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矿物学研究     
相关语句
  mineralogical study
     PROGRESS OF MINERALOGICAL STUDY ON MINE TAILINGS
     矿山尾矿矿物学研究进展
短句来源
     A MINERALOGICAL STUDY ON THE GENESIS OFHUANIUSHAN LEAD-ZINC DEPOSIT
     花牛山铅锌矿床成因的矿物学研究
短句来源
     The mineralogical study of a new Cr-bearing edenite variety
     新发现的含铬浅闪石的矿物学研究
短句来源
     The mineralogical study on the calcine and cyaniding residue indicates that the most gold remained in residue is enclosed by Fe_2O_3 with the ultrafine and invisible par- ticle form,thus the promise to recover fully the gold from this species concentrate is to destroy the Fe_2O_3 phase as full as possible.
     对焙砂及氰化渣的矿物学研究表明,残留于渣中的大多数金均以超细的不可见金粒的形式为Fe_2O_3相包裹,因此,自该类型精矿中充分回收金的前提条件是尽可能破坏Fe_2O_3相。
短句来源
     Mineralogical Study of Calculi of the Submandibular Salivary Glands
     颌下腺导管结石的矿物学研究
短句来源
更多       
  mineralogical studies
     PETROGRAPHIC AND MINERALOGICAL STUDIES ON APOLLO-17 MARE BASALT
     阿波罗-17(70017—291)月海玄武岩岩石学及矿物学研究
短句来源
     MINERALOGICAL STUDIES OF NATROLITE IN GEODE OF THE ALKALI-BASALT
     碱性玄武岩晶洞中钠沸石的矿物学研究
短句来源
     Detailed mineralogical studies have been made by use of wet chemical analysis, X-ray andelectron diffractions, infrared absorption spectra, DTA and TGA.
     通过化学分析(湿法)、光性和物性检测、形态观察、X 射线和电子衍射、红外光谱、DTA和 TGA等方法进行了系统的矿物学研究
短句来源
     MINERALOGICAL STUDIES OF PYROXENE MEGACRYSTS IN CENOZOIC ALKALI BASALTS FROM FUJIAN PROVINCE
     福建省新生代玄武岩中辉石巨晶的矿物学研究
短句来源
     The mineralogical studies of the synthetic brucites are not only of interest in material science, but also provide experimental evidence for studying the nature of natural brucite.
     对这些合成水镁石的矿物学研究不仅具有材料科学意义,而且为研究天然水镁石成因和性质提供了实验室证据。
短句来源
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  a mineralogical study
     A MINERALOGICAL STUDY ON THE GENESIS OFHUANIUSHAN LEAD-ZINC DEPOSIT
     花牛山铅锌矿床成因的矿物学研究
短句来源
     A MINERALOGICAL STUDY ON SERPENTINE MINERALS FROM THE SICHUAN ASBESTOS DEPOSIT
     四川石棉矿蛇纹石矿物学研究
短句来源
     A MINERALOGICAL STUDY OF PYRITE IN ZHAOJIAPUZI GOLD DEPOSIT AND ITS SIGNIFICANCE
     赵家堡子金矿床黄铁矿矿物学研究
短句来源
     A MINERALOGICAL STUDY OF CALCITE FROM YINNAN OXIDIZED GOLD DEPOSIT, NINGXIA, CHINA
     宁夏银南氧化带金矿床方解石的矿物学研究
短句来源
     A MINERALOGICAL STUDY OF AMBER FROM XIXIA REGION,HENAN PROVINCE
     河南西峡琥珀的矿物学研究
短句来源
更多       
  mineralogy study
     Geochemical Simulation Experiment and Surface Mineralogy Study of Reaction between Pyrite and CuCl_2 Brine
     黄铁矿—CuCl_2盐溶液反应地球化学模拟实验及表面矿物学研究
短句来源
     The Grindability Test and Mineralogy Study on Ore with High Aluminum/Silicon
     高铝硅比矿的可磨性试验及矿物学研究
短句来源
     Acid neutralization potential test, acid production potential test, net acid production test,column leatching experiment and mineralogy study were done for the purpose of study and prediction the ecological envronment effects of gold mining.
     首次通过中和势实验、净产酸势实验、净产酸量实验和表生矿物学研究,对碧流河上游金矿开采的废岩和尾矿的产酸势和中和潜力特征进行了综合研究和预测,确定了采矿废岩、氰化尾矿和浮选尾矿的酸中和能力较低,净产酸势较大。
短句来源
     Technological mineralogy study of certain arsenic refractory goldores indicates, that there are 42. 3 % gold minerals being included in arsenopyrite andpyrite as submicroscopic invisible gold, the others exist in gangue as microscopic visiblegold.
     某仓砷难选金矿石的工艺矿物学研究表明,金矿物有42.3%以次显微不可见金包裹于毒砂与黄铁矿中,其余以显微可见金分布于脉石矿物粒间。
短句来源
     Mineralogy study of inhalable particles in environmental atmosphere
     环境大气可吸入颗粒物的矿物学研究
短句来源
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  mineralogical study
Results of the detailed lithological-mineralogical study of moraines from the well-known key sections in the Don Basin are presented.
      
