铁

To investigate the clinical significance of zinc protoporphyrin in erythrocyte of children with infectious diseases values, erythrocyte's zinc protoporphyrin in children with infectious diseases was studied.

红细胞内锌原卟啉是反映红细胞内铁的敏感指标，常用于缺铁性贫血的诊断[1] 。

Theseshistose pyrites being composed principally of coal, flint, alumina, andsulphuret of iron–the latter in excess–it was necessary to separate thesulphuret of iron, and transform it into sulphate as rapidly as possible.

这些黄铁矿石的主要成分是炭、火石、矾土和硫化铁，其中硫化铁的含量过多，必须使它分离，尽快地把它变为硫酸盐。

Applications of the films,especially in ferroelectric memories and pyroelectric infrared detectors are described.

重点介绍了铁电薄膜在铁电存储器及热释电红外探测器方面的应用。

Applications of the films,especially in ferroelectric memories,microelectromechanical systems and pyroelectric infrared detectors are described.

重点介绍了铁电薄膜在铁电存储器、微电子机械系统及热释电红外探测器方面的应用。

Ferroelectric thin films possess a set of unique properties, such as electronic, optical, electro-optic, pyroelectricity, piezoelectricity, for many applications in electronic and optical devices.

由于铁电薄膜具有独特的电学、光学、热学、声学等性能，在光电子学、集成光学、微电子学等高新技术领域中有着广泛的应用前景，八十年代以来铁电薄膜的制备、表征和应用已经成为了世界范围新材料研究中的热点。

Furthermore, natural pyrite and pyrrhotite were succeeded to induce to produce troilite in laboratory.

由于陨硫铁具有比较特殊的物理性能，论文在上述研究的基础上，尝试利用黄铁矿、磁黄铁矿为原料合成陨硫铁。

The effects, such as the acidity of leaching system, the temperature and the concentration of the sodium chloride, on oxidation and leaching of copper-bearing gold ores were analyzed. The results show that the sequence of sulfide ores oxidized and dissolved are pyrrhotite firstly, sulphide secondly, then chalcopyrite, pyrite lastly.

结果表明：硫化矿的氧化溶解首先是磁黄铁矿，其次是铜的次生硫化矿，再次是黄铜矿，最后是黄铁矿；载金黄铜矿的氧化首先是铁从黄铜矿的晶格中氧化溶解出来，生成中间产物CuS2和CuS；较高的酸度和氯化钠浓度有利于单质硫的生成、三价铁的水解和铜的浸出，进而有利于金浸出率的提高。

The test result shows:(1) Concentration after grind finely, multi product configuration, regrind and reconcentratipn of sulphide iron ore, and firstly recovering tin and removing sulfide ore as possible as are available metholds to improve the grade and recovery of tin concentrate, simplify technology flowsheet and reduce production cost;(2) Intensifying the recovery of single stage concentration table is the key to concentration to concentration after grind firely and improving index. The recovery of fine tin is sure to further improve index;(3) Regrind and reconcentration of ferro-sulphur ore may recovery some tin.

试验研究结果表明：(1)细磨入选，多产品结构，硫化铁矿物再磨再选，能拿早拿、能丢早丢，预先脱出硫化矿物是提高锡精矿品位和回收率，简化工艺流程，降低生产成本的有效途径；(2)强化一段摇床的回收是细磨入选，提高指标的关键，细粒锡石的回收是进一步提高指标的根本保证；(3)硫铁矿物再磨再选也可回收部分锡金属。

Disclosed is a bone-conduction transducer comprising a plate-shaped yoke bent to form a pair of cut portions at both ends thereof; voice coils fitted to a center extension of the cut portions; a magnet and a plate of rectangular parallelepiped shape disposed between the voice coils; and a diaphragm minutely spaced from a lower part of the plate.

公开了一种骨传导传感器，包括：板形轭铁，受弯曲而于轭铁两端形成一对切口部；安装在切口部的中央延伸部上的话音线圈；设置在话音线圈之间的磁铁和矩形平行六面体板；以及与板下部微微隔开的膜片。

The formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water.

由于遇水而在铁上低温氧化而生成红褐色含铁化合物的过程。

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