硅酸盐矿物
- 网络silicates;silicate mineral;Sorosilicates
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以德拜特性温度为可调参量,用德拜理论近似分析了某些链状硅酸盐矿物在不同温度、压力下的57Fe中心移(δCS)数据。
Temperature and pressure dependent center shift ( δ CS ) data of 57 Fe in some chain silicates were analyzed to Debye approximation using the Debye characteristic temperature as an adjustable parameter .
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结果表明,黄土中的Na+、Ca2+、Mg2+、Cl-主要通过快速的无机盐溶解过程淋失,而K+、SiO2的淋溶释放则与缓慢的硅酸盐矿物风化有关。
The results showed that Na + , Ca2 + , Mg2 + and Cl - were leached mainly through fast congruent dissolution of inorganic salts and the release of K + and Si was controlled by slow incongruent weathering of silicates .
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铝硅酸盐矿物和玻璃中Al的配位与局部结构
Coordination and local structure of aluminum in aluminosilicate minerals and glasses
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硅酸盐矿物比重的R值计算法
A r-calculating method for the specific gravity of silicates
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铝硅酸盐矿物、玻璃和熔体结构的Raman光谱研究
A Study of Raman Spectra of Aluminosilicate Minerals , Glass and Melts
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链状硅酸盐矿物中~(57)Fe同质异能移和二级多普勒移
Isomer shifts and second-order Doppler shifts of ~ ( 57 ) fe in chain silicates
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研究了一水硬铝石和高岭石、叶蜡石及伊利石等几种含铝硅酸盐矿物在不同pH条件下的动电行为与浮选行为。
The electrokinetic properties and flotation of diaspore , kaolinite , illite and pyrophillite with alkyl amine collectors were studied .
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架状硅酸盐矿物的Raman光谱研究
Raman spectra of framework silicate minerals
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硅酸盐矿物表面金属离子吸附规律的XPS分析
XPS Analysis on Adsorption Law of Metal Ion on Surface of Silicate Minerals
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纳米TiO2/层状硅酸盐矿物包覆型复合粒子的制备
Preparation of nanometer tio_2-coated layered silicate minerals compound particles
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通过XRD分析发现,尿素可能通过插层作用加速了高岭石等层状结构硅酸盐矿物的破碎速度,强化了铝土矿的选择性磨矿。
XRD analysis showed that the addition of urea may accelerate crushing through intercalation , thus strengthen the selective grinding of bauxite .
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PEO/硅酸盐矿物微粒助留体系的机理研究。
Research of flocculation mechanism of PEO / silicate microparticle retention system .
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硅酸盐矿物热红外发射率光谱特征与其SiO2含量有很好的对应关系。
There is a good correspondence between the thermal infrared emissivity spectral features of silicate minerals and their SiO2 content .
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铝硅酸盐矿物晶体由于脱水而被破坏,形成无定形SiO2,这种活性较差的SiO2在低温条件下可溶于稀碱溶液中被脱除。
This poorly active SiO2 can be dissolved in thin alkaline solution in relatively low temperature and sequentially removed from the system .
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氧同位素值、Li、B和Al浓度随埋深而增大,高的锶浓度指示了水-铝硅酸盐矿物反应是受温度控制的,Mg-Li可指示古地温。
δ 18O and the concentrations of Li , B , Al increase with the burial depth . Sr-content which is relatively higher than the average indicates that reactions between water and aluminosilicate are controlled by the temperature .
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试验结果表明,该药剂对含Mg硅酸盐矿物有特殊的抑制效果,而且选择性强,对Ni硫化矿基本上无抑制作用,对矿泥的分散效果亦较好。
The test result indicated that the AB inhibitor has special inhibition effect and strong selectivity to Mg containing silicates , and almost has not inhibition to nickel sulphide , and has good effect to disperse ore slime .
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片钠铝石是一种对油田开发有害的酸敏性矿物,其形成于碱性条件时需要大量的CO2及富含钠铝硅酸盐矿物及有一定孔隙空间的储层;
The dawsonite is a mineral sensitive to acidic substance , it requires alkali conditions to develop , in formation with much CO_2 and the reservoir containing much silicate mineral rich in sodium and aluminum , and containing certain pore space .
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结果表明:HGMS处理后,土壤粘粒层状硅酸盐矿物含量相对减少,高岭含量减小的幅度较大,而2∶1型矿物含量变化幅度较小;
Results indicated that phyllosilicates were decreased after HGMS treatment . But decreasing degree of 2 ∶ 1 phyllosilicates was less than kaolin .
