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  能谱仪
     Valence state effects of spectral line intensity ratio I_(Lα)/I_(Kα) and I_(Lα)/I_(Lβ) of Cu and its oxides are studied by Scanning Eletronic Microscope (SEM), Energy Dispersive Spectrdmeter (EDS) and Wavelength Dispersive Spectrometer (WDS).
     利用扫描电子显微镜(SEM)、X射线能谱仪(EDS)及X射线波谱仪(WDS)研究了铜及其氧化物的I_(Lα)/I_(Kα)和I_(Lα)/I_(Lβ)谱线强度比的价态效应。
短句来源
     The bond strength of Ni-P coating on Mg alloy AZ91D is studied with metalloscope,SEM,EDS.
     利用金相显微镜、SEM、能谱仪(EDS),研究了镁合金AZ91D的化学镀Ni-P的结合强度。
短句来源
     RESULTS: Detected by scanning electron microscope and EDS X-ray detector, the mean diameter of the particle was ≤5 μm; The detection of the normal distribution was 87.93%≤20 μm and 95.08%≤20 μm.
     结果经扫描电镜、X射线能谱仪检测,二味药材的超细粉粒径均≤5μm,正态分布测定分别为87.93≤20μm和95.08≤20μm。
短句来源
     In the medium of 0.5 mol/L H 2SO 4 and 0.5 mol/L KCl,respectively,the electrode prepared is shown to be stable and have a good catalytic property for the reduce of BrO - 3.The electrode is characterized by using SEM,SEM EDS and XPS techniques.
     实验发现在 0 .5 mol/L H2 SO4 或 0 .5 mol/L KCl介质中制得的硅钼杂多酸的聚吡咯薄膜修饰电极具有较好的稳定性和催化性能 ,用扫描电镜 (SEM)、SEM-能谱仪 (EDS)和 X射线光电子能谱 (XPS)等手段对修饰电极进行了表征
短句来源
     As-cast microstructures and their distribution of Mg-Zn-Y ternary alloy with high magnesium,low zinc and yttrium were examined using Nikon Epiphot optical microscopy(OM),RigakuD/max-3C X-ray diffraction(XRD),and JEOL JSM-6700F scanning electron microscopy(SEM) equipped with an energy-dispersive X-ray spectroscopy(EDS).
     采用Nikon Epiphot型光学显微镜、RigakuD/max-3C型X射线衍射仪(XRD)、带有能谱仪(EDS)的JEOL JSM-6700F型扫描电子显微镜(SEM)研究了高镁、低锌、低钇三元Mg-Zn-Y系合金的铸态组织及其分布特点。
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  eds等
     The crystallization behavior of a glass from MgOAl 2O 3SiO 2TiO 2CeO 2 system was investigated by means of DTA, XRD, TEM, SEM and EDS.
     通过DTA ,XRD ,TEM ,SEM和EDS等测试手段 ,研究了MgOAl2 O3SiO2 TiO2 CeO2 微晶玻璃的相转变过程。
短句来源
     The high temperature hot corrosion behavior of the (Ni, Pd)Al coating coated with Na2SO4 or Na2SO4+25%NaCl at 900 ℃ was investigated by TGA, XRD, SEM/EDS.
     利用XRD,TGA,SEM/EDS等方法,研究了(Ni,Pd)Al涂层在纯Na2SO4以及Na2SO4+25%NaCl两种熔盐环境中的高温抗热腐蚀行为.
短句来源
     The composition of hydrates of the CBC materials developed in the CaO SiO 2 P 2O 5 H 2O system were studied by XRD and SEM EDS techniques.
     利用XRD和SEMEDS等测试技术对CaOSiO2P2O5H2O系统中CBC材料的水化产物组成进行了研究。
短句来源
     ZrB_2+20vol%SiC, ZrB_2+25vol%SiC, ZrB_2+30vol%SiC and ZrB_2+20vol%SiC+20vol%ZrC composites were prepared by hot-pressing with vacuum. The microstructures and phase constitutions of the composites were investigated by the means SEM, EDS etc. .
     本文采用真空热压烧结工艺制备了ZrB_2+20%SiC、ZrB_2+25vol%SiC、ZrB_2+30vol%SiC和ZrB_2+20vol%SiC+20vol%ZrC四种陶瓷基复合材料,利用SEM、EDS等手段对其组织和相成分进行了分析,并对其力学性能进行了测试。
短句来源
     The effect of Ca content on microstructure and mechanical properties of AZ61 -1Si alloy was investigated by OM, XRD, SEM and EDS.
     利用OM、XRD、SEM、EDS等方法,研究了Ca含量对AZ61-1Si合金显微组织和力学性能的影响。
短句来源
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  供氢溶剂法
     The purpose of this paper is to introduce the available technology pertaining to the liquefaction of coal during the last decade, mainly the new development in Germany: such as German New Technology, EDS, SRC and H-Coal.
     本文主要介绍十年来煤液化技术的进展,重点介绍了德国液化新工艺、供氢溶剂法、溶剂精炼煤法、氢煤法和费托合成法。 同时讨论了煤液化技术的关键和展望。
短句来源
  “eds”译为未确定词的双语例句
     A DIRECT NO-STANDARDS EDS QUANTITATIVE ANALYSIS
     直接无标样x光能谱定量分析
短句来源
     SEM and EDS analysis of sodium migration in the carrier of V_2O_5-TiO_2 catalysts
     V_2O_5-TiO_2系催化剂载体钠迁移的扫描电镜和能谱分析
短句来源
     STUDY ON TITANIUM-GEL ADSORBENT BY MEANS OF SEM, EDS AND TEM
     钛胶吸附剂的SEM,EDS及TEM研究
短句来源
     IMPROVEMENT OF QUANTITATIVE EDS ANALYSIS OF THIN FILMS BY MEASURING THE I(L)/I(K) INTENSITY RATIOS
     利用实验I(L)/I(K)比值改进薄膜无标样定量分析
短句来源
     Si_3N_4 Grain Boundary Phase Studied by TEM and EDS
     Si_3N_4晶界相的电子显微镜和EDS能谱研究
短句来源
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  eds
Then, an observation of scanning electron microscopy (SEM) and an electronic data systems (EDS) analysis of slag were performed respectively.
      
