黄铁矿

The oxidation speed and rate of pyrite and arsenopyrite are highly improved after the seperated and purified vaccine was put into the 9K culture media to be trained.

分离纯化后的菌种在加入毒砂和黄铁矿的9K培养基中驯化后对毒砂和黄铁矿的氧化速度和氧化率都有较大幅度的提高。

Optimizing the influence factors of bacteria oxidation on pyrite and arsenopyrite through researches on the character of bacteria oxidation on pyrite and arsenopyrite.

通过摇瓶试验研究了毒砂、黄铁矿的细菌氧化特性，对细菌氧化毒砂和黄铁矿的影响因素进行了优化。

The monocrastal minerals of gold are native gold, calaverite and electrum. Besides the native gold, pyrites and pyrrhotites are main auriferous minerals, inside which the aurum are in the form of fracture aurum, intercrastalline aurum and aurum inclusions.

Au的独立矿物主要为自然金、碲金矿和银金矿，金除了自然Au之外，黄铁矿和此黄铁矿是主要载金矿物，在载金矿物中Au主要呈裂隙金、晶间金和包体存在。

Metal minerals consist of major pyrrhotite, pentlandite, chacopyrite, violarite and pyrite, with minor millerite, niccolite, magnetite, ilmenite and galena.

矿体的形态产状：似层状矿体、似板状矿体、脉状矿体、纯硫化物脉状矿体、上悬透镜状矿体、主要金属矿物有磁黄铁矿、镍黄铁矿、黄铜矿、紫硫镍矿、黄铁矿；次要矿物：针镍矿、红砷镍矿、磁铁矿、钛铁矿、方铅矿等。

Pyrite,pyrrhotite and pentlandite in order of gold content.

载金的硫化铁矿物成分主要是黄铁矿，其次是磁黄铁矿和镍黄铁矿。

The study of the geological characteristics, ore-forming condition and genetic type from the Pingdingshan gold deposit, shows that the cryptomerous diorite and dioritic porphyrite in different stages formed a vein rock zone with gold containing ore bodies in the area, and five vein ore bodies were blocked out by spreading out with the NNE direction in the field.

黑龙江嘉荫平顶山岩金矿床的地质特征、形成条件和成因类型的研究表明：矿区内不同阶段的细晶闪长岩、闪长玢岩形成一个含金矿体的脉岩带；矿床范围内圈定5条呈脉状沿北北东向展布的矿体；矿石类型为石英脉型和蚀变岩型；金以裂隙金、晶隙金和明金为主，以银金矿的形式存在，且主要与石英、黄铁矿、毒砂和水云母共生；成矿作用分为热液期及表生期，其中热液期又分为4个成矿阶段，即纯石英阶段，黄铁矿毒砂石英阶段，黄铁矿毒砂水云母石英阶段和石英碳酸盐阶段。

Occurring commonly in lead-zinc pyrite orebodies and near-ore skarn, it is associated with spessartine, pyrite and alabandite.

在对辽宁建昌县八家子矿区吴家屯铅锌黄铁矿－硫锰矿矿床进行研究的过程中，首次发现三斜锰辉石，它与锰铝榴石、硫锰矿、黄铁矿等共生，主要产出在铅锌黄铁矿体、硫锰矿体和近矿矽卡岩中。

Submember A, showing lower organic carbon and higher iron contents than the other submembers, deposited in oxygenated bottom waters.

心组红岗段黑色页岩的黄铁矿有成岩黄铁矿和同生黄铁矿两种成因组分。

The experiments include the flotaion of the different types of the Yinshan ores with different kinds of the flotation reagents and different flowsheets. The authors consider that for the flotaion of the lead and zinc ores, the necessity of using cyanides as depressants depends chiefly on the amounts of pyrite present and its ...

作者认为，对于那些黄铁矿含量少或黄铁矿易被抑制的铅锌矿石，采用优先浮选而不用氰化物作抑制剂是可行的，但对于那些含量大且可浮性好的黄铁矿的矿石，如果完全不用氰化物则要从药方与流程等来考虑。

However, because S is more easily combined with Fe than As does, hence when hydrothermal fluids are rich in S, the possibility of As presence in pyrite crystal lattice decreased, but the chance for Co and Ni to substitute Fe in pyrite crystal lattice increased, thus S rich is not favorable for the formation of P type of pyrite.

但另一方面，由于S与As相比更易与Fe结合，因而成矿介质中富S将使As进入黄铁矿晶格中的能力或几率降低，并进一步使Co、Ni因补偿类质同像进入黄铁矿晶格中代替Fe的能力或几率增大，反而不利于形成P型黄铁矿。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。