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石英
相关语句
  quartz
    INVESTIGATION OF THE DEPRESSING EFFECT OF S.P.F. ON QUARTZ
    S.P.F.对石英抑制作用的研究
短句来源
    Study on the flotation separation of sillimanite from quartz
    硅线石和石英浮选分离研究
短句来源
    The Effect of Combined Regulating Agents on the Separation of Kyanite from Quartz by Flotation
    联合调整剂在蓝晶石与石英浮选分离中的作用
短句来源
    Study on ore-hunting mineralogy of quartz of Hai-Gou Gold Deposit
    海沟金矿石英找矿矿物学研究
短句来源
    APPLICATION OF QUARTZ DEFORMATION LAMELLAE NDA TECHNIQUE TO STUDIES OFORE-CONTROLLING STRUCTURES
    石英变形纹NDA技术在控矿构造研究中的应用
短句来源
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  silica
    Application of Fused Silica Al_2O_3-PLOT column in Oil and Gas Geochemical Exploration
    石英Al_2O_3 PLOT柱在油气化探中的应用
短句来源
    Effect of Modified Starch on Flotation System of Silica magnetite
    改性淀粉对石英-磁铁矿浮选体系的影响
短句来源
    After researching the dosage of cationic collector GE-601, the pH of solution and dosage of amylum affected on the floatability of all kinds of ores, the findings indicate that the collector has a strong affection on silica and its selectivity in separating silica from magnetite is good, and that the concentrate grade of Fe is 69.37%, which contains SiO2 about 3.78% , and its recovery is about 90.67%.
    通过研究捕收剂GE-601用量、溶液pH值、淀粉用量对各类矿可浮性的影响,结果表明:该捕收剂GE-601对石英的捕收能力强,分选石英和磁铁矿较理想,可获得Fe品位69.37%,回收率90.67%,其中SiO_2含量为3.78%的优良指标。
短句来源
    when GE-601 was used as collector,it can be realized to float silica and to reach ideal separation.
    用GE-601作为捕收剂,可以实现反浮石英,达到理想的分离。
短句来源
    THE CHANGES IN CRYSTAL STRUCTURE OF POWDERED SILICA THE SUPERFINE GRINDING COURSE
    粉石英在行星球磨过程中晶体结构的变化
短句来源
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  quartz powder
    The method of on line measurement and control of quartz powder purity was introduced.
    主要介绍了生产线上对石英粉纯度实施检测与调控的技术路线和方法。
短句来源
    On line measurement and control of purity of ultrafine quartz powder with high purity
    超细高纯石英粉生产过程中纯度在线检测与调控
短句来源
  “石英”译为未确定词的双语例句
    ELEMENTARY GEOCHEMISTRY OF THE SHAOXING-JIANGSHAN GOLD BELT
    绍兴──江山石英闪长岩金矿带元素地球化学规律的多元统计分析
短句来源
    Dating of α-quartz by determining E' centre concentration
    α石英E’心浓度测量与测年研究
短句来源
    QUARTZ-NATRIUM SILICATE SYSTEM AND INTERFACE INTERACTION IN IT
    石英-硅酸钠体系与界面相互作用
短句来源
    GOLD-BEARIRING EVALUATION OF INFRARED SPECTRA AND ITS PROSPECT IN SEARCH FOR GOLD ORE IN WEIZI, SOUTH LIAONING PROVINCE
    辽南隈子金矿床石英脉含金性的红外光谱评价及找矿前景分析
短句来源
    FLUID INCLUSIONS AND EXPLORATION OF GOLD DEPOSITS IN THE NORTHEAST OF SHANXI PROVINCE
    晋东北金矿床石英流体包裹体与找矿
短句来源
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  quartz
The PI solutions were micro-contact printed with the elastomeric PDMS replica on quartz slides.
      
Good surface-relief-grating structures were formed on the quartz slides.
      
The quartz slides covered with surface-relief-grating polymide (PI) films were then assembled into liquid crystal (LC) cells.
      
