- 更多网络例句与镧系元素相关的网络例句 [注：此内容来源于网络，仅供参考]
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Lanthanides belong to the sixth cycle of the periodic table Ⅲ B family, are all solid metal, they are La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, holmium, erbium, thulium, ytterbium, and lutetium were 15 kinds of metals and their periphery are two layers of electronic 5d16s2, while the peripheral third layer f orbital but never zero to 14, so the external electronic structure of 4f0-145d16s2, and therefore these elements in oxidation number are to 3, very close chemical properties, extraction, when it is difficult to separate them they are mostly multi-element mineral mix, more difficult to increase refining, and their atomic number of 57-71, one by one to increase the number of protons the nucleus, and thus extranuclear electron of gravity is also growing, so that atomic radius decreases with increasing atomic number Z, which makes lanthanides contraction, ionic radius is also reduced, which also makes Zr, Hf, Nb and Ta, Mo and W, the atom and ionic radius very close to each other they also determine a similar nature, resulting in difficult separation, also the tribe Ⅷ of the fifth cycle, ruthenium, rhodium, palladium, and the sixth cycle, osmium, iridium, platinum is very similar in nature, thus The six elements, said platinum group elements.
镧系元素属于周期表第六周期中ⅢB族，全部是固体金属，它们是镧、铈、镨、钕、钷、钐、铕、钆、铽、镝、钬、铒、铥、镱和镥共十五种金属元素，它们的外围两层的电子均是5d16s2，而外围第三层的f轨道电子却从零增加到14个，所以外围电子结构为4f0－145d16s2，而使这些元素氧化数均为＋3，化学性质极为接近，提炼时很难分开，它们的矿石又大多是多种元素混在一起的，更增加提纯难度，它们的原子序数为57－71，核内质子数逐个增加，因而对核外电子引力也不断增强，使原子半径随原子序数Z增加而减小，这就使镧系元素收缩、离子半径也缩小，这也使得Zr和Hf，Nb和Ta、Mo和W等原子和离子半径都很接近、也决定了它们彼此性质类似，以致难以分离、也使第Ⅷ族中第五周期的钌、铑、钯和第六周期的锇、铱、铂在性质上极为相似，因而称这六个元素为铂系元素。
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For lanthanides in Am at pH 2. 7～2. 8. According to empirical distribution ratio model and proposed calculation method, flow sheets are proposed for the separation of Am and fission product lanthanides from power reactor and production reactor waste respectively.
7级萃取、3级洗涤2级反萃的多级逆流分馏萃取实验表明HBTMPDTP-TBP-煤油能够很好地萃取分离镅和镧系元素，在pH值为2.7～2.8时，镧系元素中镅的分离系数大于5×10〓，镅中镧系元素的分离系数大于2.5×10〓。
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The ability of HBMPPT-S-Toluene-HNO〓 system to extract lanthinideelements was much lower than its ability to extract trivalent Am.
该体系对各镧系元素之间也有一定的分离效果，但相邻镧系元素间的分离系数较小。
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The invention discloses a method for preparing novel nanometer TiO2 optical catalyst material, comprising that (1) preparing gel solution of modified lanthanide series that mixing butyl titanate, alcohol solvent, azotic acid, polyvinyl alcohol and lanthanide element,(2) using alkali liquid to treat the quartz fiber leaked from side wall,(3) using drawing membrane and high-temperature sintering to form modified TiO2 optical catalyst material on the surface of quartz fiber.
本发明公开了一种制备新型纳米TiO2光催化材料的方法，包括(1)配置镧系元素改性的溶胶溶液：将钛酸四丁酯、醇类溶剂、硝酸、聚乙烯醇和镧系元素的盐类混合搅拌；(2)利用碱液对侧壁漏光石英光纤进行处理；(3)通过提拉成膜和高温煅烧，在石英光纤表面形成改性TiO2光催化材料。
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The results were suggested that both lanthanide series of elements, such as 〓 and morphine which remarkedly enhanced glutamate neurotoxicity might share the same molecular mechanisms.
