The rate of oxidation reaction of pyrites increased.
黄铁矿的氧化速率增大。
Iron ores and concentrates, including roasted iron pyrites.
铁矿砂及其精矿，包括焙烧黄铁矿。
Its gold content is closely related to pyrites and arsenopyrite.
矿石中的金以不可见金为主，含量与黄铁矿、毒砂关系密切。
This paper deals firstly with the distribution of pyrites in coals.
首先揭示了煤中黄铁矿的分布赋存规律。
This provides a useful method for the identification ofa few pyrites in sediments.
这一结果为沉积物中微量黄铁矿的鉴出提供了一项有效的磁学方法。
The Eskimos produced a slow-burning spark by striking quartz against iron pyrites.
爱斯基摩人利用硫化铁矿石击打石英获得缓慢燃烧的火花。
Concurrence of loose granular and colloform pyrites are the characteristics of the stopped-active chimney.
松散粒状黄铁矿和胶状黄铁矿同时出现是已经停止活动的烟囱物特征。
Coarse-crystallized crushing pyrites with high gold content suggest that gold is enriched by tectogenesis.
粗粒破碎的黄铁矿含金较高，说明构造运动使金在黄铁矿中进一步富集。
Kaolinite, a number of siderites, pyrites, siliceous authigenic minerals and a few calcites represent continental environment.
高岭石、大部分菱铁矿、黄铁矿、硅质自生矿物及少部分方解石反映了陆相环境。
The primary air velocity is the highest at the nozzle ring, and this is an important factor to affect the discharge of pyrites.
喷嘴环处的风速最高且是影响石子煤排放的一个重要因素；
Pyrites and non-ferrous smelter gases will remain to be the main sulphur resource for a long time in China for their abundant reserves.
中国硫铁矿及有色金属矿的资源比较丰富，在相当长的一段时间内，预计中国硫原料仍将以硫铁矿和有色金属冶炼烟气为主。
In Arctic North America, the Eskimos produced a slow-burning spark by striking quartz against iron pyrites, a compound that contains sulphur.
在北美北极圈地区，爱斯基摩人生产火星通过黄铁矿和石英对撞，产生一种化合物包含硫磺。
The characteristics and main concerns in design are described of Chinese first high temperature pipe evaporator in sulfuric acid production by pyrites.
介绍国内第一台硫铁矿制酸高温热管蒸发器的性能特点和设计的主要思路。
Gold-bearing minerals are separated in the laboratory and the chemical analysis of each individual indicates that the gold grade for fine pyrites is 3.
对矿区各种载金矿物经实验室分离并进行化学分析显示：细粒黄铁矿中金元素含量是粗粒黄铁矿的3。
Core HD196A, recovered from the seafloor of the northeastern South China sea, has large amount of pyrites. The morphologies of pyrites are as the form of rod with hollow or not.
南海东北部的HD196 A岩心中发现大量条状的自生黄铁矿，以中空或实心为主。
The work has researched in adsorption and desorption of iodine and technetium on brass ore, lead glance, rare-earth hematite, antimony glance, molybdenite and iron pyrites and so on.
本工作研究了黄铜矿，方铅矿、稀土赤铁矿，辉锑矿，辉钼矿，黄铁矿等六种矿物对碘和锝的吸附和解吸。
There were two pieces of quartz in that box, both of them carefully polished. They had been chipped into driftwood shapes. There were little sparkles of iron pyrites in them like flecks of gold.
盒子里是两块石英，两块都经过仔细琢磨，削成浮木的形状，石英中的硫化铁发出闪闪金光。
There were two pieces of quartz in that box, both of them carefully polished. They had been chipped into driftwood shapes. There were little sparkles of iron pyrites in them like flecks of gold.
盒子里是两块石英，两块都经过仔细琢磨，削成浮木的形状，石英中的硫化铁发出闪闪金光。
应用推荐