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cu etc
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     The chemical compositions and trace elements(REE, Ba, Rb, Sr, Nb, Zr, Ni, Cr, V, Ga, Y, Sc, Zn, Cu etc.)
     本文报道了六合-仪征第三纪大陆碱性玄武岩十八个样品的REE、Rb、Ba、Sr、Nb、Zr、Ni、Cr、V、Sc、Y、Ga、Zn、Cu等痕量元素含量,讨论了该岩套的成因及其地幔源区的特征。
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     Furthermore, its contained rich amount of Ca, Fe, Cu, K, Mn, Zn and P. Especially, the contents of Ca,Fe,Cu etc. were higher than these in general vegetable.
     此外 ,还含有丰富的Ca、Fe、Cu、K、Mn、Zn、P ,尤其是Ca、Fe、Cu等的含量远远高于一般蔬菜。
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     is higher, studying shows that the endemic Keshan disease is dispersed in those regions in which the contens of Mo, Cd, As, Hg, Pb, Zn, F, U, P, and Cu etc. is excessive.
     研究表明,地克病与Mo、Ni、V、Cd、As、Hg、Pb、Zn、F、U、P、Cu等的过量分布区相关;
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     The conclusions show that the metallogenetic fluid is general rich in Fe, Si, K, Au, Ag, Bi, Co and Cu etc. ,expect for their difference.
     结果表明,形成不同类型金矿化的成矿流体组成有差异,但总体以富Fe、Si、K、Au、Ag、Bi、Co、Cu等为特征;
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     The conclusions are that the metallogenetic fluid is in general rich in Fe,Si,K,Au,Ag,Bi,Co and Cu etc. expect for their defference.
     结果表明, 形成不同类型金矿化的成矿流体组成有差异, 但总体以富Fe、Si、K、Au、Ag、Bi、Co、Cu等为特征;
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  “cu etc”译为未确定词的双语例句
     the effect of doping a third element (such as Ti,Cu, etc) into the Raney nickel catalyst on the activity of the hydrogenation of butynediol was studied.
     研究了Raney镍铝合金中添加少量Ti,Cu等第三组分助剂对骨架镍催化剂上丁炔二醇加氢反应活性的影响。
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     To improve the cycling performance of spinel LiMn_2O_4, many strategies have been pursued, such as the partial substitution of manganese with Co, Cr, Al, Ni, Cu etc.
     4) 用尖晶石相LiMn_2O_4作为正极活性物质组装的锂离子电池工作电压高,安全性好,成本低廉;
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     1086 soil samples were collected in 110 thousand mu vegetable field in 60 counties in 10 cities of Shanxi province. Nutrient contents of B, Mn, Mo, Zn Fe,Cu etc were analysed.
     在全省10个地市60多个县市11万亩菜田上取样(0~20cm)1086个,分析测定了微量元素硼、锰、钼、锌、铁、铜等养分含量。
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     The amion acids and trace elements in the water extract of hippocampus(WEH) and ethanol extract of hippocampus(EEH)have analysised in this paper. The results showed that WEH and EEH contain several kinds of amino acid and Fe,Mn,Zn, Cu etc trace elements.
     对海马水提取物(WEH)和乙醇提取物(EEH)中氨基酸和微量元素含量进行了分析比较,测得两提取物中含有多种氨基酸和Fe,Zn,Cu,Mn等元素。
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     Birch Liquid Contained rich bioactive substances,multiple kinds of carbohydrate,more than 20 kinds of amino acids,and trace elements such as Si,Fe,Sr,Ti,Ba and Cu etc.
     桦树液中富含生物活性物质,含有多种碳水化合物、20多种氨基酸和微量元素硅、铁、锶、钛、钡、铜等。
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  相似匹配句对
     Cu
     Cu;
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     and (?) , etc.
     与(?)
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     Cu?
     用原子吸收分光光度计测定各组小鼠血清的 Zn、Cu、Fe。
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     Co. Cu etc. in the alloy are also discussed respectively.
     文中还讨论了合金元素Mo、Ni、Co、Cu等的作用。
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     The effect of surface modification with Ag, Cu etc. has been examined.
     考查了Ag、Cu等对电极表面修饰的影响。
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  cu etc
Using the 180°-angle correlation of the annihilation γ-quants of64Cu etc.
      