Diagnose Parameters of Plasma Induced by Femtosecond Laser Pulse in Quartz and Glasses
      
Electron plasma induced by a focused femtosecond pulse (130 fs, 800 nm) in quartz, fused silica, K9 glass, and Soda Lime glass was investigated by pump-probe technology.
      
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  silica
Preparation and Evaluation of 3,5-Dinitrobenzoyl-Bonded Silica Gel Stationary Phase for HPLC
      
In this paper, a new preparation method of 3,5-dinitrobenzoyl-bonded silica gel stationary phase (DNB) for HPLC was developed by using N-(β-aminoethyl)-γ-aminopropyl-methyldimethoxy silane as coupling reagent.
      
The samples were extracted with methanol-water (volume ratio), The extracts were cleaned up with a column of silica gel.
      
Water-borne raspberry-like PMMA/SiO2 nanocom-posite particles were prepared via free radical copolymerization of methyl methacrylate (MMA) with 1-vinylimidazole (1-VID) in the presence of ultrafine aqueous silica sols.
      
The average particle sizes and the silica contents of the nanocomposite particles were in the ranges from 120-330 nm and 15%-20%, respectively.
      
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  quartz powder
At the phase angles between 0.5° and 3.0°, the polarization for quartz powder with 10-μm particles is almost constant.
      
To study the inhibitory effect of oxymatrine (OM) on quartz-induced secretion of TNF-α in the fibroblast proliferation, a given amount of quartz powder and OM of different concentrations were put into the media of pure culture containing macrophages.
      
For example, fast saponification reactions as well as long lasting adsorption reactions of NaOH on quartz powder were recorded.
      
A single crystal of plagioclase was surrounded by quartz powder and water.
      
An investment based on hard plaster loaded with fine-grained quartz powder and good chemical removability was investigated.
      
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The gold-antimony-tungsten deposit of Xiangxi gold mine in Hunan province of China has been mined for a long time. This mine is a bigger one in scale in our country. The integrated gold-antimony-tungsten ore occurs in the layered vein deposit the chief metal minerals are native gold, antimonite and scheelite. Quartz is main gangue mineral. Native gold presents in ultra finely grained and in thin schistose form. Its grains are in the size range of 0.05-0.5mm. Antimonite is encountered in compact massive and acicular...

The gold-antimony-tungsten deposit of Xiangxi gold mine in Hunan province of China has been mined for a long time. This mine is a bigger one in scale in our country. The integrated gold-antimony-tungsten ore occurs in the layered vein deposit the chief metal minerals are native gold, antimonite and scheelite. Quartz is main gangue mineral. Native gold presents in ultra finely grained and in thin schistose form. Its grains are in the size range of 0.05-0.5mm. Antimonite is encountered in compact massive and acicular form. After grinding to 0.1mm it could not be liberated completely. Scheelite generally occurs coarsely grained. In 6mm grain size liberated grains are found. In the size of 70-100 micron scheelite is fully liberated. The run-of-mine ore is crushed in the three-stage open circuit and then ground in two-stage close circuit to 0.4mm. The mill product is fed to tables to yield gold concentrate, bulk concentrate, low-grade middlings and tailings. The former two concentrates are treated respectively to produce mercury-gold concentrate, antimony-gold concentrate and scheelite concentrate. The low-grade middlings is returned to the ball mill for regrinding. The mill discharge is fed to tables. The tailings are reground in another ball mill. Its product (0.1mm) is first floated for recovering antimony and gold and then scheelite. A antimony-gold concentrate sent to smelter and a rough scheelite concentrate are obtained. The later is cleaned and leached by acid for removing phosphorus mineral to produce scheelite concentrate. A combined flowsheet with gravity, flotation and amalgamation just described has been developed according to the mineralogical charasteristic of the ore mined and has been modified many times. Therefore this flowsheet can be more adapted to fit the raw or in this mine. The technological results of dressing are better.The recoveries of Au, Sb and WO_3 are 86.39%, 96.62% and 75.05% respectively. Thequality of the mercury-gold concentrate, antimony-gold concentrate and scheelite concentrate is stable.

