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α-石英
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  α-quartz
     the micro-structure analysis resultsindicate that a part of α-quartz and vitreous phase X-ray amorphous silicon transfer to β-quartz,partial γ-Al2O3 transfers to α-Al2O3,kaoline and cristobalite transfer to β-quartz, α-Al2O3 andinert mullite.
     微观分析结果表明:粉煤灰中的部分α-石英和玻璃相x-射线无定形的硅转化为β-石英型,部分γ-Al2O3转化为α-Al2O3型,高岭土和方英石可转化为β-石英型硅、α-Al2O3型铝和惰性莫来石。
短句来源
     The research result shows that atmospheric aerosols in the Chengdu industrial park are mainly fine and contain a high content of poisonous and harmful chemical elements,such as Ca,Cu,Zn,As,Pb,Cd and Hg,and main phase components are gypsum,α-quartz,feldspar,kaolinite and non-crystalloid SiO_2.The particulate materials in the industrial park originate mainly from soot of burning coal and oil,metallurgical dusts,and road and soil dusts.
     结果表明,成都工业区大气气溶胶以细粒为主,Ca,Cu,Zn,As,Pb,Cd和Hg等有毒有害元素含量较高,主要含有石膏、α-石英、长石、高岭石等矿物及非晶质S iO2,气溶胶物质主要来源于燃煤燃油烟尘、冶金工业粉尘及地面扬尘.
短句来源
     The latter was a mixed crystal of the type (K,Na)Al_3(SO_4)_2(OH)_6. In alunite rock, α-quartz and hematite were embeded in the alunite phase.
     矾石矿中主要的物相为α-石英、赤铁矿和明矾石物相(K,Na)Al_3(SO_4)_2(OH)_6,后者为混晶体物相. 显微照相指出,矿石中的明矾石物相为一连续的物相,而α-石英和赤铁矿则夹杂其中.
短句来源
     Research of Resistance Effect of Rare Earth La~3+ To Cytotoxicity of α-Quartz
     稀土La~(3+)拮抗α-石英细胞毒性作用的研究
短句来源
     Selected area electronic diffraction data analysis showed its structure is α-quartz.
     选区电子衍射数据分析表明其结构为α-石英
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  “α-石英”译为未确定词的双语例句
     The Optical Absorption spectrum of γ-irradiated Al~(3+):α-Si0_2 Quartz and the Electronic States of Gow Center
     γ辐照Al~(3+):α-石英晶体的光吸收谱及其GOW心的色心电子能态
短句来源
     Research of Antagonism of Verapamil to the Cytotoxicity Induced by α Quartz.
     异搏定拮抗α-石英细胞毒性作用的研究
短句来源
     Studies on the Synthesis and Raman Spectra of the Lanthanide-Transition Metal Oxides and Metastable Phase, of α-SiO_2
     镧系稀土过渡族金属氧化物和α-石英亚稳相的合成与Raman谱的研究
短句来源
     The adsorption coefficients are very low, with 1. 4% for a-quartz, and nearly 0% for cuprite.
     α-石英和赤铜矿的吸附率最低,α-石英为1.4%,赤铜矿为零。
短句来源
     Amorphous and crystalline SiO2 is transparent in visible frequency range.
     非晶SiO2和晶态的α-石英晶体在可见光波段范围内是完全透明的。
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  相似匹配句对
     If R satisfies the condition <α>,R is commutative. <α>:For (?)
     <α>:(?)
短句来源
     …αn!
     …αn!
短句来源
     The order of toxicity is found to be: tridymite > α-quartz>silica gel.
     毒性作用顺序为:鳞石英>α石英>硅胶。
短句来源
     The order of toxicity is found to be, tridymite >α——quartz>silica gel.
     毒性作用顺序为:鳞石英>α石英>硅胶。
短句来源
     MECHANISM OF ANTAGONISM OF TETRANDRINE\= TO CYTOTOXICITY OF QUARTZ
     粉防己碱拮抗α-石英细胞毒性的机理
短句来源
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  α-quartz
Migration Paths of Helium in α-Quartz and Vitreous Silica from Molecular Dynamics Data
      
The helium diffusion in α-quartz and vitreous silica is studied by the molecular dynamics method.
      
The helium diffusion in α-quartz and vitreous silica is described.
      
The measurements were performed by the resonance method on crystals grown on α-quartz seeds from solutions in the recirculating mode.
      
New acentric borate possesses optical nonlinearity comparable with the optical nonlinearity of α-quartz.
      
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In the present investigation, the principal phases in alunite rock from Ping-Yang and Lu-Kiang have been studied. They were α-quartz, hematite and alunite. The latter was a mixed crystal of the type (K,Na)Al_3(SO_4)_2(OH)_6. In alunite rock, α-quartz and hematite were embeded in the alunite phase. In order to elucidate the nature of the alunite phase in alunite rock,the lattice constants and structural parameters of sodium alunite were determined and compared with those of potassium alunite.

本文,对平阳和卢江矾石矿中的各个物相进行分离、鉴定并对它们的分布情况进行了研究.矾石矿中主要的物相为α-石英、赤铁矿和明矾石物相(K,Na)Al_3(SO_4)_2(OH)_6,后者为混晶体物相.显微照相指出,矿石中的明矾石物相为一连续的物相,而α-石英和赤铁矿则夹杂其中. 为了进一步阐明明矾石物相,曾对钠明矾石的点阵常数和结构参数进行了测定,并对矾石中钾、钠离子的配位情况进行了比较.根据点阵常数,对矿石中明矾石物相的含钠率进行了推算.

By means of chemical, X-ray, magnetic and microscopic analyses the present investigation leads to the following conclusions:1. Fushun oil shale residue consists in the main of α-quartz, γ-Al_2O_3 and Fe_3O_4.2. The particles of these phases are exceedingly small (<3μ). They are not expected to be separable by ordinary physical methods.3. In accordance with the theory of the formation of oil-shale, Kerogen lies very probably in the lamellar gaps.

水文对抚顺发页岩的物相组成进行了初步的研究,并且探讨了油母在油页岩中所处的位置。应用化学分析、X射线分析、磁性分析和显微镜研究可以得到下面的结论: 1.抚顺发页岩的主要物相是α石英,γ—Al_2O_3和Fe_3O_4。 2.这些物相的颗粒很小(<3μ)。很难用通常的物理方法把它们分离成各个物相。 3.油母很可能处于各物相之间的层状间隙中,与油母页岩的形成理论相一致。

103 samples of airborne particles were collected at 9 different sites in Beijing area by using Hi-volume air sampler and analyzed for 21 elements by x-ray fluorescence, atomic absorption spectrometry and ICP. In some of the samples phase analysis of α-SiO2 and CaCO3 was done by X-ray diffraction method.

选择北京地区7—9个采样点(五个功能区),用大容量采样器按季定期采集飘尘样品(103个)。用x射线荧光、x射线衍射、原子吸收、等离子体发射光谱等方法分析了飘尘中21种元素,并鉴定了α-SiO_2(α-石英)和CaCO_3(方解石)的物相。用元素相对浓度(x/Fe或x/Si)和富集因子(EF地壳以Fe为参比元素)进行了数据处理与分析,阐明了北京大气飘尘的化学特性以及不同地区、不同季节的差异与变化。根据分析结果认为,北京地区飘尘中的主要化学组分大都来源于自然界风砂或土壤;在飘尘中富集最高的元素S、Zn、Pb等可能主要来自人为污染源。估算了飘尘中风砂所占比例约为33%、硫酸根约为6%。

 
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