The catalysts were characterized by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS).
      
The surface morphologies and characteristics of the MIP were determined by BET, scanning electron microscopy (SEM), FTIR and energy dispersive X-ray spectrometer (EDS).
      
There were 17.1 wt-% of iron and 11.1 wt-% of chromium found on the coke surface detected by energy dispersive spectroscopy (EDS) which suggests carburetionon alloy.
      
Undecalcified cross-sections of implant were performed to observe bone-implant by scanning electron microscopy (SEM) and energy dispersive spectromicroscopy (EDS).
      
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In general, the quantitative electron probe microanalysis is based on comparisons with standard samples. In this article, a method of the quantitative analysis of binary alloys without reference to standard samples is introduced. After simultaneous measurements of the ratios of the Kα photons of two elements in the binary alloys (Cu-Ga, GaAs) in SEM-EDS equipment, the constituents of the binary alloys are calculated from a simplified formula for the energy loss of the incident electrons, the X-ray excitation...

In general, the quantitative electron probe microanalysis is based on comparisons with standard samples. In this article, a method of the quantitative analysis of binary alloys without reference to standard samples is introduced. After simultaneous measurements of the ratios of the Kα photons of two elements in the binary alloys (Cu-Ga, GaAs) in SEM-EDS equipment, the constituents of the binary alloys are calculated from a simplified formula for the energy loss of the incident electrons, the X-ray excitation cross-section and the secondary fluorescence. When the overvol-tage of the incident electrons is kept in the range 2-3, the calculated results show good agreement with the actual constituents. The "instrument sensitivity" of the characteristic X-ray of the pure elements determined in the literature is calculated and discussed by using this simplified model.

一般用电子探针对合金成份进行定量分析时都用标样进行对比。本文提出了一个不用标样的二元合金成份的定量分析方法。利用扫描电子显微镜-X光能谱分析装置同时测定二元合金(Cu-Ga,GaAs)中二元素的K_a光子数比值后,由简化的入射电子能量损失公式和X光激发截面公式并考虑了二次荧光效应后,可计算出二元合金的成份。当入射电子的过电压保持在2—3时,得到和实际成份一致的结果。利用上述简化模型对文献中不同纯元素特征X光的“仪器灵敏度”进行了计算和讨论。

The strength of lime-quartz products cured in an autoclave will be led to de- crease due to the formation of hydroxyl ellestadite(hereinafter abbreviated as HXEL phase) Factors which may have inflences on forming EXEL phase are of multiplicity, such as fineness of quarty, CaO/SiO_2 molar ratio, of the mixture, time and temperature for hydrothermal treatment and amount of gypsum used in the mixture, etc. But it is considered that the most essential factor is the relative amount of C_a~(2+), SiO_4~(-4), and SO_4~(-2)...

