niobium
niobium
1. Spectral Analysis of Impurity in Niobium by DV-5 Direct-Reading Spectrometer
DV-5直读光谱仪在铌中杂质光谱分析中的应用
2. Garwin and Juri Matisoo published a design for a 1,000-kilometer transmission cable made of niobium tin, which superconducts at high currents.
Garwin）和马蒂苏（JuriMatisoo）发表一项设计，以铌锡合金制成1000公里长的输送电缆，能以超导特性输送大电流。
3. Methods for chemical analysis of tantalum and niobium--Determination of sulphur content in niobium
GB/T15076.8-1994钽铌化学分析方法铌中硫量的测定
4. Simultaneous Determination of Trance Niobium and Tantalum via Kalman Filter-flow Injection Chemiluminescence
Kalman滤波-流动注射化学发光法同时测定痕量铌和钽的研究
5. Investigation of MnCoNi System NTC Thermistors Doped with Niobium Oxide
Nb_2O_5掺杂对MnCoNi系NTC热敏电阻材料的影响
6. niobium based ultrahigh temperature alloy
Nb基超高温合金
7. A black mineral is an ore of niobium and tantalum.
一种黑色矿物是铌、钽矿石。
8. a black mineral that is an ore of niobium and tantalum.
一种黑色矿物，是铌、钽矿石。
9. General Economic Situation of Global Niobium Industry
世界铌工业经济概况
10. Development of Niobium in the World
世界铌的发展动态
11. To remove dissolved oxygen in the molten metal prior to pouring, elements have been added which have high affinity for oxygen such as titanium, vanadium, niobium and magnesium.
为了在浇铸之前消除熔化金属中的溶解氧，需要在金属中添加具有很高的氧亲合力的元素，如钛，钒，铌和镁。
12. Mainly iron, manganese, copper, gold, niobium, tantalum, uranium, feldspar, quartz, mica, vermiculite, granite, red bean paste and so on.
主要有铁、锰、铜、金、铌、钽、铀、长石、石英、云母、蛭石、花岗岩、豆沙等。
13. Mine resources mainly iron, tungsten, tin, lead, zinc, tantalum, niobium, gold, coal, limestone, fluorite, granite, more than 20 kinds.
主要矿厂资源有铁、钨、锡、铅、锌、钽铌、金、煤、石灰石、萤石、花岗岩等20余种。
14. niobium ( Nb ) pentafluoride
五氟化铌
15. Keywords Nb_2O_5;ammonolysis;niobium nitride;nanocrystalline powders;
五氧化二铌;氨解;氮化铌;纳米粉体;
16. hypoeutectoid uranium niobium alloy
亚共析U-Nb合金
17. Textures in deep punching niobium sheets have been examined by the EBSD technology in the present paper.
介绍了采用电子背散射衍射测定深冲用再结晶铌板织构的结果。
18. Recovery of Tantalum and Niobium from Secondary Material
从二次原料中回收钽铌
19. It is very significant extracting niobium, tantalum from tungstenic slag. The extraction method and the computational formula of it are given out in this paper.
从钨矿渣中提取铌、钽具有重要的意义。本文给出了提取方法及相应的计算公式。
20. Kinetic Investigations on the Leaching of Niobium from a Low-Grade Niobium-Tantalum Ore by Concentrated KOH Solution
低品位铌钽矿高浓碱性介质浸出过程动力学研究
21. low carbon high niobium steel
低碳高铌钢
22. Catalytic kinetic spectrophotometry for determination of trace niobium in bone coal residue
催化动力学光度法测定石煤渣中痕量铌的研究
23. Keywords methanol;ethanol;isobutyraldehyde;niobium;phosphotungstic acid;
关键词甲醇;乙醇;异丁醛;铌;磷钨酸;
24. Keywords Niobic acid;Niobium oxide;Catalytic app lications;
关键词铌酸;氧化铌;催化应用;
25. Keywords spectrophotometry;low alloy steels;slags;niobium;
分光光度法;低合金钢;炉渣;铌;
26. Keywords spectrophotometry;niobium;nitric acid;nitrosulfophenol S;
分光光度法;铌;硝酸;硝基磺酚S;
27. Development Strategy of Tantalum- Niobium Industry in China after It's Entry in to WTO
加入WTO后我国钽铌工业的发展对策
28. EXPERIMENT RESEARCH ON SMELTING OF BAOTOU NIOBIUM ORE
包头铌铁矿冶炼实验研究
29. Keywords carbyne complexes;phosphorus ylide;Niobium;Tantalum;
卡拜化合物;膦叶立德;铌;钽;
30. Keywords Q345B;heavy plate;titanium;niobium;microally;inclusion;precipitate;
厚钢板;钛;铌;微合金化;夹杂物;析出物;
31. NIOBIUM ROD, 19MM (0.75IN) DIA, HARD, 99.8% (METALS BASIS
反)-3-氧代-2-戊基环戊烷乙酸甲酯
32. The historical development of niobium as a microalloying element in steels has been reviewed with its economic advantages.