湘西金矿是我国开采较早,规模较大的金锑钨矿山。金、锑、钨共生金属矿产于层状脉矿床。主要矿物有自然金、辉锑矿、白钨矿;脉石以石英为主。原矿经三段开路碎矿,二段闭路磨矿碎磨至-0.4mm,然后入选。采用重选、浮选和混汞的联合流程产出汞金、锑金精矿和白钨精矿三种产品。由于上述联合流程是根据该矿区矿物性质的需要经多次改革而形成的,因此,对该矿区矿石适应性较强,工艺指标较高,产品质量稳定。Au、Sb、WO_3的回收率已分别达到86.39%、96.62%,75.05%。

Na2SiO3·9H2O(Ⅰ),Na2SiO3·.9H2O+HNO3(Ⅱ)and Na2SiO3·9H2O+HNO3 +Fe(NO3)3·9H2O(Ⅲ) solutions,used as dispersing agents,were tested for their relative dispersion powers acting on fine silica particles in which the dispersing agents Ⅱand Ⅲ were prepeared at a pH value of 3.Each of them was added to the fine silica pulp of pH 10.5 regulated by Na2CO3 and their dispersion powers were measured by sedimentation.It has been found that the dispersion powers areⅢ>Ⅱ>Ⅰ in order The metallurgical results of direct floatation...

Na2SiO3·9H2O(Ⅰ),Na2SiO3·.9H2O+HNO3(Ⅱ)and Na2SiO3·9H2O+HNO3 +Fe(NO3)3·9H2O(Ⅲ) solutions,used as dispersing agents,were tested for their relative dispersion powers acting on fine silica particles in which the dispersing agents Ⅱand Ⅲ were prepeared at a pH value of 3.Each of them was added to the fine silica pulp of pH 10.5 regulated by Na2CO3 and their dispersion powers were measured by sedimentation.It has been found that the dispersion powers areⅢ>Ⅱ>Ⅰ in order The metallurgical results of direct floatation tests of silicious hematite ore,using tall oil and diesel oil as the collectors for hematite,are also in the same order(Ⅲ>Ⅱ>Ⅰ).The higher dispersion powers of Ⅱ and Ⅲ are attributed to the formation of the protective colioids adsorbed on the silica surface as observed by the electronmicroscopic examination The potentials of quartz are also measured and considered to be related to the adsorption of protective colloids.

本文以酸化硅酸钠和酸化硅酸钠加铁盐作为分散剂,对常见脉石矿物石英的微细颗粒在PH为10.5的碳酸钠溶液中的分散稳定性进行了试验研究,发现上述两种分散剂都比单独硅酸钠本身的分散作用强,浮选精矿的品位高;认为其作用机理是在实验条件下所形成的亲水性胶体对细粒石英的分散起了保护胶体的作用。细粒脉石矿物的稳定分散,有利于赤铁矿矿石阴离子捕收剂的浮选。

The application of the photoelectric sorting method to mineral processing has made some progress at some tungsten mines in our country.In recent years,the method has been tested for quartz veined tungsten ore in leuco granite rock body and proved successful. Different kinds of minerals have different optical properties.The photoelectric sorting way is a separating process which changes the difference of certain optical property of minerals into the difference of electronic information.This diffuse refection...

