for transparent glass-ceramics.Glasses in Li2O-MgO-Al2O3-SiO2 system containing nucleating agents such as TiO2, ZrO2, P2O6 were melted more easily when natural spodumene was introduced. Transparent glass-ceramics with excellent properties can be obtained after heat-treatment of the parent glass. Microstructure of the material was examined by DTA, XRD, TEM methods, and effect of foreign constituents in natural...

The authors have suggested that natural spodumene of Xin-jiang can be utilized as a raw material for transparent glass-ceramics.Glasses in Li2O-MgO-Al2O3-SiO2 system containing nucleating agents such as TiO2, ZrO2, P2O6 were melted more easily when natural spodumene was introduced. Transparent glass-ceramics with excellent properties can be obtained after heat-treatment of the parent glass. Microstructure of the material was examined by DTA, XRD, TEM methods, and effect of foreign constituents in natural spodumene was discussed.

作者建议利用新疆天然锂辉石作为制备透明微晶玻璃的原料。 制备了Li_2O-MgO-Al_2O_3-SiO_2系母体玻璃,含有TiO_2、ZrO_2、P_2O_5作为成核剂;当采用天然锂辉石时,玻璃较易熔化。母体玻璃热处理后获得性能优良的透明微晶玻璃。用差热分析法、X-射线衍射法、透射电镜法考察了该材料的显微结构,讨论了天然锂辉石内所含杂质造成的影响。

The dehydrogenation characteristics of nickel contaminated silica-alumina (SiAl) and cerium-exchanged Y zeolite (CeHY) have been investigated with a pulse microreactor using cyclohexane as feed material. It was found that meta- llic nickel particles formed by reduction of the ncikel deposits were dispersed on the surface of catalysts, and the dehydrogenation activity of the catalysts increased with increasing amount of nickel deposits.Hydrogenolysis of cyclohex- ane occurred simultaneously with dehydrogenation...

The dehydrogenation characteristics of nickel contaminated silica-alumina (SiAl) and cerium-exchanged Y zeolite (CeHY) have been investigated with a pulse microreactor using cyclohexane as feed material. It was found that meta- llic nickel particles formed by reduction of the ncikel deposits were dispersed on the surface of catalysts, and the dehydrogenation activity of the catalysts increased with increasing amount of nickel deposits.Hydrogenolysis of cyclohex- ane occurred simultaneously with dehydrogenation reaction due to the strong acidity of SiAl and CeHY catalysts. The particle size distribution of nickel on SiAl catalysts were measured direct- ly by TEM method, It is apparent that the particle size distribution of nickel for samples contaminated with nickel nitrate differs with that for nickel naphthenate. Their surface-average diameters of nickel particles are 9.4 and 10.1 nm respectively, which may satisfactorily explain the difference in cata- lytic activities of these two types of deposits. Steam treatment of catalysts at 650℃ does not change the particle size distributions of nickel and hence has hardly any effect on the dehydrogenation behavior of the catalysts.

本文以环已烷脱氢为典型反应,利用脉冲微反技术,考察了硅铝(SiAl)和铈Y型分子筛(CeHY)上不同形态的镍沉积的脱氢性能.实验结果表明硝酸镍和环烷酸镍沉积还原后,在催化剂表面上形成分散的金属镍微粒,具有较强的脱氢反应活性.随着镍沉积量增加,脱氢反应活性也增加.并且由于SiAl和CeHY催化剂本身具有较强的酸性,环巳烷在催化剂上同时还发生氢解反应.本文还用透射电子显微镜(TEM)直接地测量了SiAl催化剂表面上金属镍的粒度分布.发现硝酸镍和环烷酸镍沉积还原后得到的金属镍微粒的粒度分布不同,它们的面均直径分别为9.4和10.1nm.由此满意地解释了SiAl催化剂上硝酸镍沉积的脱氢反应活性比环烷酸镍高的现象.实验中还发现650℃水蒸气处理对催化剂上金属镍的粒度分布无影响.因而对脱氢性能影响也不大.

TeSeIn thin film is a kind of reversible phase change recording medium. Two kinds of TeSeIn thin films were prepared by thermal evaporation and magnebron spu btering methods respectively. Micromorphology and microstruoture of TeSeIn thin film were studied by TEM method. Using AES-PRO analysis, TeSeln thin film composition depth profile given and the diffusion profile of the interface between TeSeIn thin film and ZnS matching layer are given. The chemical shifts of binding energy of inner electron...

TeSeIn thin film is a kind of reversible phase change recording medium. Two kinds of TeSeIn thin films were prepared by thermal evaporation and magnebron spu btering methods respectively. Micromorphology and microstruoture of TeSeIn thin film were studied by TEM method. Using AES-PRO analysis, TeSeln thin film composition depth profile given and the diffusion profile of the interface between TeSeIn thin film and ZnS matching layer are given. The chemical shifts of binding energy of inner electron of Te, Se and In element in TeSeln thin film are given by X PS measurement. A method for preparing multi-component phase change recording thin film with high quality and high stability is discussed.

TeSeIn是一种可逆光存贮介质.分别用单源热蒸发和磁控溅射制备TeSeIn膜.利用透射电镜(TEM)研究了膜的结构和微观形貌.利用俄歇剖面技术(AES-PRO)给出了膜的组分深度剖面,分析了TeSeIn记录介质膜与ZnS保护膜界面间的互扩散大小.利用X光电子能谱(XPS)分析了组元深能级结合能的化学位移.最后根据上面实验结果简要讨论了制备稳定的多元记录介质膜的方法.

 
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