叙述了国际上铌微合金化技术的发展历史及铌作为微合金化元素在钢中应用的经济性和技术性优势。
33. compounds containing niobium
含铌化合物
34. Kinetics of Strain Induced Precipitation of Niobium Carbonitrides in Austenite of Nb Steels
含铌高强结构钢应变诱导沉淀相析出动力学
35. THE PROGRESS IN RESEARCH OF HIGH TEMPERATURE MATERIALS CONTAINING NIOBIUM
含铌高温材料的研究进展
36. low alloy steel containing aluminium and niobium
含铝、铌低合金钢
37. The exceptionally rich resource of niobium and its stable price has made the use of Nb attractive and predictable for the flourishing development of Nb as a microalloying element in steels.
国际市场铌铁价格的长期稳定使铌微合金化技术成为钢铁工业持续稳定发展的重要伙伴,是保持含铌高强度钢技术创新和使用铌的动力。
38. Based on analysising characteristic of BT5-1 titanium alloy and C-103 niobium alloy, and peculiarity of electron beam welding(EBW), BT5-1 and C-103 was welded by EBW.
基于BT5 1钛合金与C 103铌合金性能的分析和电子束焊接的特点,实现了 BT5 1 与 C 103 的电子束焊接。
39. She was among the first to utilize lasers for magneto-optics experiments, and she was a pioneer in determining how certain semimetals, including vanadium and niobium, transport heat and electricity.
她是第一个利用雷射做磁光学（magneto-optics）实验的人。她也是研究半金属（如钒、铌）导电、导热性质的先驱者。
40. The roles of vanadium,titanium,niobium microalloying in steels were described.the development work done by An Steel and the prospects for V-Ti-Nb microalloyed steels were introduced.
对钒、钛、铌在钢中的微合金化作用作了全面阐述,并介绍了鞍钢在开发钒、钛、铌微合金钢方面所进行的工作及前景。
41. The roles of vanadium，titanium，niobium microalloying in steels were described.the development work done by An Steel and the prospects for V-Ti-Nb microalloyed steels were introduced.
对钒、钛、铌在钢中的微合金化作用作了全面阐述，并介绍了鞍钢在开发钒、钛、铌微合金钢方面所进行的工作及前景。
42. The method has been used in the determination of niobium in the alloy steel and in geological samiples with satisfactory results.
并将方法用于低合金钢、化探样、磁铁矿样品中低含量铌的测定，取得较好的效果。
43. Microlite is a mineral, principally calcium pyrotantalate, Ca2Ta2O7, usually including niobium, fluorine, and other impurities, occurring in cubic crystals.
微晶石是一种矿物质，主要是钙pyrotantalate，Ca2Ta2O7，通常包括铌，氟等杂质，是一种立方晶体。
44. My company's main mining and minerals trade, now has copper, niobium Y Mine, one of the tungsten and molybdenum mine, for domestic and foreign customers with quality service and minerals.
我公司主营矿业开发及矿产品贸易，现拥有铜矿、铌钇矿、钨钼矿各一座，可为国内外客户提供优质矿产品和服务。
45. We export Titanium, Tantalum, Niobium, Zirconium and Nickel materials and finished products, kindly contact for inquiry!
我司出口钛，钽，铌，锆，铌金属材料及其制品。
46. I also wish to know about the Reactor Grade Niobium sheet.
我并且希望知道关于反应器等级铌板料。
47. The results indicate that niobium compounds form during solidification, leading to the refinement of austenite grains.The mechanism of grain refinement has been investigated extensively.
提出:铌化物是在凝固过程中形成,具有细化奥氏体晶粒的作用,并分析研究了铌细化高锰钢奥氏体晶粒的机制。
48. They include niobium and vanadium micro-alloying technology,microalloy slab quality ...
提出了实施精品生产战略的技术措施。
49. A method has been proposed for determination of Bi,Se,Te in high-purity niobium pentoxide by HG-ICP-OES.
提出了氢化发生电感耦合等离子体发射光谱法(HG-ICP-OES)测定高纯氧化铌中铋、硒、碲的分析方法。
50. Abstract The property and catalytic application of niobium oxide in the multiphase field were briefly introduced.
摘 要 简要介绍了铌氧化物的性质及其在多相催化领域内的应用。
51. Abstract The extraction properties and mechanism of niobium thiocyanate complex with secondary amine 7203 are studied.
摘要 研究了仲胺7203(简写为7203)萃取铌硫氰酸盐络合物的性能及其机理。
52. Abstract Niobium is one of the most effective microalloying elements of steel and has been used in niobium bearing steel for the construction of large ships and sea engineering.
摘要 铌钢主要用于大型船舶和海上工程建设，所以铌钢的耐海水腐蚀性能非常重要。
53. A method for the determination of fluorine in tantalum and niobium production waste liquid by (superscript 19)F-NMR technology was developed.