在PC12细胞中镧系元素〓能增强Glu的毒性作用，这种作用也能被纳络酮逆转，说明铜系元素〓与吗啡在增强Glu神经毒性方面可能有相同的分子机制。
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The results demonstrate that OET has good application to the physicochemical properties of lanthanide and actinide , especially to the spectral properties which have not been reported by means of QSPR .
研究表明OET对镧系元素和锕系元素的物理化学性质具有良好的应用，尤其是对尚未借助QSPR手段进行研究的光谱性质。
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The results demonstrate that OET has good application to the physicochemical properties of lanthanide and actinide,especially to the spectral properties which have not been reported by means of QSPR (quantitative structure property relationships).
研究表明OET对镧系元素和锕系元素的物理化学性质具有良好的应用，尤其是对尚未借助QSPR手段进行研究的光谱性质。
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Three parameters of lanthanide,atomic number Z,valence electron number N,ion radius r,were used to define a new topological index of bond parameter —H_z.
根据镧系元素的原子序数Z、价电子数N、离子半径r提出了一个新的键参数拓扑指数 HZ，并将HZ、镧系元素相对分子质量Mr共同与其11种理化性质进行关联，其结果显示了满意的线性相关性。
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All of them fulfill the requirements of Am transmutation and changing the lanthanide fraction into a non-alpha waste. HBTMPDTP-TBP-kerosene has good radiolytic stability.
根据分配比模型和连续逆流计算方法设计了HBTMPDTP-TBP-煤油协萃分离动力堆和生产堆高放废液中镅和裂变产物镧系元素的推荐流程，它们都同时满足镅嬗变和镧系元素组分转变为非α放射性废物的要求。
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"Lanthanon metal ores mining\",\"稀土金属矿采选业\",\Includes lanthanum, scandium, ytterbium and 17 kinds of metal ores mining.
&，\&包括镧系元素及和镧系元素性质相近的钪，镱等17种矿的采选\
- 更多网络解释与镧系元素相关的网络解释 [注：此内容来源于网络，仅供参考]
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lanthanide：镧系元素
lanosterol 羊毛醇 | lanthanide 镧系元素 | lanthanide contraction 镧系收缩
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lanthanide series：镧系元素
lanthanides 类镧元素 | lanthanide series 镧系元素 | lanthanide contraction 镧系收缩
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lanthanide contraction：镧系收缩
lanthanide series 镧系元素 | lanthanide contraction 镧系收缩 | lanolin 羊毛脂
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lanthanide contraction：镧族元素压缩
langite 蓝铜矾 | lanthanide contraction 镧族元素压缩 | lanthanide elements 镧系元素
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lanthanide elements：镧系元素
lanthanide contraction 镧族元素压缩 | lanthanide elements 镧系元素 | lanthanides 镧系元素
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Lanthanides：镧系元素
彭亨州武吉公满的山埃议题还未解决,又传来关丹镧系元素(Lanthanides)提炼厂的新闻. 彭亨州政府到底发生了甚麼事?征税是千古以来恒久的政治行为,史上征税的方式也千百种、无奇不有. 早前首相兼财政部长纳吉在纽约宣布,
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Lanthanides：镧系
lanthanide series 镧系 | lanthanides 镧系 | lanthanoid 镧系元素
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Lanthanides：镧系元素本文来自:博研联盟论坛
156. f-Block Elements f区元素本文来自:博研联盟论坛 | 157. Lanthanides 镧系元素本文来自:博研联盟论坛 | 158. Radioactivity 放射性本文来自:博研联盟论坛
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lanthanides ;lanthanide series：镧系元素
镧系反缩 lanthanide contraction | 镧系元素 lanthanides ;lanthanide series | 镧 lanthanium
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lanthanide metallide：镧系(元素)金属化合物
lanthanide hydride | 镧系(元素)氢化物 | lanthanide metallide | 镧系(元素)金属化合物 | lanthanide oxide | 镧系(元素)氧化物