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40篇 您的检索式:作者名="Mikhail T"
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1用Y/Ho比值指示俄罗斯乌拉尔南部晶质菱镁矿矿床的成因(英文)显示文摘乌拉尔省南部赋存有两种类型的晶质菱镁矿:1)白云岩地层中的层状矿体;2)白云质灰岩中的透镜状矿体。晶质菱镁矿矿体位于Riphean系列中下层的白云岩中,而在上层的白云岩单元中缺失。这两种类型的菱镁矿可通过矿体形态、晶体大小、石英和白云石含量不同来进行区分。第一种类型的菱镁矿储量巨大,菱镁矿呈粗粒结构,晶体粒径>10mm(最大达150mm);一般来说,矿体与白云岩围岩界限清楚,这种类型矿床以产在Riphean序列下部为特征。第二种类型的菱镁矿由于菱镁矿矿体穿插进入到白云岩围岩中,矿体很不规则,菱镁矿晶体也相对较小(1-5mm),这种类型的矿体主要产在Riphean中部层位中。这两种矿体都显示了交代成因的特征。但这两种菱镁矿矿石在一些主量元素和稀土元素的分布上具有不同的特征:与第二种类型相比,第一种菱镁矿具有较低的FeO,CaO和SiO2含量,与白云岩围岩(La/Lu>1)相比,具La/Lu<1的轻稀土亏损特征。第二种菱镁矿稀土分馏度较低,在稀土分配方面与白云岩围岩有差别。本文还特别讨论了Y/Ho值的重要性,因为该比值在菱镁矿和围岩中的类似性使得划分菱镁矿形成中的热液和成岩交代过程成为可能。因此我们认为,第一种类型菱镁矿,如具有高Y/Ho比值的Satka和Bakal矿床的形成属于沉积盆地发育过程中的早期成岩阶段;Mikhail T KRUPENIN 2004岩石学报2004,20,4:8
2Risk of pneumothorax in CT-guided transthoracic needle aspiration biopsy of the lung显示文摘KAZEROONI E A LIM F T MIKHAIL A 1996Radiology1996,198,:1
3On - line solid - phase extraction and HPLC determination of polyeyclie aromatic hydrocarbons in water using fluorocarbon polymer sorbents 显示文摘Lubov O Mikhail S Grigoriy T 2005Analytica Chimica Aeta2005,538,:1
4China and Globalization 显示文摘Mikhail T 2003Far Eastern Affairs2003,31,4:1
5Desulfurization by an economically adsorption technique显示文摘Mikhail S Zaki T Khalil L 2002Applied Catalysis A:General2002,227,:1
6Numerical study of flow inside an annular jet pump 显示文摘E1 G M MEAKHAIL T MIKHAIL S 2006Journal of Ther- mophysics and Heat Transfer2006,20,4:1
7Performance of Li-ion cells with new electrolytes conceived for lowtemperature applications显示文摘SERGEY V S MIKHAIL Y K YEVGENIY N T 2000Journal of Power Sources2000,87,:1
8Desulfurization by an economically adsorption technique显示文摘Mikhail S Zaki T Khalil L 2002Applied Catalysis A: General2002,227,12:1
9New composite sorbent CaCl2 in mesopores for sorption cooling/heating显示文摘Mikhail T Larissa G Vyacheslav R 2002International Journal of Thermal Science2002,41,5:1
10Numerical study of flow inside an annular jet pump显示文摘EL GAZZAR M MEAKHAIL T MIKHAIL S 2006Journal of Thermophysics and Heat Transfer2006,20,4:1
11Desulfurization by an economically adsorption technique 显示文摘MIKHAIL S ZAIK T KHALIL L 2002Applied Catalysis A: General2002,227,12:1
12Numerical study offlow inside an annular jet pump显示文摘Gazzar M E Meakhail T Mikhail S 2006Journal of Thermo-physics and Heat Transfer2006,20,4:1
13Thermal infrared panoramic imaging sensor显示文摘MIKHAIL G EDDY K T OLGA G A 2006SPIE2006,6206,62:1
14Desulfurization by an economically adsorption technique 显示文摘MIKHAIL S ZAKI T KHALIL L 2002Appl Catal A:General2002,227,2:1
15Prospective randomized study of various techniques of pereutaneoune phrolithotomy显示文摘FENG MI T AMADDON K MIKHAIL A 2001Urol2001,58,:1
16Catalytic dehydration of alcohols using thermally pretreated manganese material显示文摘Zaki T Mikhail S 2005Petroleum Science and Technology2005,23,1112:1
17Laser welding and weld hardness analysis of thick section S355 structural steel 显示文摘MIKHAIL S ANTTI S MIKHAIL I T 2011Materials and Design2011,32,10:1
18Thymic neoplasms:a clinical update显示文摘Mikhail M Mekhail Y Mekhail T 0,,:1
19Desulfurization by an economically adsorption technique 显示文摘Mikhail S Zaki T Khalil L 2002Appl Catal A: General2002,227,2:1
20Risk of pneumothorax in CTguided transthoracic needle aspiration biopsy of the lung显示文摘Kazerooni E A Lim F T Mikhail A 1996Radiology1996,198,2:1
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