摘要建立了一种核磁共振波谱测定钽、铌生产的废液中氟含量的方法。
54. The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively.
摘要我国的钽占世界储量的20%，铌占世界储量的1.5%。
55. Using the modified analytic embedded-atom method (MAEAM), the molecular dynamics (MD) simulation was performed to study the premelting and melting behavior of (001) plane of niobium and tungsten.
摘要采用改进分析型嵌入原子方法(MAEAM)，对铌、钨晶体的(001)面预熔和熔化过程进行分子动力学模拟。
56. Niobic acid and compounds containing niobium are applied in a wide range of catalysis fields for their unique acidic property and thermal stability.
摘要铌酸和含铌化合物独特酸性和热稳定性，广泛的应用催化领域中。
57. Characteristics of High Capacitance Niobium Powders Used for New Chip Capacitors
新型片式电容器用高比容铌粉的特性
58. Research on Aging Method for New-Type Niobium Chip Capacitor
新型片式铌电容器老化方法的研究
59. The metal sheet may be of stainless steel, titanium, silver, niobium, their alloy or other excellent conductor;and on the surface of the metal sheet one layer of gold or other coating may be plated.
本发明采用的金属板可以是不锈钢板、钛板、银板、铌板或者上述材料的合金板以及其它良导体，还可以在这些金属板的表面镀上一层金或其它镀层。
60. This article introduced the increment of measurement channels for the elements silicon,phosphorus,niobium and titanium by changing the entrance slit angle,based on the fixed channels of the ICP AES.
本文在ICP-AES所装置的固定通道的基础上，运用改变入射狭缝角度的办法，扩展了硅、磷、铌和钛元素的测量通道，入射狭缝角度的改变由步进马达控制。
61. The effect of amount of Niobium dopant on microstructure and semiconductingproperties of porous BaTiO3 ceramics were studied by SEM and ELS.
本文用扫描电子显微镜（SEM）和微区能港分析（ELS）研究了Nb掺杂浓度对多孔BaTiO3陶瓷显微结构及半导化性能的影响；
62. In the paper, the novel method of electro-deoxidization, namely, FFC Cambridge Process method was used to reduce solid Nb_2O_5 directly to niobium metal in a eutectic melt of CaCl_2-NaCl.
本文采用FFC Cambridge Process法，亦称熔盐电脱氧法，在CaCl_2-NaCl熔盐中，以烧结的Nb_2O_5片为阴极、石墨棒为阳极，在3.1V电压下将Nb_2O_5直接还原成金属铌。
63. Keywords potassium fluotantalate;niobium;visual colorimetric analysis;
氟钽酸钾;铌;目视比色;
64. Visual Colorimetric Analysis for Niobium Content of the Potassium Fluotantalate
氟钽酸钾中微量铌的目视比色测定
65. Investigation of Relationship of Niobium Oxides Structure and Acidity
氧化铌结构和酸性关系的研究
66. niobium oxide thin film capacitor
氧化铌薄膜电阻器
67. stannic oxide and niobium pentoxide codoped
氧化锡氧化铌共掺杂
68. Study on Improving Corrosion Resistance Abilities of Pure Iron by Ion Implantation with Niobium
注铌法改善纯铁的抗腐蚀性研究
69. Keywords Flow injection;chemiluminesence;on line separation;niobium;tantalum;
流动注射;化学发光;在线分离;铌;钽;
70. Determination of Niobium and Tantalum in Complex Samples by Flow Injection Chemiluminescence Method
流动注射化学发光法测定复杂物料中的铌和钽
71. laser surface niobium alloying
激光表面铌合金化
72. Determination of Trace Niobium in Steel by OES
火花光源发射光谱法测定钢中微量铌
73. Keywords spark source atomic emission spectrometry;niobium;worm steel;
火花源原子发射光谱;铌;三级螺纹钢;
74. Study on Separation of Niobium, Tantalum and Titanium with Zerolit FF Resin
用Zerolit FF树脂分离铌、钽、钛的研究
75. Notes on Separation of Niobium,Tantalum and Titanium with Zerolit FF Resin
用Zerolit FF树脂分离铌、钽、钛研究简介
76. THERMAL CONDUCTIVITY OF NIOBIUM USED FOR SUPERCONDUCTING RF CAVITIES
用于射频谐振腔的纯铌热导率的测量
77. Application: For niobium metal billets and powder, niobium carbide, ceramic capacitors etc.
用途：产品用于生产陶瓷电容器，碳化铌，铌粉，铌条等。
78. SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM USING ERIOCHROME BLUE BLACK B
用铬蓝黑B作铌的分光光度测定
79. electron beam surface niobium alloying
电子束表面铌合金化
80. Keywords electron back-scattered diffraction;niobium;texture;
电子背散射衍射;铌板;织构;
