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We also get the proportion of the four surfactants(30:2:1:8).Studing the factors of temperature and metal cation,we found that the floatability resisting to the low temperature and metal cation are improved with the addition.

高岭石浮选体系中，表面活性剂的组合-添加顺序同样能影响表面活性剂的作用效果，表面活性剂后加能提高高岭石的回收率，表面活性剂先添加和预先混合再加能降低其回收率。

The relationship between the crystal structure and their point of zero charge, the floatability of some silicate minerals with and without metal ions as activator, using sodium oleate as collector, the adsorption behavior of the metal ions on the silicate minerals, are investigated by analysis the crystal structure of the silicate minerals.

通过分析硅酸盐矿物晶体结构，研究硅酸盐矿物零电点与晶体结构的关系，硅酸盐矿物在油酸钠体系中的浮游特性，硅酸盐矿物对金属离子的吸附规律，金属离子活化的矿物可浮性规

Said mineralizing agent is the fluoric alkali-earth metal salts or alkali metal salts (potassium fluoride or calcium fluoride).

其特征是在磷酸钙盐与碳酸钙盐以2∶1比混合物中，加入0.5～3wt％的含氟离子碱土金属或碱金属盐矿化剂，例如氟化钾、氟化钙等。

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Effects of time, water flux density, and distribution coefficients of metal ions on the migration and concentration distribution of heavy metal ions were also simulated in soil.

分析了时间、水的通量密度、金属离子的吸附分配系数对金属离子在土壤中迁移及浓度分布的影响。

The results indicate that the migration of heavy metal ions in soil is mainly dominated by the water flux density and distribution coefficients of the metal ions sorption to soil.

结果表明，金属离子在土壤中的迁移主要受水的通量密度和吸附分配系数的影响，并随时间的增加而增加。

In the field of metal forming, the study of workability or formability of material and defects during metal forming is the focus of researchers.

在金属压力加工领域内，金属材料的成形性能与金属在成形中的缺陷的研究一直是人们关注的课题。

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Because time metallurgy smelting, the metal melt fluid washes out the furnace lining unceasingly, the different furnace lining material, the furnace lining smelting life is dissimilar, the different metal adapts the furnace lining material is dissimilar, therefore power frequency stove leaving the plant is also same as any type smelting leaving the plant, does not provide the furnace lining material, the use factory should have the professional furnace lining technical personnel and build the furnaceman.

由于冶金熔炼时，金属熔液不断冲刷炉衬，不同的炉衬材料，炉衬熔炼寿命也不一样，不同的金属所适应的炉衬材料也不一样，所以工频炉出厂也同任何种类熔炼出厂一样，不配备炉衬材料，使用厂应备有专职的炉衬技术人员和筑炉工。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。