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ray powder
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  线粉
    By applying the methods of X ray powder diffraction and infrared spectrum, the characterization is carried out on the composite material of clay starch acrylamide graft copolymer with super hygroscopy.
    应用 X-射线粉晶衍射 (XRD)、红外吸收光谱 (IR)的方法 ,对高岭土 -淀粉接枝共聚丙烯酰胺超吸水性复合材料进行表征 .
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  “ray powder”译为未确定词的双语例句
    The ternary CeFe 4Al 8 Compound has been synthesized by arc melting and its structure has been determined from X ray powder diffraction analysis.
    用熔炼法合成了三元CeFe4Al8化合物,并用X射线粉末衍射法测定了它的结构。
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    The structure and morphology of Y 2O 3 nanocrystals were characterized by X ray powder diffraction (XRD), transmission electron microscope (TEM) and BET specific surface area absorption metor.
    用 X射线粉末衍射 ( XRD) ,透射电子显微镜 ( TEM)及 BET比表面吸附对 Y2 O3纳米晶的粒径和形貌进行了表征。
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    Abstract The types and crystal structures of the ZrNi phases occurred in the Zr(Mn 1-x Nix)2 (x=040~075) Laves phase hydrogen storage alloys have been investigated systematically by means of Xray powder diffraction and Rietveld refinement.
    采用 X 射线粉末衍射和 Rietveld 全谱拟合分析, 较详细地研究了 Zr ( M n1 - x Nix )2 (x = 040~075) 三元 Laves 相贮氢合金中形成 Zr Ni相的类型及其晶体结构。
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    Some lattice parameters including the phases, crystal system, crystal size and specific surface were determined by X ray powder diffraction method. The results showed that the material was ZrW 2O 8 belonging to simple cubic system with a =0.922 00 nm, Z =4, D crystal size = 79 nm, S specific surface =1.49×10 5 cm 2/g.
    精化的晶胞参数a =0 .92 2 0 0nm ,计算了单位晶胞中含有的ZrW2 O8分子数目Z =4以及平均晶粒尺寸D =79nm、单位晶胞体积V =0 .78378nm3和比表面积S =1.4 9× 10 5cm2 / g等结构参数
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    The X ray powder diffraction, TEM, EDS, Uv- vis analysis and N2 adsorption desorption analysis were adopted for the characterization of the synthesized materials.
    借助XRD,TEM,EDS,Uv-vis以及N2吸附-脱附等方法对样品进行了表征分析;
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  ray powder
X-ray powder diffraction results show that the as-grown SrWO4 single crystal belongs to tetragonal system and I41/a space group.
      
The structures of the CdSe quantum dots were determined by X-ray powder diffraction (XRD) and transmission electron microscopy (TEM).
      
The thermal decomposition of CeO2 nanocrystalline precursor prepared by chemical precipitation method was investigated using thermo-gravimetric/differential scanning calorimetry (TG/DSC) and X-ray powder diffraction (XRD).
      
The sample was characterized by X-ray powder diffraction and transmission electron microscopy (TEM).
      
The changes in the physicochemical properties of MoO3 have been investigated using techniques such as X-ray powder diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and ultraviolet and visible spectroscopy (UV-vis).
      
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The thermo-stability of K_2TaF_7 in air and argon atmosphere was investigated by means of thermo-differential, thermo-gravimetric and chemical analyses and also X-ray powder diffraction method. An obvious heat-absorbing effect was observed at 218°±3℃ with the appearance of break-up of larger crystals. The melting point of K_2TaF_7 was measured to be 730°±3℃. During the course of heating, by the action of moisture in air, K_2TaF_7 was hydrolyzed into K_2TaO_2F_3 which is soluble in molten K_2TaF_7 and thus...

The thermo-stability of K_2TaF_7 in air and argon atmosphere was investigated by means of thermo-differential, thermo-gravimetric and chemical analyses and also X-ray powder diffraction method. An obvious heat-absorbing effect was observed at 218°±3℃ with the appearance of break-up of larger crystals. The melting point of K_2TaF_7 was measured to be 730°±3℃. During the course of heating, by the action of moisture in air, K_2TaF_7 was hydrolyzed into K_2TaO_2F_3 which is soluble in molten K_2TaF_7 and thus affects its melting point. This might throw light on the disagreement of the melting points of K_2TaF_7 determined by the various authors. The end product of hydrolysis of K_2TaF_7 was identified to be KF and KTaO_3 (potassium meta-tantalate). Finally, the different stages of hydrolytic reaction of K_2TaF_7 and its relation with various temperatures were discussed.

用热差分析、热重分析、化学分析及X射线粉末衍射法研究了K_2TaF_7在空气中和氩气氛中加热时的行为.发现在218°±3℃,有一显著的吸热效应,同时发生晶体破碎.测得K_2TaF_7的熔点为730°±3℃.当加热时,K_2TaF_7同空气中的水气起水解作用,水解产物能溶于K_2TaF_7熔体而影响其熔点.这可能是过去测定的熔点不一致的原因.确定了水解最终产物为氟化钾及偏钽酸钾.最后,讨论了水解反应的步骤及其与溫度的关系.

The room temperature section of the phase equilibrium diagram of the Al-Cr-Cu ternary system has been investigated by means of X-ray powder diffraction method. Beside the single phases of the three binary systems, there exist five new phases in the diagram, which we callω1, ω2,ε1, εx, and γx phase, so that the diagram of the system is divided into 19 single-phase regions, 41 two-phase regions, and 22 three-phase regions.

本文用X射线粉末衍射法研究了Al-Cr-Cu三元合金系相图的室温截面。截面中出现了五个新相,称为ω_1,ω_2,ε_f,ε_x和γ_x,即共有19个单相区,41个双相区以及22个三相区。γ_x相属正交晶系,它可能是一个固定成分的化合物。

The phase diagram of the La-Co-Ni (La 32.2 wt%) ternary system at room temperature has been determined by X-ray powder method and metallographic examination.

本文用X射线粉末法和金相实验测定了La≤32.2wt%(La≤16.7at%)成份区域内La-Co-Ni三元系相图的室温截面,它包含有四个单相区:α,β,LaCo_(13)和LaCo_(5x)Ni_(5-4x);五个两相区:α+β,α+LaCo_(13),β+LaCo_(13),β+LaCo_(5x)Ni_(5-5x)和LaCo_(13)+LaCo_5xNi_(5-5x)两个三相区:α+β+LaCo_(13)和β+LaCo_(13)+LaCo_(5x)Ni(5-5x),在此成份区域内没有发现新相。 X射线分析表明,La在β相中最大固溶度大约是9wt%。

 
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