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The result shows that Co and Cu are associated with exchangeable fractions, which represents stonger mobility;Pb in iron-manganese fraction represents stonger potential mobility;Zn and Cr existed in oxidizable and residual fraction and Ni in residues represents weak mobility or immobility.

研究结果表明：Co、Cu、Mn存在可交换态，表现有相对较强的迁移性和生物可利用性；Pb主要以还原态的形式存在，表明具有较强的潜在危害性；Zn、Cr主要以氧化态和残渣态形式存在，Ni主要以残渣态的形式存在，这些元素的迁移性较弱。

Humic acids, oxidizable fraction and lipids were the main fractions affecting the sorption capacity. The humic acids had the maximum adsorption capacity for nitrobenzene and aniline, the lipids naturally present in the soil strongly compete for hydrophobic sorption sites within the soil organic matter, and the adsorption capacity of mineral surface for nitrobenzene and aniline were only 2.31mg·kg-1 and 3.63mg·kg-1, respectively.

硝基苯和苯胺在湿地土壤中的吸附主要受腐殖酸、易氧化有机质组分和脂类化合物的影响，其中腐殖酸对硝基苯和苯胺具有最大的吸附容量；脂类化合物表现为与硝基苯、苯胺竞争土壤有机质结构中的吸附位点，去除脂类化合物后残余物的吸附量增大；矿物组分对硝基苯和苯胺的吸附是次要的，吸附容量仅为2.31mg·kg-1和3.63mg·kg-1。

In the presence of KBrO〓, no pentosan fractions displayed oxidative gelation properties.

各戊聚糖组分在KBrO〓化学氧化剂作用下，均不能发生氧化交联反应。

The error percentage of mathematics learningdisabled studnets in addition, subtraction and multiplication of fractions is higher than that of normal studnets.

无论是分数的加法、减法和乘法的计算，数学学习障碍学生犯错误率高於普通学生。

In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene

石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。

The adsorption and desorption behaviour of polycyclic aromatic hydrocarbons on different fractions was investigated using phenanthrene as model substrate.

研究了多环芳烃菲在不同粒级有机-矿质复合体上的吸附和解吸行为。

The optimal volume fractions of phenyl methanol and accelerator are 40% and 13%, respectively.

按国家标准将新型脱漆剂与传统脱漆剂对不同漆膜的脱漆效果进行了比较。

The temperature effect on the oil yield was discussed at first. Then, analytical work was carried out as follows: the ultimate analysis and physi-chemical analysis of the pyrolytic oil comprised a sketch of the fuel properties of the oil; Then, through the distillation analysis of the oil, the fraction composition of the "unrefined"oil was known. After that, a general knowledge of the aromaticity and saturation of the hydrocarbons in the oil was provided by the outcome of the FT-IR functional group analysis. Also, from the analysis, the form of the polar functional groups and their distribution in different fractions of the oil were learned.

文中首先对不同热解温度下热解油产率进行分析讨论，然后，针对热解油品质进行了一系列分析：通过元素组成和理化特性的分析，对热解油作为燃料特性有了一个大致了解；通过实沸点蒸馏分析，得到热解油作为一种未提炼油的馏分分布，并为后续热解油馏分的细入分析提供了前提；通过对热解全油和各窄馏分的FT-IR官能团分析，对热解油的芳香性、不饱和性有了整体的了解，并且清楚了热解油中的极性官能团存在型式及其在热解油不同馏分中的分布。

Versatile Math Functions - Includes primality test, summation and product functions, solves polynomial equations, gets derivatives, converts decimals to fractions, GCF/LCM, base conversion, evaluates expressions

这个应用程序包括了primality 测试，合计和积函数，解答多项式方程，获得派生词，将小数转换为分数，GCF/LCM，基本转换率，评估表达式。

Protein fractions(albumin,globulin,prolamin and glutelin)were extracted from defatted tartary buckwheat flour.

采用Osborne分级分离的方法从苦荞粉中制备得到清蛋白、球蛋白、醇溶蛋白和谷蛋白。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。