The application of the photoelectric sorting method to mineral processing has made some progress at some tungsten mines in our country.In recent years,the method has been tested for quartz veined tungsten ore in leuco granite rock body and proved successful. Different kinds of minerals have different optical properties.The photoelectric sorting way is a separating process which changes the difference of certain optical property of minerals into the difference of electronic information.This diffuse refection method is the most widely used technique in sorting minerals.It can be subdivided into three types:monochromatic,bichromatic and polychromatic sorting methods. Generally,the selection of the processes is dependent upon the extent of the differences in minerals diffuse reflectivities. The key to use of the photoelectric sorting method lies in the conversion of the differencel in mineral optical properties into sufficient difference of electron informa- tion.The detecting system composed of light source,background,lens and light sensor can do the job,which is called the“eye”of the sorting machine.Consequently,the design of the detecting system depends on sorted minerals and should be meticulous. It is important to select the background because its signal is the basis for sorting minerals.It's especially important to select precisely the photoelectric signal of the background for minerals which are similar in colour. The adjoining rock of quartz veined tungsten ore is granite.The run-of-mine ore consists of granite,quartz and wolfram blocks.The size of the diffusely reflective photoelectric signal of granite(barren rock)is between those of wolfram block and quartz block.The colour which has nearly the same diffuse reflectivity as that of granite is selected as the background and by applying the diffuse reflection sorting method,it's possible to separate granite from quartz and wolfram block.This paper describes the basic principle and merits of the sorting process and presents some test results.The treated size fraction was-35+23mm.The run-of-mine ore was composed of ore bearing quartz vein,barren metamorphic rock and granite.The results achieved were as follows:The rejecting rate of barren rock was over 92%;the separating rate of ore bearing quartz vein in excess of 86%;the content of quartz vein in tailings below 3%.

我国的一些钨矿采用光电分选法选矿取得了一定的成效,近年来,对产于浅色花岗岩体内的石英脉型钨矿采用光电分选法进行了尝试,获得了成功。矿石的光学性质因物料不同而异。光电分选法是将物料的某种光学性质差异转变成为电子信息差异来进行拣选的一种选别方法。选矿中,最广泛采用的是漫反射分选法。漫反射分选法又分为单色分选法、双色分选法和复色分选法三种。通常是根据物料的漫反射差异的程度,选择其中的一种。采用光电分选法的关键在于能否将物料的光学性质的差异转变成足够的电子信息差异。由光源、背景、透镜装置、光敏元件等组成的检测系统,则是完成这一功能的,它被称为光电分选设备的“眼睛”。因此,对检测系统的设计考虑,是视拣选对象而定并且是十分讲究的。背景的选择是很重要的,它的光电信号是作为选别的基准,特别是对颜色相近的物料分选,精确选定背景光电信号的强弱尤为重要。围岩属花岗岩的石英脉型钨矿,因原矿是由花岗岩、石英、块钨等组成,花岗岩(废石)的漫反射光电信号的大小,介于石英与块钨之间。选择与花岗岩漫反射率相近的颜色作背景,运用漫反射分选法,是能够将花岗岩与石英、块钨分开的。本文介绍了...

我国的一些钨矿采用光电分选法选矿取得了一定的成效,近年来,对产于浅色花岗岩体内的石英脉型钨矿采用光电分选法进行了尝试,获得了成功。矿石的光学性质因物料不同而异。光电分选法是将物料的某种光学性质差异转变成为电子信息差异来进行拣选的一种选别方法。选矿中,最广泛采用的是漫反射分选法。漫反射分选法又分为单色分选法、双色分选法和复色分选法三种。通常是根据物料的漫反射差异的程度,选择其中的一种。采用光电分选法的关键在于能否将物料的光学性质的差异转变成足够的电子信息差异。由光源、背景、透镜装置、光敏元件等组成的检测系统,则是完成这一功能的,它被称为光电分选设备的“眼睛”。因此,对检测系统的设计考虑,是视拣选对象而定并且是十分讲究的。背景的选择是很重要的,它的光电信号是作为选别的基准,特别是对颜色相近的物料分选,精确选定背景光电信号的强弱尤为重要。围岩属花岗岩的石英脉型钨矿,因原矿是由花岗岩、石英、块钨等组成,花岗岩(废石)的漫反射光电信号的大小,介于石英与块钨之间。选择与花岗岩漫反射率相近的颜色作背景,运用漫反射分选法,是能够将花岗岩与石英、块钨分开的。本文介绍了运用漫反射分选法选弃花岗岩的意义、基本原理及方法,并提供了一些试验结果,入选粒级为-35+23mm,原矿由含矿的石英脉和不含矿的变质岩与花岗岩组成,选别结果是废石丢弃率92%以上,含矿石英脉选出率86%以上,尾矿中石英脉含量低于3%。

 
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