pyrites

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。

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。

It's a new-geochemical method,which gold deposits are surveyed with pyrites.

利用黄铁矿进行找金是一种新的地球化学找矿方法。

We utilized the change of concentration ratio between pyrites and rocks to survey gold deposits.

所以通过金在黄铁矿及岩石中浓度比值的变化，能有效地指导勘查金矿床。

Pyrites in Dianfang gold deposit of Proterozoic explosive breecia type are mainlygold-bearing minerals.

元古宙爆破角砾岩型店坊金矿床中的黄铁矿是主要载金矿物。

Core HD196A, recovered from the seafloor of the northeastern South China Sea, has large amount of pyrites.

南海东北部的HD196A岩心中发现大量条状的自生黄铁矿,以中空或实心为主。

The intervals around 500 cm of Core HD196A are enriched in authigenic pyrites, showing a rich zone of pyrites.

自生黄铁矿是海洋沉积物缺氧硫酸盐还原过程的主要产物。

The results reveal that An-carriers are mainly pyrites among which pyritohedron is the most important one.

该矿物热电性全属P型导电，热电系数在垂向上无大变化，预示本矿床深部仍具一定远景。

An early hypothesis by Chakraborti holds that the arsenic is associated with iron pyrites and enters the aquifers by an oxidation process.

加卡波狄较早提出的一个假说认为，砷与黄铁矿结合并透过氧化作用进入含水层。

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。

Pyrites often contain several nonferrous metal and noble metal elementS and thus can bepossessed of comprehensive utilization.

黄铁矿常含有多种有色金属和贵金属元素，具有综合利用价值。

In view of the defects in GB, a novel method was proposed after many experiments to accurately measure the content of pyrites sulfur derived from coal.

摘要针对国标法难以准确测定含量高达40%左右的煤系硫铁矿中硫化铁硫的不足，通过多次试验提出一个可以准确测定高含量煤系硫铁矿中硫化铁硫的方法。

The constituents of six ore minerals, especially those of pyrites and cassiterite, are obviously con trolled by temporal factors.

结果显示，矿床中主要矿石矿物的化学成分明显受时间因素控制，尤其是黄铁矿类和锡石。

The sulfur produced from pyrites at first appeared in the Northern and Sourhern Dynasties, and then was developed in the Tang Dynasty.

本文认为,山西阳城由硫铁矿炼硫的迹象在南北朝时出现,而发展于唐。

A lot of iron pyrites in the meddle of 1430 near ore bed in Dayagou can be found , which is the next foreground of finding ore.

在大崖沟1430中段发现蚀变矿化带，其中黄铁矿化较强烈，为下一步的找矿提供了有利的地段。

However, we still have some way to go to catch up with the advanced sulphuric acid production technologies based on pyrites in the world.

我国的硫铁矿制酸与世界先进水平相比仍有一定差距,装置规模较小,污染控制仍需完善,热回收效率有待提高。

Acid mine drainage (AMD) is a result of the pyrites with air and water, which passes through a series of geochemical reactions under the effect of microorganisms.

煤矿酸性矿井水是煤矿开采中由于硫铁矿与空气、水接触,在微生物作用下经过一系列地球化学反应产生的一种危害矿井生产、破坏生态环境的有害矿井排水。

The structure of column magnetic separator,its separation principle and process,and its application in treating magnetite tailings and pyrites slag are described.

介绍了磁选柱的结构、分选原理、分选过程及其在处理矿山磁选尾矿和硫铁矿烧渣方面的应用。

Six kinds of minerals, such as pyrites, arsenopyrite, sphalerite, galena and cassiterite from various metallogenic stages, ore blocks and ore types were analyzed by EMPA.

对不同阶段、不同地段和不同类型的黄铁矿类、毒砂、黄铜矿、闪锌矿、方铅矿和锡石等6种主要矿石矿物进行了电子探针微区分析。

Chemical typomorphic characteristics of the pyrites on three ore blocks from Zhilingtou gold deposit of Suichang County in Zhejiang Province are studied.

对遂昌治岭头金矿床3个矿段(东矿段、中矿段、西矿段)的黄铁矿进行了化学成分标型特征的研究。

Bioleaching of soluble phosphate from phosphate rock with acidithiobacillus ferrooxidans mutated with microwave under existing of pyrites was investigated.

采用微波辐照对氧化亚铁硫杆菌进行诱变,并利用诱变菌在黄铁矿存在条件下从磷矿粉中浸出可溶性磷。

Xu Yi.Experimental research in desulfurization from iron pyrites in coal by microorganism technology[J].Acta Microbiologica Sinica, 1990,30(2): 134-140.

[3]徐毅.微生物法脱除煤炭中黄铁矿硫[J].微生物学报,1990,30(2):134-140.

