锌的

Cu~2+ can activate marmatite . Eh of pulp has great effect on the buoyancy of them. New inhibition regeants named CSU-1 can inhibitmarmatite buoyancy. In high pH value and low Eh, use lot of calcareousness, marmatite can separated from pyrrhppite easily in their concentrate mixture.

少量的Cu~(2+)可强烈地活化铁闪锌矿；矿浆电位对三种矿物的浮选有明显的影响；新型抑制剂CSU-1可有效地抑制铁闪锌矿；采用高石灰用量、高pH矿浆和低电位环境，实现混合精矿中铁闪锌矿与磁黄铁矿的分离。

In the hydrometallurgical process of zinc, the fluctuation of impurities concentration in the electrolyte has a serious influence on technical parameters.

阐述了湿法炼锌过程中，由于电解液中杂质的波动对锌电积过程主要技术经济指标产生的严重影响，分析了金属杂质、骨胶浓度与阴极过电位和电流效率的关系，提出了利用阴极过电位对锌电积最佳添加剂浓度及新液质量的控制方法。

It also showsdependence in Zn-Fe and Zn-Mn. Microelement analysis indicates genetic type of Furong tinallotment is nearly magmatic hydrothermal deposit by content of In, Ga and Cd and thetemperature of mineralization is speculated about 235～248℃ by the value of LogGa/Ge, Zn/Cd,which means sphalerite occurred under mesothermal temperature.

对闪锌矿等离子质谱微量元素分析显示，闪锌矿中In、Ga、Cd等元素的含量表明其成因类型与岩浆热液型基本一致；微量元素LogGa/Ge、Zn/Cd的比值计算和推测出矿化形成的温度为235～248℃左右，表明郴州芙蓉矿田闪锌矿为中温条件下的产物。

Because there are many articles about organozinc reagents react with aldehyde, we investigated the preparation of bisorganozinc reagents and its reactions.

第一章：有机卤化锌试剂在有机合成中研究进展本章主要对有机锌试剂，特别是带官能团的有机卤化锌试剂的产生、发展、制备及其在有机合成中的应用作了详细的综述。

By knowing development situation domestically and abroad of coagulant, we have prepared two kinds of inorganic polymer flocculant which is polysilicic-acid containing aluminum sulfate and zinc sulfate and Polysilicic acid containing magnesium sulfate and zinc sulfate on the basis of preparing the polysilicic acid.

本文通过较全面的分析国内外絮凝剂的发展情况，在制备聚硅酸的基础上，制备了两种新型的锌系无机高分子絮凝剂(聚硅酸铝锌和聚硅酸锌镁)。

Bile and gastric and pancreatic secretions are re- sponsible for zinc excretion, and once in the intestine this endog- enous zinc behaves just like the dietary zinc.

胆汁、胃液和胰腺分泌物有排泄锌元素的功能，一旦吸收进入肠道，这些外源的锌元素和饮食中的锌有相同的表现。

Due to the sulphidizing amine flotation of zinc oxideminerals being sensitive to the slimes and soluble salts, the problems of lowseparation indexes, complicated flotation circuit and reagent types, high consumptionand cost are still not solved in spite of lots of research and practice on the flotation ofzinc oxide ores.

由于氧化锌矿的胺法浮选对矿泥和可溶盐较为敏感，因此，尽管国内外对氧化锌矿的浮选工艺作了大量的研究和实践，仍然未能解决氧化锌矿的选别指标低、工艺流程及药剂品种复杂、成本高等问题。

A series of spot welding technology and joint tensile-shear tests for uncoated low carbon, electroplated and two kinds of hot dipped zinc-coated steels were made to improve the quality of spot welding joint for zinc-coated steels. The test results were analyzed with computer regressive method. The effects of welding current or time on nugget diameter or joint tensile-shear strength and critical curves in splash generation for spot welding were obtained.

摘 要：为提高镀锌钢板点焊接头的质量，对普通冷轧钢板、电镀锌钢板和两种镀锌层厚度不同的热镀锌钢板进行了一组点焊工艺及接点强度试验，并对试验结果进行了计算机回归分析，分别得出了这几种材料在不同的焊接电流、焊接时间下的点焊熔核直径或接头拉剪强度变化曲线以及点焊飞溅临界曲线。

Oxidizing feature which is oxidizing leaching of every element, studied kinetics of anode oxidation, analyzed oxidizing slag with XRD and SEM during suspension electrolysis of zinc sulphide mine. The results show that zinc sulphide concentrate in different suspension electrolysis solution can be oxidized. However, the ore in zinc sulphide, ammiaonia sulfate and sulfuric acid suspension electrolysis solution can be oxidized obviously and has better oxidation rate.

确定了硫化锌矿悬浮电解时的电解液后，我们又对硫化锌矿在悬浮电解过程氧化特征即矿物氧化时其中各元素的氧化溶出情况进行分析，对阳极氧化进行了动力学研究，对氧化渣进行XRD和SEM分析，以了解其含锌矿物在悬浮电解过程中的氧化规律，还进行了渣中元素硫的回收。

na2samg:zinc was combined with sodium sulphide perfusion; znseamg:zinc was combined with injection sodium selenite in advanced;iznsamg:the animal's fresh tissue immersed in the timm's immersion fluid. aboved three methods were followed by the same amg method.

ivznsamg：采用na2s溶液灌流的锌离子结合方式；znseamg：采用事先注射硒酸钠的体内锌离子结合方式；iznsamg：采用取动物新鲜组织浸泡在浸染液中的锌离子结合方式；以上三种方法处理后均采用相同的amg孵育显色。tsq、zinquin荧光：均为新鲜组织取材，液氮处理后荧光下观察。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。