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CaF2质量分数在163%~218%时,生料煅烧产物中的硅酸盐矿物含量低,CaSO4和fCaO的含量高;
When the raw mixture containing 1 63 % ~ 2 18 % CaF 2 , the content of the silicate mineral was lower , whereas the content of CaSO 4 and f CaO were higher .
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硅酸盐矿物的溶解速率与溶液的pH值、离子强度、温度及有机酸的含量等密切相关。碳酸盐类矿物的溶解速率主要取决于温度、CO2分压、酸碱度及相关离子的活度等因素。
The dissolution velocity of silicates is pH , ion strength , temperature and organic acid concentration dependant , and the dissolution velocity of carbonates mainly depends on temperature , partial pressure of CO_2 , pH , and activities of relevant ions in the solution .
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其共溶温度(1200℃±),且熔融温度范围比单一含Ca或含Mg硅酸盐矿物宽,可明显降低陶瓷烧结温度,缩短烧成时间。
Melting temperature of the system is lower ( 1200 ℃±) , and the melting temperature range is wider than the composition with separately magnesian or calcareous silicate mineral . So the sinter temperature could be obviously reduced and the process period will be distinctly shortened .
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其中,Cr(Ⅵ)毒性极强,对人体有致畸致癌作用。目前,利用生物和矿物材料(铝硅酸盐矿物、碳酸盐矿物和铁的氢氧化物等)去除重金属是研究者们关注的热点。
And Cr (ⅵ) is most toxic and carcinogenic to organism . Presently , it is hot topic noticed by researchers that the biology and mineral materials such as alumino-silicates minerals , carbonate minerals and iron oxyhydroxides , are utilized to remove the heavy metals .
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测定ζ电位和DLVO理论计算,分析六偏磷酸钠提高4种铝硅酸盐矿物分散性的作用机理。
The dispersion mechanisms of sodium hexametaphosphate on the four aluminum-silicate minerals were confirmed by measurements of zeta potentials and theoretical calculations of DLVO .
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本课题研究的是PEO/硅酸盐矿物非离子微粒助留体系,具体内容包括:(1)不同的PEO/硅酸盐矿物微粒助留助滤体系的研究;
And the flocculation mechanism was investigated too . Nonionic microparticle retention system of PEO / silicate was investigated in this paper , including : ( 1 ) Study of PEO / silicate microparticle retention system ;
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多晶X射线衍射图指标化的TREOR程序已被普遍采用,特别是在硅酸盐矿物等材料的晶体结构研究工作中应用很多。
TREOR ( trial and error ) method program for indexing X ray powder diffraction pattern of polycrystalline materials has been widely employed , especially in the research field of ceramics and mineral materials .
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选择易烧性较好的原燃料,适当提高水泥熟料中的n值、降低KH值,增加有效硅酸盐矿物成份(C3S+C2S)的总量,从而提高了熟料的实物质量。
The quality in kind of the clinker may be improved by choosing better fuel materials which are combustible , properly raising n value and lowering KH value , thus increasing the total weight of the effectiveness of silicate mineral ( C_3s + C_2s ) .
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根据高温高压相平衡实验资料,橄榄石、辉石这样的硅酸盐矿物在地幔深部的压力条件下可以分解成简单氧化物,如FeO(方铁矿)、MgO(方镁石)以及SiO2(斯石英)等。
High-pressure and high-temperature phase equilibrium experiments show that silicates such as olivine and pyroxene will be decomposed into simple oxides like FeO ( wustite ), MgO ( periclase ) and SiO-2 ( stishovite ) beneath the lower mantle ( 670 km ) .
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硫化铜镍矿中存在的蛇纹石、滑石等镁硅酸盐矿物,干扰硫化矿的浮选并使精矿中MgO含量升高,影响后续冶炼过程,严重制约着我国铜镍资源的高效利用。
High content of magnesium-silicate minerals like serpentine and talc not only obstructs the flotation separation of copper-nickel sulfide ores but also makes a undesirable high content of MgO in concentrate to impede the subsequent smelting process , which restricts the efficient utilization of copper and nickel resources in China .
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铅锌渣能够显著改善生料易烧性,降低液相出现温度,促进游离氧化钙(f-CaO)吸收和硅酸盐矿物形成。
The lead-zinc slag can also significantly improve the burnability of the raw meal , dropping liquid phase appearance temperature of clinker burning and promote the absorption of free lime ( f-CaO ) and the formation of silicate minerals .
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实验发现在22MPa时硅酸盐矿物的最大溶解反应速率多是在300℃,如硅的最大释放速率是在300℃。
Experiments also show that the maximum dissolution rates of silicate minerals always occur at 300 ℃, for example , the maximum release rate of Si is at 300 ℃ .