Based on mineralogical study the indicators for correlation between the primary dolomites which are not influenced by the diagenesis and the replacement dolomites of different periods have been obtained.
      
Growth history of hydrothermal chimneys at EPR 9-10°N: A structural and mineralogical study
      
A mineralogical study of diatomite in Leizhou Peninsula
      
Petrological and mineralogical study of enclaves in plutons in the typical mining districts of Tongling, Anhui and its bearing o
      
更多          
  mineralogical studies
This paper describes the results of the grain-size and mineralogical studies of the deposits of the tsunami of 1994 on Shikotan, Tanfil'ev, and Kunashir islands.
      
We have conducted detailed mineralogical studies on ore minerals collected from Maoniuping and Dalucao, the two largest deposits in the belt.
      
The mineralogical studies imply that the clinopyroxene megacrysts are of Al-augite with higher Al2O3 (>amp;gt;9%).
      
Mineralogical studies of pyropes in kimberlites from China
      
Mineralogical studies of the sulphide samples show that individual samples contain a mixture of sulphide minerals and that one mineral is usually dominant.
      
更多          
  a mineralogical study
A mineralogical study of diatomite in Leizhou Peninsula
      
A mineralogical study of the inhalable particulate matter (PM10) in Beijing urban air
      
Gold ores related to shear zones, West Santa Comba-Fervenza Area (Galicia, NW Spain): A mineralogical study
      
An environmental survey indicated the stone quarry site of "Il Calvario" as a possible source of asbestos fibre exposure, while a mineralogical study allowed to identify the new asbestiform mineral "fluoro-edenite".
      
A Mineralogical study of nickel mattes from the kalgoorlie nickel smelter, kalgoorlie, western australia
      
更多          
  mineralogy study
An approach to some problems of technological mineralogy study on the ore of associated gain element
      
It is thought that the theoretical index forecast of dressing and smelting should be the component part of contents of technological mineralogy study.
      
  其他


During the smelting of an iron ore containing high fluoride content in a small blast furnace, the hearth refractories were severely corroded. This can be ascribed to the action of very fluid fluoride-containing slags.Moreover, the products of corrosion reactions also have low viscosity which easily flow away from the working face, and leave a new surface fresh for further attack.The stack lining with the same 45%-Al_2O_3 blast furnace brick was, however, in fairly good condition. The chemical analyses of the...

During the smelting of an iron ore containing high fluoride content in a small blast furnace, the hearth refractories were severely corroded. This can be ascribed to the action of very fluid fluoride-containing slags.Moreover, the products of corrosion reactions also have low viscosity which easily flow away from the working face, and leave a new surface fresh for further attack.The stack lining with the same 45%-Al_2O_3 blast furnace brick was, however, in fairly good condition. The chemical analyses of the inner surface of the brick samples show a high percentage of alkali-,alkaline earth-and fluoride-ion contents. But as the amount of melt formed at the temperatures on these zones is comparatively little, that corrosion is not severe.Minerals identified at the stack lining surface consist of: fluorite, fluoro-biotite, kaliophilitenephelite, leucite, cuspidine and spinels etc. This is the first time that mica minerals have ever been identified in blast furnace linings. It is thought that the formation of fluoro-biotite has fixed a part of the F~-, K~+ or Ca~(2+)-ions, which would otherwise go into the melt. Thus its formation actually exerts some protective action against the corrosion of the stack lining.The higher temperatures prevailing in the bosh region in contrast to the stack caused the formation of a much larger amount of fluoride-containing melt, which is probably responsible for the remarkable degree of Corrosion on the bosh refractories.High temperature experiments carried out in the laboratory on the reactions betwccn CaF_2 and 45%-Al_2O_3 brick powder in closed graphite crucibles throw light to explain the process of corrosion of the furnace lining. Hexagonal anorthite was identified in all of these experimtnts, which has identical optical properties and X-ray diffraction patterns with those of hexagonal anorthite synthesized in our laboratory. It is also interesting to note that these hexagonal anorthites change over to normal triclinic modification under heat treatment at 1000℃ for a period of 24 hours.As a result of this and other previous studies in this laboratory, the appropriate selection of refractory materials for the lining of blast furnaces, smelting iron (?)e containing high fluoride content, is recommended.