Alnico alloy is not simply a Fe-Ni-Co-Al quaternary system alloy but, in general, a kind of alloy in which adding some other elements as Ti and Cu etc is in need. However, it is rare to research the functional mechanism of these elements from the point of view of metallic structure so far. So to study individually what effects the possible fourth elements of Fe-Ni-Al ternary system have on its miscibility gap by way of both the thermodynamic analysis and the experiment is of particular value.Summary. Thermodynamical...

Alnico alloy is not simply a Fe-Ni-Co-Al quaternary system alloy but, in general, a kind of alloy in which adding some other elements as Ti and Cu etc is in need. However, it is rare to research the functional mechanism of these elements from the point of view of metallic structure so far. So to study individually what effects the possible fourth elements of Fe-Ni-Al ternary system have on its miscibility gap by way of both the thermodynamic analysis and the experiment is of particular value.Summary. Thermodynamical parameters (ΩADa - ΩD-BC) and F are derived by use of regular solution approximation such that the predictions of distribution ratio of the fourth elements between a and a' phases and of the effect of the fourth elements on the wide coefficient of a + a' two phase region are possible. An important method is thus theoretically provided for the analysis of the functional mechanism of additional elements. The distribution ratios of Ti, Cu, Co, V, Si, Cr,Mo and Nb between a and a' phases of Fe-Ni-Al system at 900℃ have been determined respectively by multicomponent diffusion couples. A conclusion is reached that with respect to the criterion 1 the distribution ratios of Ti, Cu, Mn and Co are greater and those of V, Si, Nb, Cr and Mo are less. It is in conformity to the foregoing prediction by thermodynamical analysis presented in the former part. Not only the correctness of thermodynamical analysis method as mentioned in this part but the importance of taking theoretically and practically the distribution ratio as a parameter can therefore be justified. The authors suggest first that the element of which the X'D/XD ratio is greater than 1 should be defined as a a'former, whereas this ratio is less than 1 the relevant element shouldbe defined as a a former.Fig.1 Miscibility gap in A-B-C-D quaternary systemFig.2 Concentration profile of Fe-5Al-5Cu/NiAl diffusion coupleannealed at 900℃ for 400hr Fig.3 Concentration profile of Fe-5Al~5Ti/NiAl diffusion coupleannealed at 900℃ for 400hr Fig.4 Concentration profile of Fe-5Al-10Co/NiAl diffusion coupleannealed at 900℃ for 400hr Fig.5 Concentration profile of Fe-5Al-5Mo/NiAl diffusion coupleannealed at 900℃ for 400hr Fig.6 Different distribution ratios of the fourth element betweena and a' phases in Fe-Ni-Al ternary system at 900℃. Photo 1 Microstructure of Fe-5AI-5Cu/NiAl diffusion couple annealedat 900℃ for 400hr Tab.1 Compositien of the fourth or D element in specimen ofdiffusion couple Tab.2 Distribution ratios of the fourth element between a and a'phases in Fe-Ni-Al system at 900℃. Tab.3 Estimating value of interaction energy Ωij in Fe-Ni-Al-Cosystem (in kj·mol-1)

本文在正则溶体近似的基础上推导出分折第四元素D对α+α’两相分解行为的影响的热力学参数(Ω_(AD)~α-Ω_(D-BC)~α)及复合参数Γ。本研究还利用四元扩散偶法实际测定了900℃下Co、Ti、Cu、Mn、Si、V、Mo、Cr和Nb在α及α’相中的分配比,实验结果与根据上述热力学参数的预测相符。这表明,本文所提出的热力学分析方法对预测第四元素的作用有重要的价值。本文定义的第四元素在α及α’相中的分配比是一个具有极重要的理论意义和实用价值的参数。

Among many contemporary color glazes,the iron oxide red glaze is so far the onlyone whose artistic appearance is controlled by the mechanism of liquid-liquid phase se-paration.Under EM observation it is found that α-Fe_2O_3 crystallizes in the boundariesof primarily separated discrete droplets, from which the iron oxide-poor liquid secretionsare still immiscible with the continuous phase. The glaze, containing 20% bone ash and prepared by frit from equal weights of castiron filings and feldspar,presents multiple...

