Tetrad相关论文
Mineralogy and Geochemistry of Uraniferous Sandstones in Fault Zone,Wadi El Sahu Area,Southwestern S
Paleozoic rocks in the Wadi El Sahu area are affected by many major faults in different directions.A reverse fault trend......
Controls of interactions between iron hydroxide colloid and water on REE fractionations in surface w
The influence of pH on the partitioning behavior of REE at the water/particulate interface has been studied experimental......
Geochemistry and Petrogenesis of Late Ediacaran Rare-metal Albite Granites of the Arabian-Nubian Shi
The Abu Dabbab albite granite(ADAG),in the central Eastern Desert of Egypt,hosts the most significant rare metal ore dep......
Metric of Rotating Charged Spherical Mass in Vacuum for Vector Graviton Metric Theory of Gravitation
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
萝卜雄性不育系在萝卜新品种选育过程中伴演着重要角色,由于萝卜雄性不育遗传机制的复杂性及试验材料差异,研究结果不完全一致。为......
为探明野生坛紫菜的性别真相以及野外的性别观察与室内遗传杂交实验所得性别结果相反的原因,对可能影响天然坛紫菜性别的几个关键......
利用光学显微镜和扫描电子显微镜对杜鹃属(Rhododendron L.)和仿杜鹃属(Menziesia Smith.)26种植物的花粉形态进行了观察和比较研......
首次报道了杜鹃属马银花亚属四组20种2变种植物的花粉形态。本亚属植物的花粉均为四合花粉，呈正四面体排列，四合体直径为35．85－60．72μm......
研究了在氯化十四烷基吡啶及乳化剂OP存在下,铬天青S与钪显色反应的适宜条件.在PH值为6.4的六次甲基四胺缓冲液中,钪与铬天青S的配......
在水溶液中Cu(Ⅱ)与硫氰酸铵、氯化十四烷基吡啶形成不溶于水的三元缔合物,在少量氯化钠存在下此三元缔合物沉淀浮于水相上层并与......
利用光学显微镜和扫描电子显微镜对东北杜鹃花属（Ｒｈｏｄｏｄｅｎｄｒｏｎ Ｌｉｎｎ．）６种，１变种，１变型的花粉形态进行了观察和比较研究。该属花粉粒均为四合花粉。四合花粉......
研究发现杉木四分体属同时型。四分小孢子时期细胞质极浓厚,细胞质的代谢活动旺盛,外壁内层直接由细胞质分泌物形成。游离小孢子分......
Grouping separation of mixed rare earths from their coexisting aqueous solutions by liquid-column el
A new approach was proposed for grouping separation of 14 lanthanide rare-earth ions from their coexisting mixed aqueous......
Geochemical Characteristics of Rare Earth Elements of Guidong Granitic Complex and Relationship with
Guidong granitic complex is constituted by Luxi intrusion, Xiazhuang intrusion, Maofeng intrusion, Sundong intrusion, Ai......
The Hizeh-Jan kaolin deposit(northwest of Varzeghan,East-Azarbaidjan Province,NW Iran)is a product of the alteration of ......
REE Tetrad Effect as a Powerful Indicator of Formation Conditions of Karst Bauxites: A Case Study of
Study of the concentration of major,trace,and rare earth elements(REE)in the Shahindezh karst bauxite deposit,northweste......
