NIOBIUM

作品数：281被引量：581H指数：10
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Direct conversion of lignin into arene products catalyzed by a niobium-based material被引量：1
《Science Bulletin》2017年第18期1231-1232,共2页Limin Qi 
As a complex aromatic biopolymer that constitutes 25%–35%of renewable carbon on the earth,lignin is the only large-volume renewable source of aromatic chemicals[1].Lignin has an extended network built from alcohol mo...
关键词：芳烃化合物 催化转化 木质素 直接转化 产物 材料 生物聚合物 聚合物结构 
Temperature dependence of niobium superconducting nanowire single-photon detectors in He-3 cryocooler被引量：2
《Chinese Science Bulletin》2014年第28期3549-3553,共5页Tao Jia Chao Wan Limin Zhao Yu Zhou Qingyuan Zhao Min Gu Xiaoqing Jia Labao Zhang Biaobing Jin Jian Chen Lin Kang 
financially supported by theNational Basic Research Program of China(2011CBA00107,2011CBA00202);the National Natural Science Foundation of China(11227904 and 61101012)
Performances of superconducting nanowire single-photon detectors(SNSPDs) based on low TCmaterials strongly depend on the operating temperatures. We have fabricated infrared-sensitive niobium SNSPDs based on doped niob...
关键词：单光子探测器 纳米线 制冷机 温度依赖性 超导 铌 氦3 临界电流 
Influence of O_2/Ar ratio on the properties of transparent conductive niobium-doped ZnO films被引量：1
《Chinese Science Bulletin》2009年第13期2217-2220,共4页CAO Feng WANG YiDing LIU KuiXue YIN JingZhi LONG BeiHong LI Li ZHANG Yu CHEN XiaMei 
Supported by the High-Tech Research and Development Program of China(Grant Nos.2007AA06Z112,2007AA03Z446);Research Fund for the Doctoral Program of Higher Education of China(Grant No.20060183030);Science and Technology Office of Jilin Province(Grant No.20070709);Bureau of Science and Technology of Changchun City(Grant No.2007107)
Niobium-doped ZnO transparent conductive films are deposited on glass substrates by radio frequency sputtering at 300℃.The influence of O2/Ar ratio on the structural,electrical and optical properties of the as-deposi...
关键词：ZNO薄膜 透明导电 光学性能 铌掺杂 Hall测量 射频溅射 玻璃基板 薄膜沉积 
High resolution electron energy loss spectroscopy study of the oxidation of Nb(110) surface
《Chinese Science Bulletin》1997年第5期384-387,共4页Wang, YS Wei, XM Tian, ZJ Zhai, RS Ushikubo, T Sato, K Zhuang, SX 
NIOBIUM and its oxides are a new kind of materials applied in technical fields, such as catalysis, microelectronics, ceramics and optical glass. In order to understand the surface structure and catalytic activity, muc...
关键词：oxygen adsorption NB (110) SURFACE NIOBIUM OXIDE films high RESOLUTION electron energy loss speetroscopy (HREELS). 
A NEW MINERAL VARIETY——NIOBIUM ANATASE
《Chinese Science Bulletin》1987年第18期1295-1296,共2页黄婉康 郑巧荣Research Institute of Geology for Mineral Resources CNNC 倪集众 王冠鑫 
Niobium anatase, a variety of anatase, occurred in a sodium-metasomatic rock with striped texture in Bayun Obo ore field.The major minerals in the rock are aegirine, aegirine augite, riebeckite-arfvedsonite, calcite, ...
关键词：ANATASE dispersed texture rock RUTILE accessories FLUOR MINOR minerals BRITTLE 
URANOTHORITE DISCOVERED IN RARE EARTH, NIOBIUM, IRON DEPOSITS AT BAYAN OBO, INNER MONGOLIA, CHINA
《Chinese Science Bulletin》1980年第7期594-596,共3页杨敏之 李永春 
In the course of study of the constitution of the rare earth, niobium, iron ore at Bayan Obo (白云鄂博), Inner Mongolia, we discovered a mineral in sandgrain form. It is identified as uranothorite after mineral separa...
关键词：CONSTITUTION 白云鄂博 SILICATE minerals ORANGE 北一 gravity hardness aggregated granite 
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