Among many contemporary color glazes,the iron oxide red glaze is so far the onlyone whose artistic appearance is controlled by the mechanism of liquid-liquid phase se-paration.Under EM observation it is found that α-Fe_2O_3 crystallizes in the boundariesof primarily separated discrete droplets, from which the iron oxide-poor liquid secretionsare still immiscible with the continuous phase. The glaze, containing 20% bone ash and prepared by frit from equal weights of castiron filings and feldspar,presents multiple liquid phase separation and possesses normaland reverse structures. It has been revealed by chemical etching and OM, SEM observations that there areenvelopes existing in the boundaries between two liquid phases produced by primary,secondary and tertiary phase separations respectively. The envelope is rich in Fe and Si,but poor in Ca and P qualitatively,however,envelopes differ from each other in different separations quantitatively. In the case of normal structure in secondary separation, for an example,it has beenindicated by the qualitative and semiquantitative results of EPMA and EDXA that thediscrete phase is rich in Si, Al and K, being mainly an alumino-silicate glass,while thecontinuous phase is rich in Fe, Ca, P and Mg, being a silicious phosphate glass. In the case of the same separation,the divalent network modifiers Ca,Mg and Feas well as the network former P will always concentrate in the same phase, no matterwhether the phase is discrete or continuous. Further investigation on the effect of new technological parameters on liquid phaseseparation and distribution of transition elements, such as Ni, Co, Cu etc. in each phase,will undoubtedly contfibute to the development of new products of this artistic colouredglaze.

艺术形象受液相分离机理所控制的现代色釉,目前只有铁红釉一种。电镜下发现:第一次分相的孤立小滴中α-Fe_2O_3析晶于相界处,分泌出的贫Fe液相仍与连续相不混溶。 以铸铁屑和长石预先制成熔块,骨灰含量为20%的釉,具有多次液相分离并且呈现正、反两种结构。化学腐蚀和OM、SEM观察都表明:第一、二、三次分离的两液相相界之间都有包膜。其组成在定性上是富Fe、Si而贫Ca、P;在定量上各次分离的包膜则有差异。 以第二次分离的正结构为例,EPMA和EDXA定性和半定量的结果表明:孤立相富Si、Al、K,主要是铝硅酸盐玻璃;连续相富Fe、Ca、P、Mg,是硅磷酸盐玻璃。在同次分离的情况下,2价修饰子Ca、Mg、Fe与形成子P大部分集中于某一相中而不管其为孤立相或连续相。 强调研究新的工艺参数对分相的影响以及Ni、Co、Cu 等3d过渡元素在各相中的分配,对发展这类艺术色釉新产品是有益的。

The on-the-spot investigations and experiments show that the soil in the investigated area is comparatively strong in maintaining the metals such as Hg, Cd, Cu etc.The transporting capability of the heavy metals is comparatively poor. The transport distributes mainly on the surface of the soil and has a horizontal diffusion in a small range. But, the As'transporting capability in the shape of an ion is comparatively strong.On certain condition, the soil limits the accumulation of the heavy metals. The...

The on-the-spot investigations and experiments show that the soil in the investigated area is comparatively strong in maintaining the metals such as Hg, Cd, Cu etc.The transporting capability of the heavy metals is comparatively poor. The transport distributes mainly on the surface of the soil and has a horizontal diffusion in a small range. But, the As'transporting capability in the shape of an ion is comparatively strong.On certain condition, the soil limits the accumulation of the heavy metals. The limitation depends on the concentration of the irrigated water, the quantity of the irrigation and the physical and chemical natures of the soil. The experiments indicate that the soils with different physical and chemical natures can keep different quantity of metals.The correlation between the accumulation and the transport of the metals in soil is obviously given out by the heavy metal content in the investigated plant, Ph value in the soil, organic substance, supersession measurement of cation, the multivariate regression analysis in physical content of the stiky granule.Based on the correlation, we can predict the pollution in soil and the harm on plants of the area.

现场调查及试验表明,调查区土壤对Hg,Cd,Cu等金属有较强的滞留能力。重金属的迁移能力较低,集中分布在土壤表层,水平扩散范围也较小。而易呈阴离子态As的迁移能力相对较强。 在一定条件下,土壤对重金属的蓄积量有一极限值,这一数值受灌溉水浓度、灌溉量、土壤理化性质所制约。试验表明,不同理化性质的土壤对重金属的滞留量不同。 调查区植物体内重金属含量与土壤中的含量、土壤pH值、有机质、阳离子代换量、物理性粘粒含量的多元回归分析结果表明,其间呈现显著的相关关系。根据其关系式可对本区土壤污染及对植物的危害进行预测。

 
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