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Deformation of Stibnites and Pyrites in the Madsan Antimony Deposit (Niğde, Turkey): Implications for Pressure-Temperature Conditions of Local Deformation
Local Deformation Stibnites Pyrites
2009/7/8
The Madsan antimony deposit at the southeastern part of the Niğde province (south-central Turkey) includes a series of epithermal veins hosted by marbles and gneisses. The veins have a simple min...
Deformation of Stibnites and Pyrites in the Madsan Antimony Deposit (Niğde, Turkey): Implications for Pressure-Temperature Conditions of Local Deformation
Local Deformation Stibnites Pyrites
2009/7/8
The Madsan antimony deposit at the southeastern part of the Niğde province (south-central Turkey) includes a series of epithermal veins hosted by marbles and gneisses. The veins have a simple min...
Yo-yo Tectonics of the Niğde Massif During Wrenching in Central Anatolia
apatite fission track exhumation Niğ de Massif wrench zones yo-yo tectonics
2009/7/7
Yo-yo tectonics occurs in wrench zones in response to switches between transpression and transtension or to changes in the geometries of faults during these modes of deformation, and involves multiple...
Spectroscopic and Structural Study of Ni(II) Dipicolinate Complex with 2-amino-4-methylpyrimidine
Metal(II)-dipicolinate complexes X-ray crystal structure UV-Vis IR
2010/4/9
Nickel(II) dipicolinate complex containing 2-amino-4- methylpyrimidine (2A-4Mpy), [Ni(2A-4Mpy)(dpc) (H2O)2] . 2H2O was synthesized in solid state and its structural and spectroscopic properties were d...
针对松香氢化Ni/Al2O3-MxOy催化剂的失活原因,研究了该催化剂的再生方法,得到适宜的工艺条件为:将失活催化剂在 550℃ 焙烧 3h,再用 10% 硝酸镍溶液浸渍,然后于 500℃ 下焙烧 3h,再于 450℃ 下加氢还原 2h。经再生后的催化剂其催化性能与新鲜催化剂接近。
合成了配合物{[Cu(hmtade)][Ni(dmit)2]}2·4DMSO(1)(hmtade为5,7,7,12,14,14-六甲基-1,4,8,11-四氮杂环十四-4,11-二烯; dmit为1,3-二硫杂环戊二烯-2-硫酮-4,5-二硫醇; DMSO为二甲亚砜), 采用元素分析、红外光谱和紫外-可见光谱进行了表征, 并用X射线衍射法测定了晶体结构. 该晶体属于单斜晶系, P21/n空间群; ...
工艺参数对等离子熔覆Ni-Cr合金涂层组织及成形质量的影响
等离子束 Ni-Cr, 显微组织 工艺参数
2013/10/8
在40Cr合金钢表面等离子熔覆Ni-Cr合金涂层,研究熔覆功率和扫描速度对熔覆层组织及成形质量的影响规律.研究结果表明:熔覆层的组织从表层到与基体的结合面处依次为细晶、粗枝晶和柱状枝晶,熔覆层与基体呈现良好的冶金结合状态.当扫描速度一定时,随着熔覆功率的增大,熔覆层组织得到细化.较低功率、较大扫描速度时,熔覆层与基体的结合处存在熔合不良现象;较高功率、较小扫描速度时,熔覆层产生裂纹.能谱分析表明N...
Lichenised and Lichenicolous Fungi of Aladağlar National Park (Niğde, Kayseri and Adana Provinces) in Turkey
Ascomycota lichens coelomycetes hyphomycetes
2010/3/17
Three hundred and two lichenised fungi taxa belonging to 90 genera and 45 lichenicolous fungi taxa belonging to 24 genera are reported from Aladağlar National Park. Of these, 290 lichenised fungi...
基于近8年卫星观测的全球闪电资料, 对中国东南部和中南半岛各季节闪电密度距平场进行EOF分析发现, 在这一El Niño事件期间, 与NINO3区海表温度正距平升高的同时, 1997年春季该地区的闪电活动就出现了显著的正异常, 并一直持续到次年春季结束, 各季度的正异常区闪电密度距平百分率依次是89%, 30%, 45%, 498%和55%, 其中冬季变化幅度最大; 正异常区在冬、春...
Fe-Cu-Ni硫化物锍在似诺里尔斯克玄武岩熔渣中界面张力大小实验研究
锍 熔渣 界面张力 铜镍硫化物矿床
2009/5/19
通过座着液滴技术, 研究锍成分变化对锍在似诺里尔斯克玄武岩岩浆中界面张力大小变化的规律. 锍的成分有两个系列: FeS-Cu2S-Ni3S2和FeO-FeS. 由实验得出如下结果: 1) 在FeS-Cu2S-Ni3S2系列中, 随着锍中Cu和Ni含量的增加, 其界面张力逐渐变小; 2) 在FeO-FeS系列中, 随着锍中氧含量增高, 其界面张力逐渐变大. 实验结果表明, 形成大规模岩浆 Cu-Ni...
二茂铁基苯基甲醇与三氟化硼-乙醚溶液在二氯甲烷中作用，形成相应的二茂铁苯基甲基碳正离子，无需从反应混合物中分离出来，该离子便可与乙醇胺作用得到N-(苯基, 二茂铁基)甲基-β-羟乙胺(FcY)，用该氨基醇分别与氯化镍，氯化铜，氯化锌，氯化镉，氯化汞反应，制备了氨基醇-镍(Ⅱ)、 氨基醇-铜(Ⅱ)、 氨基醇-锌(Ⅱ)、 氨基醇-镉(Ⅱ)、 氨基醇-汞(Ⅱ)五种二茂铁基氨基醇-重金属配合物(用通式M-...
用传统的等体积浸渍法或蒸发法制备了 Ni/La2O3/γ-Al2O3 与 Ni/La2O3/α-Al2O3 催化剂, 在没有稀释气体的条件下进行了甲烷干重整反应. 采用H2 程序升温还原、N2 吸附脱附、X 射线衍射、透射电子显微镜、热重-差示扫描热量以及程序升温加氢等手段对新鲜的与反应后的催化剂以及沉积的碳进行了表征. 结果表明, 催化剂上有四种含碳物种, 以三种形态存在, 即无定形碳 (聚...
Water-Gas Shift Reaction over Bimetallic Pt-Ni/Al2O3 Catalysts
Water-gas shift Pt-Ni CO removal high temperature shift (HTS)
2010/4/9
The water-gas shift (WGS) activity of bimetallic Pt-Ni/Al2O3 catalysts was investigated in the temperature range 200-450 °C using an idealized feed composition consisting of 3% CO and 6%-10% H2O. The ...
Wavelet based fractal analysis of El Niño/La Niña episodes
Self-organized criticality Tropical Pacific Decadal Oscillation Sea Surface Temperature Quasi-Biennial
2009/4/13
The fractal dimension H, which is frequency-dependent within Quasi-Biennial (QB) period, was explored to measure the noise characteristics of Niño 3.4 Sea Surface Temperature (SST), where “nois...
溶液中铝还原制备Ni-Fe合金纳米粉体及其还原过程
Ni(Fe)合金 固溶体 纳米粉体 Fe 0.64 Ni 0.36
2010/1/19
用多相合成方法， 以金属铝粉作还原剂还原FeSO4·(NH4)2SO4和NiSO4·(NH4)2SO4的混合溶液， 制备了Ni-Fe合金的钠米粉体, 并对反应的过程进行了讨论.