The strength of lime-quartz products cured in an autoclave will be led to de- crease due to the formation of hydroxyl ellestadite(hereinafter abbreviated as HXEL phase) Factors which may have inflences on forming EXEL phase are of multiplicity, such as fineness of quarty, CaO/SiO_2 molar ratio, of the mixture, time and temperature for hydrothermal treatment and amount of gypsum used in the mixture, etc. But it is considered that the most essential factor is the relative amount of C_a~(2+), SiO_4~(-4), and SO_4~(-2) content in the solution, when the amount of gypsum is enough, the relative amount of CaO and SiO_2 content in the solution will be mainly responsible for it. The average CaO/SiO_2 molar ratio of hydrates formed has been taken as the index for determining the formation and stability of HXEL. When the ratio exce- eds 1, HXEL phase can be formed and stablized. There are two causes for the formation of HXEL phase to bring about decrea- se of the strength of products: (1) short of cementation in HXEL phase itself and (2) the reactivity of quartz decreases enormously with the formation of HXEL phase.

在掺石膏的蒸压灰砂制品中,由于HXEL相(Hydroxyl Ellestadite,硅磷灰石)的生成,会导致制品强度的降低,影响HXEL相形成的因素是多方面的,但笔者认为最本质的原因是液相中Ca~(+2)SiO_4~(-4)SO_4~(-2)三者的相对含量,当石膏含量足够时,主要由液相中CaO和SiO_2的相对含量所决定。我们采用了已生成水化物的平均碱度(C/S)作为判断HXEL相能否生成和稳定的指标。当这个碱度大于1时,HXEL相是能够生成和稳定存在的。 HXEL相的生成致使制品强度下降的原因有二,一是HXEL相本身缺乏胶凝性,二是HXEL相的生成大大降低了石英的反应率。

The influence of impregnation conditions on the active components distribution of hydrodesulfurization catalyst Mo-Co-Ni/γ-Al2O3 has been studied by electron microprobe method. The penetration depth of impregnation solution and the adsorption of solute on pore wall are main factors affecting the active components distribution. By varying the volume and concentration of impregnation solution, the active components distribution and atomic ratio distribution of active components could be controlled simultaneously....

The influence of impregnation conditions on the active components distribution of hydrodesulfurization catalyst Mo-Co-Ni/γ-Al2O3 has been studied by electron microprobe method. The penetration depth of impregnation solution and the adsorption of solute on pore wall are main factors affecting the active components distribution. By varying the volume and concentration of impregnation solution, the active components distribution and atomic ratio distribution of active components could be controlled simultaneously. Two catalyst models with even atomic ratio distribution of active components but different in their active components distribution were obtained, active components of one catalyst are well-distributed, and those of the other are concentrated on the outer part of the pellet. In the case impregnated with excess impregnation solution, the distribution of Co and Ni on γ-Al2O3 is obviously affected by the impregnation sequence of Mo and Co, Ni.The electron microprobe used in this work, consists of JEOL' s JSM-35C scanning electron microscope with DDS X-ray wavelength dispersive spectrometer and combined with EDAX PV 9100/60 X-ray energy dispersive spectrometer (EDS). The analytical capability softwares of EDS are used in quantitative analysis, and the results are calculated with its on line computer.

本文用电子探针分析法研究了制备Mo—Co—Ni/γ-Al_2O_3加氢脱硫催化剂的浸渍条件对Co,Ni,Mo在γ-Al_2O_3上分布的影响。观察了浸渍液浸透程度和孔壁对溶质的吸附作用。控制浸渍液的用量和浓度,可在γ-Al_2O_3粒子上同时调节活性组份含量的分布和活性组份间原子比的分布,得到了两种活性组份原子比比较均匀,而活性组份含量分布不同的催化剂模型。以过量浸渍液浸渍时,观察到组份Mo和组份Co,Ni间浸渍的次序对Co,Ni在γ-Al_2O_3上的分布有明显影响。

 
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