在某地高氟含量铁矿石的冶炼过程中,炉缸粘土质高炉砖砖视遭到了极其严重的破坏作用。主要侵蚀介质是含氟炉渣,侵蚀产物容易从砖面流失,因而加速了耐火材料的溶解。在炉身部位发现的矿物是:氟化钙、含氟黑云母、钾和钠的铝矽酸盐、枪晶石及尖晶石等。虽然在砖面附着物中包含着相当数量的氟、硷金属及硷土金属的化合物,但是由于温度较低,只有少量熔体出现,砖衬的损毁情况,并不严重。在高炉砖衬中发现云母矿物,还是第一次。在炉身部位的温度条件下,含氟黑云母具有固定F~-,K~+成Ca~(+2)的能力,对砖机起了保护作用。由于炉腹部位的温度较高,较大量含氟熔体出现,侵蚀就相当显著了。 CaF_2—45%Al_2O_3高炉砖的化学反应实验,可以帮助了解高炉砖视的损毁过程。反应产物中发现有六方钙长石,与实验室合成的六方钙长石具有一致的光学性质和X—射线粉末衍射图型。经过1000℃,24小时热处理后,这种六方钙长石会转变成为三斜晶系变体。 根据两个高炉砖衬的化学-矿物学研究及实验室中辅助研究的结果,对于冶炼高氟含量矿石的高炉砖衬的选择提出了建议。

This paper describes the cause of the viscous froth produced in the flotation process of the secondary enrichment ore in a pyrite-type copper deposit.This viscous froth resulted in a remarkable decrease in the recovery of copper concen- trate,thus,promoting an investigation on the mineralogy.It has been found that the presence of sardinianite which is closely associated with covelline is the basic factor causing the viscous froth. If the content of sardinianite is above 0.4% in the ore and pH>9 in pulp,the froth...

This paper describes the cause of the viscous froth produced in the flotation process of the secondary enrichment ore in a pyrite-type copper deposit.This viscous froth resulted in a remarkable decrease in the recovery of copper concen- trate,thus,promoting an investigation on the mineralogy.It has been found that the presence of sardinianite which is closely associated with covelline is the basic factor causing the viscous froth. If the content of sardinianite is above 0.4% in the ore and pH>9 in pulp,the froth becomes viscous.The behaviour of sardinianite in the flotation process has also been investigated.Finally,some methods have been presented for eliminating the viscous froth.

本文对黄铁矿型铜矿次生富集带矿石在浮选过程中泡沫发粘,致使铜回收率大幅度下降的原因,进行了选矿矿物学的研究。发现矿石中存在与铜蓝紧密共生的铅矾是影响浮选泡沫发粘的因素。当矿石中铅矾含量高于0.4%,矿浆 pH 值大于9时,浮选泡沫就发粘。考查了铅矾在浮选过程中的行为,最后提出了消除浮选泡沫发粘的方法。

The geode natrolite found by authors in Fushan, Dontu county, Anhui Province andTashan, Liuhe county, Jiangsu Province are characterized by their pure and fine crystals.Detailed mineralogical studies have been made by use of wet chemical analysis, X-ray andelectron diffractions, infrared absorption spectra, DTA and TGA.The electron diffractiondata of the structural transformations of natrolites by hydrothermal treatment are herereported for the first time. Natrolite when hydrothermally treated at 200℃,500 bars...

The geode natrolite found by authors in Fushan, Dontu county, Anhui Province andTashan, Liuhe county, Jiangsu Province are characterized by their pure and fine crystals.Detailed mineralogical studies have been made by use of wet chemical analysis, X-ray andelectron diffractions, infrared absorption spectra, DTA and TGA.The electron diffractiondata of the structural transformations of natrolites by hydrothermal treatment are herereported for the first time. Natrolite when hydrothermally treated at 200℃,500 bars for six days remained unchang-ed, resulting only slight decrease in degree of crystallization; when treated at 375℃, 500bars for six days, the mineral decomposed to analcime; when treated at 450℃, 1000 barsfor six days, there appeared mixed phases of much more analcime than nepheline; and at550℃, 1000 bars, it recrystallized to hexagonal sodium-nepheline.

本文报导了在安徽当涂县釜山和江苏六合县塔山所发现的晶洞钠沸石,其质地纯净、晶体完好。通过化学分析(湿法)、光性和物性检测、形态观察、X 射线和电子衍射、红外光谱、DTA和 TGA等方法进行了系统的矿物学研究。 在本文中首次报导了钠沸石的电子衍射和在水热实验中的相转变情况。在水热条件下,钠沸石处在200℃、500bar下(6d)尚保持不变,仅结晶程度有所降低;375℃、500bar下(6d),出现以方沸石为主和少量钠霞石的混合相;550℃、1000bar下(6d),重结晶为六方钠霞石。

 
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