Studies on the characteristics of electron paramagnetic resonance(EPR)and far-infrared spectra of pyrites indicate that there are distinct differences among spectra of pyrites varying in gold content.

对含金性不同之黄铁矿进行了电子顺磁共振谱(EPR谱)及远红外吸收光谱的研究表明:含金性不同的黄铁矿,它们的谱学特征也各异。

Typomorphic characteristics of pyrites in Au deposits, such as chemical elements, pyroelectricity and crystal form are closely related to the physio-chemical conditions under which they were formed.

金矿床中黄铁矿的化学元素、晶体形态、粒度等标型特征与其形成的物理化学环境及介质条件密切相关。

SEM photographs show that pyrites occurred in forms of both micro-spheroids and cubic crystal aggregations, caused by microbial fossilization and inorganic processes, respectively.

扫描电镜(SEM)照片显示黄铁矿以微球粒状和立方体状形貌产出，其成因与微生物作用和无机作用有关。

Sea salt sulfate in the upper part of sediment column was dominantly reduced by AOM, and the remained sulfate involving reduction would probably cause positive sulfur isotopic excursion of pyrites.

海水源为主的硫酸盐参与了沉积物上部的AOM过程，黄铁矿硫稳定同位素正偏的原因可能与较强的AOM作用和较多的残余硫酸盐参与有关。

Concentration of gold and associated elements decreased in the pyrites,which distributedin the ore body,bcause natural golds and massive pyrites were produced in the metallogenic period.

在金的成矿时期，由于自然金的形成，黄铁矿中金的含量下降。

A film of pyrites was discovered on the interface of Lower Sinian Sidingshan Formation and Fengtai conglomerate , at Sishilichangshan Mountains in the south margin of the North China Block.

华北陆块南缘四十里长山地区下震旦统四顶山组叠层石白云岩与其上部凤台砾岩的接触界面上为一薄层黄铁矿,对其宏观和微观以及地球化学特征研究表明,这一接触界面为裂离不整合。

This paper,based on a iron pyrites monitor acid mine drainage and heavy metals pollution example in waste rock site,introduces present conditions of acid mine drainage pollution in waste r.

本文以某黄铁矿废石场酸性废水重金属污染监测为例,介绍了废石场酸性废水污染现状,探讨了硫化矿物氧化机理、酸性废水重金属迁移转化规律和时空分布规律。

Method of sampling iron pyrites and sulfur ores

黄铁矿及硫矿采样方法及水分含量测定方法

Keywords devolved customer value;pyrites;marketing;

顾客度让价值;硫铁矿;市场营销;

Keywords pyrolusite;iron pyrites;roasting;leaching;

软锰矿;硫铁矿;焙烧;浸取;

horizontal ( rotary)pyrites burner

卧式硫铁矿回转炉

horizontal rotary pyrites burner

卧式硫铁矿回转炉

sulfuric acid production from pyrites raw material

硫铁矿制酸

horizontal (rotary)pyrites burner

卧式硫铁矿回转炉

Study on Cleaner Production on Producing Sulfuric Acid by Pyrites

硫铁矿制取硫酸的清洁生产研究

Devolved Customer Value and Marketing of Pyrites Enterprises

顾客度让价值与硫铁矿企业市场营销

Study on the Cleaner Production of Sulphuric Acid from Pyrites

硫铁矿制取硫酸的清洁生产研究

Keywords Bainiuchang silver pyrites typomorphic characteristic;

关键词白牛厂银矿;黄铁矿;标型特征;

Keywords Mycobacterium phlei;flocculation;coal;pyrites;

草分枝杆菌;絮凝;煤;黄铁矿;

Keywords combined depressor;galena;pyrites;flotation separation;

组合抑制剂;方铅矿;黄铁矿;浮选分离;

Keywords coated gold in pyrites;poor Mn ore;soak out;gold;MnSO 4;

硫铁矿包裹金;贫锰矿;浸出;金;硫酸锰;

Keywords Pyrites;Water pollution;Cadmium/tox;Kidney/physiopathol;

黄铁矿;水污染;镉／毒性;肾／病理生理学;

Modified coal-derived Pyrites

改性煤系硫铁矿

modified pyrites in coal gangue

改性煤系硫铁矿

The Effect of Ash and Iron Pyrites on NO and SO_2 of Coal Combustion

灰分和黄铁矿对燃煤NO和SO_2生成的影响

Xinqiao mining industry Co. is the second largest pyrites enterprise;

新桥矿业公司为全国第二大硫铁矿山企业；

Keywords nitrogen;sulfur;ash constituent;iron pyrites;coal combustion;

氮;硫;灰分;黄铁矿;煤燃烧;

Keywords rectoriteor;calcine;iron pyrites;superabsorbent resin;preparation;

累托石;煅烧;黄铁矿;高吸水树脂;制备;