含铁

Minerals and elements such as manganese, iron, copper, cobalt, carbon, chromium and silica which are present in the petrification process give the petrified wood a rich variety of colour range and lustre.

在石化的过程中，含锰、铁、铜、钴、碳、铬、硅等化学元素的矿物会参与其中，赋予了木化石变化万千的色彩与光泽。

In the diet, it is necessary to give children pica eating fish, shrimp, lean meat, such as high-protein food and the hard shell of zinc, iron-rich food.

在饮食上，要多给异食癖的孩子吃鱼、虾、瘦肉等高蛋白的食物及有硬壳的含锌、铁丰富的食物。

The most important barium-bearing mineral in this district is barite, but barium is also present in psilomelane, gillespite and other minerals.

本矿区最重要的含钡矿物是重晶石，但钡也出现在钡硬锰矿、硅铁钡石等矿物中。

These ceramics have better ferroelectric and piezoelectric performance, good rectangularity in P-E hysteresis loops, better temperature dependence of the properties, and good stability and reproducibility in fabrications.

近年来 ，国际社会正在酝酿立法禁止使用含铅的压电铁电材料。因此，研究开发无铅压电陶瓷是一项迫切的、具有重大社会和经济意义的课题。

In light of production practice, the author introduces some measures for reducing copper content of electric furnace slag to .8%: aplication of new type of concentrate nozzles, stabilization of flash furnace slurry, addition of coke powder to flash furnaces, control of the Fe/Si ratio of furnace slag, increasing the time for clarification of copper liquor, and addition of reductants, such as coal or pyrite.

结合生产实践，介绍了控制电炉渣含铜低于 0 。8%的几点措施：采用新型精矿喷嘴，稳定闪速炉炉浆；向闪速炉中添加焦粉；控制炉渣的铁硅比；增加铜液澄清时间；向电炉中加入还原剂煤块或黄铁矿等。

Y side of the high nutritional value, including calcium, phosphorus, iron, riboflavin are considerable.

莜面的营养价值很高，含的钙、磷、铁、核黄素都相当多。

Study of sapphirine and related mineral association in the high-grade region of the Larsemann Hills, East Antarctica, shows that sapphirine of the area is characterized by its magesio, iron-and aluminum-rich, but silico-poor feature, and the substantial intra-and intergrain changes in compositions. The change is mainly manifested by the Tschermark substitution + Si = 2Al.

通过对南极拉斯曼丘陵含假蓝宝石矿物及有关组合的研究，得知假蓝宝石的成分以富镁、铁、铝但贫硅为特征，其粒间及粒内成分的变化均较为明显，这种变化主要表现为以钙契尔马克代换+ Si = 2Al为主的类质同象置换。

Accordingly, want to realize Dong Anshan to contain the effective depart of content of the iron ore in carbonate iron ore and quartz, if where,the key is before turning over floatation, go out siderite depart beforehand, or the floatation drug that find can effective activation or restrains siderite.

因此，要实现东鞍山含碳酸盐铁矿石中铁矿物和石英的有效分离，关键是如何在反浮选之前预先将菱铁矿分离出去，或找到能有效活化或抑制菱铁矿的浮选药剂。

In this article,polyferric silicate sulfate was prepared by using soluble glass as a raw material and arsenic-containing wastewater was flocculated by it.

本文以水玻璃为原料，合成了无机高分子聚合硅酸铁，并用它对此类含砷废水进行了混凝处理。

Iron, spiegeleisen or ferro-alloys.

铁或铁合金所含化学成份的产品。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