镍的

Artificial mechanical cardiac valve was produced by Lanzhou Flight Control Instrument Factory. Prosthetic valve frame was acid-resisting chrome-nickel alloy of high intensity, valve ring was polyester filament fabric, valve was consisted of graphite matrix in interior and deposited hydrolytic carbon on surface.

人工机械心脏瓣膜由兰州飞控医疗仪器厂生产，为C-LⅠ型短柱人工机械心脏瓣膜，瓣架为高强度耐酸铬镍合金，瓣片的内部为石墨基体，表面为沉积热解碳，瓣环为涤纶长丝织物。

The results show that when the mass ratio of sodium jarosite residue to anthracite is 5∶1, reduction roast lasts at 800℃for 0.5 h, leaching is carried out at 70℃for 40 min by 0. 5 mol/L H2SO4 with liquid-solid ratio of 7∶1, 93% of both iron and nickel can be leached out.

研究结果表明：当黄钠铁矾渣与无烟煤按质量比为5∶1均匀混合，在800℃还原焙烧0.5 h，焙烧渣用0.5 mol/L硫酸溶液按液固比7∶1在70℃浸出40 min时，渣中93%的铁和镍进入浸出液中。

The results show that when the mass ratio of sodium jarosite residue to anthracite is 5:1, reduction roast lasts at 800℃ for 0.5 h, leaching is carried out at 70℃ for 40 mm by 0.5 mol/L H2SO4 with liquid-solid ratio of 7:1, 93% of both iron and nickel can be leached out.

研究结果表明：当黄钠铁矶渣与无烟煤按质量比为5：1均匀混合，在800℃还原焙烧0.5h，焙烧渣用0.5mol/L硫酸溶液按液固比7：1在70℃浸出40min时，渣中93%的铁和镍进入浸出液中。

The characteristics and exploitation status of nickel laterite resources are simply introduced in this article, and the traditional hydrometallurgical processes and development are also described.

文章介绍了世界红土镍矿资源特点、国内外的开发现状，并阐述了其传统湿法生产工艺及进展。

The worldwide processing status of nickel laterite ores is reviewed.

综述了国内外红土镍矿的处理现状。

Which fully satisfied the request of nickel laterite ores test.

能完全满足镍红土矿的检测需要。

The company mainly produces nickel and zinc sales of network series transformer | filter magnetic ring core.

本公司主要生产和销售镍锌系列的网络变压器|滤波器磁环磁芯。

Ten types of amorphous soft magnetic material s based on Fe,Co and Ni were investigated.

研究了10种以铁钴镍为基的非晶态软磁材料。

A set of experiments were carried for recovering magnetite from nickel metallurgical residue with 50% iron.

对铁含量为50%左右的镍冶金渣进行了选铁试验研究。

Objective To establish a new technology for removing Ni2++in raw medicine production of mannitol and sorbitol.

目的探讨原料药甘露醇和山梨醇生产中除镍离子的新工艺。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。